diff options
Diffstat (limited to '1.4.23-rc4/channels/chan_dahdi.c')
| -rw-r--r-- | 1.4.23-rc4/channels/chan_dahdi.c | 11992 |
1 files changed, 0 insertions, 11992 deletions
diff --git a/1.4.23-rc4/channels/chan_dahdi.c b/1.4.23-rc4/channels/chan_dahdi.c deleted file mode 100644 index 81498b372..000000000 --- a/1.4.23-rc4/channels/chan_dahdi.c +++ /dev/null @@ -1,11992 +0,0 @@ -/* - * Asterisk -- An open source telephony toolkit. - * - * Copyright (C) 1999 - 2006, Digium, Inc. - * - * Mark Spencer <markster@digium.com> - * - * See http://www.asterisk.org for more information about - * the Asterisk project. Please do not directly contact - * any of the maintainers of this project for assistance; - * the project provides a web site, mailing lists and IRC - * channels for your use. - * - * This program is free software, distributed under the terms of - * the GNU General Public License Version 2. See the LICENSE file - * at the top of the source tree. - */ - -/*! \file - * - * \brief DAHDI Pseudo TDM interface - * - * \author Mark Spencer <markster@digium.com> - * - * Connects to the DAHDI telephony library as well as - * libpri. Libpri is optional and needed only if you are - * going to use ISDN connections. - * - * You need to install libraries before you attempt to compile - * and install the DAHDI channel. - * - * \par See also - * \arg \ref Config_dahdi - * - * \ingroup channel_drivers - * - * \todo Deprecate the "musiconhold" configuration option post 1.4 - */ - -/*** MODULEINFO - <depend>res_smdi</depend> - <depend>dahdi</depend> - <depend>tonezone</depend> - <depend>res_features</depend> - <use>pri</use> - ***/ - -#include "asterisk.h" - -ASTERISK_FILE_VERSION(__FILE__, "$Revision$") - -#include <stdio.h> -#include <string.h> -#ifdef __NetBSD__ -#include <pthread.h> -#include <signal.h> -#else -#include <sys/signal.h> -#endif -#include <errno.h> -#include <stdlib.h> -#if !defined(SOLARIS) && !defined(__FreeBSD__) -#include <stdint.h> -#endif -#include <unistd.h> -#include <sys/ioctl.h> -#include <math.h> -#include <ctype.h> - -#ifdef HAVE_PRI -#include <libpri.h> -#endif - -#include "asterisk/lock.h" -#include "asterisk/channel.h" -#include "asterisk/config.h" -#include "asterisk/logger.h" -#include "asterisk/module.h" -#include "asterisk/pbx.h" -#include "asterisk/options.h" -#include "asterisk/file.h" -#include "asterisk/ulaw.h" -#include "asterisk/alaw.h" -#include "asterisk/callerid.h" -#include "asterisk/adsi.h" -#include "asterisk/cli.h" -#include "asterisk/cdr.h" -#include "asterisk/features.h" -#include "asterisk/musiconhold.h" -#include "asterisk/say.h" -#include "asterisk/tdd.h" -#include "asterisk/app.h" -#include "asterisk/dsp.h" -#include "asterisk/astdb.h" -#include "asterisk/manager.h" -#include "asterisk/causes.h" -#include "asterisk/term.h" -#include "asterisk/utils.h" -#include "asterisk/transcap.h" -#include "asterisk/stringfields.h" -#include "asterisk/abstract_jb.h" -#include "asterisk/smdi.h" -#include "asterisk/astobj.h" -#define SMDI_MD_WAIT_TIMEOUT 1500 /* 1.5 seconds */ - -#include "asterisk/dahdi_compat.h" -#include "asterisk/tonezone_compat.h" - -/*! Global jitterbuffer configuration - by default, jb is disabled */ -static struct ast_jb_conf default_jbconf = -{ - .flags = 0, - .max_size = -1, - .resync_threshold = -1, - .impl = "" -}; -static struct ast_jb_conf global_jbconf; - -#ifndef DAHDI_TONEDETECT -/* Work around older code with no tone detect */ -#define DAHDI_EVENT_DTMFDOWN 0 -#define DAHDI_EVENT_DTMFUP 0 -#endif - -/* define this to send PRI user-user information elements */ -#undef SUPPORT_USERUSER - -/*! - * \note Define ZHONE_HACK to cause us to go off hook and then back on hook when - * the user hangs up to reset the state machine so ring works properly. - * This is used to be able to support kewlstart by putting the zhone in - * groundstart mode since their forward disconnect supervision is entirely - * broken even though their documentation says it isn't and their support - * is entirely unwilling to provide any assistance with their channel banks - * even though their web site says they support their products for life. - */ -/* #define ZHONE_HACK */ - -/*! \note - * Define if you want to check the hook state for an FXO (FXS signalled) interface - * before dialing on it. Certain FXO interfaces always think they're out of - * service with this method however. - */ -/* #define DAHDI_CHECK_HOOKSTATE */ - -/*! \brief Typically, how many rings before we should send Caller*ID */ -#define DEFAULT_CIDRINGS 1 - -#define CHANNEL_PSEUDO -12 - -#define AST_LAW(p) (((p)->law == DAHDI_LAW_ALAW) ? AST_FORMAT_ALAW : AST_FORMAT_ULAW) - -/*! \brief Signaling types that need to use MF detection should be placed in this macro */ -#define NEED_MFDETECT(p) (((p)->sig == SIG_FEATDMF) || ((p)->sig == SIG_FEATDMF_TA) || ((p)->sig == SIG_E911) || ((p)->sig == SIG_FGC_CAMA) || ((p)->sig == SIG_FGC_CAMAMF) || ((p)->sig == SIG_FEATB)) - -static const char tdesc[] = "DAHDI Telephony Driver" -#ifdef HAVE_PRI - " w/PRI" -#endif -; - -#define SIG_EM DAHDI_SIG_EM -#define SIG_EMWINK (0x0100000 | DAHDI_SIG_EM) -#define SIG_FEATD (0x0200000 | DAHDI_SIG_EM) -#define SIG_FEATDMF (0x0400000 | DAHDI_SIG_EM) -#define SIG_FEATB (0x0800000 | DAHDI_SIG_EM) -#define SIG_E911 (0x1000000 | DAHDI_SIG_EM) -#define SIG_FEATDMF_TA (0x2000000 | DAHDI_SIG_EM) -#define SIG_FGC_CAMA (0x4000000 | DAHDI_SIG_EM) -#define SIG_FGC_CAMAMF (0x8000000 | DAHDI_SIG_EM) -#define SIG_FXSLS DAHDI_SIG_FXSLS -#define SIG_FXSGS DAHDI_SIG_FXSGS -#define SIG_FXSKS DAHDI_SIG_FXSKS -#define SIG_FXOLS DAHDI_SIG_FXOLS -#define SIG_FXOGS DAHDI_SIG_FXOGS -#define SIG_FXOKS DAHDI_SIG_FXOKS -#define SIG_PRI DAHDI_SIG_CLEAR -#define SIG_SF DAHDI_SIG_SF -#define SIG_SFWINK (0x0100000 | DAHDI_SIG_SF) -#define SIG_SF_FEATD (0x0200000 | DAHDI_SIG_SF) -#define SIG_SF_FEATDMF (0x0400000 | DAHDI_SIG_SF) -#define SIG_SF_FEATB (0x0800000 | DAHDI_SIG_SF) -#define SIG_EM_E1 DAHDI_SIG_EM_E1 -#define SIG_GR303FXOKS (0x0100000 | DAHDI_SIG_FXOKS) -#define SIG_GR303FXSKS (0x0100000 | DAHDI_SIG_FXSKS) - -#define NUM_SPANS 32 -#define NUM_DCHANS 4 /*!< No more than 4 d-channels */ -#define MAX_CHANNELS 672 /*!< No more than a DS3 per trunk group */ - -#define CHAN_PSEUDO -2 - -#define DCHAN_PROVISIONED (1 << 0) -#define DCHAN_NOTINALARM (1 << 1) -#define DCHAN_UP (1 << 2) - -#define DCHAN_AVAILABLE (DCHAN_PROVISIONED | DCHAN_NOTINALARM | DCHAN_UP) - -static char defaultcic[64] = ""; -static char defaultozz[64] = ""; - -static char progzone[10] = ""; - -static int distinctiveringaftercid = 0; - -static int numbufs = 4; - -#ifdef HAVE_PRI -static struct ast_channel inuse; -#ifdef PRI_GETSET_TIMERS -static int pritimers[PRI_MAX_TIMERS]; -#endif -static int pridebugfd = -1; -static char pridebugfilename[1024] = ""; -#endif - -/*! \brief Wait up to 16 seconds for first digit (FXO logic) */ -static int firstdigittimeout = 16000; - -/*! \brief How long to wait for following digits (FXO logic) */ -static int gendigittimeout = 8000; - -/*! \brief How long to wait for an extra digit, if there is an ambiguous match */ -static int matchdigittimeout = 3000; - -/*! \brief Protect the interface list (of dahdi_pvt's) */ -AST_MUTEX_DEFINE_STATIC(iflock); - - -static int ifcount = 0; - -#ifdef HAVE_PRI -AST_MUTEX_DEFINE_STATIC(pridebugfdlock); -#endif - -/*! \brief Protect the monitoring thread, so only one process can kill or start it, and not - when it's doing something critical. */ -AST_MUTEX_DEFINE_STATIC(monlock); - -/*! \brief This is the thread for the monitor which checks for input on the channels - which are not currently in use. */ -static pthread_t monitor_thread = AST_PTHREADT_NULL; -static ast_cond_t ss_thread_complete; -AST_MUTEX_DEFINE_STATIC(ss_thread_lock); -AST_MUTEX_DEFINE_STATIC(restart_lock); -static int ss_thread_count = 0; -static int num_restart_pending = 0; - -static int restart_monitor(void); - -static enum ast_bridge_result dahdi_bridge(struct ast_channel *c0, struct ast_channel *c1, int flags, struct ast_frame **fo, struct ast_channel **rc, int timeoutms); - -static int dahdi_sendtext(struct ast_channel *c, const char *text); - -/*! \brief Avoid the silly dahdi_getevent which ignores a bunch of events */ -static inline int dahdi_get_event(int fd) -{ - int j; - if (ioctl(fd, DAHDI_GETEVENT, &j) == -1) - return -1; - return j; -} - -/*! \brief Avoid the silly dahdi_waitevent which ignores a bunch of events */ -static inline int dahdi_wait_event(int fd) -{ - int i, j = 0; - i = DAHDI_IOMUX_SIGEVENT; - if (ioctl(fd, DAHDI_IOMUX, &i) == -1) - return -1; - if (ioctl(fd, DAHDI_GETEVENT, &j) == -1) - return -1; - return j; -} - -/*! Chunk size to read -- we use 20ms chunks to make things happy. */ -#define READ_SIZE 160 - -#define MASK_AVAIL (1 << 0) /*!< Channel available for PRI use */ -#define MASK_INUSE (1 << 1) /*!< Channel currently in use */ - -#define CALLWAITING_SILENT_SAMPLES ( (300 * 8) / READ_SIZE) /*!< 300 ms */ -#define CALLWAITING_REPEAT_SAMPLES ( (10000 * 8) / READ_SIZE) /*!< 10,000 ms */ -#define CIDCW_EXPIRE_SAMPLES ( (500 * 8) / READ_SIZE) /*!< 500 ms */ -#define MIN_MS_SINCE_FLASH ( (2000) ) /*!< 2000 ms */ -#define DEFAULT_RINGT ( (8000 * 8) / READ_SIZE) /*!< 8,000 ms */ - -struct dahdi_pvt; - -static int ringt_base = DEFAULT_RINGT; - -#ifdef HAVE_PRI - -#define PVT_TO_CHANNEL(p) (((p)->prioffset) | ((p)->logicalspan << 8) | (p->pri->mastertrunkgroup ? 0x10000 : 0)) -#define PRI_CHANNEL(p) ((p) & 0xff) -#define PRI_SPAN(p) (((p) >> 8) & 0xff) -#define PRI_EXPLICIT(p) (((p) >> 16) & 0x01) - -struct dahdi_pri { - pthread_t master; /*!< Thread of master */ - ast_mutex_t lock; /*!< Mutex */ - char idleext[AST_MAX_EXTENSION]; /*!< Where to idle extra calls */ - char idlecontext[AST_MAX_CONTEXT]; /*!< What context to use for idle */ - char idledial[AST_MAX_EXTENSION]; /*!< What to dial before dumping */ - int minunused; /*!< Min # of channels to keep empty */ - int minidle; /*!< Min # of "idling" calls to keep active */ - int nodetype; /*!< Node type */ - int switchtype; /*!< Type of switch to emulate */ - int nsf; /*!< Network-Specific Facilities */ - int dialplan; /*!< Dialing plan */ - int localdialplan; /*!< Local dialing plan */ - char internationalprefix[10]; /*!< country access code ('00' for european dialplans) */ - char nationalprefix[10]; /*!< area access code ('0' for european dialplans) */ - char localprefix[20]; /*!< area access code + area code ('0'+area code for european dialplans) */ - char privateprefix[20]; /*!< for private dialplans */ - char unknownprefix[20]; /*!< for unknown dialplans */ - int dchannels[NUM_DCHANS]; /*!< What channel are the dchannels on */ - int trunkgroup; /*!< What our trunkgroup is */ - int mastertrunkgroup; /*!< What trunk group is our master */ - int prilogicalspan; /*!< Logical span number within trunk group */ - int numchans; /*!< Num of channels we represent */ - int overlapdial; /*!< In overlap dialing mode */ - int facilityenable; /*!< Enable facility IEs */ - struct pri *dchans[NUM_DCHANS]; /*!< Actual d-channels */ - int dchanavail[NUM_DCHANS]; /*!< Whether each channel is available */ - struct pri *pri; /*!< Currently active D-channel */ - int debug; - int fds[NUM_DCHANS]; /*!< FD's for d-channels */ - int offset; - int span; - int resetting; - int resetpos; -#ifdef HAVE_PRI_INBANDDISCONNECT - unsigned int inbanddisconnect:1; /*!< Should we support inband audio after receiving DISCONNECT? */ -#endif - time_t lastreset; /*!< time when unused channels were last reset */ - long resetinterval; /*!< Interval (in seconds) for resetting unused channels */ - struct dahdi_pvt *pvts[MAX_CHANNELS]; /*!< Member channel pvt structs */ - struct dahdi_pvt *crvs; /*!< Member CRV structs */ - struct dahdi_pvt *crvend; /*!< Pointer to end of CRV structs */ -}; - - -static struct dahdi_pri pris[NUM_SPANS]; - -#if 0 -#define DEFAULT_PRI_DEBUG (PRI_DEBUG_Q931_DUMP | PRI_DEBUG_Q921_DUMP | PRI_DEBUG_Q921_RAW | PRI_DEBUG_Q921_STATE) -#else -#define DEFAULT_PRI_DEBUG 0 -#endif - -static inline void pri_rel(struct dahdi_pri *pri) -{ - ast_mutex_unlock(&pri->lock); -} - -#else -/*! Shut up the compiler */ -struct dahdi_pri; -#endif - -#define SUB_REAL 0 /*!< Active call */ -#define SUB_CALLWAIT 1 /*!< Call-Waiting call on hold */ -#define SUB_THREEWAY 2 /*!< Three-way call */ - -/* Polarity states */ -#define POLARITY_IDLE 0 -#define POLARITY_REV 1 - - -static struct dahdi_distRings drings; - -struct distRingData { - int ring[3]; -}; -struct ringContextData { - char contextData[AST_MAX_CONTEXT]; -}; -struct dahdi_distRings { - struct distRingData ringnum[3]; - struct ringContextData ringContext[3]; -}; - -static char *subnames[] = { - "Real", - "Callwait", - "Threeway" -}; - -struct dahdi_subchannel { - int dfd; - struct ast_channel *owner; - int chan; - short buffer[AST_FRIENDLY_OFFSET/2 + READ_SIZE]; - struct ast_frame f; /*!< One frame for each channel. How did this ever work before? */ - unsigned int needringing:1; - unsigned int needbusy:1; - unsigned int needcongestion:1; - unsigned int needcallerid:1; - unsigned int needanswer:1; - unsigned int needflash:1; - unsigned int needhold:1; - unsigned int needunhold:1; - unsigned int linear:1; - unsigned int inthreeway:1; - struct dahdi_confinfo curconf; -}; - -#define CONF_USER_REAL (1 << 0) -#define CONF_USER_THIRDCALL (1 << 1) - -#define MAX_SLAVES 4 - -static struct dahdi_pvt { - ast_mutex_t lock; - struct ast_channel *owner; /*!< Our current active owner (if applicable) */ - /*!< Up to three channels can be associated with this call */ - - struct dahdi_subchannel sub_unused; /*!< Just a safety precaution */ - struct dahdi_subchannel subs[3]; /*!< Sub-channels */ - struct dahdi_confinfo saveconf; /*!< Saved conference info */ - - struct dahdi_pvt *slaves[MAX_SLAVES]; /*!< Slave to us (follows our conferencing) */ - struct dahdi_pvt *master; /*!< Master to us (we follow their conferencing) */ - int inconference; /*!< If our real should be in the conference */ - - int buf_no; /*!< Number of buffers */ - int buf_policy; /*!< Buffer policy */ - int sig; /*!< Signalling style */ - int radio; /*!< radio type */ - int outsigmod; /*!< Outbound Signalling style (modifier) */ - int oprmode; /*!< "Operator Services" mode */ - struct dahdi_pvt *oprpeer; /*!< "Operator Services" peer tech_pvt ptr */ - float rxgain; - float txgain; - int tonezone; /*!< tone zone for this chan, or -1 for default */ - struct dahdi_pvt *next; /*!< Next channel in list */ - struct dahdi_pvt *prev; /*!< Prev channel in list */ - - /* flags */ - unsigned int adsi:1; - unsigned int answeronpolarityswitch:1; - unsigned int busydetect:1; - unsigned int callreturn:1; - unsigned int callwaiting:1; - unsigned int callwaitingcallerid:1; - unsigned int cancallforward:1; - unsigned int canpark:1; - unsigned int confirmanswer:1; /*!< Wait for '#' to confirm answer */ - unsigned int destroy:1; - unsigned int didtdd:1; /*!< flag to say its done it once */ - unsigned int dialednone:1; - unsigned int dialing:1; - unsigned int digital:1; - unsigned int dnd:1; - unsigned int echobreak:1; - unsigned int echocanbridged:1; - unsigned int echocanon:1; - unsigned int faxhandled:1; /*!< Has a fax tone already been handled? */ - unsigned int firstradio:1; - unsigned int hanguponpolarityswitch:1; - unsigned int hardwaredtmf:1; - unsigned int hidecallerid:1; - unsigned int hidecalleridname:1; /*!< Hide just the name not the number for legacy PBX use */ - unsigned int ignoredtmf:1; - unsigned int immediate:1; /*!< Answer before getting digits? */ - unsigned int inalarm:1; - unsigned int unknown_alarm:1; - unsigned int mate:1; /*!< flag to say its in MATE mode */ - unsigned int outgoing:1; - unsigned int overlapdial:1; - unsigned int permcallwaiting:1; - unsigned int permhidecallerid:1; /*!< Whether to hide our outgoing caller ID or not */ - unsigned int priindication_oob:1; - unsigned int priexclusive:1; - unsigned int pulse:1; - unsigned int pulsedial:1; /*!< whether a pulse dial phone is detected */ - unsigned int restartpending:1; /*!< flag to ensure counted only once for restart */ - unsigned int restrictcid:1; /*!< Whether restrict the callerid -> only send ANI */ - unsigned int threewaycalling:1; - unsigned int transfer:1; - unsigned int use_callerid:1; /*!< Whether or not to use caller id on this channel */ - unsigned int use_callingpres:1; /*!< Whether to use the callingpres the calling switch sends */ - unsigned int usedistinctiveringdetection:1; - unsigned int dahditrcallerid:1; /*!< should we use the callerid from incoming call on dahdi transfer or not */ - unsigned int transfertobusy:1; /*!< allow flash-transfers to busy channels */ -#if defined(HAVE_PRI) - unsigned int alerting:1; - unsigned int alreadyhungup:1; - unsigned int isidlecall:1; - unsigned int proceeding:1; - unsigned int progress:1; - unsigned int resetting:1; - unsigned int setup_ack:1; -#endif - unsigned int use_smdi:1; /* Whether to use SMDI on this channel */ - struct ast_smdi_interface *smdi_iface; /* The serial port to listen for SMDI data on */ - - struct dahdi_distRings drings; - - char context[AST_MAX_CONTEXT]; - char defcontext[AST_MAX_CONTEXT]; - char exten[AST_MAX_EXTENSION]; - char language[MAX_LANGUAGE]; - char mohinterpret[MAX_MUSICCLASS]; - char mohsuggest[MAX_MUSICCLASS]; -#ifdef PRI_ANI - char cid_ani[AST_MAX_EXTENSION]; -#endif - char cid_num[AST_MAX_EXTENSION]; - int cid_ton; /*!< Type Of Number (TON) */ - char cid_name[AST_MAX_EXTENSION]; - char lastcid_num[AST_MAX_EXTENSION]; - char lastcid_name[AST_MAX_EXTENSION]; - char *origcid_num; /*!< malloced original callerid */ - char *origcid_name; /*!< malloced original callerid */ - char callwait_num[AST_MAX_EXTENSION]; - char callwait_name[AST_MAX_EXTENSION]; - char rdnis[AST_MAX_EXTENSION]; - char dnid[AST_MAX_EXTENSION]; - ast_group_t group; - int law; - int confno; /*!< Our conference */ - int confusers; /*!< Who is using our conference */ - int propconfno; /*!< Propagated conference number */ - ast_group_t callgroup; - ast_group_t pickupgroup; - int channel; /*!< Channel Number or CRV */ - int span; /*!< Span number */ - time_t guardtime; /*!< Must wait this much time before using for new call */ - int cid_signalling; /*!< CID signalling type bell202 or v23 */ - int cid_start; /*!< CID start indicator, polarity or ring */ - int callingpres; /*!< The value of callling presentation that we're going to use when placing a PRI call */ - int callwaitingrepeat; /*!< How many samples to wait before repeating call waiting */ - int cidcwexpire; /*!< When to expire our muting for CID/CW */ - unsigned char *cidspill; - int cidpos; - int cidlen; - int ringt; - int ringt_base; - int stripmsd; - int callwaitcas; - int callwaitrings; - int echocancel; - int echotraining; - char echorest[20]; - int busycount; - int busy_tonelength; - int busy_quietlength; - int callprogress; - struct timeval flashtime; /*!< Last flash-hook time */ - struct ast_dsp *dsp; - int cref; /*!< Call reference number */ - struct dahdi_dialoperation dop; - int whichwink; /*!< SIG_FEATDMF_TA Which wink are we on? */ - char finaldial[64]; - char accountcode[AST_MAX_ACCOUNT_CODE]; /*!< Account code */ - int amaflags; /*!< AMA Flags */ - struct tdd_state *tdd; /*!< TDD flag */ - char call_forward[AST_MAX_EXTENSION]; - char mailbox[AST_MAX_EXTENSION]; - char dialdest[256]; - int onhooktime; - int msgstate; - int distinctivering; /*!< Which distinctivering to use */ - int cidrings; /*!< Which ring to deliver CID on */ - int dtmfrelax; /*!< whether to run in relaxed DTMF mode */ - int fake_event; - int polarityonanswerdelay; - struct timeval polaritydelaytv; - int sendcalleridafter; -#ifdef HAVE_PRI - struct dahdi_pri *pri; - struct dahdi_pvt *bearer; - struct dahdi_pvt *realcall; - q931_call *call; - int prioffset; - int logicalspan; -#endif - int polarity; - int dsp_features; - char begindigit; -} *iflist = NULL, *ifend = NULL; - -/*! \brief Channel configuration from chan_dahdi.conf . - * This struct is used for parsing the [channels] section of chan_dahdi.conf. - * Generally there is a field here for every possible configuration item. - * - * The state of fields is saved along the parsing and whenever a 'channel' - * statement is reached, the current dahdi_chan_conf is used to configure the - * channel (struct dahdi_pvt) - * - * @seealso dahdi_chan_init for the default values. - */ -struct dahdi_chan_conf { - struct dahdi_pvt chan; -#ifdef HAVE_PRI - struct dahdi_pri pri; -#endif - struct dahdi_params timing; - - char smdi_port[SMDI_MAX_FILENAME_LEN]; -}; - -/** returns a new dahdi_chan_conf with default values (by-value) */ -static struct dahdi_chan_conf dahdi_chan_conf_default(void) { - /* recall that if a field is not included here it is initialized - * to 0 or equivalent - */ - struct dahdi_chan_conf conf = { -#ifdef HAVE_PRI - .pri = { - .nsf = PRI_NSF_NONE, - .switchtype = PRI_SWITCH_NI2, - .dialplan = PRI_NATIONAL_ISDN + 1, - .localdialplan = PRI_NATIONAL_ISDN + 1, - .nodetype = PRI_CPE, - - .minunused = 2, - .idleext = "", - .idledial = "", - .internationalprefix = "", - .nationalprefix = "", - .localprefix = "", - .privateprefix = "", - .unknownprefix = "", - - .resetinterval = 3600 - }, -#endif - .chan = { - .context = "default", - .cid_num = "", - .cid_name = "", - .mohinterpret = "default", - .mohsuggest = "", - .transfertobusy = 1, - - .cid_signalling = CID_SIG_BELL, - .cid_start = CID_START_RING, - .dahditrcallerid = 0, - .use_callerid = 1, - .sig = -1, - .outsigmod = -1, - - .tonezone = -1, - - .echocancel = 1, - - .busycount = 3, - - .accountcode = "", - - .mailbox = "", - - - .polarityonanswerdelay = 600, - - .sendcalleridafter = DEFAULT_CIDRINGS, - - .buf_policy = DAHDI_POLICY_IMMEDIATE, - .buf_no = numbufs - }, - .timing = { - .prewinktime = -1, - .preflashtime = -1, - .winktime = -1, - .flashtime = -1, - .starttime = -1, - .rxwinktime = -1, - .rxflashtime = -1, - .debouncetime = -1 - }, - .smdi_port = "/dev/ttyS0", - }; - - return conf; -} - - -static struct ast_channel *dahdi_request(const char *type, int format, void *data, int *cause); -static int dahdi_digit_begin(struct ast_channel *ast, char digit); -static int dahdi_digit_end(struct ast_channel *ast, char digit, unsigned int duration); -static int dahdi_sendtext(struct ast_channel *c, const char *text); -static int dahdi_call(struct ast_channel *ast, char *rdest, int timeout); -static int dahdi_hangup(struct ast_channel *ast); -static int dahdi_answer(struct ast_channel *ast); -static struct ast_frame *dahdi_read(struct ast_channel *ast); -static int dahdi_write(struct ast_channel *ast, struct ast_frame *frame); -static struct ast_frame *dahdi_exception(struct ast_channel *ast); -static int dahdi_indicate(struct ast_channel *chan, int condition, const void *data, size_t datalen); -static int dahdi_fixup(struct ast_channel *oldchan, struct ast_channel *newchan); -static int dahdi_setoption(struct ast_channel *chan, int option, void *data, int datalen); -static int dahdi_func_read(struct ast_channel *chan, char *function, char *data, char *buf, size_t len); - -static const struct ast_channel_tech dahdi_tech = { - .type = "DAHDI", - .description = tdesc, - .capabilities = AST_FORMAT_SLINEAR | AST_FORMAT_ULAW | AST_FORMAT_ALAW, - .requester = dahdi_request, - .send_digit_begin = dahdi_digit_begin, - .send_digit_end = dahdi_digit_end, - .send_text = dahdi_sendtext, - .call = dahdi_call, - .hangup = dahdi_hangup, - .answer = dahdi_answer, - .read = dahdi_read, - .write = dahdi_write, - .bridge = dahdi_bridge, - .exception = dahdi_exception, - .indicate = dahdi_indicate, - .fixup = dahdi_fixup, - .setoption = dahdi_setoption, - .func_channel_read = dahdi_func_read, -}; - -static const struct ast_channel_tech zap_tech = { - .type = "Zap", - .description = tdesc, - .capabilities = AST_FORMAT_SLINEAR | AST_FORMAT_ULAW | AST_FORMAT_ALAW, - .requester = dahdi_request, - .send_digit_begin = dahdi_digit_begin, - .send_digit_end = dahdi_digit_end, - .send_text = dahdi_sendtext, - .call = dahdi_call, - .hangup = dahdi_hangup, - .answer = dahdi_answer, - .read = dahdi_read, - .write = dahdi_write, - .bridge = dahdi_bridge, - .exception = dahdi_exception, - .indicate = dahdi_indicate, - .fixup = dahdi_fixup, - .setoption = dahdi_setoption, - .func_channel_read = dahdi_func_read, -}; - -static const struct ast_channel_tech *chan_tech; - -#ifdef HAVE_PRI -#define GET_CHANNEL(p) ((p)->bearer ? (p)->bearer->channel : p->channel) -#else -#define GET_CHANNEL(p) ((p)->channel) -#endif - -struct dahdi_pvt *round_robin[32]; - -#ifdef HAVE_PRI -static inline int pri_grab(struct dahdi_pvt *pvt, struct dahdi_pri *pri) -{ - int res; - /* Grab the lock first */ - do { - res = ast_mutex_trylock(&pri->lock); - if (res) { - DEADLOCK_AVOIDANCE(&pvt->lock); - } - } while (res); - /* Then break the poll */ - if (pri->master != AST_PTHREADT_NULL) - pthread_kill(pri->master, SIGURG); - return 0; -} -#endif - -#define NUM_CADENCE_MAX 25 -static int num_cadence = 4; -static int user_has_defined_cadences = 0; - -static struct dahdi_ring_cadence cadences[NUM_CADENCE_MAX] = { - { { 125, 125, 2000, 4000 } }, /*!< Quick chirp followed by normal ring */ - { { 250, 250, 500, 1000, 250, 250, 500, 4000 } }, /*!< British style ring */ - { { 125, 125, 125, 125, 125, 4000 } }, /*!< Three short bursts */ - { { 1000, 500, 2500, 5000 } }, /*!< Long ring */ -}; - -/*! \brief cidrings says in which pause to transmit the cid information, where the first pause - * is 1, the second pause is 2 and so on. - */ - -static int cidrings[NUM_CADENCE_MAX] = { - 2, /*!< Right after first long ring */ - 4, /*!< Right after long part */ - 3, /*!< After third chirp */ - 2, /*!< Second spell */ -}; - -#define ISTRUNK(p) ((p->sig == SIG_FXSLS) || (p->sig == SIG_FXSKS) || \ - (p->sig == SIG_FXSGS) || (p->sig == SIG_PRI)) - -#define CANBUSYDETECT(p) (ISTRUNK(p) || (p->sig & (SIG_EM | SIG_EM_E1 | SIG_SF)) /* || (p->sig & __DAHDI_SIG_FXO) */) -#define CANPROGRESSDETECT(p) (ISTRUNK(p) || (p->sig & (SIG_EM | SIG_EM_E1 | SIG_SF)) /* || (p->sig & __DAHDI_SIG_FXO) */) - -static int dahdi_get_index(struct ast_channel *ast, struct dahdi_pvt *p, int nullok) -{ - int res; - if (p->subs[SUB_REAL].owner == ast) - res = 0; - else if (p->subs[SUB_CALLWAIT].owner == ast) - res = 1; - else if (p->subs[SUB_THREEWAY].owner == ast) - res = 2; - else { - res = -1; - if (!nullok) - ast_log(LOG_WARNING, "Unable to get index, and nullok is not asserted\n"); - } - return res; -} - -#ifdef HAVE_PRI -static void wakeup_sub(struct dahdi_pvt *p, int a, struct dahdi_pri *pri) -#else -static void wakeup_sub(struct dahdi_pvt *p, int a, void *pri) -#endif -{ -#ifdef HAVE_PRI - if (pri) - ast_mutex_unlock(&pri->lock); -#endif - for (;;) { - if (p->subs[a].owner) { - if (ast_mutex_trylock(&p->subs[a].owner->lock)) { - DEADLOCK_AVOIDANCE(&p->lock); - } else { - ast_queue_frame(p->subs[a].owner, &ast_null_frame); - ast_mutex_unlock(&p->subs[a].owner->lock); - break; - } - } else - break; - } -#ifdef HAVE_PRI - if (pri) - ast_mutex_lock(&pri->lock); -#endif -} - -#ifdef HAVE_PRI -static void dahdi_queue_frame(struct dahdi_pvt *p, struct ast_frame *f, struct dahdi_pri *pri) -#else -static void dahdi_queue_frame(struct dahdi_pvt *p, struct ast_frame *f, void *pri) -#endif -{ - /* We must unlock the PRI to avoid the possibility of a deadlock */ -#ifdef HAVE_PRI - if (pri) - ast_mutex_unlock(&pri->lock); -#endif - for (;;) { - if (p->owner) { - if (ast_mutex_trylock(&p->owner->lock)) { - DEADLOCK_AVOIDANCE(&p->lock); - } else { - ast_queue_frame(p->owner, f); - ast_mutex_unlock(&p->owner->lock); - break; - } - } else - break; - } -#ifdef HAVE_PRI - if (pri) - ast_mutex_lock(&pri->lock); -#endif -} - -static int restore_gains(struct dahdi_pvt *p); - -static void swap_subs(struct dahdi_pvt *p, int a, int b) -{ - int tchan; - int tinthreeway; - struct ast_channel *towner; - - ast_log(LOG_DEBUG, "Swapping %d and %d\n", a, b); - - tchan = p->subs[a].chan; - towner = p->subs[a].owner; - tinthreeway = p->subs[a].inthreeway; - - p->subs[a].chan = p->subs[b].chan; - p->subs[a].owner = p->subs[b].owner; - p->subs[a].inthreeway = p->subs[b].inthreeway; - - p->subs[b].chan = tchan; - p->subs[b].owner = towner; - p->subs[b].inthreeway = tinthreeway; - - if (p->subs[a].owner) - p->subs[a].owner->fds[0] = p->subs[a].dfd; - if (p->subs[b].owner) - p->subs[b].owner->fds[0] = p->subs[b].dfd; - wakeup_sub(p, a, NULL); - wakeup_sub(p, b, NULL); -} - -static int dahdi_open(char *fn) -{ - int fd; - int isnum; - int chan = 0; - int bs; - int x; - isnum = 1; - for (x = 0; x < strlen(fn); x++) { - if (!isdigit(fn[x])) { - isnum = 0; - break; - } - } - if (isnum) { - chan = atoi(fn); - if (chan < 1) { - ast_log(LOG_WARNING, "Invalid channel number '%s'\n", fn); - return -1; - } - fn = DAHDI_FILE_CHANNEL; - } - fd = open(fn, O_RDWR | O_NONBLOCK); - if (fd < 0) { - ast_log(LOG_WARNING, "Unable to open '%s': %s\n", fn, strerror(errno)); - return -1; - } - if (chan) { - if (ioctl(fd, DAHDI_SPECIFY, &chan)) { - x = errno; - close(fd); - errno = x; - ast_log(LOG_WARNING, "Unable to specify channel %d: %s\n", chan, strerror(errno)); - return -1; - } - } - bs = READ_SIZE; - if (ioctl(fd, DAHDI_SET_BLOCKSIZE, &bs) == -1) { - ast_log(LOG_WARNING, "Unable to set blocksize '%d': %s\n", bs, strerror(errno)); - x = errno; - close(fd); - errno = x; - return -1; - } - return fd; -} - -static void dahdi_close(int fd) -{ - if (fd > 0) - close(fd); -} - -static void dahdi_close_sub(struct dahdi_pvt *chan_pvt, int sub_num) -{ - dahdi_close(chan_pvt->subs[sub_num].dfd); - chan_pvt->subs[sub_num].dfd = -1; -} - -#ifdef HAVE_PRI -static void dahdi_close_pri_fd(struct dahdi_pri *pri, int fd_num) -{ - dahdi_close(pri->fds[fd_num]); - pri->fds[fd_num] = -1; -} -#endif - -static int dahdi_setlinear(int dfd, int linear) -{ - int res; - res = ioctl(dfd, DAHDI_SETLINEAR, &linear); - if (res) - return res; - return 0; -} - - -static int alloc_sub(struct dahdi_pvt *p, int x) -{ - struct dahdi_bufferinfo bi; - int res; - if (p->subs[x].dfd < 0) { - p->subs[x].dfd = dahdi_open(DAHDI_FILE_PSEUDO); - if (p->subs[x].dfd > -1) { - res = ioctl(p->subs[x].dfd, DAHDI_GET_BUFINFO, &bi); - if (!res) { - bi.txbufpolicy = p->buf_policy; - bi.rxbufpolicy = p->buf_policy; - bi.numbufs = p->buf_no; - res = ioctl(p->subs[x].dfd, DAHDI_SET_BUFINFO, &bi); - if (res < 0) { - ast_log(LOG_WARNING, "Unable to set buffer policy on channel %d: %s\n", x, strerror(errno)); - } - } else - ast_log(LOG_WARNING, "Unable to check buffer policy on channel %d: %s\n", x, strerror(errno)); - if (ioctl(p->subs[x].dfd, DAHDI_CHANNO, &p->subs[x].chan) == 1) { - ast_log(LOG_WARNING, "Unable to get channel number for pseudo channel on FD %d: %s\n", p->subs[x].dfd, strerror(errno)); - dahdi_close_sub(p, x); - return -1; - } - if (option_debug) - ast_log(LOG_DEBUG, "Allocated %s subchannel on FD %d channel %d\n", subnames[x], p->subs[x].dfd, p->subs[x].chan); - return 0; - } else - ast_log(LOG_WARNING, "Unable to open pseudo channel: %s\n", strerror(errno)); - return -1; - } - ast_log(LOG_WARNING, "%s subchannel of %d already in use\n", subnames[x], p->channel); - return -1; -} - -static int unalloc_sub(struct dahdi_pvt *p, int x) -{ - if (!x) { - ast_log(LOG_WARNING, "Trying to unalloc the real channel %d?!?\n", p->channel); - return -1; - } - ast_log(LOG_DEBUG, "Released sub %d of channel %d\n", x, p->channel); - dahdi_close_sub(p, x); - p->subs[x].linear = 0; - p->subs[x].chan = 0; - p->subs[x].owner = NULL; - p->subs[x].inthreeway = 0; - p->polarity = POLARITY_IDLE; - memset(&p->subs[x].curconf, 0, sizeof(p->subs[x].curconf)); - return 0; -} - -static int digit_to_dtmfindex(char digit) -{ - if (isdigit(digit)) - return DAHDI_TONE_DTMF_BASE + (digit - '0'); - else if (digit >= 'A' && digit <= 'D') - return DAHDI_TONE_DTMF_A + (digit - 'A'); - else if (digit >= 'a' && digit <= 'd') - return DAHDI_TONE_DTMF_A + (digit - 'a'); - else if (digit == '*') - return DAHDI_TONE_DTMF_s; - else if (digit == '#') - return DAHDI_TONE_DTMF_p; - else - return -1; -} - -static int dahdi_digit_begin(struct ast_channel *chan, char digit) -{ - struct dahdi_pvt *pvt; - int index; - int dtmf = -1; - - pvt = chan->tech_pvt; - - ast_mutex_lock(&pvt->lock); - - index = dahdi_get_index(chan, pvt, 0); - - if ((index != SUB_REAL) || !pvt->owner) - goto out; - -#ifdef HAVE_PRI - if ((pvt->sig == SIG_PRI) && (chan->_state == AST_STATE_DIALING) && !pvt->proceeding) { - if (pvt->setup_ack) { - if (!pri_grab(pvt, pvt->pri)) { - pri_information(pvt->pri->pri, pvt->call, digit); - pri_rel(pvt->pri); - } else - ast_log(LOG_WARNING, "Unable to grab PRI on span %d\n", pvt->span); - } else if (strlen(pvt->dialdest) < sizeof(pvt->dialdest) - 1) { - int res; - ast_log(LOG_DEBUG, "Queueing digit '%c' since setup_ack not yet received\n", digit); - res = strlen(pvt->dialdest); - pvt->dialdest[res++] = digit; - pvt->dialdest[res] = '\0'; - } - goto out; - } -#endif - if ((dtmf = digit_to_dtmfindex(digit)) == -1) - goto out; - - if (pvt->pulse || ioctl(pvt->subs[SUB_REAL].dfd, DAHDI_SENDTONE, &dtmf)) { - int res; - struct dahdi_dialoperation zo = { - .op = DAHDI_DIAL_OP_APPEND, - .dialstr[0] = 'T', - .dialstr[1] = digit, - .dialstr[2] = 0, - }; - if ((res = ioctl(pvt->subs[SUB_REAL].dfd, DAHDI_DIAL, &zo))) - ast_log(LOG_WARNING, "Couldn't dial digit %c: %s\n", digit, strerror(errno)); - else - pvt->dialing = 1; - } else { - ast_log(LOG_DEBUG, "Started VLDTMF digit '%c'\n", digit); - pvt->dialing = 1; - pvt->begindigit = digit; - } - -out: - ast_mutex_unlock(&pvt->lock); - - return 0; -} - -static int dahdi_digit_end(struct ast_channel *chan, char digit, unsigned int duration) -{ - struct dahdi_pvt *pvt; - int res = 0; - int index; - int x; - - pvt = chan->tech_pvt; - - ast_mutex_lock(&pvt->lock); - - index = dahdi_get_index(chan, pvt, 0); - - if ((index != SUB_REAL) || !pvt->owner || pvt->pulse) - goto out; - -#ifdef HAVE_PRI - /* This means that the digit was already sent via PRI signalling */ - if (pvt->sig == SIG_PRI && !pvt->begindigit) - goto out; -#endif - - if (pvt->begindigit) { - x = -1; - ast_log(LOG_DEBUG, "Ending VLDTMF digit '%c'\n", digit); - res = ioctl(pvt->subs[SUB_REAL].dfd, DAHDI_SENDTONE, &x); - pvt->dialing = 0; - pvt->begindigit = 0; - } - -out: - ast_mutex_unlock(&pvt->lock); - - return res; -} - -static char *events[] = { - "No event", - "On hook", - "Ring/Answered", - "Wink/Flash", - "Alarm", - "No more alarm", - "HDLC Abort", - "HDLC Overrun", - "HDLC Bad FCS", - "Dial Complete", - "Ringer On", - "Ringer Off", - "Hook Transition Complete", - "Bits Changed", - "Pulse Start", - "Timer Expired", - "Timer Ping", - "Polarity Reversal", - "Ring Begin", -}; - -static struct { - int alarm; - char *name; -} alarms[] = { - { DAHDI_ALARM_RED, "Red Alarm" }, - { DAHDI_ALARM_YELLOW, "Yellow Alarm" }, - { DAHDI_ALARM_BLUE, "Blue Alarm" }, - { DAHDI_ALARM_RECOVER, "Recovering" }, - { DAHDI_ALARM_LOOPBACK, "Loopback" }, - { DAHDI_ALARM_NOTOPEN, "Not Open" }, - { DAHDI_ALARM_NONE, "None" }, -}; - -static char *alarm2str(int alarm) -{ - int x; - for (x = 0; x < sizeof(alarms) / sizeof(alarms[0]); x++) { - if (alarms[x].alarm & alarm) - return alarms[x].name; - } - return alarm ? "Unknown Alarm" : "No Alarm"; -} - -static char *event2str(int event) -{ - static char buf[256]; - if ((event < (sizeof(events) / sizeof(events[0]))) && (event > -1)) - return events[event]; - sprintf(buf, "Event %d", event); /* safe */ - return buf; -} - -#ifdef HAVE_PRI -static char *dialplan2str(int dialplan) -{ - if (dialplan == -1) { - return("Dynamically set dialplan in ISDN"); - } - return (pri_plan2str(dialplan)); -} -#endif - -static char *dahdi_sig2str(int sig) -{ - static char buf[256]; - switch (sig) { - case SIG_EM: - return "E & M Immediate"; - case SIG_EMWINK: - return "E & M Wink"; - case SIG_EM_E1: - return "E & M E1"; - case SIG_FEATD: - return "Feature Group D (DTMF)"; - case SIG_FEATDMF: - return "Feature Group D (MF)"; - case SIG_FEATDMF_TA: - return "Feature Groud D (MF) Tandem Access"; - case SIG_FEATB: - return "Feature Group B (MF)"; - case SIG_E911: - return "E911 (MF)"; - case SIG_FGC_CAMA: - return "FGC/CAMA (Dialpulse)"; - case SIG_FGC_CAMAMF: - return "FGC/CAMA (MF)"; - case SIG_FXSLS: - return "FXS Loopstart"; - case SIG_FXSGS: - return "FXS Groundstart"; - case SIG_FXSKS: - return "FXS Kewlstart"; - case SIG_FXOLS: - return "FXO Loopstart"; - case SIG_FXOGS: - return "FXO Groundstart"; - case SIG_FXOKS: - return "FXO Kewlstart"; - case SIG_PRI: - return "ISDN PRI"; - case SIG_SF: - return "SF (Tone) Immediate"; - case SIG_SFWINK: - return "SF (Tone) Wink"; - case SIG_SF_FEATD: - return "SF (Tone) with Feature Group D (DTMF)"; - case SIG_SF_FEATDMF: - return "SF (Tone) with Feature Group D (MF)"; - case SIG_SF_FEATB: - return "SF (Tone) with Feature Group B (MF)"; - case SIG_GR303FXOKS: - return "GR-303 with FXOKS"; - case SIG_GR303FXSKS: - return "GR-303 with FXSKS"; - case 0: - return "Pseudo"; - default: - snprintf(buf, sizeof(buf), "Unknown signalling %d", sig); - return buf; - } -} - -#define sig2str dahdi_sig2str - -static int conf_add(struct dahdi_pvt *p, struct dahdi_subchannel *c, int index, int slavechannel) -{ - /* If the conference already exists, and we're already in it - don't bother doing anything */ - struct dahdi_confinfo zi; - - memset(&zi, 0, sizeof(zi)); - zi.chan = 0; - - if (slavechannel > 0) { - /* If we have only one slave, do a digital mon */ - zi.confmode = DAHDI_CONF_DIGITALMON; - zi.confno = slavechannel; - } else { - if (!index) { - /* Real-side and pseudo-side both participate in conference */ - zi.confmode = DAHDI_CONF_REALANDPSEUDO | DAHDI_CONF_TALKER | DAHDI_CONF_LISTENER | - DAHDI_CONF_PSEUDO_TALKER | DAHDI_CONF_PSEUDO_LISTENER; - } else - zi.confmode = DAHDI_CONF_CONF | DAHDI_CONF_TALKER | DAHDI_CONF_LISTENER; - zi.confno = p->confno; - } - if ((zi.confno == c->curconf.confno) && (zi.confmode == c->curconf.confmode)) - return 0; - if (c->dfd < 0) - return 0; - if (ioctl(c->dfd, DAHDI_SETCONF, &zi)) { - ast_log(LOG_WARNING, "Failed to add %d to conference %d/%d: %s\n", c->dfd, zi.confmode, zi.confno, strerror(errno)); - return -1; - } - if (slavechannel < 1) { - p->confno = zi.confno; - } - memcpy(&c->curconf, &zi, sizeof(c->curconf)); - ast_log(LOG_DEBUG, "Added %d to conference %d/%d\n", c->dfd, c->curconf.confmode, c->curconf.confno); - return 0; -} - -static int isourconf(struct dahdi_pvt *p, struct dahdi_subchannel *c) -{ - /* If they're listening to our channel, they're ours */ - if ((p->channel == c->curconf.confno) && (c->curconf.confmode == DAHDI_CONF_DIGITALMON)) - return 1; - /* If they're a talker on our (allocated) conference, they're ours */ - if ((p->confno > 0) && (p->confno == c->curconf.confno) && (c->curconf.confmode & DAHDI_CONF_TALKER)) - return 1; - return 0; -} - -static int conf_del(struct dahdi_pvt *p, struct dahdi_subchannel *c, int index) -{ - struct dahdi_confinfo zi; - if (/* Can't delete if there's no dfd */ - (c->dfd < 0) || - /* Don't delete from the conference if it's not our conference */ - !isourconf(p, c) - /* Don't delete if we don't think it's conferenced at all (implied) */ - ) return 0; - memset(&zi, 0, sizeof(zi)); - zi.chan = 0; - zi.confno = 0; - zi.confmode = 0; - if (ioctl(c->dfd, DAHDI_SETCONF, &zi)) { - ast_log(LOG_WARNING, "Failed to drop %d from conference %d/%d: %s\n", c->dfd, c->curconf.confmode, c->curconf.confno, strerror(errno)); - return -1; - } - ast_log(LOG_DEBUG, "Removed %d from conference %d/%d\n", c->dfd, c->curconf.confmode, c->curconf.confno); - memcpy(&c->curconf, &zi, sizeof(c->curconf)); - return 0; -} - -static int isslavenative(struct dahdi_pvt *p, struct dahdi_pvt **out) -{ - int x; - int useslavenative; - struct dahdi_pvt *slave = NULL; - /* Start out optimistic */ - useslavenative = 1; - /* Update conference state in a stateless fashion */ - for (x = 0; x < 3; x++) { - /* Any three-way calling makes slave native mode *definitely* out - of the question */ - if ((p->subs[x].dfd > -1) && p->subs[x].inthreeway) - useslavenative = 0; - } - /* If we don't have any 3-way calls, check to see if we have - precisely one slave */ - if (useslavenative) { - for (x = 0; x < MAX_SLAVES; x++) { - if (p->slaves[x]) { - if (slave) { - /* Whoops already have a slave! No - slave native and stop right away */ - slave = NULL; - useslavenative = 0; - break; - } else { - /* We have one slave so far */ - slave = p->slaves[x]; - } - } - } - } - /* If no slave, slave native definitely out */ - if (!slave) - useslavenative = 0; - else if (slave->law != p->law) { - useslavenative = 0; - slave = NULL; - } - if (out) - *out = slave; - return useslavenative; -} - -static int reset_conf(struct dahdi_pvt *p) -{ - struct dahdi_confinfo zi; - memset(&zi, 0, sizeof(zi)); - p->confno = -1; - memset(&p->subs[SUB_REAL].curconf, 0, sizeof(p->subs[SUB_REAL].curconf)); - if (p->subs[SUB_REAL].dfd > -1) { - if (ioctl(p->subs[SUB_REAL].dfd, DAHDI_SETCONF, &zi)) - ast_log(LOG_WARNING, "Failed to reset conferencing on channel %d: %s\n", p->channel, strerror(errno)); - } - return 0; -} - -static int update_conf(struct dahdi_pvt *p) -{ - int needconf = 0; - int x; - int useslavenative; - struct dahdi_pvt *slave = NULL; - - useslavenative = isslavenative(p, &slave); - /* Start with the obvious, general stuff */ - for (x = 0; x < 3; x++) { - /* Look for three way calls */ - if ((p->subs[x].dfd > -1) && p->subs[x].inthreeway) { - conf_add(p, &p->subs[x], x, 0); - needconf++; - } else { - conf_del(p, &p->subs[x], x); - } - } - /* If we have a slave, add him to our conference now. or DAX - if this is slave native */ - for (x = 0; x < MAX_SLAVES; x++) { - if (p->slaves[x]) { - if (useslavenative) - conf_add(p, &p->slaves[x]->subs[SUB_REAL], SUB_REAL, GET_CHANNEL(p)); - else { - conf_add(p, &p->slaves[x]->subs[SUB_REAL], SUB_REAL, 0); - needconf++; - } - } - } - /* If we're supposed to be in there, do so now */ - if (p->inconference && !p->subs[SUB_REAL].inthreeway) { - if (useslavenative) - conf_add(p, &p->subs[SUB_REAL], SUB_REAL, GET_CHANNEL(slave)); - else { - conf_add(p, &p->subs[SUB_REAL], SUB_REAL, 0); - needconf++; - } - } - /* If we have a master, add ourselves to his conference */ - if (p->master) { - if (isslavenative(p->master, NULL)) { - conf_add(p->master, &p->subs[SUB_REAL], SUB_REAL, GET_CHANNEL(p->master)); - } else { - conf_add(p->master, &p->subs[SUB_REAL], SUB_REAL, 0); - } - } - if (!needconf) { - /* Nobody is left (or should be left) in our conference. - Kill it. */ - p->confno = -1; - } - if (option_debug) - ast_log(LOG_DEBUG, "Updated conferencing on %d, with %d conference users\n", p->channel, needconf); - return 0; -} - -static void dahdi_enable_ec(struct dahdi_pvt *p) -{ - int x; - int res; - if (!p) - return; - if (p->echocanon) { - ast_log(LOG_DEBUG, "Echo cancellation already on\n"); - return; - } - if (p->digital) { - ast_log(LOG_DEBUG, "Echo cancellation isn't required on digital connection\n"); - return; - } - if (p->echocancel) { - if (p->sig == SIG_PRI) { - x = 1; - res = ioctl(p->subs[SUB_REAL].dfd, DAHDI_AUDIOMODE, &x); - if (res) - ast_log(LOG_WARNING, "Unable to enable audio mode on channel %d (%s)\n", p->channel, strerror(errno)); - } - x = p->echocancel; - res = ioctl(p->subs[SUB_REAL].dfd, DAHDI_ECHOCANCEL, &x); - if (res) - ast_log(LOG_WARNING, "Unable to enable echo cancellation on channel %d (%s)\n", p->channel, strerror(errno)); - else { - p->echocanon = 1; - if (option_debug) - ast_log(LOG_DEBUG, "Enabled echo cancellation on channel %d\n", p->channel); - } - } else if (option_debug) - ast_log(LOG_DEBUG, "No echo cancellation requested\n"); -} - -static void dahdi_train_ec(struct dahdi_pvt *p) -{ - int x; - int res; - if (p && p->echocancel && p->echotraining) { - x = p->echotraining; - res = ioctl(p->subs[SUB_REAL].dfd, DAHDI_ECHOTRAIN, &x); - if (res) - ast_log(LOG_WARNING, "Unable to request echo training on channel %d: %s\n", p->channel, strerror(errno)); - else { - ast_log(LOG_DEBUG, "Engaged echo training on channel %d\n", p->channel); - } - } else - ast_log(LOG_DEBUG, "No echo training requested\n"); -} - -static void dahdi_disable_ec(struct dahdi_pvt *p) -{ - int x; - int res; - if (p->echocancel) { - x = 0; - res = ioctl(p->subs[SUB_REAL].dfd, DAHDI_ECHOCANCEL, &x); - if (res) - ast_log(LOG_WARNING, "Unable to disable echo cancellation on channel %d: %s\n", p->channel, strerror(errno)); - else if (option_debug) - ast_log(LOG_DEBUG, "disabled echo cancellation on channel %d\n", p->channel); - } - p->echocanon = 0; -} - -static void fill_txgain(struct dahdi_gains *g, float gain, int law) -{ - int j; - int k; - float linear_gain = pow(10.0, gain / 20.0); - - switch (law) { - case DAHDI_LAW_ALAW: - for (j = 0; j < (sizeof(g->txgain) / sizeof(g->txgain[0])); j++) { - if (gain) { - k = (int) (((float) AST_ALAW(j)) * linear_gain); - if (k > 32767) k = 32767; - if (k < -32767) k = -32767; - g->txgain[j] = AST_LIN2A(k); - } else { - g->txgain[j] = j; - } - } - break; - case DAHDI_LAW_MULAW: - for (j = 0; j < (sizeof(g->txgain) / sizeof(g->txgain[0])); j++) { - if (gain) { - k = (int) (((float) AST_MULAW(j)) * linear_gain); - if (k > 32767) k = 32767; - if (k < -32767) k = -32767; - g->txgain[j] = AST_LIN2MU(k); - } else { - g->txgain[j] = j; - } - } - break; - } -} - -static void fill_rxgain(struct dahdi_gains *g, float gain, int law) -{ - int j; - int k; - float linear_gain = pow(10.0, gain / 20.0); - - switch (law) { - case DAHDI_LAW_ALAW: - for (j = 0; j < (sizeof(g->rxgain) / sizeof(g->rxgain[0])); j++) { - if (gain) { - k = (int) (((float) AST_ALAW(j)) * linear_gain); - if (k > 32767) k = 32767; - if (k < -32767) k = -32767; - g->rxgain[j] = AST_LIN2A(k); - } else { - g->rxgain[j] = j; - } - } - break; - case DAHDI_LAW_MULAW: - for (j = 0; j < (sizeof(g->rxgain) / sizeof(g->rxgain[0])); j++) { - if (gain) { - k = (int) (((float) AST_MULAW(j)) * linear_gain); - if (k > 32767) k = 32767; - if (k < -32767) k = -32767; - g->rxgain[j] = AST_LIN2MU(k); - } else { - g->rxgain[j] = j; - } - } - break; - } -} - -static int set_actual_txgain(int fd, int chan, float gain, int law) -{ - struct dahdi_gains g; - int res; - - memset(&g, 0, sizeof(g)); - g.chan = chan; - res = ioctl(fd, DAHDI_GETGAINS, &g); - if (res) { - if (option_debug) - ast_log(LOG_DEBUG, "Failed to read gains: %s\n", strerror(errno)); - return res; - } - - fill_txgain(&g, gain, law); - - return ioctl(fd, DAHDI_SETGAINS, &g); -} - -static int set_actual_rxgain(int fd, int chan, float gain, int law) -{ - struct dahdi_gains g; - int res; - - memset(&g, 0, sizeof(g)); - g.chan = chan; - res = ioctl(fd, DAHDI_GETGAINS, &g); - if (res) { - ast_log(LOG_DEBUG, "Failed to read gains: %s\n", strerror(errno)); - return res; - } - - fill_rxgain(&g, gain, law); - - return ioctl(fd, DAHDI_SETGAINS, &g); -} - -static int set_actual_gain(int fd, int chan, float rxgain, float txgain, int law) -{ - return set_actual_txgain(fd, chan, txgain, law) | set_actual_rxgain(fd, chan, rxgain, law); -} - -static int bump_gains(struct dahdi_pvt *p) -{ - int res; - - /* Bump receive gain by 5.0db */ - res = set_actual_gain(p->subs[SUB_REAL].dfd, 0, p->rxgain + 5.0, p->txgain, p->law); - if (res) { - ast_log(LOG_WARNING, "Unable to bump gain: %s\n", strerror(errno)); - return -1; - } - - return 0; -} - -static int restore_gains(struct dahdi_pvt *p) -{ - int res; - - res = set_actual_gain(p->subs[SUB_REAL].dfd, 0, p->rxgain, p->txgain, p->law); - if (res) { - ast_log(LOG_WARNING, "Unable to restore gains: %s\n", strerror(errno)); - return -1; - } - - return 0; -} - -static inline int dahdi_set_hook(int fd, int hs) -{ - int x, res; - - x = hs; - res = ioctl(fd, DAHDI_HOOK, &x); - - if (res < 0) { - if (errno == EINPROGRESS) - return 0; - ast_log(LOG_WARNING, "DAHDI hook failed returned %d (trying %d): %s\n", res, hs, strerror(errno)); - /* will expectedly fail if phone is off hook during operation, such as during a restart */ - } - - return res; -} - -static inline int dahdi_confmute(struct dahdi_pvt *p, int muted) -{ - int x, y, res; - x = muted; - if (p->sig == SIG_PRI) { - y = 1; - res = ioctl(p->subs[SUB_REAL].dfd, DAHDI_AUDIOMODE, &y); - if (res) - ast_log(LOG_WARNING, "Unable to set audio mode on %d: %s\n", p->channel, strerror(errno)); - } - res = ioctl(p->subs[SUB_REAL].dfd, DAHDI_CONFMUTE, &x); - if (res < 0) - ast_log(LOG_WARNING, "dahdi confmute(%d) failed on channel %d: %s\n", muted, p->channel, strerror(errno)); - return res; -} - -static int save_conference(struct dahdi_pvt *p) -{ - struct dahdi_confinfo c; - int res; - if (p->saveconf.confmode) { - ast_log(LOG_WARNING, "Can't save conference -- already in use\n"); - return -1; - } - p->saveconf.chan = 0; - res = ioctl(p->subs[SUB_REAL].dfd, DAHDI_GETCONF, &p->saveconf); - if (res) { - ast_log(LOG_WARNING, "Unable to get conference info: %s\n", strerror(errno)); - p->saveconf.confmode = 0; - return -1; - } - c.chan = 0; - c.confno = 0; - c.confmode = DAHDI_CONF_NORMAL; - res = ioctl(p->subs[SUB_REAL].dfd, DAHDI_SETCONF, &c); - if (res) { - ast_log(LOG_WARNING, "Unable to set conference info: %s\n", strerror(errno)); - return -1; - } - if (option_debug) - ast_log(LOG_DEBUG, "Disabled conferencing\n"); - return 0; -} - -static int restore_conference(struct dahdi_pvt *p) -{ - int res; - if (p->saveconf.confmode) { - res = ioctl(p->subs[SUB_REAL].dfd, DAHDI_SETCONF, &p->saveconf); - p->saveconf.confmode = 0; - if (res) { - ast_log(LOG_WARNING, "Unable to restore conference info: %s\n", strerror(errno)); - return -1; - } - } - if (option_debug) - ast_log(LOG_DEBUG, "Restored conferencing\n"); - return 0; -} - -static int send_callerid(struct dahdi_pvt *p); - -static int send_cwcidspill(struct dahdi_pvt *p) -{ - p->callwaitcas = 0; - p->cidcwexpire = 0; - if (!(p->cidspill = ast_malloc(MAX_CALLERID_SIZE))) - return -1; - p->cidlen = ast_callerid_callwaiting_generate(p->cidspill, p->callwait_name, p->callwait_num, AST_LAW(p)); - /* Make sure we account for the end */ - p->cidlen += READ_SIZE * 4; - p->cidpos = 0; - send_callerid(p); - if (option_verbose > 2) - ast_verbose(VERBOSE_PREFIX_3 "CPE supports Call Waiting Caller*ID. Sending '%s/%s'\n", p->callwait_name, p->callwait_num); - return 0; -} - -static int has_voicemail(struct dahdi_pvt *p) -{ - - return ast_app_has_voicemail(p->mailbox, NULL); -} - -static int send_callerid(struct dahdi_pvt *p) -{ - /* Assumes spill in p->cidspill, p->cidlen in length and we're p->cidpos into it */ - int res; - /* Take out of linear mode if necessary */ - if (p->subs[SUB_REAL].linear) { - p->subs[SUB_REAL].linear = 0; - dahdi_setlinear(p->subs[SUB_REAL].dfd, 0); - } - while (p->cidpos < p->cidlen) { - res = write(p->subs[SUB_REAL].dfd, p->cidspill + p->cidpos, p->cidlen - p->cidpos); - if (res < 0) { - if (errno == EAGAIN) - return 0; - else { - ast_log(LOG_WARNING, "write failed: %s\n", strerror(errno)); - return -1; - } - } - if (!res) - return 0; - p->cidpos += res; - } - free(p->cidspill); - p->cidspill = NULL; - if (p->callwaitcas) { - /* Wait for CID/CW to expire */ - p->cidcwexpire = CIDCW_EXPIRE_SAMPLES; - } else - restore_conference(p); - return 0; -} - -static int dahdi_callwait(struct ast_channel *ast) -{ - struct dahdi_pvt *p = ast->tech_pvt; - p->callwaitingrepeat = CALLWAITING_REPEAT_SAMPLES; - if (p->cidspill) { - ast_log(LOG_WARNING, "Spill already exists?!?\n"); - free(p->cidspill); - } - if (!(p->cidspill = ast_malloc(2400 /* SAS */ + 680 /* CAS */ + READ_SIZE * 4))) - return -1; - save_conference(p); - /* Silence */ - memset(p->cidspill, 0x7f, 2400 + 600 + READ_SIZE * 4); - if (!p->callwaitrings && p->callwaitingcallerid) { - ast_gen_cas(p->cidspill, 1, 2400 + 680, AST_LAW(p)); - p->callwaitcas = 1; - p->cidlen = 2400 + 680 + READ_SIZE * 4; - } else { - ast_gen_cas(p->cidspill, 1, 2400, AST_LAW(p)); - p->callwaitcas = 0; - p->cidlen = 2400 + READ_SIZE * 4; - } - p->cidpos = 0; - send_callerid(p); - - return 0; -} - -static int dahdi_call(struct ast_channel *ast, char *rdest, int timeout) -{ - struct dahdi_pvt *p = ast->tech_pvt; - int x, res, index,mysig; - char *c, *n, *l; -#ifdef HAVE_PRI - char *s = NULL; -#endif - char dest[256]; /* must be same length as p->dialdest */ - ast_mutex_lock(&p->lock); - ast_copy_string(dest, rdest, sizeof(dest)); - ast_copy_string(p->dialdest, rdest, sizeof(p->dialdest)); - if ((ast->_state == AST_STATE_BUSY)) { - p->subs[SUB_REAL].needbusy = 1; - ast_mutex_unlock(&p->lock); - return 0; - } - if ((ast->_state != AST_STATE_DOWN) && (ast->_state != AST_STATE_RESERVED)) { - ast_log(LOG_WARNING, "dahdi_call called on %s, neither down nor reserved\n", ast->name); - ast_mutex_unlock(&p->lock); - return -1; - } - p->dialednone = 0; - if ((p->radio || (p->oprmode < 0))) /* if a radio channel, up immediately */ - { - /* Special pseudo -- automatically up */ - ast_setstate(ast, AST_STATE_UP); - ast_mutex_unlock(&p->lock); - return 0; - } - x = DAHDI_FLUSH_READ | DAHDI_FLUSH_WRITE; - res = ioctl(p->subs[SUB_REAL].dfd, DAHDI_FLUSH, &x); - if (res) - ast_log(LOG_WARNING, "Unable to flush input on channel %d: %s\n", p->channel, strerror(errno)); - p->outgoing = 1; - - set_actual_gain(p->subs[SUB_REAL].dfd, 0, p->rxgain, p->txgain, p->law); - - mysig = p->sig; - if (p->outsigmod > -1) - mysig = p->outsigmod; - - switch (mysig) { - case SIG_FXOLS: - case SIG_FXOGS: - case SIG_FXOKS: - if (p->owner == ast) { - /* Normal ring, on hook */ - - /* Don't send audio while on hook, until the call is answered */ - p->dialing = 1; - if (p->use_callerid) { - /* Generate the Caller-ID spill if desired */ - if (p->cidspill) { - ast_log(LOG_WARNING, "cidspill already exists??\n"); - free(p->cidspill); - } - p->callwaitcas = 0; - if ((p->cidspill = ast_malloc(MAX_CALLERID_SIZE))) { - p->cidlen = ast_callerid_generate(p->cidspill, ast->cid.cid_name, ast->cid.cid_num, AST_LAW(p)); - p->cidpos = 0; - send_callerid(p); - } - } - /* Choose proper cadence */ - if ((p->distinctivering > 0) && (p->distinctivering <= num_cadence)) { - if (ioctl(p->subs[SUB_REAL].dfd, DAHDI_SETCADENCE, &cadences[p->distinctivering - 1])) - ast_log(LOG_WARNING, "Unable to set distinctive ring cadence %d on '%s': %s\n", p->distinctivering, ast->name, strerror(errno)); - p->cidrings = cidrings[p->distinctivering - 1]; - } else { - if (ioctl(p->subs[SUB_REAL].dfd, DAHDI_SETCADENCE, NULL)) - ast_log(LOG_WARNING, "Unable to reset default ring on '%s': %s\n", ast->name, strerror(errno)); - p->cidrings = p->sendcalleridafter; - } - - /* nick@dccinc.com 4/3/03 mods to allow for deferred dialing */ - c = strchr(dest, '/'); - if (c) - c++; - if (c && (strlen(c) < p->stripmsd)) { - ast_log(LOG_WARNING, "Number '%s' is shorter than stripmsd (%d)\n", c, p->stripmsd); - c = NULL; - } - if (c) { - p->dop.op = DAHDI_DIAL_OP_REPLACE; - snprintf(p->dop.dialstr, sizeof(p->dop.dialstr), "Tw%s", c); - ast_log(LOG_DEBUG, "FXO: setup deferred dialstring: %s\n", c); - } else { - p->dop.dialstr[0] = '\0'; - } - x = DAHDI_RING; - if (ioctl(p->subs[SUB_REAL].dfd, DAHDI_HOOK, &x) && (errno != EINPROGRESS)) { - ast_log(LOG_WARNING, "Unable to ring phone: %s\n", strerror(errno)); - ast_mutex_unlock(&p->lock); - return -1; - } - p->dialing = 1; - } else { - /* Call waiting call */ - p->callwaitrings = 0; - if (ast->cid.cid_num) - ast_copy_string(p->callwait_num, ast->cid.cid_num, sizeof(p->callwait_num)); - else - p->callwait_num[0] = '\0'; - if (ast->cid.cid_name) - ast_copy_string(p->callwait_name, ast->cid.cid_name, sizeof(p->callwait_name)); - else - p->callwait_name[0] = '\0'; - /* Call waiting tone instead */ - if (dahdi_callwait(ast)) { - ast_mutex_unlock(&p->lock); - return -1; - } - /* Make ring-back */ - if (tone_zone_play_tone(p->subs[SUB_CALLWAIT].dfd, DAHDI_TONE_RINGTONE)) - ast_log(LOG_WARNING, "Unable to generate call-wait ring-back on channel %s\n", ast->name); - - } - n = ast->cid.cid_name; - l = ast->cid.cid_num; - if (l) - ast_copy_string(p->lastcid_num, l, sizeof(p->lastcid_num)); - else - p->lastcid_num[0] = '\0'; - if (n) - ast_copy_string(p->lastcid_name, n, sizeof(p->lastcid_name)); - else - p->lastcid_name[0] = '\0'; - ast_setstate(ast, AST_STATE_RINGING); - index = dahdi_get_index(ast, p, 0); - if (index > -1) { - p->subs[index].needringing = 1; - } - break; - case SIG_FXSLS: - case SIG_FXSGS: - case SIG_FXSKS: - case SIG_EMWINK: - case SIG_EM: - case SIG_EM_E1: - case SIG_FEATD: - case SIG_FEATDMF: - case SIG_E911: - case SIG_FGC_CAMA: - case SIG_FGC_CAMAMF: - case SIG_FEATB: - case SIG_SFWINK: - case SIG_SF: - case SIG_SF_FEATD: - case SIG_SF_FEATDMF: - case SIG_FEATDMF_TA: - case SIG_SF_FEATB: - c = strchr(dest, '/'); - if (c) - c++; - else - c = ""; - if (strlen(c) < p->stripmsd) { - ast_log(LOG_WARNING, "Number '%s' is shorter than stripmsd (%d)\n", c, p->stripmsd); - ast_mutex_unlock(&p->lock); - return -1; - } -#ifdef HAVE_PRI - /* Start the trunk, if not GR-303 */ - if (!p->pri) { -#endif - x = DAHDI_START; - res = ioctl(p->subs[SUB_REAL].dfd, DAHDI_HOOK, &x); - if (res < 0) { - if (errno != EINPROGRESS) { - ast_log(LOG_WARNING, "Unable to start channel: %s\n", strerror(errno)); - ast_mutex_unlock(&p->lock); - return -1; - } - } -#ifdef HAVE_PRI - } -#endif - ast_log(LOG_DEBUG, "Dialing '%s'\n", c); - p->dop.op = DAHDI_DIAL_OP_REPLACE; - - c += p->stripmsd; - - switch (mysig) { - case SIG_FEATD: - l = ast->cid.cid_num; - if (l) - snprintf(p->dop.dialstr, sizeof(p->dop.dialstr), "T*%s*%s*", l, c); - else - snprintf(p->dop.dialstr, sizeof(p->dop.dialstr), "T**%s*", c); - break; - case SIG_FEATDMF: - l = ast->cid.cid_num; - if (l) - snprintf(p->dop.dialstr, sizeof(p->dop.dialstr), "M*00%s#*%s#", l, c); - else - snprintf(p->dop.dialstr, sizeof(p->dop.dialstr), "M*02#*%s#", c); - break; - case SIG_FEATDMF_TA: - { - const char *cic, *ozz; - - /* If you have to go through a Tandem Access point you need to use this */ - ozz = pbx_builtin_getvar_helper(p->owner, "FEATDMF_OZZ"); - if (!ozz) - ozz = defaultozz; - cic = pbx_builtin_getvar_helper(p->owner, "FEATDMF_CIC"); - if (!cic) - cic = defaultcic; - if (!ozz || !cic) { - ast_log(LOG_WARNING, "Unable to dial channel of type feature group D MF tandem access without CIC or OZZ set\n"); - ast_mutex_unlock(&p->lock); - return -1; - } - snprintf(p->dop.dialstr, sizeof(p->dop.dialstr), "M*%s%s#", ozz, cic); - snprintf(p->finaldial, sizeof(p->finaldial), "M*%s#", c); - p->whichwink = 0; - } - break; - case SIG_E911: - ast_copy_string(p->dop.dialstr, "M*911#", sizeof(p->dop.dialstr)); - break; - case SIG_FGC_CAMA: - snprintf(p->dop.dialstr, sizeof(p->dop.dialstr), "P%s", c); - break; - case SIG_FGC_CAMAMF: - case SIG_FEATB: - snprintf(p->dop.dialstr, sizeof(p->dop.dialstr), "M*%s#", c); - break; - default: - if (p->pulse) - snprintf(p->dop.dialstr, sizeof(p->dop.dialstr), "P%sw", c); - else - snprintf(p->dop.dialstr, sizeof(p->dop.dialstr), "T%sw", c); - break; - } - - if (p->echotraining && (strlen(p->dop.dialstr) > 4)) { - memset(p->echorest, 'w', sizeof(p->echorest) - 1); - strcpy(p->echorest + (p->echotraining / 400) + 1, p->dop.dialstr + strlen(p->dop.dialstr) - 2); - p->echorest[sizeof(p->echorest) - 1] = '\0'; - p->echobreak = 1; - p->dop.dialstr[strlen(p->dop.dialstr)-2] = '\0'; - } else - p->echobreak = 0; - if (!res) { - if (ioctl(p->subs[SUB_REAL].dfd, DAHDI_DIAL, &p->dop)) { - int saveerr = errno; - - x = DAHDI_ONHOOK; - ioctl(p->subs[SUB_REAL].dfd, DAHDI_HOOK, &x); - ast_log(LOG_WARNING, "Dialing failed on channel %d: %s\n", p->channel, strerror(saveerr)); - ast_mutex_unlock(&p->lock); - return -1; - } - } else - ast_log(LOG_DEBUG, "Deferring dialing...\n"); - p->dialing = 1; - if (ast_strlen_zero(c)) - p->dialednone = 1; - ast_setstate(ast, AST_STATE_DIALING); - break; - case 0: - /* Special pseudo -- automatically up*/ - ast_setstate(ast, AST_STATE_UP); - break; - case SIG_PRI: - /* We'll get it in a moment -- but use dialdest to store pre-setup_ack digits */ - p->dialdest[0] = '\0'; - break; - default: - ast_log(LOG_DEBUG, "not yet implemented\n"); - ast_mutex_unlock(&p->lock); - return -1; - } -#ifdef HAVE_PRI - if (p->pri) { - struct pri_sr *sr; -#ifdef SUPPORT_USERUSER - const char *useruser; -#endif - int pridialplan; - int dp_strip; - int prilocaldialplan; - int ldp_strip; - int exclusive; - const char *rr_str; - int redirect_reason; - - c = strchr(dest, '/'); - if (c) - c++; - else - c = dest; - - l = NULL; - n = NULL; - - if (!p->hidecallerid) { - l = ast->cid.cid_num; - if (!p->hidecalleridname) { - n = ast->cid.cid_name; - } - } - - - if (strlen(c) < p->stripmsd) { - ast_log(LOG_WARNING, "Number '%s' is shorter than stripmsd (%d)\n", c, p->stripmsd); - ast_mutex_unlock(&p->lock); - return -1; - } - if (mysig != SIG_FXSKS) { - p->dop.op = DAHDI_DIAL_OP_REPLACE; - s = strchr(c + p->stripmsd, 'w'); - if (s) { - if (strlen(s) > 1) - snprintf(p->dop.dialstr, sizeof(p->dop.dialstr), "T%s", s); - else - p->dop.dialstr[0] = '\0'; - *s = '\0'; - } else { - p->dop.dialstr[0] = '\0'; - } - } - if (pri_grab(p, p->pri)) { - ast_log(LOG_WARNING, "Failed to grab PRI!\n"); - ast_mutex_unlock(&p->lock); - return -1; - } - if (!(p->call = pri_new_call(p->pri->pri))) { - ast_log(LOG_WARNING, "Unable to create call on channel %d\n", p->channel); - pri_rel(p->pri); - ast_mutex_unlock(&p->lock); - return -1; - } - if (!(sr = pri_sr_new())) { - ast_log(LOG_WARNING, "Failed to allocate setup request channel %d\n", p->channel); - pri_destroycall(p->pri->pri, p->call); - p->call = NULL; - pri_rel(p->pri); - ast_mutex_unlock(&p->lock); - return -1; - } - if (p->bearer || (mysig == SIG_FXSKS)) { - if (p->bearer) { - ast_log(LOG_DEBUG, "Oooh, I have a bearer on %d (%d:%d)\n", PVT_TO_CHANNEL(p->bearer), p->bearer->logicalspan, p->bearer->channel); - p->bearer->call = p->call; - } else - ast_log(LOG_DEBUG, "I'm being setup with no bearer right now...\n"); - pri_set_crv(p->pri->pri, p->call, p->channel, 0); - } - p->digital = IS_DIGITAL(ast->transfercapability); - /* Add support for exclusive override */ - if (p->priexclusive) - exclusive = 1; - else { - /* otherwise, traditional behavior */ - if (p->pri->nodetype == PRI_NETWORK) - exclusive = 0; - else - exclusive = 1; - } - - pri_sr_set_channel(sr, p->bearer ? PVT_TO_CHANNEL(p->bearer) : PVT_TO_CHANNEL(p), exclusive, 1); - pri_sr_set_bearer(sr, p->digital ? PRI_TRANS_CAP_DIGITAL : ast->transfercapability, - (p->digital ? -1 : - ((p->law == DAHDI_LAW_ALAW) ? PRI_LAYER_1_ALAW : PRI_LAYER_1_ULAW))); - if (p->pri->facilityenable) - pri_facility_enable(p->pri->pri); - - if (option_verbose > 2) - ast_verbose(VERBOSE_PREFIX_3 "Requested transfer capability: 0x%.2x - %s\n", ast->transfercapability, ast_transfercapability2str(ast->transfercapability)); - dp_strip = 0; - pridialplan = p->pri->dialplan - 1; - if (pridialplan == -2) { /* compute dynamically */ - if (strncmp(c + p->stripmsd, p->pri->internationalprefix, strlen(p->pri->internationalprefix)) == 0) { - dp_strip = strlen(p->pri->internationalprefix); - pridialplan = PRI_INTERNATIONAL_ISDN; - } else if (strncmp(c + p->stripmsd, p->pri->nationalprefix, strlen(p->pri->nationalprefix)) == 0) { - dp_strip = strlen(p->pri->nationalprefix); - pridialplan = PRI_NATIONAL_ISDN; - } else { - pridialplan = PRI_LOCAL_ISDN; - } - } - pri_sr_set_called(sr, c + p->stripmsd + dp_strip, pridialplan, s ? 1 : 0); - - ldp_strip = 0; - prilocaldialplan = p->pri->localdialplan - 1; - if ((l != NULL) && (prilocaldialplan == -2)) { /* compute dynamically */ - if (strncmp(l, p->pri->internationalprefix, strlen(p->pri->internationalprefix)) == 0) { - ldp_strip = strlen(p->pri->internationalprefix); - prilocaldialplan = PRI_INTERNATIONAL_ISDN; - } else if (strncmp(l, p->pri->nationalprefix, strlen(p->pri->nationalprefix)) == 0) { - ldp_strip = strlen(p->pri->nationalprefix); - prilocaldialplan = PRI_NATIONAL_ISDN; - } else { - prilocaldialplan = PRI_LOCAL_ISDN; - } - } - pri_sr_set_caller(sr, l ? (l + ldp_strip) : NULL, n, prilocaldialplan, - p->use_callingpres ? ast->cid.cid_pres : (l ? PRES_ALLOWED_USER_NUMBER_PASSED_SCREEN : PRES_NUMBER_NOT_AVAILABLE)); - if ((rr_str = pbx_builtin_getvar_helper(ast, "PRIREDIRECTREASON"))) { - if (!strcasecmp(rr_str, "UNKNOWN")) - redirect_reason = 0; - else if (!strcasecmp(rr_str, "BUSY")) - redirect_reason = 1; - else if (!strcasecmp(rr_str, "NO_REPLY")) - redirect_reason = 2; - else if (!strcasecmp(rr_str, "UNCONDITIONAL")) - redirect_reason = 15; - else - redirect_reason = PRI_REDIR_UNCONDITIONAL; - } else - redirect_reason = PRI_REDIR_UNCONDITIONAL; - pri_sr_set_redirecting(sr, ast->cid.cid_rdnis, p->pri->localdialplan - 1, PRES_ALLOWED_USER_NUMBER_PASSED_SCREEN, redirect_reason); - -#ifdef SUPPORT_USERUSER - /* User-user info */ - useruser = pbx_builtin_getvar_helper(p->owner, "USERUSERINFO"); - - if (useruser) - pri_sr_set_useruser(sr, useruser); -#endif - - if (pri_setup(p->pri->pri, p->call, sr)) { - ast_log(LOG_WARNING, "Unable to setup call to %s (using %s)\n", - c + p->stripmsd + dp_strip, dialplan2str(p->pri->dialplan)); - pri_rel(p->pri); - ast_mutex_unlock(&p->lock); - pri_sr_free(sr); - return -1; - } - pri_sr_free(sr); - ast_setstate(ast, AST_STATE_DIALING); - pri_rel(p->pri); - } -#endif - ast_mutex_unlock(&p->lock); - return 0; -} - -static void destroy_dahdi_pvt(struct dahdi_pvt **pvt) -{ - struct dahdi_pvt *p = *pvt; - /* Remove channel from the list */ - if (p->prev) - p->prev->next = p->next; - if (p->next) - p->next->prev = p->prev; - if (p->use_smdi) - ast_smdi_interface_unref(p->smdi_iface); - ast_mutex_destroy(&p->lock); - dahdi_close_sub(p, SUB_REAL); - if (p->owner) - p->owner->tech_pvt = NULL; - free(p); - *pvt = NULL; -} - -static int destroy_channel(struct dahdi_pvt *prev, struct dahdi_pvt *cur, int now) -{ - int owned = 0; - int i = 0; - - if (!now) { - if (cur->owner) { - owned = 1; - } - - for (i = 0; i < 3; i++) { - if (cur->subs[i].owner) { - owned = 1; - } - } - if (!owned) { - if (prev) { - prev->next = cur->next; - if (prev->next) - prev->next->prev = prev; - else - ifend = prev; - } else { - iflist = cur->next; - if (iflist) - iflist->prev = NULL; - else - ifend = NULL; - } - destroy_dahdi_pvt(&cur); - } - } else { - if (prev) { - prev->next = cur->next; - if (prev->next) - prev->next->prev = prev; - else - ifend = prev; - } else { - iflist = cur->next; - if (iflist) - iflist->prev = NULL; - else - ifend = NULL; - } - destroy_dahdi_pvt(&cur); - } - return 0; -} - -static void destroy_all_channels(void) -{ - int x; - struct dahdi_pvt *p, *pl; - - while (num_restart_pending) { - usleep(1); - } - - ast_mutex_lock(&iflock); - /* Destroy all the interfaces and free their memory */ - p = iflist; - while (p) { - /* Free any callerid */ - if (p->cidspill) - ast_free(p->cidspill); - pl = p; - p = p->next; - x = pl->channel; - /* Free associated memory */ - if (pl) - destroy_dahdi_pvt(&pl); - if (option_verbose > 2) - ast_verbose(VERBOSE_PREFIX_2 "Unregistered channel %d\n", x); - } - iflist = NULL; - ifcount = 0; - ast_mutex_unlock(&iflock); -} - -#ifdef HAVE_PRI -static char *dahdi_send_keypad_facility_app = "DAHDISendKeypadFacility"; -static char *zap_send_keypad_facility_app = "ZapSendKeypadFacility"; - -static char *dahdi_send_keypad_facility_synopsis = "Send digits out of band over a PRI"; -static char *zap_send_keypad_facility_synopsis = "Send digits out of band over a PRI"; - -static char *dahdi_send_keypad_facility_descrip = -" DAHDISendKeypadFacility(): This application will send the given string of digits in a Keypad Facility\n" -" IE over the current channel.\n"; -static char *zap_send_keypad_facility_descrip = -" ZapSendKeypadFacility(): This application will send the given string of digits in a Keypad Facility\n" -" IE over the current channel.\n"; - -static int send_keypad_facility_exec(struct ast_channel *chan, void *data) -{ - /* Data will be our digit string */ - struct dahdi_pvt *p; - char *digits = (char *) data; - - if (ast_strlen_zero(digits)) { - ast_log(LOG_DEBUG, "No digit string sent to application!\n"); - return -1; - } - - p = (struct dahdi_pvt *)chan->tech_pvt; - - if (!p) { - ast_log(LOG_DEBUG, "Unable to find technology private\n"); - return -1; - } - - ast_mutex_lock(&p->lock); - - if (!p->pri || !p->call) { - ast_log(LOG_DEBUG, "Unable to find pri or call on channel!\n"); - ast_mutex_unlock(&p->lock); - return -1; - } - - if (!pri_grab(p, p->pri)) { - pri_keypad_facility(p->pri->pri, p->call, digits); - pri_rel(p->pri); - } else { - ast_log(LOG_DEBUG, "Unable to grab pri to send keypad facility!\n"); - ast_mutex_unlock(&p->lock); - return -1; - } - - ast_mutex_unlock(&p->lock); - - return 0; -} - -static int dahdi_send_keypad_facility_exec(struct ast_channel *chan, void *data) -{ - return send_keypad_facility_exec(chan, data); -} - -static int zap_send_keypad_facility_exec(struct ast_channel *chan, void *data) -{ - ast_log(LOG_WARNING, "Use of the command %s is deprecated, please use %s instead.\n", zap_send_keypad_facility_app, dahdi_send_keypad_facility_app); - return send_keypad_facility_exec(chan, data); -} - -static int pri_is_up(struct dahdi_pri *pri) -{ - int x; - for (x = 0; x < NUM_DCHANS; x++) { - if (pri->dchanavail[x] == DCHAN_AVAILABLE) - return 1; - } - return 0; -} - -static int pri_assign_bearer(struct dahdi_pvt *crv, struct dahdi_pri *pri, struct dahdi_pvt *bearer) -{ - bearer->owner = &inuse; - bearer->realcall = crv; - crv->subs[SUB_REAL].dfd = bearer->subs[SUB_REAL].dfd; - if (crv->subs[SUB_REAL].owner) - crv->subs[SUB_REAL].owner->fds[0] = crv->subs[SUB_REAL].dfd; - crv->bearer = bearer; - crv->call = bearer->call; - crv->pri = pri; - return 0; -} - -static char *pri_order(int level) -{ - switch (level) { - case 0: - return "Primary"; - case 1: - return "Secondary"; - case 2: - return "Tertiary"; - case 3: - return "Quaternary"; - default: - return "<Unknown>"; - } -} - -/* Returns fd of the active dchan */ -static int pri_active_dchan_fd(struct dahdi_pri *pri) -{ - int x = -1; - - for (x = 0; x < NUM_DCHANS; x++) { - if ((pri->dchans[x] == pri->pri)) - break; - } - - return pri->fds[x]; -} - -static int pri_find_dchan(struct dahdi_pri *pri) -{ - int oldslot = -1; - struct pri *old; - int newslot = -1; - int x; - old = pri->pri; - for (x = 0; x < NUM_DCHANS; x++) { - if ((pri->dchanavail[x] == DCHAN_AVAILABLE) && (newslot < 0)) - newslot = x; - if (pri->dchans[x] == old) { - oldslot = x; - } - } - if (newslot < 0) { - newslot = 0; - ast_log(LOG_WARNING, "No D-channels available! Using Primary channel %d as D-channel anyway!\n", - pri->dchannels[newslot]); - } - if (old && (oldslot != newslot)) - ast_log(LOG_NOTICE, "Switching from from d-channel %d to channel %d!\n", - pri->dchannels[oldslot], pri->dchannels[newslot]); - pri->pri = pri->dchans[newslot]; - return 0; -} -#endif - -static int dahdi_hangup(struct ast_channel *ast) -{ - int res; - int index,x, law; - /*static int restore_gains(struct dahdi_pvt *p);*/ - struct dahdi_pvt *p = ast->tech_pvt; - struct dahdi_pvt *tmp = NULL; - struct dahdi_pvt *prev = NULL; - struct dahdi_params par; - - if (option_debug) - ast_log(LOG_DEBUG, "dahdi_hangup(%s)\n", ast->name); - if (!ast->tech_pvt) { - ast_log(LOG_WARNING, "Asked to hangup channel not connected\n"); - return 0; - } - - ast_mutex_lock(&p->lock); - - index = dahdi_get_index(ast, p, 1); - - if (p->sig == SIG_PRI) { - x = 1; - ast_channel_setoption(ast,AST_OPTION_AUDIO_MODE,&x,sizeof(char),0); - } - - x = 0; - dahdi_confmute(p, 0); - restore_gains(p); - if (p->origcid_num) { - ast_copy_string(p->cid_num, p->origcid_num, sizeof(p->cid_num)); - free(p->origcid_num); - p->origcid_num = NULL; - } - if (p->origcid_name) { - ast_copy_string(p->cid_name, p->origcid_name, sizeof(p->cid_name)); - free(p->origcid_name); - p->origcid_name = NULL; - } - if (p->dsp) - ast_dsp_digitmode(p->dsp,DSP_DIGITMODE_DTMF | p->dtmfrelax); - if (p->exten) - p->exten[0] = '\0'; - - if (option_debug) - ast_log(LOG_DEBUG, "Hangup: channel: %d index = %d, normal = %d, callwait = %d, thirdcall = %d\n", - p->channel, index, p->subs[SUB_REAL].dfd, p->subs[SUB_CALLWAIT].dfd, p->subs[SUB_THREEWAY].dfd); - p->ignoredtmf = 0; - - if (index > -1) { - /* Real channel, do some fixup */ - p->subs[index].owner = NULL; - p->subs[index].needanswer = 0; - p->subs[index].needflash = 0; - p->subs[index].needringing = 0; - p->subs[index].needbusy = 0; - p->subs[index].needcongestion = 0; - p->subs[index].linear = 0; - p->subs[index].needcallerid = 0; - p->polarity = POLARITY_IDLE; - dahdi_setlinear(p->subs[index].dfd, 0); - if (index == SUB_REAL) { - if ((p->subs[SUB_CALLWAIT].dfd > -1) && (p->subs[SUB_THREEWAY].dfd > -1)) { - ast_log(LOG_DEBUG, "Normal call hung up with both three way call and a call waiting call in place?\n"); - if (p->subs[SUB_CALLWAIT].inthreeway) { - /* We had flipped over to answer a callwait and now it's gone */ - ast_log(LOG_DEBUG, "We were flipped over to the callwait, moving back and unowning.\n"); - /* Move to the call-wait, but un-own us until they flip back. */ - swap_subs(p, SUB_CALLWAIT, SUB_REAL); - unalloc_sub(p, SUB_CALLWAIT); - p->owner = NULL; - } else { - /* The three way hung up, but we still have a call wait */ - ast_log(LOG_DEBUG, "We were in the threeway and have a callwait still. Ditching the threeway.\n"); - swap_subs(p, SUB_THREEWAY, SUB_REAL); - unalloc_sub(p, SUB_THREEWAY); - if (p->subs[SUB_REAL].inthreeway) { - /* This was part of a three way call. Immediately make way for - another call */ - ast_log(LOG_DEBUG, "Call was complete, setting owner to former third call\n"); - p->owner = p->subs[SUB_REAL].owner; - } else { - /* This call hasn't been completed yet... Set owner to NULL */ - ast_log(LOG_DEBUG, "Call was incomplete, setting owner to NULL\n"); - p->owner = NULL; - } - p->subs[SUB_REAL].inthreeway = 0; - } - } else if (p->subs[SUB_CALLWAIT].dfd > -1) { - /* Move to the call-wait and switch back to them. */ - swap_subs(p, SUB_CALLWAIT, SUB_REAL); - unalloc_sub(p, SUB_CALLWAIT); - p->owner = p->subs[SUB_REAL].owner; - if (p->owner->_state != AST_STATE_UP) - p->subs[SUB_REAL].needanswer = 1; - if (ast_bridged_channel(p->subs[SUB_REAL].owner)) - ast_queue_control(p->subs[SUB_REAL].owner, AST_CONTROL_UNHOLD); - } else if (p->subs[SUB_THREEWAY].dfd > -1) { - swap_subs(p, SUB_THREEWAY, SUB_REAL); - unalloc_sub(p, SUB_THREEWAY); - if (p->subs[SUB_REAL].inthreeway) { - /* This was part of a three way call. Immediately make way for - another call */ - ast_log(LOG_DEBUG, "Call was complete, setting owner to former third call\n"); - p->owner = p->subs[SUB_REAL].owner; - } else { - /* This call hasn't been completed yet... Set owner to NULL */ - ast_log(LOG_DEBUG, "Call was incomplete, setting owner to NULL\n"); - p->owner = NULL; - } - p->subs[SUB_REAL].inthreeway = 0; - } - } else if (index == SUB_CALLWAIT) { - /* Ditch the holding callwait call, and immediately make it availabe */ - if (p->subs[SUB_CALLWAIT].inthreeway) { - /* This is actually part of a three way, placed on hold. Place the third part - on music on hold now */ - if (p->subs[SUB_THREEWAY].owner && ast_bridged_channel(p->subs[SUB_THREEWAY].owner)) { - ast_queue_control_data(p->subs[SUB_THREEWAY].owner, AST_CONTROL_HOLD, - S_OR(p->mohsuggest, NULL), - !ast_strlen_zero(p->mohsuggest) ? strlen(p->mohsuggest) + 1 : 0); - } - p->subs[SUB_THREEWAY].inthreeway = 0; - /* Make it the call wait now */ - swap_subs(p, SUB_CALLWAIT, SUB_THREEWAY); - unalloc_sub(p, SUB_THREEWAY); - } else - unalloc_sub(p, SUB_CALLWAIT); - } else if (index == SUB_THREEWAY) { - if (p->subs[SUB_CALLWAIT].inthreeway) { - /* The other party of the three way call is currently in a call-wait state. - Start music on hold for them, and take the main guy out of the third call */ - if (p->subs[SUB_CALLWAIT].owner && ast_bridged_channel(p->subs[SUB_CALLWAIT].owner)) { - ast_queue_control_data(p->subs[SUB_CALLWAIT].owner, AST_CONTROL_HOLD, - S_OR(p->mohsuggest, NULL), - !ast_strlen_zero(p->mohsuggest) ? strlen(p->mohsuggest) + 1 : 0); - } - p->subs[SUB_CALLWAIT].inthreeway = 0; - } - p->subs[SUB_REAL].inthreeway = 0; - /* If this was part of a three way call index, let us make - another three way call */ - unalloc_sub(p, SUB_THREEWAY); - } else { - /* This wasn't any sort of call, but how are we an index? */ - ast_log(LOG_WARNING, "Index found but not any type of call?\n"); - } - } - - if (!p->subs[SUB_REAL].owner && !p->subs[SUB_CALLWAIT].owner && !p->subs[SUB_THREEWAY].owner) { - p->owner = NULL; - p->ringt = 0; - p->distinctivering = 0; - p->confirmanswer = 0; - p->cidrings = 1; - p->outgoing = 0; - p->digital = 0; - p->faxhandled = 0; - p->pulsedial = 0; - p->onhooktime = time(NULL); -#ifdef HAVE_PRI - p->proceeding = 0; - p->progress = 0; - p->alerting = 0; - p->setup_ack = 0; -#endif - if (p->dsp) { - ast_dsp_free(p->dsp); - p->dsp = NULL; - } - - law = DAHDI_LAW_DEFAULT; - res = ioctl(p->subs[SUB_REAL].dfd, DAHDI_SETLAW, &law); - if (res < 0) - ast_log(LOG_WARNING, "Unable to set law on channel %d to default: %s\n", p->channel, strerror(errno)); - /* Perform low level hangup if no owner left */ -#ifdef HAVE_PRI - if (p->pri) { -#ifdef SUPPORT_USERUSER - const char *useruser = pbx_builtin_getvar_helper(ast,"USERUSERINFO"); -#endif - - /* Make sure we have a call (or REALLY have a call in the case of a PRI) */ - if (p->call && (!p->bearer || (p->bearer->call == p->call))) { - if (!pri_grab(p, p->pri)) { - if (p->alreadyhungup) { - ast_log(LOG_DEBUG, "Already hungup... Calling hangup once, and clearing call\n"); - -#ifdef SUPPORT_USERUSER - pri_call_set_useruser(p->call, useruser); -#endif - - pri_hangup(p->pri->pri, p->call, -1); - p->call = NULL; - if (p->bearer) - p->bearer->call = NULL; - } else { - const char *cause = pbx_builtin_getvar_helper(ast,"PRI_CAUSE"); - int icause = ast->hangupcause ? ast->hangupcause : -1; - ast_log(LOG_DEBUG, "Not yet hungup... Calling hangup once with icause, and clearing call\n"); - -#ifdef SUPPORT_USERUSER - pri_call_set_useruser(p->call, useruser); -#endif - - p->alreadyhungup = 1; - if (p->bearer) - p->bearer->alreadyhungup = 1; - if (cause) { - if (atoi(cause)) - icause = atoi(cause); - } - pri_hangup(p->pri->pri, p->call, icause); - } - if (res < 0) - ast_log(LOG_WARNING, "pri_disconnect failed\n"); - pri_rel(p->pri); - } else { - ast_log(LOG_WARNING, "Unable to grab PRI on span %d\n", p->span); - res = -1; - } - } else { - if (p->bearer) - ast_log(LOG_DEBUG, "Bearer call is %p, while ours is still %p\n", p->bearer->call, p->call); - p->call = NULL; - res = 0; - } - } -#endif - if (p->sig && (p->sig != SIG_PRI)) - res = dahdi_set_hook(p->subs[SUB_REAL].dfd, DAHDI_ONHOOK); - if (res < 0) { - ast_log(LOG_WARNING, "Unable to hangup line %s\n", ast->name); - } - switch (p->sig) { - case SIG_FXOGS: - case SIG_FXOLS: - case SIG_FXOKS: - res = ioctl(p->subs[SUB_REAL].dfd, DAHDI_GET_PARAMS, &par); - if (!res) { -#if 0 - ast_log(LOG_DEBUG, "Hanging up channel %d, offhook = %d\n", p->channel, par.rxisoffhook); -#endif - /* If they're off hook, try playing congestion */ - if ((par.rxisoffhook) && (!(p->radio || (p->oprmode < 0)))) - tone_zone_play_tone(p->subs[SUB_REAL].dfd, DAHDI_TONE_CONGESTION); - else - tone_zone_play_tone(p->subs[SUB_REAL].dfd, -1); - } - break; - case SIG_FXSGS: - case SIG_FXSLS: - case SIG_FXSKS: - /* Make sure we're not made available for at least two seconds assuming - we were actually used for an inbound or outbound call. */ - if (ast->_state != AST_STATE_RESERVED) { - time(&p->guardtime); - p->guardtime += 2; - } - break; - default: - tone_zone_play_tone(p->subs[SUB_REAL].dfd, -1); - } - if (p->cidspill) - free(p->cidspill); - if (p->sig) - dahdi_disable_ec(p); - x = 0; - ast_channel_setoption(ast,AST_OPTION_TONE_VERIFY,&x,sizeof(char),0); - ast_channel_setoption(ast,AST_OPTION_TDD,&x,sizeof(char),0); - p->didtdd = 0; - p->cidspill = NULL; - p->callwaitcas = 0; - p->callwaiting = p->permcallwaiting; - p->hidecallerid = p->permhidecallerid; - p->dialing = 0; - p->rdnis[0] = '\0'; - update_conf(p); - reset_conf(p); - /* Restore data mode */ - if (p->sig == SIG_PRI) { - x = 0; - ast_channel_setoption(ast,AST_OPTION_AUDIO_MODE,&x,sizeof(char),0); - } -#ifdef HAVE_PRI - if (p->bearer) { - ast_log(LOG_DEBUG, "Freeing up bearer channel %d\n", p->bearer->channel); - /* Free up the bearer channel as well, and - don't use its file descriptor anymore */ - update_conf(p->bearer); - reset_conf(p->bearer); - p->bearer->owner = NULL; - p->bearer->realcall = NULL; - p->bearer = NULL; - p->subs[SUB_REAL].dfd = -1; - p->pri = NULL; - } -#endif - if (num_restart_pending == 0) - restart_monitor(); - } - - p->callwaitingrepeat = 0; - p->cidcwexpire = 0; - p->oprmode = 0; - ast->tech_pvt = NULL; - ast_mutex_unlock(&p->lock); - ast_module_unref(ast_module_info->self); - if (option_verbose > 2) - ast_verbose( VERBOSE_PREFIX_3 "Hungup '%s'\n", ast->name); - - ast_mutex_lock(&iflock); - - if (p->restartpending) { - num_restart_pending--; - } - - tmp = iflist; - prev = NULL; - if (p->destroy) { - while (tmp) { - if (tmp == p) { - destroy_channel(prev, tmp, 0); - break; - } else { - prev = tmp; - tmp = tmp->next; - } - } - } - ast_mutex_unlock(&iflock); - return 0; -} - -static int dahdi_answer(struct ast_channel *ast) -{ - struct dahdi_pvt *p = ast->tech_pvt; - int res = 0; - int index; - int oldstate = ast->_state; - ast_setstate(ast, AST_STATE_UP); - ast_mutex_lock(&p->lock); - index = dahdi_get_index(ast, p, 0); - if (index < 0) - index = SUB_REAL; - /* nothing to do if a radio channel */ - if ((p->radio || (p->oprmode < 0))) { - ast_mutex_unlock(&p->lock); - return 0; - } - switch (p->sig) { - case SIG_FXSLS: - case SIG_FXSGS: - case SIG_FXSKS: - p->ringt = 0; - /* Fall through */ - case SIG_EM: - case SIG_EM_E1: - case SIG_EMWINK: - case SIG_FEATD: - case SIG_FEATDMF: - case SIG_FEATDMF_TA: - case SIG_E911: - case SIG_FGC_CAMA: - case SIG_FGC_CAMAMF: - case SIG_FEATB: - case SIG_SF: - case SIG_SFWINK: - case SIG_SF_FEATD: - case SIG_SF_FEATDMF: - case SIG_SF_FEATB: - case SIG_FXOLS: - case SIG_FXOGS: - case SIG_FXOKS: - /* Pick up the line */ - ast_log(LOG_DEBUG, "Took %s off hook\n", ast->name); - if (p->hanguponpolarityswitch) { - gettimeofday(&p->polaritydelaytv, NULL); - } - res = dahdi_set_hook(p->subs[SUB_REAL].dfd, DAHDI_OFFHOOK); - tone_zone_play_tone(p->subs[index].dfd, -1); - p->dialing = 0; - if ((index == SUB_REAL) && p->subs[SUB_THREEWAY].inthreeway) { - if (oldstate == AST_STATE_RINGING) { - ast_log(LOG_DEBUG, "Finally swapping real and threeway\n"); - tone_zone_play_tone(p->subs[SUB_THREEWAY].dfd, -1); - swap_subs(p, SUB_THREEWAY, SUB_REAL); - p->owner = p->subs[SUB_REAL].owner; - } - } - if (p->sig & __DAHDI_SIG_FXS) { - dahdi_enable_ec(p); - dahdi_train_ec(p); - } - break; -#ifdef HAVE_PRI - case SIG_PRI: - /* Send a pri acknowledge */ - if (!pri_grab(p, p->pri)) { - p->proceeding = 1; - res = pri_answer(p->pri->pri, p->call, 0, !p->digital); - pri_rel(p->pri); - } else { - ast_log(LOG_WARNING, "Unable to grab PRI on span %d\n", p->span); - res = -1; - } - break; -#endif - case 0: - ast_mutex_unlock(&p->lock); - return 0; - default: - ast_log(LOG_WARNING, "Don't know how to answer signalling %d (channel %d)\n", p->sig, p->channel); - res = -1; - } - ast_mutex_unlock(&p->lock); - return res; -} - -static int dahdi_setoption(struct ast_channel *chan, int option, void *data, int datalen) -{ - char *cp; - signed char *scp; - int x; - int index; - struct dahdi_pvt *p = chan->tech_pvt, *pp; - struct oprmode *oprmode; - - - /* all supported options require data */ - if (!data || (datalen < 1)) { - errno = EINVAL; - return -1; - } - - switch (option) { - case AST_OPTION_TXGAIN: - scp = (signed char *) data; - index = dahdi_get_index(chan, p, 0); - if (index < 0) { - ast_log(LOG_WARNING, "No index in TXGAIN?\n"); - return -1; - } - if (option_debug) - ast_log(LOG_DEBUG, "Setting actual tx gain on %s to %f\n", chan->name, p->txgain + (float) *scp); - return set_actual_txgain(p->subs[index].dfd, 0, p->txgain + (float) *scp, p->law); - case AST_OPTION_RXGAIN: - scp = (signed char *) data; - index = dahdi_get_index(chan, p, 0); - if (index < 0) { - ast_log(LOG_WARNING, "No index in RXGAIN?\n"); - return -1; - } - if (option_debug) - ast_log(LOG_DEBUG, "Setting actual rx gain on %s to %f\n", chan->name, p->rxgain + (float) *scp); - return set_actual_rxgain(p->subs[index].dfd, 0, p->rxgain + (float) *scp, p->law); - case AST_OPTION_TONE_VERIFY: - if (!p->dsp) - break; - cp = (char *) data; - switch (*cp) { - case 1: - ast_log(LOG_DEBUG, "Set option TONE VERIFY, mode: MUTECONF(1) on %s\n",chan->name); - ast_dsp_digitmode(p->dsp,DSP_DIGITMODE_MUTECONF | p->dtmfrelax); /* set mute mode if desired */ - break; - case 2: - ast_log(LOG_DEBUG, "Set option TONE VERIFY, mode: MUTECONF/MAX(2) on %s\n",chan->name); - ast_dsp_digitmode(p->dsp,DSP_DIGITMODE_MUTECONF | DSP_DIGITMODE_MUTEMAX | p->dtmfrelax); /* set mute mode if desired */ - break; - default: - ast_log(LOG_DEBUG, "Set option TONE VERIFY, mode: OFF(0) on %s\n",chan->name); - ast_dsp_digitmode(p->dsp,DSP_DIGITMODE_DTMF | p->dtmfrelax); /* set mute mode if desired */ - break; - } - break; - case AST_OPTION_TDD: - /* turn on or off TDD */ - cp = (char *) data; - p->mate = 0; - if (!*cp) { /* turn it off */ - if (option_debug) - ast_log(LOG_DEBUG, "Set option TDD MODE, value: OFF(0) on %s\n",chan->name); - if (p->tdd) - tdd_free(p->tdd); - p->tdd = 0; - break; - } - ast_log(LOG_DEBUG, "Set option TDD MODE, value: %s(%d) on %s\n", - (*cp == 2) ? "MATE" : "ON", (int) *cp, chan->name); - dahdi_disable_ec(p); - /* otherwise, turn it on */ - if (!p->didtdd) { /* if havent done it yet */ - unsigned char mybuf[41000], *buf; - int size, res, fd, len; - struct pollfd fds[1]; - - buf = mybuf; - memset(buf, 0x7f, sizeof(mybuf)); /* set to silence */ - ast_tdd_gen_ecdisa(buf + 16000, 16000); /* put in tone */ - len = 40000; - index = dahdi_get_index(chan, p, 0); - if (index < 0) { - ast_log(LOG_WARNING, "No index in TDD?\n"); - return -1; - } - fd = p->subs[index].dfd; - while (len) { - if (ast_check_hangup(chan)) - return -1; - size = len; - if (size > READ_SIZE) - size = READ_SIZE; - fds[0].fd = fd; - fds[0].events = POLLPRI | POLLOUT; - fds[0].revents = 0; - res = poll(fds, 1, -1); - if (!res) { - ast_log(LOG_DEBUG, "poll (for write) ret. 0 on channel %d\n", p->channel); - continue; - } - /* if got exception */ - if (fds[0].revents & POLLPRI) - return -1; - if (!(fds[0].revents & POLLOUT)) { - ast_log(LOG_DEBUG, "write fd not ready on channel %d\n", p->channel); - continue; - } - res = write(fd, buf, size); - if (res != size) { - if (res == -1) return -1; - ast_log(LOG_DEBUG, "Write returned %d (%s) on channel %d\n", res, strerror(errno), p->channel); - break; - } - len -= size; - buf += size; - } - p->didtdd = 1; /* set to have done it now */ - } - if (*cp == 2) { /* Mate mode */ - if (p->tdd) - tdd_free(p->tdd); - p->tdd = 0; - p->mate = 1; - break; - } - if (!p->tdd) { /* if we dont have one yet */ - p->tdd = tdd_new(); /* allocate one */ - } - break; - case AST_OPTION_RELAXDTMF: /* Relax DTMF decoding (or not) */ - if (!p->dsp) - break; - cp = (char *) data; - ast_log(LOG_DEBUG, "Set option RELAX DTMF, value: %s(%d) on %s\n", - *cp ? "ON" : "OFF", (int) *cp, chan->name); - p->dtmfrelax = 0; - if (*cp) p->dtmfrelax = DSP_DIGITMODE_RELAXDTMF; - ast_dsp_digitmode(p->dsp, DSP_DIGITMODE_DTMF | p->dtmfrelax); - break; - case AST_OPTION_AUDIO_MODE: /* Set AUDIO mode (or not) */ - cp = (char *) data; - if (!*cp) { - ast_log(LOG_DEBUG, "Set option AUDIO MODE, value: OFF(0) on %s\n", chan->name); - x = 0; - dahdi_disable_ec(p); - } else { - ast_log(LOG_DEBUG, "Set option AUDIO MODE, value: ON(1) on %s\n", chan->name); - x = 1; - } - if (ioctl(p->subs[SUB_REAL].dfd, DAHDI_AUDIOMODE, &x) == -1) - ast_log(LOG_WARNING, "Unable to set audio mode on channel %d to %d: %s\n", p->channel, x, strerror(errno)); - break; - case AST_OPTION_OPRMODE: /* Operator services mode */ - oprmode = (struct oprmode *) data; - pp = oprmode->peer->tech_pvt; - p->oprmode = pp->oprmode = 0; - /* setup peers */ - p->oprpeer = pp; - pp->oprpeer = p; - /* setup modes, if any */ - if (oprmode->mode) - { - pp->oprmode = oprmode->mode; - p->oprmode = -oprmode->mode; - } - ast_log(LOG_DEBUG, "Set Operator Services mode, value: %d on %s/%s\n", - oprmode->mode, chan->name,oprmode->peer->name);; - break; - case AST_OPTION_ECHOCAN: - cp = (char *) data; - if (*cp) { - ast_log(LOG_DEBUG, "Enabling echo cancelation on %s\n", chan->name); - dahdi_enable_ec(p); - } else { - ast_log(LOG_DEBUG, "Disabling echo cancelation on %s\n", chan->name); - dahdi_disable_ec(p); - } - break; - } - errno = 0; - - return 0; -} - -static int dahdi_func_read(struct ast_channel *chan, char *function, char *data, char *buf, size_t len) -{ - struct dahdi_pvt *p = chan->tech_pvt; - - if (!strcasecmp(data, "rxgain")) { - ast_mutex_lock(&p->lock); - snprintf(buf, len, "%f", p->rxgain); - ast_mutex_unlock(&p->lock); - } else if (!strcasecmp(data, "txgain")) { - ast_mutex_lock(&p->lock); - snprintf(buf, len, "%f", p->txgain); - ast_mutex_unlock(&p->lock); - } else { - ast_copy_string(buf, "", len); - } - return 0; -} - - -static void dahdi_unlink(struct dahdi_pvt *slave, struct dahdi_pvt *master, int needlock) -{ - /* Unlink a specific slave or all slaves/masters from a given master */ - int x; - int hasslaves; - if (!master) - return; - if (needlock) { - ast_mutex_lock(&master->lock); - if (slave) { - while (ast_mutex_trylock(&slave->lock)) { - DEADLOCK_AVOIDANCE(&master->lock); - } - } - } - hasslaves = 0; - for (x = 0; x < MAX_SLAVES; x++) { - if (master->slaves[x]) { - if (!slave || (master->slaves[x] == slave)) { - /* Take slave out of the conference */ - ast_log(LOG_DEBUG, "Unlinking slave %d from %d\n", master->slaves[x]->channel, master->channel); - conf_del(master, &master->slaves[x]->subs[SUB_REAL], SUB_REAL); - conf_del(master->slaves[x], &master->subs[SUB_REAL], SUB_REAL); - master->slaves[x]->master = NULL; - master->slaves[x] = NULL; - } else - hasslaves = 1; - } - if (!hasslaves) - master->inconference = 0; - } - if (!slave) { - if (master->master) { - /* Take master out of the conference */ - conf_del(master->master, &master->subs[SUB_REAL], SUB_REAL); - conf_del(master, &master->master->subs[SUB_REAL], SUB_REAL); - hasslaves = 0; - for (x = 0; x < MAX_SLAVES; x++) { - if (master->master->slaves[x] == master) - master->master->slaves[x] = NULL; - else if (master->master->slaves[x]) - hasslaves = 1; - } - if (!hasslaves) - master->master->inconference = 0; - } - master->master = NULL; - } - update_conf(master); - if (needlock) { - if (slave) - ast_mutex_unlock(&slave->lock); - ast_mutex_unlock(&master->lock); - } -} - -static void dahdi_link(struct dahdi_pvt *slave, struct dahdi_pvt *master) { - int x; - if (!slave || !master) { - ast_log(LOG_WARNING, "Tried to link to/from NULL??\n"); - return; - } - for (x = 0; x < MAX_SLAVES; x++) { - if (!master->slaves[x]) { - master->slaves[x] = slave; - break; - } - } - if (x >= MAX_SLAVES) { - ast_log(LOG_WARNING, "Replacing slave %d with new slave, %d\n", master->slaves[MAX_SLAVES - 1]->channel, slave->channel); - master->slaves[MAX_SLAVES - 1] = slave; - } - if (slave->master) - ast_log(LOG_WARNING, "Replacing master %d with new master, %d\n", slave->master->channel, master->channel); - slave->master = master; - - ast_log(LOG_DEBUG, "Making %d slave to master %d at %d\n", slave->channel, master->channel, x); -} - -static void disable_dtmf_detect(struct dahdi_pvt *p) -{ -#ifdef DAHDI_TONEDETECT - int val; -#endif - - p->ignoredtmf = 1; - -#ifdef DAHDI_TONEDETECT - val = 0; - ioctl(p->subs[SUB_REAL].dfd, DAHDI_TONEDETECT, &val); -#endif - if (!p->hardwaredtmf && p->dsp) { - p->dsp_features &= ~DSP_FEATURE_DTMF_DETECT; - ast_dsp_set_features(p->dsp, p->dsp_features); - } -} - -static void enable_dtmf_detect(struct dahdi_pvt *p) -{ -#ifdef DAHDI_TONEDETECT - int val; -#endif - - if (p->channel == CHAN_PSEUDO) - return; - - p->ignoredtmf = 0; - -#ifdef DAHDI_TONEDETECT - val = DAHDI_TONEDETECT_ON | DAHDI_TONEDETECT_MUTE; - ioctl(p->subs[SUB_REAL].dfd, DAHDI_TONEDETECT, &val); -#endif - if (!p->hardwaredtmf && p->dsp) { - p->dsp_features |= DSP_FEATURE_DTMF_DETECT; - ast_dsp_set_features(p->dsp, p->dsp_features); - } -} - -static enum ast_bridge_result dahdi_bridge(struct ast_channel *c0, struct ast_channel *c1, int flags, struct ast_frame **fo, struct ast_channel **rc, int timeoutms) -{ - struct ast_channel *who; - struct dahdi_pvt *p0, *p1, *op0, *op1; - struct dahdi_pvt *master = NULL, *slave = NULL; - struct ast_frame *f; - int inconf = 0; - int nothingok = 1; - int ofd0, ofd1; - int oi0, oi1, i0 = -1, i1 = -1, t0, t1; - int os0 = -1, os1 = -1; - int priority = 0; - struct ast_channel *oc0, *oc1; - enum ast_bridge_result res; - -#ifdef PRI_2BCT - int triedtopribridge = 0; - q931_call *q931c0 = NULL, *q931c1 = NULL; -#endif - - /* For now, don't attempt to native bridge if either channel needs DTMF detection. - There is code below to handle it properly until DTMF is actually seen, - but due to currently unresolved issues it's ignored... - */ - - if (flags & (AST_BRIDGE_DTMF_CHANNEL_0 | AST_BRIDGE_DTMF_CHANNEL_1)) - return AST_BRIDGE_FAILED_NOWARN; - - ast_mutex_lock(&c0->lock); - while (ast_mutex_trylock(&c1->lock)) { - DEADLOCK_AVOIDANCE(&c0->lock); - } - - p0 = c0->tech_pvt; - p1 = c1->tech_pvt; - /* cant do pseudo-channels here */ - if (!p0 || (!p0->sig) || !p1 || (!p1->sig)) { - ast_mutex_unlock(&c0->lock); - ast_mutex_unlock(&c1->lock); - return AST_BRIDGE_FAILED_NOWARN; - } - - oi0 = dahdi_get_index(c0, p0, 0); - oi1 = dahdi_get_index(c1, p1, 0); - if ((oi0 < 0) || (oi1 < 0)) { - ast_mutex_unlock(&c0->lock); - ast_mutex_unlock(&c1->lock); - return AST_BRIDGE_FAILED; - } - - op0 = p0 = c0->tech_pvt; - op1 = p1 = c1->tech_pvt; - ofd0 = c0->fds[0]; - ofd1 = c1->fds[0]; - oc0 = p0->owner; - oc1 = p1->owner; - - if (ast_mutex_trylock(&p0->lock)) { - /* Don't block, due to potential for deadlock */ - ast_mutex_unlock(&c0->lock); - ast_mutex_unlock(&c1->lock); - ast_log(LOG_NOTICE, "Avoiding deadlock...\n"); - return AST_BRIDGE_RETRY; - } - if (ast_mutex_trylock(&p1->lock)) { - /* Don't block, due to potential for deadlock */ - ast_mutex_unlock(&p0->lock); - ast_mutex_unlock(&c0->lock); - ast_mutex_unlock(&c1->lock); - ast_log(LOG_NOTICE, "Avoiding deadlock...\n"); - return AST_BRIDGE_RETRY; - } - - if ((oi0 == SUB_REAL) && (oi1 == SUB_REAL)) { - if (p0->owner && p1->owner) { - /* If we don't have a call-wait in a 3-way, and we aren't in a 3-way, we can be master */ - if (!p0->subs[SUB_CALLWAIT].inthreeway && !p1->subs[SUB_REAL].inthreeway) { - master = p0; - slave = p1; - inconf = 1; - } else if (!p1->subs[SUB_CALLWAIT].inthreeway && !p0->subs[SUB_REAL].inthreeway) { - master = p1; - slave = p0; - inconf = 1; - } else { - ast_log(LOG_WARNING, "Huh? Both calls are callwaits or 3-ways? That's clever...?\n"); - ast_log(LOG_WARNING, "p0: chan %d/%d/CW%d/3W%d, p1: chan %d/%d/CW%d/3W%d\n", - p0->channel, - oi0, (p0->subs[SUB_CALLWAIT].dfd > -1) ? 1 : 0, - p0->subs[SUB_REAL].inthreeway, p0->channel, - oi0, (p1->subs[SUB_CALLWAIT].dfd > -1) ? 1 : 0, - p1->subs[SUB_REAL].inthreeway); - } - nothingok = 0; - } - } else if ((oi0 == SUB_REAL) && (oi1 == SUB_THREEWAY)) { - if (p1->subs[SUB_THREEWAY].inthreeway) { - master = p1; - slave = p0; - nothingok = 0; - } - } else if ((oi0 == SUB_THREEWAY) && (oi1 == SUB_REAL)) { - if (p0->subs[SUB_THREEWAY].inthreeway) { - master = p0; - slave = p1; - nothingok = 0; - } - } else if ((oi0 == SUB_REAL) && (oi1 == SUB_CALLWAIT)) { - /* We have a real and a call wait. If we're in a three way call, put us in it, otherwise, - don't put us in anything */ - if (p1->subs[SUB_CALLWAIT].inthreeway) { - master = p1; - slave = p0; - nothingok = 0; - } - } else if ((oi0 == SUB_CALLWAIT) && (oi1 == SUB_REAL)) { - /* Same as previous */ - if (p0->subs[SUB_CALLWAIT].inthreeway) { - master = p0; - slave = p1; - nothingok = 0; - } - } - ast_log(LOG_DEBUG, "master: %d, slave: %d, nothingok: %d\n", - master ? master->channel : 0, slave ? slave->channel : 0, nothingok); - if (master && slave) { - /* Stop any tones, or play ringtone as appropriate. If they're bridged - in an active threeway call with a channel that is ringing, we should - indicate ringing. */ - if ((oi1 == SUB_THREEWAY) && - p1->subs[SUB_THREEWAY].inthreeway && - p1->subs[SUB_REAL].owner && - p1->subs[SUB_REAL].inthreeway && - (p1->subs[SUB_REAL].owner->_state == AST_STATE_RINGING)) { - ast_log(LOG_DEBUG, "Playing ringback on %s since %s is in a ringing three-way\n", c0->name, c1->name); - tone_zone_play_tone(p0->subs[oi0].dfd, DAHDI_TONE_RINGTONE); - os1 = p1->subs[SUB_REAL].owner->_state; - } else { - ast_log(LOG_DEBUG, "Stopping tones on %d/%d talking to %d/%d\n", p0->channel, oi0, p1->channel, oi1); - tone_zone_play_tone(p0->subs[oi0].dfd, -1); - } - if ((oi0 == SUB_THREEWAY) && - p0->subs[SUB_THREEWAY].inthreeway && - p0->subs[SUB_REAL].owner && - p0->subs[SUB_REAL].inthreeway && - (p0->subs[SUB_REAL].owner->_state == AST_STATE_RINGING)) { - ast_log(LOG_DEBUG, "Playing ringback on %s since %s is in a ringing three-way\n", c1->name, c0->name); - tone_zone_play_tone(p1->subs[oi1].dfd, DAHDI_TONE_RINGTONE); - os0 = p0->subs[SUB_REAL].owner->_state; - } else { - ast_log(LOG_DEBUG, "Stopping tones on %d/%d talking to %d/%d\n", p1->channel, oi1, p0->channel, oi0); - tone_zone_play_tone(p1->subs[oi0].dfd, -1); - } - if ((oi0 == SUB_REAL) && (oi1 == SUB_REAL)) { - if (!p0->echocanbridged || !p1->echocanbridged) { - /* Disable echo cancellation if appropriate */ - dahdi_disable_ec(p0); - dahdi_disable_ec(p1); - } - } - dahdi_link(slave, master); - master->inconference = inconf; - } else if (!nothingok) - ast_log(LOG_WARNING, "Can't link %d/%s with %d/%s\n", p0->channel, subnames[oi0], p1->channel, subnames[oi1]); - - update_conf(p0); - update_conf(p1); - t0 = p0->subs[SUB_REAL].inthreeway; - t1 = p1->subs[SUB_REAL].inthreeway; - - ast_mutex_unlock(&p0->lock); - ast_mutex_unlock(&p1->lock); - - ast_mutex_unlock(&c0->lock); - ast_mutex_unlock(&c1->lock); - - /* Native bridge failed */ - if ((!master || !slave) && !nothingok) { - dahdi_enable_ec(p0); - dahdi_enable_ec(p1); - return AST_BRIDGE_FAILED; - } - - if (option_verbose > 2) - ast_verbose(VERBOSE_PREFIX_3 "Native bridging %s and %s\n", c0->name, c1->name); - - if (!(flags & AST_BRIDGE_DTMF_CHANNEL_0) && (oi0 == SUB_REAL)) - disable_dtmf_detect(op0); - - if (!(flags & AST_BRIDGE_DTMF_CHANNEL_1) && (oi1 == SUB_REAL)) - disable_dtmf_detect(op1); - - for (;;) { - struct ast_channel *c0_priority[2] = {c0, c1}; - struct ast_channel *c1_priority[2] = {c1, c0}; - - /* Here's our main loop... Start by locking things, looking for private parts, - and then balking if anything is wrong */ - ast_mutex_lock(&c0->lock); - while (ast_mutex_trylock(&c1->lock)) { - DEADLOCK_AVOIDANCE(&c0->lock); - } - - p0 = c0->tech_pvt; - p1 = c1->tech_pvt; - - if (op0 == p0) - i0 = dahdi_get_index(c0, p0, 1); - if (op1 == p1) - i1 = dahdi_get_index(c1, p1, 1); - ast_mutex_unlock(&c0->lock); - ast_mutex_unlock(&c1->lock); - - if (!timeoutms || - (op0 != p0) || - (op1 != p1) || - (ofd0 != c0->fds[0]) || - (ofd1 != c1->fds[0]) || - (p0->subs[SUB_REAL].owner && (os0 > -1) && (os0 != p0->subs[SUB_REAL].owner->_state)) || - (p1->subs[SUB_REAL].owner && (os1 > -1) && (os1 != p1->subs[SUB_REAL].owner->_state)) || - (oc0 != p0->owner) || - (oc1 != p1->owner) || - (t0 != p0->subs[SUB_REAL].inthreeway) || - (t1 != p1->subs[SUB_REAL].inthreeway) || - (oi0 != i0) || - (oi1 != i1)) { - ast_log(LOG_DEBUG, "Something changed out on %d/%d to %d/%d, returning -3 to restart\n", - op0->channel, oi0, op1->channel, oi1); - res = AST_BRIDGE_RETRY; - goto return_from_bridge; - } - -#ifdef PRI_2BCT - q931c0 = p0->call; - q931c1 = p1->call; - if (p0->transfer && p1->transfer - && q931c0 && q931c1 - && !triedtopribridge) { - pri_channel_bridge(q931c0, q931c1); - triedtopribridge = 1; - } -#endif - - who = ast_waitfor_n(priority ? c0_priority : c1_priority, 2, &timeoutms); - if (!who) { - ast_log(LOG_DEBUG, "Ooh, empty read...\n"); - continue; - } - f = ast_read(who); - if (!f || (f->frametype == AST_FRAME_CONTROL)) { - *fo = f; - *rc = who; - res = AST_BRIDGE_COMPLETE; - goto return_from_bridge; - } - if (f->frametype == AST_FRAME_DTMF) { - if ((who == c0) && p0->pulsedial) { - ast_write(c1, f); - } else if ((who == c1) && p1->pulsedial) { - ast_write(c0, f); - } else { - *fo = f; - *rc = who; - res = AST_BRIDGE_COMPLETE; - goto return_from_bridge; - } - } - ast_frfree(f); - - /* Swap who gets priority */ - priority = !priority; - } - -return_from_bridge: - if (op0 == p0) - dahdi_enable_ec(p0); - - if (op1 == p1) - dahdi_enable_ec(p1); - - if (!(flags & AST_BRIDGE_DTMF_CHANNEL_0) && (oi0 == SUB_REAL)) - enable_dtmf_detect(op0); - - if (!(flags & AST_BRIDGE_DTMF_CHANNEL_1) && (oi1 == SUB_REAL)) - enable_dtmf_detect(op1); - - dahdi_unlink(slave, master, 1); - - return res; -} - -static int dahdi_fixup(struct ast_channel *oldchan, struct ast_channel *newchan) -{ - struct dahdi_pvt *p = newchan->tech_pvt; - int x; - ast_mutex_lock(&p->lock); - ast_log(LOG_DEBUG, "New owner for channel %d is %s\n", p->channel, newchan->name); - if (p->owner == oldchan) { - p->owner = newchan; - } - for (x = 0; x < 3; x++) - if (p->subs[x].owner == oldchan) { - if (!x) - dahdi_unlink(NULL, p, 0); - p->subs[x].owner = newchan; - } - if (newchan->_state == AST_STATE_RINGING) - dahdi_indicate(newchan, AST_CONTROL_RINGING, NULL, 0); - update_conf(p); - ast_mutex_unlock(&p->lock); - return 0; -} - -static int dahdi_ring_phone(struct dahdi_pvt *p) -{ - int x; - int res; - /* Make sure our transmit state is on hook */ - x = 0; - x = DAHDI_ONHOOK; - res = ioctl(p->subs[SUB_REAL].dfd, DAHDI_HOOK, &x); - do { - x = DAHDI_RING; - res = ioctl(p->subs[SUB_REAL].dfd, DAHDI_HOOK, &x); - if (res) { - switch (errno) { - case EBUSY: - case EINTR: - /* Wait just in case */ - usleep(10000); - continue; - case EINPROGRESS: - res = 0; - break; - default: - ast_log(LOG_WARNING, "Couldn't ring the phone: %s\n", strerror(errno)); - res = 0; - } - } - } while (res); - return res; -} - -static void *ss_thread(void *data); - -static struct ast_channel *dahdi_new(struct dahdi_pvt *, int, int, int, int, int); - -static int attempt_transfer(struct dahdi_pvt *p) -{ - /* In order to transfer, we need at least one of the channels to - actually be in a call bridge. We can't conference two applications - together (but then, why would we want to?) */ - if (ast_bridged_channel(p->subs[SUB_REAL].owner)) { - /* The three-way person we're about to transfer to could still be in MOH, so - stop if now if appropriate */ - if (ast_bridged_channel(p->subs[SUB_THREEWAY].owner)) - ast_queue_control(p->subs[SUB_THREEWAY].owner, AST_CONTROL_UNHOLD); - if (p->subs[SUB_REAL].owner->_state == AST_STATE_RINGING) { - ast_indicate(ast_bridged_channel(p->subs[SUB_REAL].owner), AST_CONTROL_RINGING); - } - if (p->subs[SUB_THREEWAY].owner->_state == AST_STATE_RING) { - tone_zone_play_tone(p->subs[SUB_THREEWAY].dfd, DAHDI_TONE_RINGTONE); - } - if (ast_channel_masquerade(p->subs[SUB_THREEWAY].owner, ast_bridged_channel(p->subs[SUB_REAL].owner))) { - ast_log(LOG_WARNING, "Unable to masquerade %s as %s\n", - ast_bridged_channel(p->subs[SUB_REAL].owner)->name, p->subs[SUB_THREEWAY].owner->name); - return -1; - } - /* Orphan the channel after releasing the lock */ - ast_mutex_unlock(&p->subs[SUB_THREEWAY].owner->lock); - unalloc_sub(p, SUB_THREEWAY); - } else if (ast_bridged_channel(p->subs[SUB_THREEWAY].owner)) { - ast_queue_control(p->subs[SUB_REAL].owner, AST_CONTROL_UNHOLD); - if (p->subs[SUB_THREEWAY].owner->_state == AST_STATE_RINGING) { - ast_indicate(ast_bridged_channel(p->subs[SUB_THREEWAY].owner), AST_CONTROL_RINGING); - } - if (p->subs[SUB_REAL].owner->_state == AST_STATE_RING) { - tone_zone_play_tone(p->subs[SUB_REAL].dfd, DAHDI_TONE_RINGTONE); - } - if (ast_channel_masquerade(p->subs[SUB_REAL].owner, ast_bridged_channel(p->subs[SUB_THREEWAY].owner))) { - ast_log(LOG_WARNING, "Unable to masquerade %s as %s\n", - ast_bridged_channel(p->subs[SUB_THREEWAY].owner)->name, p->subs[SUB_REAL].owner->name); - return -1; - } - /* Three-way is now the REAL */ - swap_subs(p, SUB_THREEWAY, SUB_REAL); - ast_mutex_unlock(&p->subs[SUB_REAL].owner->lock); - unalloc_sub(p, SUB_THREEWAY); - /* Tell the caller not to hangup */ - return 1; - } else { - ast_log(LOG_DEBUG, "Neither %s nor %s are in a bridge, nothing to transfer\n", - p->subs[SUB_REAL].owner->name, p->subs[SUB_THREEWAY].owner->name); - p->subs[SUB_THREEWAY].owner->_softhangup |= AST_SOFTHANGUP_DEV; - return -1; - } - return 0; -} - -static int check_for_conference(struct dahdi_pvt *p) -{ - struct dahdi_confinfo ci; - /* Fine if we already have a master, etc */ - if (p->master || (p->confno > -1)) - return 0; - memset(&ci, 0, sizeof(ci)); - if (ioctl(p->subs[SUB_REAL].dfd, DAHDI_GETCONF, &ci)) { - ast_log(LOG_WARNING, "Failed to get conference info on channel %d: %s\n", p->channel, strerror(errno)); - return 0; - } - /* If we have no master and don't have a confno, then - if we're in a conference, it's probably a MeetMe room or - some such, so don't let us 3-way out! */ - if ((p->subs[SUB_REAL].curconf.confno != ci.confno) || (p->subs[SUB_REAL].curconf.confmode != ci.confmode)) { - if (option_verbose > 2) - ast_verbose(VERBOSE_PREFIX_3 "Avoiding 3-way call when in an external conference\n"); - return 1; - } - return 0; -} - -static int get_alarms(struct dahdi_pvt *p) -{ - int res; - struct dahdi_spaninfo zi; -#if !defined(HAVE_ZAPTEL) || defined(HAVE_ZAPTEL_CHANALARMS) - /* - * The conditional compilation is needed only in asterisk-1.4 for - * backward compatibility with old zaptel drivers that don't have - * a DAHDI_PARAMS.chan_alarms field. - */ - struct dahdi_params params; -#endif - - memset(&zi, 0, sizeof(zi)); - zi.spanno = p->span; - - /* First check for span alarms */ - if((res = ioctl(p->subs[SUB_REAL].dfd, DAHDI_SPANSTAT, &zi)) < 0) { - ast_log(LOG_WARNING, "Unable to determine alarm on channel %d: %s\n", p->channel, strerror(errno)); - return 0; - } - if (zi.alarms != DAHDI_ALARM_NONE) - return zi.alarms; -#if !defined(HAVE_ZAPTEL) || defined(HAVE_ZAPTEL_CHANALARMS) - /* No alarms on the span. Check for channel alarms. */ - if ((res = ioctl(p->subs[SUB_REAL].dfd, DAHDI_GET_PARAMS, ¶ms)) >= 0) - return params.chan_alarms; - /* ioctl failed */ - ast_log(LOG_WARNING, "Unable to determine alarm on channel %d\n", p->channel); -#endif - return DAHDI_ALARM_NONE; -} - -static void dahdi_handle_dtmfup(struct ast_channel *ast, int index, struct ast_frame **dest) -{ - struct dahdi_pvt *p = ast->tech_pvt; - struct ast_frame *f = *dest; - - if (option_debug) - ast_log(LOG_DEBUG, "DTMF digit: %c on %s\n", f->subclass, ast->name); - - if (p->confirmanswer) { - if (option_debug) - ast_log(LOG_DEBUG, "Confirm answer on %s!\n", ast->name); - /* Upon receiving a DTMF digit, consider this an answer confirmation instead - of a DTMF digit */ - p->subs[index].f.frametype = AST_FRAME_CONTROL; - p->subs[index].f.subclass = AST_CONTROL_ANSWER; - *dest = &p->subs[index].f; - /* Reset confirmanswer so DTMF's will behave properly for the duration of the call */ - p->confirmanswer = 0; - } else if (p->callwaitcas) { - if ((f->subclass == 'A') || (f->subclass == 'D')) { - if (option_debug) - ast_log(LOG_DEBUG, "Got some DTMF, but it's for the CAS\n"); - if (p->cidspill) - free(p->cidspill); - send_cwcidspill(p); - } - if ((f->subclass != 'm') && (f->subclass != 'u')) - p->callwaitcas = 0; - p->subs[index].f.frametype = AST_FRAME_NULL; - p->subs[index].f.subclass = 0; - *dest = &p->subs[index].f; - } else if (f->subclass == 'f') { - /* Fax tone -- Handle and return NULL */ - if ((p->callprogress & 0x6) && !p->faxhandled) { - p->faxhandled++; - if (strcmp(ast->exten, "fax")) { - const char *target_context = S_OR(ast->macrocontext, ast->context); - - /* We need to unlock 'ast' here because ast_exists_extension has the - * potential to start autoservice on the channel. Such action is prone - * to deadlock. - */ - ast_mutex_unlock(&p->lock); - ast_channel_unlock(ast); - if (ast_exists_extension(ast, target_context, "fax", 1, ast->cid.cid_num)) { - ast_channel_lock(ast); - ast_mutex_lock(&p->lock); - if (option_verbose > 2) - ast_verbose(VERBOSE_PREFIX_3 "Redirecting %s to fax extension\n", ast->name); - /* Save the DID/DNIS when we transfer the fax call to a "fax" extension */ - pbx_builtin_setvar_helper(ast, "FAXEXTEN", ast->exten); - if (ast_async_goto(ast, target_context, "fax", 1)) - ast_log(LOG_WARNING, "Failed to async goto '%s' into fax of '%s'\n", ast->name, target_context); - } else { - ast_channel_lock(ast); - ast_mutex_lock(&p->lock); - ast_log(LOG_NOTICE, "Fax detected, but no fax extension\n"); - } - } else if (option_debug) - ast_log(LOG_DEBUG, "Already in a fax extension, not redirecting\n"); - } else if (option_debug) - ast_log(LOG_DEBUG, "Fax already handled\n"); - dahdi_confmute(p, 0); - p->subs[index].f.frametype = AST_FRAME_NULL; - p->subs[index].f.subclass = 0; - *dest = &p->subs[index].f; - } else if (f->subclass == 'm') { - /* Confmute request */ - dahdi_confmute(p, 1); - p->subs[index].f.frametype = AST_FRAME_NULL; - p->subs[index].f.subclass = 0; - *dest = &p->subs[index].f; - } else if (f->subclass == 'u') { - /* Unmute */ - dahdi_confmute(p, 0); - p->subs[index].f.frametype = AST_FRAME_NULL; - p->subs[index].f.subclass = 0; - *dest = &p->subs[index].f; - } else - dahdi_confmute(p, 0); -} - -static void handle_alarms(struct dahdi_pvt *p, int alarms) -{ - const char *alarm_str = alarm2str(alarms); - - /* hack alert! Zaptel 1.4 and DAHDI expose FXO battery as an alarm, but this code - * doesn't know what to do with it. Don't confuse users with log messages. */ - if (!strcasecmp(alarm_str, "No Alarm") || !strcasecmp(alarm_str, "Unknown Alarm")) { - p->unknown_alarm = 1; - return; - } else { - p->unknown_alarm = 0; - } - - ast_log(LOG_WARNING, "Detected alarm on channel %d: %s\n", p->channel, alarm_str); - manager_event(EVENT_FLAG_SYSTEM, "Alarm", - "Alarm: %s\r\n" - "Channel: %d\r\n", - alarm_str, p->channel); -} - -static struct ast_frame *dahdi_handle_event(struct ast_channel *ast) -{ - int res, x; - int index, mysig; - char *c; - struct dahdi_pvt *p = ast->tech_pvt; - pthread_t threadid; - pthread_attr_t attr; - struct ast_channel *chan; - struct ast_frame *f; - - index = dahdi_get_index(ast, p, 0); - mysig = p->sig; - if (p->outsigmod > -1) - mysig = p->outsigmod; - p->subs[index].f.frametype = AST_FRAME_NULL; - p->subs[index].f.subclass = 0; - p->subs[index].f.datalen = 0; - p->subs[index].f.samples = 0; - p->subs[index].f.mallocd = 0; - p->subs[index].f.offset = 0; - p->subs[index].f.src = "dahdi_handle_event"; - p->subs[index].f.data = NULL; - f = &p->subs[index].f; - - if (index < 0) - return &p->subs[index].f; - if (p->fake_event) { - res = p->fake_event; - p->fake_event = 0; - } else - res = dahdi_get_event(p->subs[index].dfd); - - if (option_debug) - ast_log(LOG_DEBUG, "Got event %s(%d) on channel %d (index %d)\n", event2str(res), res, p->channel, index); - - if (res & (DAHDI_EVENT_PULSEDIGIT | DAHDI_EVENT_DTMFUP)) { - p->pulsedial = (res & DAHDI_EVENT_PULSEDIGIT) ? 1 : 0; - - ast_log(LOG_DEBUG, "Detected %sdigit '%c'\n", p->pulsedial ? "pulse ": "", res & 0xff); -#ifdef HAVE_PRI - if (!p->proceeding && p->sig == SIG_PRI && p->pri && p->pri->overlapdial) { - /* absorb event */ - } else { -#endif - p->subs[index].f.frametype = AST_FRAME_DTMF_END; - p->subs[index].f.subclass = res & 0xff; -#ifdef HAVE_PRI - } -#endif - dahdi_handle_dtmfup(ast, index, &f); - return f; - } - - if (res & DAHDI_EVENT_DTMFDOWN) { - if (option_debug) - ast_log(LOG_DEBUG, "DTMF Down '%c'\n", res & 0xff); - /* Mute conference */ - dahdi_confmute(p, 1); - p->subs[index].f.frametype = AST_FRAME_DTMF_BEGIN; - p->subs[index].f.subclass = res & 0xff; - return &p->subs[index].f; - } - - switch (res) { -#ifdef DAHDI_EVENT_EC_DISABLED - case DAHDI_EVENT_EC_DISABLED: - if (option_verbose > 2) - ast_verbose(VERBOSE_PREFIX_3 "Channel %d echo canceler disabled due to CED detection\n", p->channel); - p->echocanon = 0; - break; -#endif - case DAHDI_EVENT_BITSCHANGED: - ast_log(LOG_WARNING, "Recieved bits changed on %s signalling?\n", sig2str(p->sig)); - case DAHDI_EVENT_PULSE_START: - /* Stop tone if there's a pulse start and the PBX isn't started */ - if (!ast->pbx) - tone_zone_play_tone(p->subs[index].dfd, -1); - break; - case DAHDI_EVENT_DIALCOMPLETE: - if (p->inalarm) break; - if ((p->radio || (p->oprmode < 0))) break; - if (ioctl(p->subs[index].dfd,DAHDI_DIALING,&x) == -1) { - ast_log(LOG_DEBUG, "DAHDI_DIALING ioctl failed on %s: %s\n",ast->name, strerror(errno)); - return NULL; - } - if (!x) { /* if not still dialing in driver */ - dahdi_enable_ec(p); - if (p->echobreak) { - dahdi_train_ec(p); - ast_copy_string(p->dop.dialstr, p->echorest, sizeof(p->dop.dialstr)); - p->dop.op = DAHDI_DIAL_OP_REPLACE; - res = ioctl(p->subs[SUB_REAL].dfd, DAHDI_DIAL, &p->dop); - p->echobreak = 0; - } else { - p->dialing = 0; - if ((mysig == SIG_E911) || (mysig == SIG_FGC_CAMA) || (mysig == SIG_FGC_CAMAMF)) { - /* if thru with dialing after offhook */ - if (ast->_state == AST_STATE_DIALING_OFFHOOK) { - ast_setstate(ast, AST_STATE_UP); - p->subs[index].f.frametype = AST_FRAME_CONTROL; - p->subs[index].f.subclass = AST_CONTROL_ANSWER; - break; - } else { /* if to state wait for offhook to dial rest */ - /* we now wait for off hook */ - ast_setstate(ast,AST_STATE_DIALING_OFFHOOK); - } - } - if (ast->_state == AST_STATE_DIALING) { - if ((p->callprogress & 1) && CANPROGRESSDETECT(p) && p->dsp && p->outgoing) { - ast_log(LOG_DEBUG, "Done dialing, but waiting for progress detection before doing more...\n"); - } else if (p->confirmanswer || (!p->dialednone && ((mysig == SIG_EM) || (mysig == SIG_EM_E1) || (mysig == SIG_EMWINK) || (mysig == SIG_FEATD) || (mysig == SIG_FEATDMF_TA) || (mysig == SIG_FEATDMF) || (mysig == SIG_E911) || (mysig == SIG_FGC_CAMA) || (mysig == SIG_FGC_CAMAMF) || (mysig == SIG_FEATB) || (mysig == SIG_SF) || (mysig == SIG_SFWINK) || (mysig == SIG_SF_FEATD) || (mysig == SIG_SF_FEATDMF) || (mysig == SIG_SF_FEATB)))) { - ast_setstate(ast, AST_STATE_RINGING); - } else if (!p->answeronpolarityswitch) { - ast_setstate(ast, AST_STATE_UP); - p->subs[index].f.frametype = AST_FRAME_CONTROL; - p->subs[index].f.subclass = AST_CONTROL_ANSWER; - /* If aops=0 and hops=1, this is necessary */ - p->polarity = POLARITY_REV; - } else { - /* Start clean, so we can catch the change to REV polarity when party answers */ - p->polarity = POLARITY_IDLE; - } - } - } - } - break; - case DAHDI_EVENT_ALARM: -#ifdef HAVE_PRI - if (!p->pri || !p->pri->pri || (pri_get_timer(p->pri->pri, PRI_TIMER_T309) < 0)) { - /* T309 is not enabled : hangup calls when alarm occurs */ - if (p->call) { - if (p->pri && p->pri->pri) { - if (!pri_grab(p, p->pri)) { - pri_hangup(p->pri->pri, p->call, -1); - pri_destroycall(p->pri->pri, p->call); - p->call = NULL; - pri_rel(p->pri); - } else - ast_log(LOG_WARNING, "Failed to grab PRI!\n"); - } else - ast_log(LOG_WARNING, "The PRI Call has not been destroyed\n"); - } - if (p->owner) - p->owner->_softhangup |= AST_SOFTHANGUP_DEV; - } - if (p->bearer) - p->bearer->inalarm = 1; - else -#endif - p->inalarm = 1; - res = get_alarms(p); - handle_alarms(p, res); -#ifdef HAVE_LIBPRI - if (!p->pri || !p->pri->pri || pri_get_timer(p->pri->pri, PRI_TIMER_T309) < 0) { - /* fall through intentionally */ - } else { - break; - } -#endif - case DAHDI_EVENT_ONHOOK: - if (p->radio) { - p->subs[index].f.frametype = AST_FRAME_CONTROL; - p->subs[index].f.subclass = AST_CONTROL_RADIO_UNKEY; - break; - } - if (p->oprmode < 0) - { - if (p->oprmode != -1) break; - if ((p->sig == SIG_FXOLS) || (p->sig == SIG_FXOKS) || (p->sig == SIG_FXOGS)) - { - /* Make sure it starts ringing */ - dahdi_set_hook(p->subs[SUB_REAL].dfd, DAHDI_RINGOFF); - dahdi_set_hook(p->subs[SUB_REAL].dfd, DAHDI_RING); - save_conference(p->oprpeer); - tone_zone_play_tone(p->oprpeer->subs[SUB_REAL].dfd, DAHDI_TONE_RINGTONE); - } - break; - } - switch (p->sig) { - case SIG_FXOLS: - case SIG_FXOGS: - case SIG_FXOKS: - p->onhooktime = time(NULL); - p->msgstate = -1; - /* Check for some special conditions regarding call waiting */ - if (index == SUB_REAL) { - /* The normal line was hung up */ - if (p->subs[SUB_CALLWAIT].owner) { - /* There's a call waiting call, so ring the phone, but make it unowned in the mean time */ - swap_subs(p, SUB_CALLWAIT, SUB_REAL); - if (option_verbose > 2) - ast_verbose(VERBOSE_PREFIX_3 "Channel %d still has (callwait) call, ringing phone\n", p->channel); - unalloc_sub(p, SUB_CALLWAIT); -#if 0 - p->subs[index].needanswer = 0; - p->subs[index].needringing = 0; -#endif - p->callwaitingrepeat = 0; - p->cidcwexpire = 0; - p->owner = NULL; - /* Don't start streaming audio yet if the incoming call isn't up yet */ - if (p->subs[SUB_REAL].owner->_state != AST_STATE_UP) - p->dialing = 1; - dahdi_ring_phone(p); - } else if (p->subs[SUB_THREEWAY].owner) { - unsigned int mssinceflash; - /* Here we have to retain the lock on both the main channel, the 3-way channel, and - the private structure -- not especially easy or clean */ - while (p->subs[SUB_THREEWAY].owner && ast_mutex_trylock(&p->subs[SUB_THREEWAY].owner->lock)) { - /* Yuck, didn't get the lock on the 3-way, gotta release everything and re-grab! */ - ast_mutex_unlock(&p->lock); - DEADLOCK_AVOIDANCE(&ast->lock); - /* We can grab ast and p in that order, without worry. We should make sure - nothing seriously bad has happened though like some sort of bizarre double - masquerade! */ - ast_mutex_lock(&p->lock); - if (p->owner != ast) { - ast_log(LOG_WARNING, "This isn't good...\n"); - return NULL; - } - } - if (!p->subs[SUB_THREEWAY].owner) { - ast_log(LOG_NOTICE, "Whoa, threeway disappeared kinda randomly.\n"); - return NULL; - } - mssinceflash = ast_tvdiff_ms(ast_tvnow(), p->flashtime); - ast_log(LOG_DEBUG, "Last flash was %d ms ago\n", mssinceflash); - if (mssinceflash < MIN_MS_SINCE_FLASH) { - /* It hasn't been long enough since the last flashook. This is probably a bounce on - hanging up. Hangup both channels now */ - if (p->subs[SUB_THREEWAY].owner) - ast_queue_hangup(p->subs[SUB_THREEWAY].owner); - p->subs[SUB_THREEWAY].owner->_softhangup |= AST_SOFTHANGUP_DEV; - ast_log(LOG_DEBUG, "Looks like a bounced flash, hanging up both calls on %d\n", p->channel); - ast_mutex_unlock(&p->subs[SUB_THREEWAY].owner->lock); - } else if ((ast->pbx) || (ast->_state == AST_STATE_UP)) { - if (p->transfer) { - /* In any case this isn't a threeway call anymore */ - p->subs[SUB_REAL].inthreeway = 0; - p->subs[SUB_THREEWAY].inthreeway = 0; - /* Only attempt transfer if the phone is ringing; why transfer to busy tone eh? */ - if (!p->transfertobusy && ast->_state == AST_STATE_BUSY) { - ast_mutex_unlock(&p->subs[SUB_THREEWAY].owner->lock); - /* Swap subs and dis-own channel */ - swap_subs(p, SUB_THREEWAY, SUB_REAL); - p->owner = NULL; - /* Ring the phone */ - dahdi_ring_phone(p); - } else { - if ((res = attempt_transfer(p)) < 0) { - p->subs[SUB_THREEWAY].owner->_softhangup |= AST_SOFTHANGUP_DEV; - if (p->subs[SUB_THREEWAY].owner) - ast_mutex_unlock(&p->subs[SUB_THREEWAY].owner->lock); - } else if (res) { - /* Don't actually hang up at this point */ - if (p->subs[SUB_THREEWAY].owner) - ast_mutex_unlock(&p->subs[SUB_THREEWAY].owner->lock); - break; - } - } - } else { - p->subs[SUB_THREEWAY].owner->_softhangup |= AST_SOFTHANGUP_DEV; - if (p->subs[SUB_THREEWAY].owner) - ast_mutex_unlock(&p->subs[SUB_THREEWAY].owner->lock); - } - } else { - ast_mutex_unlock(&p->subs[SUB_THREEWAY].owner->lock); - /* Swap subs and dis-own channel */ - swap_subs(p, SUB_THREEWAY, SUB_REAL); - p->owner = NULL; - /* Ring the phone */ - dahdi_ring_phone(p); - } - } - } else { - ast_log(LOG_WARNING, "Got a hangup and my index is %d?\n", index); - } - /* Fall through */ - default: - dahdi_disable_ec(p); - return NULL; - } - break; - case DAHDI_EVENT_RINGOFFHOOK: - if (p->inalarm) break; - if (p->oprmode < 0) - { - if ((p->sig == SIG_FXOLS) || (p->sig == SIG_FXOKS) || (p->sig == SIG_FXOGS)) - { - /* Make sure it stops ringing */ - dahdi_set_hook(p->subs[SUB_REAL].dfd, DAHDI_RINGOFF); - tone_zone_play_tone(p->oprpeer->subs[SUB_REAL].dfd, -1); - restore_conference(p->oprpeer); - } - break; - } - if (p->radio) - { - p->subs[index].f.frametype = AST_FRAME_CONTROL; - p->subs[index].f.subclass = AST_CONTROL_RADIO_KEY; - break; - } - /* for E911, its supposed to wait for offhook then dial - the second half of the dial string */ - if (((mysig == SIG_E911) || (mysig == SIG_FGC_CAMA) || (mysig == SIG_FGC_CAMAMF)) && (ast->_state == AST_STATE_DIALING_OFFHOOK)) { - c = strchr(p->dialdest, '/'); - if (c) - c++; - else - c = p->dialdest; - if (*c) snprintf(p->dop.dialstr, sizeof(p->dop.dialstr), "M*0%s#", c); - else ast_copy_string(p->dop.dialstr,"M*2#", sizeof(p->dop.dialstr)); - if (strlen(p->dop.dialstr) > 4) { - memset(p->echorest, 'w', sizeof(p->echorest) - 1); - strcpy(p->echorest + (p->echotraining / 401) + 1, p->dop.dialstr + strlen(p->dop.dialstr) - 2); - p->echorest[sizeof(p->echorest) - 1] = '\0'; - p->echobreak = 1; - p->dop.dialstr[strlen(p->dop.dialstr)-2] = '\0'; - } else - p->echobreak = 0; - if (ioctl(p->subs[SUB_REAL].dfd, DAHDI_DIAL, &p->dop)) { - int saveerr = errno; - - x = DAHDI_ONHOOK; - ioctl(p->subs[SUB_REAL].dfd, DAHDI_HOOK, &x); - ast_log(LOG_WARNING, "Dialing failed on channel %d: %s\n", p->channel, strerror(saveerr)); - return NULL; - } - p->dialing = 1; - return &p->subs[index].f; - } - switch (p->sig) { - case SIG_FXOLS: - case SIG_FXOGS: - case SIG_FXOKS: - switch (ast->_state) { - case AST_STATE_RINGING: - dahdi_enable_ec(p); - dahdi_train_ec(p); - p->subs[index].f.frametype = AST_FRAME_CONTROL; - p->subs[index].f.subclass = AST_CONTROL_ANSWER; - /* Make sure it stops ringing */ - dahdi_set_hook(p->subs[index].dfd, DAHDI_OFFHOOK); - ast_log(LOG_DEBUG, "channel %d answered\n", p->channel); - if (p->cidspill) { - /* Cancel any running CallerID spill */ - free(p->cidspill); - p->cidspill = NULL; - } - p->dialing = 0; - p->callwaitcas = 0; - if (p->confirmanswer) { - /* Ignore answer if "confirm answer" is enabled */ - p->subs[index].f.frametype = AST_FRAME_NULL; - p->subs[index].f.subclass = 0; - } else if (!ast_strlen_zero(p->dop.dialstr)) { - /* nick@dccinc.com 4/3/03 - fxo should be able to do deferred dialing */ - res = ioctl(p->subs[SUB_REAL].dfd, DAHDI_DIAL, &p->dop); - if (res < 0) { - ast_log(LOG_WARNING, "Unable to initiate dialing on trunk channel %d: %s\n", p->channel, strerror(errno)); - p->dop.dialstr[0] = '\0'; - return NULL; - } else { - ast_log(LOG_DEBUG, "Sent FXO deferred digit string: %s\n", p->dop.dialstr); - p->subs[index].f.frametype = AST_FRAME_NULL; - p->subs[index].f.subclass = 0; - p->dialing = 1; - } - p->dop.dialstr[0] = '\0'; - ast_setstate(ast, AST_STATE_DIALING); - } else - ast_setstate(ast, AST_STATE_UP); - return &p->subs[index].f; - case AST_STATE_DOWN: - ast_setstate(ast, AST_STATE_RING); - ast->rings = 1; - p->subs[index].f.frametype = AST_FRAME_CONTROL; - p->subs[index].f.subclass = AST_CONTROL_OFFHOOK; - ast_log(LOG_DEBUG, "channel %d picked up\n", p->channel); - return &p->subs[index].f; - case AST_STATE_UP: - /* Make sure it stops ringing */ - dahdi_set_hook(p->subs[index].dfd, DAHDI_OFFHOOK); - /* Okay -- probably call waiting*/ - if (ast_bridged_channel(p->owner)) - ast_queue_control(p->owner, AST_CONTROL_UNHOLD); - p->subs[index].needunhold = 1; - break; - case AST_STATE_RESERVED: - /* Start up dialtone */ - if (has_voicemail(p)) - res = tone_zone_play_tone(p->subs[SUB_REAL].dfd, DAHDI_TONE_STUTTER); - else - res = tone_zone_play_tone(p->subs[SUB_REAL].dfd, DAHDI_TONE_DIALTONE); - break; - default: - ast_log(LOG_WARNING, "FXO phone off hook in weird state %d??\n", ast->_state); - } - break; - case SIG_FXSLS: - case SIG_FXSGS: - case SIG_FXSKS: - if (ast->_state == AST_STATE_RING) { - p->ringt = p->ringt_base; - } - - /* Fall through */ - case SIG_EM: - case SIG_EM_E1: - case SIG_EMWINK: - case SIG_FEATD: - case SIG_FEATDMF: - case SIG_FEATDMF_TA: - case SIG_E911: - case SIG_FGC_CAMA: - case SIG_FGC_CAMAMF: - case SIG_FEATB: - case SIG_SF: - case SIG_SFWINK: - case SIG_SF_FEATD: - case SIG_SF_FEATDMF: - case SIG_SF_FEATB: - if (ast->_state == AST_STATE_PRERING) - ast_setstate(ast, AST_STATE_RING); - if ((ast->_state == AST_STATE_DOWN) || (ast->_state == AST_STATE_RING)) { - if (option_debug) - ast_log(LOG_DEBUG, "Ring detected\n"); - p->subs[index].f.frametype = AST_FRAME_CONTROL; - p->subs[index].f.subclass = AST_CONTROL_RING; - } else if (p->outgoing && ((ast->_state == AST_STATE_RINGING) || (ast->_state == AST_STATE_DIALING))) { - if (option_debug) - ast_log(LOG_DEBUG, "Line answered\n"); - if (p->confirmanswer) { - p->subs[index].f.frametype = AST_FRAME_NULL; - p->subs[index].f.subclass = 0; - } else { - p->subs[index].f.frametype = AST_FRAME_CONTROL; - p->subs[index].f.subclass = AST_CONTROL_ANSWER; - ast_setstate(ast, AST_STATE_UP); - } - } else if (ast->_state != AST_STATE_RING) - ast_log(LOG_WARNING, "Ring/Off-hook in strange state %d on channel %d\n", ast->_state, p->channel); - break; - default: - ast_log(LOG_WARNING, "Don't know how to handle ring/off hook for signalling %d\n", p->sig); - } - break; -#ifdef DAHDI_EVENT_RINGBEGIN - case DAHDI_EVENT_RINGBEGIN: - switch (p->sig) { - case SIG_FXSLS: - case SIG_FXSGS: - case SIG_FXSKS: - if (ast->_state == AST_STATE_RING) { - p->ringt = p->ringt_base; - } - break; - } - break; -#endif - case DAHDI_EVENT_RINGEROFF: - if (p->inalarm) break; - if ((p->radio || (p->oprmode < 0))) break; - ast->rings++; - if ((ast->rings > p->cidrings) && (p->cidspill)) { - ast_log(LOG_WARNING, "Didn't finish Caller-ID spill. Cancelling.\n"); - free(p->cidspill); - p->cidspill = NULL; - p->callwaitcas = 0; - } - p->subs[index].f.frametype = AST_FRAME_CONTROL; - p->subs[index].f.subclass = AST_CONTROL_RINGING; - break; - case DAHDI_EVENT_RINGERON: - break; - case DAHDI_EVENT_NOALARM: - p->inalarm = 0; -#ifdef HAVE_PRI - /* Extremely unlikely but just in case */ - if (p->bearer) - p->bearer->inalarm = 0; -#endif - if (!p->unknown_alarm) { - ast_log(LOG_NOTICE, "Alarm cleared on channel %d\n", p->channel); - manager_event(EVENT_FLAG_SYSTEM, "AlarmClear", - "Channel: %d\r\n", p->channel); - } else { - p->unknown_alarm = 0; - } - break; - case DAHDI_EVENT_WINKFLASH: - if (p->inalarm) break; - if (p->radio) break; - if (p->oprmode < 0) break; - if (p->oprmode > 1) - { - struct dahdi_params par; - - if (ioctl(p->oprpeer->subs[SUB_REAL].dfd, DAHDI_GET_PARAMS, &par) != -1) - { - if (!par.rxisoffhook) - { - /* Make sure it stops ringing */ - dahdi_set_hook(p->oprpeer->subs[SUB_REAL].dfd, DAHDI_RINGOFF); - dahdi_set_hook(p->oprpeer->subs[SUB_REAL].dfd, DAHDI_RING); - save_conference(p); - tone_zone_play_tone(p->subs[SUB_REAL].dfd, DAHDI_TONE_RINGTONE); - } - } - break; - } - /* Remember last time we got a flash-hook */ - gettimeofday(&p->flashtime, NULL); - switch (mysig) { - case SIG_FXOLS: - case SIG_FXOGS: - case SIG_FXOKS: - ast_log(LOG_DEBUG, "Winkflash, index: %d, normal: %d, callwait: %d, thirdcall: %d\n", - index, p->subs[SUB_REAL].dfd, p->subs[SUB_CALLWAIT].dfd, p->subs[SUB_THREEWAY].dfd); - p->callwaitcas = 0; - - if (index != SUB_REAL) { - ast_log(LOG_WARNING, "Got flash hook with index %d on channel %d?!?\n", index, p->channel); - goto winkflashdone; - } - - if (p->subs[SUB_CALLWAIT].owner) { - /* Swap to call-wait */ - swap_subs(p, SUB_REAL, SUB_CALLWAIT); - tone_zone_play_tone(p->subs[SUB_REAL].dfd, -1); - p->owner = p->subs[SUB_REAL].owner; - ast_log(LOG_DEBUG, "Making %s the new owner\n", p->owner->name); - if (p->owner->_state == AST_STATE_RINGING) { - ast_setstate(p->owner, AST_STATE_UP); - p->subs[SUB_REAL].needanswer = 1; - } - p->callwaitingrepeat = 0; - p->cidcwexpire = 0; - /* Start music on hold if appropriate */ - if (!p->subs[SUB_CALLWAIT].inthreeway && ast_bridged_channel(p->subs[SUB_CALLWAIT].owner)) { - ast_queue_control_data(p->subs[SUB_CALLWAIT].owner, AST_CONTROL_HOLD, - S_OR(p->mohsuggest, NULL), - !ast_strlen_zero(p->mohsuggest) ? strlen(p->mohsuggest) + 1 : 0); - } - p->subs[SUB_CALLWAIT].needhold = 1; - if (ast_bridged_channel(p->subs[SUB_REAL].owner)) { - ast_queue_control_data(p->subs[SUB_REAL].owner, AST_CONTROL_HOLD, - S_OR(p->mohsuggest, NULL), - !ast_strlen_zero(p->mohsuggest) ? strlen(p->mohsuggest) + 1 : 0); - } - p->subs[SUB_REAL].needunhold = 1; - } else if (!p->subs[SUB_THREEWAY].owner) { - char cid_num[256]; - char cid_name[256]; - - if (!p->threewaycalling) { - /* Just send a flash if no 3-way calling */ - p->subs[SUB_REAL].needflash = 1; - goto winkflashdone; - } else if (!check_for_conference(p)) { - if (p->dahditrcallerid && p->owner) { - if (p->owner->cid.cid_num) - ast_copy_string(cid_num, p->owner->cid.cid_num, sizeof(cid_num)); - if (p->owner->cid.cid_name) - ast_copy_string(cid_name, p->owner->cid.cid_name, sizeof(cid_name)); - } - /* XXX This section needs much more error checking!!! XXX */ - /* Start a 3-way call if feasible */ - if (!((ast->pbx) || - (ast->_state == AST_STATE_UP) || - (ast->_state == AST_STATE_RING))) { - ast_log(LOG_DEBUG, "Flash when call not up or ringing\n"); - goto winkflashdone; - } - if (alloc_sub(p, SUB_THREEWAY)) { - ast_log(LOG_WARNING, "Unable to allocate three-way subchannel\n"); - goto winkflashdone; - } - /* Make new channel */ - chan = dahdi_new(p, AST_STATE_RESERVED, 0, SUB_THREEWAY, 0, 0); - if (p->dahditrcallerid) { - if (!p->origcid_num) - p->origcid_num = ast_strdup(p->cid_num); - if (!p->origcid_name) - p->origcid_name = ast_strdup(p->cid_name); - ast_copy_string(p->cid_num, cid_num, sizeof(p->cid_num)); - ast_copy_string(p->cid_name, cid_name, sizeof(p->cid_name)); - } - /* Swap things around between the three-way and real call */ - swap_subs(p, SUB_THREEWAY, SUB_REAL); - /* Disable echo canceller for better dialing */ - dahdi_disable_ec(p); - res = tone_zone_play_tone(p->subs[SUB_REAL].dfd, DAHDI_TONE_DIALRECALL); - if (res) - ast_log(LOG_WARNING, "Unable to start dial recall tone on channel %d\n", p->channel); - p->owner = chan; - pthread_attr_init(&attr); - pthread_attr_setdetachstate(&attr, PTHREAD_CREATE_DETACHED); - if (!chan) { - ast_log(LOG_WARNING, "Cannot allocate new structure on channel %d\n", p->channel); - } else if (ast_pthread_create(&threadid, &attr, ss_thread, chan)) { - ast_log(LOG_WARNING, "Unable to start simple switch on channel %d\n", p->channel); - res = tone_zone_play_tone(p->subs[SUB_REAL].dfd, DAHDI_TONE_CONGESTION); - dahdi_enable_ec(p); - ast_hangup(chan); - } else { - struct ast_channel *other = ast_bridged_channel(p->subs[SUB_THREEWAY].owner); - int way3bridge = 0, cdr3way = 0; - - if (!other) { - other = ast_bridged_channel(p->subs[SUB_REAL].owner); - } else - way3bridge = 1; - - if (p->subs[SUB_THREEWAY].owner->cdr) - cdr3way = 1; - - if (option_verbose > 2) - ast_verbose(VERBOSE_PREFIX_3 "Started three way call on channel %d\n", p->channel); - /* Start music on hold if appropriate */ - if (ast_bridged_channel(p->subs[SUB_THREEWAY].owner)) { - ast_queue_control_data(p->subs[SUB_THREEWAY].owner, AST_CONTROL_HOLD, - S_OR(p->mohsuggest, NULL), - !ast_strlen_zero(p->mohsuggest) ? strlen(p->mohsuggest) + 1 : 0); - } - p->subs[SUB_THREEWAY].needhold = 1; - } - pthread_attr_destroy(&attr); - } - } else { - /* Already have a 3 way call */ - if (p->subs[SUB_THREEWAY].inthreeway) { - /* Call is already up, drop the last person */ - if (option_debug) - ast_log(LOG_DEBUG, "Got flash with three way call up, dropping last call on %d\n", p->channel); - /* If the primary call isn't answered yet, use it */ - if ((p->subs[SUB_REAL].owner->_state != AST_STATE_UP) && (p->subs[SUB_THREEWAY].owner->_state == AST_STATE_UP)) { - /* Swap back -- we're dropping the real 3-way that isn't finished yet*/ - swap_subs(p, SUB_THREEWAY, SUB_REAL); - p->owner = p->subs[SUB_REAL].owner; - } - /* Drop the last call and stop the conference */ - if (option_verbose > 2) - ast_verbose(VERBOSE_PREFIX_3 "Dropping three-way call on %s\n", p->subs[SUB_THREEWAY].owner->name); - p->subs[SUB_THREEWAY].owner->_softhangup |= AST_SOFTHANGUP_DEV; - p->subs[SUB_REAL].inthreeway = 0; - p->subs[SUB_THREEWAY].inthreeway = 0; - } else { - /* Lets see what we're up to */ - if (((ast->pbx) || (ast->_state == AST_STATE_UP)) && - (p->transfertobusy || (ast->_state != AST_STATE_BUSY))) { - int otherindex = SUB_THREEWAY; - struct ast_channel *other = ast_bridged_channel(p->subs[SUB_THREEWAY].owner); - int way3bridge = 0, cdr3way = 0; - - if (!other) { - other = ast_bridged_channel(p->subs[SUB_REAL].owner); - } else - way3bridge = 1; - - if (p->subs[SUB_THREEWAY].owner->cdr) - cdr3way = 1; - - if (option_verbose > 2) - ast_verbose(VERBOSE_PREFIX_3 "Building conference on call on %s and %s\n", p->subs[SUB_THREEWAY].owner->name, p->subs[SUB_REAL].owner->name); - /* Put them in the threeway, and flip */ - p->subs[SUB_THREEWAY].inthreeway = 1; - p->subs[SUB_REAL].inthreeway = 1; - if (ast->_state == AST_STATE_UP) { - swap_subs(p, SUB_THREEWAY, SUB_REAL); - otherindex = SUB_REAL; - } - if (p->subs[otherindex].owner && ast_bridged_channel(p->subs[otherindex].owner)) - ast_queue_control(p->subs[otherindex].owner, AST_CONTROL_UNHOLD); - p->subs[otherindex].needunhold = 1; - p->owner = p->subs[SUB_REAL].owner; - if (ast->_state == AST_STATE_RINGING) { - ast_log(LOG_DEBUG, "Enabling ringtone on real and threeway\n"); - res = tone_zone_play_tone(p->subs[SUB_REAL].dfd, DAHDI_TONE_RINGTONE); - res = tone_zone_play_tone(p->subs[SUB_THREEWAY].dfd, DAHDI_TONE_RINGTONE); - } - } else { - if (option_verbose > 2) - ast_verbose(VERBOSE_PREFIX_3 "Dumping incomplete call on on %s\n", p->subs[SUB_THREEWAY].owner->name); - swap_subs(p, SUB_THREEWAY, SUB_REAL); - p->subs[SUB_THREEWAY].owner->_softhangup |= AST_SOFTHANGUP_DEV; - p->owner = p->subs[SUB_REAL].owner; - if (p->subs[SUB_REAL].owner && ast_bridged_channel(p->subs[SUB_REAL].owner)) - ast_queue_control(p->subs[SUB_REAL].owner, AST_CONTROL_UNHOLD); - p->subs[SUB_REAL].needunhold = 1; - dahdi_enable_ec(p); - } - - } - } - winkflashdone: - update_conf(p); - break; - case SIG_EM: - case SIG_EM_E1: - case SIG_EMWINK: - case SIG_FEATD: - case SIG_SF: - case SIG_SFWINK: - case SIG_SF_FEATD: - case SIG_FXSLS: - case SIG_FXSGS: - if (p->dialing) - ast_log(LOG_DEBUG, "Ignoring wink on channel %d\n", p->channel); - else - ast_log(LOG_DEBUG, "Got wink in weird state %d on channel %d\n", ast->_state, p->channel); - break; - case SIG_FEATDMF_TA: - switch (p->whichwink) { - case 0: - ast_log(LOG_DEBUG, "ANI2 set to '%d' and ANI is '%s'\n", p->owner->cid.cid_ani2, p->owner->cid.cid_ani); - snprintf(p->dop.dialstr, sizeof(p->dop.dialstr), "M*%d%s#", p->owner->cid.cid_ani2, p->owner->cid.cid_ani); - break; - case 1: - ast_copy_string(p->dop.dialstr, p->finaldial, sizeof(p->dop.dialstr)); - break; - case 2: - ast_log(LOG_WARNING, "Received unexpected wink on channel of type SIG_FEATDMF_TA\n"); - return NULL; - } - p->whichwink++; - /* Fall through */ - case SIG_FEATDMF: - case SIG_E911: - case SIG_FGC_CAMAMF: - case SIG_FGC_CAMA: - case SIG_FEATB: - case SIG_SF_FEATDMF: - case SIG_SF_FEATB: - /* FGD MF *Must* wait for wink */ - if (!ast_strlen_zero(p->dop.dialstr)) { - res = ioctl(p->subs[SUB_REAL].dfd, DAHDI_DIAL, &p->dop); - if (res < 0) { - ast_log(LOG_WARNING, "Unable to initiate dialing on trunk channel %d: %s\n", p->channel, strerror(errno)); - p->dop.dialstr[0] = '\0'; - return NULL; - } else - ast_log(LOG_DEBUG, "Sent deferred digit string: %s\n", p->dop.dialstr); - } - p->dop.dialstr[0] = '\0'; - break; - default: - ast_log(LOG_WARNING, "Don't know how to handle ring/off hoook for signalling %d\n", p->sig); - } - break; - case DAHDI_EVENT_HOOKCOMPLETE: - if (p->inalarm) break; - if ((p->radio || (p->oprmode < 0))) break; - switch (mysig) { - case SIG_FXSLS: /* only interesting for FXS */ - case SIG_FXSGS: - case SIG_FXSKS: - case SIG_EM: - case SIG_EM_E1: - case SIG_EMWINK: - case SIG_FEATD: - case SIG_SF: - case SIG_SFWINK: - case SIG_SF_FEATD: - if (!ast_strlen_zero(p->dop.dialstr)) { - res = ioctl(p->subs[SUB_REAL].dfd, DAHDI_DIAL, &p->dop); - if (res < 0) { - ast_log(LOG_WARNING, "Unable to initiate dialing on trunk channel %d: %s\n", p->channel, strerror(errno)); - p->dop.dialstr[0] = '\0'; - return NULL; - } else - ast_log(LOG_DEBUG, "Sent deferred digit string: %s\n", p->dop.dialstr); - } - p->dop.dialstr[0] = '\0'; - p->dop.op = DAHDI_DIAL_OP_REPLACE; - break; - case SIG_FEATDMF: - case SIG_FEATDMF_TA: - case SIG_E911: - case SIG_FGC_CAMA: - case SIG_FGC_CAMAMF: - case SIG_FEATB: - case SIG_SF_FEATDMF: - case SIG_SF_FEATB: - ast_log(LOG_DEBUG, "Got hook complete in MF FGD, waiting for wink now on channel %d\n",p->channel); - break; - default: - break; - } - break; - case DAHDI_EVENT_POLARITY: - /* - * If we get a Polarity Switch event, check to see - * if we should change the polarity state and - * mark the channel as UP or if this is an indication - * of remote end disconnect. - */ - if (p->polarity == POLARITY_IDLE) { - p->polarity = POLARITY_REV; - if (p->answeronpolarityswitch && - ((ast->_state == AST_STATE_DIALING) || - (ast->_state == AST_STATE_RINGING))) { - ast_log(LOG_DEBUG, "Answering on polarity switch!\n"); - ast_setstate(p->owner, AST_STATE_UP); - if (p->hanguponpolarityswitch) { - gettimeofday(&p->polaritydelaytv, NULL); - } - } else - ast_log(LOG_DEBUG, "Ignore switch to REVERSED Polarity on channel %d, state %d\n", p->channel, ast->_state); - } - /* Removed else statement from here as it was preventing hangups from ever happening*/ - /* Added AST_STATE_RING in if statement below to deal with calling party hangups that take place when ringing */ - if (p->hanguponpolarityswitch && - (p->polarityonanswerdelay > 0) && - (p->polarity == POLARITY_REV) && - ((ast->_state == AST_STATE_UP) || (ast->_state == AST_STATE_RING)) ) { - /* Added log_debug information below to provide a better indication of what is going on */ - ast_log(LOG_DEBUG, "Polarity Reversal event occured - DEBUG 1: channel %d, state %d, pol= %d, aonp= %d, honp= %d, pdelay= %d, tv= %d\n", p->channel, ast->_state, p->polarity, p->answeronpolarityswitch, p->hanguponpolarityswitch, p->polarityonanswerdelay, ast_tvdiff_ms(ast_tvnow(), p->polaritydelaytv) ); - - if (ast_tvdiff_ms(ast_tvnow(), p->polaritydelaytv) > p->polarityonanswerdelay) { - ast_log(LOG_DEBUG, "Polarity Reversal detected and now Hanging up on channel %d\n", p->channel); - ast_softhangup(p->owner, AST_SOFTHANGUP_EXPLICIT); - p->polarity = POLARITY_IDLE; - } else { - ast_log(LOG_DEBUG, "Polarity Reversal detected but NOT hanging up (too close to answer event) on channel %d, state %d\n", p->channel, ast->_state); - } - } else { - p->polarity = POLARITY_IDLE; - ast_log(LOG_DEBUG, "Ignoring Polarity switch to IDLE on channel %d, state %d\n", p->channel, ast->_state); - } - /* Added more log_debug information below to provide a better indication of what is going on */ - ast_log(LOG_DEBUG, "Polarity Reversal event occured - DEBUG 2: channel %d, state %d, pol= %d, aonp= %d, honp= %d, pdelay= %d, tv= %d\n", p->channel, ast->_state, p->polarity, p->answeronpolarityswitch, p->hanguponpolarityswitch, p->polarityonanswerdelay, ast_tvdiff_ms(ast_tvnow(), p->polaritydelaytv) ); - break; - default: - ast_log(LOG_DEBUG, "Dunno what to do with event %d on channel %d\n", res, p->channel); - } - return &p->subs[index].f; -} - -static struct ast_frame *__dahdi_exception(struct ast_channel *ast) -{ - struct dahdi_pvt *p = ast->tech_pvt; - int res; - int usedindex=-1; - int index; - struct ast_frame *f; - - - index = dahdi_get_index(ast, p, 1); - - p->subs[index].f.frametype = AST_FRAME_NULL; - p->subs[index].f.datalen = 0; - p->subs[index].f.samples = 0; - p->subs[index].f.mallocd = 0; - p->subs[index].f.offset = 0; - p->subs[index].f.subclass = 0; - p->subs[index].f.delivery = ast_tv(0,0); - p->subs[index].f.src = "dahdi_exception"; - p->subs[index].f.data = NULL; - - - if ((!p->owner) && (!(p->radio || (p->oprmode < 0)))) { - /* If nobody owns us, absorb the event appropriately, otherwise - we loop indefinitely. This occurs when, during call waiting, the - other end hangs up our channel so that it no longer exists, but we - have neither FLASH'd nor ONHOOK'd to signify our desire to - change to the other channel. */ - if (p->fake_event) { - res = p->fake_event; - p->fake_event = 0; - } else - res = dahdi_get_event(p->subs[SUB_REAL].dfd); - /* Switch to real if there is one and this isn't something really silly... */ - if ((res != DAHDI_EVENT_RINGEROFF) && (res != DAHDI_EVENT_RINGERON) && - (res != DAHDI_EVENT_HOOKCOMPLETE)) { - ast_log(LOG_DEBUG, "Restoring owner of channel %d on event %d\n", p->channel, res); - p->owner = p->subs[SUB_REAL].owner; - if (p->owner && ast_bridged_channel(p->owner)) - ast_queue_control(p->owner, AST_CONTROL_UNHOLD); - p->subs[SUB_REAL].needunhold = 1; - } - switch (res) { - case DAHDI_EVENT_ONHOOK: - dahdi_disable_ec(p); - if (p->owner) { - if (option_verbose > 2) - ast_verbose(VERBOSE_PREFIX_3 "Channel %s still has call, ringing phone\n", p->owner->name); - dahdi_ring_phone(p); - p->callwaitingrepeat = 0; - p->cidcwexpire = 0; - } else - ast_log(LOG_WARNING, "Absorbed on hook, but nobody is left!?!?\n"); - update_conf(p); - break; - case DAHDI_EVENT_RINGOFFHOOK: - dahdi_enable_ec(p); - dahdi_set_hook(p->subs[SUB_REAL].dfd, DAHDI_OFFHOOK); - if (p->owner && (p->owner->_state == AST_STATE_RINGING)) { - p->subs[SUB_REAL].needanswer = 1; - p->dialing = 0; - } - break; - case DAHDI_EVENT_HOOKCOMPLETE: - case DAHDI_EVENT_RINGERON: - case DAHDI_EVENT_RINGEROFF: - /* Do nothing */ - break; - case DAHDI_EVENT_WINKFLASH: - gettimeofday(&p->flashtime, NULL); - if (p->owner) { - if (option_verbose > 2) - ast_verbose(VERBOSE_PREFIX_3 "Channel %d flashed to other channel %s\n", p->channel, p->owner->name); - if (p->owner->_state != AST_STATE_UP) { - /* Answer if necessary */ - usedindex = dahdi_get_index(p->owner, p, 0); - if (usedindex > -1) { - p->subs[usedindex].needanswer = 1; - } - ast_setstate(p->owner, AST_STATE_UP); - } - p->callwaitingrepeat = 0; - p->cidcwexpire = 0; - if (ast_bridged_channel(p->owner)) - ast_queue_control(p->owner, AST_CONTROL_UNHOLD); - p->subs[SUB_REAL].needunhold = 1; - } else - ast_log(LOG_WARNING, "Absorbed on hook, but nobody is left!?!?\n"); - update_conf(p); - break; - default: - ast_log(LOG_WARNING, "Don't know how to absorb event %s\n", event2str(res)); - } - f = &p->subs[index].f; - return f; - } - if (!(p->radio || (p->oprmode < 0)) && option_debug) - ast_log(LOG_DEBUG, "Exception on %d, channel %d\n", ast->fds[0],p->channel); - /* If it's not us, return NULL immediately */ - if (ast != p->owner) { - ast_log(LOG_WARNING, "We're %s, not %s\n", ast->name, p->owner->name); - f = &p->subs[index].f; - return f; - } - f = dahdi_handle_event(ast); - return f; -} - -static struct ast_frame *dahdi_exception(struct ast_channel *ast) -{ - struct dahdi_pvt *p = ast->tech_pvt; - struct ast_frame *f; - ast_mutex_lock(&p->lock); - f = __dahdi_exception(ast); - ast_mutex_unlock(&p->lock); - return f; -} - -static struct ast_frame *dahdi_read(struct ast_channel *ast) -{ - struct dahdi_pvt *p = ast->tech_pvt; - int res; - int index; - void *readbuf; - struct ast_frame *f; - - while (ast_mutex_trylock(&p->lock)) { - DEADLOCK_AVOIDANCE(&ast->lock); - } - - index = dahdi_get_index(ast, p, 0); - - /* Hang up if we don't really exist */ - if (index < 0) { - ast_log(LOG_WARNING, "We dont exist?\n"); - ast_mutex_unlock(&p->lock); - return NULL; - } - - if ((p->radio || (p->oprmode < 0)) && p->inalarm) return NULL; - - p->subs[index].f.frametype = AST_FRAME_NULL; - p->subs[index].f.datalen = 0; - p->subs[index].f.samples = 0; - p->subs[index].f.mallocd = 0; - p->subs[index].f.offset = 0; - p->subs[index].f.subclass = 0; - p->subs[index].f.delivery = ast_tv(0,0); - p->subs[index].f.src = "dahdi_read"; - p->subs[index].f.data = NULL; - - /* make sure it sends initial key state as first frame */ - if ((p->radio || (p->oprmode < 0)) && (!p->firstradio)) - { - struct dahdi_params ps; - - ps.channo = p->channel; - if (ioctl(p->subs[SUB_REAL].dfd, DAHDI_GET_PARAMS, &ps) < 0) { - ast_mutex_unlock(&p->lock); - return NULL; - } - p->firstradio = 1; - p->subs[index].f.frametype = AST_FRAME_CONTROL; - if (ps.rxisoffhook) - { - p->subs[index].f.subclass = AST_CONTROL_RADIO_KEY; - } - else - { - p->subs[index].f.subclass = AST_CONTROL_RADIO_UNKEY; - } - ast_mutex_unlock(&p->lock); - return &p->subs[index].f; - } - if (p->ringt == 1) { - ast_mutex_unlock(&p->lock); - return NULL; - } - else if (p->ringt > 0) - p->ringt--; - - if (p->subs[index].needringing) { - /* Send ringing frame if requested */ - p->subs[index].needringing = 0; - p->subs[index].f.frametype = AST_FRAME_CONTROL; - p->subs[index].f.subclass = AST_CONTROL_RINGING; - ast_setstate(ast, AST_STATE_RINGING); - ast_mutex_unlock(&p->lock); - return &p->subs[index].f; - } - - if (p->subs[index].needbusy) { - /* Send busy frame if requested */ - p->subs[index].needbusy = 0; - p->subs[index].f.frametype = AST_FRAME_CONTROL; - p->subs[index].f.subclass = AST_CONTROL_BUSY; - ast_mutex_unlock(&p->lock); - return &p->subs[index].f; - } - - if (p->subs[index].needcongestion) { - /* Send congestion frame if requested */ - p->subs[index].needcongestion = 0; - p->subs[index].f.frametype = AST_FRAME_CONTROL; - p->subs[index].f.subclass = AST_CONTROL_CONGESTION; - ast_mutex_unlock(&p->lock); - return &p->subs[index].f; - } - - if (p->subs[index].needcallerid) { - ast_set_callerid(ast, S_OR(p->lastcid_num, NULL), - S_OR(p->lastcid_name, NULL), - S_OR(p->lastcid_num, NULL) - ); - p->subs[index].needcallerid = 0; - } - - if (p->subs[index].needanswer) { - /* Send answer frame if requested */ - p->subs[index].needanswer = 0; - p->subs[index].f.frametype = AST_FRAME_CONTROL; - p->subs[index].f.subclass = AST_CONTROL_ANSWER; - ast_mutex_unlock(&p->lock); - return &p->subs[index].f; - } - - if (p->subs[index].needflash) { - /* Send answer frame if requested */ - p->subs[index].needflash = 0; - p->subs[index].f.frametype = AST_FRAME_CONTROL; - p->subs[index].f.subclass = AST_CONTROL_FLASH; - ast_mutex_unlock(&p->lock); - return &p->subs[index].f; - } - - if (p->subs[index].needhold) { - /* Send answer frame if requested */ - p->subs[index].needhold = 0; - p->subs[index].f.frametype = AST_FRAME_CONTROL; - p->subs[index].f.subclass = AST_CONTROL_HOLD; - ast_mutex_unlock(&p->lock); - ast_log(LOG_DEBUG, "Sending hold on '%s'\n", ast->name); - return &p->subs[index].f; - } - - if (p->subs[index].needunhold) { - /* Send answer frame if requested */ - p->subs[index].needunhold = 0; - p->subs[index].f.frametype = AST_FRAME_CONTROL; - p->subs[index].f.subclass = AST_CONTROL_UNHOLD; - ast_mutex_unlock(&p->lock); - ast_log(LOG_DEBUG, "Sending unhold on '%s'\n", ast->name); - return &p->subs[index].f; - } - - if (ast->rawreadformat == AST_FORMAT_SLINEAR) { - if (!p->subs[index].linear) { - p->subs[index].linear = 1; - res = dahdi_setlinear(p->subs[index].dfd, p->subs[index].linear); - if (res) - ast_log(LOG_WARNING, "Unable to set channel %d (index %d) to linear mode.\n", p->channel, index); - } - } else if ((ast->rawreadformat == AST_FORMAT_ULAW) || - (ast->rawreadformat == AST_FORMAT_ALAW)) { - if (p->subs[index].linear) { - p->subs[index].linear = 0; - res = dahdi_setlinear(p->subs[index].dfd, p->subs[index].linear); - if (res) - ast_log(LOG_WARNING, "Unable to set channel %d (index %d) to companded mode.\n", p->channel, index); - } - } else { - ast_log(LOG_WARNING, "Don't know how to read frames in format %s\n", ast_getformatname(ast->rawreadformat)); - ast_mutex_unlock(&p->lock); - return NULL; - } - readbuf = ((unsigned char *)p->subs[index].buffer) + AST_FRIENDLY_OFFSET; - CHECK_BLOCKING(ast); - res = read(p->subs[index].dfd, readbuf, p->subs[index].linear ? READ_SIZE * 2 : READ_SIZE); - ast_clear_flag(ast, AST_FLAG_BLOCKING); - /* Check for hangup */ - if (res < 0) { - f = NULL; - if (res == -1) { - if (errno == EAGAIN) { - /* Return "NULL" frame if there is nobody there */ - ast_mutex_unlock(&p->lock); - return &p->subs[index].f; - } else if (errno == ELAST) { - f = __dahdi_exception(ast); - } else - ast_log(LOG_WARNING, "dahdi_rec: %s\n", strerror(errno)); - } - ast_mutex_unlock(&p->lock); - return f; - } - if (res != (p->subs[index].linear ? READ_SIZE * 2 : READ_SIZE)) { - ast_log(LOG_DEBUG, "Short read (%d/%d), must be an event...\n", res, p->subs[index].linear ? READ_SIZE * 2 : READ_SIZE); - f = __dahdi_exception(ast); - ast_mutex_unlock(&p->lock); - return f; - } - if (p->tdd) { /* if in TDD mode, see if we receive that */ - int c; - - c = tdd_feed(p->tdd,readbuf,READ_SIZE); - if (c < 0) { - ast_log(LOG_DEBUG,"tdd_feed failed\n"); - ast_mutex_unlock(&p->lock); - return NULL; - } - if (c) { /* if a char to return */ - p->subs[index].f.subclass = 0; - p->subs[index].f.frametype = AST_FRAME_TEXT; - p->subs[index].f.mallocd = 0; - p->subs[index].f.offset = AST_FRIENDLY_OFFSET; - p->subs[index].f.data = p->subs[index].buffer + AST_FRIENDLY_OFFSET; - p->subs[index].f.datalen = 1; - *((char *) p->subs[index].f.data) = c; - ast_mutex_unlock(&p->lock); - return &p->subs[index].f; - } - } - /* Ensure the CW timer decrements only on a single subchannel */ - if (p->callwaitingrepeat && dahdi_get_index(ast, p, 1) == SUB_REAL) { - p->callwaitingrepeat--; - } - if (p->cidcwexpire) - p->cidcwexpire--; - /* Repeat callwaiting */ - if (p->callwaitingrepeat == 1) { - p->callwaitrings++; - dahdi_callwait(ast); - } - /* Expire CID/CW */ - if (p->cidcwexpire == 1) { - if (option_verbose > 2) - ast_verbose(VERBOSE_PREFIX_3 "CPE does not support Call Waiting Caller*ID.\n"); - restore_conference(p); - } - if (p->subs[index].linear) { - p->subs[index].f.datalen = READ_SIZE * 2; - } else - p->subs[index].f.datalen = READ_SIZE; - - /* Handle CallerID Transmission */ - if ((p->owner == ast) && p->cidspill &&((ast->_state == AST_STATE_UP) || (ast->rings == p->cidrings))) { - send_callerid(p); - } - - p->subs[index].f.frametype = AST_FRAME_VOICE; - p->subs[index].f.subclass = ast->rawreadformat; - p->subs[index].f.samples = READ_SIZE; - p->subs[index].f.mallocd = 0; - p->subs[index].f.offset = AST_FRIENDLY_OFFSET; - p->subs[index].f.data = p->subs[index].buffer + AST_FRIENDLY_OFFSET / sizeof(p->subs[index].buffer[0]); -#if 0 - ast_log(LOG_DEBUG, "Read %d of voice on %s\n", p->subs[index].f.datalen, ast->name); -#endif - if (p->dialing || /* Transmitting something */ - (index && (ast->_state != AST_STATE_UP)) || /* Three-way or callwait that isn't up */ - ((index == SUB_CALLWAIT) && !p->subs[SUB_CALLWAIT].inthreeway) /* Inactive and non-confed call-wait */ - ) { - /* Whoops, we're still dialing, or in a state where we shouldn't transmit.... - don't send anything */ - p->subs[index].f.frametype = AST_FRAME_NULL; - p->subs[index].f.subclass = 0; - p->subs[index].f.samples = 0; - p->subs[index].f.mallocd = 0; - p->subs[index].f.offset = 0; - p->subs[index].f.data = NULL; - p->subs[index].f.datalen= 0; - } - if (p->dsp && (!p->ignoredtmf || p->callwaitcas || p->busydetect || p->callprogress) && !index) { - /* Perform busy detection. etc on the dahdi line */ - f = ast_dsp_process(ast, p->dsp, &p->subs[index].f); - if (f) { - if ((f->frametype == AST_FRAME_CONTROL) && (f->subclass == AST_CONTROL_BUSY)) { - if ((ast->_state == AST_STATE_UP) && !p->outgoing) { - /* Treat this as a "hangup" instead of a "busy" on the assumption that - a busy */ - f = NULL; - } - } else if (f->frametype == AST_FRAME_DTMF) { -#ifdef HAVE_PRI - if (!p->proceeding && p->sig==SIG_PRI && p->pri && p->pri->overlapdial) { - /* Don't accept in-band DTMF when in overlap dial mode */ - f->frametype = AST_FRAME_NULL; - f->subclass = 0; - } -#endif - /* DSP clears us of being pulse */ - p->pulsedial = 0; - } - } - } else - f = &p->subs[index].f; - - if (f && (f->frametype == AST_FRAME_DTMF)) - dahdi_handle_dtmfup(ast, index, &f); - - /* If we have a fake_event, trigger exception to handle it */ - if (p->fake_event) - ast_set_flag(ast, AST_FLAG_EXCEPTION); - - ast_mutex_unlock(&p->lock); - return f; -} - -static int my_dahdi_write(struct dahdi_pvt *p, unsigned char *buf, int len, int index, int linear) -{ - int sent=0; - int size; - int res; - int fd; - fd = p->subs[index].dfd; - while (len) { - size = len; - if (size > (linear ? READ_SIZE * 2 : READ_SIZE)) - size = (linear ? READ_SIZE * 2 : READ_SIZE); - res = write(fd, buf, size); - if (res != size) { - if (option_debug) - ast_log(LOG_DEBUG, "Write returned %d (%s) on channel %d\n", res, strerror(errno), p->channel); - return sent; - } - len -= size; - buf += size; - } - return sent; -} - -static int dahdi_write(struct ast_channel *ast, struct ast_frame *frame) -{ - struct dahdi_pvt *p = ast->tech_pvt; - int res; - int index; - index = dahdi_get_index(ast, p, 0); - if (index < 0) { - ast_log(LOG_WARNING, "%s doesn't really exist?\n", ast->name); - return -1; - } - -#if 0 -#ifdef HAVE_PRI - ast_mutex_lock(&p->lock); - if (!p->proceeding && p->sig==SIG_PRI && p->pri && !p->outgoing) { - if (p->pri->pri) { - if (!pri_grab(p, p->pri)) { - pri_progress(p->pri->pri,p->call, PVT_TO_CHANNEL(p), !p->digital); - pri_rel(p->pri); - } else - ast_log(LOG_WARNING, "Unable to grab PRI on span %d\n", p->span); - } - p->proceeding=1; - } - ast_mutex_unlock(&p->lock); -#endif -#endif - /* Write a frame of (presumably voice) data */ - if (frame->frametype != AST_FRAME_VOICE) { - if (frame->frametype != AST_FRAME_IMAGE) - ast_log(LOG_WARNING, "Don't know what to do with frame type '%d'\n", frame->frametype); - return 0; - } - if ((frame->subclass != AST_FORMAT_SLINEAR) && - (frame->subclass != AST_FORMAT_ULAW) && - (frame->subclass != AST_FORMAT_ALAW)) { - ast_log(LOG_WARNING, "Cannot handle frames in %d format\n", frame->subclass); - return -1; - } - if (p->dialing) { - if (option_debug) - ast_log(LOG_DEBUG, "Dropping frame since I'm still dialing on %s...\n",ast->name); - return 0; - } - if (!p->owner) { - if (option_debug) - ast_log(LOG_DEBUG, "Dropping frame since there is no active owner on %s...\n",ast->name); - return 0; - } - if (p->cidspill) { - if (option_debug) - ast_log(LOG_DEBUG, "Dropping frame since I've still got a callerid spill\n"); - return 0; - } - /* Return if it's not valid data */ - if (!frame->data || !frame->datalen) - return 0; - - if (frame->subclass == AST_FORMAT_SLINEAR) { - if (!p->subs[index].linear) { - p->subs[index].linear = 1; - res = dahdi_setlinear(p->subs[index].dfd, p->subs[index].linear); - if (res) - ast_log(LOG_WARNING, "Unable to set linear mode on channel %d\n", p->channel); - } - res = my_dahdi_write(p, (unsigned char *)frame->data, frame->datalen, index, 1); - } else { - /* x-law already */ - if (p->subs[index].linear) { - p->subs[index].linear = 0; - res = dahdi_setlinear(p->subs[index].dfd, p->subs[index].linear); - if (res) - ast_log(LOG_WARNING, "Unable to set companded mode on channel %d\n", p->channel); - } - res = my_dahdi_write(p, (unsigned char *)frame->data, frame->datalen, index, 0); - } - if (res < 0) { - ast_log(LOG_WARNING, "write failed: %s\n", strerror(errno)); - return -1; - } - return 0; -} - -static int dahdi_indicate(struct ast_channel *chan, int condition, const void *data, size_t datalen) -{ - struct dahdi_pvt *p = chan->tech_pvt; - int res=-1; - int index; - int func = DAHDI_FLASH; - ast_mutex_lock(&p->lock); - index = dahdi_get_index(chan, p, 0); - if (option_debug) - ast_log(LOG_DEBUG, "Requested indication %d on channel %s\n", condition, chan->name); - if (index == SUB_REAL) { - switch (condition) { - case AST_CONTROL_BUSY: -#ifdef HAVE_PRI - if (p->priindication_oob && p->sig == SIG_PRI) { - chan->hangupcause = AST_CAUSE_USER_BUSY; - chan->_softhangup |= AST_SOFTHANGUP_DEV; - res = 0; - } else if (!p->progress && p->sig==SIG_PRI && p->pri && !p->outgoing) { - if (p->pri->pri) { - if (!pri_grab(p, p->pri)) { - pri_progress(p->pri->pri,p->call, PVT_TO_CHANNEL(p), 1); - pri_rel(p->pri); - } - else - ast_log(LOG_WARNING, "Unable to grab PRI on span %d\n", p->span); - } - p->progress = 1; - res = tone_zone_play_tone(p->subs[index].dfd, DAHDI_TONE_BUSY); - } else -#endif - res = tone_zone_play_tone(p->subs[index].dfd, DAHDI_TONE_BUSY); - break; - case AST_CONTROL_RINGING: -#ifdef HAVE_PRI - if ((!p->alerting) && p->sig==SIG_PRI && p->pri && !p->outgoing && (chan->_state != AST_STATE_UP)) { - if (p->pri->pri) { - if (!pri_grab(p, p->pri)) { - pri_acknowledge(p->pri->pri,p->call, PVT_TO_CHANNEL(p), !p->digital); - pri_rel(p->pri); - } - else - ast_log(LOG_WARNING, "Unable to grab PRI on span %d\n", p->span); - } - p->alerting = 1; - } -#endif - res = tone_zone_play_tone(p->subs[index].dfd, DAHDI_TONE_RINGTONE); - if (chan->_state != AST_STATE_UP) { - if ((chan->_state != AST_STATE_RING) || - ((p->sig != SIG_FXSKS) && - (p->sig != SIG_FXSLS) && - (p->sig != SIG_FXSGS))) - ast_setstate(chan, AST_STATE_RINGING); - } - break; - case AST_CONTROL_PROCEEDING: - ast_log(LOG_DEBUG,"Received AST_CONTROL_PROCEEDING on %s\n",chan->name); -#ifdef HAVE_PRI - if (!p->proceeding && p->sig==SIG_PRI && p->pri && !p->outgoing) { - if (p->pri->pri) { - if (!pri_grab(p, p->pri)) { - pri_proceeding(p->pri->pri,p->call, PVT_TO_CHANNEL(p), !p->digital); - pri_rel(p->pri); - } - else - ast_log(LOG_WARNING, "Unable to grab PRI on span %d\n", p->span); - } - p->proceeding = 1; - } -#endif - /* don't continue in ast_indicate */ - res = 0; - break; - case AST_CONTROL_PROGRESS: - ast_log(LOG_DEBUG,"Received AST_CONTROL_PROGRESS on %s\n",chan->name); -#ifdef HAVE_PRI - p->digital = 0; /* Digital-only calls isn't allows any inband progress messages */ - if (!p->progress && p->sig==SIG_PRI && p->pri && !p->outgoing) { - if (p->pri->pri) { - if (!pri_grab(p, p->pri)) { - pri_progress(p->pri->pri,p->call, PVT_TO_CHANNEL(p), 1); - pri_rel(p->pri); - } - else - ast_log(LOG_WARNING, "Unable to grab PRI on span %d\n", p->span); - } - p->progress = 1; - } -#endif - /* don't continue in ast_indicate */ - res = 0; - break; - case AST_CONTROL_CONGESTION: - chan->hangupcause = AST_CAUSE_CONGESTION; -#ifdef HAVE_PRI - if (p->priindication_oob && p->sig == SIG_PRI) { - chan->hangupcause = AST_CAUSE_SWITCH_CONGESTION; - chan->_softhangup |= AST_SOFTHANGUP_DEV; - res = 0; - } else if (!p->progress && p->sig==SIG_PRI && p->pri && !p->outgoing) { - if (p->pri) { - if (!pri_grab(p, p->pri)) { - pri_progress(p->pri->pri,p->call, PVT_TO_CHANNEL(p), 1); - pri_rel(p->pri); - } else - ast_log(LOG_WARNING, "Unable to grab PRI on span %d\n", p->span); - } - p->progress = 1; - res = tone_zone_play_tone(p->subs[index].dfd, DAHDI_TONE_CONGESTION); - } else -#endif - res = tone_zone_play_tone(p->subs[index].dfd, DAHDI_TONE_CONGESTION); - break; - case AST_CONTROL_HOLD: -#ifdef HAVE_PRI - if (p->pri && !strcasecmp(p->mohinterpret, "passthrough")) { - if (!pri_grab(p, p->pri)) { - res = pri_notify(p->pri->pri, p->call, p->prioffset, PRI_NOTIFY_REMOTE_HOLD); - pri_rel(p->pri); - } else - ast_log(LOG_WARNING, "Unable to grab PRI on span %d\n", p->span); - } else -#endif - ast_moh_start(chan, data, p->mohinterpret); - break; - case AST_CONTROL_UNHOLD: -#ifdef HAVE_PRI - if (p->pri && !strcasecmp(p->mohinterpret, "passthrough")) { - if (!pri_grab(p, p->pri)) { - res = pri_notify(p->pri->pri, p->call, p->prioffset, PRI_NOTIFY_REMOTE_RETRIEVAL); - pri_rel(p->pri); - } else - ast_log(LOG_WARNING, "Unable to grab PRI on span %d\n", p->span); - } else -#endif - ast_moh_stop(chan); - break; - case AST_CONTROL_RADIO_KEY: - if (p->radio) - res = dahdi_set_hook(p->subs[index].dfd, DAHDI_OFFHOOK); - res = 0; - break; - case AST_CONTROL_RADIO_UNKEY: - if (p->radio) - res = dahdi_set_hook(p->subs[index].dfd, DAHDI_RINGOFF); - res = 0; - break; - case AST_CONTROL_FLASH: - /* flash hookswitch */ - if (ISTRUNK(p) && (p->sig != SIG_PRI)) { - /* Clear out the dial buffer */ - p->dop.dialstr[0] = '\0'; - if ((ioctl(p->subs[SUB_REAL].dfd,DAHDI_HOOK,&func) == -1) && (errno != EINPROGRESS)) { - ast_log(LOG_WARNING, "Unable to flash external trunk on channel %s: %s\n", - chan->name, strerror(errno)); - } else - res = 0; - } else - res = 0; - break; - case AST_CONTROL_SRCUPDATE: - res = 0; - break; - case -1: - res = tone_zone_play_tone(p->subs[index].dfd, -1); - break; - } - } else - res = 0; - ast_mutex_unlock(&p->lock); - return res; -} - -static struct ast_channel *dahdi_new(struct dahdi_pvt *i, int state, int startpbx, int index, int law, int transfercapability) -{ - struct ast_channel *tmp; - int deflaw; - int res; - int x,y; - int features; - char *b2 = NULL; - struct dahdi_params ps; - char chanprefix[*dahdi_chan_name_len + 4]; - - if (i->subs[index].owner) { - ast_log(LOG_WARNING, "Channel %d already has a %s call\n", i->channel,subnames[index]); - return NULL; - } - y = 1; - do { - if (b2) - free(b2); -#ifdef HAVE_PRI - if (i->bearer || (i->pri && (i->sig == SIG_FXSKS))) - b2 = ast_safe_string_alloc("%d:%d-%d", i->pri->trunkgroup, i->channel, y); - else -#endif - if (i->channel == CHAN_PSEUDO) - b2 = ast_safe_string_alloc("pseudo-%ld", ast_random()); - else - b2 = ast_safe_string_alloc("%d-%d", i->channel, y); - for (x = 0; x < 3; x++) { - if ((index != x) && i->subs[x].owner && !strcasecmp(b2, i->subs[x].owner->name + (!strncmp(i->subs[x].owner->name, "Zap", 3) ? 4 : 6))) - break; - } - y++; - } while (x < 3); - strcpy(chanprefix, dahdi_chan_name); - strcat(chanprefix, "/%s"); - tmp = ast_channel_alloc(0, state, i->cid_num, i->cid_name, i->accountcode, i->exten, i->context, i->amaflags, chanprefix, b2); - if (b2) /*!> b2 can be freed now, it's been copied into the channel structure */ - free(b2); - if (!tmp) - return NULL; - tmp->tech = chan_tech; - ps.channo = i->channel; - res = ioctl(i->subs[SUB_REAL].dfd, DAHDI_GET_PARAMS, &ps); - if (res) { - ast_log(LOG_WARNING, "Unable to get parameters, assuming MULAW: %s\n", strerror(errno)); - ps.curlaw = DAHDI_LAW_MULAW; - } - if (ps.curlaw == DAHDI_LAW_ALAW) - deflaw = AST_FORMAT_ALAW; - else - deflaw = AST_FORMAT_ULAW; - if (law) { - if (law == DAHDI_LAW_ALAW) - deflaw = AST_FORMAT_ALAW; - else - deflaw = AST_FORMAT_ULAW; - } - tmp->fds[0] = i->subs[index].dfd; - tmp->nativeformats = AST_FORMAT_SLINEAR | deflaw; - /* Start out assuming ulaw since it's smaller :) */ - tmp->rawreadformat = deflaw; - tmp->readformat = deflaw; - tmp->rawwriteformat = deflaw; - tmp->writeformat = deflaw; - i->subs[index].linear = 0; - dahdi_setlinear(i->subs[index].dfd, i->subs[index].linear); - features = 0; - if (index == SUB_REAL) { - if (i->busydetect && CANBUSYDETECT(i)) - features |= DSP_FEATURE_BUSY_DETECT; - if ((i->callprogress & 1) && CANPROGRESSDETECT(i)) - features |= DSP_FEATURE_CALL_PROGRESS; - if ((!i->outgoing && (i->callprogress & 4)) || - (i->outgoing && (i->callprogress & 2))) { - features |= DSP_FEATURE_FAX_DETECT; - } -#ifdef DAHDI_TONEDETECT - x = DAHDI_TONEDETECT_ON | DAHDI_TONEDETECT_MUTE; - if (ioctl(i->subs[index].dfd, DAHDI_TONEDETECT, &x)) { -#endif - i->hardwaredtmf = 0; - features |= DSP_FEATURE_DTMF_DETECT; -#ifdef DAHDI_TONEDETECT - } else if (NEED_MFDETECT(i)) { - i->hardwaredtmf = 1; - features |= DSP_FEATURE_DTMF_DETECT; - } -#endif - } - if (features) { - if (i->dsp) { - ast_log(LOG_DEBUG, "Already have a dsp on %s?\n", tmp->name); - } else { - if (i->channel != CHAN_PSEUDO) - i->dsp = ast_dsp_new(); - else - i->dsp = NULL; - if (i->dsp) { - i->dsp_features = features; -#ifdef HAVE_PRI - /* We cannot do progress detection until receives PROGRESS message */ - if (i->outgoing && (i->sig == SIG_PRI)) { - /* Remember requested DSP features, don't treat - talking as ANSWER */ - i->dsp_features = features & ~DSP_PROGRESS_TALK; - features = 0; - } -#endif - ast_dsp_set_features(i->dsp, features); - ast_dsp_digitmode(i->dsp, DSP_DIGITMODE_DTMF | i->dtmfrelax); - if (!ast_strlen_zero(progzone)) - ast_dsp_set_call_progress_zone(i->dsp, progzone); - if (i->busydetect && CANBUSYDETECT(i)) { - ast_dsp_set_busy_count(i->dsp, i->busycount); - ast_dsp_set_busy_pattern(i->dsp, i->busy_tonelength, i->busy_quietlength); - } - } - } - } - - if (state == AST_STATE_RING) - tmp->rings = 1; - tmp->tech_pvt = i; - if ((i->sig == SIG_FXOKS) || (i->sig == SIG_FXOGS) || (i->sig == SIG_FXOLS)) { - /* Only FXO signalled stuff can be picked up */ - tmp->callgroup = i->callgroup; - tmp->pickupgroup = i->pickupgroup; - } - if (!ast_strlen_zero(i->language)) - ast_string_field_set(tmp, language, i->language); - if (!i->owner) - i->owner = tmp; - if (!ast_strlen_zero(i->accountcode)) - ast_string_field_set(tmp, accountcode, i->accountcode); - if (i->amaflags) - tmp->amaflags = i->amaflags; - i->subs[index].owner = tmp; - ast_copy_string(tmp->context, i->context, sizeof(tmp->context)); - ast_string_field_set(tmp, call_forward, i->call_forward); - /* If we've been told "no ADSI" then enforce it */ - if (!i->adsi) - tmp->adsicpe = AST_ADSI_UNAVAILABLE; - if (!ast_strlen_zero(i->exten)) - ast_copy_string(tmp->exten, i->exten, sizeof(tmp->exten)); - if (!ast_strlen_zero(i->rdnis)) - tmp->cid.cid_rdnis = ast_strdup(i->rdnis); - if (!ast_strlen_zero(i->dnid)) - tmp->cid.cid_dnid = ast_strdup(i->dnid); - - /* Don't use ast_set_callerid() here because it will - * generate a needless NewCallerID event */ -#ifdef PRI_ANI - if (!ast_strlen_zero(i->cid_ani)) - tmp->cid.cid_ani = ast_strdup(i->cid_ani); - else - tmp->cid.cid_ani = ast_strdup(i->cid_num); -#else - tmp->cid.cid_ani = ast_strdup(i->cid_num); -#endif - tmp->cid.cid_pres = i->callingpres; - tmp->cid.cid_ton = i->cid_ton; -#ifdef HAVE_PRI - tmp->transfercapability = transfercapability; - pbx_builtin_setvar_helper(tmp, "TRANSFERCAPABILITY", ast_transfercapability2str(transfercapability)); - if (transfercapability & PRI_TRANS_CAP_DIGITAL) - i->digital = 1; - /* Assume calls are not idle calls unless we're told differently */ - i->isidlecall = 0; - i->alreadyhungup = 0; -#endif - /* clear the fake event in case we posted one before we had ast_channel */ - i->fake_event = 0; - /* Assure there is no confmute on this channel */ - dahdi_confmute(i, 0); - /* Configure the new channel jb */ - ast_jb_configure(tmp, &global_jbconf); - if (startpbx) { - if (ast_pbx_start(tmp)) { - ast_log(LOG_WARNING, "Unable to start PBX on %s\n", tmp->name); - ast_hangup(tmp); - i->owner = NULL; - return NULL; - } - } - - ast_module_ref(ast_module_info->self); - - return tmp; -} - - -static int my_getsigstr(struct ast_channel *chan, char *str, const char *term, int ms) -{ - char c; - - *str = 0; /* start with empty output buffer */ - for (;;) - { - /* Wait for the first digit (up to specified ms). */ - c = ast_waitfordigit(chan, ms); - /* if timeout, hangup or error, return as such */ - if (c < 1) - return c; - *str++ = c; - *str = 0; - if (strchr(term, c)) - return 1; - } -} - -static int dahdi_wink(struct dahdi_pvt *p, int index) -{ - int j; - dahdi_set_hook(p->subs[index].dfd, DAHDI_WINK); - for (;;) - { - /* set bits of interest */ - j = DAHDI_IOMUX_SIGEVENT; - /* wait for some happening */ - if (ioctl(p->subs[index].dfd,DAHDI_IOMUX,&j) == -1) return(-1); - /* exit loop if we have it */ - if (j & DAHDI_IOMUX_SIGEVENT) break; - } - /* get the event info */ - if (ioctl(p->subs[index].dfd,DAHDI_GETEVENT,&j) == -1) return(-1); - return 0; -} - -static void *ss_thread(void *data) -{ - struct ast_channel *chan = data; - struct dahdi_pvt *p = chan->tech_pvt; - char exten[AST_MAX_EXTENSION] = ""; - char exten2[AST_MAX_EXTENSION] = ""; - unsigned char buf[256]; - char dtmfcid[300]; - char dtmfbuf[300]; - struct callerid_state *cs = NULL; - char *name = NULL, *number = NULL; - int distMatches; - int curRingData[3]; - int receivedRingT; - int counter1; - int counter; - int samples = 0; - struct ast_smdi_md_message *smdi_msg = NULL; - int flags; - int i; - int timeout; - int getforward = 0; - char *s1, *s2; - int len = 0; - int res; - int index; - - ast_mutex_lock(&ss_thread_lock); - ss_thread_count++; - ast_mutex_unlock(&ss_thread_lock); - /* in the bizarre case where the channel has become a zombie before we - even get started here, abort safely - */ - if (!p) { - ast_log(LOG_WARNING, "Channel became a zombie before simple switch could be started (%s)\n", chan->name); - ast_hangup(chan); - goto quit; - } - if (option_verbose > 2) - ast_verbose( VERBOSE_PREFIX_3 "Starting simple switch on '%s'\n", chan->name); - index = dahdi_get_index(chan, p, 1); - if (index < 0) { - ast_log(LOG_WARNING, "Huh?\n"); - ast_hangup(chan); - goto quit; - } - if (p->dsp) - ast_dsp_digitreset(p->dsp); - switch (p->sig) { -#ifdef HAVE_PRI - case SIG_PRI: - /* Now loop looking for an extension */ - ast_copy_string(exten, p->exten, sizeof(exten)); - len = strlen(exten); - res = 0; - while ((len < AST_MAX_EXTENSION-1) && ast_matchmore_extension(chan, chan->context, exten, 1, p->cid_num)) { - if (len && !ast_ignore_pattern(chan->context, exten)) - tone_zone_play_tone(p->subs[index].dfd, -1); - else - tone_zone_play_tone(p->subs[index].dfd, DAHDI_TONE_DIALTONE); - if (ast_exists_extension(chan, chan->context, exten, 1, p->cid_num)) - timeout = matchdigittimeout; - else - timeout = gendigittimeout; - res = ast_waitfordigit(chan, timeout); - if (res < 0) { - ast_log(LOG_DEBUG, "waitfordigit returned < 0...\n"); - ast_hangup(chan); - goto quit; - } else if (res) { - exten[len++] = res; - exten[len] = '\0'; - } else - break; - } - /* if no extension was received ('unspecified') on overlap call, use the 's' extension */ - if (ast_strlen_zero(exten)) { - if (option_verbose > 2) - ast_verbose(VERBOSE_PREFIX_3 "Going to extension s|1 because of empty extension received on overlap call\n"); - exten[0] = 's'; - exten[1] = '\0'; - } - tone_zone_play_tone(p->subs[index].dfd, -1); - if (ast_exists_extension(chan, chan->context, exten, 1, p->cid_num)) { - /* Start the real PBX */ - ast_copy_string(chan->exten, exten, sizeof(chan->exten)); - if (p->dsp) ast_dsp_digitreset(p->dsp); - dahdi_enable_ec(p); - ast_setstate(chan, AST_STATE_RING); - res = ast_pbx_run(chan); - if (res) { - ast_log(LOG_WARNING, "PBX exited non-zero!\n"); - } - } else { - ast_log(LOG_DEBUG, "No such possible extension '%s' in context '%s'\n", exten, chan->context); - chan->hangupcause = AST_CAUSE_UNALLOCATED; - ast_hangup(chan); - p->exten[0] = '\0'; - /* Since we send release complete here, we won't get one */ - p->call = NULL; - } - goto quit; - break; -#endif - case SIG_FEATD: - case SIG_FEATDMF: - case SIG_FEATDMF_TA: - case SIG_E911: - case SIG_FGC_CAMAMF: - case SIG_FEATB: - case SIG_EMWINK: - case SIG_SF_FEATD: - case SIG_SF_FEATDMF: - case SIG_SF_FEATB: - case SIG_SFWINK: - if (dahdi_wink(p, index)) - goto quit; - /* Fall through */ - case SIG_EM: - case SIG_EM_E1: - case SIG_SF: - case SIG_FGC_CAMA: - res = tone_zone_play_tone(p->subs[index].dfd, -1); - if (p->dsp) - ast_dsp_digitreset(p->dsp); - /* set digit mode appropriately */ - if (p->dsp) { - if (NEED_MFDETECT(p)) - ast_dsp_digitmode(p->dsp,DSP_DIGITMODE_MF | p->dtmfrelax); - else - ast_dsp_digitmode(p->dsp,DSP_DIGITMODE_DTMF | p->dtmfrelax); - } - memset(dtmfbuf, 0, sizeof(dtmfbuf)); - /* Wait for the first digit only if immediate=no */ - if (!p->immediate) - /* Wait for the first digit (up to 5 seconds). */ - res = ast_waitfordigit(chan, 5000); - else - res = 0; - if (res > 0) { - /* save first char */ - dtmfbuf[0] = res; - switch (p->sig) { - case SIG_FEATD: - case SIG_SF_FEATD: - res = my_getsigstr(chan, dtmfbuf + 1, "*", 3000); - if (res > 0) - res = my_getsigstr(chan, dtmfbuf + strlen(dtmfbuf), "*", 3000); - if ((res < 1) && (p->dsp)) ast_dsp_digitreset(p->dsp); - break; - case SIG_FEATDMF_TA: - res = my_getsigstr(chan, dtmfbuf + 1, "#", 3000); - if ((res < 1) && (p->dsp)) ast_dsp_digitreset(p->dsp); - if (dahdi_wink(p, index)) goto quit; - dtmfbuf[0] = 0; - /* Wait for the first digit (up to 5 seconds). */ - res = ast_waitfordigit(chan, 5000); - if (res <= 0) break; - dtmfbuf[0] = res; - /* fall through intentionally */ - case SIG_FEATDMF: - case SIG_E911: - case SIG_FGC_CAMAMF: - case SIG_SF_FEATDMF: - res = my_getsigstr(chan, dtmfbuf + 1, "#", 3000); - /* if international caca, do it again to get real ANO */ - if ((p->sig == SIG_FEATDMF) && (dtmfbuf[1] != '0') && (strlen(dtmfbuf) != 14)) - { - if (dahdi_wink(p, index)) goto quit; - dtmfbuf[0] = 0; - /* Wait for the first digit (up to 5 seconds). */ - res = ast_waitfordigit(chan, 5000); - if (res <= 0) break; - dtmfbuf[0] = res; - res = my_getsigstr(chan, dtmfbuf + 1, "#", 3000); - } - if (res > 0) { - /* if E911, take off hook */ - if (p->sig == SIG_E911) - dahdi_set_hook(p->subs[SUB_REAL].dfd, DAHDI_OFFHOOK); - res = my_getsigstr(chan, dtmfbuf + strlen(dtmfbuf), "#", 3000); - } - if ((res < 1) && (p->dsp)) ast_dsp_digitreset(p->dsp); - break; - case SIG_FEATB: - case SIG_SF_FEATB: - res = my_getsigstr(chan, dtmfbuf + 1, "#", 3000); - if ((res < 1) && (p->dsp)) ast_dsp_digitreset(p->dsp); - break; - case SIG_EMWINK: - /* if we received a '*', we are actually receiving Feature Group D - dial syntax, so use that mode; otherwise, fall through to normal - mode - */ - if (res == '*') { - res = my_getsigstr(chan, dtmfbuf + 1, "*", 3000); - if (res > 0) - res = my_getsigstr(chan, dtmfbuf + strlen(dtmfbuf), "*", 3000); - if ((res < 1) && (p->dsp)) ast_dsp_digitreset(p->dsp); - break; - } - default: - /* If we got the first digit, get the rest */ - len = 1; - dtmfbuf[len] = '\0'; - while ((len < AST_MAX_EXTENSION-1) && ast_matchmore_extension(chan, chan->context, dtmfbuf, 1, p->cid_num)) { - if (ast_exists_extension(chan, chan->context, dtmfbuf, 1, p->cid_num)) { - timeout = matchdigittimeout; - } else { - timeout = gendigittimeout; - } - res = ast_waitfordigit(chan, timeout); - if (res < 0) { - ast_log(LOG_DEBUG, "waitfordigit returned < 0...\n"); - ast_hangup(chan); - goto quit; - } else if (res) { - dtmfbuf[len++] = res; - dtmfbuf[len] = '\0'; - } else { - break; - } - } - break; - } - } - if (res == -1) { - ast_log(LOG_WARNING, "getdtmf on channel %d: %s\n", p->channel, strerror(errno)); - ast_hangup(chan); - goto quit; - } else if (res < 0) { - ast_log(LOG_DEBUG, "Got hung up before digits finished\n"); - ast_hangup(chan); - goto quit; - } - - if (p->sig == SIG_FGC_CAMA) { - char anibuf[100]; - - if (ast_safe_sleep(chan,1000) == -1) { - ast_hangup(chan); - goto quit; - } - dahdi_set_hook(p->subs[SUB_REAL].dfd, DAHDI_OFFHOOK); - ast_dsp_digitmode(p->dsp,DSP_DIGITMODE_MF | p->dtmfrelax); - res = my_getsigstr(chan, anibuf, "#", 10000); - if ((res > 0) && (strlen(anibuf) > 2)) { - if (anibuf[strlen(anibuf) - 1] == '#') - anibuf[strlen(anibuf) - 1] = 0; - ast_set_callerid(chan, anibuf + 2, NULL, anibuf + 2); - } - ast_dsp_digitmode(p->dsp,DSP_DIGITMODE_DTMF | p->dtmfrelax); - } - - ast_copy_string(exten, dtmfbuf, sizeof(exten)); - if (ast_strlen_zero(exten)) - ast_copy_string(exten, "s", sizeof(exten)); - if (p->sig == SIG_FEATD || p->sig == SIG_EMWINK) { - /* Look for Feature Group D on all E&M Wink and Feature Group D trunks */ - if (exten[0] == '*') { - char *stringp=NULL; - ast_copy_string(exten2, exten, sizeof(exten2)); - /* Parse out extension and callerid */ - stringp=exten2 +1; - s1 = strsep(&stringp, "*"); - s2 = strsep(&stringp, "*"); - if (s2) { - if (!ast_strlen_zero(p->cid_num)) - ast_set_callerid(chan, p->cid_num, NULL, p->cid_num); - else - ast_set_callerid(chan, s1, NULL, s1); - ast_copy_string(exten, s2, sizeof(exten)); - } else - ast_copy_string(exten, s1, sizeof(exten)); - } else if (p->sig == SIG_FEATD) - ast_log(LOG_WARNING, "Got a non-Feature Group D input on channel %d. Assuming E&M Wink instead\n", p->channel); - } - if ((p->sig == SIG_FEATDMF) || (p->sig == SIG_FEATDMF_TA)) { - if (exten[0] == '*') { - char *stringp=NULL; - ast_copy_string(exten2, exten, sizeof(exten2)); - /* Parse out extension and callerid */ - stringp=exten2 +1; - s1 = strsep(&stringp, "#"); - s2 = strsep(&stringp, "#"); - if (s2) { - if (!ast_strlen_zero(p->cid_num)) - ast_set_callerid(chan, p->cid_num, NULL, p->cid_num); - else - if (*(s1 + 2)) - ast_set_callerid(chan, s1 + 2, NULL, s1 + 2); - ast_copy_string(exten, s2 + 1, sizeof(exten)); - } else - ast_copy_string(exten, s1 + 2, sizeof(exten)); - } else - ast_log(LOG_WARNING, "Got a non-Feature Group D input on channel %d. Assuming E&M Wink instead\n", p->channel); - } - if ((p->sig == SIG_E911) || (p->sig == SIG_FGC_CAMAMF)) { - if (exten[0] == '*') { - char *stringp=NULL; - ast_copy_string(exten2, exten, sizeof(exten2)); - /* Parse out extension and callerid */ - stringp=exten2 +1; - s1 = strsep(&stringp, "#"); - s2 = strsep(&stringp, "#"); - if (s2 && (*(s2 + 1) == '0')) { - if (*(s2 + 2)) - ast_set_callerid(chan, s2 + 2, NULL, s2 + 2); - } - if (s1) ast_copy_string(exten, s1, sizeof(exten)); - else ast_copy_string(exten, "911", sizeof(exten)); - } else - ast_log(LOG_WARNING, "Got a non-E911/FGC CAMA input on channel %d. Assuming E&M Wink instead\n", p->channel); - } - if (p->sig == SIG_FEATB) { - if (exten[0] == '*') { - char *stringp=NULL; - ast_copy_string(exten2, exten, sizeof(exten2)); - /* Parse out extension and callerid */ - stringp=exten2 +1; - s1 = strsep(&stringp, "#"); - ast_copy_string(exten, exten2 + 1, sizeof(exten)); - } else - ast_log(LOG_WARNING, "Got a non-Feature Group B input on channel %d. Assuming E&M Wink instead\n", p->channel); - } - if ((p->sig == SIG_FEATDMF) || (p->sig == SIG_FEATDMF_TA)) { - dahdi_wink(p, index); - /* some switches require a minimum guard time between - the last FGD wink and something that answers - immediately. This ensures it */ - if (ast_safe_sleep(chan,100)) goto quit; - } - dahdi_enable_ec(p); - if (NEED_MFDETECT(p)) { - if (p->dsp) { - if (!p->hardwaredtmf) - ast_dsp_digitmode(p->dsp,DSP_DIGITMODE_DTMF | p->dtmfrelax); - else { - ast_dsp_free(p->dsp); - p->dsp = NULL; - } - } - } - - if (ast_exists_extension(chan, chan->context, exten, 1, chan->cid.cid_num)) { - ast_copy_string(chan->exten, exten, sizeof(chan->exten)); - if (p->dsp) ast_dsp_digitreset(p->dsp); - res = ast_pbx_run(chan); - if (res) { - ast_log(LOG_WARNING, "PBX exited non-zero\n"); - res = tone_zone_play_tone(p->subs[index].dfd, DAHDI_TONE_CONGESTION); - } - goto quit; - } else { - if (option_verbose > 2) - ast_verbose(VERBOSE_PREFIX_2 "Unknown extension '%s' in context '%s' requested\n", exten, chan->context); - sleep(2); - res = tone_zone_play_tone(p->subs[index].dfd, DAHDI_TONE_INFO); - if (res < 0) - ast_log(LOG_WARNING, "Unable to start special tone on %d\n", p->channel); - else - sleep(1); - res = ast_streamfile(chan, "ss-noservice", chan->language); - if (res >= 0) - ast_waitstream(chan, ""); - res = tone_zone_play_tone(p->subs[index].dfd, DAHDI_TONE_CONGESTION); - ast_hangup(chan); - goto quit; - } - break; - case SIG_FXOLS: - case SIG_FXOGS: - case SIG_FXOKS: - /* Read the first digit */ - timeout = firstdigittimeout; - /* If starting a threeway call, never timeout on the first digit so someone - can use flash-hook as a "hold" feature */ - if (p->subs[SUB_THREEWAY].owner) - timeout = 999999; - while (len < AST_MAX_EXTENSION-1) { - /* Read digit unless it's supposed to be immediate, in which case the - only answer is 's' */ - if (p->immediate) - res = 's'; - else - res = ast_waitfordigit(chan, timeout); - timeout = 0; - if (res < 0) { - ast_log(LOG_DEBUG, "waitfordigit returned < 0...\n"); - res = tone_zone_play_tone(p->subs[index].dfd, -1); - ast_hangup(chan); - goto quit; - } else if (res) { - exten[len++]=res; - exten[len] = '\0'; - } - if (!ast_ignore_pattern(chan->context, exten)) - tone_zone_play_tone(p->subs[index].dfd, -1); - else - tone_zone_play_tone(p->subs[index].dfd, DAHDI_TONE_DIALTONE); - if (ast_exists_extension(chan, chan->context, exten, 1, p->cid_num) && strcmp(exten, ast_parking_ext())) { - if (!res || !ast_matchmore_extension(chan, chan->context, exten, 1, p->cid_num)) { - if (getforward) { - /* Record this as the forwarding extension */ - ast_copy_string(p->call_forward, exten, sizeof(p->call_forward)); - if (option_verbose > 2) - ast_verbose(VERBOSE_PREFIX_3 "Setting call forward to '%s' on channel %d\n", p->call_forward, p->channel); - res = tone_zone_play_tone(p->subs[index].dfd, DAHDI_TONE_DIALRECALL); - if (res) - break; - usleep(500000); - res = tone_zone_play_tone(p->subs[index].dfd, -1); - sleep(1); - memset(exten, 0, sizeof(exten)); - res = tone_zone_play_tone(p->subs[index].dfd, DAHDI_TONE_DIALTONE); - len = 0; - getforward = 0; - } else { - res = tone_zone_play_tone(p->subs[index].dfd, -1); - ast_copy_string(chan->exten, exten, sizeof(chan->exten)); - if (!ast_strlen_zero(p->cid_num)) { - if (!p->hidecallerid) - ast_set_callerid(chan, p->cid_num, NULL, p->cid_num); - else - ast_set_callerid(chan, NULL, NULL, p->cid_num); - } - if (!ast_strlen_zero(p->cid_name)) { - if (!p->hidecallerid) - ast_set_callerid(chan, NULL, p->cid_name, NULL); - } - ast_setstate(chan, AST_STATE_RING); - dahdi_enable_ec(p); - res = ast_pbx_run(chan); - if (res) { - ast_log(LOG_WARNING, "PBX exited non-zero\n"); - res = tone_zone_play_tone(p->subs[index].dfd, DAHDI_TONE_CONGESTION); - } - goto quit; - } - } else { - /* It's a match, but they just typed a digit, and there is an ambiguous match, - so just set the timeout to matchdigittimeout and wait some more */ - timeout = matchdigittimeout; - } - } else if (res == 0) { - ast_log(LOG_DEBUG, "not enough digits (and no ambiguous match)...\n"); - res = tone_zone_play_tone(p->subs[index].dfd, DAHDI_TONE_CONGESTION); - dahdi_wait_event(p->subs[index].dfd); - ast_hangup(chan); - goto quit; - } else if (p->callwaiting && !strcmp(exten, "*70")) { - if (option_verbose > 2) - ast_verbose(VERBOSE_PREFIX_3 "Disabling call waiting on %s\n", chan->name); - /* Disable call waiting if enabled */ - p->callwaiting = 0; - res = tone_zone_play_tone(p->subs[index].dfd, DAHDI_TONE_DIALRECALL); - if (res) { - ast_log(LOG_WARNING, "Unable to do dial recall on channel %s: %s\n", - chan->name, strerror(errno)); - } - len = 0; - ioctl(p->subs[index].dfd,DAHDI_CONFDIAG,&len); - memset(exten, 0, sizeof(exten)); - timeout = firstdigittimeout; - - } else if (!strcmp(exten,ast_pickup_ext())) { - /* Scan all channels and see if there are any - * ringing channels that have call groups - * that equal this channels pickup group - */ - if (index == SUB_REAL) { - /* Switch us from Third call to Call Wait */ - if (p->subs[SUB_THREEWAY].owner) { - /* If you make a threeway call and the *8# a call, it should actually - look like a callwait */ - alloc_sub(p, SUB_CALLWAIT); - swap_subs(p, SUB_CALLWAIT, SUB_THREEWAY); - unalloc_sub(p, SUB_THREEWAY); - } - dahdi_enable_ec(p); - if (ast_pickup_call(chan)) { - ast_log(LOG_DEBUG, "No call pickup possible...\n"); - res = tone_zone_play_tone(p->subs[index].dfd, DAHDI_TONE_CONGESTION); - dahdi_wait_event(p->subs[index].dfd); - } - ast_hangup(chan); - goto quit; - } else { - ast_log(LOG_WARNING, "Huh? Got *8# on call not on real\n"); - ast_hangup(chan); - goto quit; - } - - } else if (!p->hidecallerid && !strcmp(exten, "*67")) { - if (option_verbose > 2) - ast_verbose(VERBOSE_PREFIX_3 "Disabling Caller*ID on %s\n", chan->name); - /* Disable Caller*ID if enabled */ - p->hidecallerid = 1; - if (chan->cid.cid_num) - free(chan->cid.cid_num); - chan->cid.cid_num = NULL; - if (chan->cid.cid_name) - free(chan->cid.cid_name); - chan->cid.cid_name = NULL; - res = tone_zone_play_tone(p->subs[index].dfd, DAHDI_TONE_DIALRECALL); - if (res) { - ast_log(LOG_WARNING, "Unable to do dial recall on channel %s: %s\n", - chan->name, strerror(errno)); - } - len = 0; - memset(exten, 0, sizeof(exten)); - timeout = firstdigittimeout; - } else if (p->callreturn && !strcmp(exten, "*69")) { - res = 0; - if (!ast_strlen_zero(p->lastcid_num)) { - res = ast_say_digit_str(chan, p->lastcid_num, "", chan->language); - } - if (!res) - res = tone_zone_play_tone(p->subs[index].dfd, DAHDI_TONE_DIALRECALL); - break; - } else if (!strcmp(exten, "*78")) { - /* Do not disturb */ - if (option_verbose > 2) - ast_verbose(VERBOSE_PREFIX_3 "Enabled DND on channel %d\n", p->channel); - manager_event(EVENT_FLAG_SYSTEM, "DNDState", - "Channel: %s/%d\r\n" - "Status: enabled\r\n", dahdi_chan_name, p->channel); - res = tone_zone_play_tone(p->subs[index].dfd, DAHDI_TONE_DIALRECALL); - p->dnd = 1; - getforward = 0; - memset(exten, 0, sizeof(exten)); - len = 0; - } else if (!strcmp(exten, "*79")) { - /* Do not disturb */ - if (option_verbose > 2) - ast_verbose(VERBOSE_PREFIX_3 "Disabled DND on channel %d\n", p->channel); - manager_event(EVENT_FLAG_SYSTEM, "DNDState", - "Channel: %s/%d\r\n" - "Status: disabled\r\n", dahdi_chan_name, p->channel); - res = tone_zone_play_tone(p->subs[index].dfd, DAHDI_TONE_DIALRECALL); - p->dnd = 0; - getforward = 0; - memset(exten, 0, sizeof(exten)); - len = 0; - } else if (p->cancallforward && !strcmp(exten, "*72")) { - res = tone_zone_play_tone(p->subs[index].dfd, DAHDI_TONE_DIALRECALL); - getforward = 1; - memset(exten, 0, sizeof(exten)); - len = 0; - } else if (p->cancallforward && !strcmp(exten, "*73")) { - if (option_verbose > 2) - ast_verbose(VERBOSE_PREFIX_3 "Cancelling call forwarding on channel %d\n", p->channel); - res = tone_zone_play_tone(p->subs[index].dfd, DAHDI_TONE_DIALRECALL); - memset(p->call_forward, 0, sizeof(p->call_forward)); - getforward = 0; - memset(exten, 0, sizeof(exten)); - len = 0; - } else if ((p->transfer || p->canpark) && !strcmp(exten, ast_parking_ext()) && - p->subs[SUB_THREEWAY].owner && - ast_bridged_channel(p->subs[SUB_THREEWAY].owner)) { - /* This is a three way call, the main call being a real channel, - and we're parking the first call. */ - ast_masq_park_call(ast_bridged_channel(p->subs[SUB_THREEWAY].owner), chan, 0, NULL); - if (option_verbose > 2) - ast_verbose(VERBOSE_PREFIX_3 "Parking call to '%s'\n", chan->name); - break; - } else if (!ast_strlen_zero(p->lastcid_num) && !strcmp(exten, "*60")) { - if (option_verbose > 2) - ast_verbose(VERBOSE_PREFIX_3 "Blacklisting number %s\n", p->lastcid_num); - res = ast_db_put("blacklist", p->lastcid_num, "1"); - if (!res) { - res = tone_zone_play_tone(p->subs[index].dfd, DAHDI_TONE_DIALRECALL); - memset(exten, 0, sizeof(exten)); - len = 0; - } - } else if (p->hidecallerid && !strcmp(exten, "*82")) { - if (option_verbose > 2) - ast_verbose(VERBOSE_PREFIX_3 "Enabling Caller*ID on %s\n", chan->name); - /* Enable Caller*ID if enabled */ - p->hidecallerid = 0; - if (chan->cid.cid_num) - free(chan->cid.cid_num); - chan->cid.cid_num = NULL; - if (chan->cid.cid_name) - free(chan->cid.cid_name); - chan->cid.cid_name = NULL; - ast_set_callerid(chan, p->cid_num, p->cid_name, NULL); - res = tone_zone_play_tone(p->subs[index].dfd, DAHDI_TONE_DIALRECALL); - if (res) { - ast_log(LOG_WARNING, "Unable to do dial recall on channel %s: %s\n", - chan->name, strerror(errno)); - } - len = 0; - memset(exten, 0, sizeof(exten)); - timeout = firstdigittimeout; - } else if (!strcmp(exten, "*0")) { - struct ast_channel *nbridge = - p->subs[SUB_THREEWAY].owner; - struct dahdi_pvt *pbridge = NULL; - /* set up the private struct of the bridged one, if any */ - if (nbridge && ast_bridged_channel(nbridge)) - pbridge = ast_bridged_channel(nbridge)->tech_pvt; - if (nbridge && pbridge && - (nbridge->tech == chan_tech) && - (ast_bridged_channel(nbridge)->tech == chan_tech) && - ISTRUNK(pbridge)) { - int func = DAHDI_FLASH; - /* Clear out the dial buffer */ - p->dop.dialstr[0] = '\0'; - /* flash hookswitch */ - if ((ioctl(pbridge->subs[SUB_REAL].dfd,DAHDI_HOOK,&func) == -1) && (errno != EINPROGRESS)) { - ast_log(LOG_WARNING, "Unable to flash external trunk on channel %s: %s\n", - nbridge->name, strerror(errno)); - } - swap_subs(p, SUB_REAL, SUB_THREEWAY); - unalloc_sub(p, SUB_THREEWAY); - p->owner = p->subs[SUB_REAL].owner; - if (ast_bridged_channel(p->subs[SUB_REAL].owner)) - ast_queue_control(p->subs[SUB_REAL].owner, AST_CONTROL_UNHOLD); - ast_hangup(chan); - goto quit; - } else { - tone_zone_play_tone(p->subs[index].dfd, DAHDI_TONE_CONGESTION); - dahdi_wait_event(p->subs[index].dfd); - tone_zone_play_tone(p->subs[index].dfd, -1); - swap_subs(p, SUB_REAL, SUB_THREEWAY); - unalloc_sub(p, SUB_THREEWAY); - p->owner = p->subs[SUB_REAL].owner; - ast_hangup(chan); - goto quit; - } - } else if (!ast_canmatch_extension(chan, chan->context, exten, 1, chan->cid.cid_num) && - ((exten[0] != '*') || (strlen(exten) > 2))) { - if (option_debug) - ast_log(LOG_DEBUG, "Can't match %s from '%s' in context %s\n", exten, chan->cid.cid_num ? chan->cid.cid_num : "<Unknown Caller>", chan->context); - break; - } - if (!timeout) - timeout = gendigittimeout; - if (len && !ast_ignore_pattern(chan->context, exten)) - tone_zone_play_tone(p->subs[index].dfd, -1); - } - break; - case SIG_FXSLS: - case SIG_FXSGS: - case SIG_FXSKS: -#ifdef HAVE_PRI - if (p->pri) { - /* This is a GR-303 trunk actually. Wait for the first ring... */ - struct ast_frame *f; - int res; - time_t start; - - time(&start); - ast_setstate(chan, AST_STATE_RING); - while (time(NULL) < start + 3) { - res = ast_waitfor(chan, 1000); - if (res) { - f = ast_read(chan); - if (!f) { - ast_log(LOG_WARNING, "Whoa, hangup while waiting for first ring!\n"); - ast_hangup(chan); - goto quit; - } else if ((f->frametype == AST_FRAME_CONTROL) && (f->subclass == AST_CONTROL_RING)) { - res = 1; - } else - res = 0; - ast_frfree(f); - if (res) { - ast_log(LOG_DEBUG, "Got ring!\n"); - res = 0; - break; - } - } - } - } -#endif - /* check for SMDI messages */ - if (p->use_smdi && p->smdi_iface) { - smdi_msg = ast_smdi_md_message_wait(p->smdi_iface, SMDI_MD_WAIT_TIMEOUT); - - if (smdi_msg != NULL) { - ast_copy_string(chan->exten, smdi_msg->fwd_st, sizeof(chan->exten)); - - if (smdi_msg->type == 'B') - pbx_builtin_setvar_helper(chan, "_SMDI_VM_TYPE", "b"); - else if (smdi_msg->type == 'N') - pbx_builtin_setvar_helper(chan, "_SMDI_VM_TYPE", "u"); - - ast_log(LOG_DEBUG, "Recieved SMDI message on %s\n", chan->name); - } else { - ast_log(LOG_WARNING, "SMDI enabled but no SMDI message present\n"); - } - } - - if (p->use_callerid && (p->cid_signalling == CID_SIG_SMDI && smdi_msg)) { - number = smdi_msg->calling_st; - - /* If we want caller id, we're in a prering state due to a polarity reversal - * and we're set to use a polarity reversal to trigger the start of caller id, - * grab the caller id and wait for ringing to start... */ - } else if (p->use_callerid && (chan->_state == AST_STATE_PRERING && p->cid_start == CID_START_POLARITY)) { - /* If set to use DTMF CID signalling, listen for DTMF */ - if (p->cid_signalling == CID_SIG_DTMF) { - int i = 0; - cs = NULL; - ast_log(LOG_DEBUG, "Receiving DTMF cid on " - "channel %s\n", chan->name); - dahdi_setlinear(p->subs[index].dfd, 0); - res = 2000; - for (;;) { - struct ast_frame *f; - res = ast_waitfor(chan, res); - if (res <= 0) { - ast_log(LOG_WARNING, "DTMFCID timed out waiting for ring. " - "Exiting simple switch\n"); - ast_hangup(chan); - goto quit; - } - f = ast_read(chan); - if (!f) - break; - if (f->frametype == AST_FRAME_DTMF) { - dtmfbuf[i++] = f->subclass; - ast_log(LOG_DEBUG, "CID got digit '%c'\n", f->subclass); - res = 2000; - } - ast_frfree(f); - if (chan->_state == AST_STATE_RING || - chan->_state == AST_STATE_RINGING) - break; /* Got ring */ - } - dtmfbuf[i] = '\0'; - dahdi_setlinear(p->subs[index].dfd, p->subs[index].linear); - /* Got cid and ring. */ - ast_log(LOG_DEBUG, "CID got string '%s'\n", dtmfbuf); - callerid_get_dtmf(dtmfbuf, dtmfcid, &flags); - ast_log(LOG_DEBUG, "CID is '%s', flags %d\n", - dtmfcid, flags); - /* If first byte is NULL, we have no cid */ - if (!ast_strlen_zero(dtmfcid)) - number = dtmfcid; - else - number = NULL; - /* If set to use V23 Signalling, launch our FSK gubbins and listen for it */ - } else if ((p->cid_signalling == CID_SIG_V23) || (p->cid_signalling == CID_SIG_V23_JP)) { - cs = callerid_new(p->cid_signalling); - if (cs) { - samples = 0; -#if 1 - bump_gains(p); -#endif - /* Take out of linear mode for Caller*ID processing */ - dahdi_setlinear(p->subs[index].dfd, 0); - - /* First we wait and listen for the Caller*ID */ - for (;;) { - i = DAHDI_IOMUX_READ | DAHDI_IOMUX_SIGEVENT; - if ((res = ioctl(p->subs[index].dfd, DAHDI_IOMUX, &i))) { - ast_log(LOG_WARNING, "I/O MUX failed: %s\n", strerror(errno)); - callerid_free(cs); - ast_hangup(chan); - goto quit; - } - if (i & DAHDI_IOMUX_SIGEVENT) { - res = dahdi_get_event(p->subs[index].dfd); - ast_log(LOG_NOTICE, "Got event %d (%s)...\n", res, event2str(res)); - - if (p->cid_signalling == CID_SIG_V23_JP) { -#ifdef DAHDI_EVENT_RINGBEGIN - if (res == DAHDI_EVENT_RINGBEGIN) { - res = dahdi_set_hook(p->subs[SUB_REAL].dfd, DAHDI_OFFHOOK); - usleep(1); - } -#endif - } else { - res = 0; - break; - } - } else if (i & DAHDI_IOMUX_READ) { - res = read(p->subs[index].dfd, buf, sizeof(buf)); - if (res < 0) { - if (errno != ELAST) { - ast_log(LOG_WARNING, "read returned error: %s\n", strerror(errno)); - callerid_free(cs); - ast_hangup(chan); - goto quit; - } - break; - } - samples += res; - - if (p->cid_signalling == CID_SIG_V23_JP) { - res = callerid_feed_jp(cs, buf, res, AST_LAW(p)); - } else { - res = callerid_feed(cs, buf, res, AST_LAW(p)); - } - - if (res < 0) { - ast_log(LOG_WARNING, "CallerID feed failed on channel '%s'\n", chan->name); - break; - } else if (res) - break; - else if (samples > (8000 * 10)) - break; - } - } - if (res == 1) { - callerid_get(cs, &name, &number, &flags); - ast_log(LOG_NOTICE, "CallerID number: %s, name: %s, flags=%d\n", number, name, flags); - } - - if (p->cid_signalling == CID_SIG_V23_JP) { - res = dahdi_set_hook(p->subs[SUB_REAL].dfd, DAHDI_ONHOOK); - usleep(1); - res = 4000; - } else { - - /* Finished with Caller*ID, now wait for a ring to make sure there really is a call coming */ - res = 2000; - } - - for (;;) { - struct ast_frame *f; - res = ast_waitfor(chan, res); - if (res <= 0) { - ast_log(LOG_WARNING, "CID timed out waiting for ring. " - "Exiting simple switch\n"); - ast_hangup(chan); - goto quit; - } - if (!(f = ast_read(chan))) { - ast_log(LOG_WARNING, "Hangup received waiting for ring. Exiting simple switch\n"); - ast_hangup(chan); - goto quit; - } - ast_frfree(f); - if (chan->_state == AST_STATE_RING || - chan->_state == AST_STATE_RINGING) - break; /* Got ring */ - } - - /* We must have a ring by now, so, if configured, lets try to listen for - * distinctive ringing */ - if (p->usedistinctiveringdetection == 1) { - len = 0; - distMatches = 0; - /* Clear the current ring data array so we dont have old data in it. */ - for (receivedRingT = 0; receivedRingT < (sizeof(curRingData) / sizeof(curRingData[0])); receivedRingT++) - curRingData[receivedRingT] = 0; - receivedRingT = 0; - counter = 0; - counter1 = 0; - /* Check to see if context is what it should be, if not set to be. */ - if (strcmp(p->context,p->defcontext) != 0) { - ast_copy_string(p->context, p->defcontext, sizeof(p->context)); - ast_copy_string(chan->context,p->defcontext,sizeof(chan->context)); - } - - for (;;) { - i = DAHDI_IOMUX_READ | DAHDI_IOMUX_SIGEVENT; - if ((res = ioctl(p->subs[index].dfd, DAHDI_IOMUX, &i))) { - ast_log(LOG_WARNING, "I/O MUX failed: %s\n", strerror(errno)); - callerid_free(cs); - ast_hangup(chan); - goto quit; - } - if (i & DAHDI_IOMUX_SIGEVENT) { - res = dahdi_get_event(p->subs[index].dfd); - ast_log(LOG_NOTICE, "Got event %d (%s)...\n", res, event2str(res)); - res = 0; - /* Let us detect distinctive ring */ - - curRingData[receivedRingT] = p->ringt; - - if (p->ringt < p->ringt_base/2) - break; - /* Increment the ringT counter so we can match it against - values in chan_dahdi.conf for distinctive ring */ - if (++receivedRingT == (sizeof(curRingData) / sizeof(curRingData[0]))) - break; - } else if (i & DAHDI_IOMUX_READ) { - res = read(p->subs[index].dfd, buf, sizeof(buf)); - if (res < 0) { - if (errno != ELAST) { - ast_log(LOG_WARNING, "read returned error: %s\n", strerror(errno)); - callerid_free(cs); - ast_hangup(chan); - goto quit; - } - break; - } - if (p->ringt) - p->ringt--; - if (p->ringt == 1) { - res = -1; - break; - } - } - } - if (option_verbose > 2) - /* this only shows up if you have n of the dring patterns filled in */ - ast_verbose( VERBOSE_PREFIX_3 "Detected ring pattern: %d,%d,%d\n",curRingData[0],curRingData[1],curRingData[2]); - - for (counter = 0; counter < 3; counter++) { - /* Check to see if the rings we received match any of the ones in chan_dahdi.conf for this - channel */ - distMatches = 0; - for (counter1 = 0; counter1 < 3; counter1++) { - if (curRingData[counter1] <= (p->drings.ringnum[counter].ring[counter1]+10) && curRingData[counter1] >= - (p->drings.ringnum[counter].ring[counter1]-10)) { - distMatches++; - } - } - if (distMatches == 3) { - /* The ring matches, set the context to whatever is for distinctive ring.. */ - ast_copy_string(p->context, p->drings.ringContext[counter].contextData, sizeof(p->context)); - ast_copy_string(chan->context, p->drings.ringContext[counter].contextData, sizeof(chan->context)); - if (option_verbose > 2) - ast_verbose( VERBOSE_PREFIX_3 "Distinctive Ring matched context %s\n",p->context); - break; - } - } - } - /* Restore linear mode (if appropriate) for Caller*ID processing */ - dahdi_setlinear(p->subs[index].dfd, p->subs[index].linear); -#if 1 - restore_gains(p); -#endif - } else - ast_log(LOG_WARNING, "Unable to get caller ID space\n"); - } else { - ast_log(LOG_WARNING, "Channel %s in prering " - "state, but I have nothing to do. " - "Terminating simple switch, should be " - "restarted by the actual ring.\n", - chan->name); - ast_hangup(chan); - goto quit; - } - } else if (p->use_callerid && p->cid_start == CID_START_RING) { - /* FSK Bell202 callerID */ - cs = callerid_new(p->cid_signalling); - if (cs) { -#if 1 - bump_gains(p); -#endif - samples = 0; - len = 0; - distMatches = 0; - /* Clear the current ring data array so we dont have old data in it. */ - for (receivedRingT = 0; receivedRingT < (sizeof(curRingData) / sizeof(curRingData[0])); receivedRingT++) - curRingData[receivedRingT] = 0; - receivedRingT = 0; - counter = 0; - counter1 = 0; - /* Check to see if context is what it should be, if not set to be. */ - if (strcmp(p->context,p->defcontext) != 0) { - ast_copy_string(p->context, p->defcontext, sizeof(p->context)); - ast_copy_string(chan->context,p->defcontext,sizeof(chan->context)); - } - - /* Take out of linear mode for Caller*ID processing */ - dahdi_setlinear(p->subs[index].dfd, 0); - for (;;) { - i = DAHDI_IOMUX_READ | DAHDI_IOMUX_SIGEVENT; - if ((res = ioctl(p->subs[index].dfd, DAHDI_IOMUX, &i))) { - ast_log(LOG_WARNING, "I/O MUX failed: %s\n", strerror(errno)); - callerid_free(cs); - ast_hangup(chan); - goto quit; - } - if (i & DAHDI_IOMUX_SIGEVENT) { - res = dahdi_get_event(p->subs[index].dfd); - ast_log(LOG_NOTICE, "Got event %d (%s)...\n", res, event2str(res)); - /* If we get a PR event, they hung up while processing calerid */ - if ( res == DAHDI_EVENT_POLARITY && p->hanguponpolarityswitch && p->polarity == POLARITY_REV) { - ast_log(LOG_DEBUG, "Hanging up due to polarity reversal on channel %d while detecting callerid\n", p->channel); - p->polarity = POLARITY_IDLE; - callerid_free(cs); - ast_hangup(chan); - goto quit; - } - res = 0; - /* Let us detect callerid when the telco uses distinctive ring */ - - curRingData[receivedRingT] = p->ringt; - - if (p->ringt < p->ringt_base/2) - break; - /* Increment the ringT counter so we can match it against - values in chan_dahdi.conf for distinctive ring */ - if (++receivedRingT == (sizeof(curRingData) / sizeof(curRingData[0]))) - break; - } else if (i & DAHDI_IOMUX_READ) { - res = read(p->subs[index].dfd, buf, sizeof(buf)); - if (res < 0) { - if (errno != ELAST) { - ast_log(LOG_WARNING, "read returned error: %s\n", strerror(errno)); - callerid_free(cs); - ast_hangup(chan); - goto quit; - } - break; - } - if (p->ringt) - p->ringt--; - if (p->ringt == 1) { - res = -1; - break; - } - samples += res; - res = callerid_feed(cs, buf, res, AST_LAW(p)); - if (res < 0) { - ast_log(LOG_WARNING, "CallerID feed failed: %s\n", strerror(errno)); - break; - } else if (res) - break; - else if (samples > (8000 * 10)) - break; - } - } - if (res == 1) { - callerid_get(cs, &name, &number, &flags); - if (option_debug) - ast_log(LOG_DEBUG, "CallerID number: %s, name: %s, flags=%d\n", number, name, flags); - } - if (distinctiveringaftercid == 1) { - /* Clear the current ring data array so we dont have old data in it. */ - for (receivedRingT = 0; receivedRingT < 3; receivedRingT++) { - curRingData[receivedRingT] = 0; - } - receivedRingT = 0; - if (option_verbose > 2) - ast_verbose( VERBOSE_PREFIX_3 "Detecting post-CID distinctive ring\n"); - for (;;) { - i = DAHDI_IOMUX_READ | DAHDI_IOMUX_SIGEVENT; - if ((res = ioctl(p->subs[index].dfd, DAHDI_IOMUX, &i))) { - ast_log(LOG_WARNING, "I/O MUX failed: %s\n", strerror(errno)); - callerid_free(cs); - ast_hangup(chan); - goto quit; - } - if (i & DAHDI_IOMUX_SIGEVENT) { - res = dahdi_get_event(p->subs[index].dfd); - ast_log(LOG_NOTICE, "Got event %d (%s)...\n", res, event2str(res)); - res = 0; - /* Let us detect callerid when the telco uses distinctive ring */ - - curRingData[receivedRingT] = p->ringt; - - if (p->ringt < p->ringt_base/2) - break; - /* Increment the ringT counter so we can match it against - values in chan_dahdi.conf for distinctive ring */ - if (++receivedRingT == (sizeof(curRingData) / sizeof(curRingData[0]))) - break; - } else if (i & DAHDI_IOMUX_READ) { - res = read(p->subs[index].dfd, buf, sizeof(buf)); - if (res < 0) { - if (errno != ELAST) { - ast_log(LOG_WARNING, "read returned error: %s\n", strerror(errno)); - callerid_free(cs); - ast_hangup(chan); - goto quit; - } - break; - } - if (p->ringt) - p->ringt--; - if (p->ringt == 1) { - res = -1; - break; - } - } - } - } - if (p->usedistinctiveringdetection == 1) { - if (option_verbose > 2) - /* this only shows up if you have n of the dring patterns filled in */ - ast_verbose( VERBOSE_PREFIX_3 "Detected ring pattern: %d,%d,%d\n",curRingData[0],curRingData[1],curRingData[2]); - - for (counter = 0; counter < 3; counter++) { - /* Check to see if the rings we received match any of the ones in chan_dahdi.conf for this - channel */ - if (option_verbose > 2) - /* this only shows up if you have n of the dring patterns filled in */ - ast_verbose( VERBOSE_PREFIX_3 "Checking %d,%d,%d\n", - p->drings.ringnum[counter].ring[0], - p->drings.ringnum[counter].ring[1], - p->drings.ringnum[counter].ring[2]); - distMatches = 0; - for (counter1 = 0; counter1 < 3; counter1++) { - if (curRingData[counter1] <= (p->drings.ringnum[counter].ring[counter1]+10) && curRingData[counter1] >= - (p->drings.ringnum[counter].ring[counter1]-10)) { - distMatches++; - } - } - if (distMatches == 3) { - /* The ring matches, set the context to whatever is for distinctive ring.. */ - ast_copy_string(p->context, p->drings.ringContext[counter].contextData, sizeof(p->context)); - ast_copy_string(chan->context, p->drings.ringContext[counter].contextData, sizeof(chan->context)); - if (option_verbose > 2) - ast_verbose( VERBOSE_PREFIX_3 "Distinctive Ring matched context %s\n",p->context); - break; - } - } - } - /* Restore linear mode (if appropriate) for Caller*ID processing */ - dahdi_setlinear(p->subs[index].dfd, p->subs[index].linear); -#if 1 - restore_gains(p); -#endif - if (res < 0) { - ast_log(LOG_WARNING, "CallerID returned with error on channel '%s'\n", chan->name); - } - } else - ast_log(LOG_WARNING, "Unable to get caller ID space\n"); - } - else - cs = NULL; - - if (number) - ast_shrink_phone_number(number); - ast_set_callerid(chan, number, name, number); - - if (smdi_msg) - ASTOBJ_UNREF(smdi_msg, ast_smdi_md_message_destroy); - - if (cs) - callerid_free(cs); - - ast_setstate(chan, AST_STATE_RING); - chan->rings = 1; - p->ringt = p->ringt_base; - res = ast_pbx_run(chan); - if (res) { - ast_hangup(chan); - ast_log(LOG_WARNING, "PBX exited non-zero\n"); - } - goto quit; - default: - ast_log(LOG_WARNING, "Don't know how to handle simple switch with signalling %s on channel %d\n", sig2str(p->sig), p->channel); - res = tone_zone_play_tone(p->subs[index].dfd, DAHDI_TONE_CONGESTION); - if (res < 0) - ast_log(LOG_WARNING, "Unable to play congestion tone on channel %d\n", p->channel); - } - res = tone_zone_play_tone(p->subs[index].dfd, DAHDI_TONE_CONGESTION); - if (res < 0) - ast_log(LOG_WARNING, "Unable to play congestion tone on channel %d\n", p->channel); - ast_hangup(chan); -quit: - ast_mutex_lock(&ss_thread_lock); - ss_thread_count--; - ast_cond_signal(&ss_thread_complete); - ast_mutex_unlock(&ss_thread_lock); - return NULL; -} - -/* destroy a DAHDI channel, identified by its number */ -static int dahdi_destroy_channel_bynum(int channel) -{ - struct dahdi_pvt *tmp = NULL; - struct dahdi_pvt *prev = NULL; - - tmp = iflist; - while (tmp) { - if (tmp->channel == channel) { - int x = DAHDI_FLASH; - ioctl(tmp->subs[SUB_REAL].dfd, DAHDI_HOOK, &x); /* important to create an event for dahdi_wait_event to register so that all ss_threads terminate */ - destroy_channel(prev, tmp, 1); - ast_module_unref(ast_module_info->self); - return RESULT_SUCCESS; - } - prev = tmp; - tmp = tmp->next; - } - return RESULT_FAILURE; -} - -static int handle_init_event(struct dahdi_pvt *i, int event) -{ - int res; - pthread_t threadid; - pthread_attr_t attr; - struct ast_channel *chan; - pthread_attr_init(&attr); - pthread_attr_setdetachstate(&attr, PTHREAD_CREATE_DETACHED); - /* Handle an event on a given channel for the monitor thread. */ - switch (event) { - case DAHDI_EVENT_NONE: - case DAHDI_EVENT_BITSCHANGED: - break; - case DAHDI_EVENT_WINKFLASH: - case DAHDI_EVENT_RINGOFFHOOK: - if (i->inalarm) break; - if (i->radio) break; - /* Got a ring/answer. What kind of channel are we? */ - switch (i->sig) { - case SIG_FXOLS: - case SIG_FXOGS: - case SIG_FXOKS: - res = dahdi_set_hook(i->subs[SUB_REAL].dfd, DAHDI_OFFHOOK); - if (res && (errno == EBUSY)) - break; - if (i->cidspill) { - /* Cancel VMWI spill */ - free(i->cidspill); - i->cidspill = NULL; - } - if (i->immediate) { - dahdi_enable_ec(i); - /* The channel is immediately up. Start right away */ - res = tone_zone_play_tone(i->subs[SUB_REAL].dfd, DAHDI_TONE_RINGTONE); - chan = dahdi_new(i, AST_STATE_RING, 1, SUB_REAL, 0, 0); - if (!chan) { - ast_log(LOG_WARNING, "Unable to start PBX on channel %d\n", i->channel); - res = tone_zone_play_tone(i->subs[SUB_REAL].dfd, DAHDI_TONE_CONGESTION); - if (res < 0) - ast_log(LOG_WARNING, "Unable to play congestion tone on channel %d\n", i->channel); - } - } else { - /* Check for callerid, digits, etc */ - chan = dahdi_new(i, AST_STATE_RESERVED, 0, SUB_REAL, 0, 0); - if (chan) { - if (has_voicemail(i)) - res = tone_zone_play_tone(i->subs[SUB_REAL].dfd, DAHDI_TONE_STUTTER); - else - res = tone_zone_play_tone(i->subs[SUB_REAL].dfd, DAHDI_TONE_DIALTONE); - if (res < 0) - ast_log(LOG_WARNING, "Unable to play dialtone on channel %d, do you have defaultzone and loadzone defined?\n", i->channel); - if (ast_pthread_create(&threadid, &attr, ss_thread, chan)) { - ast_log(LOG_WARNING, "Unable to start simple switch thread on channel %d\n", i->channel); - res = tone_zone_play_tone(i->subs[SUB_REAL].dfd, DAHDI_TONE_CONGESTION); - if (res < 0) - ast_log(LOG_WARNING, "Unable to play congestion tone on channel %d\n", i->channel); - ast_hangup(chan); - } - } else - ast_log(LOG_WARNING, "Unable to create channel\n"); - } - break; - case SIG_FXSLS: - case SIG_FXSGS: - case SIG_FXSKS: - i->ringt = i->ringt_base; - /* Fall through */ - case SIG_EMWINK: - case SIG_FEATD: - case SIG_FEATDMF: - case SIG_FEATDMF_TA: - case SIG_E911: - case SIG_FGC_CAMA: - case SIG_FGC_CAMAMF: - case SIG_FEATB: - case SIG_EM: - case SIG_EM_E1: - case SIG_SFWINK: - case SIG_SF_FEATD: - case SIG_SF_FEATDMF: - case SIG_SF_FEATB: - case SIG_SF: - /* Check for callerid, digits, etc */ - chan = dahdi_new(i, AST_STATE_RING, 0, SUB_REAL, 0, 0); - if (chan && ast_pthread_create(&threadid, &attr, ss_thread, chan)) { - ast_log(LOG_WARNING, "Unable to start simple switch thread on channel %d\n", i->channel); - res = tone_zone_play_tone(i->subs[SUB_REAL].dfd, DAHDI_TONE_CONGESTION); - if (res < 0) - ast_log(LOG_WARNING, "Unable to play congestion tone on channel %d\n", i->channel); - ast_hangup(chan); - } else if (!chan) { - ast_log(LOG_WARNING, "Cannot allocate new structure on channel %d\n", i->channel); - } - break; - default: - ast_log(LOG_WARNING, "Don't know how to handle ring/answer with signalling %s on channel %d\n", sig2str(i->sig), i->channel); - res = tone_zone_play_tone(i->subs[SUB_REAL].dfd, DAHDI_TONE_CONGESTION); - if (res < 0) - ast_log(LOG_WARNING, "Unable to play congestion tone on channel %d\n", i->channel); - return -1; - } - break; - case DAHDI_EVENT_NOALARM: - i->inalarm = 0; - if (!i->unknown_alarm) { - ast_log(LOG_NOTICE, "Alarm cleared on channel %d\n", i->channel); - manager_event(EVENT_FLAG_SYSTEM, "AlarmClear", - "Channel: %d\r\n", i->channel); - } else { - i->unknown_alarm = 0; - } - break; - case DAHDI_EVENT_ALARM: - i->inalarm = 1; - res = get_alarms(i); - handle_alarms(i, res); - /* fall thru intentionally */ - case DAHDI_EVENT_ONHOOK: - if (i->radio) - break; - /* Back on hook. Hang up. */ - switch (i->sig) { - case SIG_FXOLS: - case SIG_FXOGS: - case SIG_FEATD: - case SIG_FEATDMF: - case SIG_FEATDMF_TA: - case SIG_E911: - case SIG_FGC_CAMA: - case SIG_FGC_CAMAMF: - case SIG_FEATB: - case SIG_EM: - case SIG_EM_E1: - case SIG_EMWINK: - case SIG_SF_FEATD: - case SIG_SF_FEATDMF: - case SIG_SF_FEATB: - case SIG_SF: - case SIG_SFWINK: - case SIG_FXSLS: - case SIG_FXSGS: - case SIG_FXSKS: - case SIG_GR303FXSKS: - dahdi_disable_ec(i); - res = tone_zone_play_tone(i->subs[SUB_REAL].dfd, -1); - dahdi_set_hook(i->subs[SUB_REAL].dfd, DAHDI_ONHOOK); - break; - case SIG_GR303FXOKS: - case SIG_FXOKS: - dahdi_disable_ec(i); - /* Diddle the battery for the zhone */ -#ifdef ZHONE_HACK - dahdi_set_hook(i->subs[SUB_REAL].dfd, DAHDI_OFFHOOK); - usleep(1); -#endif - res = tone_zone_play_tone(i->subs[SUB_REAL].dfd, -1); - dahdi_set_hook(i->subs[SUB_REAL].dfd, DAHDI_ONHOOK); - break; - case SIG_PRI: - dahdi_disable_ec(i); - res = tone_zone_play_tone(i->subs[SUB_REAL].dfd, -1); - break; - default: - ast_log(LOG_WARNING, "Don't know how to handle on hook with signalling %s on channel %d\n", sig2str(i->sig), i->channel); - res = tone_zone_play_tone(i->subs[SUB_REAL].dfd, -1); - return -1; - } - break; - case DAHDI_EVENT_POLARITY: - switch (i->sig) { - case SIG_FXSLS: - case SIG_FXSKS: - case SIG_FXSGS: - /* We have already got a PR before the channel was - created, but it wasn't handled. We need polarity - to be REV for remote hangup detection to work. - At least in Spain */ - if (i->hanguponpolarityswitch) - i->polarity = POLARITY_REV; - - if (i->cid_start == CID_START_POLARITY) { - i->polarity = POLARITY_REV; - ast_verbose(VERBOSE_PREFIX_2 "Starting post polarity " - "CID detection on channel %d\n", - i->channel); - chan = dahdi_new(i, AST_STATE_PRERING, 0, SUB_REAL, 0, 0); - if (chan && ast_pthread_create(&threadid, &attr, ss_thread, chan)) { - ast_log(LOG_WARNING, "Unable to start simple switch thread on channel %d\n", i->channel); - } - } - break; - default: - ast_log(LOG_WARNING, "handle_init_event detected " - "polarity reversal on non-FXO (SIG_FXS) " - "interface %d\n", i->channel); - } - break; - case DAHDI_EVENT_REMOVED: /* destroy channel */ - ast_log(LOG_NOTICE, - "Got DAHDI_EVENT_REMOVED. Destroying channel %d\n", - i->channel); - dahdi_destroy_channel_bynum(i->channel); - break; - } - pthread_attr_destroy(&attr); - return 0; -} - -static void *do_monitor(void *data) -{ - int count, res, res2, spoint, pollres=0; - struct dahdi_pvt *i; - struct dahdi_pvt *last = NULL; - time_t thispass = 0, lastpass = 0; - int found; - char buf[1024]; - struct pollfd *pfds=NULL; - int lastalloc = -1; - /* This thread monitors all the frame relay interfaces which are not yet in use - (and thus do not have a separate thread) indefinitely */ - /* From here on out, we die whenever asked */ -#if 0 - if (pthread_setcanceltype(PTHREAD_CANCEL_ASYNCHRONOUS, NULL)) { - ast_log(LOG_WARNING, "Unable to set cancel type to asynchronous\n"); - return NULL; - } - ast_log(LOG_DEBUG, "Monitor starting...\n"); -#endif - pthread_setcancelstate(PTHREAD_CANCEL_DISABLE, NULL); - - for (;;) { - /* Lock the interface list */ - ast_mutex_lock(&iflock); - if (!pfds || (lastalloc != ifcount)) { - if (pfds) { - free(pfds); - pfds = NULL; - } - if (ifcount) { - if (!(pfds = ast_calloc(1, ifcount * sizeof(*pfds)))) { - ast_mutex_unlock(&iflock); - return NULL; - } - } - lastalloc = ifcount; - } - /* Build the stuff we're going to poll on, that is the socket of every - dahdi_pvt that does not have an associated owner channel */ - count = 0; - i = iflist; - while (i) { - if ((i->subs[SUB_REAL].dfd > -1) && i->sig && (!i->radio)) { - if (!i->owner && !i->subs[SUB_REAL].owner) { - /* This needs to be watched, as it lacks an owner */ - pfds[count].fd = i->subs[SUB_REAL].dfd; - pfds[count].events = POLLPRI; - pfds[count].revents = 0; - /* Message waiting or r2 channels also get watched for reading */ - if (i->cidspill) - pfds[count].events |= POLLIN; - count++; - } - } - i = i->next; - } - /* Okay, now that we know what to do, release the interface lock */ - ast_mutex_unlock(&iflock); - - pthread_setcancelstate(PTHREAD_CANCEL_ENABLE, NULL); - pthread_testcancel(); - /* Wait at least a second for something to happen */ - res = poll(pfds, count, 1000); - pthread_testcancel(); - pthread_setcancelstate(PTHREAD_CANCEL_DISABLE, NULL); - - /* Okay, poll has finished. Let's see what happened. */ - if (res < 0) { - if ((errno != EAGAIN) && (errno != EINTR)) - ast_log(LOG_WARNING, "poll return %d: %s\n", res, strerror(errno)); - continue; - } - /* Alright, lock the interface list again, and let's look and see what has - happened */ - ast_mutex_lock(&iflock); - found = 0; - spoint = 0; - lastpass = thispass; - thispass = time(NULL); - i = iflist; - while (i) { - if (thispass != lastpass) { - if (!found && ((i == last) || ((i == iflist) && !last))) { - last = i; - if (last) { - if (!last->cidspill && !last->owner && !ast_strlen_zero(last->mailbox) && (thispass - last->onhooktime > 3) && - (last->sig & __DAHDI_SIG_FXO)) { - res = ast_app_has_voicemail(last->mailbox, NULL); - if (last->msgstate != res) { - int x; - ast_log(LOG_DEBUG, "Message status for %s changed from %d to %d on %d\n", last->mailbox, last->msgstate, res, last->channel); - x = DAHDI_FLUSH_BOTH; - res2 = ioctl(last->subs[SUB_REAL].dfd, DAHDI_FLUSH, &x); - if (res2) - ast_log(LOG_WARNING, "Unable to flush input on channel %d: %s\n", last->channel, strerror(errno)); - if ((last->cidspill = ast_calloc(1, MAX_CALLERID_SIZE))) { - /* Turn on on hook transfer for 4 seconds */ - x = 4000; - ioctl(last->subs[SUB_REAL].dfd, DAHDI_ONHOOKTRANSFER, &x); - last->cidlen = vmwi_generate(last->cidspill, res, 1, AST_LAW(last)); - last->cidpos = 0; - last->msgstate = res; - last->onhooktime = thispass; - } - found ++; - } - } - last = last->next; - } - } - } - if ((i->subs[SUB_REAL].dfd > -1) && i->sig) { - if (i->radio && !i->owner) - { - res = dahdi_get_event(i->subs[SUB_REAL].dfd); - if (res) - { - if (option_debug) - ast_log(LOG_DEBUG, "Monitor doohicky got event %s on radio channel %d\n", event2str(res), i->channel); - /* Don't hold iflock while handling init events */ - ast_mutex_unlock(&iflock); - handle_init_event(i, res); - ast_mutex_lock(&iflock); - } - i = i->next; - continue; - } - pollres = ast_fdisset(pfds, i->subs[SUB_REAL].dfd, count, &spoint); - if (pollres & POLLIN) { - if (i->owner || i->subs[SUB_REAL].owner) { -#ifdef HAVE_PRI - if (!i->pri) -#endif - ast_log(LOG_WARNING, "Whoa.... I'm owned but found (%d) in read...\n", i->subs[SUB_REAL].dfd); - i = i->next; - continue; - } - if (!i->cidspill) { - ast_log(LOG_WARNING, "Whoa.... I'm reading but have no cidspill (%d)...\n", i->subs[SUB_REAL].dfd); - i = i->next; - continue; - } - res = read(i->subs[SUB_REAL].dfd, buf, sizeof(buf)); - if (res > 0) { - /* We read some number of bytes. Write an equal amount of data */ - if (res > i->cidlen - i->cidpos) - res = i->cidlen - i->cidpos; - res2 = write(i->subs[SUB_REAL].dfd, i->cidspill + i->cidpos, res); - if (res2 > 0) { - i->cidpos += res2; - if (i->cidpos >= i->cidlen) { - free(i->cidspill); - i->cidspill = 0; - i->cidpos = 0; - i->cidlen = 0; - } - } else { - ast_log(LOG_WARNING, "Write failed: %s\n", strerror(errno)); - i->msgstate = -1; - } - } else { - ast_log(LOG_WARNING, "Read failed with %d: %s\n", res, strerror(errno)); - } - } - if (pollres & POLLPRI) { - if (i->owner || i->subs[SUB_REAL].owner) { -#ifdef HAVE_PRI - if (!i->pri) -#endif - ast_log(LOG_WARNING, "Whoa.... I'm owned but found (%d)...\n", i->subs[SUB_REAL].dfd); - i = i->next; - continue; - } - res = dahdi_get_event(i->subs[SUB_REAL].dfd); - if (option_debug) - ast_log(LOG_DEBUG, "Monitor doohicky got event %s on channel %d\n", event2str(res), i->channel); - /* Don't hold iflock while handling init events */ - ast_mutex_unlock(&iflock); - handle_init_event(i, res); - ast_mutex_lock(&iflock); - } - } - i=i->next; - } - ast_mutex_unlock(&iflock); - } - /* Never reached */ - return NULL; - -} - -static int restart_monitor(void) -{ - pthread_attr_t attr; - pthread_attr_init(&attr); - pthread_attr_setdetachstate(&attr, PTHREAD_CREATE_DETACHED); - /* If we're supposed to be stopped -- stay stopped */ - if (monitor_thread == AST_PTHREADT_STOP) - return 0; - ast_mutex_lock(&monlock); - if (monitor_thread == pthread_self()) { - ast_mutex_unlock(&monlock); - ast_log(LOG_WARNING, "Cannot kill myself\n"); - return -1; - } - if (monitor_thread != AST_PTHREADT_NULL) { - /* Wake up the thread */ - pthread_kill(monitor_thread, SIGURG); - } else { - /* Start a new monitor */ - if (ast_pthread_create_background(&monitor_thread, &attr, do_monitor, NULL) < 0) { - ast_mutex_unlock(&monlock); - ast_log(LOG_ERROR, "Unable to start monitor thread.\n"); - pthread_attr_destroy(&attr); - return -1; - } - } - ast_mutex_unlock(&monlock); - pthread_attr_destroy(&attr); - return 0; -} - -#ifdef HAVE_PRI -static int pri_resolve_span(int *span, int channel, int offset, struct dahdi_spaninfo *si) -{ - int x; - int trunkgroup; - /* Get appropriate trunk group if there is one */ - trunkgroup = pris[*span].mastertrunkgroup; - if (trunkgroup) { - /* Select a specific trunk group */ - for (x = 0; x < NUM_SPANS; x++) { - if (pris[x].trunkgroup == trunkgroup) { - *span = x; - return 0; - } - } - ast_log(LOG_WARNING, "Channel %d on span %d configured to use nonexistent trunk group %d\n", channel, *span, trunkgroup); - *span = -1; - } else { - if (pris[*span].trunkgroup) { - ast_log(LOG_WARNING, "Unable to use span %d implicitly since it is trunk group %d (please use spanmap)\n", *span, pris[*span].trunkgroup); - *span = -1; - } else if (pris[*span].mastertrunkgroup) { - ast_log(LOG_WARNING, "Unable to use span %d implicitly since it is already part of trunk group %d\n", *span, pris[*span].mastertrunkgroup); - *span = -1; - } else { - if (si->totalchans == 31) { - /* E1 */ - pris[*span].dchannels[0] = 16 + offset; - } else if (si->totalchans == 24) { - /* T1 or J1 */ - pris[*span].dchannels[0] = 24 + offset; - } else if (si->totalchans == 3) { - /* BRI */ - pris[*span].dchannels[0] = 3 + offset; - } else { - ast_log(LOG_WARNING, "Unable to use span %d, since the D-channel cannot be located (unexpected span size of %d channels)\n", *span, si->totalchans); - *span = -1; - return 0; - } - pris[*span].dchanavail[0] |= DCHAN_PROVISIONED; - pris[*span].offset = offset; - pris[*span].span = *span + 1; - } - } - return 0; -} - -static int pri_create_trunkgroup(int trunkgroup, int *channels) -{ - struct dahdi_spaninfo si; - struct dahdi_params p; - int fd; - int span; - int ospan=0; - int x,y; - for (x = 0; x < NUM_SPANS; x++) { - if (pris[x].trunkgroup == trunkgroup) { - ast_log(LOG_WARNING, "Trunk group %d already exists on span %d, Primary d-channel %d\n", trunkgroup, x + 1, pris[x].dchannels[0]); - return -1; - } - } - for (y = 0; y < NUM_DCHANS; y++) { - if (!channels[y]) - break; - memset(&si, 0, sizeof(si)); - memset(&p, 0, sizeof(p)); - fd = open(DAHDI_FILE_CHANNEL, O_RDWR); - if (fd < 0) { - ast_log(LOG_WARNING, "Failed to open channel: %s\n", strerror(errno)); - return -1; - } - x = channels[y]; - if (ioctl(fd, DAHDI_SPECIFY, &x)) { - ast_log(LOG_WARNING, "Failed to specify channel %d: %s\n", channels[y], strerror(errno)); - close(fd); - return -1; - } - if (ioctl(fd, DAHDI_GET_PARAMS, &p)) { - ast_log(LOG_WARNING, "Failed to get channel parameters for channel %d: %s\n", channels[y], strerror(errno)); - return -1; - } - if (ioctl(fd, DAHDI_SPANSTAT, &si)) { - ast_log(LOG_WARNING, "Failed go get span information on channel %d (span %d): %s\n", channels[y], p.spanno, strerror(errno)); - close(fd); - return -1; - } - span = p.spanno - 1; - if (pris[span].trunkgroup) { - ast_log(LOG_WARNING, "Span %d is already provisioned for trunk group %d\n", span + 1, pris[span].trunkgroup); - close(fd); - return -1; - } - if (pris[span].pvts[0]) { - ast_log(LOG_WARNING, "Span %d is already provisioned with channels (implicit PRI maybe?)\n", span + 1); - close(fd); - return -1; - } - if (!y) { - pris[span].trunkgroup = trunkgroup; - pris[span].offset = channels[y] - p.chanpos; - ospan = span; - } - pris[ospan].dchannels[y] = channels[y]; - pris[ospan].dchanavail[y] |= DCHAN_PROVISIONED; - pris[span].span = span + 1; - close(fd); - } - return 0; -} - -static int pri_create_spanmap(int span, int trunkgroup, int logicalspan) -{ - if (pris[span].mastertrunkgroup) { - ast_log(LOG_WARNING, "Span %d is already part of trunk group %d, cannot add to trunk group %d\n", span + 1, pris[span].mastertrunkgroup, trunkgroup); - return -1; - } - pris[span].mastertrunkgroup = trunkgroup; - pris[span].prilogicalspan = logicalspan; - return 0; -} - -#endif - -static struct dahdi_pvt *mkintf(int channel, const struct dahdi_chan_conf *conf, struct dahdi_pri *pri, int reloading) -{ - /* Make a dahdi_pvt structure for this interface (or CRV if "pri" is specified) */ - struct dahdi_pvt *tmp = NULL, *tmp2, *prev = NULL; - char fn[80]; -#if 1 - struct dahdi_bufferinfo bi; -#endif - int res; - int span=0; - int here = 0; - int x; - struct dahdi_pvt **wlist; - struct dahdi_pvt **wend; - struct dahdi_params p; - - wlist = &iflist; - wend = &ifend; - -#ifdef HAVE_PRI - if (pri) { - wlist = &pri->crvs; - wend = &pri->crvend; - } -#endif - - tmp2 = *wlist; - prev = NULL; - - while (tmp2) { - if (!tmp2->destroy) { - if (tmp2->channel == channel) { - tmp = tmp2; - here = 1; - break; - } - if (tmp2->channel > channel) { - break; - } - } - prev = tmp2; - tmp2 = tmp2->next; - } - - if (!here && reloading != 1) { - if (!(tmp = ast_calloc(1, sizeof(*tmp)))) { - if (tmp) - free(tmp); - return NULL; - } - ast_mutex_init(&tmp->lock); - ifcount++; - for (x = 0; x < 3; x++) - tmp->subs[x].dfd = -1; - tmp->channel = channel; - } - - if (tmp) { - int chan_sig = conf->chan.sig; - if (!here) { - if ((channel != CHAN_PSEUDO) && !pri) { - int count = 0; - snprintf(fn, sizeof(fn), "%d", channel); - /* Open non-blocking */ - tmp->subs[SUB_REAL].dfd = dahdi_open(fn); - while (tmp->subs[SUB_REAL].dfd < 0 && reloading == 2 && count < 1000) { /* the kernel may not call dahdi_release fast enough for the open flagbit to be cleared in time */ - usleep(1); - tmp->subs[SUB_REAL].dfd = dahdi_open(fn); - count++; - } - /* Allocate a DAHDI structure */ - if (tmp->subs[SUB_REAL].dfd < 0) { - ast_log(LOG_ERROR, "Unable to open channel %d: %s\nhere = %d, tmp->channel = %d, channel = %d\n", channel, strerror(errno), here, tmp->channel, channel); - destroy_dahdi_pvt(&tmp); - return NULL; - } - memset(&p, 0, sizeof(p)); - res = ioctl(tmp->subs[SUB_REAL].dfd, DAHDI_GET_PARAMS, &p); - if (res < 0) { - ast_log(LOG_ERROR, "Unable to get parameters: %s\n", strerror(errno)); - destroy_dahdi_pvt(&tmp); - return NULL; - } - if (p.sigtype != (conf->chan.sig & 0x3ffff)) { - ast_log(LOG_ERROR, "Signalling requested on channel %d is %s but line is in %s signalling\n", channel, sig2str(conf->chan.sig), sig2str(p.sigtype)); - destroy_dahdi_pvt(&tmp); - return NULL; - } - tmp->law = p.curlaw; - tmp->span = p.spanno; - span = p.spanno - 1; - } else { - if (channel == CHAN_PSEUDO) - chan_sig = 0; - else if ((chan_sig != SIG_FXOKS) && (chan_sig != SIG_FXSKS)) { - ast_log(LOG_ERROR, "CRV's must use FXO/FXS Kewl Start (fxo_ks/fxs_ks) signalling only.\n"); - return NULL; - } - } -#ifdef HAVE_PRI - if ((chan_sig == SIG_PRI) || (chan_sig == SIG_GR303FXOKS) || (chan_sig == SIG_GR303FXSKS)) { - int offset; - int myswitchtype; - int matchesdchan; - int x,y; - offset = 0; - if ((chan_sig == SIG_PRI) && ioctl(tmp->subs[SUB_REAL].dfd, DAHDI_AUDIOMODE, &offset)) { - ast_log(LOG_ERROR, "Unable to set clear mode on clear channel %d of span %d: %s\n", channel, p.spanno, strerror(errno)); - destroy_dahdi_pvt(&tmp); - return NULL; - } - if (span >= NUM_SPANS) { - ast_log(LOG_ERROR, "Channel %d does not lie on a span I know of (%d)\n", channel, span); - destroy_dahdi_pvt(&tmp); - return NULL; - } else { - struct dahdi_spaninfo si; - si.spanno = 0; - if (ioctl(tmp->subs[SUB_REAL].dfd,DAHDI_SPANSTAT,&si) == -1) { - ast_log(LOG_ERROR, "Unable to get span status: %s\n", strerror(errno)); - destroy_dahdi_pvt(&tmp); - return NULL; - } - /* Store the logical span first based upon the real span */ - tmp->logicalspan = pris[span].prilogicalspan; - pri_resolve_span(&span, channel, (channel - p.chanpos), &si); - if (span < 0) { - ast_log(LOG_WARNING, "Channel %d: Unable to find locate channel/trunk group!\n", channel); - destroy_dahdi_pvt(&tmp); - return NULL; - } - if (chan_sig == SIG_PRI) - myswitchtype = conf->pri.switchtype; - else - myswitchtype = PRI_SWITCH_GR303_TMC; - /* Make sure this isn't a d-channel */ - matchesdchan=0; - for (x = 0; x < NUM_SPANS; x++) { - for (y = 0; y < NUM_DCHANS; y++) { - if (pris[x].dchannels[y] == tmp->channel) { - matchesdchan = 1; - break; - } - } - } - offset = p.chanpos; - if (!matchesdchan) { - if (pris[span].nodetype && (pris[span].nodetype != conf->pri.nodetype)) { - ast_log(LOG_ERROR, "Span %d is already a %s node\n", span + 1, pri_node2str(pris[span].nodetype)); - destroy_dahdi_pvt(&tmp); - return NULL; - } - if (pris[span].switchtype && (pris[span].switchtype != myswitchtype)) { - ast_log(LOG_ERROR, "Span %d is already a %s switch\n", span + 1, pri_switch2str(pris[span].switchtype)); - destroy_dahdi_pvt(&tmp); - return NULL; - } - if ((pris[span].dialplan) && (pris[span].dialplan != conf->pri.dialplan)) { - ast_log(LOG_ERROR, "Span %d is already a %s dialing plan\n", span + 1, dialplan2str(pris[span].dialplan)); - destroy_dahdi_pvt(&tmp); - return NULL; - } - if (!ast_strlen_zero(pris[span].idledial) && strcmp(pris[span].idledial, conf->pri.idledial)) { - ast_log(LOG_ERROR, "Span %d already has idledial '%s'.\n", span + 1, conf->pri.idledial); - destroy_dahdi_pvt(&tmp); - return NULL; - } - if (!ast_strlen_zero(pris[span].idleext) && strcmp(pris[span].idleext, conf->pri.idleext)) { - ast_log(LOG_ERROR, "Span %d already has idleext '%s'.\n", span + 1, conf->pri.idleext); - destroy_dahdi_pvt(&tmp); - return NULL; - } - if (pris[span].minunused && (pris[span].minunused != conf->pri.minunused)) { - ast_log(LOG_ERROR, "Span %d already has minunused of %d.\n", span + 1, conf->pri.minunused); - destroy_dahdi_pvt(&tmp); - return NULL; - } - if (pris[span].minidle && (pris[span].minidle != conf->pri.minidle)) { - ast_log(LOG_ERROR, "Span %d already has minidle of %d.\n", span + 1, conf->pri.minidle); - destroy_dahdi_pvt(&tmp); - return NULL; - } - if (pris[span].numchans >= MAX_CHANNELS) { - ast_log(LOG_ERROR, "Unable to add channel %d: Too many channels in trunk group %d!\n", channel, - pris[span].trunkgroup); - destroy_dahdi_pvt(&tmp); - return NULL; - } - pris[span].nodetype = conf->pri.nodetype; - pris[span].switchtype = myswitchtype; - pris[span].nsf = conf->pri.nsf; - pris[span].dialplan = conf->pri.dialplan; - pris[span].localdialplan = conf->pri.localdialplan; - pris[span].pvts[pris[span].numchans++] = tmp; - pris[span].minunused = conf->pri.minunused; - pris[span].minidle = conf->pri.minidle; - pris[span].overlapdial = conf->pri.overlapdial; -#ifdef HAVE_PRI_INBANDDISCONNECT - pris[span].inbanddisconnect = conf->pri.inbanddisconnect; -#endif - pris[span].facilityenable = conf->pri.facilityenable; - ast_copy_string(pris[span].idledial, conf->pri.idledial, sizeof(pris[span].idledial)); - ast_copy_string(pris[span].idleext, conf->pri.idleext, sizeof(pris[span].idleext)); - ast_copy_string(pris[span].internationalprefix, conf->pri.internationalprefix, sizeof(pris[span].internationalprefix)); - ast_copy_string(pris[span].nationalprefix, conf->pri.nationalprefix, sizeof(pris[span].nationalprefix)); - ast_copy_string(pris[span].localprefix, conf->pri.localprefix, sizeof(pris[span].localprefix)); - ast_copy_string(pris[span].privateprefix, conf->pri.privateprefix, sizeof(pris[span].privateprefix)); - ast_copy_string(pris[span].unknownprefix, conf->pri.unknownprefix, sizeof(pris[span].unknownprefix)); - pris[span].resetinterval = conf->pri.resetinterval; - - tmp->pri = &pris[span]; - tmp->prioffset = offset; - tmp->call = NULL; - } else { - ast_log(LOG_ERROR, "Channel %d is reserved for D-channel.\n", offset); - destroy_dahdi_pvt(&tmp); - return NULL; - } - } - } else { - tmp->prioffset = 0; - } -#endif - } else { - chan_sig = tmp->sig; - memset(&p, 0, sizeof(p)); - if (tmp->subs[SUB_REAL].dfd > -1) - res = ioctl(tmp->subs[SUB_REAL].dfd, DAHDI_GET_PARAMS, &p); - } - /* Adjust starttime on loopstart and kewlstart trunks to reasonable values */ - switch (chan_sig) { - case SIG_FXSKS: - case SIG_FXSLS: - case SIG_EM: - case SIG_EM_E1: - case SIG_EMWINK: - case SIG_FEATD: - case SIG_FEATDMF: - case SIG_FEATDMF_TA: - case SIG_FEATB: - case SIG_E911: - case SIG_SF: - case SIG_SFWINK: - case SIG_FGC_CAMA: - case SIG_FGC_CAMAMF: - case SIG_SF_FEATD: - case SIG_SF_FEATDMF: - case SIG_SF_FEATB: - p.starttime = 250; - break; - } - - if (tmp->radio) { - /* XXX Waiting to hear back from Jim if these should be adjustable XXX */ - p.channo = channel; - p.rxwinktime = 1; - p.rxflashtime = 1; - p.starttime = 1; - p.debouncetime = 5; - } - if (!tmp->radio) { - p.channo = channel; - /* Override timing settings based on config file */ - if (conf->timing.prewinktime >= 0) - p.prewinktime = conf->timing.prewinktime; - if (conf->timing.preflashtime >= 0) - p.preflashtime = conf->timing.preflashtime; - if (conf->timing.winktime >= 0) - p.winktime = conf->timing.winktime; - if (conf->timing.flashtime >= 0) - p.flashtime = conf->timing.flashtime; - if (conf->timing.starttime >= 0) - p.starttime = conf->timing.starttime; - if (conf->timing.rxwinktime >= 0) - p.rxwinktime = conf->timing.rxwinktime; - if (conf->timing.rxflashtime >= 0) - p.rxflashtime = conf->timing.rxflashtime; - if (conf->timing.debouncetime >= 0) - p.debouncetime = conf->timing.debouncetime; - } - - /* dont set parms on a pseudo-channel (or CRV) */ - if (tmp->subs[SUB_REAL].dfd >= 0) - { - res = ioctl(tmp->subs[SUB_REAL].dfd, DAHDI_SET_PARAMS, &p); - if (res < 0) { - ast_log(LOG_ERROR, "Unable to set parameters: %s\n", strerror(errno)); - destroy_dahdi_pvt(&tmp); - return NULL; - } - } -#if 1 - if (!here && (tmp->subs[SUB_REAL].dfd > -1)) { - memset(&bi, 0, sizeof(bi)); - res = ioctl(tmp->subs[SUB_REAL].dfd, DAHDI_GET_BUFINFO, &bi); - if (!res) { - bi.txbufpolicy = conf->chan.buf_policy; - bi.rxbufpolicy = conf->chan.buf_policy; - bi.numbufs = conf->chan.buf_no; - res = ioctl(tmp->subs[SUB_REAL].dfd, DAHDI_SET_BUFINFO, &bi); - if (res < 0) { - ast_log(LOG_WARNING, "Unable to set buffer policy on channel %d: %s\n", channel, strerror(errno)); - } - } else - ast_log(LOG_WARNING, "Unable to check buffer policy on channel %d: %s\n", channel, strerror(errno)); - } -#endif - tmp->immediate = conf->chan.immediate; - tmp->transfertobusy = conf->chan.transfertobusy; - tmp->sig = chan_sig; - tmp->outsigmod = conf->chan.outsigmod; - tmp->ringt_base = ringt_base; - tmp->firstradio = 0; - if ((chan_sig == SIG_FXOKS) || (chan_sig == SIG_FXOLS) || (chan_sig == SIG_FXOGS)) - tmp->permcallwaiting = conf->chan.callwaiting; - else - tmp->permcallwaiting = 0; - /* Flag to destroy the channel must be cleared on new mkif. Part of changes for reload to work */ - tmp->destroy = 0; - tmp->drings = drings; - tmp->usedistinctiveringdetection = conf->chan.usedistinctiveringdetection; - tmp->callwaitingcallerid = conf->chan.callwaitingcallerid; - tmp->threewaycalling = conf->chan.threewaycalling; - tmp->adsi = conf->chan.adsi; - tmp->use_smdi = conf->chan.use_smdi; - tmp->permhidecallerid = conf->chan.hidecallerid; - tmp->callreturn = conf->chan.callreturn; - tmp->echocancel = conf->chan.echocancel; - tmp->echotraining = conf->chan.echotraining; - tmp->pulse = conf->chan.pulse; - if (tmp->echocancel) - tmp->echocanbridged = conf->chan.echocanbridged; - else { - if (conf->chan.echocanbridged) - ast_log(LOG_NOTICE, "echocancelwhenbridged requires echocancel to be enabled; ignoring\n"); - tmp->echocanbridged = 0; - } - tmp->busydetect = conf->chan.busydetect; - tmp->busycount = conf->chan.busycount; - tmp->busy_tonelength = conf->chan.busy_tonelength; - tmp->busy_quietlength = conf->chan.busy_quietlength; - tmp->callprogress = conf->chan.callprogress; - tmp->cancallforward = conf->chan.cancallforward; - tmp->dtmfrelax = conf->chan.dtmfrelax; - tmp->callwaiting = tmp->permcallwaiting; - tmp->hidecallerid = tmp->permhidecallerid; - tmp->channel = channel; - tmp->stripmsd = conf->chan.stripmsd; - tmp->use_callerid = conf->chan.use_callerid; - tmp->cid_signalling = conf->chan.cid_signalling; - tmp->cid_start = conf->chan.cid_start; - tmp->dahditrcallerid = conf->chan.dahditrcallerid; - tmp->restrictcid = conf->chan.restrictcid; - tmp->use_callingpres = conf->chan.use_callingpres; - tmp->priindication_oob = conf->chan.priindication_oob; - tmp->priexclusive = conf->chan.priexclusive; - if (tmp->usedistinctiveringdetection) { - if (!tmp->use_callerid) { - ast_log(LOG_NOTICE, "Distinctive Ring detect requires 'usecallerid' be on\n"); - tmp->use_callerid = 1; - } - } - - if (tmp->cid_signalling == CID_SIG_SMDI) { - if (!tmp->use_smdi) { - ast_log(LOG_WARNING, "SMDI callerid requires SMDI to be enabled, enabling...\n"); - tmp->use_smdi = 1; - } - } - if (tmp->use_smdi) { - tmp->smdi_iface = ast_smdi_interface_find(conf->smdi_port); - if (!(tmp->smdi_iface)) { - ast_log(LOG_ERROR, "Invalid SMDI port specfied, disabling SMDI support\n"); - tmp->use_smdi = 0; - } - } - - ast_copy_string(tmp->accountcode, conf->chan.accountcode, sizeof(tmp->accountcode)); - tmp->amaflags = conf->chan.amaflags; - if (!here) { - tmp->confno = -1; - tmp->propconfno = -1; - } - tmp->canpark = conf->chan.canpark; - tmp->transfer = conf->chan.transfer; - ast_copy_string(tmp->defcontext,conf->chan.context,sizeof(tmp->defcontext)); - ast_copy_string(tmp->language, conf->chan.language, sizeof(tmp->language)); - ast_copy_string(tmp->mohinterpret, conf->chan.mohinterpret, sizeof(tmp->mohinterpret)); - ast_copy_string(tmp->mohsuggest, conf->chan.mohsuggest, sizeof(tmp->mohsuggest)); - ast_copy_string(tmp->context, conf->chan.context, sizeof(tmp->context)); - ast_copy_string(tmp->cid_num, conf->chan.cid_num, sizeof(tmp->cid_num)); - tmp->cid_ton = 0; - ast_copy_string(tmp->cid_name, conf->chan.cid_name, sizeof(tmp->cid_name)); - ast_copy_string(tmp->mailbox, conf->chan.mailbox, sizeof(tmp->mailbox)); - tmp->msgstate = -1; - tmp->group = conf->chan.group; - tmp->callgroup = conf->chan.callgroup; - tmp->pickupgroup= conf->chan.pickupgroup; - tmp->rxgain = conf->chan.rxgain; - tmp->txgain = conf->chan.txgain; - tmp->tonezone = conf->chan.tonezone; - tmp->onhooktime = time(NULL); - if (tmp->subs[SUB_REAL].dfd > -1) { - set_actual_gain(tmp->subs[SUB_REAL].dfd, 0, tmp->rxgain, tmp->txgain, tmp->law); - if (tmp->dsp) - ast_dsp_digitmode(tmp->dsp, DSP_DIGITMODE_DTMF | tmp->dtmfrelax); - update_conf(tmp); - if (!here) { - if (chan_sig != SIG_PRI) - /* Hang it up to be sure it's good */ - dahdi_set_hook(tmp->subs[SUB_REAL].dfd, DAHDI_ONHOOK); - } - ioctl(tmp->subs[SUB_REAL].dfd,DAHDI_SETTONEZONE,&tmp->tonezone); -#ifdef HAVE_PRI - /* the dchannel is down so put the channel in alarm */ - if (tmp->pri && !pri_is_up(tmp->pri)) { - tmp->inalarm = 1; - } -#endif - if ((res = get_alarms(tmp)) != DAHDI_ALARM_NONE) { - tmp->inalarm = 1; - handle_alarms(tmp, res); - } else { - /* yes, this looks strange... the unknown_alarm flag is only used to - control whether an 'alarm cleared' message gets generated when we - get an indication that the channel is no longer in alarm status. - however, the channel *could* be in an alarm status that we aren't - aware of (since get_alarms() only reports span alarms, not channel - alarms). setting this flag will cause any potential 'alarm cleared' - message to be suppressed, but if a real alarm occurs before that - happens, this flag will get cleared by it and the situation will - be normal. - */ - tmp->unknown_alarm = 1; - } - } - - tmp->polarityonanswerdelay = conf->chan.polarityonanswerdelay; - tmp->answeronpolarityswitch = conf->chan.answeronpolarityswitch; - tmp->hanguponpolarityswitch = conf->chan.hanguponpolarityswitch; - tmp->sendcalleridafter = conf->chan.sendcalleridafter; - - } - if (tmp && !here) { - /* nothing on the iflist */ - if (!*wlist) { - *wlist = tmp; - tmp->prev = NULL; - tmp->next = NULL; - *wend = tmp; - } else { - /* at least one member on the iflist */ - struct dahdi_pvt *working = *wlist; - - /* check if we maybe have to put it on the begining */ - if (working->channel > tmp->channel) { - tmp->next = *wlist; - tmp->prev = NULL; - (*wlist)->prev = tmp; - *wlist = tmp; - } else { - /* go through all the members and put the member in the right place */ - while (working) { - /* in the middle */ - if (working->next) { - if (working->channel < tmp->channel && working->next->channel > tmp->channel) { - tmp->next = working->next; - tmp->prev = working; - working->next->prev = tmp; - working->next = tmp; - break; - } - } else { - /* the last */ - if (working->channel < tmp->channel) { - working->next = tmp; - tmp->next = NULL; - tmp->prev = working; - *wend = tmp; - break; - } - } - working = working->next; - } - } - } - } - return tmp; -} - -static inline int available(struct dahdi_pvt *p, int channelmatch, ast_group_t groupmatch, int *busy, int *channelmatched, int *groupmatched) -{ - int res; - struct dahdi_params par; - - /* First, check group matching */ - if (groupmatch) { - if ((p->group & groupmatch) != groupmatch) - return 0; - *groupmatched = 1; - } - /* Check to see if we have a channel match */ - if (channelmatch != -1) { - if (p->channel != channelmatch) - return 0; - *channelmatched = 1; - } - /* We're at least busy at this point */ - if (busy) { - if ((p->sig == SIG_FXOKS) || (p->sig == SIG_FXOLS) || (p->sig == SIG_FXOGS)) - *busy = 1; - } - /* If do not disturb, definitely not */ - if (p->dnd) - return 0; - /* If guard time, definitely not */ - if (p->guardtime && (time(NULL) < p->guardtime)) - return 0; - - /* If no owner definitely available */ - if (!p->owner) { -#ifdef HAVE_PRI - /* Trust PRI */ - if (p->pri) { - if (p->resetting || p->call) - return 0; - else - return 1; - } -#endif - if (!(p->radio || (p->oprmode < 0))) - { - if (!p->sig || (p->sig == SIG_FXSLS)) - return 1; - /* Check hook state */ - if (p->subs[SUB_REAL].dfd > -1) - res = ioctl(p->subs[SUB_REAL].dfd, DAHDI_GET_PARAMS, &par); - else { - /* Assume not off hook on CVRS */ - res = 0; - par.rxisoffhook = 0; - } - if (res) { - ast_log(LOG_WARNING, "Unable to check hook state on channel %d: %s\n", p->channel, strerror(errno)); - } else if ((p->sig == SIG_FXSKS) || (p->sig == SIG_FXSGS)) { - /* When "onhook" that means no battery on the line, and thus - it is out of service..., if it's on a TDM card... If it's a channel - bank, there is no telling... */ - if (par.rxbits > -1) - return 1; - if (par.rxisoffhook) - return 1; - else -#ifdef DAHDI_CHECK_HOOKSTATE - return 0; -#else - return 1; -#endif - } else if (par.rxisoffhook) { - ast_log(LOG_DEBUG, "Channel %d off hook, can't use\n", p->channel); - /* Not available when the other end is off hook */ - return 0; - } - } - return 1; - } - - /* If it's not an FXO, forget about call wait */ - if ((p->sig != SIG_FXOKS) && (p->sig != SIG_FXOLS) && (p->sig != SIG_FXOGS)) - return 0; - - if (!p->callwaiting) { - /* If they don't have call waiting enabled, then for sure they're unavailable at this point */ - return 0; - } - - if (p->subs[SUB_CALLWAIT].dfd > -1) { - /* If there is already a call waiting call, then we can't take a second one */ - return 0; - } - - if ((p->owner->_state != AST_STATE_UP) && - ((p->owner->_state != AST_STATE_RINGING) || p->outgoing)) { - /* If the current call is not up, then don't allow the call */ - return 0; - } - if ((p->subs[SUB_THREEWAY].owner) && (!p->subs[SUB_THREEWAY].inthreeway)) { - /* Can't take a call wait when the three way calling hasn't been merged yet. */ - return 0; - } - /* We're cool */ - return 1; -} - -static struct dahdi_pvt *chandup(struct dahdi_pvt *src) -{ - struct dahdi_pvt *p; - struct dahdi_bufferinfo bi; - int res; - - if ((p = ast_malloc(sizeof(*p)))) { - memcpy(p, src, sizeof(struct dahdi_pvt)); - ast_mutex_init(&p->lock); - p->subs[SUB_REAL].dfd = dahdi_open(DAHDI_FILE_PSEUDO); - /* Allocate a DAHDI structure */ - if (p->subs[SUB_REAL].dfd < 0) { - ast_log(LOG_ERROR, "Unable to dup channel: %s\n", strerror(errno)); - destroy_dahdi_pvt(&p); - return NULL; - } - res = ioctl(p->subs[SUB_REAL].dfd, DAHDI_GET_BUFINFO, &bi); - if (!res) { - bi.txbufpolicy = p->buf_policy; - bi.rxbufpolicy = p->buf_policy; - bi.numbufs = p->buf_no; - res = ioctl(p->subs[SUB_REAL].dfd, DAHDI_SET_BUFINFO, &bi); - if (res < 0) { - ast_log(LOG_WARNING, "Unable to set buffer policy on dup channel: %s\n", strerror(errno)); - } - } else - ast_log(LOG_WARNING, "Unable to check buffer policy on dup channel: %s\n", strerror(errno)); - } - p->destroy = 1; - p->next = iflist; - p->prev = NULL; - iflist = p; - if (iflist->next) - iflist->next->prev = p; - return p; -} - - -#ifdef HAVE_PRI -static int pri_find_empty_chan(struct dahdi_pri *pri, int backwards) -{ - int x; - if (backwards) - x = pri->numchans; - else - x = 0; - for (;;) { - if (backwards && (x < 0)) - break; - if (!backwards && (x >= pri->numchans)) - break; - if (pri->pvts[x] && !pri->pvts[x]->inalarm && !pri->pvts[x]->owner) { - ast_log(LOG_DEBUG, "Found empty available channel %d/%d\n", - pri->pvts[x]->logicalspan, pri->pvts[x]->prioffset); - return x; - } - if (backwards) - x--; - else - x++; - } - return -1; -} -#endif - -static struct ast_channel *dahdi_request(const char *type, int format, void *data, int *cause) -{ - ast_group_t groupmatch = 0; - int channelmatch = -1; - int roundrobin = 0; - int callwait = 0; - int busy = 0; - struct dahdi_pvt *p; - struct ast_channel *tmp = NULL; - char *dest=NULL; - int x; - char *s; - char opt=0; - int res=0, y=0; - int backwards = 0; -#ifdef HAVE_PRI - int crv; - int bearer = -1; - int trunkgroup; - struct dahdi_pri *pri=NULL; -#endif - struct dahdi_pvt *exit, *start, *end; - ast_mutex_t *lock; - int channelmatched = 0; - int groupmatched = 0; - - /* Assume we're locking the iflock */ - lock = &iflock; - start = iflist; - end = ifend; - if (data) { - dest = ast_strdupa((char *)data); - } else { - ast_log(LOG_WARNING, "Channel requested with no data\n"); - return NULL; - } - if (toupper(dest[0]) == 'G' || toupper(dest[0])=='R') { - /* Retrieve the group number */ - char *stringp=NULL; - stringp=dest + 1; - s = strsep(&stringp, "/"); - if ((res = sscanf(s, "%d%c%d", &x, &opt, &y)) < 1) { - ast_log(LOG_WARNING, "Unable to determine group for data %s\n", (char *)data); - return NULL; - } - groupmatch = ((ast_group_t) 1 << x); - if (toupper(dest[0]) == 'G') { - if (dest[0] == 'G') { - backwards = 1; - p = ifend; - } else - p = iflist; - } else { - if (dest[0] == 'R') { - backwards = 1; - p = round_robin[x]?round_robin[x]->prev:ifend; - if (!p) - p = ifend; - } else { - p = round_robin[x]?round_robin[x]->next:iflist; - if (!p) - p = iflist; - } - roundrobin = 1; - } - } else { - char *stringp=NULL; - stringp=dest; - s = strsep(&stringp, "/"); - p = iflist; - if (!strcasecmp(s, "pseudo")) { - /* Special case for pseudo */ - x = CHAN_PSEUDO; - channelmatch = x; - } -#ifdef HAVE_PRI - else if ((res = sscanf(s, "%d:%d%c%d", &trunkgroup, &crv, &opt, &y)) > 1) { - if ((trunkgroup < 1) || (crv < 1)) { - ast_log(LOG_WARNING, "Unable to determine trunk group and CRV for data %s\n", (char *)data); - return NULL; - } - res--; - for (x = 0; x < NUM_SPANS; x++) { - if (pris[x].trunkgroup == trunkgroup) { - pri = pris + x; - lock = &pri->lock; - start = pri->crvs; - end = pri->crvend; - break; - } - } - if (!pri) { - ast_log(LOG_WARNING, "Unable to find trunk group %d\n", trunkgroup); - return NULL; - } - channelmatch = crv; - p = pris[x].crvs; - } -#endif - else if ((res = sscanf(s, "%d%c%d", &x, &opt, &y)) < 1) { - ast_log(LOG_WARNING, "Unable to determine channel for data %s\n", (char *)data); - return NULL; - } else { - channelmatch = x; - } - } - /* Search for an unowned channel */ - ast_mutex_lock(lock); - exit = p; - while (p && !tmp) { - if (roundrobin) - round_robin[x] = p; -#if 0 - ast_verbose("name = %s, %d, %d, %d\n",p->owner ? p->owner->name : "<none>", p->channel, channelmatch, groupmatch); -#endif - - if (p && available(p, channelmatch, groupmatch, &busy, &channelmatched, &groupmatched)) { - if (option_debug) - ast_log(LOG_DEBUG, "Using channel %d\n", p->channel); - if (p->inalarm) - goto next; - - callwait = (p->owner != NULL); -#ifdef HAVE_PRI - if (pri && (p->subs[SUB_REAL].dfd < 0)) { - if (p->sig != SIG_FXSKS) { - /* Gotta find an actual channel to use for this - CRV if this isn't a callwait */ - bearer = pri_find_empty_chan(pri, 0); - if (bearer < 0) { - ast_log(LOG_NOTICE, "Out of bearer channels on span %d for call to CRV %d:%d\n", pri->span, trunkgroup, crv); - p = NULL; - break; - } - pri_assign_bearer(p, pri, pri->pvts[bearer]); - } else { - if (alloc_sub(p, 0)) { - ast_log(LOG_NOTICE, "Failed to allocate place holder pseudo channel!\n"); - p = NULL; - break; - } else - ast_log(LOG_DEBUG, "Allocated placeholder pseudo channel\n"); - p->pri = pri; - } - } -#endif - if (p->channel == CHAN_PSEUDO) { - p = chandup(p); - if (!p) { - break; - } - } - if (p->owner) { - if (alloc_sub(p, SUB_CALLWAIT)) { - p = NULL; - break; - } - } - p->outgoing = 1; - tmp = dahdi_new(p, AST_STATE_RESERVED, 0, p->owner ? SUB_CALLWAIT : SUB_REAL, 0, 0); -#ifdef HAVE_PRI - if (p->bearer) { - /* Log owner to bearer channel, too */ - p->bearer->owner = tmp; - } -#endif - /* Make special notes */ - if (res > 1) { - if (opt == 'c') { - /* Confirm answer */ - p->confirmanswer = 1; - } else if (opt == 'r') { - /* Distinctive ring */ - if (res < 3) - ast_log(LOG_WARNING, "Distinctive ring missing identifier in '%s'\n", (char *)data); - else - p->distinctivering = y; - } else if (opt == 'd') { - /* If this is an ISDN call, make it digital */ - p->digital = 1; - if (tmp) - tmp->transfercapability = AST_TRANS_CAP_DIGITAL; - } else { - ast_log(LOG_WARNING, "Unknown option '%c' in '%s'\n", opt, (char *)data); - } - } - /* Note if the call is a call waiting call */ - if (tmp && callwait) - tmp->cdrflags |= AST_CDR_CALLWAIT; - break; - } -next: - if (backwards) { - p = p->prev; - if (!p) - p = end; - } else { - p = p->next; - if (!p) - p = start; - } - /* stop when you roll to the one that we started from */ - if (p == exit) - break; - } - ast_mutex_unlock(lock); - restart_monitor(); - if (callwait) - *cause = AST_CAUSE_BUSY; - else if (!tmp) { - if (channelmatched) { - if (busy) - *cause = AST_CAUSE_BUSY; - } else if (groupmatched) { - *cause = AST_CAUSE_CONGESTION; - } - } - - return tmp; -} - - -#ifdef HAVE_PRI -static struct dahdi_pvt *pri_find_crv(struct dahdi_pri *pri, int crv) -{ - struct dahdi_pvt *p; - p = pri->crvs; - while (p) { - if (p->channel == crv) - return p; - p = p->next; - } - return NULL; -} - - -static int pri_find_principle(struct dahdi_pri *pri, int channel) -{ - int x; - int span = PRI_SPAN(channel); - int spanfd; - struct dahdi_params param; - int principle = -1; - int explicit = PRI_EXPLICIT(channel); - channel = PRI_CHANNEL(channel); - - if (!explicit) { - spanfd = pri_active_dchan_fd(pri); - if (ioctl(spanfd, DAHDI_GET_PARAMS, ¶m)) - return -1; - span = pris[param.spanno - 1].prilogicalspan; - } - - for (x = 0; x < pri->numchans; x++) { - if (pri->pvts[x] && (pri->pvts[x]->prioffset == channel) && (pri->pvts[x]->logicalspan == span)) { - principle = x; - break; - } - } - - return principle; -} - -static int pri_fixup_principle(struct dahdi_pri *pri, int principle, q931_call *c) -{ - int x; - struct dahdi_pvt *crv; - if (!c) { - if (principle < 0) - return -1; - return principle; - } - if ((principle > -1) && - (principle < pri->numchans) && - (pri->pvts[principle]) && - (pri->pvts[principle]->call == c)) - return principle; - /* First, check for other bearers */ - for (x = 0; x < pri->numchans; x++) { - if (!pri->pvts[x]) - continue; - if (pri->pvts[x]->call == c) { - /* Found our call */ - if (principle != x) { - struct dahdi_pvt *new = pri->pvts[principle], *old = pri->pvts[x]; - - if (option_verbose > 2) - ast_verbose(VERBOSE_PREFIX_3 "Moving call from channel %d to channel %d\n", - old->channel, new->channel); - if (new->owner) { - ast_log(LOG_WARNING, "Can't fix up channel from %d to %d because %d is already in use\n", - old->channel, new->channel, new->channel); - return -1; - } - /* Fix it all up now */ - new->owner = old->owner; - old->owner = NULL; - if (new->owner) { - ast_string_field_build(new->owner, name, "%s/%d:%d-%d", dahdi_chan_name, pri->trunkgroup, new->channel, 1); - new->owner->tech_pvt = new; - new->owner->fds[0] = new->subs[SUB_REAL].dfd; - new->subs[SUB_REAL].owner = old->subs[SUB_REAL].owner; - old->subs[SUB_REAL].owner = NULL; - } else - ast_log(LOG_WARNING, "Whoa, there's no owner, and we're having to fix up channel %d to channel %d\n", old->channel, new->channel); - new->call = old->call; - old->call = NULL; - - /* Copy any DSP that may be present */ - new->dsp = old->dsp; - new->dsp_features = old->dsp_features; - old->dsp = NULL; - old->dsp_features = 0; - } - return principle; - } - } - /* Now check for a CRV with no bearer */ - crv = pri->crvs; - while (crv) { - if (crv->call == c) { - /* This is our match... Perform some basic checks */ - if (crv->bearer) - ast_log(LOG_WARNING, "Trying to fix up call which already has a bearer which isn't the one we think it is\n"); - else if (pri->pvts[principle]->owner) - ast_log(LOG_WARNING, "Tring to fix up a call to a bearer which already has an owner!\n"); - else { - /* Looks good. Drop the pseudo channel now, clear up the assignment, and - wakeup the potential sleeper */ - dahdi_close_sub(crv, SUB_REAL); - pri->pvts[principle]->call = crv->call; - pri_assign_bearer(crv, pri, pri->pvts[principle]); - ast_log(LOG_DEBUG, "Assigning bearer %d/%d to CRV %d:%d\n", - pri->pvts[principle]->logicalspan, pri->pvts[principle]->prioffset, - pri->trunkgroup, crv->channel); - wakeup_sub(crv, SUB_REAL, pri); - } - return principle; - } - crv = crv->next; - } - ast_log(LOG_WARNING, "Call specified, but not found?\n"); - return -1; -} - -static void *do_idle_thread(void *vchan) -{ - struct ast_channel *chan = vchan; - struct dahdi_pvt *pvt = chan->tech_pvt; - struct ast_frame *f; - char ex[80]; - /* Wait up to 30 seconds for an answer */ - int newms, ms = 30000; - if (option_verbose > 2) - ast_verbose(VERBOSE_PREFIX_3 "Initiating idle call on channel %s\n", chan->name); - snprintf(ex, sizeof(ex), "%d/%s", pvt->channel, pvt->pri->idledial); - if (ast_call(chan, ex, 0)) { - ast_log(LOG_WARNING, "Idle dial failed on '%s' to '%s'\n", chan->name, ex); - ast_hangup(chan); - return NULL; - } - while ((newms = ast_waitfor(chan, ms)) > 0) { - f = ast_read(chan); - if (!f) { - /* Got hangup */ - break; - } - if (f->frametype == AST_FRAME_CONTROL) { - switch (f->subclass) { - case AST_CONTROL_ANSWER: - /* Launch the PBX */ - ast_copy_string(chan->exten, pvt->pri->idleext, sizeof(chan->exten)); - ast_copy_string(chan->context, pvt->pri->idlecontext, sizeof(chan->context)); - chan->priority = 1; - if (option_verbose > 3) - ast_verbose(VERBOSE_PREFIX_3 "Idle channel '%s' answered, sending to %s@%s\n", chan->name, chan->exten, chan->context); - ast_pbx_run(chan); - /* It's already hungup, return immediately */ - return NULL; - case AST_CONTROL_BUSY: - if (option_verbose > 3) - ast_verbose(VERBOSE_PREFIX_3 "Idle channel '%s' busy, waiting...\n", chan->name); - break; - case AST_CONTROL_CONGESTION: - if (option_verbose > 3) - ast_verbose(VERBOSE_PREFIX_3 "Idle channel '%s' congested, waiting...\n", chan->name); - break; - }; - } - ast_frfree(f); - ms = newms; - } - /* Hangup the channel since nothing happend */ - ast_hangup(chan); - return NULL; -} - -#ifndef PRI_RESTART -#error "Upgrade your libpri" -#endif -static void dahdi_pri_message(struct pri *pri, char *s) -{ - int x, y; - int dchan = -1, span = -1; - int dchancount = 0; - - if (pri) { - for (x = 0; x < NUM_SPANS; x++) { - for (y = 0; y < NUM_DCHANS; y++) { - if (pris[x].dchans[y]) - dchancount++; - - if (pris[x].dchans[y] == pri) - dchan = y; - } - if (dchan >= 0) { - span = x; - break; - } - dchancount = 0; - } - if ((dchan >= 0) && (span >= 0)) { - if (dchancount > 1) - ast_verbose("[Span %d D-Channel %d]%s", span, dchan, s); - else - ast_verbose("%s", s); - } else - ast_log(LOG_ERROR, "PRI debug error: could not find pri associated it with debug message output\n"); - } else - ast_verbose("%s", s); - - ast_mutex_lock(&pridebugfdlock); - - if (pridebugfd >= 0) { - if (write(pridebugfd, s, strlen(s)) < 0) { - ast_log(LOG_WARNING, "write() failed: %s\n", strerror(errno)); - } - } - - ast_mutex_unlock(&pridebugfdlock); -} - -static void dahdi_pri_error(struct pri *pri, char *s) -{ - int x, y; - int dchan = -1, span = -1; - int dchancount = 0; - - if (pri) { - for (x = 0; x < NUM_SPANS; x++) { - for (y = 0; y < NUM_DCHANS; y++) { - if (pris[x].dchans[y]) - dchancount++; - - if (pris[x].dchans[y] == pri) - dchan = y; - } - if (dchan >= 0) { - span = x; - break; - } - dchancount = 0; - } - if ((dchan >= 0) && (span >= 0)) { - if (dchancount > 1) - ast_log(LOG_ERROR, "[Span %d D-Channel %d] PRI: %s", span, dchan, s); - else - ast_log(LOG_ERROR, "%s", s); - } else - ast_log(LOG_ERROR, "PRI debug error: could not find pri associated it with debug message output\n"); - } else - ast_log(LOG_ERROR, "%s", s); - - ast_mutex_lock(&pridebugfdlock); - - if (pridebugfd >= 0) { - if (write(pridebugfd, s, strlen(s)) < 0) { - ast_log(LOG_WARNING, "write() failed: %s\n", strerror(errno)); - } - } - - ast_mutex_unlock(&pridebugfdlock); -} - -static int pri_check_restart(struct dahdi_pri *pri) -{ - do { - pri->resetpos++; - } while ((pri->resetpos < pri->numchans) && - (!pri->pvts[pri->resetpos] || - pri->pvts[pri->resetpos]->call || - pri->pvts[pri->resetpos]->resetting)); - if (pri->resetpos < pri->numchans) { - /* Mark the channel as resetting and restart it */ - pri->pvts[pri->resetpos]->resetting = 1; - pri_reset(pri->pri, PVT_TO_CHANNEL(pri->pvts[pri->resetpos])); - } else { - pri->resetting = 0; - time(&pri->lastreset); - } - return 0; -} - -static int pri_hangup_all(struct dahdi_pvt *p, struct dahdi_pri *pri) -{ - int x; - int redo; - ast_mutex_unlock(&pri->lock); - ast_mutex_lock(&p->lock); - do { - redo = 0; - for (x = 0; x < 3; x++) { - while (p->subs[x].owner && ast_mutex_trylock(&p->subs[x].owner->lock)) { - redo++; - DEADLOCK_AVOIDANCE(&p->lock); - } - if (p->subs[x].owner) { - ast_queue_hangup(p->subs[x].owner); - ast_mutex_unlock(&p->subs[x].owner->lock); - } - } - } while (redo); - ast_mutex_unlock(&p->lock); - ast_mutex_lock(&pri->lock); - return 0; -} - -static char * redirectingreason2str(int redirectingreason) -{ - switch (redirectingreason) { - case 0: - return "UNKNOWN"; - case 1: - return "BUSY"; - case 2: - return "NO_REPLY"; - case 0xF: - return "UNCONDITIONAL"; - default: - return "NOREDIRECT"; - } -} - -static void apply_plan_to_number(char *buf, size_t size, const struct dahdi_pri *pri, const char *number, const int plan) -{ - switch (plan) { - case PRI_INTERNATIONAL_ISDN: /* Q.931 dialplan == 0x11 international dialplan => prepend international prefix digits */ - snprintf(buf, size, "%s%s", pri->internationalprefix, number); - break; - case PRI_NATIONAL_ISDN: /* Q.931 dialplan == 0x21 national dialplan => prepend national prefix digits */ - snprintf(buf, size, "%s%s", pri->nationalprefix, number); - break; - case PRI_LOCAL_ISDN: /* Q.931 dialplan == 0x41 local dialplan => prepend local prefix digits */ - snprintf(buf, size, "%s%s", pri->localprefix, number); - break; - case PRI_PRIVATE: /* Q.931 dialplan == 0x49 private dialplan => prepend private prefix digits */ - snprintf(buf, size, "%s%s", pri->privateprefix, number); - break; - case PRI_UNKNOWN: /* Q.931 dialplan == 0x00 unknown dialplan => prepend unknown prefix digits */ - snprintf(buf, size, "%s%s", pri->unknownprefix, number); - break; - default: /* other Q.931 dialplan => don't twiddle with callingnum */ - snprintf(buf, size, "%s", number); - break; - } -} - -static int dahdi_setlaw(int dfd, int law) -{ - int res; - res = ioctl(dfd, DAHDI_SETLAW, &law); - if (res) - return res; - return 0; -} - -static void *pri_dchannel(void *vpri) -{ - struct dahdi_pri *pri = vpri; - pri_event *e; - struct pollfd fds[NUM_DCHANS]; - int res; - int chanpos = 0; - int x; - int haveidles; - int activeidles; - int nextidle = -1; - struct ast_channel *c; - struct timeval tv, lowest, *next; - struct timeval lastidle = { 0, 0 }; - int doidling=0; - char *cc; - char idlen[80]; - struct ast_channel *idle; - pthread_t p; - time_t t; - int i, which=-1; - int numdchans; - int cause=0; - struct dahdi_pvt *crv; - pthread_t threadid; - pthread_attr_t attr; - char ani2str[6]; - char plancallingnum[256]; - char plancallingani[256]; - char calledtonstr[10]; - - pthread_setcancelstate(PTHREAD_CANCEL_DISABLE, NULL); - - gettimeofday(&lastidle, NULL); - if (!ast_strlen_zero(pri->idledial) && !ast_strlen_zero(pri->idleext)) { - /* Need to do idle dialing, check to be sure though */ - cc = strchr(pri->idleext, '@'); - if (cc) { - *cc = '\0'; - cc++; - ast_copy_string(pri->idlecontext, cc, sizeof(pri->idlecontext)); -#if 0 - /* Extensions may not be loaded yet */ - if (!ast_exists_extension(NULL, pri->idlecontext, pri->idleext, 1, NULL)) - ast_log(LOG_WARNING, "Extension '%s @ %s' does not exist\n", pri->idleext, pri->idlecontext); - else -#endif - doidling = 1; - } else - ast_log(LOG_WARNING, "Idle dial string '%s' lacks '@context'\n", pri->idleext); - } - for (;;) { - for (i = 0; i < NUM_DCHANS; i++) { - if (!pri->dchannels[i]) - break; - fds[i].fd = pri->fds[i]; - fds[i].events = POLLIN | POLLPRI; - fds[i].revents = 0; - } - numdchans = i; - time(&t); - ast_mutex_lock(&pri->lock); - if (pri->switchtype != PRI_SWITCH_GR303_TMC && (pri->resetinterval > 0)) { - if (pri->resetting && pri_is_up(pri)) { - if (pri->resetpos < 0) - pri_check_restart(pri); - } else { - if (!pri->resetting && (t - pri->lastreset) >= pri->resetinterval) { - pri->resetting = 1; - pri->resetpos = -1; - } - } - } - /* Look for any idle channels if appropriate */ - if (doidling && pri_is_up(pri)) { - nextidle = -1; - haveidles = 0; - activeidles = 0; - for (x = pri->numchans; x >= 0; x--) { - if (pri->pvts[x] && !pri->pvts[x]->owner && - !pri->pvts[x]->call) { - if (haveidles < pri->minunused) { - haveidles++; - } else if (!pri->pvts[x]->resetting) { - nextidle = x; - break; - } - } else if (pri->pvts[x] && pri->pvts[x]->owner && pri->pvts[x]->isidlecall) - activeidles++; - } - if (nextidle > -1) { - if (ast_tvdiff_ms(ast_tvnow(), lastidle) > 1000) { - /* Don't create a new idle call more than once per second */ - snprintf(idlen, sizeof(idlen), "%d/%s", pri->pvts[nextidle]->channel, pri->idledial); - idle = dahdi_request(dahdi_chan_name, AST_FORMAT_ULAW, idlen, &cause); - if (idle) { - pri->pvts[nextidle]->isidlecall = 1; - if (ast_pthread_create_background(&p, NULL, do_idle_thread, idle)) { - ast_log(LOG_WARNING, "Unable to start new thread for idle channel '%s'\n", idle->name); - dahdi_hangup(idle); - } - } else - ast_log(LOG_WARNING, "Unable to request channel 'DAHDI/%s' for idle call\n", idlen); - gettimeofday(&lastidle, NULL); - } - } else if ((haveidles < pri->minunused) && - (activeidles > pri->minidle)) { - /* Mark something for hangup if there is something - that can be hungup */ - for (x = pri->numchans; x >= 0; x--) { - /* find a candidate channel */ - if (pri->pvts[x] && pri->pvts[x]->owner && pri->pvts[x]->isidlecall) { - pri->pvts[x]->owner->_softhangup |= AST_SOFTHANGUP_DEV; - haveidles++; - /* Stop if we have enough idle channels or - can't spare any more active idle ones */ - if ((haveidles >= pri->minunused) || - (activeidles <= pri->minidle)) - break; - } - } - } - } - /* Start with reasonable max */ - lowest = ast_tv(60, 0); - for (i = 0; i < NUM_DCHANS; i++) { - /* Find lowest available d-channel */ - if (!pri->dchannels[i]) - break; - if ((next = pri_schedule_next(pri->dchans[i]))) { - /* We need relative time here */ - tv = ast_tvsub(*next, ast_tvnow()); - if (tv.tv_sec < 0) { - tv = ast_tv(0,0); - } - if (doidling || pri->resetting) { - if (tv.tv_sec > 1) { - tv = ast_tv(1, 0); - } - } else { - if (tv.tv_sec > 60) { - tv = ast_tv(60, 0); - } - } - } else if (doidling || pri->resetting) { - /* Make sure we stop at least once per second if we're - monitoring idle channels */ - tv = ast_tv(1,0); - } else { - /* Don't poll for more than 60 seconds */ - tv = ast_tv(60, 0); - } - if (!i || ast_tvcmp(tv, lowest) < 0) { - lowest = tv; - } - } - ast_mutex_unlock(&pri->lock); - - pthread_setcancelstate(PTHREAD_CANCEL_ENABLE, NULL); - pthread_testcancel(); - e = NULL; - res = poll(fds, numdchans, lowest.tv_sec * 1000 + lowest.tv_usec / 1000); - pthread_testcancel(); - pthread_setcancelstate(PTHREAD_CANCEL_DISABLE, NULL); - - ast_mutex_lock(&pri->lock); - if (!res) { - for (which = 0; which < NUM_DCHANS; which++) { - if (!pri->dchans[which]) - break; - /* Just a timeout, run the scheduler */ - e = pri_schedule_run(pri->dchans[which]); - if (e) - break; - } - } else if (res > -1) { - for (which = 0; which < NUM_DCHANS; which++) { - if (!pri->dchans[which]) - break; - if (fds[which].revents & POLLPRI) { - /* Check for an event */ - x = 0; - res = ioctl(pri->fds[which], DAHDI_GETEVENT, &x); - if (x) - ast_log(LOG_NOTICE, "PRI got event: %s (%d) on %s D-channel of span %d\n", event2str(x), x, pri_order(which), pri->span); - /* Keep track of alarm state */ - if (x == DAHDI_EVENT_ALARM) { - pri->dchanavail[which] &= ~(DCHAN_NOTINALARM | DCHAN_UP); - pri_find_dchan(pri); - } else if (x == DAHDI_EVENT_NOALARM) { - pri->dchanavail[which] |= DCHAN_NOTINALARM; - pri_restart(pri->dchans[which]); - } - - if (option_debug) - ast_log(LOG_DEBUG, "Got event %s (%d) on D-channel for span %d\n", event2str(x), x, pri->span); - } else if (fds[which].revents & POLLIN) { - e = pri_check_event(pri->dchans[which]); - } - if (e) - break; - } - } else if (errno != EINTR) - ast_log(LOG_WARNING, "pri_event returned error %d (%s)\n", errno, strerror(errno)); - - if (e) { - if (pri->debug) - pri_dump_event(pri->dchans[which], e); - - if (e->e != PRI_EVENT_DCHAN_DOWN) { - if (!(pri->dchanavail[which] & DCHAN_UP)) { - if (option_verbose > 1) - ast_verbose(VERBOSE_PREFIX_2 "%s D-Channel on span %d up\n", pri_order(which), pri->span); - } - pri->dchanavail[which] |= DCHAN_UP; - } else { - if (pri->dchanavail[which] & DCHAN_UP) { - if (option_verbose > 1) - ast_verbose(VERBOSE_PREFIX_2 "%s D-Channel on span %d down\n", pri_order(which), pri->span); - } - pri->dchanavail[which] &= ~DCHAN_UP; - } - - if ((e->e != PRI_EVENT_DCHAN_UP) && (e->e != PRI_EVENT_DCHAN_DOWN) && (pri->pri != pri->dchans[which])) - /* Must be an NFAS group that has the secondary dchan active */ - pri->pri = pri->dchans[which]; - - switch (e->e) { - case PRI_EVENT_DCHAN_UP: - if (!pri->pri) pri_find_dchan(pri); - - /* Note presense of D-channel */ - time(&pri->lastreset); - - /* Restart in 5 seconds */ - if (pri->resetinterval > -1) { - pri->lastreset -= pri->resetinterval; - pri->lastreset += 5; - } - pri->resetting = 0; - /* Take the channels from inalarm condition */ - for (i = 0; i < pri->numchans; i++) - if (pri->pvts[i]) { - pri->pvts[i]->inalarm = 0; - } - break; - case PRI_EVENT_DCHAN_DOWN: - pri_find_dchan(pri); - if (!pri_is_up(pri)) { - pri->resetting = 0; - /* Hangup active channels and put them in alarm mode */ - for (i = 0; i < pri->numchans; i++) { - struct dahdi_pvt *p = pri->pvts[i]; - if (p) { - if (!p->pri || !p->pri->pri || pri_get_timer(p->pri->pri, PRI_TIMER_T309) < 0) { - /* T309 is not enabled : hangup calls when alarm occurs */ - if (p->call) { - if (p->pri && p->pri->pri) { - pri_hangup(p->pri->pri, p->call, -1); - pri_destroycall(p->pri->pri, p->call); - p->call = NULL; - } else - ast_log(LOG_WARNING, "The PRI Call have not been destroyed\n"); - } - if (p->realcall) { - pri_hangup_all(p->realcall, pri); - } else if (p->owner) - p->owner->_softhangup |= AST_SOFTHANGUP_DEV; - } - p->inalarm = 1; - } - } - } - break; - case PRI_EVENT_RESTART: - if (e->restart.channel > -1) { - chanpos = pri_find_principle(pri, e->restart.channel); - if (chanpos < 0) - ast_log(LOG_WARNING, "Restart requested on odd/unavailable channel number %d/%d on span %d\n", - PRI_SPAN(e->restart.channel), PRI_CHANNEL(e->restart.channel), pri->span); - else { - if (option_verbose > 2) - ast_verbose(VERBOSE_PREFIX_3 "B-channel %d/%d restarted on span %d\n", - PRI_SPAN(e->restart.channel), PRI_CHANNEL(e->restart.channel), pri->span); - ast_mutex_lock(&pri->pvts[chanpos]->lock); - if (pri->pvts[chanpos]->call) { - pri_destroycall(pri->pri, pri->pvts[chanpos]->call); - pri->pvts[chanpos]->call = NULL; - } - /* Force soft hangup if appropriate */ - if (pri->pvts[chanpos]->realcall) - pri_hangup_all(pri->pvts[chanpos]->realcall, pri); - else if (pri->pvts[chanpos]->owner) - pri->pvts[chanpos]->owner->_softhangup |= AST_SOFTHANGUP_DEV; - ast_mutex_unlock(&pri->pvts[chanpos]->lock); - } - } else { - if (option_verbose > 2) - ast_verbose(VERBOSE_PREFIX_2 "Restart on requested on entire span %d\n", pri->span); - for (x = 0; x < pri->numchans; x++) - if (pri->pvts[x]) { - ast_mutex_lock(&pri->pvts[x]->lock); - if (pri->pvts[x]->call) { - pri_destroycall(pri->pri, pri->pvts[x]->call); - pri->pvts[x]->call = NULL; - } - if (pri->pvts[chanpos]->realcall) - pri_hangup_all(pri->pvts[chanpos]->realcall, pri); - else if (pri->pvts[x]->owner) - pri->pvts[x]->owner->_softhangup |= AST_SOFTHANGUP_DEV; - ast_mutex_unlock(&pri->pvts[x]->lock); - } - } - break; - case PRI_EVENT_KEYPAD_DIGIT: - chanpos = pri_find_principle(pri, e->digit.channel); - if (chanpos < 0) { - ast_log(LOG_WARNING, "KEYPAD_DIGITs received on unconfigured channel %d/%d span %d\n", - PRI_SPAN(e->digit.channel), PRI_CHANNEL(e->digit.channel), pri->span); - } else { - chanpos = pri_fixup_principle(pri, chanpos, e->digit.call); - if (chanpos > -1) { - ast_mutex_lock(&pri->pvts[chanpos]->lock); - /* queue DTMF frame if the PBX for this call was already started (we're forwarding KEYPAD_DIGITs further on */ - if (pri->overlapdial && pri->pvts[chanpos]->call==e->digit.call && pri->pvts[chanpos]->owner) { - /* how to do that */ - int digitlen = strlen(e->digit.digits); - char digit; - int i; - for (i = 0; i < digitlen; i++) { - digit = e->digit.digits[i]; - { - struct ast_frame f = { AST_FRAME_DTMF, digit, }; - dahdi_queue_frame(pri->pvts[chanpos], &f, pri); - } - } - } - ast_mutex_unlock(&pri->pvts[chanpos]->lock); - } - } - break; - - case PRI_EVENT_INFO_RECEIVED: - chanpos = pri_find_principle(pri, e->ring.channel); - if (chanpos < 0) { - ast_log(LOG_WARNING, "INFO received on unconfigured channel %d/%d span %d\n", - PRI_SPAN(e->ring.channel), PRI_CHANNEL(e->ring.channel), pri->span); - } else { - chanpos = pri_fixup_principle(pri, chanpos, e->ring.call); - if (chanpos > -1) { - ast_mutex_lock(&pri->pvts[chanpos]->lock); - /* queue DTMF frame if the PBX for this call was already started (we're forwarding INFORMATION further on */ - if (pri->overlapdial && pri->pvts[chanpos]->call==e->ring.call && pri->pvts[chanpos]->owner) { - /* how to do that */ - int digitlen = strlen(e->ring.callednum); - char digit; - int i; - for (i = 0; i < digitlen; i++) { - digit = e->ring.callednum[i]; - { - struct ast_frame f = { AST_FRAME_DTMF, digit, }; - dahdi_queue_frame(pri->pvts[chanpos], &f, pri); - } - } - } - ast_mutex_unlock(&pri->pvts[chanpos]->lock); - } - } - break; - case PRI_EVENT_RING: - crv = NULL; - if (e->ring.channel == -1) - chanpos = pri_find_empty_chan(pri, 1); - else - chanpos = pri_find_principle(pri, e->ring.channel); - /* if no channel specified find one empty */ - if (chanpos < 0) { - ast_log(LOG_WARNING, "Ring requested on unconfigured channel %d/%d span %d\n", - PRI_SPAN(e->ring.channel), PRI_CHANNEL(e->ring.channel), pri->span); - } else { - ast_mutex_lock(&pri->pvts[chanpos]->lock); - if (pri->pvts[chanpos]->owner) { - if (pri->pvts[chanpos]->call == e->ring.call) { - ast_log(LOG_WARNING, "Duplicate setup requested on channel %d/%d already in use on span %d\n", - PRI_SPAN(e->ring.channel), PRI_CHANNEL(e->ring.channel), pri->span); - break; - } else { - /* This is where we handle initial glare */ - ast_log(LOG_DEBUG, "Ring requested on channel %d/%d already in use or previously requested on span %d. Attempting to renegotiating channel.\n", - PRI_SPAN(e->ring.channel), PRI_CHANNEL(e->ring.channel), pri->span); - ast_mutex_unlock(&pri->pvts[chanpos]->lock); - chanpos = -1; - } - } - if (chanpos > -1) - ast_mutex_unlock(&pri->pvts[chanpos]->lock); - } - if ((chanpos < 0) && (e->ring.flexible)) - chanpos = pri_find_empty_chan(pri, 1); - if (chanpos > -1) { - ast_mutex_lock(&pri->pvts[chanpos]->lock); - if (pri->switchtype == PRI_SWITCH_GR303_TMC) { - /* Should be safe to lock CRV AFAIK while bearer is still locked */ - crv = pri_find_crv(pri, pri_get_crv(pri->pri, e->ring.call, NULL)); - if (crv) - ast_mutex_lock(&crv->lock); - if (!crv || crv->owner) { - pri->pvts[chanpos]->call = NULL; - if (crv) { - if (crv->owner) - crv->owner->_softhangup |= AST_SOFTHANGUP_DEV; - ast_log(LOG_WARNING, "Call received for busy CRV %d on span %d\n", pri_get_crv(pri->pri, e->ring.call, NULL), pri->span); - } else - ast_log(LOG_NOTICE, "Call received for unconfigured CRV %d on span %d\n", pri_get_crv(pri->pri, e->ring.call, NULL), pri->span); - pri_hangup(pri->pri, e->ring.call, PRI_CAUSE_INVALID_CALL_REFERENCE); - if (crv) - ast_mutex_unlock(&crv->lock); - ast_mutex_unlock(&pri->pvts[chanpos]->lock); - break; - } - } - pri->pvts[chanpos]->call = e->ring.call; - apply_plan_to_number(plancallingnum, sizeof(plancallingnum), pri, e->ring.callingnum, e->ring.callingplan); - if (pri->pvts[chanpos]->use_callerid) { - ast_shrink_phone_number(plancallingnum); - ast_copy_string(pri->pvts[chanpos]->cid_num, plancallingnum, sizeof(pri->pvts[chanpos]->cid_num)); -#ifdef PRI_ANI - if (!ast_strlen_zero(e->ring.callingani)) { - apply_plan_to_number(plancallingani, sizeof(plancallingani), pri, e->ring.callingani, e->ring.callingplanani); - ast_shrink_phone_number(plancallingani); - ast_copy_string(pri->pvts[chanpos]->cid_ani, plancallingani, sizeof(pri->pvts[chanpos]->cid_ani)); - } else { - pri->pvts[chanpos]->cid_ani[0] = '\0'; - } -#endif - ast_copy_string(pri->pvts[chanpos]->cid_name, e->ring.callingname, sizeof(pri->pvts[chanpos]->cid_name)); - pri->pvts[chanpos]->cid_ton = e->ring.callingplan; /* this is the callingplan (TON/NPI), e->ring.callingplan>>4 would be the TON */ - } else { - pri->pvts[chanpos]->cid_num[0] = '\0'; - pri->pvts[chanpos]->cid_ani[0] = '\0'; - pri->pvts[chanpos]->cid_name[0] = '\0'; - pri->pvts[chanpos]->cid_ton = 0; - } - apply_plan_to_number(pri->pvts[chanpos]->rdnis, sizeof(pri->pvts[chanpos]->rdnis), pri, - e->ring.redirectingnum, e->ring.callingplanrdnis); - /* If immediate=yes go to s|1 */ - if (pri->pvts[chanpos]->immediate) { - if (option_verbose > 2) - ast_verbose(VERBOSE_PREFIX_3 "Going to extension s|1 because of immediate=yes\n"); - pri->pvts[chanpos]->exten[0] = 's'; - pri->pvts[chanpos]->exten[1] = '\0'; - } - /* Get called number */ - else if (!ast_strlen_zero(e->ring.callednum)) { - ast_copy_string(pri->pvts[chanpos]->exten, e->ring.callednum, sizeof(pri->pvts[chanpos]->exten)); - ast_copy_string(pri->pvts[chanpos]->dnid, e->ring.callednum, sizeof(pri->pvts[chanpos]->dnid)); - } else if (pri->overlapdial) - pri->pvts[chanpos]->exten[0] = '\0'; - else { - /* Some PRI circuits are set up to send _no_ digits. Handle them as 's'. */ - pri->pvts[chanpos]->exten[0] = 's'; - pri->pvts[chanpos]->exten[1] = '\0'; - } - /* Set DNID on all incoming calls -- even immediate */ - if (!ast_strlen_zero(e->ring.callednum)) - ast_copy_string(pri->pvts[chanpos]->dnid, e->ring.callednum, sizeof(pri->pvts[chanpos]->dnid)); - /* No number yet, but received "sending complete"? */ - if (e->ring.complete && (ast_strlen_zero(e->ring.callednum))) { - if (option_verbose > 2) - ast_verbose(VERBOSE_PREFIX_3 "Going to extension s|1 because of Complete received\n"); - pri->pvts[chanpos]->exten[0] = 's'; - pri->pvts[chanpos]->exten[1] = '\0'; - } - /* Make sure extension exists (or in overlap dial mode, can exist) */ - if ((pri->overlapdial && ast_canmatch_extension(NULL, pri->pvts[chanpos]->context, pri->pvts[chanpos]->exten, 1, pri->pvts[chanpos]->cid_num)) || - ast_exists_extension(NULL, pri->pvts[chanpos]->context, pri->pvts[chanpos]->exten, 1, pri->pvts[chanpos]->cid_num)) { - /* Setup law */ - int law; - if (pri->switchtype != PRI_SWITCH_GR303_TMC) { - /* Set to audio mode at this point */ - law = 1; - if (ioctl(pri->pvts[chanpos]->subs[SUB_REAL].dfd, DAHDI_AUDIOMODE, &law) == -1) - ast_log(LOG_WARNING, "Unable to set audio mode on channel %d to %d: %s\n", pri->pvts[chanpos]->channel, law, strerror(errno)); - } - if (e->ring.layer1 == PRI_LAYER_1_ALAW) - law = DAHDI_LAW_ALAW; - else - law = DAHDI_LAW_MULAW; - res = dahdi_setlaw(pri->pvts[chanpos]->subs[SUB_REAL].dfd, law); - if (res < 0) - ast_log(LOG_WARNING, "Unable to set law on channel %d\n", pri->pvts[chanpos]->channel); - res = set_actual_gain(pri->pvts[chanpos]->subs[SUB_REAL].dfd, 0, pri->pvts[chanpos]->rxgain, pri->pvts[chanpos]->txgain, law); - if (res < 0) - ast_log(LOG_WARNING, "Unable to set gains on channel %d\n", pri->pvts[chanpos]->channel); - if (e->ring.complete || !pri->overlapdial) { - /* Just announce proceeding */ - pri->pvts[chanpos]->proceeding = 1; - pri_proceeding(pri->pri, e->ring.call, PVT_TO_CHANNEL(pri->pvts[chanpos]), 0); - } else { - if (pri->switchtype != PRI_SWITCH_GR303_TMC) - pri_need_more_info(pri->pri, e->ring.call, PVT_TO_CHANNEL(pri->pvts[chanpos]), 1); - else - pri_answer(pri->pri, e->ring.call, PVT_TO_CHANNEL(pri->pvts[chanpos]), 1); - } - /* Get the use_callingpres state */ - pri->pvts[chanpos]->callingpres = e->ring.callingpres; - - /* Start PBX */ - if (!e->ring.complete && pri->overlapdial && ast_matchmore_extension(NULL, pri->pvts[chanpos]->context, pri->pvts[chanpos]->exten, 1, pri->pvts[chanpos]->cid_num)) { - /* Release the PRI lock while we create the channel */ - ast_mutex_unlock(&pri->lock); - if (crv) { - /* Set bearer and such */ - pri_assign_bearer(crv, pri, pri->pvts[chanpos]); - c = dahdi_new(crv, AST_STATE_RESERVED, 0, SUB_REAL, law, e->ring.ctype); - pri->pvts[chanpos]->owner = &inuse; - ast_log(LOG_DEBUG, "Started up crv %d:%d on bearer channel %d\n", pri->trunkgroup, crv->channel, crv->bearer->channel); - } else { - c = dahdi_new(pri->pvts[chanpos], AST_STATE_RESERVED, 0, SUB_REAL, law, e->ring.ctype); - } - - ast_mutex_unlock(&pri->pvts[chanpos]->lock); - - if (!ast_strlen_zero(e->ring.callingsubaddr)) { - pbx_builtin_setvar_helper(c, "CALLINGSUBADDR", e->ring.callingsubaddr); - } - if (e->ring.ani2 >= 0) { - snprintf(ani2str, 5, "%.2d", e->ring.ani2); - pbx_builtin_setvar_helper(c, "ANI2", ani2str); - } - -#ifdef SUPPORT_USERUSER - if (!ast_strlen_zero(e->ring.useruserinfo)) { - pbx_builtin_setvar_helper(c, "USERUSERINFO", e->ring.useruserinfo); - } -#endif - - snprintf(calledtonstr, sizeof(calledtonstr)-1, "%d", e->ring.calledplan); - pbx_builtin_setvar_helper(c, "CALLEDTON", calledtonstr); - if (e->ring.redirectingreason >= 0) - pbx_builtin_setvar_helper(c, "PRIREDIRECTREASON", redirectingreason2str(e->ring.redirectingreason)); - - ast_mutex_lock(&pri->pvts[chanpos]->lock); - ast_mutex_lock(&pri->lock); - - pthread_attr_init(&attr); - pthread_attr_setdetachstate(&attr, PTHREAD_CREATE_DETACHED); - if (c && !ast_pthread_create(&threadid, &attr, ss_thread, c)) { - if (option_verbose > 2) - ast_verbose(VERBOSE_PREFIX_3 "Accepting overlap call from '%s' to '%s' on channel %d/%d, span %d\n", - plancallingnum, S_OR(pri->pvts[chanpos]->exten, "<unspecified>"), - pri->pvts[chanpos]->logicalspan, pri->pvts[chanpos]->prioffset, pri->span); - } else { - ast_log(LOG_WARNING, "Unable to start PBX on channel %d/%d, span %d\n", - pri->pvts[chanpos]->logicalspan, pri->pvts[chanpos]->prioffset, pri->span); - if (c) - ast_hangup(c); - else { - pri_hangup(pri->pri, e->ring.call, PRI_CAUSE_SWITCH_CONGESTION); - pri->pvts[chanpos]->call = NULL; - } - } - pthread_attr_destroy(&attr); - } else { - ast_mutex_unlock(&pri->lock); - /* Release PRI lock while we create the channel */ - c = dahdi_new(pri->pvts[chanpos], AST_STATE_RING, 1, SUB_REAL, law, e->ring.ctype); - if (c) { - char calledtonstr[10]; - - ast_mutex_unlock(&pri->pvts[chanpos]->lock); - - if (e->ring.ani2 >= 0) { - snprintf(ani2str, 5, "%d", e->ring.ani2); - pbx_builtin_setvar_helper(c, "ANI2", ani2str); - } - -#ifdef SUPPORT_USERUSER - if (!ast_strlen_zero(e->ring.useruserinfo)) { - pbx_builtin_setvar_helper(c, "USERUSERINFO", e->ring.useruserinfo); - } -#endif - - if (e->ring.redirectingreason >= 0) - pbx_builtin_setvar_helper(c, "PRIREDIRECTREASON", redirectingreason2str(e->ring.redirectingreason)); - - snprintf(calledtonstr, sizeof(calledtonstr)-1, "%d", e->ring.calledplan); - pbx_builtin_setvar_helper(c, "CALLEDTON", calledtonstr); - - ast_mutex_lock(&pri->pvts[chanpos]->lock); - ast_mutex_lock(&pri->lock); - - if (option_verbose > 2) - ast_verbose(VERBOSE_PREFIX_3 "Accepting call from '%s' to '%s' on channel %d/%d, span %d\n", - plancallingnum, pri->pvts[chanpos]->exten, - pri->pvts[chanpos]->logicalspan, pri->pvts[chanpos]->prioffset, pri->span); - dahdi_enable_ec(pri->pvts[chanpos]); - } else { - - ast_mutex_lock(&pri->lock); - - ast_log(LOG_WARNING, "Unable to start PBX on channel %d/%d, span %d\n", - pri->pvts[chanpos]->logicalspan, pri->pvts[chanpos]->prioffset, pri->span); - pri_hangup(pri->pri, e->ring.call, PRI_CAUSE_SWITCH_CONGESTION); - pri->pvts[chanpos]->call = NULL; - } - } - } else { - if (option_verbose > 2) - ast_verbose(VERBOSE_PREFIX_3 "Extension '%s' in context '%s' from '%s' does not exist. Rejecting call on channel %d/%d, span %d\n", - pri->pvts[chanpos]->exten, pri->pvts[chanpos]->context, pri->pvts[chanpos]->cid_num, pri->pvts[chanpos]->logicalspan, - pri->pvts[chanpos]->prioffset, pri->span); - pri_hangup(pri->pri, e->ring.call, PRI_CAUSE_UNALLOCATED); - pri->pvts[chanpos]->call = NULL; - pri->pvts[chanpos]->exten[0] = '\0'; - } - if (crv) - ast_mutex_unlock(&crv->lock); - ast_mutex_unlock(&pri->pvts[chanpos]->lock); - } else { - if (e->ring.flexible) - pri_hangup(pri->pri, e->ring.call, PRI_CAUSE_NORMAL_CIRCUIT_CONGESTION); - else - pri_hangup(pri->pri, e->ring.call, PRI_CAUSE_REQUESTED_CHAN_UNAVAIL); - } - break; - case PRI_EVENT_RINGING: - chanpos = pri_find_principle(pri, e->ringing.channel); - if (chanpos < 0) { - ast_log(LOG_WARNING, "Ringing requested on unconfigured channel %d/%d span %d\n", - PRI_SPAN(e->ringing.channel), PRI_CHANNEL(e->ringing.channel), pri->span); - } else { - chanpos = pri_fixup_principle(pri, chanpos, e->ringing.call); - if (chanpos < 0) { - ast_log(LOG_WARNING, "Ringing requested on channel %d/%d not in use on span %d\n", - PRI_SPAN(e->ringing.channel), PRI_CHANNEL(e->ringing.channel), pri->span); - } else { - ast_mutex_lock(&pri->pvts[chanpos]->lock); - if (ast_strlen_zero(pri->pvts[chanpos]->dop.dialstr)) { - dahdi_enable_ec(pri->pvts[chanpos]); - pri->pvts[chanpos]->subs[SUB_REAL].needringing = 1; - pri->pvts[chanpos]->alerting = 1; - } else - ast_log(LOG_DEBUG, "Deferring ringing notification because of extra digits to dial...\n"); -#ifdef PRI_PROGRESS_MASK - if (e->ringing.progressmask & PRI_PROG_INBAND_AVAILABLE) { -#else - if (e->ringing.progress == 8) { -#endif - /* Now we can do call progress detection */ - if (pri->pvts[chanpos]->dsp && pri->pvts[chanpos]->dsp_features) { - /* RINGING detection isn't required because we got ALERTING signal */ - ast_dsp_set_features(pri->pvts[chanpos]->dsp, pri->pvts[chanpos]->dsp_features & ~DSP_PROGRESS_RINGING); - pri->pvts[chanpos]->dsp_features = 0; - } - } - -#ifdef SUPPORT_USERUSER - if (!ast_strlen_zero(e->ringing.useruserinfo)) { - struct ast_channel *owner = pri->pvts[chanpos]->owner; - ast_mutex_unlock(&pri->pvts[chanpos]->lock); - pbx_builtin_setvar_helper(owner, "USERUSERINFO", e->ringing.useruserinfo); - ast_mutex_lock(&pri->pvts[chanpos]->lock); - } -#endif - - ast_mutex_unlock(&pri->pvts[chanpos]->lock); - } - } - break; - case PRI_EVENT_PROGRESS: - /* Get chan value if e->e is not PRI_EVNT_RINGING */ - chanpos = pri_find_principle(pri, e->proceeding.channel); - if (chanpos > -1) { -#ifdef PRI_PROGRESS_MASK - if ((!pri->pvts[chanpos]->progress) || (e->proceeding.progressmask & PRI_PROG_INBAND_AVAILABLE)) { -#else - if ((!pri->pvts[chanpos]->progress) || (e->proceeding.progress == 8)) { -#endif - struct ast_frame f = { AST_FRAME_CONTROL, AST_CONTROL_PROGRESS, }; - - if (e->proceeding.cause > -1) { - if (option_verbose > 2) - ast_verbose(VERBOSE_PREFIX_3 "PROGRESS with cause code %d received\n", e->proceeding.cause); - - /* Work around broken, out of spec USER_BUSY cause in a progress message */ - if (e->proceeding.cause == AST_CAUSE_USER_BUSY) { - if (pri->pvts[chanpos]->owner) { - if (option_verbose > 2) - ast_verbose(VERBOSE_PREFIX_3 "PROGRESS with 'user busy' received, signaling AST_CONTROL_BUSY instead of AST_CONTROL_PROGRESS\n"); - - pri->pvts[chanpos]->owner->hangupcause = e->proceeding.cause; - f.subclass = AST_CONTROL_BUSY; - } - } - } - - ast_mutex_lock(&pri->pvts[chanpos]->lock); - ast_log(LOG_DEBUG, "Queuing frame from PRI_EVENT_PROGRESS on channel %d/%d span %d\n", - pri->pvts[chanpos]->logicalspan, pri->pvts[chanpos]->prioffset,pri->span); - dahdi_queue_frame(pri->pvts[chanpos], &f, pri); -#ifdef PRI_PROGRESS_MASK - if (e->proceeding.progressmask & PRI_PROG_INBAND_AVAILABLE) { -#else - if (e->proceeding.progress == 8) { -#endif - /* Now we can do call progress detection */ - if (pri->pvts[chanpos]->dsp && pri->pvts[chanpos]->dsp_features) { - ast_dsp_set_features(pri->pvts[chanpos]->dsp, pri->pvts[chanpos]->dsp_features); - pri->pvts[chanpos]->dsp_features = 0; - } - } - pri->pvts[chanpos]->progress = 1; - ast_mutex_unlock(&pri->pvts[chanpos]->lock); - } - } - break; - case PRI_EVENT_PROCEEDING: - chanpos = pri_find_principle(pri, e->proceeding.channel); - if (chanpos > -1) { - if (!pri->pvts[chanpos]->proceeding) { - struct ast_frame f = { AST_FRAME_CONTROL, AST_CONTROL_PROCEEDING, }; - - ast_mutex_lock(&pri->pvts[chanpos]->lock); - ast_log(LOG_DEBUG, "Queuing frame from PRI_EVENT_PROCEEDING on channel %d/%d span %d\n", - pri->pvts[chanpos]->logicalspan, pri->pvts[chanpos]->prioffset,pri->span); - dahdi_queue_frame(pri->pvts[chanpos], &f, pri); -#ifdef PRI_PROGRESS_MASK - if (e->proceeding.progressmask & PRI_PROG_INBAND_AVAILABLE) { -#else - if (e->proceeding.progress == 8) { -#endif - /* Now we can do call progress detection */ - if (pri->pvts[chanpos]->dsp && pri->pvts[chanpos]->dsp_features) { - ast_dsp_set_features(pri->pvts[chanpos]->dsp, pri->pvts[chanpos]->dsp_features); - pri->pvts[chanpos]->dsp_features = 0; - } - /* Bring voice path up */ - f.subclass = AST_CONTROL_PROGRESS; - dahdi_queue_frame(pri->pvts[chanpos], &f, pri); - } - pri->pvts[chanpos]->proceeding = 1; - ast_mutex_unlock(&pri->pvts[chanpos]->lock); - } - } - break; - case PRI_EVENT_FACNAME: - chanpos = pri_find_principle(pri, e->facname.channel); - if (chanpos < 0) { - ast_log(LOG_WARNING, "Facility Name requested on unconfigured channel %d/%d span %d\n", - PRI_SPAN(e->facname.channel), PRI_CHANNEL(e->facname.channel), pri->span); - } else { - chanpos = pri_fixup_principle(pri, chanpos, e->facname.call); - if (chanpos < 0) { - ast_log(LOG_WARNING, "Facility Name requested on channel %d/%d not in use on span %d\n", - PRI_SPAN(e->facname.channel), PRI_CHANNEL(e->facname.channel), pri->span); - } else { - /* Re-use *69 field for PRI */ - ast_mutex_lock(&pri->pvts[chanpos]->lock); - ast_copy_string(pri->pvts[chanpos]->lastcid_num, e->facname.callingnum, sizeof(pri->pvts[chanpos]->lastcid_num)); - ast_copy_string(pri->pvts[chanpos]->lastcid_name, e->facname.callingname, sizeof(pri->pvts[chanpos]->lastcid_name)); - pri->pvts[chanpos]->subs[SUB_REAL].needcallerid =1; - dahdi_enable_ec(pri->pvts[chanpos]); - ast_mutex_unlock(&pri->pvts[chanpos]->lock); - } - } - break; - case PRI_EVENT_ANSWER: - chanpos = pri_find_principle(pri, e->answer.channel); - if (chanpos < 0) { - ast_log(LOG_WARNING, "Answer on unconfigured channel %d/%d span %d\n", - PRI_SPAN(e->answer.channel), PRI_CHANNEL(e->answer.channel), pri->span); - } else { - chanpos = pri_fixup_principle(pri, chanpos, e->answer.call); - if (chanpos < 0) { - ast_log(LOG_WARNING, "Answer requested on channel %d/%d not in use on span %d\n", - PRI_SPAN(e->answer.channel), PRI_CHANNEL(e->answer.channel), pri->span); - } else { - ast_mutex_lock(&pri->pvts[chanpos]->lock); - /* Now we can do call progress detection */ - - /* We changed this so it turns on the DSP no matter what... progress or no progress. - * By this time, we need DTMF detection and other features that were previously disabled - * -- Matt F */ - if (pri->pvts[chanpos]->dsp && pri->pvts[chanpos]->dsp_features) { - ast_dsp_set_features(pri->pvts[chanpos]->dsp, pri->pvts[chanpos]->dsp_features); - pri->pvts[chanpos]->dsp_features = 0; - } - if (pri->pvts[chanpos]->realcall && (pri->pvts[chanpos]->realcall->sig == SIG_FXSKS)) { - ast_log(LOG_DEBUG, "Starting up GR-303 trunk now that we got CONNECT...\n"); - x = DAHDI_START; - res = ioctl(pri->pvts[chanpos]->subs[SUB_REAL].dfd, DAHDI_HOOK, &x); - if (res < 0) { - if (errno != EINPROGRESS) { - ast_log(LOG_WARNING, "Unable to start channel: %s\n", strerror(errno)); - } - } - } else if (!ast_strlen_zero(pri->pvts[chanpos]->dop.dialstr)) { - pri->pvts[chanpos]->dialing = 1; - /* Send any "w" waited stuff */ - res = ioctl(pri->pvts[chanpos]->subs[SUB_REAL].dfd, DAHDI_DIAL, &pri->pvts[chanpos]->dop); - if (res < 0) { - ast_log(LOG_WARNING, "Unable to initiate dialing on trunk channel %d: %s\n", pri->pvts[chanpos]->channel, strerror(errno)); - pri->pvts[chanpos]->dop.dialstr[0] = '\0'; - } else - ast_log(LOG_DEBUG, "Sent deferred digit string: %s\n", pri->pvts[chanpos]->dop.dialstr); - pri->pvts[chanpos]->dop.dialstr[0] = '\0'; - } else if (pri->pvts[chanpos]->confirmanswer) { - ast_log(LOG_DEBUG, "Waiting on answer confirmation on channel %d!\n", pri->pvts[chanpos]->channel); - } else { - pri->pvts[chanpos]->subs[SUB_REAL].needanswer =1; - /* Enable echo cancellation if it's not on already */ - dahdi_enable_ec(pri->pvts[chanpos]); - } - -#ifdef SUPPORT_USERUSER - if (!ast_strlen_zero(e->answer.useruserinfo)) { - struct ast_channel *owner = pri->pvts[chanpos]->owner; - ast_mutex_unlock(&pri->pvts[chanpos]->lock); - pbx_builtin_setvar_helper(owner, "USERUSERINFO", e->answer.useruserinfo); - ast_mutex_lock(&pri->pvts[chanpos]->lock); - } -#endif - - ast_mutex_unlock(&pri->pvts[chanpos]->lock); - } - } - break; - case PRI_EVENT_HANGUP: - chanpos = pri_find_principle(pri, e->hangup.channel); - if (chanpos < 0) { - ast_log(LOG_WARNING, "Hangup requested on unconfigured channel %d/%d span %d\n", - PRI_SPAN(e->hangup.channel), PRI_CHANNEL(e->hangup.channel), pri->span); - } else { - chanpos = pri_fixup_principle(pri, chanpos, e->hangup.call); - if (chanpos > -1) { - ast_mutex_lock(&pri->pvts[chanpos]->lock); - if (!pri->pvts[chanpos]->alreadyhungup) { - /* we're calling here dahdi_hangup so once we get there we need to clear p->call after calling pri_hangup */ - pri->pvts[chanpos]->alreadyhungup = 1; - if (pri->pvts[chanpos]->realcall) - pri_hangup_all(pri->pvts[chanpos]->realcall, pri); - else if (pri->pvts[chanpos]->owner) { - /* Queue a BUSY instead of a hangup if our cause is appropriate */ - pri->pvts[chanpos]->owner->hangupcause = e->hangup.cause; - if (pri->pvts[chanpos]->owner->_state == AST_STATE_UP) - pri->pvts[chanpos]->owner->_softhangup |= AST_SOFTHANGUP_DEV; - else { - switch (e->hangup.cause) { - case PRI_CAUSE_USER_BUSY: - pri->pvts[chanpos]->subs[SUB_REAL].needbusy =1; - break; - case PRI_CAUSE_CALL_REJECTED: - case PRI_CAUSE_NETWORK_OUT_OF_ORDER: - case PRI_CAUSE_NORMAL_CIRCUIT_CONGESTION: - case PRI_CAUSE_SWITCH_CONGESTION: - case PRI_CAUSE_DESTINATION_OUT_OF_ORDER: - case PRI_CAUSE_NORMAL_TEMPORARY_FAILURE: - pri->pvts[chanpos]->subs[SUB_REAL].needcongestion =1; - break; - default: - pri->pvts[chanpos]->owner->_softhangup |= AST_SOFTHANGUP_DEV; - } - } - } - if (option_verbose > 2) - ast_verbose(VERBOSE_PREFIX_3 "Channel %d/%d, span %d got hangup, cause %d\n", - pri->pvts[chanpos]->logicalspan, pri->pvts[chanpos]->prioffset, pri->span, e->hangup.cause); - } else { - pri_hangup(pri->pri, pri->pvts[chanpos]->call, e->hangup.cause); - pri->pvts[chanpos]->call = NULL; - } - if (e->hangup.cause == PRI_CAUSE_REQUESTED_CHAN_UNAVAIL) { - if (option_verbose > 2) - ast_verbose(VERBOSE_PREFIX_3 "Forcing restart of channel %d/%d on span %d since channel reported in use\n", - PRI_SPAN(e->hangup.channel), PRI_CHANNEL(e->hangup.channel), pri->span); - pri_reset(pri->pri, PVT_TO_CHANNEL(pri->pvts[chanpos])); - pri->pvts[chanpos]->resetting = 1; - } - if (e->hangup.aoc_units > -1) - if (option_verbose > 2) - ast_verbose(VERBOSE_PREFIX_3 "Channel %d/%d, span %d received AOC-E charging %d unit%s\n", - pri->pvts[chanpos]->logicalspan, pri->pvts[chanpos]->prioffset, pri->span, (int)e->hangup.aoc_units, (e->hangup.aoc_units == 1) ? "" : "s"); - -#ifdef SUPPORT_USERUSER - if (pri->pvts[chanpos]->owner && !ast_strlen_zero(e->hangup.useruserinfo)) { - struct ast_channel *owner = pri->pvts[chanpos]->owner; - ast_mutex_unlock(&pri->pvts[chanpos]->lock); - pbx_builtin_setvar_helper(owner, "USERUSERINFO", e->hangup.useruserinfo); - ast_mutex_lock(&pri->pvts[chanpos]->lock); - } -#endif - - ast_mutex_unlock(&pri->pvts[chanpos]->lock); - } else { - ast_log(LOG_WARNING, "Hangup on bad channel %d/%d on span %d\n", - PRI_SPAN(e->hangup.channel), PRI_CHANNEL(e->hangup.channel), pri->span); - } - } - break; -#ifndef PRI_EVENT_HANGUP_REQ -#error please update libpri -#endif - case PRI_EVENT_HANGUP_REQ: - chanpos = pri_find_principle(pri, e->hangup.channel); - if (chanpos < 0) { - ast_log(LOG_WARNING, "Hangup REQ requested on unconfigured channel %d/%d span %d\n", - PRI_SPAN(e->hangup.channel), PRI_CHANNEL(e->hangup.channel), pri->span); - } else { - chanpos = pri_fixup_principle(pri, chanpos, e->hangup.call); - if (chanpos > -1) { - ast_mutex_lock(&pri->pvts[chanpos]->lock); - if (pri->pvts[chanpos]->realcall) - pri_hangup_all(pri->pvts[chanpos]->realcall, pri); - else if (pri->pvts[chanpos]->owner) { - pri->pvts[chanpos]->owner->hangupcause = e->hangup.cause; - if (pri->pvts[chanpos]->owner->_state == AST_STATE_UP) - pri->pvts[chanpos]->owner->_softhangup |= AST_SOFTHANGUP_DEV; - else { - switch (e->hangup.cause) { - case PRI_CAUSE_USER_BUSY: - pri->pvts[chanpos]->subs[SUB_REAL].needbusy =1; - break; - case PRI_CAUSE_CALL_REJECTED: - case PRI_CAUSE_NETWORK_OUT_OF_ORDER: - case PRI_CAUSE_NORMAL_CIRCUIT_CONGESTION: - case PRI_CAUSE_SWITCH_CONGESTION: - case PRI_CAUSE_DESTINATION_OUT_OF_ORDER: - case PRI_CAUSE_NORMAL_TEMPORARY_FAILURE: - pri->pvts[chanpos]->subs[SUB_REAL].needcongestion =1; - break; - default: - pri->pvts[chanpos]->owner->_softhangup |= AST_SOFTHANGUP_DEV; - } - } - if (option_verbose > 2) - ast_verbose(VERBOSE_PREFIX_3 "Channel %d/%d, span %d got hangup request, cause %d\n", PRI_SPAN(e->hangup.channel), PRI_CHANNEL(e->hangup.channel), pri->span, e->hangup.cause); - if (e->hangup.aoc_units > -1) - if (option_verbose > 2) - ast_verbose(VERBOSE_PREFIX_3 "Channel %d/%d, span %d received AOC-E charging %d unit%s\n", - pri->pvts[chanpos]->logicalspan, pri->pvts[chanpos]->prioffset, pri->span, (int)e->hangup.aoc_units, (e->hangup.aoc_units == 1) ? "" : "s"); - } else { - pri_hangup(pri->pri, pri->pvts[chanpos]->call, e->hangup.cause); - pri->pvts[chanpos]->call = NULL; - } - if (e->hangup.cause == PRI_CAUSE_REQUESTED_CHAN_UNAVAIL) { - if (option_verbose > 2) - ast_verbose(VERBOSE_PREFIX_3 "Forcing restart of channel %d/%d span %d since channel reported in use\n", - PRI_SPAN(e->hangup.channel), PRI_CHANNEL(e->hangup.channel), pri->span); - pri_reset(pri->pri, PVT_TO_CHANNEL(pri->pvts[chanpos])); - pri->pvts[chanpos]->resetting = 1; - } - -#ifdef SUPPORT_USERUSER - if (!ast_strlen_zero(e->hangup.useruserinfo)) { - struct ast_channel *owner = pri->pvts[chanpos]->owner; - ast_mutex_unlock(&pri->pvts[chanpos]->lock); - pbx_builtin_setvar_helper(owner, "USERUSERINFO", e->hangup.useruserinfo); - ast_mutex_lock(&pri->pvts[chanpos]->lock); - } -#endif - - ast_mutex_unlock(&pri->pvts[chanpos]->lock); - } else { - ast_log(LOG_WARNING, "Hangup REQ on bad channel %d/%d on span %d\n", PRI_SPAN(e->hangup.channel), PRI_CHANNEL(e->hangup.channel), pri->span); - } - } - break; - case PRI_EVENT_HANGUP_ACK: - chanpos = pri_find_principle(pri, e->hangup.channel); - if (chanpos < 0) { - ast_log(LOG_WARNING, "Hangup ACK requested on unconfigured channel number %d/%d span %d\n", - PRI_SPAN(e->hangup.channel), PRI_CHANNEL(e->hangup.channel), pri->span); - } else { - chanpos = pri_fixup_principle(pri, chanpos, e->hangup.call); - if (chanpos > -1) { - ast_mutex_lock(&pri->pvts[chanpos]->lock); - pri->pvts[chanpos]->call = NULL; - pri->pvts[chanpos]->resetting = 0; - if (pri->pvts[chanpos]->owner) { - if (option_verbose > 2) - ast_verbose(VERBOSE_PREFIX_3 "Channel %d/%d, span %d got hangup ACK\n", PRI_SPAN(e->hangup.channel), PRI_CHANNEL(e->hangup.channel), pri->span); - } - -#ifdef SUPPORT_USERUSER - if (!ast_strlen_zero(e->hangup.useruserinfo)) { - struct ast_channel *owner = pri->pvts[chanpos]->owner; - ast_mutex_unlock(&pri->pvts[chanpos]->lock); - pbx_builtin_setvar_helper(owner, "USERUSERINFO", e->hangup.useruserinfo); - ast_mutex_lock(&pri->pvts[chanpos]->lock); - } -#endif - - ast_mutex_unlock(&pri->pvts[chanpos]->lock); - } - } - break; - case PRI_EVENT_CONFIG_ERR: - ast_log(LOG_WARNING, "PRI Error on span %d: %s\n", pri->trunkgroup, e->err.err); - break; - case PRI_EVENT_RESTART_ACK: - chanpos = pri_find_principle(pri, e->restartack.channel); - if (chanpos < 0) { - /* Sometime switches (e.g. I421 / British Telecom) don't give us the - channel number, so we have to figure it out... This must be why - everybody resets exactly a channel at a time. */ - for (x = 0; x < pri->numchans; x++) { - if (pri->pvts[x] && pri->pvts[x]->resetting) { - chanpos = x; - ast_mutex_lock(&pri->pvts[chanpos]->lock); - ast_log(LOG_DEBUG, "Assuming restart ack is really for channel %d/%d span %d\n", pri->pvts[chanpos]->logicalspan, - pri->pvts[chanpos]->prioffset, pri->span); - if (pri->pvts[chanpos]->realcall) - pri_hangup_all(pri->pvts[chanpos]->realcall, pri); - else if (pri->pvts[chanpos]->owner) { - ast_log(LOG_WARNING, "Got restart ack on channel %d/%d with owner on span %d\n", pri->pvts[chanpos]->logicalspan, - pri->pvts[chanpos]->prioffset, pri->span); - pri->pvts[chanpos]->owner->_softhangup |= AST_SOFTHANGUP_DEV; - } - pri->pvts[chanpos]->resetting = 0; - if (option_verbose > 2) - ast_verbose(VERBOSE_PREFIX_3 "B-channel %d/%d successfully restarted on span %d\n", pri->pvts[chanpos]->logicalspan, - pri->pvts[chanpos]->prioffset, pri->span); - ast_mutex_unlock(&pri->pvts[chanpos]->lock); - if (pri->resetting) - pri_check_restart(pri); - break; - } - } - if (chanpos < 0) { - ast_log(LOG_WARNING, "Restart ACK requested on strange channel %d/%d span %d\n", - PRI_SPAN(e->restartack.channel), PRI_CHANNEL(e->restartack.channel), pri->span); - } - } else { - if (pri->pvts[chanpos]) { - ast_mutex_lock(&pri->pvts[chanpos]->lock); - if (pri->pvts[chanpos]->realcall) - pri_hangup_all(pri->pvts[chanpos]->realcall, pri); - else if (pri->pvts[chanpos]->owner) { - ast_log(LOG_WARNING, "Got restart ack on channel %d/%d span %d with owner\n", - PRI_SPAN(e->restartack.channel), PRI_CHANNEL(e->restartack.channel), pri->span); - pri->pvts[chanpos]->owner->_softhangup |= AST_SOFTHANGUP_DEV; - } - pri->pvts[chanpos]->resetting = 0; - if (option_verbose > 2) - ast_verbose(VERBOSE_PREFIX_3 "B-channel %d/%d successfully restarted on span %d\n", pri->pvts[chanpos]->logicalspan, - pri->pvts[chanpos]->prioffset, pri->span); - ast_mutex_unlock(&pri->pvts[chanpos]->lock); - if (pri->resetting) - pri_check_restart(pri); - } - } - break; - case PRI_EVENT_SETUP_ACK: - chanpos = pri_find_principle(pri, e->setup_ack.channel); - if (chanpos < 0) { - ast_log(LOG_WARNING, "Received SETUP_ACKNOWLEDGE on unconfigured channel %d/%d span %d\n", - PRI_SPAN(e->setup_ack.channel), PRI_CHANNEL(e->setup_ack.channel), pri->span); - } else { - chanpos = pri_fixup_principle(pri, chanpos, e->setup_ack.call); - if (chanpos > -1) { - ast_mutex_lock(&pri->pvts[chanpos]->lock); - pri->pvts[chanpos]->setup_ack = 1; - /* Send any queued digits */ - for (x = 0;x < strlen(pri->pvts[chanpos]->dialdest); x++) { - ast_log(LOG_DEBUG, "Sending pending digit '%c'\n", pri->pvts[chanpos]->dialdest[x]); - pri_information(pri->pri, pri->pvts[chanpos]->call, - pri->pvts[chanpos]->dialdest[x]); - } - ast_mutex_unlock(&pri->pvts[chanpos]->lock); - } else - ast_log(LOG_WARNING, "Unable to move channel %d!\n", e->setup_ack.channel); - } - break; - case PRI_EVENT_NOTIFY: - chanpos = pri_find_principle(pri, e->notify.channel); - if (chanpos < 0) { - ast_log(LOG_WARNING, "Received NOTIFY on unconfigured channel %d/%d span %d\n", - PRI_SPAN(e->notify.channel), PRI_CHANNEL(e->notify.channel), pri->span); - } else { - struct ast_frame f = { AST_FRAME_CONTROL, }; - ast_mutex_lock(&pri->pvts[chanpos]->lock); - switch (e->notify.info) { - case PRI_NOTIFY_REMOTE_HOLD: - f.subclass = AST_CONTROL_HOLD; - dahdi_queue_frame(pri->pvts[chanpos], &f, pri); - break; - case PRI_NOTIFY_REMOTE_RETRIEVAL: - f.subclass = AST_CONTROL_UNHOLD; - dahdi_queue_frame(pri->pvts[chanpos], &f, pri); - break; - } - ast_mutex_unlock(&pri->pvts[chanpos]->lock); - } - break; - default: - ast_log(LOG_DEBUG, "Event: %d\n", e->e); - } - } - ast_mutex_unlock(&pri->lock); - } - /* Never reached */ - return NULL; -} - -static int start_pri(struct dahdi_pri *pri) -{ - int res, x; - struct dahdi_params p; - struct dahdi_bufferinfo bi; - struct dahdi_spaninfo si; - int i; - - for (i = 0; i < NUM_DCHANS; i++) { - if (!pri->dchannels[i]) - break; - pri->fds[i] = open(DAHDI_FILE_CHANNEL, O_RDWR, 0600); - x = pri->dchannels[i]; - if ((pri->fds[i] < 0) || (ioctl(pri->fds[i],DAHDI_SPECIFY,&x) == -1)) { - ast_log(LOG_ERROR, "Unable to open D-channel %d (%s)\n", x, strerror(errno)); - return -1; - } - res = ioctl(pri->fds[i], DAHDI_GET_PARAMS, &p); - if (res) { - dahdi_close_pri_fd(pri, i); - ast_log(LOG_ERROR, "Unable to get parameters for D-channel %d (%s)\n", x, strerror(errno)); - return -1; - } - if ((p.sigtype != DAHDI_SIG_HDLCFCS) && (p.sigtype != DAHDI_SIG_HARDHDLC)) { - dahdi_close_pri_fd(pri, i); - ast_log(LOG_ERROR, "D-channel %d is not in HDLC/FCS mode. See /etc/dahdi/system.conf\n", x); - return -1; - } - memset(&si, 0, sizeof(si)); - res = ioctl(pri->fds[i], DAHDI_SPANSTAT, &si); - if (res) { - dahdi_close_pri_fd(pri, i); - ast_log(LOG_ERROR, "Unable to get span state for D-channel %d (%s)\n", x, strerror(errno)); - } - if (!si.alarms) - pri->dchanavail[i] |= DCHAN_NOTINALARM; - else - pri->dchanavail[i] &= ~DCHAN_NOTINALARM; - bi.txbufpolicy = DAHDI_POLICY_IMMEDIATE; - bi.rxbufpolicy = DAHDI_POLICY_IMMEDIATE; - bi.numbufs = 32; - bi.bufsize = 1024; - if (ioctl(pri->fds[i], DAHDI_SET_BUFINFO, &bi)) { - ast_log(LOG_ERROR, "Unable to set appropriate buffering on channel %d: %s\n", x, strerror(errno)); - dahdi_close_pri_fd(pri, i); - return -1; - } - pri->dchans[i] = pri_new(pri->fds[i], pri->nodetype, pri->switchtype); - /* Force overlap dial if we're doing GR-303! */ - if (pri->switchtype == PRI_SWITCH_GR303_TMC) - pri->overlapdial = 1; - pri_set_overlapdial(pri->dchans[i],pri->overlapdial); -#ifdef HAVE_PRI_INBANDDISCONNECT - pri_set_inbanddisconnect(pri->dchans[i], pri->inbanddisconnect); -#endif - /* Enslave to master if appropriate */ - if (i) - pri_enslave(pri->dchans[0], pri->dchans[i]); - if (!pri->dchans[i]) { - dahdi_close_pri_fd(pri, i); - ast_log(LOG_ERROR, "Unable to create PRI structure\n"); - return -1; - } - pri_set_debug(pri->dchans[i], DEFAULT_PRI_DEBUG); - pri_set_nsf(pri->dchans[i], pri->nsf); -#ifdef PRI_GETSET_TIMERS - for (x = 0; x < PRI_MAX_TIMERS; x++) { - if (pritimers[x] != 0) - pri_set_timer(pri->dchans[i], x, pritimers[x]); - } -#endif - } - /* Assume primary is the one we use */ - pri->pri = pri->dchans[0]; - pri->resetpos = -1; - if (ast_pthread_create_background(&pri->master, NULL, pri_dchannel, pri)) { - for (i = 0; i < NUM_DCHANS; i++) { - if (!pri->dchannels[i]) - break; - dahdi_close_pri_fd(pri, i); - } - ast_log(LOG_ERROR, "Unable to spawn D-channel: %s\n", strerror(errno)); - return -1; - } - return 0; -} - -static char *complete_span_helper(const char *line, const char *word, int pos, int state, int rpos) -{ - int which, span; - char *ret = NULL; - - if (pos != rpos) - return ret; - - for (which = span = 0; span < NUM_SPANS; span++) { - if (pris[span].pri && ++which > state) { - if (asprintf(&ret, "%d", span + 1) < 0) { /* user indexes start from 1 */ - ast_log(LOG_WARNING, "asprintf() failed: %s\n", strerror(errno)); - } - break; - } - } - return ret; -} - -static char *complete_span_4(const char *line, const char *word, int pos, int state) -{ - return complete_span_helper(line,word,pos,state,3); -} - -static char *complete_span_5(const char *line, const char *word, int pos, int state) -{ - return complete_span_helper(line,word,pos,state,4); -} - -static int handle_pri_set_debug_file(int fd, int argc, char **argv) -{ - int myfd; - - if (!strncasecmp(argv[1], "set", 3)) { - if (argc < 5) - return RESULT_SHOWUSAGE; - - if (ast_strlen_zero(argv[4])) - return RESULT_SHOWUSAGE; - - myfd = open(argv[4], O_CREAT|O_WRONLY, 0600); - if (myfd < 0) { - ast_cli(fd, "Unable to open '%s' for writing\n", argv[4]); - return RESULT_SUCCESS; - } - - ast_mutex_lock(&pridebugfdlock); - - if (pridebugfd >= 0) - close(pridebugfd); - - pridebugfd = myfd; - ast_copy_string(pridebugfilename,argv[4],sizeof(pridebugfilename)); - - ast_mutex_unlock(&pridebugfdlock); - - ast_cli(fd, "PRI debug output will be sent to '%s'\n", argv[4]); - } else { - /* Assume it is unset */ - ast_mutex_lock(&pridebugfdlock); - close(pridebugfd); - pridebugfd = -1; - ast_cli(fd, "PRI debug output to file disabled\n"); - ast_mutex_unlock(&pridebugfdlock); - } - - return RESULT_SUCCESS; -} - -#ifdef HAVE_PRI_VERSION -static int handle_pri_version(int fd, int agc, char *argv[]) { - ast_cli(fd, "libpri version: %s\n", pri_get_version()); - return RESULT_SUCCESS; -} -#endif - -static int handle_pri_debug(int fd, int argc, char *argv[]) -{ - int span; - int x; - if (argc < 4) { - return RESULT_SHOWUSAGE; - } - span = atoi(argv[3]); - if ((span < 1) || (span > NUM_SPANS)) { - ast_cli(fd, "Invalid span %s. Should be a number %d to %d\n", argv[3], 1, NUM_SPANS); - return RESULT_SUCCESS; - } - if (!pris[span-1].pri) { - ast_cli(fd, "No PRI running on span %d\n", span); - return RESULT_SUCCESS; - } - for (x = 0; x < NUM_DCHANS; x++) { - if (pris[span-1].dchans[x]) - pri_set_debug(pris[span-1].dchans[x], PRI_DEBUG_APDU | - PRI_DEBUG_Q931_DUMP | PRI_DEBUG_Q931_STATE | - PRI_DEBUG_Q921_STATE); - } - ast_cli(fd, "Enabled debugging on span %d\n", span); - return RESULT_SUCCESS; -} - - - -static int handle_pri_no_debug(int fd, int argc, char *argv[]) -{ - int span; - int x; - if (argc < 5) - return RESULT_SHOWUSAGE; - span = atoi(argv[4]); - if ((span < 1) || (span > NUM_SPANS)) { - ast_cli(fd, "Invalid span %s. Should be a number %d to %d\n", argv[4], 1, NUM_SPANS); - return RESULT_SUCCESS; - } - if (!pris[span-1].pri) { - ast_cli(fd, "No PRI running on span %d\n", span); - return RESULT_SUCCESS; - } - for (x = 0; x < NUM_DCHANS; x++) { - if (pris[span-1].dchans[x]) - pri_set_debug(pris[span-1].dchans[x], 0); - } - ast_cli(fd, "Disabled debugging on span %d\n", span); - return RESULT_SUCCESS; -} - -static int handle_pri_really_debug(int fd, int argc, char *argv[]) -{ - int span; - int x; - if (argc < 5) - return RESULT_SHOWUSAGE; - span = atoi(argv[4]); - if ((span < 1) || (span > NUM_SPANS)) { - ast_cli(fd, "Invalid span %s. Should be a number %d to %d\n", argv[4], 1, NUM_SPANS); - return RESULT_SUCCESS; - } - if (!pris[span-1].pri) { - ast_cli(fd, "No PRI running on span %d\n", span); - return RESULT_SUCCESS; - } - for (x = 0; x < NUM_DCHANS; x++) { - if (pris[span-1].dchans[x]) - pri_set_debug(pris[span-1].dchans[x], PRI_DEBUG_APDU | - PRI_DEBUG_Q931_DUMP | PRI_DEBUG_Q931_STATE | - PRI_DEBUG_Q921_RAW | PRI_DEBUG_Q921_DUMP | PRI_DEBUG_Q921_STATE); - } - ast_cli(fd, "Enabled EXTENSIVE debugging on span %d\n", span); - return RESULT_SUCCESS; -} - -static void build_status(char *s, size_t len, int status, int active) -{ - if (!s || len < 1) { - return; - } - s[0] = '\0'; - if (status & DCHAN_PROVISIONED) - strncat(s, "Provisioned, ", len - strlen(s) - 1); - if (!(status & DCHAN_NOTINALARM)) - strncat(s, "In Alarm, ", len - strlen(s) - 1); - if (status & DCHAN_UP) - strncat(s, "Up", len - strlen(s) - 1); - else - strncat(s, "Down", len - strlen(s) - 1); - if (active) - strncat(s, ", Active", len - strlen(s) - 1); - else - strncat(s, ", Standby", len - strlen(s) - 1); - s[len - 1] = '\0'; -} - -static int handle_pri_show_spans(int fd, int argc, char *argv[]) -{ - int span; - int x; - char status[256]; - if (argc != 3) - return RESULT_SHOWUSAGE; - - for (span = 0; span < NUM_SPANS; span++) { - if (pris[span].pri) { - for (x = 0; x < NUM_DCHANS; x++) { - if (pris[span].dchannels[x]) { - build_status(status, sizeof(status), pris[span].dchanavail[x], pris[span].dchans[x] == pris[span].pri); - ast_cli(fd, "PRI span %d/%d: %s\n", span + 1, x, status); - } - } - } - } - return RESULT_SUCCESS; -} - -static int handle_pri_show_span(int fd, int argc, char *argv[]) -{ - int span; - int x; - char status[256]; - if (argc < 4) - return RESULT_SHOWUSAGE; - span = atoi(argv[3]); - if ((span < 1) || (span > NUM_SPANS)) { - ast_cli(fd, "Invalid span '%s'. Should be a number from %d to %d\n", argv[3], 1, NUM_SPANS); - return RESULT_SUCCESS; - } - if (!pris[span-1].pri) { - ast_cli(fd, "No PRI running on span %d\n", span); - return RESULT_SUCCESS; - } - for (x = 0; x < NUM_DCHANS; x++) { - if (pris[span-1].dchannels[x]) { -#ifdef PRI_DUMP_INFO_STR - char *info_str = NULL; -#endif - ast_cli(fd, "%s D-channel: %d\n", pri_order(x), pris[span-1].dchannels[x]); - build_status(status, sizeof(status), pris[span-1].dchanavail[x], pris[span-1].dchans[x] == pris[span-1].pri); - ast_cli(fd, "Status: %s\n", status); -#ifdef PRI_DUMP_INFO_STR - info_str = pri_dump_info_str(pris[span-1].pri); - if (info_str) { - ast_cli(fd, "%s", info_str); - free(info_str); - } -#else - pri_dump_info(pris[span-1].pri); -#endif - ast_cli(fd, "\n"); - } - } - return RESULT_SUCCESS; -} - -static int handle_pri_show_debug(int fd, int argc, char *argv[]) -{ - int x; - int span; - int count=0; - int debug=0; - - for (span = 0; span < NUM_SPANS; span++) { - if (pris[span].pri) { - for (x = 0; x < NUM_DCHANS; x++) { - debug = 0; - if (pris[span].dchans[x]) { - debug = pri_get_debug(pris[span].dchans[x]); - ast_cli(fd, "Span %d: Debug: %s\tIntense: %s\n", span+1, (debug&PRI_DEBUG_Q931_STATE)? "Yes" : "No" ,(debug&PRI_DEBUG_Q921_RAW)? "Yes" : "No" ); - count++; - } - } - } - - } - ast_mutex_lock(&pridebugfdlock); - if (pridebugfd >= 0) - ast_cli(fd, "Logging PRI debug to file %s\n", pridebugfilename); - ast_mutex_unlock(&pridebugfdlock); - - if (!count) - ast_cli(fd, "No debug set or no PRI running\n"); - return RESULT_SUCCESS; -} - -static const char pri_debug_help[] = - "Usage: pri debug span <span>\n" - " Enables debugging on a given PRI span\n"; - -static const char pri_no_debug_help[] = - "Usage: pri no debug span <span>\n" - " Disables debugging on a given PRI span\n"; - -static const char pri_really_debug_help[] = - "Usage: pri intensive debug span <span>\n" - " Enables debugging down to the Q.921 level\n"; - -static const char pri_show_span_help[] = - "Usage: pri show span <span>\n" - " Displays PRI Information on a given PRI span\n"; - -static const char pri_show_spans_help[] = - "Usage: pri show spans\n" - " Displays PRI Information\n"; - -static struct ast_cli_entry dahdi_pri_cli[] = { - { { "pri", "debug", "span", NULL }, - handle_pri_debug, "Enables PRI debugging on a span", - pri_debug_help, complete_span_4 }, - - { { "pri", "no", "debug", "span", NULL }, - handle_pri_no_debug, "Disables PRI debugging on a span", - pri_no_debug_help, complete_span_5 }, - - { { "pri", "intense", "debug", "span", NULL }, - handle_pri_really_debug, "Enables REALLY INTENSE PRI debugging", - pri_really_debug_help, complete_span_5 }, - - { { "pri", "show", "spans", NULL }, - handle_pri_show_spans, "Displays PRI Information", - pri_show_spans_help }, - - { { "pri", "show", "span", NULL }, - handle_pri_show_span, "Displays PRI Information", - pri_show_span_help, complete_span_4 }, - - { { "pri", "show", "debug", NULL }, - handle_pri_show_debug, "Displays current PRI debug settings" }, - - { { "pri", "set", "debug", "file", NULL }, - handle_pri_set_debug_file, "Sends PRI debug output to the specified file" }, - - { { "pri", "unset", "debug", "file", NULL }, - handle_pri_set_debug_file, "Ends PRI debug output to file" }, - -#ifdef HAVE_PRI_VERSION - { { "pri", "show", "version", NULL }, - handle_pri_version, "Displays version of libpri" }, -#endif -}; - -#endif /* HAVE_PRI */ - -static int dahdi_destroy_channel(int fd, int argc, char **argv) -{ - int channel; - - if (argc != 4) - return RESULT_SHOWUSAGE; - - channel = atoi(argv[3]); - - return dahdi_destroy_channel_bynum(channel); -} - -static void dahdi_softhangup_all(void) -{ - struct dahdi_pvt *p; -retry: - ast_mutex_lock(&iflock); - for (p = iflist; p; p = p->next) { - ast_mutex_lock(&p->lock); - if (p->owner && !p->restartpending) { - if (ast_channel_trylock(p->owner)) { - if (option_debug > 2) - ast_verbose("Avoiding deadlock\n"); - /* Avoid deadlock since you're not supposed to lock iflock or pvt before a channel */ - ast_mutex_unlock(&p->lock); - ast_mutex_unlock(&iflock); - goto retry; - } - if (option_debug > 2) - ast_verbose("Softhanging up on %s\n", p->owner->name); - ast_softhangup_nolock(p->owner, AST_SOFTHANGUP_EXPLICIT); - p->restartpending = 1; - num_restart_pending++; - ast_channel_unlock(p->owner); - } - ast_mutex_unlock(&p->lock); - } - ast_mutex_unlock(&iflock); -} - -static int setup_dahdi(int reload); -static int dahdi_restart(void) -{ -#if defined(HAVE_PRI) - int i, j; -#endif - int cancel_code; - struct dahdi_pvt *p; - - ast_mutex_lock(&restart_lock); - - if (option_verbose) - ast_verbose("Destroying channels and reloading DAHDI configuration.\n"); - dahdi_softhangup_all(); - if (option_verbose > 3) - ast_verbose("Initial softhangup of all DAHDI channels complete.\n"); - - #if defined(HAVE_PRI) - for (i = 0; i < NUM_SPANS; i++) { - if (pris[i].master && (pris[i].master != AST_PTHREADT_NULL)) { - cancel_code = pthread_cancel(pris[i].master); - pthread_kill(pris[i].master, SIGURG); - if (option_debug > 3) - ast_verbose("Waiting to join thread of span %d with pid=%p, cancel_code=%d\n", i, (void *) pris[i].master, cancel_code); - pthread_join(pris[i].master, NULL); - if (option_debug > 3) - ast_verbose("Joined thread of span %d\n", i); - } - } - #endif - - ast_mutex_lock(&monlock); - if (monitor_thread && (monitor_thread != AST_PTHREADT_STOP) && (monitor_thread != AST_PTHREADT_NULL)) { - cancel_code = pthread_cancel(monitor_thread); - pthread_kill(monitor_thread, SIGURG); - if (option_debug > 3) - ast_verbose("Waiting to join monitor thread with pid=%p, cancel_code=%d\n", (void *) monitor_thread, cancel_code); - pthread_join(monitor_thread, NULL); - if (option_debug > 3) - ast_verbose("Joined monitor thread\n"); - } - monitor_thread = AST_PTHREADT_NULL; /* prepare to restart thread in setup_dahdi once channels are reconfigured */ - - ast_mutex_lock(&ss_thread_lock); - while (ss_thread_count > 0) { /* let ss_threads finish and run dahdi_hangup before dahvi_pvts are destroyed */ - int x = DAHDI_FLASH; - if (option_debug > 2) - ast_verbose("Waiting on %d ss_thread(s) to finish\n", ss_thread_count); - - for (p = iflist; p; p = p->next) { - if (p->owner) - ioctl(p->subs[SUB_REAL].dfd, DAHDI_HOOK, &x); /* important to create an event for dahdi_wait_event to register so that all ss_threads terminate */ - } - ast_cond_wait(&ss_thread_complete, &ss_thread_lock); - } - - /* ensure any created channels before monitor threads were stopped are hungup */ - dahdi_softhangup_all(); - if (option_verbose > 3) - ast_verbose("Final softhangup of all DAHDI channels complete.\n"); - destroy_all_channels(); - if (option_debug) - ast_verbose("Channels destroyed. Now re-reading config. %d active channels remaining.\n", ast_active_channels()); - - ast_mutex_unlock(&monlock); - - #ifdef HAVE_PRI - for (i = 0; i < NUM_SPANS; i++) { - for (j = 0; j < NUM_DCHANS; j++) - dahdi_close_pri_fd(&(pris[i]), j); - } - - memset(pris, 0, sizeof(pris)); - for (i = 0; i < NUM_SPANS; i++) { - ast_mutex_init(&pris[i].lock); - pris[i].offset = -1; - pris[i].master = AST_PTHREADT_NULL; - for (j = 0; j < NUM_DCHANS; j++) - pris[i].fds[j] = -1; - } - pri_set_error(dahdi_pri_error); - pri_set_message(dahdi_pri_message); - #endif - - if (setup_dahdi(2) != 0) { - ast_log(LOG_WARNING, "Reload channels from dahdi config failed!\n"); - ast_mutex_unlock(&ss_thread_lock); - return 1; - } - ast_mutex_unlock(&ss_thread_lock); - ast_mutex_unlock(&restart_lock); - return 0; -} - -static int dahdi_restart_cmd(int fd, int argc, char **argv) -{ - if (argc != 2) { - return RESULT_SHOWUSAGE; - } - - if (dahdi_restart() != 0) - return RESULT_FAILURE; - return RESULT_SUCCESS; -} - -static int dahdi_show_channels(int fd, int argc, char **argv) -{ -#define FORMAT "%7s %-10.10s %-15.15s %-10.10s %-20.20s\n" -#define FORMAT2 "%7s %-10.10s %-15.15s %-10.10s %-20.20s\n" - struct dahdi_pvt *tmp = NULL; - char tmps[20] = ""; - ast_mutex_t *lock; - struct dahdi_pvt *start; -#ifdef HAVE_PRI - int trunkgroup; - struct dahdi_pri *pri = NULL; - int x; -#endif - - lock = &iflock; - start = iflist; - -#ifdef HAVE_PRI - if (argc == 4) { - if ((trunkgroup = atoi(argv[3])) < 1) - return RESULT_SHOWUSAGE; - for (x = 0; x < NUM_SPANS; x++) { - if (pris[x].trunkgroup == trunkgroup) { - pri = pris + x; - break; - } - } - if (pri) { - start = pri->crvs; - lock = &pri->lock; - } else { - ast_cli(fd, "No such trunk group %d\n", trunkgroup); - return RESULT_FAILURE; - } - } else -#endif - if (argc != 3) - return RESULT_SHOWUSAGE; - - ast_mutex_lock(lock); -#ifdef HAVE_PRI - ast_cli(fd, FORMAT2, pri ? "CRV" : "Chan", "Extension", "Context", "Language", "MOH Interpret"); -#else - ast_cli(fd, FORMAT2, "Chan", "Extension", "Context", "Language", "MOH Interpret"); -#endif - - tmp = start; - while (tmp) { - if (tmp->channel > 0) { - snprintf(tmps, sizeof(tmps), "%d", tmp->channel); - } else - ast_copy_string(tmps, "pseudo", sizeof(tmps)); - ast_cli(fd, FORMAT, tmps, tmp->exten, tmp->context, tmp->language, tmp->mohinterpret); - tmp = tmp->next; - } - ast_mutex_unlock(lock); - return RESULT_SUCCESS; -#undef FORMAT -#undef FORMAT2 -} - -static int dahdi_show_channel(int fd, int argc, char **argv) -{ - int channel; - struct dahdi_pvt *tmp = NULL; - struct dahdi_confinfo ci; - struct dahdi_params ps; - int x; - ast_mutex_t *lock; - struct dahdi_pvt *start; -#ifdef HAVE_PRI - char *c; - int trunkgroup; - struct dahdi_pri *pri=NULL; -#endif - - lock = &iflock; - start = iflist; - - if (argc != 4) - return RESULT_SHOWUSAGE; -#ifdef HAVE_PRI - if ((c = strchr(argv[3], ':'))) { - if (sscanf(argv[3], "%d:%d", &trunkgroup, &channel) != 2) - return RESULT_SHOWUSAGE; - if ((trunkgroup < 1) || (channel < 1)) - return RESULT_SHOWUSAGE; - for (x = 0; x < NUM_SPANS; x++) { - if (pris[x].trunkgroup == trunkgroup) { - pri = pris + x; - break; - } - } - if (pri) { - start = pri->crvs; - lock = &pri->lock; - } else { - ast_cli(fd, "No such trunk group %d\n", trunkgroup); - return RESULT_FAILURE; - } - } else -#endif - channel = atoi(argv[3]); - - ast_mutex_lock(lock); - tmp = start; - while (tmp) { - if (tmp->channel == channel) { -#ifdef HAVE_PRI - if (pri) - ast_cli(fd, "Trunk/CRV: %d/%d\n", trunkgroup, tmp->channel); - else -#endif - ast_cli(fd, "Channel: %d\n", tmp->channel); - ast_cli(fd, "File Descriptor: %d\n", tmp->subs[SUB_REAL].dfd); - ast_cli(fd, "Span: %d\n", tmp->span); - ast_cli(fd, "Extension: %s\n", tmp->exten); - ast_cli(fd, "Dialing: %s\n", tmp->dialing ? "yes" : "no"); - ast_cli(fd, "Context: %s\n", tmp->context); - ast_cli(fd, "Caller ID: %s\n", tmp->cid_num); - ast_cli(fd, "Calling TON: %d\n", tmp->cid_ton); - ast_cli(fd, "Caller ID name: %s\n", tmp->cid_name); - ast_cli(fd, "Destroy: %d\n", tmp->destroy); - ast_cli(fd, "InAlarm: %d\n", tmp->inalarm); - ast_cli(fd, "Signalling Type: %s\n", sig2str(tmp->sig)); - ast_cli(fd, "Radio: %d\n", tmp->radio); - ast_cli(fd, "Owner: %s\n", tmp->owner ? tmp->owner->name : "<None>"); - ast_cli(fd, "Real: %s%s%s\n", tmp->subs[SUB_REAL].owner ? tmp->subs[SUB_REAL].owner->name : "<None>", tmp->subs[SUB_REAL].inthreeway ? " (Confed)" : "", tmp->subs[SUB_REAL].linear ? " (Linear)" : ""); - ast_cli(fd, "Callwait: %s%s%s\n", tmp->subs[SUB_CALLWAIT].owner ? tmp->subs[SUB_CALLWAIT].owner->name : "<None>", tmp->subs[SUB_CALLWAIT].inthreeway ? " (Confed)" : "", tmp->subs[SUB_CALLWAIT].linear ? " (Linear)" : ""); - ast_cli(fd, "Threeway: %s%s%s\n", tmp->subs[SUB_THREEWAY].owner ? tmp->subs[SUB_THREEWAY].owner->name : "<None>", tmp->subs[SUB_THREEWAY].inthreeway ? " (Confed)" : "", tmp->subs[SUB_THREEWAY].linear ? " (Linear)" : ""); - ast_cli(fd, "Confno: %d\n", tmp->confno); - ast_cli(fd, "Propagated Conference: %d\n", tmp->propconfno); - ast_cli(fd, "Real in conference: %d\n", tmp->inconference); - ast_cli(fd, "DSP: %s\n", tmp->dsp ? "yes" : "no"); - ast_cli(fd, "Relax DTMF: %s\n", tmp->dtmfrelax ? "yes" : "no"); - ast_cli(fd, "Dialing/CallwaitCAS: %d/%d\n", tmp->dialing, tmp->callwaitcas); - ast_cli(fd, "Default law: %s\n", tmp->law == DAHDI_LAW_MULAW ? "ulaw" : tmp->law == DAHDI_LAW_ALAW ? "alaw" : "unknown"); - ast_cli(fd, "Fax Handled: %s\n", tmp->faxhandled ? "yes" : "no"); - ast_cli(fd, "Pulse phone: %s\n", tmp->pulsedial ? "yes" : "no"); - ast_cli(fd, "Echo Cancellation: %d taps%s, currently %s\n", tmp->echocancel, tmp->echocanbridged ? "" : " unless TDM bridged", tmp->echocanon ? "ON" : "OFF"); - if (tmp->master) - ast_cli(fd, "Master Channel: %d\n", tmp->master->channel); - for (x = 0; x < MAX_SLAVES; x++) { - if (tmp->slaves[x]) - ast_cli(fd, "Slave Channel: %d\n", tmp->slaves[x]->channel); - } -#ifdef HAVE_PRI - if (tmp->pri) { - ast_cli(fd, "PRI Flags: "); - if (tmp->resetting) - ast_cli(fd, "Resetting "); - if (tmp->call) - ast_cli(fd, "Call "); - if (tmp->bearer) - ast_cli(fd, "Bearer "); - ast_cli(fd, "\n"); - if (tmp->logicalspan) - ast_cli(fd, "PRI Logical Span: %d\n", tmp->logicalspan); - else - ast_cli(fd, "PRI Logical Span: Implicit\n"); - } - -#endif - memset(&ci, 0, sizeof(ci)); - ps.channo = tmp->channel; - if (tmp->subs[SUB_REAL].dfd > -1) { - if (!ioctl(tmp->subs[SUB_REAL].dfd, DAHDI_GETCONF, &ci)) { - ast_cli(fd, "Actual Confinfo: Num/%d, Mode/0x%04x\n", ci.confno, ci.confmode); - } -#ifdef DAHDI_GETCONFMUTE - if (!ioctl(tmp->subs[SUB_REAL].dfd, DAHDI_GETCONFMUTE, &x)) { - ast_cli(fd, "Actual Confmute: %s\n", x ? "Yes" : "No"); - } -#endif - if (ioctl(tmp->subs[SUB_REAL].dfd, DAHDI_GET_PARAMS, &ps) < 0) { - ast_log(LOG_WARNING, "Failed to get parameters on channel %d: %s\n", tmp->channel, strerror(errno)); - } else { - ast_cli(fd, "Hookstate (FXS only): %s\n", ps.rxisoffhook ? "Offhook" : "Onhook"); - } - } - ast_mutex_unlock(lock); - return RESULT_SUCCESS; - } - tmp = tmp->next; - } - - ast_cli(fd, "Unable to find given channel %d\n", channel); - ast_mutex_unlock(lock); - return RESULT_FAILURE; -} - -static char dahdi_show_cadences_usage[] = -"Usage: dahdi show cadences\n" -" Shows all cadences currently defined\n"; - -static int handle_dahdi_show_cadences(int fd, int argc, char *argv[]) -{ - int i, j; - for (i = 0; i < num_cadence; i++) { - char output[1024]; - char tmp[16], tmp2[64]; - snprintf(tmp, sizeof(tmp), "r%d: ", i + 1); - term_color(output, tmp, COLOR_GREEN, COLOR_BLACK, sizeof(output)); - - for (j = 0; j < 16; j++) { - if (cadences[i].ringcadence[j] == 0) - break; - snprintf(tmp, sizeof(tmp), "%d", cadences[i].ringcadence[j]); - if (cidrings[i] * 2 - 1 == j) - term_color(tmp2, tmp, COLOR_MAGENTA, COLOR_BLACK, sizeof(tmp2) - 1); - else - term_color(tmp2, tmp, COLOR_GREEN, COLOR_BLACK, sizeof(tmp2) - 1); - if (j != 0) - strncat(output, ",", sizeof(output) - strlen(output) - 1); - strncat(output, tmp2, sizeof(output) - strlen(output) - 1); - } - ast_cli(fd,"%s\n",output); - } - return 0; -} - -/* Based on irqmiss.c */ -static int dahdi_show_status(int fd, int argc, char *argv[]) { - #define FORMAT "%-40.40s %-10.10s %-10d %-10d %-10d\n" - #define FORMAT2 "%-40.40s %-10.10s %-10.10s %-10.10s %-10.10s\n" - - int span; - int res; - char alarms[50]; - - int ctl; - struct dahdi_spaninfo s; - - if ((ctl = open(DAHDI_FILE_CTL, O_RDWR)) < 0) { - ast_log(LOG_WARNING, "Unable to open " DAHDI_FILE_CTL ": %s\n", strerror(errno)); - ast_cli(fd, "No " DAHDI_NAME " interface found.\n"); - return RESULT_FAILURE; - } - ast_cli(fd, FORMAT2, "Description", "Alarms", "IRQ", "bpviol", "CRC4"); - - for (span = 1; span < DAHDI_MAX_SPANS; ++span) { - s.spanno = span; - res = ioctl(ctl, DAHDI_SPANSTAT, &s); - if (res) { - continue; - } - alarms[0] = '\0'; - if (s.alarms > 0) { - if (s.alarms & DAHDI_ALARM_BLUE) - strcat(alarms, "BLU/"); - if (s.alarms & DAHDI_ALARM_YELLOW) - strcat(alarms, "YEL/"); - if (s.alarms & DAHDI_ALARM_RED) - strcat(alarms, "RED/"); - if (s.alarms & DAHDI_ALARM_LOOPBACK) - strcat(alarms, "LB/"); - if (s.alarms & DAHDI_ALARM_RECOVER) - strcat(alarms, "REC/"); - if (s.alarms & DAHDI_ALARM_NOTOPEN) - strcat(alarms, "NOP/"); - if (!strlen(alarms)) - strcat(alarms, "UUU/"); - if (strlen(alarms)) { - /* Strip trailing / */ - alarms[strlen(alarms) - 1] = '\0'; - } - } else { - if (s.numchans) - strcpy(alarms, "OK"); - else - strcpy(alarms, "UNCONFIGURED"); - } - - ast_cli(fd, FORMAT, s.desc, alarms, s.irqmisses, s.bpvcount, s.crc4count); - } - close(ctl); - - return RESULT_SUCCESS; -#undef FORMAT -#undef FORMAT2 -} - -static char show_channels_usage[] = - "Usage: dahdi show channels\n" - " Shows a list of available channels\n"; - -static char show_channel_usage[] = - "Usage: dahdi show channel <chan num>\n" - " Detailed information about a given channel\n"; - -static char dahdi_show_status_usage[] = - "Usage: dahdi show status\n" - " Shows a list of DAHDI cards with status\n"; - -static char destroy_channel_usage[] = - "Usage: dahdi destroy channel <chan num>\n" - " DON'T USE THIS UNLESS YOU KNOW WHAT YOU ARE DOING. Immediately removes a given channel, whether it is in use or not\n"; - -static char dahdi_restart_usage[] = - "Usage: dahdi restart\n" - " Restarts the DAHDI channels: destroys them all and then\n" - " re-reads them from chan_dahdi.conf.\n" - " Note that this will STOP any running CALL on DAHDI channels.\n" - ""; - -static struct ast_cli_entry cli_zap_show_cadences_deprecated = { - { "zap", "show", "cadences", NULL }, - handle_dahdi_show_cadences, NULL, - NULL }; - -static struct ast_cli_entry cli_zap_show_channels_deprecated = { - { "zap", "show", "channels", NULL }, - dahdi_show_channels, NULL, - NULL }; - -static struct ast_cli_entry cli_zap_show_channel_deprecated = { - { "zap", "show", "channel", NULL }, - dahdi_show_channel, NULL, - NULL }; - -static struct ast_cli_entry cli_zap_destroy_channel_deprecated = { - { "zap", "destroy", "channel", NULL }, - dahdi_destroy_channel, NULL, - NULL }; - -static struct ast_cli_entry cli_zap_restart_deprecated = { - { "zap", "restart", NULL }, - dahdi_restart_cmd, NULL, - NULL }; - -static struct ast_cli_entry cli_zap_show_status_deprecated = { - { "zap", "show", "status", NULL }, - dahdi_show_status, NULL, - NULL }; - -static struct ast_cli_entry dahdi_cli[] = { - { { "dahdi", "show", "cadences", NULL }, - handle_dahdi_show_cadences, "List cadences", - dahdi_show_cadences_usage, NULL, &cli_zap_show_cadences_deprecated }, - - { { "dahdi", "show", "channels", NULL}, - dahdi_show_channels, "Show active DAHDI channels", - show_channels_usage, NULL, &cli_zap_show_channels_deprecated }, - - { { "dahdi", "show", "channel", NULL}, - dahdi_show_channel, "Show information on a channel", - show_channel_usage, NULL, &cli_zap_show_channel_deprecated }, - - { { "dahdi", "destroy", "channel", NULL}, - dahdi_destroy_channel, "Destroy a channel", - destroy_channel_usage, NULL, &cli_zap_destroy_channel_deprecated }, - - { { "dahdi", "restart", NULL}, - dahdi_restart_cmd, "Fully restart DAHDI channels", - dahdi_restart_usage, NULL, &cli_zap_restart_deprecated }, - - { { "dahdi", "show", "status", NULL}, - dahdi_show_status, "Show all DAHDI cards status", - dahdi_show_status_usage, NULL, &cli_zap_show_status_deprecated }, -}; - -#define TRANSFER 0 -#define HANGUP 1 - -static int dahdi_fake_event(struct dahdi_pvt *p, int mode) -{ - if (p) { - switch (mode) { - case TRANSFER: - p->fake_event = DAHDI_EVENT_WINKFLASH; - break; - case HANGUP: - p->fake_event = DAHDI_EVENT_ONHOOK; - break; - default: - ast_log(LOG_WARNING, "I don't know how to handle transfer event with this: %d on channel %s\n",mode, p->owner->name); - } - } - return 0; -} -static struct dahdi_pvt *find_channel(int channel) -{ - struct dahdi_pvt *p = iflist; - while (p) { - if (p->channel == channel) { - break; - } - p = p->next; - } - return p; -} - -#define local_astman_ack(s, m, msg, zap) do { if (!zap) astman_send_ack(s, m, "DAHDI" msg); else astman_send_ack(s, m, "Zap" msg); } while (0) -#define local_astman_header(m, hdr, zap) astman_get_header(m, (!zap) ? "DAHDI" hdr : "Zap" hdr) - -static int __action_dnd(struct mansession *s, const struct message *m, int zap_mode, int dnd) -{ - struct dahdi_pvt *p = NULL; - const char *channel = local_astman_header(m, "Channel", zap_mode); - - if (ast_strlen_zero(channel)) { - astman_send_error(s, m, "No channel specified"); - return 0; - } - if (!(p = find_channel(atoi(channel)))) { - astman_send_error(s, m, "No such channel"); - return 0; - } - p->dnd = dnd; - local_astman_ack(s, m, "DND", zap_mode); - - return 0; -} - -static int zap_action_dndon(struct mansession *s, const struct message *m) -{ - return __action_dnd(s, m, 1, 1); -} - -static int dahdi_action_dndon(struct mansession *s, const struct message *m) -{ - return __action_dnd(s, m, 0, 1); -} - -static int zap_action_dndoff(struct mansession *s, const struct message *m) -{ - return __action_dnd(s, m, 1, 0); -} - -static int dahdi_action_dndoff(struct mansession *s, const struct message *m) -{ - return __action_dnd(s, m, 0, 0); -} - -static int __action_transfer(struct mansession *s, const struct message *m, int zap_mode) -{ - struct dahdi_pvt *p = NULL; - const char *channel = local_astman_header(m, "Channel", zap_mode); - - if (ast_strlen_zero(channel)) { - astman_send_error(s, m, "No channel specified"); - return 0; - } - if (!(p = find_channel(atoi(channel)))) { - astman_send_error(s, m, "No such channel"); - return 0; - } - dahdi_fake_event(p,TRANSFER); - local_astman_ack(s, m, "Transfer", zap_mode); - - return 0; -} - -static int zap_action_transfer(struct mansession *s, const struct message *m) -{ - return __action_transfer(s, m, 1); -} - -static int dahdi_action_transfer(struct mansession *s, const struct message *m) -{ - return __action_transfer(s, m, 0); -} - -static int __action_transferhangup(struct mansession *s, const struct message *m, int zap_mode) -{ - struct dahdi_pvt *p = NULL; - const char *channel = local_astman_header(m, "Channel", zap_mode); - - if (ast_strlen_zero(channel)) { - astman_send_error(s, m, "No channel specified"); - return 0; - } - if (!(p = find_channel(atoi(channel)))) { - astman_send_error(s, m, "No such channel"); - return 0; - } - dahdi_fake_event(p, HANGUP); - local_astman_ack(s, m, "Hangup", zap_mode); - return 0; -} - -static int zap_action_transferhangup(struct mansession *s, const struct message *m) -{ - return __action_transferhangup(s, m, 1); -} - -static int dahdi_action_transferhangup(struct mansession *s, const struct message *m) -{ - return __action_transferhangup(s, m, 0); -} - -static int __action_dialoffhook(struct mansession *s, const struct message *m, int zap_mode) -{ - struct dahdi_pvt *p = NULL; - const char *channel = local_astman_header(m, "Channel", zap_mode); - const char *number = astman_get_header(m, "Number"); - int i; - - if (ast_strlen_zero(channel)) { - astman_send_error(s, m, "No channel specified"); - return 0; - } - if (ast_strlen_zero(number)) { - astman_send_error(s, m, "No number specified"); - return 0; - } - if (!(p = find_channel(atoi(channel)))) { - astman_send_error(s, m, "No such channel"); - return 0; - } - if (!p->owner) { - astman_send_error(s, m, "Channel does not have an owner"); - return 0; - } - for (i = 0; i < strlen(number); i++) { - struct ast_frame f = { AST_FRAME_DTMF, number[i] }; - - dahdi_queue_frame(p, &f, NULL); - } - local_astman_ack(s, m, "DialOffHook", zap_mode); - - return 0; -} - -static int zap_action_dialoffhook(struct mansession *s, const struct message *m) -{ - return __action_dialoffhook(s, m, 1); -} - -static int dahdi_action_dialoffhook(struct mansession *s, const struct message *m) -{ - return __action_dialoffhook(s, m, 0); -} - -static int __action_showchannels(struct mansession *s, const struct message *m, int zap_mode) -{ - struct dahdi_pvt *tmp = NULL; - const char *id = astman_get_header(m, "ActionID"); - char idText[256] = ""; - - local_astman_ack(s, m, " channel status will follow", zap_mode); - if (!ast_strlen_zero(id)) - snprintf(idText, sizeof(idText) - 1, "ActionID: %s\r\n", id); - - ast_mutex_lock(&iflock); - - tmp = iflist; - while (tmp) { - if (tmp->channel > 0) { - int alarm = get_alarms(tmp); - astman_append(s, - "Event: %sShowChannels\r\n" - "Channel: %d\r\n" - "Signalling: %s\r\n" - "Context: %s\r\n" - "DND: %s\r\n" - "Alarm: %s\r\n" - "%s" - "\r\n", - dahdi_chan_name, - tmp->channel, sig2str(tmp->sig), tmp->context, - tmp->dnd ? "Enabled" : "Disabled", - alarm2str(alarm), idText); - } - - tmp = tmp->next; - } - - ast_mutex_unlock(&iflock); - - astman_append(s, - "Event: %sShowChannelsComplete\r\n" - "%s" - "\r\n", - dahdi_chan_name, - idText); - return 0; -} - -static int zap_action_showchannels(struct mansession *s, const struct message *m) -{ - return __action_showchannels(s, m, 1); -} - -static int dahdi_action_showchannels(struct mansession *s, const struct message *m) -{ - return __action_showchannels(s, m, 0); -} - -static int __action_restart(struct mansession *s, const struct message *m, int zap_mode) -{ - if (dahdi_restart() != 0) { - if (zap_mode) { - astman_send_error(s, m, "Failed to restart Zap"); - } else { - astman_send_error(s, m, "Failed to restart DAHDI"); - } - return 1; - } - local_astman_ack(s, m, "Restart: Success", zap_mode); - return 0; -} - -static int zap_action_restart(struct mansession *s, const struct message *m) -{ - return __action_restart(s, m, 1); -} - -static int dahdi_action_restart(struct mansession *s, const struct message *m) -{ - return __action_restart(s, m, 0); -} - -#define local_astman_unregister(a) do { \ - if (*dahdi_chan_mode == CHAN_DAHDI_PLUS_ZAP_MODE) { \ - ast_manager_unregister("DAHDI" a); \ - } \ - ast_manager_unregister("Zap" a); \ - } while (0) - -static int __unload_module(void) -{ - struct dahdi_pvt *p; - -#ifdef HAVE_PRI - int i, j; - for (i = 0; i < NUM_SPANS; i++) { - if (pris[i].master != AST_PTHREADT_NULL) - pthread_cancel(pris[i].master); - } - ast_cli_unregister_multiple(dahdi_pri_cli, sizeof(dahdi_pri_cli) / sizeof(struct ast_cli_entry)); - - if (*dahdi_chan_mode == CHAN_DAHDI_PLUS_ZAP_MODE) { - ast_unregister_application(dahdi_send_keypad_facility_app); - } - ast_unregister_application(zap_send_keypad_facility_app); -#endif - ast_cli_unregister_multiple(dahdi_cli, sizeof(dahdi_cli) / sizeof(struct ast_cli_entry)); - local_astman_unregister("DialOffHook"); - local_astman_unregister("Hangup"); - local_astman_unregister("Transfer"); - local_astman_unregister("DNDoff"); - local_astman_unregister("DNDon"); - local_astman_unregister("ShowChannels"); - local_astman_unregister("Restart"); - ast_channel_unregister(chan_tech); - ast_mutex_lock(&iflock); - /* Hangup all interfaces if they have an owner */ - p = iflist; - while (p) { - if (p->owner) - ast_softhangup(p->owner, AST_SOFTHANGUP_APPUNLOAD); - p = p->next; - } - ast_mutex_unlock(&iflock); - ast_mutex_lock(&monlock); - if (monitor_thread && (monitor_thread != AST_PTHREADT_STOP) && (monitor_thread != AST_PTHREADT_NULL)) { - pthread_cancel(monitor_thread); - pthread_kill(monitor_thread, SIGURG); - pthread_join(monitor_thread, NULL); - } - monitor_thread = AST_PTHREADT_STOP; - ast_mutex_unlock(&monlock); - - destroy_all_channels(); -#ifdef HAVE_PRI - for (i = 0; i < NUM_SPANS; i++) { - if (pris[i].master && (pris[i].master != AST_PTHREADT_NULL)) - pthread_join(pris[i].master, NULL); - for (j = 0; j < NUM_DCHANS; j++) { - dahdi_close_pri_fd(&(pris[i]), j); - } - } -#endif - ast_cond_destroy(&ss_thread_complete); - return 0; -} - -static int unload_module(void) -{ -#ifdef HAVE_PRI - int y; - for (y = 0; y < NUM_SPANS; y++) - ast_mutex_destroy(&pris[y].lock); -#endif - return __unload_module(); -} - -static int build_channels(struct dahdi_chan_conf *conf, int iscrv, const char *value, int reload, int lineno, int *found_pseudo) -{ - char *c, *chan; - int x, start, finish; - struct dahdi_pvt *tmp; -#ifdef HAVE_PRI - struct dahdi_pri *pri; - int trunkgroup, y; -#endif - - if ((reload == 0) && (conf->chan.sig < 0)) { - ast_log(LOG_ERROR, "Signalling must be specified before any channels are.\n"); - return -1; - } - - c = ast_strdupa(value); - -#ifdef HAVE_PRI - pri = NULL; - if (iscrv) { - if (sscanf(c, "%d:%n", &trunkgroup, &y) != 1) { - ast_log(LOG_WARNING, "CRV must begin with trunkgroup followed by a colon at line %d\n", lineno); - return -1; - } - if (trunkgroup < 1) { - ast_log(LOG_WARNING, "CRV trunk group must be a positive number at line %d\n", lineno); - return -1; - } - c += y; - for (y = 0; y < NUM_SPANS; y++) { - if (pris[y].trunkgroup == trunkgroup) { - pri = pris + y; - break; - } - } - if (!pri) { - ast_log(LOG_WARNING, "No such trunk group %d at CRV declaration at line %d\n", trunkgroup, lineno); - return -1; - } - } -#endif - - while ((chan = strsep(&c, ","))) { - if (sscanf(chan, "%d-%d", &start, &finish) == 2) { - /* Range */ - } else if (sscanf(chan, "%d", &start)) { - /* Just one */ - finish = start; - } else if (!strcasecmp(chan, "pseudo")) { - finish = start = CHAN_PSEUDO; - if (found_pseudo) - *found_pseudo = 1; - } else { - ast_log(LOG_ERROR, "Syntax error parsing '%s' at '%s'\n", value, chan); - return -1; - } - if (finish < start) { - ast_log(LOG_WARNING, "Sillyness: %d < %d\n", start, finish); - x = finish; - finish = start; - start = x; - } - - for (x = start; x <= finish; x++) { -#ifdef HAVE_PRI - tmp = mkintf(x, conf, pri, reload); -#else - tmp = mkintf(x, conf, NULL, reload); -#endif - - if (tmp) { - if (option_verbose > 2) { -#ifdef HAVE_PRI - if (pri) - ast_verbose(VERBOSE_PREFIX_3 "%s CRV %d:%d, %s signalling\n", reload ? "Reconfigured" : "Registered", trunkgroup, x, sig2str(tmp->sig)); - else -#endif - ast_verbose(VERBOSE_PREFIX_3 "%s channel %d, %s signalling\n", reload ? "Reconfigured" : "Registered", x, sig2str(tmp->sig)); - } - } else { - ast_log(LOG_ERROR, "Unable to %s channel '%s'\n", - (reload == 1) ? "reconfigure" : "register", value); - return -1; - } - } - } - - return 0; -} - -/** The length of the parameters list of 'dahdichan'. - * \todo Move definition of MAX_CHANLIST_LEN to a proper place. */ -#define MAX_CHANLIST_LEN 80 -static int process_dahdi(struct dahdi_chan_conf *confp, const char *cat, struct ast_variable *v, int reload, int skipchannels) -{ - struct dahdi_pvt *tmp; - int y; - int found_pseudo = 0; - char dahdichan[MAX_CHANLIST_LEN] = {}; - - for (; v; v = v->next) { - if (!ast_jb_read_conf(&global_jbconf, v->name, v->value)) - continue; - - /* Create the interface list */ - if (!strcasecmp(v->name, "channel") -#ifdef HAVE_PRI - || !strcasecmp(v->name, "crv") -#endif - ) { - int iscrv; - if (skipchannels) - continue; - iscrv = !strcasecmp(v->name, "crv"); - if (build_channels(confp, iscrv, v->value, reload, v->lineno, &found_pseudo)) - return -1; - } else if (!strcasecmp(v->name, "buffers")) { - int res; - char policy[21] = ""; - - res = sscanf(v->value, "%d,%20s", &confp->chan.buf_no, policy); - if (res != 2) { - ast_log(LOG_WARNING, "Parsing buffers option data failed, using defaults.\n"); - confp->chan.buf_no = numbufs; - continue; - } - if (confp->chan.buf_no < 0) - confp->chan.buf_no = numbufs; - if (!strcasecmp(policy, "full")) { - confp->chan.buf_policy = DAHDI_POLICY_WHEN_FULL; - } else if (!strcasecmp(policy, "immediate")) { - confp->chan.buf_policy = DAHDI_POLICY_IMMEDIATE; - } else { - ast_log(LOG_WARNING, "Invalid policy name given (%s).\n", policy); - } - } else if (!strcasecmp(v->name, "zapchan") || !strcasecmp(v->name, "dahdichan")) { - ast_copy_string(dahdichan, v->value, sizeof(dahdichan)); - if (v->name[0] == 'z' || v->name[0] == 'Z') { - ast_log(LOG_WARNING, "Option zapchan has been deprecated in favor of dahdichan (found in [%s])\n", cat); - } - } else if (!strcasecmp(v->name, "usedistinctiveringdetection")) { - if (ast_true(v->value)) - confp->chan.usedistinctiveringdetection = 1; - } else if (!strcasecmp(v->name, "distinctiveringaftercid")) { - if (ast_true(v->value)) - distinctiveringaftercid = 1; - } else if (!strcasecmp(v->name, "dring1context")) { - ast_copy_string(drings.ringContext[0].contextData, v->value, sizeof(drings.ringContext[0].contextData)); - } else if (!strcasecmp(v->name, "dring2context")) { - ast_copy_string(drings.ringContext[1].contextData, v->value, sizeof(drings.ringContext[1].contextData)); - } else if (!strcasecmp(v->name, "dring3context")) { - ast_copy_string(drings.ringContext[2].contextData, v->value, sizeof(drings.ringContext[2].contextData)); - } else if (!strcasecmp(v->name, "dring1")) { - sscanf(v->value, "%d,%d,%d", &drings.ringnum[0].ring[0], &drings.ringnum[0].ring[1], &drings.ringnum[0].ring[2]); - } else if (!strcasecmp(v->name, "dring2")) { - sscanf(v->value, "%d,%d,%d", &drings.ringnum[1].ring[0], &drings.ringnum[1].ring[1], &drings.ringnum[1].ring[2]); - } else if (!strcasecmp(v->name, "dring3")) { - sscanf(v->value, "%d,%d,%d", &drings.ringnum[2].ring[0], &drings.ringnum[2].ring[1], &drings.ringnum[2].ring[2]); - } else if (!strcasecmp(v->name, "usecallerid")) { - confp->chan.use_callerid = ast_true(v->value); - } else if (!strcasecmp(v->name, "cidsignalling")) { - if (!strcasecmp(v->value, "bell")) - confp->chan.cid_signalling = CID_SIG_BELL; - else if (!strcasecmp(v->value, "v23")) - confp->chan.cid_signalling = CID_SIG_V23; - else if (!strcasecmp(v->value, "dtmf")) - confp->chan.cid_signalling = CID_SIG_DTMF; - else if (!strcasecmp(v->value, "smdi")) - confp->chan.cid_signalling = CID_SIG_SMDI; - else if (!strcasecmp(v->value, "v23_jp")) - confp->chan.cid_signalling = CID_SIG_V23_JP; - else if (ast_true(v->value)) - confp->chan.cid_signalling = CID_SIG_BELL; - } else if (!strcasecmp(v->name, "cidstart")) { - if (!strcasecmp(v->value, "ring")) - confp->chan.cid_start = CID_START_RING; - else if (!strcasecmp(v->value, "polarity")) - confp->chan.cid_start = CID_START_POLARITY; - else if (ast_true(v->value)) - confp->chan.cid_start = CID_START_RING; - } else if (!strcasecmp(v->name, "threewaycalling")) { - confp->chan.threewaycalling = ast_true(v->value); - } else if (!strcasecmp(v->name, "cancallforward")) { - confp->chan.cancallforward = ast_true(v->value); - } else if (!strcasecmp(v->name, "relaxdtmf")) { - if (ast_true(v->value)) - confp->chan.dtmfrelax = DSP_DIGITMODE_RELAXDTMF; - else - confp->chan.dtmfrelax = 0; - } else if (!strcasecmp(v->name, "mailbox")) { - ast_copy_string(confp->chan.mailbox, v->value, sizeof(confp->chan.mailbox)); - } else if (!strcasecmp(v->name, "hasvoicemail")) { - if (ast_true(v->value) && ast_strlen_zero(confp->chan.mailbox)) { - ast_copy_string(confp->chan.mailbox, cat, sizeof(confp->chan.mailbox)); - } - } else if (!strcasecmp(v->name, "adsi")) { - confp->chan.adsi = ast_true(v->value); - } else if (!strcasecmp(v->name, "usesmdi")) { - confp->chan.use_smdi = ast_true(v->value); - } else if (!strcasecmp(v->name, "smdiport")) { - ast_copy_string(confp->smdi_port, v->value, sizeof(confp->smdi_port)); - } else if (!strcasecmp(v->name, "transfer")) { - confp->chan.transfer = ast_true(v->value); - } else if (!strcasecmp(v->name, "canpark")) { - confp->chan.canpark = ast_true(v->value); - } else if (!strcasecmp(v->name, "echocancelwhenbridged")) { - confp->chan.echocanbridged = ast_true(v->value); - } else if (!strcasecmp(v->name, "busydetect")) { - confp->chan.busydetect = ast_true(v->value); - } else if (!strcasecmp(v->name, "busycount")) { - confp->chan.busycount = atoi(v->value); - } else if (!strcasecmp(v->name, "busypattern")) { - if (sscanf(v->value, "%d,%d", &confp->chan.busy_tonelength, &confp->chan.busy_quietlength) != 2) { - ast_log(LOG_ERROR, "busypattern= expects busypattern=tonelength,quietlength\n"); - } - } else if (!strcasecmp(v->name, "callprogress")) { - if (ast_true(v->value)) - confp->chan.callprogress |= 1; - else - confp->chan.callprogress &= ~1; - } else if (!strcasecmp(v->name, "faxdetect")) { - if (!strcasecmp(v->value, "incoming")) { - confp->chan.callprogress |= 4; - confp->chan.callprogress &= ~2; - } else if (!strcasecmp(v->value, "outgoing")) { - confp->chan.callprogress &= ~4; - confp->chan.callprogress |= 2; - } else if (!strcasecmp(v->value, "both") || ast_true(v->value)) - confp->chan.callprogress |= 6; - else - confp->chan.callprogress &= ~6; - } else if (!strcasecmp(v->name, "echocancel")) { - if (!ast_strlen_zero(v->value)) { - y = atoi(v->value); - } else - y = 0; - if ((y == 32) || (y == 64) || (y == 128) || (y == 256) || (y == 512) || (y == 1024)) - confp->chan.echocancel = y; - else { - confp->chan.echocancel = ast_true(v->value); - if (confp->chan.echocancel) - confp->chan.echocancel=128; - } - } else if (!strcasecmp(v->name, "echotraining")) { - if (sscanf(v->value, "%d", &y) == 1) { - if ((y < 10) || (y > 4000)) { - ast_log(LOG_WARNING, "Echo training time must be within the range of 10 to 4000 ms at line %d\n", v->lineno); - } else { - confp->chan.echotraining = y; - } - } else if (ast_true(v->value)) { - confp->chan.echotraining = 400; - } else - confp->chan.echotraining = 0; - } else if (!strcasecmp(v->name, "hidecallerid")) { - confp->chan.hidecallerid = ast_true(v->value); - } else if (!strcasecmp(v->name, "hidecalleridname")) { - confp->chan.hidecalleridname = ast_true(v->value); - } else if (!strcasecmp(v->name, "pulsedial")) { - confp->chan.pulse = ast_true(v->value); - } else if (!strcasecmp(v->name, "callreturn")) { - confp->chan.callreturn = ast_true(v->value); - } else if (!strcasecmp(v->name, "callwaiting")) { - confp->chan.callwaiting = ast_true(v->value); - } else if (!strcasecmp(v->name, "callwaitingcallerid")) { - confp->chan.callwaitingcallerid = ast_true(v->value); - } else if (!strcasecmp(v->name, "context")) { - ast_copy_string(confp->chan.context, v->value, sizeof(confp->chan.context)); - } else if (!strcasecmp(v->name, "language")) { - ast_copy_string(confp->chan.language, v->value, sizeof(confp->chan.language)); - } else if (!strcasecmp(v->name, "progzone")) { - ast_copy_string(progzone, v->value, sizeof(progzone)); - } else if (!strcasecmp(v->name, "mohinterpret") - ||!strcasecmp(v->name, "musiconhold") || !strcasecmp(v->name, "musicclass")) { - ast_copy_string(confp->chan.mohinterpret, v->value, sizeof(confp->chan.mohinterpret)); - } else if (!strcasecmp(v->name, "mohsuggest")) { - ast_copy_string(confp->chan.mohsuggest, v->value, sizeof(confp->chan.mohsuggest)); - } else if (!strcasecmp(v->name, "stripmsd")) { - confp->chan.stripmsd = atoi(v->value); - } else if (!strcasecmp(v->name, "jitterbuffers")) { - numbufs = atoi(v->value); - } else if (!strcasecmp(v->name, "group")) { - confp->chan.group = ast_get_group(v->value); - } else if (!strcasecmp(v->name, "callgroup")) { - confp->chan.callgroup = ast_get_group(v->value); - } else if (!strcasecmp(v->name, "pickupgroup")) { - confp->chan.pickupgroup = ast_get_group(v->value); - } else if (!strcasecmp(v->name, "immediate")) { - confp->chan.immediate = ast_true(v->value); - } else if (!strcasecmp(v->name, "transfertobusy")) { - confp->chan.transfertobusy = ast_true(v->value); - } else if (!strcasecmp(v->name, "rxgain")) { - if (sscanf(v->value, "%f", &confp->chan.rxgain) != 1) { - ast_log(LOG_WARNING, "Invalid rxgain: %s\n", v->value); - } - } else if (!strcasecmp(v->name, "txgain")) { - if (sscanf(v->value, "%f", &confp->chan.txgain) != 1) { - ast_log(LOG_WARNING, "Invalid txgain: %s\n", v->value); - } - } else if (!strcasecmp(v->name, "tonezone")) { - if (sscanf(v->value, "%d", &confp->chan.tonezone) != 1) { - ast_log(LOG_WARNING, "Invalid tonezone: %s\n", v->value); - } - } else if (!strcasecmp(v->name, "callerid")) { - if (!strcasecmp(v->value, "asreceived")) { - confp->chan.cid_num[0] = '\0'; - confp->chan.cid_name[0] = '\0'; - } else { - ast_callerid_split(v->value, confp->chan.cid_name, sizeof(confp->chan.cid_name), confp->chan.cid_num, sizeof(confp->chan.cid_num)); - } - } else if (!strcasecmp(v->name, "fullname")) { - ast_copy_string(confp->chan.cid_name, v->value, sizeof(confp->chan.cid_name)); - } else if (!strcasecmp(v->name, "cid_number")) { - ast_copy_string(confp->chan.cid_num, v->value, sizeof(confp->chan.cid_num)); - } else if (!strcasecmp(v->name, "useincomingcalleridondahditransfer") || !strcasecmp(v->name, "useincomingcalleridonzaptransfer")) { - confp->chan.dahditrcallerid = ast_true(v->value); - if (strstr(v->name, "zap")) { - ast_log(LOG_WARNING, "Option useincomingcalleridonzaptransfer has been deprecated in favor of useincomingcalleridondahditransfer (in [%s]).\n", cat); - } - } else if (!strcasecmp(v->name, "restrictcid")) { - confp->chan.restrictcid = ast_true(v->value); - } else if (!strcasecmp(v->name, "usecallingpres")) { - confp->chan.use_callingpres = ast_true(v->value); - } else if (!strcasecmp(v->name, "accountcode")) { - ast_copy_string(confp->chan.accountcode, v->value, sizeof(confp->chan.accountcode)); - } else if (!strcasecmp(v->name, "amaflags")) { - y = ast_cdr_amaflags2int(v->value); - if (y < 0) - ast_log(LOG_WARNING, "Invalid AMA flags: %s at line %d\n", v->value, v->lineno); - else - confp->chan.amaflags = y; - } else if (!strcasecmp(v->name, "polarityonanswerdelay")) { - confp->chan.polarityonanswerdelay = atoi(v->value); - } else if (!strcasecmp(v->name, "answeronpolarityswitch")) { - confp->chan.answeronpolarityswitch = ast_true(v->value); - } else if (!strcasecmp(v->name, "hanguponpolarityswitch")) { - confp->chan.hanguponpolarityswitch = ast_true(v->value); - } else if (!strcasecmp(v->name, "sendcalleridafter")) { - confp->chan.sendcalleridafter = atoi(v->value); - } else if (reload != 1){ - if (!strcasecmp(v->name, "signalling")) { - confp->chan.outsigmod = -1; - if (!strcasecmp(v->value, "em")) { - confp->chan.sig = SIG_EM; - } else if (!strcasecmp(v->value, "em_e1")) { - confp->chan.sig = SIG_EM_E1; - } else if (!strcasecmp(v->value, "em_w")) { - confp->chan.sig = SIG_EMWINK; - confp->chan.radio = 0; - } else if (!strcasecmp(v->value, "fxs_ls")) { - confp->chan.sig = SIG_FXSLS; - confp->chan.radio = 0; - } else if (!strcasecmp(v->value, "fxs_gs")) { - confp->chan.sig = SIG_FXSGS; - confp->chan.radio = 0; - } else if (!strcasecmp(v->value, "fxs_ks")) { - confp->chan.sig = SIG_FXSKS; - confp->chan.radio = 0; - } else if (!strcasecmp(v->value, "fxo_ls")) { - confp->chan.sig = SIG_FXOLS; - confp->chan.radio = 0; - } else if (!strcasecmp(v->value, "fxo_gs")) { - confp->chan.sig = SIG_FXOGS; - confp->chan.radio = 0; - } else if (!strcasecmp(v->value, "fxo_ks")) { - confp->chan.sig = SIG_FXOKS; - confp->chan.radio = 0; - } else if (!strcasecmp(v->value, "fxs_rx")) { - confp->chan.sig = SIG_FXSKS; - confp->chan.radio = 1; - } else if (!strcasecmp(v->value, "fxo_rx")) { - confp->chan.sig = SIG_FXOLS; - confp->chan.radio = 1; - } else if (!strcasecmp(v->value, "fxs_tx")) { - confp->chan.sig = SIG_FXSLS; - confp->chan.radio = 1; - } else if (!strcasecmp(v->value, "fxo_tx")) { - confp->chan.sig = SIG_FXOGS; - confp->chan.radio = 1; - } else if (!strcasecmp(v->value, "em_rx")) { - confp->chan.sig = SIG_EM; - confp->chan.radio = 1; - } else if (!strcasecmp(v->value, "em_tx")) { - confp->chan.sig = SIG_EM; - confp->chan.radio = 1; - } else if (!strcasecmp(v->value, "em_rxtx")) { - confp->chan.sig = SIG_EM; - confp->chan.radio = 2; - } else if (!strcasecmp(v->value, "em_txrx")) { - confp->chan.sig = SIG_EM; - confp->chan.radio = 2; - } else if (!strcasecmp(v->value, "sf")) { - confp->chan.sig = SIG_SF; - confp->chan.radio = 0; - } else if (!strcasecmp(v->value, "sf_w")) { - confp->chan.sig = SIG_SFWINK; - confp->chan.radio = 0; - } else if (!strcasecmp(v->value, "sf_featd")) { - confp->chan.sig = SIG_FEATD; - confp->chan.radio = 0; - } else if (!strcasecmp(v->value, "sf_featdmf")) { - confp->chan.sig = SIG_FEATDMF; - confp->chan.radio = 0; - } else if (!strcasecmp(v->value, "sf_featb")) { - confp->chan.sig = SIG_SF_FEATB; - confp->chan.radio = 0; - } else if (!strcasecmp(v->value, "sf")) { - confp->chan.sig = SIG_SF; - confp->chan.radio = 0; - } else if (!strcasecmp(v->value, "sf_rx")) { - confp->chan.sig = SIG_SF; - confp->chan.radio = 1; - } else if (!strcasecmp(v->value, "sf_tx")) { - confp->chan.sig = SIG_SF; - confp->chan.radio = 1; - } else if (!strcasecmp(v->value, "sf_rxtx")) { - confp->chan.sig = SIG_SF; - confp->chan.radio = 2; - } else if (!strcasecmp(v->value, "sf_txrx")) { - confp->chan.sig = SIG_SF; - confp->chan.radio = 2; - } else if (!strcasecmp(v->value, "featd")) { - confp->chan.sig = SIG_FEATD; - confp->chan.radio = 0; - } else if (!strcasecmp(v->value, "featdmf")) { - confp->chan.sig = SIG_FEATDMF; - confp->chan.radio = 0; - } else if (!strcasecmp(v->value, "featdmf_ta")) { - confp->chan.sig = SIG_FEATDMF_TA; - confp->chan.radio = 0; - } else if (!strcasecmp(v->value, "e911")) { - confp->chan.sig = SIG_E911; - confp->chan.radio = 0; - } else if (!strcasecmp(v->value, "fgccama")) { - confp->chan.sig = SIG_FGC_CAMA; - confp->chan.radio = 0; - } else if (!strcasecmp(v->value, "fgccamamf")) { - confp->chan.sig = SIG_FGC_CAMAMF; - confp->chan.radio = 0; - } else if (!strcasecmp(v->value, "featb")) { - confp->chan.sig = SIG_FEATB; - confp->chan.radio = 0; -#ifdef HAVE_PRI - } else if (!strcasecmp(v->value, "pri_net")) { - confp->chan.radio = 0; - confp->chan.sig = SIG_PRI; - confp->pri.nodetype = PRI_NETWORK; - } else if (!strcasecmp(v->value, "pri_cpe")) { - confp->chan.sig = SIG_PRI; - confp->chan.radio = 0; - confp->pri.nodetype = PRI_CPE; - } else if (!strcasecmp(v->value, "gr303fxoks_net")) { - confp->chan.sig = SIG_GR303FXOKS; - confp->chan.radio = 0; - confp->pri.nodetype = PRI_NETWORK; - } else if (!strcasecmp(v->value, "gr303fxsks_cpe")) { - confp->chan.sig = SIG_GR303FXSKS; - confp->chan.radio = 0; - confp->pri.nodetype = PRI_CPE; -#endif - } else { - ast_log(LOG_ERROR, "Unknown signalling method '%s'\n", v->value); - } - } else if (!strcasecmp(v->name, "outsignalling")) { - if (!strcasecmp(v->value, "em")) { - confp->chan.outsigmod = SIG_EM; - } else if (!strcasecmp(v->value, "em_e1")) { - confp->chan.outsigmod = SIG_EM_E1; - } else if (!strcasecmp(v->value, "em_w")) { - confp->chan.outsigmod = SIG_EMWINK; - } else if (!strcasecmp(v->value, "sf")) { - confp->chan.outsigmod = SIG_SF; - } else if (!strcasecmp(v->value, "sf_w")) { - confp->chan.outsigmod = SIG_SFWINK; - } else if (!strcasecmp(v->value, "sf_featd")) { - confp->chan.outsigmod = SIG_FEATD; - } else if (!strcasecmp(v->value, "sf_featdmf")) { - confp->chan.outsigmod = SIG_FEATDMF; - } else if (!strcasecmp(v->value, "sf_featb")) { - confp->chan.outsigmod = SIG_SF_FEATB; - } else if (!strcasecmp(v->value, "sf")) { - confp->chan.outsigmod = SIG_SF; - } else if (!strcasecmp(v->value, "featd")) { - confp->chan.outsigmod = SIG_FEATD; - } else if (!strcasecmp(v->value, "featdmf")) { - confp->chan.outsigmod = SIG_FEATDMF; - } else if (!strcasecmp(v->value, "featdmf_ta")) { - confp->chan.outsigmod = SIG_FEATDMF_TA; - } else if (!strcasecmp(v->value, "e911")) { - confp->chan.outsigmod = SIG_E911; - } else if (!strcasecmp(v->value, "fgccama")) { - confp->chan.outsigmod = SIG_FGC_CAMA; - } else if (!strcasecmp(v->value, "fgccamamf")) { - confp->chan.outsigmod = SIG_FGC_CAMAMF; - } else if (!strcasecmp(v->value, "featb")) { - confp->chan.outsigmod = SIG_FEATB; - } else { - ast_log(LOG_ERROR, "Unknown signalling method '%s'\n", v->value); - } -#ifdef HAVE_PRI - } else if (!strcasecmp(v->name, "pridialplan")) { - if (!strcasecmp(v->value, "national")) { - confp->pri.dialplan = PRI_NATIONAL_ISDN + 1; - } else if (!strcasecmp(v->value, "unknown")) { - confp->pri.dialplan = PRI_UNKNOWN + 1; - } else if (!strcasecmp(v->value, "private")) { - confp->pri.dialplan = PRI_PRIVATE + 1; - } else if (!strcasecmp(v->value, "international")) { - confp->pri.dialplan = PRI_INTERNATIONAL_ISDN + 1; - } else if (!strcasecmp(v->value, "local")) { - confp->pri.dialplan = PRI_LOCAL_ISDN + 1; - } else if (!strcasecmp(v->value, "dynamic")) { - confp->pri.dialplan = -1; - } else { - ast_log(LOG_WARNING, "Unknown PRI dialplan '%s' at line %d.\n", v->value, v->lineno); - } - } else if (!strcasecmp(v->name, "prilocaldialplan")) { - if (!strcasecmp(v->value, "national")) { - confp->pri.localdialplan = PRI_NATIONAL_ISDN + 1; - } else if (!strcasecmp(v->value, "unknown")) { - confp->pri.localdialplan = PRI_UNKNOWN + 1; - } else if (!strcasecmp(v->value, "private")) { - confp->pri.localdialplan = PRI_PRIVATE + 1; - } else if (!strcasecmp(v->value, "international")) { - confp->pri.localdialplan = PRI_INTERNATIONAL_ISDN + 1; - } else if (!strcasecmp(v->value, "local")) { - confp->pri.localdialplan = PRI_LOCAL_ISDN + 1; - } else if (!strcasecmp(v->value, "dynamic")) { - confp->pri.localdialplan = -1; - } else { - ast_log(LOG_WARNING, "Unknown PRI dialplan '%s' at line %d.\n", v->value, v->lineno); - } - } else if (!strcasecmp(v->name, "switchtype")) { - if (!strcasecmp(v->value, "national")) - confp->pri.switchtype = PRI_SWITCH_NI2; - else if (!strcasecmp(v->value, "ni1")) - confp->pri.switchtype = PRI_SWITCH_NI1; - else if (!strcasecmp(v->value, "dms100")) - confp->pri.switchtype = PRI_SWITCH_DMS100; - else if (!strcasecmp(v->value, "4ess")) - confp->pri.switchtype = PRI_SWITCH_ATT4ESS; - else if (!strcasecmp(v->value, "5ess")) - confp->pri.switchtype = PRI_SWITCH_LUCENT5E; - else if (!strcasecmp(v->value, "euroisdn")) - confp->pri.switchtype = PRI_SWITCH_EUROISDN_E1; - else if (!strcasecmp(v->value, "qsig")) - confp->pri.switchtype = PRI_SWITCH_QSIG; - else { - ast_log(LOG_ERROR, "Unknown switchtype '%s'\n", v->value); - return -1; - } - } else if (!strcasecmp(v->name, "nsf")) { - if (!strcasecmp(v->value, "sdn")) - confp->pri.nsf = PRI_NSF_SDN; - else if (!strcasecmp(v->value, "megacom")) - confp->pri.nsf = PRI_NSF_MEGACOM; - else if (!strcasecmp(v->value, "tollfreemegacom")) - confp->pri.nsf = PRI_NSF_TOLL_FREE_MEGACOM; - else if (!strcasecmp(v->value, "accunet")) - confp->pri.nsf = PRI_NSF_ACCUNET; - else if (!strcasecmp(v->value, "none")) - confp->pri.nsf = PRI_NSF_NONE; - else { - ast_log(LOG_WARNING, "Unknown network-specific facility '%s'\n", v->value); - confp->pri.nsf = PRI_NSF_NONE; - } - } else if (!strcasecmp(v->name, "priindication")) { - if (!strcasecmp(v->value, "outofband")) - confp->chan.priindication_oob = 1; - else if (!strcasecmp(v->value, "inband")) - confp->chan.priindication_oob = 0; - else - ast_log(LOG_WARNING, "'%s' is not a valid pri indication value, should be 'inband' or 'outofband' at line %d\n", - v->value, v->lineno); - } else if (!strcasecmp(v->name, "priexclusive")) { - confp->chan.priexclusive = ast_true(v->value); - } else if (!strcasecmp(v->name, "internationalprefix")) { - ast_copy_string(confp->pri.internationalprefix, v->value, sizeof(confp->pri.internationalprefix)); - } else if (!strcasecmp(v->name, "nationalprefix")) { - ast_copy_string(confp->pri.nationalprefix, v->value, sizeof(confp->pri.nationalprefix)); - } else if (!strcasecmp(v->name, "localprefix")) { - ast_copy_string(confp->pri.localprefix, v->value, sizeof(confp->pri.localprefix)); - } else if (!strcasecmp(v->name, "privateprefix")) { - ast_copy_string(confp->pri.privateprefix, v->value, sizeof(confp->pri.privateprefix)); - } else if (!strcasecmp(v->name, "unknownprefix")) { - ast_copy_string(confp->pri.unknownprefix, v->value, sizeof(confp->pri.unknownprefix)); - } else if (!strcasecmp(v->name, "resetinterval")) { - if (!strcasecmp(v->value, "never")) - confp->pri.resetinterval = -1; - else if (atoi(v->value) >= 60) - confp->pri.resetinterval = atoi(v->value); - else - ast_log(LOG_WARNING, "'%s' is not a valid reset interval, should be >= 60 seconds or 'never' at line %d\n", - v->value, v->lineno); - } else if (!strcasecmp(v->name, "minunused")) { - confp->pri.minunused = atoi(v->value); - } else if (!strcasecmp(v->name, "minidle")) { - confp->pri.minidle = atoi(v->value); - } else if (!strcasecmp(v->name, "idleext")) { - ast_copy_string(confp->pri.idleext, v->value, sizeof(confp->pri.idleext)); - } else if (!strcasecmp(v->name, "idledial")) { - ast_copy_string(confp->pri.idledial, v->value, sizeof(confp->pri.idledial)); - } else if (!strcasecmp(v->name, "overlapdial")) { - confp->pri.overlapdial = ast_true(v->value); -#ifdef HAVE_PRI_INBANDDISCONNECT - } else if (!strcasecmp(v->name, "inbanddisconnect")) { - confp->pri.inbanddisconnect = ast_true(v->value); -#endif - } else if (!strcasecmp(v->name, "pritimer")) { -#ifdef PRI_GETSET_TIMERS - char *timerc, *c; - int timer, timeridx; - c = v->value; - timerc = strsep(&c, ","); - if (timerc) { - timer = atoi(c); - if (!timer) - ast_log(LOG_WARNING, "'%s' is not a valid value for an ISDN timer\n", timerc); - else { - if ((timeridx = pri_timer2idx(timerc)) >= 0) - pritimers[timeridx] = timer; - else - ast_log(LOG_WARNING, "'%s' is not a valid ISDN timer\n", timerc); - } - } else - ast_log(LOG_WARNING, "'%s' is not a valid ISDN timer configuration string\n", v->value); - - } else if (!strcasecmp(v->name, "facilityenable")) { - confp->pri.facilityenable = ast_true(v->value); -#endif /* PRI_GETSET_TIMERS */ -#endif /* HAVE_PRI */ - } else if (!strcasecmp(v->name, "cadence")) { - /* setup to scan our argument */ - int element_count, c[16] = {0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0}; - int i; - struct dahdi_ring_cadence new_cadence; - int cid_location = -1; - int firstcadencepos = 0; - char original_args[80]; - int cadence_is_ok = 1; - - ast_copy_string(original_args, v->value, sizeof(original_args)); - /* 16 cadences allowed (8 pairs) */ - element_count = sscanf(v->value, "%d,%d,%d,%d,%d,%d,%d,%d,%d,%d,%d,%d,%d,%d,%d,%d", &c[0], &c[1], &c[2], &c[3], &c[4], &c[5], &c[6], &c[7], &c[8], &c[9], &c[10], &c[11], &c[12], &c[13], &c[14], &c[15]); - - /* Cadence must be even (on/off) */ - if (element_count % 2 == 1) { - ast_log(LOG_ERROR, "Must be a silence duration for each ring duration: %s\n",original_args); - cadence_is_ok = 0; - } - - /* Ring cadences cannot be negative */ - for (i = 0; i < element_count; i++) { - if (c[i] == 0) { - ast_log(LOG_ERROR, "Ring or silence duration cannot be zero: %s\n", original_args); - cadence_is_ok = 0; - break; - } else if (c[i] < 0) { - if (i % 2 == 1) { - /* Silence duration, negative possibly okay */ - if (cid_location == -1) { - cid_location = i; - c[i] *= -1; - } else { - ast_log(LOG_ERROR, "CID location specified twice: %s\n",original_args); - cadence_is_ok = 0; - break; - } - } else { - if (firstcadencepos == 0) { - firstcadencepos = i; /* only recorded to avoid duplicate specification */ - /* duration will be passed negative to the DAHDI driver */ - } else { - ast_log(LOG_ERROR, "First cadence position specified twice: %s\n",original_args); - cadence_is_ok = 0; - break; - } - } - } - } - - /* Substitute our scanned cadence */ - for (i = 0; i < 16; i++) { - new_cadence.ringcadence[i] = c[i]; - } - - if (cadence_is_ok) { - /* ---we scanned it without getting annoyed; now some sanity checks--- */ - if (element_count < 2) { - ast_log(LOG_ERROR, "Minimum cadence is ring,pause: %s\n", original_args); - } else { - if (cid_location == -1) { - /* user didn't say; default to first pause */ - cid_location = 1; - } else { - /* convert element_index to cidrings value */ - cid_location = (cid_location + 1) / 2; - } - /* ---we like their cadence; try to install it--- */ - if (!user_has_defined_cadences++) - /* this is the first user-defined cadence; clear the default user cadences */ - num_cadence = 0; - if ((num_cadence+1) >= NUM_CADENCE_MAX) - ast_log(LOG_ERROR, "Already %d cadences; can't add another: %s\n", NUM_CADENCE_MAX, original_args); - else { - cadences[num_cadence] = new_cadence; - cidrings[num_cadence++] = cid_location; - if (option_verbose > 2) - ast_verbose(VERBOSE_PREFIX_3 "cadence 'r%d' added: %s\n",num_cadence,original_args); - } - } - } - } else if (!strcasecmp(v->name, "ringtimeout")) { - ringt_base = (atoi(v->value) * 8) / READ_SIZE; - } else if (!strcasecmp(v->name, "prewink")) { - confp->timing.prewinktime = atoi(v->value); - } else if (!strcasecmp(v->name, "preflash")) { - confp->timing.preflashtime = atoi(v->value); - } else if (!strcasecmp(v->name, "wink")) { - confp->timing.winktime = atoi(v->value); - } else if (!strcasecmp(v->name, "flash")) { - confp->timing.flashtime = atoi(v->value); - } else if (!strcasecmp(v->name, "start")) { - confp->timing.starttime = atoi(v->value); - } else if (!strcasecmp(v->name, "rxwink")) { - confp->timing.rxwinktime = atoi(v->value); - } else if (!strcasecmp(v->name, "rxflash")) { - confp->timing.rxflashtime = atoi(v->value); - } else if (!strcasecmp(v->name, "debounce")) { - confp->timing.debouncetime = atoi(v->value); - } else if (!strcasecmp(v->name, "toneduration")) { - int toneduration; - int ctlfd; - int res; - struct dahdi_dialparams dps; - - ctlfd = open(DAHDI_FILE_CTL, O_RDWR); - - if (ctlfd == -1) { - ast_log(LOG_ERROR, "Unable to open " DAHDI_FILE_CTL " to set toneduration\n"); - return -1; - } - - toneduration = atoi(v->value); - if (toneduration > -1) { - memset(&dps, 0, sizeof(dps)); - - dps.dtmf_tonelen = dps.mfv1_tonelen = toneduration; - res = ioctl(ctlfd, DAHDI_SET_DIALPARAMS, &dps); - if (res < 0) { - ast_log(LOG_ERROR, "Invalid tone duration: %d ms: %s\n", toneduration, strerror(errno)); - return -1; - } - } - close(ctlfd); - } else if (!strcasecmp(v->name, "defaultcic")) { - ast_copy_string(defaultcic, v->value, sizeof(defaultcic)); - } else if (!strcasecmp(v->name, "defaultozz")) { - ast_copy_string(defaultozz, v->value, sizeof(defaultozz)); - } - } else if (!skipchannels) - ast_log(LOG_WARNING, "Ignoring %s\n", v->name); - } - if (dahdichan[0]) { - /* The user has set 'dahdichan' */ - /*< \todo pass proper line number instead of 0 */ - if (build_channels(confp, 0, dahdichan, reload, 0, &found_pseudo)) { - return -1; - } - } - /*< \todo why check for the pseudo in the per-channel section. - * Any actual use for manual setup of the pseudo channel? */ - if (!found_pseudo && reload == 0) { - /* use the default configuration for a channel, so - that any settings from real configured channels - don't "leak" into the pseudo channel config - */ - struct dahdi_chan_conf conf = dahdi_chan_conf_default(); - - tmp = mkintf(CHAN_PSEUDO, &conf, NULL, reload); - - if (tmp) { - if (option_verbose > 2) - ast_verbose(VERBOSE_PREFIX_3 "Automatically generated pseudo channel\n"); - } else { - ast_log(LOG_WARNING, "Unable to register pseudo channel!\n"); - } - } - return 0; -} - -static int setup_dahdi(int reload) -{ - struct ast_config *cfg; - struct ast_variable *v; - struct dahdi_chan_conf conf = dahdi_chan_conf_default(); - int res; - -#ifdef HAVE_PRI - char *c; - int spanno; - int i, x; - int logicalspan; - int trunkgroup; - int dchannels[NUM_DCHANS]; -#endif - -#ifdef HAVE_ZAPTEL - int load_from_zapata_conf = 1; -#else - int load_from_zapata_conf = (dahdi_chan_mode == CHAN_ZAP_MODE); -#endif - - if (load_from_zapata_conf) { - if (!(cfg = ast_config_load("zapata.conf"))) { - ast_log(LOG_ERROR, "Unable to load zapata.conf\n"); - return 0; - } - } else { - if (!(cfg = ast_config_load("chan_dahdi.conf"))) { - ast_log(LOG_ERROR, "Unable to load chan_dahdi.conf\n"); - return 0; - } - } - - /* It's a little silly to lock it, but we mind as well just to be sure */ - ast_mutex_lock(&iflock); -#ifdef HAVE_PRI - if (reload != 1) { - /* Process trunkgroups first */ - v = ast_variable_browse(cfg, "trunkgroups"); - while (v) { - if (!strcasecmp(v->name, "trunkgroup")) { - trunkgroup = atoi(v->value); - if (trunkgroup > 0) { - if ((c = strchr(v->value, ','))) { - i = 0; - memset(dchannels, 0, sizeof(dchannels)); - while (c && (i < NUM_DCHANS)) { - dchannels[i] = atoi(c + 1); - if (dchannels[i] < 0) { - ast_log(LOG_WARNING, "D-channel for trunk group %d must be a postiive number at line %d of chan_dahdi.conf\n", trunkgroup, v->lineno); - } else - i++; - c = strchr(c + 1, ','); - } - if (i) { - if (pri_create_trunkgroup(trunkgroup, dchannels)) { - ast_log(LOG_WARNING, "Unable to create trunk group %d with Primary D-channel %d at line %d of chan_dahdi.conf\n", trunkgroup, dchannels[0], v->lineno); - } else if (option_verbose > 1) - ast_verbose(VERBOSE_PREFIX_2 "Created trunk group %d with Primary D-channel %d and %d backup%s\n", trunkgroup, dchannels[0], i - 1, (i == 1) ? "" : "s"); - } else - ast_log(LOG_WARNING, "Trunk group %d lacks any valid D-channels at line %d of chan_dahdi.conf\n", trunkgroup, v->lineno); - } else - ast_log(LOG_WARNING, "Trunk group %d lacks a primary D-channel at line %d of chan_dahdi.conf\n", trunkgroup, v->lineno); - } else - ast_log(LOG_WARNING, "Trunk group identifier must be a positive integer at line %d of chan_dahdi.conf\n", v->lineno); - } else if (!strcasecmp(v->name, "spanmap")) { - spanno = atoi(v->value); - if (spanno > 0) { - if ((c = strchr(v->value, ','))) { - trunkgroup = atoi(c + 1); - if (trunkgroup > 0) { - if ((c = strchr(c + 1, ','))) - logicalspan = atoi(c + 1); - else - logicalspan = 0; - if (logicalspan >= 0) { - if (pri_create_spanmap(spanno - 1, trunkgroup, logicalspan)) { - ast_log(LOG_WARNING, "Failed to map span %d to trunk group %d (logical span %d)\n", spanno, trunkgroup, logicalspan); - } else if (option_verbose > 1) - ast_verbose(VERBOSE_PREFIX_2 "Mapped span %d to trunk group %d (logical span %d)\n", spanno, trunkgroup, logicalspan); - } else - ast_log(LOG_WARNING, "Logical span must be a postive number, or '0' (for unspecified) at line %d of chan_dahdi.conf\n", v->lineno); - } else - ast_log(LOG_WARNING, "Trunk group must be a postive number at line %d of chan_dahdi.conf\n", v->lineno); - } else - ast_log(LOG_WARNING, "Missing trunk group for span map at line %d of chan_dahdi.conf\n", v->lineno); - } else - ast_log(LOG_WARNING, "Span number must be a postive integer at line %d of chan_dahdi.conf\n", v->lineno); - } else { - ast_log(LOG_NOTICE, "Ignoring unknown keyword '%s' in trunkgroups\n", v->name); - } - v = v->next; - } - } -#endif - - /* Copy the default jb config over global_jbconf */ - memcpy(&global_jbconf, &default_jbconf, sizeof(struct ast_jb_conf)); - - v = ast_variable_browse(cfg, "channels"); - res = process_dahdi(&conf, "", v, reload, 0); - ast_mutex_unlock(&iflock); - ast_config_destroy(cfg); - if (res) - return res; - cfg = ast_config_load("users.conf"); - if (cfg) { - char *cat; - const char *chans; - process_dahdi(&conf, "", ast_variable_browse(cfg, "general"), 1, 1); - for (cat = ast_category_browse(cfg, NULL); cat ; cat = ast_category_browse(cfg, cat)) { - if (!strcasecmp(cat, "general")) - continue; - chans = ast_variable_retrieve(cfg, cat, "dahdichan"); - if (!ast_strlen_zero(chans)) { - struct dahdi_chan_conf sect_conf; - memcpy(§_conf, &conf, sizeof(sect_conf)); - - process_dahdi(§_conf, cat, ast_variable_browse(cfg, cat), reload, 0); - } - } - ast_config_destroy(cfg); - } -#ifdef HAVE_PRI - if (reload != 1) { - for (x = 0; x < NUM_SPANS; x++) { - if (pris[x].pvts[0]) { - if (start_pri(pris + x)) { - ast_log(LOG_ERROR, "Unable to start D-channel on span %d\n", x + 1); - return -1; - } else if (option_verbose > 1) - ast_verbose(VERBOSE_PREFIX_2 "Starting D-Channel on span %d\n", x + 1); - } - } - } -#endif - /* And start the monitor for the first time */ - restart_monitor(); - return 0; -} - -#define local_astman_register(a, b, c, d) do { \ - if (*dahdi_chan_mode == CHAN_DAHDI_PLUS_ZAP_MODE) { \ - ast_manager_register("DAHDI" a, b, dahdi_ ## c, d); \ - } \ - ast_manager_register("Zap" a, b, zap_ ## c, d); \ - } while (0) - -static int load_module(void) -{ - int res; - -#ifdef HAVE_PRI - int y,i; - memset(pris, 0, sizeof(pris)); - for (y = 0; y < NUM_SPANS; y++) { - ast_mutex_init(&pris[y].lock); - pris[y].offset = -1; - pris[y].master = AST_PTHREADT_NULL; - for (i = 0; i < NUM_DCHANS; i++) - pris[y].fds[i] = -1; - } - pri_set_error(dahdi_pri_error); - pri_set_message(dahdi_pri_message); - if (*dahdi_chan_mode == CHAN_DAHDI_PLUS_ZAP_MODE) { - ast_register_application(dahdi_send_keypad_facility_app, dahdi_send_keypad_facility_exec, - dahdi_send_keypad_facility_synopsis, dahdi_send_keypad_facility_descrip); - } - ast_register_application(zap_send_keypad_facility_app, zap_send_keypad_facility_exec, - zap_send_keypad_facility_synopsis, zap_send_keypad_facility_descrip); -#endif - if ((res = setup_dahdi(0))) { - return AST_MODULE_LOAD_DECLINE; - } - if (*dahdi_chan_mode == CHAN_DAHDI_PLUS_ZAP_MODE) { - chan_tech = &dahdi_tech; - } else { - chan_tech = &zap_tech; - } - if (ast_channel_register(chan_tech)) { - ast_log(LOG_ERROR, "Unable to register channel class '%s'\n", chan_tech->type); - __unload_module(); - return -1; - } -#ifdef HAVE_PRI - ast_string_field_init(&inuse, 16); - ast_string_field_set(&inuse, name, "GR-303InUse"); - ast_cli_register_multiple(dahdi_pri_cli, sizeof(dahdi_pri_cli) / sizeof(struct ast_cli_entry)); -#endif - ast_cli_register_multiple(dahdi_cli, sizeof(dahdi_cli) / sizeof(struct ast_cli_entry)); - - memset(round_robin, 0, sizeof(round_robin)); - local_astman_register("Transfer", 0, action_transfer, "Transfer Channel"); - local_astman_register("Hangup", 0, action_transferhangup, "Hangup Channel"); - local_astman_register("DialOffHook", 0, action_dialoffhook, "Dial over channel while offhook"); - local_astman_register("DNDon", 0, action_dndon, "Toggle channel Do Not Disturb status ON"); - local_astman_register("DNDoff", 0, action_dndoff, "Toggle channel Do Not Disturb status OFF"); - local_astman_register("ShowChannels", 0, action_showchannels, "Show status channels"); - local_astman_register("Restart", 0, action_restart, "Fully Restart channels (terminates calls)"); - - ast_cond_init(&ss_thread_complete, NULL); - - return res; -} - -static int dahdi_sendtext(struct ast_channel *c, const char *text) -{ -#define END_SILENCE_LEN 400 -#define HEADER_MS 50 -#define TRAILER_MS 5 -#define HEADER_LEN ((HEADER_MS + TRAILER_MS) * 8) -#define ASCII_BYTES_PER_CHAR 80 - - unsigned char *buf,*mybuf; - struct dahdi_pvt *p = c->tech_pvt; - struct pollfd fds[1]; - int size,res,fd,len,x; - int bytes=0; - /* Initial carrier (imaginary) */ - float cr = 1.0; - float ci = 0.0; - float scont = 0.0; - int index; - - index = dahdi_get_index(c, p, 0); - if (index < 0) { - ast_log(LOG_WARNING, "Huh? I don't exist?\n"); - return -1; - } - if (!text[0]) return(0); /* if nothing to send, dont */ - if ((!p->tdd) && (!p->mate)) return(0); /* if not in TDD mode, just return */ - if (p->mate) - buf = ast_malloc(((strlen(text) + 1) * ASCII_BYTES_PER_CHAR) + END_SILENCE_LEN + HEADER_LEN); - else - buf = ast_malloc(((strlen(text) + 1) * TDD_BYTES_PER_CHAR) + END_SILENCE_LEN); - if (!buf) - return -1; - mybuf = buf; - if (p->mate) { - int codec = AST_LAW(p); - for (x = 0; x < HEADER_MS; x++) { /* 50 ms of Mark */ - PUT_CLID_MARKMS; - } - /* Put actual message */ - for (x = 0; text[x]; x++) { - PUT_CLID(text[x]); - } - for (x = 0; x < TRAILER_MS; x++) { /* 5 ms of Mark */ - PUT_CLID_MARKMS; - } - len = bytes; - buf = mybuf; - } else { - len = tdd_generate(p->tdd, buf, text); - if (len < 1) { - ast_log(LOG_ERROR, "TDD generate (len %d) failed!!\n", (int)strlen(text)); - free(mybuf); - return -1; - } - } - memset(buf + len, 0x7f, END_SILENCE_LEN); - len += END_SILENCE_LEN; - fd = p->subs[index].dfd; - while (len) { - if (ast_check_hangup(c)) { - free(mybuf); - return -1; - } - size = len; - if (size > READ_SIZE) - size = READ_SIZE; - fds[0].fd = fd; - fds[0].events = POLLOUT | POLLPRI; - fds[0].revents = 0; - res = poll(fds, 1, -1); - if (!res) { - ast_log(LOG_DEBUG, "poll (for write) ret. 0 on channel %d\n", p->channel); - continue; - } - /* if got exception */ - if (fds[0].revents & POLLPRI) { - ast_free(mybuf); - return -1; - } - if (!(fds[0].revents & POLLOUT)) { - ast_log(LOG_DEBUG, "write fd not ready on channel %d\n", p->channel); - continue; - } - res = write(fd, buf, size); - if (res != size) { - if (res == -1) { - free(mybuf); - return -1; - } - if (option_debug) - ast_log(LOG_DEBUG, "Write returned %d (%s) on channel %d\n", res, strerror(errno), p->channel); - break; - } - len -= size; - buf += size; - } - free(mybuf); - return(0); -} - - -static int reload(void) -{ - int res = 0; - - res = setup_dahdi(1); - if (res) { - ast_log(LOG_WARNING, "Reload of chan_dahdi.so is unsuccessful!\n"); - return -1; - } - return 0; -} - -/* This is a workaround so that menuselect displays a proper description - * AST_MODULE_INFO(, , "DAHDI Telephony" - */ - -#ifdef HAVE_PRI -#define tdesc "DAHDI Telephony w/PRI" -#else -#define tdesc "DAHDI Telephony" -#endif - -AST_MODULE_INFO(ASTERISK_GPL_KEY, AST_MODFLAG_DEFAULT, tdesc, - .load = load_module, - .unload = unload_module, - .reload = reload, - ); - - |