diff options
Diffstat (limited to 'trunk/channels/chan_vpb.cc')
| -rw-r--r-- | trunk/channels/chan_vpb.cc | 2899 |
1 files changed, 2899 insertions, 0 deletions
diff --git a/trunk/channels/chan_vpb.cc b/trunk/channels/chan_vpb.cc new file mode 100644 index 000000000..eee797b18 --- /dev/null +++ b/trunk/channels/chan_vpb.cc @@ -0,0 +1,2899 @@ +/* + * Asterisk -- An open source telephony toolkit. + * + * Copyright (C) 2003, Paul Bagyenda + * Paul Bagyenda <bagyenda@dsmagic.com> + * Copyright (C) 2004 - 2005, Ben Kramer + * Ben Kramer <ben@voicetronix.com.au> + * + * Daniel Bichara <daniel@bichara.com.br> - Brazilian CallerID detection (c)2004 + * + * Welber Silveira - welberms@magiclink.com.br - (c)2004 + * Copying CLID string to propper structure after detection + * + * 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 VoiceTronix Interface driver + * + * \ingroup channel_drivers + */ + +/*** MODULEINFO + <depend>vpbapi</depend> + ***/ + +extern "C" { + +#include "asterisk.h" + +ASTERISK_FILE_VERSION(__FILE__, "$Revision$") + +#include "asterisk/lock.h" +#include "asterisk/utils.h" +#include "asterisk/channel.h" +#include "asterisk/config.h" +#include "asterisk/module.h" +#include "asterisk/pbx.h" +#include "asterisk/callerid.h" +#include "asterisk/dsp.h" +#include "asterisk/features.h" +#include "asterisk/musiconhold.h" +} + +#include <sys/socket.h> +#include <sys/time.h> +#include <arpa/inet.h> +#include <fcntl.h> +#include <sys/ioctl.h> +#include <ctype.h> + +#include <vpbapi.h> +#include <assert.h> + +#ifdef pthread_create +#undef pthread_create +#endif + +#define DEFAULT_GAIN 0 +#define DEFAULT_ECHO_CANCEL 1 + +#define VPB_SAMPLES 160 +#define VPB_MAX_BUF VPB_SAMPLES*4 + AST_FRIENDLY_OFFSET + +#define VPB_NULL_EVENT 200 + +#define VPB_WAIT_TIMEOUT 4000 + +#define MAX_VPB_GAIN 12.0 +#define MIN_VPB_GAIN -12.0 + +#define DTMF_CALLERID +#define DTMF_CID_START 'D' +#define DTMF_CID_STOP 'C' + +/**/ +#if defined(__cplusplus) || defined(c_plusplus) + extern "C" { +#endif +/**/ + +static const char desc[] = "VoiceTronix V6PCI/V12PCI/V4PCI API Support"; +static const char tdesc[] = "Standard VoiceTronix API Driver"; +static const char config[] = "vpb.conf"; + +/* Default context for dialtone mode */ +static char context[AST_MAX_EXTENSION] = "default"; + +/* Default language */ +static char language[MAX_LANGUAGE] = ""; + +static int gruntdetect_timeout = 3600000; /* Grunt detect timeout is 1hr. */ + +static const int prefformat = AST_FORMAT_SLINEAR; + +/* Protect the interface list (of vpb_pvt's) */ +AST_MUTEX_DEFINE_STATIC(iflock); + +/* 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); + +/* 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; + +static int mthreadactive = -1; /* Flag for monitoring monitorthread.*/ + + +static int restart_monitor(void); + +/* The private structures of the VPB channels are + linked for selecting outgoing channels */ + +#define MODE_DIALTONE 1 +#define MODE_IMMEDIATE 2 +#define MODE_FXO 3 + +/* Pick a country or add your own! */ +/* These are the tones that are played to the user */ +#define TONES_AU +/* #define TONES_USA */ + +#ifdef TONES_AU +static VPB_TONE Dialtone = {440, 440, 440, -10, -10, -10, 5000, 0 }; +static VPB_TONE Busytone = {470, 0, 0, -10, -100, -100, 5000, 0 }; +static VPB_TONE Ringbacktone = {400, 50, 440, -10, -10, -10, 1400, 800 }; +#endif +#ifdef TONES_USA +static VPB_TONE Dialtone = {350, 440, 0, -16, -16, -100, 10000, 0}; +static VPB_TONE Busytone = {480, 620, 0, -10, -10, -100, 500, 500}; +static VPB_TONE Ringbacktone = {440, 480, 0, -20, -20, -100, 2000, 4000}; +#endif + +/* grunt tone defn's */ +#if 0 +static VPB_DETECT toned_grunt = { 3, VPB_GRUNT, 1, 2000, 3000, 0, 0, -40, 0, 0, 0, 40, { { VPB_DELAY, 1000, 0, 0 }, { VPB_RISING, 0, 40, 0 }, { 0, 100, 0, 0 } } }; +#endif +static VPB_DETECT toned_ungrunt = { 2, VPB_GRUNT, 1, 2000, 1, 0, 0, -40, 0, 0, 30, 40, { { 0, 0, 0, 0 } } }; + +/* Use loop polarity detection for CID */ +static int UsePolarityCID=0; + +/* Use loop drop detection */ +static int UseLoopDrop=1; + +/* To use or not to use Native bridging */ +static int UseNativeBridge=1; + +/* Use Asterisk Indication or VPB */ +static int use_ast_ind=0; + +/* Use Asterisk DTMF detection or VPB */ +static int use_ast_dtmfdet=0; + +static int relaxdtmf=0; + +/* Use Asterisk DTMF play back or VPB */ +static int use_ast_dtmf=0; + +/* Break for DTMF on native bridge ? */ +static int break_for_dtmf=1; + +/* Set EC suppression threshold */ +static int ec_supp_threshold=-1; + +/* Inter Digit Delay for collecting DTMF's */ +static int dtmf_idd = 3000; + +#define TIMER_PERIOD_RINGBACK 2000 +#define TIMER_PERIOD_BUSY 700 +#define TIMER_PERIOD_RING 4000 +static int timer_period_ring = TIMER_PERIOD_RING; + +#define VPB_EVENTS_ALL (VPB_MRING|VPB_MDIGIT|VPB_MDTMF|VPB_MTONEDETECT|VPB_MTIMEREXP|VPB_MPLAY_UNDERFLOW \ + |VPB_MRECORD_OVERFLOW|VPB_MSTATION_OFFHOOK|VPB_MSTATION_ONHOOK \ + |VPB_MRING_OFF|VPB_MDROP|VPB_MSTATION_FLASH) +#define VPB_EVENTS_NODROP (VPB_MRING|VPB_MDIGIT|VPB_MDTMF|VPB_MTONEDETECT|VPB_MTIMEREXP|VPB_MPLAY_UNDERFLOW \ + |VPB_MRECORD_OVERFLOW|VPB_MSTATION_OFFHOOK|VPB_MSTATION_ONHOOK \ + |VPB_MRING_OFF|VPB_MSTATION_FLASH) +#define VPB_EVENTS_NODTMF (VPB_MRING|VPB_MDIGIT|VPB_MTONEDETECT|VPB_MTIMEREXP|VPB_MPLAY_UNDERFLOW \ + |VPB_MRECORD_OVERFLOW|VPB_MSTATION_OFFHOOK|VPB_MSTATION_ONHOOK \ + |VPB_MRING_OFF|VPB_MDROP|VPB_MSTATION_FLASH) +#define VPB_EVENTS_STAT (VPB_MRING|VPB_MDIGIT|VPB_MDTMF|VPB_MTONEDETECT|VPB_MTIMEREXP|VPB_MPLAY_UNDERFLOW \ + |VPB_MRECORD_OVERFLOW|VPB_MSTATION_OFFHOOK|VPB_MSTATION_ONHOOK \ + |VPB_MRING_OFF|VPB_MSTATION_FLASH) + + +/* Dialing parameters for Australia */ +/* #define DIAL_WITH_CALL_PROGRESS */ +VPB_TONE_MAP DialToneMap[] = { { VPB_BUSY_AUST, VPB_CALL_DISCONNECT, 0 }, + { VPB_DIAL, VPB_CALL_DIALTONE, 0 }, + { VPB_RINGBACK_308, VPB_CALL_RINGBACK, 0 }, + { VPB_BUSY_AUST, VPB_CALL_BUSY, 0 }, + { VPB_GRUNT, VPB_CALL_GRUNT, 0 }, + { 0, 0, 1 } }; +#define VPB_DIALTONE_WAIT 2000 /* Wait up to 2s for a dialtone */ +#define VPB_RINGWAIT 4000 /* Wait up to 4s for ring tone after dialing */ +#define VPB_CONNECTED_WAIT 4000 /* If no ring tone detected for 4s then consider call connected */ +#define TIMER_PERIOD_NOANSWER 120000 /* Let it ring for 120s before deciding theres noone there */ + +#define MAX_BRIDGES_V4PCI 2 +#define MAX_BRIDGES_V12PCI 128 + +/* port states */ +#define VPB_STATE_ONHOOK 0 +#define VPB_STATE_OFFHOOK 1 +#define VPB_STATE_DIALLING 2 +#define VPB_STATE_JOINED 3 +#define VPB_STATE_GETDTMF 4 +#define VPB_STATE_PLAYDIAL 5 +#define VPB_STATE_PLAYBUSY 6 +#define VPB_STATE_PLAYRING 7 + +#define VPB_GOT_RXHWG 1 +#define VPB_GOT_TXHWG 2 +#define VPB_GOT_RXSWG 4 +#define VPB_GOT_TXSWG 8 + +typedef struct { + int inuse; + struct ast_channel *c0, *c1, **rc; + struct ast_frame **fo; + int flags; + ast_mutex_t lock; + ast_cond_t cond; + int endbridge; +} vpb_bridge_t; + +static vpb_bridge_t * bridges; +static int max_bridges = MAX_BRIDGES_V4PCI; + +AST_MUTEX_DEFINE_STATIC(bridge_lock); + +typedef enum { + vpb_model_unknown = 0, + vpb_model_v4pci, + vpb_model_v12pci +} vpb_model_t; + +static struct vpb_pvt { + + ast_mutex_t owner_lock; /* Protect blocks that expect ownership to remain the same */ + struct ast_channel *owner; /* Channel who owns us, possibly NULL */ + + int golock; /* Got owner lock ? */ + + int mode; /* fxo/imediate/dialtone*/ + int handle; /* Handle for vpb interface */ + + int state; /* used to keep port state (internal to driver) */ + + int group; /* Which group this port belongs to */ + ast_group_t callgroup; /* Call group */ + ast_group_t pickupgroup; /* Pickup group */ + + + char dev[256]; /* Device name, eg vpb/1-1 */ + vpb_model_t vpb_model; /* card model */ + + struct ast_frame f, fr; /* Asterisk frame interface */ + char buf[VPB_MAX_BUF]; /* Static buffer for reading frames */ + + int dialtone; /* NOT USED */ + float txgain, rxgain; /* Hardware gain control */ + float txswgain, rxswgain; /* Software gain control */ + + int wantdtmf; /* Waiting for DTMF. */ + char context[AST_MAX_EXTENSION]; /* The context for this channel */ + + char ext[AST_MAX_EXTENSION]; /* DTMF buffer for the ext[ens] */ + char language[MAX_LANGUAGE]; /* language being used */ + char callerid[AST_MAX_EXTENSION]; /* CallerId used for directly connected phone */ + int callerid_type; /* Caller ID type: 0=>none 1=>vpb 2=>AstV23 3=>AstBell */ + char cid_num[AST_MAX_EXTENSION]; + char cid_name[AST_MAX_EXTENSION]; + + int dtmf_caller_pos; /* DTMF CallerID detection (Brazil)*/ + + int lastoutput; /* Holds the last Audio format output'ed */ + int lastinput; /* Holds the last Audio format input'ed */ + int last_ignore_dtmf; + + void *busy_timer; /* Void pointer for busy vpb_timer */ + int busy_timer_id; /* unique timer ID for busy timer */ + + void *ringback_timer; /* Void pointer for ringback vpb_timer */ + int ringback_timer_id; /* unique timer ID for ringback timer */ + + void *ring_timer; /* Void pointer for ring vpb_timer */ + int ring_timer_id; /* unique timer ID for ring timer */ + + void *dtmfidd_timer; /* Void pointer for DTMF IDD vpb_timer */ + int dtmfidd_timer_id; /* unique timer ID for DTMF IDD timer */ + + struct ast_dsp *vad; /* AST Voice Activation Detection dsp */ + + struct timeval lastgrunt; /* time stamp of last grunt event */ + + ast_mutex_t lock; /* This one just protects bridge ptr below */ + vpb_bridge_t *bridge; + + int stopreads; /* Stop reading...*/ + int read_state; /* Read state */ + int chuck_count; /* a count of packets weve chucked away!*/ + pthread_t readthread; /* For monitoring read channel. One per owned channel. */ + + ast_mutex_t record_lock; /* This one prevents reentering a record_buf block */ + ast_mutex_t play_lock; /* This one prevents reentering a play_buf block */ + int play_buf_time; /* How long the last play_buf took */ + struct timeval lastplay; /* Last play time */ + + ast_mutex_t play_dtmf_lock; + char play_dtmf[16]; + + int faxhandled; /* has a fax tone been handled ? */ + + struct vpb_pvt *next; /* Next channel in list */ + +} *iflist = NULL; + +static struct ast_channel *vpb_new(struct vpb_pvt *i, enum ast_channel_state state, char *context); +static void *do_chanreads(void *pvt); +static struct ast_channel *vpb_request(const char *type, int format, void *data, int *cause); +static int vpb_digit_begin(struct ast_channel *ast, char digit); +static int vpb_digit_end(struct ast_channel *ast, char digit, unsigned int duration); +static int vpb_call(struct ast_channel *ast, char *dest, int timeout); +static int vpb_hangup(struct ast_channel *ast); +static int vpb_answer(struct ast_channel *ast); +static struct ast_frame *vpb_read(struct ast_channel *ast); +static int vpb_write(struct ast_channel *ast, struct ast_frame *frame); +static enum ast_bridge_result ast_vpb_bridge(struct ast_channel *c0, struct ast_channel *c1, int flags, struct ast_frame **fo, struct ast_channel **rc, int timeoutms); +static int vpb_indicate(struct ast_channel *ast, int condition, const void *data, size_t datalen); +static int vpb_fixup(struct ast_channel *oldchan, struct ast_channel *newchan); + +static struct ast_channel_tech vpb_tech = { + type: "vpb", + description: tdesc, + capabilities: AST_FORMAT_SLINEAR, + properties: 0, + requester: vpb_request, + devicestate: NULL, + send_digit_begin: vpb_digit_begin, + send_digit_end: vpb_digit_end, + call: vpb_call, + hangup: vpb_hangup, + answer: vpb_answer, + read: vpb_read, + write: vpb_write, + send_text: NULL, + send_image: NULL, + send_html: NULL, + exception: NULL, + bridge: ast_vpb_bridge, + indicate: vpb_indicate, + fixup: vpb_fixup, + setoption: NULL, + queryoption: NULL, + transfer: NULL, + write_video: NULL, + bridged_channel: NULL +}; + +static struct ast_channel_tech vpb_tech_indicate = { + type: "vpb", + description: tdesc, + capabilities: AST_FORMAT_SLINEAR, + properties: 0, + requester: vpb_request, + devicestate: NULL, + send_digit_begin: vpb_digit_begin, + send_digit_end: vpb_digit_end, + call: vpb_call, + hangup: vpb_hangup, + answer: vpb_answer, + read: vpb_read, + write: vpb_write, + send_text: NULL, + send_image: NULL, + send_html: NULL, + exception: NULL, + bridge: ast_vpb_bridge, + indicate: NULL, + fixup: vpb_fixup, + setoption: NULL, + queryoption: NULL, + transfer: NULL, + write_video: NULL, + bridged_channel: NULL +}; + +/* Can't get ast_vpb_bridge() working on v4pci without either a horrible +* high pitched feedback noise or bad hiss noise depending on gain settings +* Get asterisk to do the bridging +*/ +#define BAD_V4PCI_BRIDGE + +/* This one enables a half duplex bridge which may be required to prevent high pitched + * feedback when getting asterisk to do the bridging and when using certain gain settings. + */ +/* #define HALF_DUPLEX_BRIDGE */ + +/* This is the Native bridge code, which Asterisk will try before using its own bridging code */ +static enum ast_bridge_result ast_vpb_bridge(struct ast_channel *c0, struct ast_channel *c1, int flags, struct ast_frame **fo, struct ast_channel **rc, int timeoutms) +{ + struct vpb_pvt *p0 = (struct vpb_pvt *)c0->tech_pvt; + struct vpb_pvt *p1 = (struct vpb_pvt *)c1->tech_pvt; + int i; + int res; + struct ast_channel *cs[3]; + struct ast_channel *who; + struct ast_frame *f; + + cs[0] = c0; + cs[1] = c1; + + #ifdef BAD_V4PCI_BRIDGE + if(p0->vpb_model==vpb_model_v4pci) + return AST_BRIDGE_FAILED_NOWARN; + #endif + if ( UseNativeBridge != 1){ + return AST_BRIDGE_FAILED_NOWARN; + } + +/* + ast_mutex_lock(&p0->lock); + ast_mutex_lock(&p1->lock); +*/ + + /* Bridge channels, check if we can. I believe we always can, so find a slot.*/ + + ast_mutex_lock(&bridge_lock); { + for (i = 0; i < max_bridges; i++) + if (!bridges[i].inuse) + break; + if (i < max_bridges) { + bridges[i].inuse = 1; + bridges[i].endbridge = 0; + bridges[i].flags = flags; + bridges[i].rc = rc; + bridges[i].fo = fo; + bridges[i].c0 = c0; + bridges[i].c1 = c1; + } + } ast_mutex_unlock(&bridge_lock); + + if (i == max_bridges) { + ast_log(LOG_WARNING, "%s: vpb_bridge: Failed to bridge %s and %s!\n", p0->dev, c0->name, c1->name); + ast_mutex_unlock(&p0->lock); + ast_mutex_unlock(&p1->lock); + return AST_BRIDGE_FAILED_NOWARN; + } else { + /* Set bridge pointers. You don't want to take these locks while holding bridge lock.*/ + ast_mutex_lock(&p0->lock); { + p0->bridge = &bridges[i]; + } ast_mutex_unlock(&p0->lock); + + ast_mutex_lock(&p1->lock); { + p1->bridge = &bridges[i]; + } ast_mutex_unlock(&p1->lock); + + ast_verb(2, "%s: vpb_bridge: Bridging call entered with [%s, %s]\n",p0->dev, c0->name, c1->name); + } + + ast_verb(3, "Native bridging %s and %s\n", c0->name, c1->name); + + #ifdef HALF_DUPLEX_BRIDGE + + ast_verb(2, "%s: vpb_bridge: Starting half-duplex bridge [%s, %s]\n",p0->dev, c0->name, c1->name); + + int dir = 0; + + memset(p0->buf, 0, sizeof p0->buf); + memset(p1->buf, 0, sizeof p1->buf); + + vpb_record_buf_start(p0->handle, VPB_ALAW); + vpb_record_buf_start(p1->handle, VPB_ALAW); + + vpb_play_buf_start(p0->handle, VPB_ALAW); + vpb_play_buf_start(p1->handle, VPB_ALAW); + + while( !bridges[i].endbridge ) { + struct vpb_pvt *from, *to; + if(++dir%2) { + from = p0; + to = p1; + } else { + from = p1; + to = p0; + } + vpb_record_buf_sync(from->handle, from->buf, VPB_SAMPLES); + vpb_play_buf_sync(to->handle, from->buf, VPB_SAMPLES); + } + + vpb_record_buf_finish(p0->handle); + vpb_record_buf_finish(p1->handle); + + vpb_play_buf_finish(p0->handle); + vpb_play_buf_finish(p1->handle); + + ast_verb(2, "%s: vpb_bridge: Finished half-duplex bridge [%s, %s]\n",p0->dev, c0->name, c1->name); + + res = VPB_OK; + + #else + + res = vpb_bridge(p0->handle, p1->handle, VPB_BRIDGE_ON, i+1 /* resource 1 & 2 only for V4PCI*/ ); + if (res == VPB_OK) { + /* pthread_cond_wait(&bridges[i].cond, &bridges[i].lock);*/ /* Wait for condition signal. */ + while( !bridges[i].endbridge ) { + /* Are we really ment to be doing nothing ?!?! */ + who = ast_waitfor_n(cs, 2, &timeoutms); + if (!who) { + if (!timeoutms) { + res = AST_BRIDGE_RETRY; + break; + } + ast_debug(1, "%s: vpb_bridge: Empty frame read...\n",p0->dev); + /* check for hangup / whentohangup */ + if (ast_check_hangup(c0) || ast_check_hangup(c1)) + break; + continue; + } + f = ast_read(who); + if (!f || ((f->frametype == AST_FRAME_DTMF) && + (((who == c0) && (flags & AST_BRIDGE_DTMF_CHANNEL_0)) || + ((who == c1) && (flags & AST_BRIDGE_DTMF_CHANNEL_1))))) { + *fo = f; + *rc = who; + ast_debug(1, "%s: vpb_bridge: Got a [%s]\n",p0->dev, f ? "digit" : "hangup"); +/* + if ((c0->tech_pvt == pvt0) && (!ast_check_hangup(c0))) { + if (pr0->set_rtp_peer(c0, NULL, NULL, 0)) + ast_log(LOG_WARNING, "Channel '%s' failed to revert\n", c0->name); + } + if ((c1->tech_pvt == pvt1) && (!ast_check_hangup(c1))) { + if (pr1->set_rtp_peer(c1, NULL, NULL, 0)) + ast_log(LOG_WARNING, "Channel '%s' failed to revert back\n", c1->name); + } +*/ + /* That's all we needed */ + /*return 0; */ + /* Check if we need to break */ + if (break_for_dtmf){ + break; + } + else if ((f->frametype == AST_FRAME_DTMF) && ((f->subclass == '#')||(f->subclass == '*'))){ + break; + } + } else { + if ((f->frametype == AST_FRAME_DTMF) || + (f->frametype == AST_FRAME_VOICE) || + (f->frametype == AST_FRAME_VIDEO)) + { + /* Forward voice or DTMF frames if they happen upon us */ + /* Actually I dont think we want to forward on any frames! + if (who == c0) { + ast_write(c1, f); + } else if (who == c1) { + ast_write(c0, f); + } + */ + } + ast_frfree(f); + } + /* Swap priority not that it's a big deal at this point */ + cs[2] = cs[0]; + cs[0] = cs[1]; + cs[1] = cs[2]; + }; + vpb_bridge(p0->handle, p1->handle, VPB_BRIDGE_OFF, i+1 /* resource 1 & 2 only for V4PCI*/ ); + } + + #endif + + ast_mutex_lock(&bridge_lock); { + bridges[i].inuse = 0; + } ast_mutex_unlock(&bridge_lock); + + p0->bridge = NULL; + p1->bridge = NULL; + + + ast_verb(2, "Bridging call done with [%s, %s] => %d\n", c0->name, c1->name, res); + +/* + ast_mutex_unlock(&p0->lock); + ast_mutex_unlock(&p1->lock); +*/ + return (res==VPB_OK) ? AST_BRIDGE_COMPLETE : AST_BRIDGE_FAILED; +} + +/* Caller ID can be located in different positions between the rings depending on your Telco + * Australian (Telstra) callerid starts 700ms after 1st ring and finishes 1.5s after first ring + * Use ANALYSE_CID to record rings and determine location of callerid + */ +/* #define ANALYSE_CID */ +#define RING_SKIP 300 +#define CID_MSECS 2000 + +static void get_callerid(struct vpb_pvt *p) +{ + short buf[CID_MSECS*8]; /* 8kHz sampling rate */ + struct timeval cid_record_time; + int rc; + struct ast_channel *owner = p->owner; +/* + char callerid[AST_MAX_EXTENSION] = ""; +*/ +#ifdef ANALYSE_CID + void * ws; + char * file="cidsams.wav"; +#endif + + + if( ast_mutex_trylock(&p->record_lock) == 0 ) { + + cid_record_time = ast_tvnow(); + ast_verb(4, "CID record - start\n"); + + /* Skip any trailing ringtone */ + if (UsePolarityCID != 1){ + vpb_sleep(RING_SKIP); + } + + ast_verb(4, "CID record - skipped %dms trailing ring\n", + ast_tvdiff_ms(ast_tvnow(), cid_record_time)); + cid_record_time = ast_tvnow(); + + /* Record bit between the rings which contains the callerid */ + vpb_record_buf_start(p->handle, VPB_LINEAR); + rc = vpb_record_buf_sync(p->handle, (char*)buf, sizeof(buf)); + vpb_record_buf_finish(p->handle); +#ifdef ANALYSE_CID + vpb_wave_open_write(&ws, file, VPB_LINEAR); + vpb_wave_write(ws,(char*)buf,sizeof(buf)); + vpb_wave_close_write(ws); +#endif + + ast_verb(4, "CID record - recorded %dms between rings\n", + ast_tvdiff_ms(ast_tvnow(), cid_record_time)); + + ast_mutex_unlock(&p->record_lock); + + if( rc != VPB_OK ) { + ast_log(LOG_ERROR, "Failed to record caller id sample on %s\n", p->dev ); + return; + } + + VPB_CID *cli_struct = new VPB_CID; + cli_struct->ra_cldn[0]=0; + cli_struct->ra_cn[0]=0; + /* This decodes FSK 1200baud type callerid */ + if ((rc=vpb_cid_decode2(cli_struct, buf, CID_MSECS*8)) == VPB_OK ) { + /* + if (owner->cid.cid_num) + ast_free(owner->cid.cid_num); + owner->cid.cid_num=NULL; + if (owner->cid.cid_name) + ast_free(owner->cid.cid_name); + owner->cid.cid_name=NULL; + */ + + if (cli_struct->ra_cldn[0]=='\0'){ + /* + owner->cid.cid_num = ast_strdup(cli_struct->cldn); + owner->cid.cid_name = ast_strdup(cli_struct->cn); + */ + if (owner){ + ast_set_callerid(owner, cli_struct->cldn, cli_struct->cn, cli_struct->cldn); + } else { + strcpy(p->cid_num, cli_struct->cldn); + strcpy(p->cid_name, cli_struct->cn); + + } + ast_verb(4, "CID record - got [%s] [%s]\n",owner->cid.cid_num,owner->cid.cid_name ); + snprintf(p->callerid,sizeof(p->callerid)-1,"%s %s",cli_struct->cldn,cli_struct->cn); + } + else { + ast_log(LOG_ERROR,"CID record - No caller id avalable on %s \n", p->dev); + } + + } else { + ast_log(LOG_ERROR, "CID record - Failed to decode caller id on %s - %s\n", p->dev, vpb_strerror(rc) ); + strncpy(p->callerid,"unknown", sizeof(p->callerid) - 1); + } + delete cli_struct; + + } else + ast_log(LOG_ERROR, "CID record - Failed to set record mode for caller id on %s\n", p->dev ); +} + +static void get_callerid_ast(struct vpb_pvt *p) +{ + struct callerid_state *cs; + char buf[1024]; + char *name=NULL, *number=NULL; + int flags; + int rc=0,vrc; + int sam_count=0; + struct ast_channel *owner = p->owner; + int which_cid; +/* + float old_gain; +*/ +#ifdef ANALYSE_CID + void * ws; + char * file="cidsams.wav"; +#endif + + if(p->callerid_type == 1) { + ast_verb(4, "Collected caller ID already\n"); + return; + } + else if(p->callerid_type == 2 ) { + which_cid=CID_SIG_V23; + ast_verb(4, "Collecting Caller ID v23...\n"); + } + else if(p->callerid_type == 3) { + which_cid=CID_SIG_BELL; + ast_verb(4, "Collecting Caller ID bell...\n"); + } + else { + ast_verb(4, "Caller ID disabled\n"); + return; + } +/* vpb_sleep(RING_SKIP); */ +/* vpb_record_get_gain(p->handle, &old_gain); */ + cs = callerid_new(which_cid); + if (cs){ +#ifdef ANALYSE_CID + vpb_wave_open_write(&ws, file, VPB_MULAW); + vpb_record_set_gain(p->handle, 3.0); + vpb_record_set_hw_gain(p->handle,12.0); +#endif + vpb_record_buf_start(p->handle, VPB_MULAW); + while((rc == 0)&&(sam_count<8000*3)){ + vrc = vpb_record_buf_sync(p->handle, (char*)buf, sizeof(buf)); + if (vrc != VPB_OK) + ast_log(LOG_ERROR, "%s: Caller ID couldnt read audio buffer!\n",p->dev); + rc = callerid_feed(cs,(unsigned char *)buf,sizeof(buf),AST_FORMAT_ULAW); +#ifdef ANALYSE_CID + vpb_wave_write(ws,(char*)buf,sizeof(buf)); +#endif + sam_count+=sizeof(buf); + ast_verb(4, "Collecting Caller ID samples [%d][%d]...\n",sam_count,rc); + } + vpb_record_buf_finish(p->handle); +#ifdef ANALYSE_CID + vpb_wave_close_write(ws); +#endif + if (rc == 1){ + callerid_get(cs, &name, &number, &flags); + ast_verb(1, "%s: Caller ID name [%s] number [%s] flags [%d]\n",p->dev,name, number,flags); + } + else { + ast_log(LOG_ERROR, "%s: Failed to decode Caller ID \n", p->dev ); + } +/* vpb_record_set_gain(p->handle, old_gain); */ +/* vpb_record_set_hw_gain(p->handle,6.0); */ + } + else { + ast_log(LOG_ERROR, "%s: Failed to create Caller ID struct\n", p->dev ); + } + if (owner->cid.cid_num) { + ast_free(owner->cid.cid_num); + owner->cid.cid_num = NULL; + } + if (owner->cid.cid_name) { + ast_free(owner->cid.cid_name); + owner->cid.cid_name = NULL; + } + if (number) + ast_shrink_phone_number(number); + ast_set_callerid(owner, + number, name, + owner->cid.cid_ani ? NULL : number); + if (!ast_strlen_zero(name)){ + snprintf(p->callerid,(sizeof(p->callerid)-1),"%s %s",number,name); + } else { + snprintf(p->callerid,(sizeof(p->callerid)-1),"%s",number); + } + if (cs) + callerid_free(cs); +} + +/* Terminate any tones we are presently playing */ +static void stoptone( int handle) +{ + int ret; + VPB_EVENT je; + while(vpb_playtone_state(handle)!=VPB_OK){ + vpb_tone_terminate(handle); + ret = vpb_get_event_ch_async(handle,&je); + if ((ret == VPB_OK)&&(je.type != VPB_DIALEND)){ + ast_verb(4, "Stop tone collected a wrong event!![%d]\n",je.type); +/* vpb_put_event(&je); */ + } + vpb_sleep(10); + } +} + +/* Safe vpb_playtone_async */ +static int playtone( int handle, VPB_TONE *tone) +{ + int ret=VPB_OK; + stoptone(handle); + ast_verb(4, "[%02d]: Playing tone\n", handle); + ret = vpb_playtone_async(handle, tone); + return ret; +} + +static inline int monitor_handle_owned(struct vpb_pvt *p, VPB_EVENT *e) +{ + struct ast_frame f = {AST_FRAME_CONTROL}; /* default is control, Clear rest. */ + int endbridge = 0; + int res=0; + + ast_verb(4, "%s: handle_owned: got event: [%d=>%d]\n", p->dev, e->type, e->data); + + f.src = "vpb"; + switch (e->type) { + case VPB_RING: + if (p->mode == MODE_FXO) { + f.subclass = AST_CONTROL_RING; + vpb_timer_stop(p->ring_timer); + vpb_timer_start(p->ring_timer); + } else + f.frametype = AST_FRAME_NULL; /* ignore ring on station port. */ + break; + + case VPB_RING_OFF: + f.frametype = AST_FRAME_NULL; + break; + + case VPB_TIMEREXP: + if (e->data == p->busy_timer_id) { + playtone(p->handle,&Busytone); + p->state = VPB_STATE_PLAYBUSY; + vpb_timer_stop(p->busy_timer); + vpb_timer_start(p->busy_timer); + f.frametype = AST_FRAME_NULL; + } else if (e->data == p->ringback_timer_id) { + playtone(p->handle, &Ringbacktone); + vpb_timer_stop(p->ringback_timer); + vpb_timer_start(p->ringback_timer); + f.frametype = AST_FRAME_NULL; + } else if (e->data == p->ring_timer_id) { + /* We didnt get another ring in time! */ + if (p->owner->_state != AST_STATE_UP) { + /* Assume caller has hung up */ + vpb_timer_stop(p->ring_timer); + f.subclass = AST_CONTROL_HANGUP; + } else { + vpb_timer_stop(p->ring_timer); + f.frametype = AST_FRAME_NULL; + } + + } else { + f.frametype = AST_FRAME_NULL; /* Ignore. */ + } + break; + + case VPB_DTMF_DOWN: + case VPB_DTMF: + if (use_ast_dtmfdet){ + f.frametype = AST_FRAME_NULL; + } else if (p->owner->_state == AST_STATE_UP) { + f.frametype = AST_FRAME_DTMF; + f.subclass = e->data; + } else + f.frametype = AST_FRAME_NULL; + break; + + case VPB_TONEDETECT: + if (e->data == VPB_BUSY || e->data == VPB_BUSY_308 || e->data == VPB_BUSY_AUST ) { + ast_verb(4, "%s: handle_owned: got event: BUSY\n", p->dev); + if (p->owner->_state == AST_STATE_UP) { + f.subclass = AST_CONTROL_HANGUP; + } + else { + f.subclass = AST_CONTROL_BUSY; + } + } + else if (e->data == VPB_FAX){ + if (!p->faxhandled){ + if (strcmp(p->owner->exten, "fax")) { + const char *target_context = S_OR(p->owner->macrocontext, p->owner->context); + + if (ast_exists_extension(p->owner, target_context, "fax", 1, p->owner->cid.cid_num)) { + ast_verb(3, "Redirecting %s to fax extension\n", p->owner->name); + /* Save the DID/DNIS when we transfer the fax call to a "fax" extension */ + pbx_builtin_setvar_helper(p->owner, "FAXEXTEN", p->owner->exten); + if (ast_async_goto(p->owner, target_context, "fax", 1)) + ast_log(LOG_WARNING, "Failed to async goto '%s' into fax of '%s'\n", p->owner->name, target_context); + } else + ast_log(LOG_NOTICE, "Fax detected, but no fax extension\n"); + } else + ast_debug(1, "Already in a fax extension, not redirecting\n"); + } else + ast_debug(1, "Fax already handled\n"); + + } + else if (e->data == VPB_GRUNT) { + if ( ast_tvdiff_ms(ast_tvnow(), p->lastgrunt) > gruntdetect_timeout ) { + /* Nothing heard on line for a very long time + * Timeout connection */ + ast_verb(3, "grunt timeout\n"); + ast_log(LOG_NOTICE,"%s: Line hangup due of lack of conversation\n",p->dev); + f.subclass = AST_CONTROL_HANGUP; + } else { + p->lastgrunt = ast_tvnow(); + f.frametype = AST_FRAME_NULL; + } + } + else { + f.frametype = AST_FRAME_NULL; + } + break; + + case VPB_CALLEND: + #ifdef DIAL_WITH_CALL_PROGRESS + if (e->data == VPB_CALL_CONNECTED) + f.subclass = AST_CONTROL_ANSWER; + else if (e->data == VPB_CALL_NO_DIAL_TONE || e->data == VPB_CALL_NO_RING_BACK) + f.subclass = AST_CONTROL_CONGESTION; + else if (e->data == VPB_CALL_NO_ANSWER || e->data == VPB_CALL_BUSY) + f.subclass = AST_CONTROL_BUSY; + else if (e->data == VPB_CALL_DISCONNECTED) + f.subclass = AST_CONTROL_HANGUP; + #else + ast_log(LOG_NOTICE,"%s: Got call progress callback but blind dialing \n", p->dev); + f.frametype = AST_FRAME_NULL; + #endif + break; + + case VPB_STATION_OFFHOOK: + f.subclass = AST_CONTROL_ANSWER; + break; + + case VPB_DROP: + if ((p->mode == MODE_FXO)&&(UseLoopDrop)){ /* ignore loop drop on stations */ + if (p->owner->_state == AST_STATE_UP) + f.subclass = AST_CONTROL_HANGUP; + else + f.frametype = AST_FRAME_NULL; + } + break; + case VPB_LOOP_ONHOOK: + if (p->owner->_state == AST_STATE_UP) + f.subclass = AST_CONTROL_HANGUP; + else + f.frametype = AST_FRAME_NULL; + break; + case VPB_STATION_ONHOOK: + f.subclass = AST_CONTROL_HANGUP; + break; + + case VPB_STATION_FLASH: + f.subclass = AST_CONTROL_FLASH; + break; + + /* Called when dialing has finished and ringing starts + * No indication that call has really been answered when using blind dialing + */ + case VPB_DIALEND: + if (p->state < 5){ + f.subclass = AST_CONTROL_ANSWER; + ast_verb(2, "%s: Dialend\n", p->dev); + } else { + f.frametype = AST_FRAME_NULL; + } + break; + + case VPB_PLAY_UNDERFLOW: + f.frametype = AST_FRAME_NULL; + vpb_reset_play_fifo_alarm(p->handle); + break; + + case VPB_RECORD_OVERFLOW: + f.frametype = AST_FRAME_NULL; + vpb_reset_record_fifo_alarm(p->handle); + break; + + default: + f.frametype = AST_FRAME_NULL; + break; + } + +/* + ast_verb(4, "%s: LOCKING in handle_owned [%d]\n", p->dev,res); + res = ast_mutex_lock(&p->lock); + ast_verb(4, "%s: LOCKING count[%d] owner[%d] \n", p->dev, p->lock.__m_count,p->lock.__m_owner); +*/ + { + if (p->bridge) { /* Check what happened, see if we need to report it. */ + switch (f.frametype) { + case AST_FRAME_DTMF: + if ( !(p->bridge->c0 == p->owner && + (p->bridge->flags & AST_BRIDGE_DTMF_CHANNEL_0) ) && + !(p->bridge->c1 == p->owner && + (p->bridge->flags & AST_BRIDGE_DTMF_CHANNEL_1) )) + /* Kill bridge, this is interesting. */ + endbridge = 1; + break; + + case AST_FRAME_CONTROL: + if (!(p->bridge->flags & AST_BRIDGE_IGNORE_SIGS)) + #if 0 + if (f.subclass == AST_CONTROL_BUSY || + f.subclass == AST_CONTROL_CONGESTION || + f.subclass == AST_CONTROL_HANGUP || + f.subclass == AST_CONTROL_FLASH) + #endif + endbridge = 1; + break; + + default: + break; + } + if (endbridge) { + if (p->bridge->fo) + *p->bridge->fo = ast_frisolate(&f); + if (p->bridge->rc) + *p->bridge->rc = p->owner; + + ast_mutex_lock(&p->bridge->lock); { + p->bridge->endbridge = 1; + ast_cond_signal(&p->bridge->cond); + } ast_mutex_unlock(&p->bridge->lock); + } + } + } + + if (endbridge){ + res = ast_mutex_unlock(&p->lock); +/* + ast_verb(4, "%s: unLOCKING in handle_owned [%d]\n", p->dev,res); +*/ + return 0; + } + + ast_verb(4, "%s: handle_owned: Prepared frame type[%d]subclass[%d], bridge=%p owner=[%s]\n", + p->dev, f.frametype, f.subclass, (void *)p->bridge, p->owner->name); + + /* Trylock used here to avoid deadlock that can occur if we + * happen to be in here handling an event when hangup is called + * Problem is that hangup holds p->owner->lock + */ + if ((f.frametype >= 0)&& (f.frametype != AST_FRAME_NULL)&&(p->owner)) { + if (ast_mutex_trylock(&p->owner->lock)==0) { + ast_queue_frame(p->owner, &f); + ast_mutex_unlock(&p->owner->lock); + ast_verb(4, "%s: handled_owned: Queued Frame to [%s]\n", p->dev,p->owner->name); + } else { + ast_verbose("%s: handled_owned: Missed event %d/%d \n", + p->dev,f.frametype, f.subclass); + } + } + res = ast_mutex_unlock(&p->lock); +/* + ast_verb(4, "%s: unLOCKING in handle_owned [%d]\n", p->dev,res); +*/ + + return 0; +} + +static inline int monitor_handle_notowned(struct vpb_pvt *p, VPB_EVENT *e) +{ + char s[2] = {0}; + struct ast_channel *owner = p->owner; + char cid_num[256]; + char cid_name[256]; +/* + struct ast_channel *c; +*/ + + char str[VPB_MAX_STR]; + vpb_translate_event(e, str); + ast_verb(4, "%s: handle_notowned: mode=%d, event[%d][%s]=[%d]\n", p->dev, p->mode, e->type,str, e->data); + + switch(e->type) { + case VPB_LOOP_ONHOOK: + case VPB_LOOP_POLARITY: + if (UsePolarityCID == 1){ + ast_verb(4, "Polarity reversal\n"); + if(p->callerid_type == 1) { + ast_verb(4, "Using VPB Caller ID\n"); + get_callerid(p); /* UK CID before 1st ring*/ + } +/* get_callerid_ast(p); */ /* Caller ID using the ast functions */ + } + break; + case VPB_RING: + if (p->mode == MODE_FXO) /* FXO port ring, start * */ { + vpb_new(p, AST_STATE_RING, p->context); + if (UsePolarityCID != 1){ + if(p->callerid_type == 1) { + ast_verb(4, "Using VPB Caller ID\n"); + get_callerid(p); /* Australian CID only between 1st and 2nd ring */ + } + get_callerid_ast(p); /* Caller ID using the ast functions */ + } + else { + ast_log(LOG_ERROR, "Setting caller ID: %s %s\n",p->cid_num, p->cid_name); + ast_set_callerid(p->owner, p->cid_num, p->cid_name, p->cid_num); + p->cid_num[0]=0; + p->cid_name[0]=0; + } + + vpb_timer_stop(p->ring_timer); + vpb_timer_start(p->ring_timer); + } + break; + + case VPB_RING_OFF: + break; + + case VPB_STATION_OFFHOOK: + if (p->mode == MODE_IMMEDIATE) + vpb_new(p,AST_STATE_RING, p->context); + else { + ast_verb(4, "%s: handle_notowned: playing dialtone\n",p->dev); + playtone(p->handle, &Dialtone); + p->state=VPB_STATE_PLAYDIAL; + p->wantdtmf = 1; + p->ext[0] = 0; /* Just to be sure & paranoid.*/ + } + break; + + case VPB_DIALEND: + if (p->mode == MODE_DIALTONE){ + if (p->state == VPB_STATE_PLAYDIAL) { + playtone(p->handle, &Dialtone); + p->wantdtmf = 1; + p->ext[0] = 0; /* Just to be sure & paranoid. */ + } + /* These are not needed as they have timers to restart them + else if (p->state == VPB_STATE_PLAYBUSY) { + playtone(p->handle, &Busytone); + p->wantdtmf = 1; + p->ext[0] = 0; + } + else if (p->state == VPB_STATE_PLAYRING) { + playtone(p->handle, &Ringbacktone); + p->wantdtmf = 1; + p->ext[0] = 0; + } + */ + } else { + ast_verb(4, "%s: handle_notowned: Got a DIALEND when not really expected\n",p->dev); + } + break; + + case VPB_STATION_ONHOOK: /* clear ext */ + stoptone(p->handle); + p->wantdtmf = 1 ; + p->ext[0] = 0; + p->state=VPB_STATE_ONHOOK; + break; + case VPB_TIMEREXP: + if (e->data == p->dtmfidd_timer_id) { + if (ast_exists_extension(NULL, p->context, p->ext, 1, p->callerid)){ + ast_verb(4, "%s: handle_notowned: DTMF IDD timer out, matching on [%s] in [%s]\n", p->dev,p->ext , p->context); + + vpb_new(p,AST_STATE_RING, p->context); + } + } else if (e->data == p->ring_timer_id) { + /* We didnt get another ring in time! */ + if (p->owner){ + if (p->owner->_state != AST_STATE_UP) { + /* Assume caller has hung up */ + vpb_timer_stop(p->ring_timer); + } + } else { + /* No owner any more, Assume caller has hung up */ + vpb_timer_stop(p->ring_timer); + } + } + break; + + case VPB_DTMF: + if (p->state == VPB_STATE_ONHOOK){ + /* DTMF's being passed while on-hook maybe Caller ID */ + if ( p->mode == MODE_FXO ) { + if ( e->data == DTMF_CID_START ) { /* CallerID Start signal */ + p->dtmf_caller_pos = 0; /* Leaves the first digit out */ + memset(p->callerid,0,AST_MAX_EXTENSION); + } + else if ( e->data == DTMF_CID_STOP ) { /* CallerID End signal */ + p->callerid[p->dtmf_caller_pos] = '\0'; + ast_verb(3, " %s: DTMF CallerID %s\n",p->dev,p->callerid); + if (owner){ + /* + if (owner->cid.cid_num) + ast_free(owner->cid.cid_num); + owner->cid.cid_num=NULL; + if (owner->cid.cid_name) + ast_free(owner->cid.cid_name); + owner->cid.cid_name=NULL; + owner->cid.cid_num = strdup(p->callerid); + */ + cid_name[0] = '\0'; + cid_num[0] = '\0'; + ast_callerid_split(p->callerid, cid_name, sizeof(cid_name), cid_num, sizeof(cid_num)); + ast_set_callerid(owner, cid_num, cid_name, cid_num); + + } else + ast_verb(3, " %s: DTMF CallerID: no owner to assign CID \n",p->dev); + } else if ( p->dtmf_caller_pos < AST_MAX_EXTENSION ) { + if ( p->dtmf_caller_pos >= 0 ) + p->callerid[p->dtmf_caller_pos] = e->data; + p->dtmf_caller_pos++; + } + } + break; + } + if (p->wantdtmf == 1) { + stoptone(p->handle); + p->wantdtmf = 0; + } + p->state=VPB_STATE_GETDTMF; + s[0] = e->data; + strncat(p->ext, s, sizeof(p->ext) - strlen(p->ext) - 1); + #if 0 + if (!strcmp(p->ext,ast_pickup_ext())) { + /* Call pickup has been dialled! */ + if (ast_pickup_call(c)) { + /* Call pickup wasnt possible */ + } + } + else + #endif + if (ast_exists_extension(NULL, p->context, p->ext, 1, p->callerid)){ + if ( ast_canmatch_extension(NULL, p->context, p->ext, 1, p->callerid)){ + ast_verb(4, "%s: handle_notowned: Multiple matches on [%s] in [%s]\n", p->dev,p->ext , p->context); + /* Start DTMF IDD timer */ + vpb_timer_stop(p->dtmfidd_timer); + vpb_timer_start(p->dtmfidd_timer); + } + else { + ast_verb(4, "%s: handle_notowned: Matched on [%s] in [%s]\n", p->dev,p->ext , p->context); + vpb_new(p,AST_STATE_UP, p->context); + } + } else if (!ast_canmatch_extension(NULL, p->context, p->ext, 1, p->callerid)){ + if (ast_exists_extension(NULL, "default", p->ext, 1, p->callerid)) { + vpb_new(p,AST_STATE_UP, "default"); + } else if (!ast_canmatch_extension(NULL, "default", p->ext, 1, p->callerid)) { + ast_verb(4, "%s: handle_notowned: can't match anything in %s or default\n", p->dev, p->context); + playtone(p->handle, &Busytone); + vpb_timer_stop(p->busy_timer); + vpb_timer_start(p->busy_timer); + p->state = VPB_STATE_PLAYBUSY; + } + } + break; + + default: + /* Ignore.*/ + break; + } + + ast_verb(4, "%s: handle_notowned: mode=%d, [%d=>%d]\n", p->dev, p->mode, e->type, e->data); + + return 0; +} + +static void *do_monitor(void *unused) +{ + + /* Monitor thread, doesn't die until explicitly killed. */ + + ast_verb(2, "Starting vpb monitor thread[%ld]\n", + pthread_self()); + + pthread_setcanceltype(PTHREAD_CANCEL_ASYNCHRONOUS, NULL); + + for(;;) { + VPB_EVENT e; + VPB_EVENT je; + char str[VPB_MAX_STR]; + struct vpb_pvt *p; + + /* + ast_verb(4, "Monitor waiting for event\n"); + */ + + int res = vpb_get_event_sync(&e, VPB_WAIT_TIMEOUT); + if( (res==VPB_NO_EVENTS) || (res==VPB_TIME_OUT) ){ + /* + if (res == VPB_NO_EVENTS){ + ast_verb(4, "No events....\n"); + } else { + ast_verb(4, "No events, timed out....\n"); + } + */ + continue; + } + + if (res != VPB_OK) { + ast_log(LOG_ERROR,"Monitor get event error %s\n", vpb_strerror(res) ); + ast_verbose("Monitor get event error %s\n", vpb_strerror(res) ); + continue; + } + + str[0] = 0; + + p = NULL; + + ast_mutex_lock(&monlock); { + //XXX useless braces, remove them and fix indenting + if (e.type == VPB_NULL_EVENT) + ast_verb(4, "Monitor got null event\n"); + else { + vpb_translate_event(&e, str); + if (strlen(str)>1){ + str[(strlen(str)-1)]='\0'; + } + + ast_mutex_lock(&iflock); { + p = iflist; + while (p && p->handle != e.handle) + p = p->next; + } ast_mutex_unlock(&iflock); + + if (p) + ast_verb(4, "%s: Event [%d=>%s] \n", + p ? p->dev : "null", e.type, str ); + } + + } ast_mutex_unlock(&monlock); + + if (!p) { + if (e.type != VPB_NULL_EVENT){ + ast_log(LOG_WARNING, "Got event [%s][%d], no matching iface!\n", str,e.type); + ast_verb(4, "vpb/ERR: No interface for Event [%d=>%s] \n",e.type,str ); + } + continue; + } + + /* flush the event from the channel event Q */ + vpb_get_event_ch_async(e.handle,&je); + vpb_translate_event(&je, str); + ast_verb(5, "%s: Flushing event [%d]=>%s\n",p->dev,je.type,str); + + /* Check for ownership and locks */ + if ((p->owner)&&(!p->golock)){ + /* Need to get owner lock */ + /* Safely grab both p->lock and p->owner->lock so that there + cannot be a race with something from the other side */ + /* + ast_mutex_lock(&p->lock); + while(ast_mutex_trylock(&p->owner->lock)) { + ast_mutex_unlock(&p->lock); + usleep(1); + ast_mutex_lock(&p->lock); + if (!p->owner) + break; + } + if (p->owner) + p->golock=1; + */ + } + /* Two scenarios: Are you owned or not. */ + if (p->owner) { + monitor_handle_owned(p, &e); + } else { + monitor_handle_notowned(p, &e); + } + /* if ((!p->owner)&&(p->golock)){ + ast_mutex_unlock(&p->owner->lock); + ast_mutex_unlock(&p->lock); + } + */ + + } + + return NULL; +} + +static int restart_monitor(void) +{ + int error = 0; + + /* If we're supposed to be stopped -- stay stopped */ + if (mthreadactive == -2) + return 0; + + ast_verb(4, "Restarting monitor\n"); + + ast_mutex_lock(&monlock); { + if (monitor_thread == pthread_self()) { + ast_log(LOG_WARNING, "Cannot kill myself\n"); + error = -1; + ast_verb(4, "Monitor trying to kill monitor\n"); + } + else { + if (mthreadactive != -1) { + /* Why do other drivers kill the thread? No need says I, simply awake thread with event. */ + VPB_EVENT e; + e.handle = 0; + e.type = VPB_NULL_EVENT; + e.data = 0; + + ast_verb(4, "Trying to reawake monitor\n"); + + vpb_put_event(&e); + } else { + /* Start a new monitor */ + int pid = ast_pthread_create(&monitor_thread, NULL, do_monitor, NULL); + ast_verb(4, "Created new monitor thread %d\n",pid); + if (pid < 0) { + ast_log(LOG_ERROR, "Unable to start monitor thread.\n"); + error = -1; + } else + mthreadactive = 0; /* Started the thread!*/ + } + } + } ast_mutex_unlock(&monlock); + + ast_verb(4, "Monitor restarted\n"); + + return error; +} + +/* Per board config that must be called after vpb_open() */ +static void mkbrd(vpb_model_t model, int echo_cancel) +{ + if(!bridges) { + if(model==vpb_model_v4pci) + max_bridges = MAX_BRIDGES_V4PCI; + bridges = ast_calloc(1, max_bridges * sizeof(vpb_bridge_t)); + if(!bridges) + ast_log(LOG_ERROR, "Failed to initialize bridges\n"); + else { + for(int i = 0; i < max_bridges; i++ ) { + ast_mutex_init(&bridges[i].lock); + ast_cond_init(&bridges[i].cond, NULL); + } + } + } + if(!echo_cancel) { + if (model==vpb_model_v4pci) { + vpb_echo_canc_disable(); + ast_log(LOG_NOTICE, "Voicetronix echo cancellation OFF\n"); + } + else { + /* need to it port by port for OpenSwitch*/ + } + } else { + if (model==vpb_model_v4pci) { + vpb_echo_canc_enable(); + ast_log(LOG_NOTICE, "Voicetronix echo cancellation ON\n"); + if (ec_supp_threshold > -1){ + #ifdef VPB_PRI + vpb_echo_canc_set_sup_thresh(0,(short *)&ec_supp_threshold); + #else + vpb_echo_canc_set_sup_thresh((short *)&ec_supp_threshold); + #endif + ast_log(LOG_NOTICE, "Voicetronix EC Sup Thres set\n"); + } + } + else { + /* need to it port by port for OpenSwitch*/ + } + } +} + +static struct vpb_pvt *mkif(int board, int channel, int mode, int gains, float txgain, float rxgain, + float txswgain, float rxswgain, int bal1, int bal2, int bal3, + char * callerid, int echo_cancel, int group, ast_group_t callgroup, ast_group_t pickupgroup ) +{ + struct vpb_pvt *tmp; + char buf[64]; + + tmp = ast_calloc(1, sizeof(*tmp)); + + if (!tmp) + return NULL; + + tmp->handle = vpb_open(board, channel); + + if (tmp->handle < 0) { + ast_log(LOG_WARNING, "Unable to create channel vpb/%d-%d: %s\n", + board, channel, strerror(errno)); + ast_free(tmp); + return NULL; + } + + snprintf(tmp->dev, sizeof(tmp->dev), "vpb/%d-%d", board, channel); + + tmp->mode = mode; + + tmp->group = group; + tmp->callgroup = callgroup; + tmp->pickupgroup = pickupgroup; + + /* Initilize dtmf caller ID position variable */ + tmp->dtmf_caller_pos=0; + + strncpy(tmp->language, language, sizeof(tmp->language) - 1); + strncpy(tmp->context, context, sizeof(tmp->context) - 1); + + tmp->callerid_type=0; + if(callerid) { + if (strcasecmp(callerid,"on")==0){ + tmp->callerid_type =1; + strncpy(tmp->callerid, "unknown", sizeof(tmp->callerid) - 1); + } + else if (strcasecmp(callerid,"v23")==0){ + tmp->callerid_type =2; + strncpy(tmp->callerid, "unknown", sizeof(tmp->callerid) - 1); + } + else if (strcasecmp(callerid,"bell")==0){ + tmp->callerid_type =3; + strncpy(tmp->callerid, "unknown", sizeof(tmp->callerid) - 1); + } + else { + strncpy(tmp->callerid, callerid, sizeof(tmp->callerid) - 1); + } + } else { + strncpy(tmp->callerid, "unknown", sizeof(tmp->callerid) - 1); + } + + /* check if codec balances have been set in the config file */ + if (bal3>=0) { + if ((bal1>=0) && !(bal1 & 32)) bal1 |= 32; + vpb_set_codec_reg(tmp->handle, 0x42, bal3); + } + if(bal1>=0) vpb_set_codec_reg(tmp->handle, 0x32, bal1); + if(bal2>=0) vpb_set_codec_reg(tmp->handle, 0x3a, bal2); + + if (gains & VPB_GOT_TXHWG){ + if (txgain > MAX_VPB_GAIN){ + tmp->txgain = MAX_VPB_GAIN; + } + else if (txgain < MIN_VPB_GAIN){ + tmp->txgain = MIN_VPB_GAIN; + } + else { + tmp->txgain = txgain; + } + + ast_log(LOG_NOTICE,"VPB setting Tx Hw gain to [%f]\n",tmp->txgain); + vpb_play_set_hw_gain(tmp->handle, tmp->txgain); + } + + if (gains & VPB_GOT_RXHWG){ + if (rxgain > MAX_VPB_GAIN){ + tmp->rxgain = MAX_VPB_GAIN; + } + else if (rxgain < MIN_VPB_GAIN){ + tmp->rxgain = MIN_VPB_GAIN; + } + else { + tmp->rxgain = rxgain; + } + ast_log(LOG_NOTICE,"VPB setting Rx Hw gain to [%f]\n",tmp->rxgain); + vpb_record_set_hw_gain(tmp->handle,tmp->rxgain); + } + + if (gains & VPB_GOT_TXSWG){ + tmp->txswgain = txswgain; + ast_log(LOG_NOTICE,"VPB setting Tx Sw gain to [%f]\n",tmp->txswgain); + vpb_play_set_gain(tmp->handle, tmp->txswgain); + } + + if (gains & VPB_GOT_RXSWG){ + tmp->rxswgain = rxswgain; + ast_log(LOG_NOTICE,"VPB setting Rx Sw gain to [%f]\n",tmp->rxswgain); + vpb_record_set_gain(tmp->handle, tmp->rxswgain); + } + + tmp->vpb_model = vpb_model_unknown; + if( vpb_get_model(buf) == VPB_OK ) { + if(strcmp(buf,"V12PCI")==0) + tmp->vpb_model = vpb_model_v12pci; + else if(strcmp(buf,"VPB4")==0) + tmp->vpb_model = vpb_model_v4pci; + } + + ast_mutex_init(&tmp->owner_lock); + ast_mutex_init(&tmp->lock); + ast_mutex_init(&tmp->record_lock); + ast_mutex_init(&tmp->play_lock); + ast_mutex_init(&tmp->play_dtmf_lock); + + /* set default read state */ + tmp->read_state = 0; + + tmp->golock=0; + + tmp->busy_timer_id = vpb_timer_get_unique_timer_id(); + vpb_timer_open(&tmp->busy_timer, tmp->handle, tmp->busy_timer_id, TIMER_PERIOD_BUSY); + + tmp->ringback_timer_id = vpb_timer_get_unique_timer_id(); + vpb_timer_open(&tmp->ringback_timer, tmp->handle, tmp->ringback_timer_id, TIMER_PERIOD_RINGBACK); + + tmp->ring_timer_id = vpb_timer_get_unique_timer_id(); + vpb_timer_open(&tmp->ring_timer, tmp->handle, tmp->ring_timer_id, timer_period_ring); + + tmp->dtmfidd_timer_id = vpb_timer_get_unique_timer_id(); + vpb_timer_open(&tmp->dtmfidd_timer, tmp->handle, tmp->dtmfidd_timer_id, dtmf_idd); + + if (mode == MODE_FXO){ + if (use_ast_dtmfdet) + vpb_set_event_mask(tmp->handle, VPB_EVENTS_NODTMF ); + else + vpb_set_event_mask(tmp->handle, VPB_EVENTS_ALL ); + } + else { +/* + if (use_ast_dtmfdet) + vpb_set_event_mask(tmp->handle, VPB_EVENTS_NODTMF ); + else +*/ + vpb_set_event_mask(tmp->handle, VPB_EVENTS_STAT ); + } + + if ((tmp->vpb_model == vpb_model_v12pci) && (echo_cancel)){ + vpb_hostecho_on(tmp->handle); + } + if (use_ast_dtmfdet) { + tmp->vad = ast_dsp_new(); + ast_dsp_set_features(tmp->vad, DSP_FEATURE_DTMF_DETECT); + ast_dsp_digitmode(tmp->vad, DSP_DIGITMODE_DTMF); + if (relaxdtmf) + ast_dsp_digitmode(tmp->vad, DSP_DIGITMODE_DTMF|DSP_DIGITMODE_RELAXDTMF); + } + else { + tmp->vad = NULL; + } + + /* define grunt tone */ + vpb_settonedet(tmp->handle,&toned_ungrunt); + + ast_log(LOG_NOTICE,"Voicetronix %s channel %s initialized (rxsg=%f/txsg=%f/rxhg=%f/txhg=%f)(0x%x/0x%x/0x%x)\n", + (tmp->vpb_model==vpb_model_v4pci)?"V4PCI": (tmp->vpb_model==vpb_model_v12pci)?"V12PCI":"[Unknown model]", + tmp->dev, tmp->rxswgain, tmp->txswgain, tmp->rxgain, tmp->txgain, bal1, bal2, bal3 ); + + return tmp; +} + +static int vpb_indicate(struct ast_channel *ast, int condition, const void *data, size_t datalen) +{ + struct vpb_pvt *p = (struct vpb_pvt *)ast->tech_pvt; + int res = 0; + int tmp = 0; + + if (use_ast_ind == 1) { + ast_verb(4, "%s: vpb_indicate called when using Ast Indications !?!\n", p->dev); + return 0; + } + + ast_verb(4, "%s: vpb_indicate [%d] state[%d]\n", p->dev, condition,ast->_state); +/* + if (ast->_state != AST_STATE_UP) { + ast_verb(4, "%s: vpb_indicate Not in AST_STATE_UP\n", p->dev, condition,ast->_state); + return res; + } +*/ + +/* + ast_verb(4, "%s: LOCKING in indicate \n", p->dev); + ast_verb(4, "%s: LOCKING count[%d] owner[%d] \n", p->dev, p->lock.__m_count,p->lock.__m_owner); +*/ + ast_mutex_lock(&p->lock); + switch(condition) { + case AST_CONTROL_BUSY: + case AST_CONTROL_CONGESTION: + if (ast->_state == AST_STATE_UP) { + playtone(p->handle, &Busytone); + p->state = VPB_STATE_PLAYBUSY; + vpb_timer_stop(p->busy_timer); + vpb_timer_start(p->busy_timer); + } + break; + case AST_CONTROL_RINGING: + if (ast->_state == AST_STATE_UP) { + playtone(p->handle, &Ringbacktone); + p->state = VPB_STATE_PLAYRING; + ast_verb(4, "%s: vpb indicate: setting ringback timer [%d]\n", p->dev,p->ringback_timer_id); + + vpb_timer_stop(p->ringback_timer); + vpb_timer_start(p->ringback_timer); + } + break; + case AST_CONTROL_ANSWER: + case -1: /* -1 means stop playing? */ + vpb_timer_stop(p->ringback_timer); + vpb_timer_stop(p->busy_timer); + stoptone(p->handle); + break; + case AST_CONTROL_HANGUP: + if (ast->_state == AST_STATE_UP) { + playtone(p->handle, &Busytone); + p->state = VPB_STATE_PLAYBUSY; + vpb_timer_stop(p->busy_timer); + vpb_timer_start(p->busy_timer); + } + break; + case AST_CONTROL_HOLD: + ast_moh_start(ast, (const char *) data, NULL); + break; + case AST_CONTROL_UNHOLD: + ast_moh_stop(ast); + break; + default: + res = 0; + break; + } + tmp = ast_mutex_unlock(&p->lock); +/* + ast_verb(4, "%s: unLOCKING in indicate [%d]\n", p->dev,tmp); +*/ + return res; +} + +static int vpb_fixup(struct ast_channel *oldchan, struct ast_channel *newchan) +{ + struct vpb_pvt *p = (struct vpb_pvt *)newchan->tech_pvt; + int res = 0; + +/* + ast_verb(4, "%s: LOCKING in fixup \n", p->dev); + ast_verb(4, "%s: LOCKING count[%d] owner[%d] \n", p->dev, p->lock.__m_count,p->lock.__m_owner); +*/ + ast_mutex_lock(&p->lock); + ast_debug(1, "New owner for channel %s is %s\n", p->dev, newchan->name); + + if (p->owner == oldchan) { + p->owner = newchan; + } + + if (newchan->_state == AST_STATE_RINGING){ + if (use_ast_ind == 1) { + ast_verb(4, "%s: vpb_fixup Calling ast_indicate\n", p->dev); + ast_indicate(newchan, AST_CONTROL_RINGING); + } + else { + ast_verb(4, "%s: vpb_fixup Calling vpb_indicate\n", p->dev); + vpb_indicate(newchan, AST_CONTROL_RINGING, NULL, 0); + } + } + + res= ast_mutex_unlock(&p->lock); +/* + ast_verb(4, "%s: unLOCKING in fixup [%d]\n", p->dev,res); +*/ + return 0; +} + +static int vpb_digit_begin(struct ast_channel *ast, char digit) +{ + /* XXX Modify this callback to let Asterisk control the length of DTMF */ + return 0; +} +static int vpb_digit_end(struct ast_channel *ast, char digit, unsigned int duration) +{ + struct vpb_pvt *p = (struct vpb_pvt *)ast->tech_pvt; + char s[2]; + int res = 0; + + if (use_ast_dtmf){ + ast_verb(4, "%s: vpb_digit: asked to play digit[%c] but we are using asterisk dtmf play back?!\n", p->dev, digit); + return 0; + } + +/* + ast_verb(4, "%s: LOCKING in digit \n", p->dev); + ast_verb(4, "%s: LOCKING count[%d] owner[%d] \n", p->dev, p->lock.__m_count,p->lock.__m_owner); +*/ + ast_mutex_lock(&p->lock); + + + s[0] = digit; + s[1] = '\0'; + + ast_verb(4, "%s: vpb_digit: asked to play digit[%s]\n", p->dev, s); + + ast_mutex_lock(&p->play_dtmf_lock); + strncat(p->play_dtmf,s,sizeof(*p->play_dtmf)); + ast_mutex_unlock(&p->play_dtmf_lock); + + res = ast_mutex_unlock(&p->lock); +/* + ast_verb(4, "%s: unLOCKING in digit [%d]\n", p->dev,res); +*/ + return 0; +} + +/* Places a call out of a VPB channel */ +static int vpb_call(struct ast_channel *ast, char *dest, int timeout) +{ + struct vpb_pvt *p = (struct vpb_pvt *)ast->tech_pvt; + int res = 0,i; + char *s = strrchr(dest, '/'); + char dialstring[254] = ""; + int tmp = 0; + +/* + ast_verb(4, "%s: LOCKING in call \n", p->dev); + ast_verb(4, "%s: LOCKING count[%d] owner[%d] \n", p->dev, p->lock.__m_count,p->lock.__m_owner); +*/ + ast_mutex_lock(&p->lock); + ast_verb(4, "%s: starting call to [%s]\n", p->dev,dest); + + if (s) + s = s + 1; + else + s = dest; + strncpy(dialstring, s, sizeof(dialstring) - 1); + for (i=0; dialstring[i] != '\0' ; i++) { + if ((dialstring[i] == 'w') || (dialstring[i] == 'W')) + dialstring[i] = ','; + else if ((dialstring[i] == 'f') || (dialstring[i] == 'F')) + dialstring[i] = '&'; + } + + if (ast->_state != AST_STATE_DOWN && ast->_state != AST_STATE_RESERVED) { + ast_log(LOG_WARNING, "vpb_call on %s neither down nor reserved!\n", ast->name); + tmp = ast_mutex_unlock(&p->lock); +/* + ast_verb(4, "%s: unLOCKING in call [%d]\n", p->dev,tmp); +*/ + return -1; + } + if (p->mode != MODE_FXO) /* Station port, ring it. */ + res = vpb_ring_station_async(p->handle, VPB_RING_STATION_ON,0); + else { + VPB_CALL call; + + /* Dial must timeout or it can leave channels unuseable */ + if( timeout == 0 ) + timeout = TIMER_PERIOD_NOANSWER; + else + timeout = timeout * 1000; /* convert from secs to ms. */ + + /* These timeouts are only used with call progress dialing */ + call.dialtones = 1; /* Number of dialtones to get outside line */ + call.dialtone_timeout = VPB_DIALTONE_WAIT; /* Wait this long for dialtone (ms) */ + call.ringback_timeout = VPB_RINGWAIT; /* Wait this long for ringing after dialing (ms) */ + call.inter_ringback_timeout = VPB_CONNECTED_WAIT; /* If ringing stops for this long consider it connected (ms) */ + call.answer_timeout = timeout; /* Time to wait for answer after ringing starts (ms) */ + memcpy( &call.tone_map, DialToneMap, sizeof(DialToneMap) ); + vpb_set_call(p->handle, &call); + + ast_verb(2, "%s: Calling %s on %s \n",p->dev, dialstring, ast->name); + + int j; + ast_verb(2, "%s: Dial parms for %s %d/%dms/%dms/%dms/%dms\n", p->dev + , ast->name, call.dialtones, call.dialtone_timeout + , call.ringback_timeout, call.inter_ringback_timeout + , call.answer_timeout ); + for( j=0; !call.tone_map[j].terminate; j++ ) + ast_verb(2, "%s: Dial parms for %s tone %d->%d\n", p->dev, + ast->name, call.tone_map[j].tone_id, call.tone_map[j].call_id); + + ast_verb(4, "%s: Disabling Loop Drop detection\n",p->dev); + vpb_disable_event(p->handle, VPB_MDROP); + vpb_sethook_sync(p->handle,VPB_OFFHOOK); + p->state=VPB_STATE_OFFHOOK; + + #ifndef DIAL_WITH_CALL_PROGRESS + vpb_sleep(300); + ast_verb(4, "%s: Enabling Loop Drop detection\n",p->dev); + vpb_enable_event(p->handle, VPB_MDROP); + res = vpb_dial_async(p->handle, dialstring); + #else + ast_verb(4, "%s: Enabling Loop Drop detection\n",p->dev); + vpb_enable_event(p->handle, VPB_MDROP); + res = vpb_call_async(p->handle, dialstring); + #endif + + if (res != VPB_OK) { + ast_debug(1, "Call on %s to %s failed: %s\n", ast->name, s, vpb_strerror(res)); + res = -1; + } else + res = 0; + } + + ast_verb(3, "%s: VPB Calling %s [t=%d] on %s returned %d\n",p->dev , s, timeout, ast->name, res); + if (res == 0) { + ast_setstate(ast, AST_STATE_RINGING); + ast_queue_control(ast,AST_CONTROL_RINGING); + } + + if (!p->readthread){ + ast_pthread_create(&p->readthread, NULL, do_chanreads, (void *)p); + } + + tmp = ast_mutex_unlock(&p->lock); +/* + ast_verb(4, "%s: unLOCKING in call [%d]\n", p->dev,tmp); +*/ + return res; +} + +static int vpb_hangup(struct ast_channel *ast) +{ + struct vpb_pvt *p = (struct vpb_pvt *)ast->tech_pvt; + VPB_EVENT je; + char str[VPB_MAX_STR]; + int res =0 ; + +/* + ast_verb(4, "%s: LOCKING in hangup \n", p->dev); + ast_verb(4, "%s: LOCKING in hangup count[%d] owner[%d] \n", p->dev, p->lock.__m_count,p->lock.__m_owner); + ast_verb(4, "%s: LOCKING pthread_self(%d)\n", p->dev,pthread_self()); + ast_mutex_lock(&p->lock); +*/ + ast_verb(2, "%s: Hangup requested\n", ast->name); + + if (!ast->tech || !ast->tech_pvt) { + ast_log(LOG_WARNING, "%s: channel not connected?\n", ast->name); + res = ast_mutex_unlock(&p->lock); +/* + ast_verb(4, "%s: unLOCKING in hangup [%d]\n", p->dev,res); +*/ + /* Free up ast dsp if we have one */ + if ((use_ast_dtmfdet)&&(p->vad)) { + ast_dsp_free(p->vad); + p->vad = NULL; + } + return 0; + } + + + + /* Stop record */ + p->stopreads = 1; + if( p->readthread ){ + pthread_join(p->readthread, NULL); + ast_verb(4, "%s: stopped record thread \n",ast->name); + } + + /* Stop play */ + if (p->lastoutput != -1) { + ast_verb(2, "%s: Ending play mode \n",ast->name); + vpb_play_terminate(p->handle); + ast_mutex_lock(&p->play_lock); { + vpb_play_buf_finish(p->handle); + } ast_mutex_unlock(&p->play_lock); + } + + ast_verb(4, "%s: Setting state down\n",ast->name); + ast_setstate(ast,AST_STATE_DOWN); + + +/* + ast_verb(4, "%s: LOCKING in hangup \n", p->dev); + ast_verb(4, "%s: LOCKING in hangup count[%d] owner[%d] \n", p->dev, p->lock.__m_count,p->lock.__m_owner); + ast_verb(4, "%s: LOCKING pthread_self(%d)\n", p->dev,pthread_self()); +*/ + ast_mutex_lock(&p->lock); + + if (p->mode != MODE_FXO) { + /* station port. */ + vpb_ring_station_async(p->handle, VPB_RING_STATION_OFF,0); + if(p->state!=VPB_STATE_ONHOOK){ + /* This is causing a "dial end" "play tone" loop + playtone(p->handle, &Busytone); + p->state = VPB_STATE_PLAYBUSY; + ast_verb(5, "%s: Station offhook[%d], playing busy tone\n", + ast->name,p->state); + */ + } + else { + stoptone(p->handle); + } + #ifdef VPB_PRI + vpb_setloop_async(p->handle, VPB_OFFHOOK); + vpb_sleep(100); + vpb_setloop_async(p->handle, VPB_ONHOOK); + #endif + } else { + stoptone(p->handle); /* Terminates any dialing */ + vpb_sethook_sync(p->handle, VPB_ONHOOK); + p->state=VPB_STATE_ONHOOK; + } + while (VPB_OK==vpb_get_event_ch_async(p->handle,&je)){ + vpb_translate_event(&je, str); + ast_verb(4, "%s: Flushing event [%d]=>%s\n",ast->name,je.type,str); + } + + p->readthread = 0; + p->lastoutput = -1; + p->lastinput = -1; + p->last_ignore_dtmf = 1; + p->ext[0] = 0; + p->dialtone = 0; + + p->owner = NULL; + ast->tech_pvt=NULL; + + /* Free up ast dsp if we have one */ + if ((use_ast_dtmfdet)&&(p->vad)) { + ast_dsp_free(p->vad); + p->vad = NULL; + } + + ast_verb(2, "%s: Hangup complete\n", ast->name); + + restart_monitor(); +/* + ast_verb(4, "%s: LOCKING in hangup count[%d] owner[%d] \n", p->dev, p->lock.__m_count,p->lock.__m_owner); +*/ + res = ast_mutex_unlock(&p->lock); +/* + ast_verb(4, "%s: unLOCKING in hangup [%d]\n", p->dev,res); + ast_verb(4, "%s: LOCKING in hangup count[%d] owner[%d] \n", p->dev, p->lock.__m_count,p->lock.__m_owner); +*/ + return 0; +} + +static int vpb_answer(struct ast_channel *ast) +{ + struct vpb_pvt *p = (struct vpb_pvt *)ast->tech_pvt; + int res = 0; +/* + VPB_EVENT je; + int ret; + ast_verb(4, "%s: LOCKING in answer \n", p->dev); + ast_verb(4, "%s: LOCKING count[%d] owner[%d] \n", p->dev, p->lock.__m_count,p->lock.__m_owner); +*/ + ast_mutex_lock(&p->lock); + + ast_verb(4, "%s: Answering channel\n",p->dev); + + if (p->mode == MODE_FXO){ + ast_verb(4, "%s: Disabling Loop Drop detection\n",p->dev); + vpb_disable_event(p->handle, VPB_MDROP); + } + + if (ast->_state != AST_STATE_UP) { + if (p->mode == MODE_FXO){ + vpb_sethook_sync(p->handle, VPB_OFFHOOK); + p->state=VPB_STATE_OFFHOOK; +/* vpb_sleep(500); + ret = vpb_get_event_ch_async(p->handle,&je); + if ((ret == VPB_OK)&&((je.type != VPB_DROP)&&(je.type != VPB_RING))){ + ast_verb(4, "%s: Answer collected a wrong event!!\n",p->dev); + vpb_put_event(&je); + } +*/ + } + ast_setstate(ast, AST_STATE_UP); + + ast_verb(2, "%s: Answered call on %s [%s]\n", p->dev, + ast->name,(p->mode == MODE_FXO)?"FXO":"FXS"); + + ast->rings = 0; + if( !p->readthread ){ + /* res = ast_mutex_unlock(&p->lock); */ + /* ast_verbose("%s: unLOCKING in answer [%d]\n", p->dev,res); */ + ast_pthread_create(&p->readthread, NULL, do_chanreads, (void *)p); + } else { + ast_verb(4, "%s: Record thread already running!!\n",p->dev); + } + } else { + ast_verb(4, "%s: Answered state is up\n",p->dev); + /* res = ast_mutex_unlock(&p->lock); */ + /* ast_verbose("%s: unLOCKING in answer [%d]\n", p->dev,res); */ + } + vpb_sleep(500); + if (p->mode == MODE_FXO){ + ast_verb(4, "%s: Re-enabling Loop Drop detection\n",p->dev); + vpb_enable_event(p->handle,VPB_MDROP); + } + res = ast_mutex_unlock(&p->lock); +/* + ast_verb(4, "%s: unLOCKING in answer [%d]\n", p->dev,res); +*/ + return 0; +} + +static struct ast_frame *vpb_read(struct ast_channel *ast) +{ + struct vpb_pvt *p = (struct vpb_pvt *)ast->tech_pvt; + static struct ast_frame f = {AST_FRAME_NULL}; + + f.src = "vpb"; + ast_log(LOG_NOTICE, "%s: vpb_read: should never be called!\n", p->dev); + ast_verbose("%s: vpb_read: should never be called!\n", p->dev); + + return &f; +} + +static inline int ast2vpbformat(int ast_format) +{ + switch(ast_format) { + case AST_FORMAT_ALAW: + return VPB_ALAW; + case AST_FORMAT_SLINEAR: + return VPB_LINEAR; + case AST_FORMAT_ULAW: + return VPB_MULAW; + case AST_FORMAT_ADPCM: + return VPB_OKIADPCM; + default: + return -1; + } +} + +static inline char * ast2vpbformatname(int ast_format) +{ + switch(ast_format) { + case AST_FORMAT_ALAW: + return "AST_FORMAT_ALAW:VPB_ALAW"; + case AST_FORMAT_SLINEAR: + return "AST_FORMAT_SLINEAR:VPB_LINEAR"; + case AST_FORMAT_ULAW: + return "AST_FORMAT_ULAW:VPB_MULAW"; + case AST_FORMAT_ADPCM: + return "AST_FORMAT_ADPCM:VPB_OKIADPCM"; + default: + return "UNKN:UNKN"; + } +} + +static inline int astformatbits(int ast_format) +{ + switch(ast_format) { + case AST_FORMAT_ALAW: + case AST_FORMAT_ULAW: + return 8; + case AST_FORMAT_SLINEAR: + return 16; + case AST_FORMAT_ADPCM: + return 4; + default: + return 8; + } +} + +int a_gain_vector(float g, short *v, int n) +{ + int i; + float tmp; + for ( i = 0; i<n; i++) { + tmp = g*v[i]; + if (tmp > 32767.0) + tmp = 32767.0; + if (tmp < -32768.0) + tmp = -32768.0; + v[i] = (short)tmp; + } + return(i); +} + +/* Writes a frame of voice data to a VPB channel */ +static int vpb_write(struct ast_channel *ast, struct ast_frame *frame) +{ + struct vpb_pvt *p = (struct vpb_pvt *)ast->tech_pvt; + int res = 0, fmt = 0; + struct timeval play_buf_time_start; + int tdiff; + +/* ast_mutex_lock(&p->lock); */ + ast_verb(6, "%s: vpb_write: Writing to channel\n", p->dev); + + if (frame->frametype != AST_FRAME_VOICE) { + ast_verb(4, "%s: vpb_write: Don't know how to handle from type %d\n", ast->name, frame->frametype); +/* ast_mutex_unlock(&p->lock); */ + return 0; + } else if (ast->_state != AST_STATE_UP) { + ast_verb(4, "%s: vpb_write: Attempt to Write frame type[%d]subclass[%d] on not up chan(state[%d])\n",ast->name, frame->frametype, frame->subclass,ast->_state); + p->lastoutput = -1; +/* ast_mutex_unlock(&p->lock); */ + return 0; + } +/* ast_debug(1, "%s: vpb_write: Checked frame type..\n", p->dev); */ + + + fmt = ast2vpbformat(frame->subclass); + if (fmt < 0) { + ast_log(LOG_WARNING, "%s: vpb_write: Cannot handle frames of %d format!\n",ast->name, frame->subclass); + return -1; + } + + tdiff = ast_tvdiff_ms(ast_tvnow(), p->lastplay); + ast_debug(1, "%s: vpb_write: time since last play(%d) \n", p->dev, tdiff); + if (tdiff < (VPB_SAMPLES/8 - 1)){ + ast_debug(1, "%s: vpb_write: Asked to play too often (%d) (%d)\n", p->dev, tdiff,frame->datalen); +// return 0; + } + p->lastplay = ast_tvnow(); +/* + ast_debug(1, "%s: vpb_write: Checked frame format..\n", p->dev); +*/ + + ast_mutex_lock(&p->play_lock); + +/* + ast_debug(1, "%s: vpb_write: Got play lock..\n", p->dev); +*/ + + /* Check if we have set up the play_buf */ + if (p->lastoutput == -1) { + vpb_play_buf_start(p->handle, fmt); + ast_verb(2, "%s: vpb_write: Starting play mode (codec=%d)[%s]\n",p->dev,fmt,ast2vpbformatname(frame->subclass)); + p->lastoutput = fmt; + ast_mutex_unlock(&p->play_lock); + return 0; + } else if (p->lastoutput != fmt) { + vpb_play_buf_finish(p->handle); + vpb_play_buf_start(p->handle, fmt); + ast_verb(2, "%s: vpb_write: Changed play format (%d=>%d)\n",p->dev,p->lastoutput,fmt); + ast_mutex_unlock(&p->play_lock); + return 0; + } + p->lastoutput = fmt; + + + + /* Apply extra gain ! */ + if( p->txswgain > MAX_VPB_GAIN ) + a_gain_vector(p->txswgain - MAX_VPB_GAIN , (short*)frame->data, frame->datalen/sizeof(short)); + +/* ast_debug(1, "%s: vpb_write: Applied gain..\n", p->dev); */ +/* ast_debug(1, "%s: vpb_write: play_buf_time %d\n", p->dev, p->play_buf_time); */ + + if ((p->read_state == 1)&&(p->play_buf_time<5)){ + play_buf_time_start = ast_tvnow(); +/* res = vpb_play_buf_sync(p->handle, (char*)frame->data, tdiff*8*2); */ + res = vpb_play_buf_sync(p->handle, (char*)frame->data, frame->datalen); + if(res == VPB_OK) { + short * data = (short*)frame->data; + ast_verb(6, "%s: vpb_write: Wrote chan (codec=%d) %d %d\n", p->dev, fmt, data[0],data[1]); + } + p->play_buf_time = ast_tvdiff_ms(ast_tvnow(), play_buf_time_start); + } + else { + p->chuck_count++; + ast_debug(1, "%s: vpb_write: Tossed data away, tooooo much data!![%d]\n", p->dev,p->chuck_count); + p->play_buf_time=0; + } + + ast_mutex_unlock(&p->play_lock); +/* ast_mutex_unlock(&p->lock); */ + ast_verb(6, "%s: vpb_write: Done Writing to channel\n", p->dev); + return 0; +} + +/* Read monitor thread function. */ +static void *do_chanreads(void *pvt) +{ + struct vpb_pvt *p = (struct vpb_pvt *)pvt; + struct ast_frame *fr = &p->fr; + char *readbuf = ((char *)p->buf) + AST_FRIENDLY_OFFSET; + int bridgerec = 0; + int afmt, readlen, res, fmt, trycnt=0; + int ignore_dtmf; + const char * getdtmf_var = NULL; + + fr->frametype = AST_FRAME_VOICE; + fr->src = "vpb"; + fr->mallocd = 0; + fr->delivery.tv_sec = 0; + fr->delivery.tv_usec = 0; + fr->samples = VPB_SAMPLES; + fr->offset = AST_FRIENDLY_OFFSET; + memset(p->buf, 0, sizeof p->buf); + + ast_verb(3, "%s: chanreads: starting thread\n", p->dev); + ast_mutex_lock(&p->record_lock); + + p->stopreads = 0; + p->read_state = 1; + while (!p->stopreads && p->owner) { + + ast_verb(5, "%s: chanreads: Starting cycle ...\n", p->dev); + ast_verb(5, "%s: chanreads: Checking bridge \n", p->dev); + if (p->bridge) { + if (p->bridge->c0 == p->owner && (p->bridge->flags & AST_BRIDGE_REC_CHANNEL_0)) + bridgerec = 1; + else if (p->bridge->c1 == p->owner && (p->bridge->flags & AST_BRIDGE_REC_CHANNEL_1)) + bridgerec = 1; + else + bridgerec = 0; + } else { + ast_verb(5, "%s: chanreads: No native bridge.\n", p->dev); + if (p->owner->_bridge){ + ast_verb(5, "%s: chanreads: Got Asterisk bridge with [%s].\n", p->dev,p->owner->_bridge->name); + bridgerec = 1; + } + else { + bridgerec = 0; + } + } + +/* if ( (p->owner->_state != AST_STATE_UP) || !bridgerec) */ + if ( (p->owner->_state != AST_STATE_UP) ) + { + if (p->owner->_state != AST_STATE_UP) + ast_verb(5, "%s: chanreads: Im not up[%d]\n", p->dev,p->owner->_state); + else + ast_verb(5, "%s: chanreads: No bridgerec[%d]\n", p->dev,bridgerec); + vpb_sleep(10); + continue; + } + + /* Voicetronix DTMF detection can be triggered off ordinary speech + * This leads to annoying beeps during the conversation + * Avoid this problem by just setting VPB_GETDTMF when you want to listen for DTMF + */ + /* ignore_dtmf = 1; */ + ignore_dtmf = 0; /* set this to 1 to turn this feature on */ + getdtmf_var = pbx_builtin_getvar_helper(p->owner,"VPB_GETDTMF"); + if( getdtmf_var && ( strcasecmp( getdtmf_var, "yes" ) == 0 ) ) + ignore_dtmf = 0; + + if(( ignore_dtmf != p->last_ignore_dtmf ) &&(!use_ast_dtmfdet)){ + ast_verb(2, "%s:Now %s DTMF \n", + p->dev, ignore_dtmf ? "ignoring" : "listening for"); + vpb_set_event_mask(p->handle, ignore_dtmf ? VPB_EVENTS_NODTMF : VPB_EVENTS_ALL ); + } + p->last_ignore_dtmf = ignore_dtmf; + + /* Play DTMF digits here to avoid problem you get if playing a digit during + * a record operation + */ + ast_verb(6, "%s: chanreads: Checking dtmf's \n", p->dev); + ast_mutex_lock(&p->play_dtmf_lock); + if( p->play_dtmf[0] ) { + /* Try to ignore DTMF event we get after playing digit */ + /* This DTMF is played by asterisk and leads to an annoying trailing beep on CISCO phones */ + if( !ignore_dtmf) + vpb_set_event_mask(p->handle, VPB_EVENTS_NODTMF ); + if (p->bridge == NULL){ + vpb_dial_sync(p->handle,p->play_dtmf); + ast_verb(2, "%s: chanreads: Played DTMF %s\n",p->dev,p->play_dtmf); + } + else { + ast_verb(2, "%s: chanreads: Not playing DTMF frame on native bridge\n", p->dev); + } + p->play_dtmf[0] = '\0'; + ast_mutex_unlock(&p->play_dtmf_lock); + vpb_sleep(700); /* Long enough to miss echo and DTMF event */ + if( !ignore_dtmf) + vpb_set_event_mask(p->handle, VPB_EVENTS_ALL ); + continue; + } + ast_mutex_unlock(&p->play_dtmf_lock); + +/* afmt = (p->owner) ? p->owner->rawreadformat : AST_FORMAT_SLINEAR; */ + if (p->owner){ + afmt = p->owner->rawreadformat; +/* ast_debug(1,"%s: Record using owner format [%s]\n", p->dev, ast2vpbformatname(afmt)); */ + } + else { + afmt = AST_FORMAT_SLINEAR; +/* ast_debug(1,"%s: Record using default format [%s]\n", p->dev, ast2vpbformatname(afmt)); */ + } + fmt = ast2vpbformat(afmt); + if (fmt < 0) { + ast_log(LOG_WARNING,"%s: Record failure (unsupported format %d)\n", p->dev, afmt); + return NULL; + } + readlen = VPB_SAMPLES * astformatbits(afmt) / 8; + + if (p->lastinput == -1) { + vpb_record_buf_start(p->handle, fmt); + vpb_reset_record_fifo_alarm(p->handle); + p->lastinput = fmt; + ast_verb(2, "%s: Starting record mode (codec=%d)[%s]\n",p->dev,fmt,ast2vpbformatname(afmt)); + continue; + } else if (p->lastinput != fmt) { + vpb_record_buf_finish(p->handle); + vpb_record_buf_start(p->handle, fmt); + p->lastinput = fmt; + ast_verb(2, "%s: Changed record format (%d=>%d)\n",p->dev,p->lastinput,fmt); + continue; + } + + /* Read only if up and not bridged, or a bridge for which we can read. */ + ast_verb(6, "%s: chanreads: getting buffer!\n", p->dev); + if( (res = vpb_record_buf_sync(p->handle, readbuf, readlen) ) == VPB_OK ) { + ast_verb(6, "%s: chanreads: got buffer!\n", p->dev); + /* Apply extra gain ! */ + if( p->rxswgain > MAX_VPB_GAIN ) + a_gain_vector(p->rxswgain - MAX_VPB_GAIN , (short*)readbuf, readlen/sizeof(short)); + ast_verb(6, "%s: chanreads: applied gain\n", p->dev); + + fr->subclass = afmt; + fr->data = readbuf; + fr->datalen = readlen; + fr->frametype = AST_FRAME_VOICE; + + if ((use_ast_dtmfdet)&&(p->vad)){ + fr = ast_dsp_process(p->owner,p->vad,fr); + if (fr && (fr->frametype == AST_FRAME_DTMF)) + ast_debug(1, "%s: chanreads: Detected DTMF '%c'\n",p->dev, fr->subclass); + if (fr->subclass == 'm'){ + /* conf mute request */ + fr->frametype = AST_FRAME_NULL; + fr->subclass = 0; + } + else if (fr->subclass == 'u'){ + /* Unmute */ + fr->frametype = AST_FRAME_NULL; + fr->subclass = 0; + } + else if (fr->subclass == 'f'){ + } + } + /* Using trylock here to prevent deadlock when channel is hungup + * (ast_hangup() immediately gets lock) + */ + if (p->owner && !p->stopreads ) { + ast_verb(6, "%s: chanreads: queueing buffer on read frame q (state[%d])\n", p->dev,p->owner->_state); + do { + res = ast_mutex_trylock(&p->owner->lock); + trycnt++; + } while((res !=0)&&(trycnt<300)); + if (res==0) { + ast_queue_frame(p->owner, fr); + ast_mutex_unlock(&p->owner->lock); + } else { + ast_verb(5, "%s: chanreads: Couldnt get lock after %d tries!\n", p->dev,trycnt); + } + trycnt=0; + +/* + res = ast_mutex_trylock(&p->owner->lock); + if (res==0) { + ast_queue_frame(p->owner, fr); + ast_mutex_unlock(&p->owner->lock); + } else { + if (res == EINVAL ) + ast_verb(5, "%s: chanreads: try owner->lock gave me EINVAL[%d]\n", p->dev,res); + else if (res == EBUSY ) + ast_verb(5, "%s: chanreads: try owner->lock gave me EBUSY[%d]\n", p->dev,res); + while(res !=0){ + res = ast_mutex_trylock(&p->owner->lock); + } + if (res==0) { + ast_queue_frame(p->owner, fr); + ast_mutex_unlock(&p->owner->lock); + } + else { + if (res == EINVAL ) + ast_verb(5, "%s: chanreads: try owner->lock gave me EINVAL[%d]\n", p->dev,res); + else if (res == EBUSY ) + ast_verb(5, "%s: chanreads: try owner->lock gave me EBUSY[%d]\n", p->dev,res); + ast_verb(5, "%s: chanreads: Couldnt get lock on owner[%s][%d][%d] channel to send frame!\n", p->dev,p->owner->name,(int)p->owner->lock.__m_owner,(int)p->owner->lock.__m_count); + } + } +*/ + short * data = (short*)readbuf; + ast_verb(7, "%s: Read channel (codec=%d) %d %d\n", p->dev, fmt, data[0], data[1] ); + } + else { + ast_verb(5, "%s: p->stopreads[%d] p->owner[%p]\n", p->dev, p->stopreads,(void *)p->owner); + } + } + ast_verb(5, "%s: chanreads: Finished cycle...\n", p->dev); + } + p->read_state=0; + + /* When stopreads seen, go away! */ + vpb_record_buf_finish(p->handle); + p->read_state=0; + ast_mutex_unlock(&p->record_lock); + + ast_verb(2, "%s: Ending record mode (%d/%s)\n", + p->dev, p->stopreads, p->owner? "yes" : "no"); + return NULL; +} + +static struct ast_channel *vpb_new(struct vpb_pvt *me, enum ast_channel_state state, char *context) +{ + struct ast_channel *tmp; + char cid_num[256]; + char cid_name[256]; + + if (me->owner) { + ast_log(LOG_WARNING, "Called vpb_new on owned channel (%s) ?!\n", me->dev); + return NULL; + } + ast_verb(4, "%s: New call for context [%s]\n",me->dev,context); + + tmp = ast_channel_alloc(1, state, 0, 0, "", me->ext, me->context, 0, me->dev); + if (tmp) { + if (use_ast_ind == 1){ + tmp->tech = &vpb_tech_indicate; + } + else { + tmp->tech = &vpb_tech; + } + + tmp->callgroup = me->callgroup; + tmp->pickupgroup = me->pickupgroup; + + /* Linear is the preferred format. Although Voicetronix supports other formats + * they are all converted to/from linear in the vpb code. Best for us to use + * linear since we can then adjust volume in this modules. + */ + tmp->nativeformats = prefformat; + tmp->rawreadformat = AST_FORMAT_SLINEAR; + tmp->rawwriteformat = AST_FORMAT_SLINEAR; + if (state == AST_STATE_RING) { + tmp->rings = 1; + cid_name[0] = '\0'; + cid_num[0] = '\0'; + ast_callerid_split(me->callerid, cid_name, sizeof(cid_name), cid_num, sizeof(cid_num)); + ast_set_callerid(tmp, cid_num, cid_name, cid_num); + } + tmp->tech_pvt = me; + + strncpy(tmp->context, context, sizeof(tmp->context)-1); + if (strlen(me->ext)) + strncpy(tmp->exten, me->ext, sizeof(tmp->exten)-1); + else + strncpy(tmp->exten, "s", sizeof(tmp->exten) - 1); + if (strlen(me->language)) + ast_string_field_set(tmp, language, me->language); + + me->owner = tmp; + + me->bridge = NULL; + me->lastoutput = -1; + me->lastinput = -1; + me->last_ignore_dtmf = 1; + me->readthread = 0; + me->play_dtmf[0] = '\0'; + me->faxhandled =0; + + me->lastgrunt = ast_tvnow(); /* Assume at least one grunt tone seen now. */ + me->lastplay = ast_tvnow(); /* Assume at least one grunt tone seen now. */ + + if (state != AST_STATE_DOWN) { + if ((me->mode != MODE_FXO)&&(state != AST_STATE_UP)){ + vpb_answer(tmp); + } + if (ast_pbx_start(tmp)) { + ast_log(LOG_WARNING, "Unable to start PBX on %s\n", tmp->name); + ast_hangup(tmp); + } + } + } else { + ast_log(LOG_WARNING, "Unable to allocate channel structure\n"); + } + return tmp; +} + +static struct ast_channel *vpb_request(const char *type, int format, void *data, int *cause) +{ + int oldformat; + struct vpb_pvt *p; + struct ast_channel *tmp = NULL; + char *name = ast_strdup(data ? (char *)data : ""); + char *s, *sepstr; + int group=-1; + + oldformat = format; + format &= prefformat; + if (!format) { + ast_log(LOG_NOTICE, "Asked to get a channel of unsupported format '%d'\n", oldformat); + return NULL; + } + + sepstr = name; + s = strsep(&sepstr, "/"); /* Handle / issues */ + if (!s) + s = ""; + /* Check if we are looking for a group */ + if (toupper(name[0]) == 'G' || toupper(name[0])=='R') { + group=atoi(name+1); + } + /* Search for an unowned channel */ + ast_mutex_lock(&iflock); { + p = iflist; + while(p) { + if (group == -1){ + if (strncmp(s, p->dev + 4, sizeof p->dev) == 0) { + if (!p->owner) { + tmp = vpb_new(p, AST_STATE_DOWN, p->context); + break; + } + } + } + else { + if ((p->group == group) && (!p->owner)) { + tmp = vpb_new(p, AST_STATE_DOWN, p->context); + break; + } + } + p = p->next; + } + } ast_mutex_unlock(&iflock); + + + ast_verb(2, " %s requested, got: [%s]\n", name, tmp ? tmp->name : "None"); + + ast_free(name); + + restart_monitor(); + return tmp; +} + +static float parse_gain_value(char *gain_type, char *value) +{ + float gain; + + /* try to scan number */ + if (sscanf(value, "%f", &gain) != 1) + { + ast_log(LOG_ERROR, "Invalid %s value '%s' in '%s' config\n", value, gain_type, config); + return DEFAULT_GAIN; + } + + + /* percentage? */ + /*if (value[strlen(value) - 1] == '%') */ + /* return gain / (float)100; */ + + return gain; +} + + +static int unload_module() +{ + struct vpb_pvt *p; + /* First, take us out of the channel loop */ + if (use_ast_ind == 1){ + ast_channel_unregister(&vpb_tech_indicate); + } + else { + ast_channel_unregister(&vpb_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; + } + iflist = NULL; + } ast_mutex_unlock(&iflock); + + ast_mutex_lock(&monlock); { + if (mthreadactive > -1) { + pthread_cancel(monitor_thread); + pthread_join(monitor_thread, NULL); + } + mthreadactive = -2; + } ast_mutex_unlock(&monlock); + + ast_mutex_lock(&iflock); { + /* Destroy all the interfaces and free their memory */ + + while(iflist) { + p = iflist; + ast_mutex_destroy(&p->lock); + pthread_cancel(p->readthread); + ast_mutex_destroy(&p->owner_lock); + ast_mutex_destroy(&p->record_lock); + ast_mutex_destroy(&p->play_lock); + ast_mutex_destroy(&p->play_dtmf_lock); + p->readthread = 0; + + vpb_close(p->handle); + + iflist = iflist->next; + + ast_free(p); + } + iflist = NULL; + } ast_mutex_unlock(&iflock); + + ast_mutex_lock(&bridge_lock); { + memset(bridges, 0, sizeof bridges); + } ast_mutex_unlock(&bridge_lock); + ast_mutex_destroy(&bridge_lock); + for(int i = 0; i < max_bridges; i++ ) { + ast_mutex_destroy(&bridges[i].lock); + ast_cond_destroy(&bridges[i].cond); + } + ast_free(bridges); + + return 0; +} + +static int load_module() +{ + struct ast_config *cfg; + struct ast_variable *v; + struct ast_flags config_flags = { 0 }; + struct vpb_pvt *tmp; + int board = 0, group = 0; + ast_group_t callgroup = 0; + ast_group_t pickupgroup = 0; + int mode = MODE_IMMEDIATE; + float txgain = DEFAULT_GAIN, rxgain = DEFAULT_GAIN; + float txswgain = 0, rxswgain = 0; + int got_gain=0; + int first_channel = 1; + int echo_cancel = DEFAULT_ECHO_CANCEL; + int error = 0; /* Error flag */ + int bal1 = -1; /* Special value - means do not set */ + int bal2 = -1; + int bal3 = -1; + char * callerid = NULL; + + cfg = ast_config_load(config, config_flags); + + /* We *must* have a config file otherwise stop immediately */ + if (!cfg) { + ast_log(LOG_ERROR, "Unable to load config %s\n", config); + return AST_MODULE_LOAD_DECLINE; + } + + vpb_seterrormode(VPB_ERROR_CODE); + + ast_mutex_lock(&iflock); { + v = ast_variable_browse(cfg, "general"); + while (v){ + if (strcasecmp(v->name, "cards") == 0) { + ast_log(LOG_NOTICE,"VPB Driver configured to use [%d] cards\n",atoi(v->value)); + } + else if (strcasecmp(v->name, "indication") == 0) { + use_ast_ind = 1; + ast_log(LOG_NOTICE,"VPB driver using Asterisk Indication functions!\n"); + } + else if (strcasecmp(v->name, "break-for-dtmf") == 0) { + if (ast_true(v->value)){ + break_for_dtmf = 1; + } + else { + break_for_dtmf = 0; + ast_log(LOG_NOTICE,"VPB driver not stopping for DTMF's in native bridge\n"); + } + } + else if (strcasecmp(v->name, "ast-dtmf") == 0) { + use_ast_dtmf = 1; + ast_log(LOG_NOTICE,"VPB driver using Asterisk DTMF play functions!\n"); + } + else if (strcasecmp(v->name, "ast-dtmf-det") == 0) { + use_ast_dtmfdet = 1; + ast_log(LOG_NOTICE,"VPB driver using Asterisk DTMF detection functions!\n"); + } + else if (strcasecmp(v->name, "relaxdtmf") == 0) { + relaxdtmf = 1; + ast_log(LOG_NOTICE,"VPB driver using Relaxed DTMF with Asterisk DTMF detections functions!\n"); + } + else if (strcasecmp(v->name, "timer_period_ring") ==0) { + timer_period_ring = atoi(v->value); + } + else if (strcasecmp(v->name, "ecsuppthres") ==0) { + ec_supp_threshold = atoi(v->value); + } + else if (strcasecmp(v->name, "dtmfidd") ==0) { + dtmf_idd = atoi(v->value); + ast_log(LOG_NOTICE,"VPB Driver setting DTMF IDD to [%d]ms\n",dtmf_idd); + } + v = v->next; + } + + v = ast_variable_browse(cfg, "interfaces"); + while(v) { + /* Create the interface list */ + if (strcasecmp(v->name, "board") == 0) { + board = atoi(v->value); + } else if (strcasecmp(v->name, "group") == 0){ + group = atoi(v->value); + } else if (strcasecmp(v->name, "callgroup") == 0){ + callgroup = ast_get_group(v->value); + } else if (strcasecmp(v->name, "pickupgroup") == 0){ + pickupgroup = ast_get_group(v->value); + } else if (strcasecmp(v->name, "usepolaritycid") == 0){ + UsePolarityCID = atoi(v->value); + } else if (strcasecmp(v->name, "useloopdrop") == 0){ + UseLoopDrop = atoi(v->value); + } else if (strcasecmp(v->name, "usenativebridge") == 0){ + UseNativeBridge = atoi(v->value); + } else if (strcasecmp(v->name, "channel") == 0) { + int channel = atoi(v->value); + tmp = mkif(board, channel, mode, got_gain, txgain, rxgain, txswgain, rxswgain, bal1, bal2, bal3, callerid, echo_cancel,group,callgroup,pickupgroup); + if (tmp) { + if(first_channel) { + mkbrd( tmp->vpb_model, echo_cancel ); + first_channel = 0; + } + tmp->next = iflist; + iflist = tmp; + } else { + ast_log(LOG_ERROR, "Unable to register channel '%s'\n", v->value); + error = -1; + goto done; + } + } else if (strcasecmp(v->name, "language") == 0) { + strncpy(language, v->value, sizeof(language)-1); + } else if (strcasecmp(v->name, "callerid") == 0) { + callerid = ast_strdup(v->value); + } else if (strcasecmp(v->name, "mode") == 0) { + if (strncasecmp(v->value, "di", 2) == 0) + mode = MODE_DIALTONE; + else if (strncasecmp(v->value, "im", 2) == 0) + mode = MODE_IMMEDIATE; + else if (strncasecmp(v->value, "fx", 2) == 0) + mode = MODE_FXO; + else + ast_log(LOG_WARNING, "Unknown mode: %s\n", v->value); + } else if (!strcasecmp(v->name, "context")) { + strncpy(context, v->value, sizeof(context)-1); + } else if (!strcasecmp(v->name, "echocancel")) { + if (!strcasecmp(v->value, "off")) + echo_cancel = 0; + } else if (strcasecmp(v->name, "txgain") == 0) { + txswgain = parse_gain_value(v->name, v->value); + got_gain |=VPB_GOT_TXSWG; + } else if (strcasecmp(v->name, "rxgain") == 0) { + rxswgain = parse_gain_value(v->name, v->value); + got_gain |=VPB_GOT_RXSWG; + } else if (strcasecmp(v->name, "txhwgain") == 0) { + txgain = parse_gain_value(v->name, v->value); + got_gain |=VPB_GOT_TXHWG; + } else if (strcasecmp(v->name, "rxhwgain") == 0) { + rxgain = parse_gain_value(v->name, v->value); + got_gain |=VPB_GOT_RXHWG; + } else if (strcasecmp(v->name, "bal1") == 0) { + bal1 = strtol(v->value, NULL, 16); + if(bal1<0 || bal1>255) { + ast_log(LOG_WARNING, "Bad bal1 value: %d\n", bal1); + bal1 = -1; + } + } else if (strcasecmp(v->name, "bal2") == 0) { + bal2 = strtol(v->value, NULL, 16); + if(bal2<0 || bal2>255) { + ast_log(LOG_WARNING, "Bad bal2 value: %d\n", bal2); + bal2 = -1; + } + } else if (strcasecmp(v->name, "bal3") == 0) { + bal3 = strtol(v->value, NULL, 16); + if(bal3<0 || bal3>255) { + ast_log(LOG_WARNING, "Bad bal3 value: %d\n", bal3); + bal3 = -1; + } + } else if (strcasecmp(v->name, "grunttimeout") == 0) { + gruntdetect_timeout = 1000*atoi(v->value); + } + v = v->next; + } + + if (gruntdetect_timeout < 1000) + gruntdetect_timeout = 1000; + + done: (void)0; + } ast_mutex_unlock(&iflock); + + ast_config_destroy(cfg); + + if (use_ast_ind == 1){ + if (!error && ast_channel_register(&vpb_tech_indicate) != 0) { + ast_log(LOG_ERROR, "Unable to register channel class 'vpb'\n"); + error = -1; + } + else { + ast_log(LOG_NOTICE,"VPB driver Registered (w/AstIndication)\n"); + } + } + else { + if (!error && ast_channel_register(&vpb_tech) != 0) { + ast_log(LOG_ERROR, "Unable to register channel class 'vpb'\n"); + error = -1; + } + else { + ast_log(LOG_NOTICE,"VPB driver Registered )\n"); + } + } + + + if (error) + unload_module(); + else + restart_monitor(); /* And start the monitor for the first time */ + + return error; +} + +/**/ +#if defined(__cplusplus) || defined(c_plusplus) + } +#endif +/**/ + +AST_MODULE_INFO_STANDARD(ASTERISK_GPL_KEY, "VoiceTronix API driver"); |