diff options
author | russell <russell@f38db490-d61c-443f-a65b-d21fe96a405b> | 2008-01-19 00:19:29 +0000 |
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committer | russell <russell@f38db490-d61c-443f-a65b-d21fe96a405b> | 2008-01-19 00:19:29 +0000 |
commit | f8247040e6231c4b3b5099ea3a526348b7941566 (patch) | |
tree | 0cc92ad6ebf6ae49a62f6e7ef8ec819121d63630 /trunk/channels/chan_phone.c | |
parent | d88e56c61ce2042544c1a8a71c93b69ab2e6ffba (diff) |
Creating tag for the release of asterisk-1.6.0-beta1v1.6.0-beta1
git-svn-id: http://svn.digium.com/svn/asterisk/tags/1.6.0-beta1@99163 f38db490-d61c-443f-a65b-d21fe96a405b
Diffstat (limited to 'trunk/channels/chan_phone.c')
-rw-r--r-- | trunk/channels/chan_phone.c | 1450 |
1 files changed, 1450 insertions, 0 deletions
diff --git a/trunk/channels/chan_phone.c b/trunk/channels/chan_phone.c new file mode 100644 index 000000000..233e5e829 --- /dev/null +++ b/trunk/channels/chan_phone.c @@ -0,0 +1,1450 @@ +/* + * Asterisk -- An open source telephony toolkit. + * + * Copyright (C) 1999 - 2005, 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 Generic Linux Telephony Interface driver + * + * \author Mark Spencer <markster@digium.com> + * + * \ingroup channel_drivers + */ + +/*** MODULEINFO + <depend>ixjuser</depend> + ***/ + +#include "asterisk.h" + +ASTERISK_FILE_VERSION(__FILE__, "$Revision$") + +#include <ctype.h> +#include <sys/socket.h> +#include <sys/time.h> +#include <arpa/inet.h> +#include <fcntl.h> +#include <sys/ioctl.h> +#include <signal.h> +#ifdef HAVE_LINUX_COMPILER_H +#include <linux/compiler.h> +#endif +#include <linux/telephony.h> +/* Still use some IXJ specific stuff */ +#include <linux/version.h> +#include <linux/ixjuser.h> + +#include "asterisk/lock.h" +#include "asterisk/channel.h" +#include "asterisk/config.h" +#include "asterisk/module.h" +#include "asterisk/pbx.h" +#include "asterisk/utils.h" +#include "asterisk/callerid.h" +#include "asterisk/causes.h" +#include "asterisk/stringfields.h" +#include "asterisk/musiconhold.h" + +#include "DialTone.h" + +#ifdef QTI_PHONEJACK_TJ_PCI /* check for the newer quicknet driver v.3.1.0 which has this symbol */ +#define QNDRV_VER 310 +#else +#define QNDRV_VER 100 +#endif + +#if QNDRV_VER > 100 +#ifdef __linux__ +#define IXJ_PHONE_RING_START(x) ioctl(p->fd, PHONE_RING_START, &x); +#else /* FreeBSD and others */ +#define IXJ_PHONE_RING_START(x) ioctl(p->fd, PHONE_RING_START, x); +#endif /* __linux__ */ +#else /* older driver */ +#define IXJ_PHONE_RING_START(x) ioctl(p->fd, PHONE_RING_START, &x); +#endif + +#define DEFAULT_CALLER_ID "Unknown" +#define PHONE_MAX_BUF 480 +#define DEFAULT_GAIN 0x100 + +static const char tdesc[] = "Standard Linux Telephony API Driver"; +static const char config[] = "phone.conf"; + +/* Default context for dialtone mode */ +static char context[AST_MAX_EXTENSION] = "default"; + +/* Default language */ +static char language[MAX_LANGUAGE] = ""; + +static int echocancel = AEC_OFF; + +static int silencesupression = 0; + +static int prefformat = AST_FORMAT_G729A | AST_FORMAT_G723_1 | AST_FORMAT_SLINEAR | AST_FORMAT_ULAW; + +/* Protect the interface list (of phone_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); + +/* Boolean value whether the monitoring thread shall continue. */ +static unsigned int monitor; + +/* 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 int restart_monitor(void); + +/* The private structures of the Phone Jack channels are linked for + selecting outgoing channels */ + +#define MODE_DIALTONE 1 +#define MODE_IMMEDIATE 2 +#define MODE_FXO 3 +#define MODE_FXS 4 +#define MODE_SIGMA 5 + +static struct phone_pvt { + int fd; /* Raw file descriptor for this device */ + struct ast_channel *owner; /* Channel we belong to, possibly NULL */ + int mode; /* Is this in the */ + int lastformat; /* Last output format */ + int lastinput; /* Last input format */ + int ministate; /* Miniature state, for dialtone mode */ + char dev[256]; /* Device name */ + struct phone_pvt *next; /* Next channel in list */ + struct ast_frame fr; /* Frame */ + char offset[AST_FRIENDLY_OFFSET]; + char buf[PHONE_MAX_BUF]; /* Static buffer for reading frames */ + int obuflen; + int dialtone; + int txgain, rxgain; /* gain control for playing, recording */ + /* 0x100 - 1.0, 0x200 - 2.0, 0x80 - 0.5 */ + int cpt; /* Call Progress Tone playing? */ + int silencesupression; + char context[AST_MAX_EXTENSION]; + char obuf[PHONE_MAX_BUF * 2]; + char ext[AST_MAX_EXTENSION]; + char language[MAX_LANGUAGE]; + char cid_num[AST_MAX_EXTENSION]; + char cid_name[AST_MAX_EXTENSION]; +} *iflist = NULL; + +static char cid_num[AST_MAX_EXTENSION]; +static char cid_name[AST_MAX_EXTENSION]; + +static struct ast_channel *phone_request(const char *type, int format, void *data, int *cause); +static int phone_digit_begin(struct ast_channel *ast, char digit); +static int phone_digit_end(struct ast_channel *ast, char digit, unsigned int duration); +static int phone_call(struct ast_channel *ast, char *dest, int timeout); +static int phone_hangup(struct ast_channel *ast); +static int phone_answer(struct ast_channel *ast); +static struct ast_frame *phone_read(struct ast_channel *ast); +static int phone_write(struct ast_channel *ast, struct ast_frame *frame); +static struct ast_frame *phone_exception(struct ast_channel *ast); +static int phone_send_text(struct ast_channel *ast, const char *text); +static int phone_fixup(struct ast_channel *old, struct ast_channel *new); +static int phone_indicate(struct ast_channel *chan, int condition, const void *data, size_t datalen); + +static const struct ast_channel_tech phone_tech = { + .type = "Phone", + .description = tdesc, + .capabilities = AST_FORMAT_G723_1 | AST_FORMAT_SLINEAR | AST_FORMAT_ULAW | AST_FORMAT_G729A, + .requester = phone_request, + .send_digit_begin = phone_digit_begin, + .send_digit_end = phone_digit_end, + .call = phone_call, + .hangup = phone_hangup, + .answer = phone_answer, + .read = phone_read, + .write = phone_write, + .exception = phone_exception, + .indicate = phone_indicate, + .fixup = phone_fixup +}; + +static struct ast_channel_tech phone_tech_fxs = { + .type = "Phone", + .description = tdesc, + .requester = phone_request, + .send_digit_begin = phone_digit_begin, + .send_digit_end = phone_digit_end, + .call = phone_call, + .hangup = phone_hangup, + .answer = phone_answer, + .read = phone_read, + .write = phone_write, + .exception = phone_exception, + .write_video = phone_write, + .send_text = phone_send_text, + .indicate = phone_indicate, + .fixup = phone_fixup +}; + +static struct ast_channel_tech *cur_tech; + +static int phone_indicate(struct ast_channel *chan, int condition, const void *data, size_t datalen) +{ + struct phone_pvt *p = chan->tech_pvt; + int res=-1; + ast_debug(1, "Requested indication %d on channel %s\n", condition, chan->name); + switch(condition) { + case AST_CONTROL_FLASH: + ioctl(p->fd, IXJCTL_PSTN_SET_STATE, PSTN_ON_HOOK); + usleep(320000); + ioctl(p->fd, IXJCTL_PSTN_SET_STATE, PSTN_OFF_HOOK); + p->lastformat = -1; + res = 0; + break; + case AST_CONTROL_HOLD: + ast_moh_start(chan, data, NULL); + break; + case AST_CONTROL_UNHOLD: + ast_moh_stop(chan); + break; + default: + ast_log(LOG_WARNING, "Condition %d is not supported on channel %s\n", condition, chan->name); + } + return res; +} + +static int phone_fixup(struct ast_channel *old, struct ast_channel *new) +{ + struct phone_pvt *pvt = old->tech_pvt; + if (pvt && pvt->owner == old) + pvt->owner = new; + return 0; +} + +static int phone_digit_begin(struct ast_channel *chan, char digit) +{ + /* XXX Modify this callback to let Asterisk support controlling the length of DTMF */ + return 0; +} + +static int phone_digit_end(struct ast_channel *ast, char digit, unsigned int duration) +{ + struct phone_pvt *p; + int outdigit; + p = ast->tech_pvt; + ast_debug(1, "Dialed %c\n", digit); + switch(digit) { + case '0': + case '1': + case '2': + case '3': + case '4': + case '5': + case '6': + case '7': + case '8': + case '9': + outdigit = digit - '0'; + break; + case '*': + outdigit = 11; + break; + case '#': + outdigit = 12; + break; + case 'f': /*flash*/ + case 'F': + ioctl(p->fd, IXJCTL_PSTN_SET_STATE, PSTN_ON_HOOK); + usleep(320000); + ioctl(p->fd, IXJCTL_PSTN_SET_STATE, PSTN_OFF_HOOK); + p->lastformat = -1; + return 0; + default: + ast_log(LOG_WARNING, "Unknown digit '%c'\n", digit); + return -1; + } + ast_debug(1, "Dialed %d\n", outdigit); + ioctl(p->fd, PHONE_PLAY_TONE, outdigit); + p->lastformat = -1; + return 0; +} + +static int phone_call(struct ast_channel *ast, char *dest, int timeout) +{ + struct phone_pvt *p; + + PHONE_CID cid; + struct timeval UtcTime = ast_tvnow(); + struct ast_tm tm; + int start; + + ast_localtime(&UtcTime, &tm, NULL); + + memset(&cid, 0, sizeof(PHONE_CID)); + if(&tm != NULL) { + snprintf(cid.month, sizeof(cid.month), "%02d",(tm.tm_mon + 1)); + snprintf(cid.day, sizeof(cid.day), "%02d", tm.tm_mday); + snprintf(cid.hour, sizeof(cid.hour), "%02d", tm.tm_hour); + snprintf(cid.min, sizeof(cid.min), "%02d", tm.tm_min); + } + /* the standard format of ast->callerid is: "name" <number>, but not always complete */ + if (ast_strlen_zero(ast->cid.cid_name)) + strcpy(cid.name, DEFAULT_CALLER_ID); + else + ast_copy_string(cid.name, ast->cid.cid_name, sizeof(cid.name)); + + if (ast->cid.cid_num) + ast_copy_string(cid.number, ast->cid.cid_num, sizeof(cid.number)); + + p = ast->tech_pvt; + + if ((ast->_state != AST_STATE_DOWN) && (ast->_state != AST_STATE_RESERVED)) { + ast_log(LOG_WARNING, "phone_call called on %s, neither down nor reserved\n", ast->name); + return -1; + } + ast_debug(1, "Ringing %s on %s (%d)\n", dest, ast->name, ast->fds[0]); + + start = IXJ_PHONE_RING_START(cid); + if (start == -1) + return -1; + + if (p->mode == MODE_FXS) { + char *digit = strchr(dest, '/'); + if (digit) + { + digit++; + while (*digit) + phone_digit_end(ast, *digit++, 0); + } + } + + ast_setstate(ast, AST_STATE_RINGING); + ast_queue_control(ast, AST_CONTROL_RINGING); + return 0; +} + +static int phone_hangup(struct ast_channel *ast) +{ + struct phone_pvt *p; + p = ast->tech_pvt; + ast_debug(1, "phone_hangup(%s)\n", ast->name); + if (!ast->tech_pvt) { + ast_log(LOG_WARNING, "Asked to hangup channel not connected\n"); + return 0; + } + /* XXX Is there anything we can do to really hang up except stop recording? */ + ast_setstate(ast, AST_STATE_DOWN); + if (ioctl(p->fd, PHONE_REC_STOP)) + ast_log(LOG_WARNING, "Failed to stop recording\n"); + if (ioctl(p->fd, PHONE_PLAY_STOP)) + ast_log(LOG_WARNING, "Failed to stop playing\n"); + if (ioctl(p->fd, PHONE_RING_STOP)) + ast_log(LOG_WARNING, "Failed to stop ringing\n"); + if (ioctl(p->fd, PHONE_CPT_STOP)) + ast_log(LOG_WARNING, "Failed to stop sounds\n"); + + /* If it's an FXO, hang them up */ + if (p->mode == MODE_FXO) { + if (ioctl(p->fd, PHONE_PSTN_SET_STATE, PSTN_ON_HOOK)) + ast_debug(1, "ioctl(PHONE_PSTN_SET_STATE) failed on %s (%s)\n",ast->name, strerror(errno)); + } + + /* If they're off hook, give a busy signal */ + if (ioctl(p->fd, PHONE_HOOKSTATE)) { + ast_debug(1, "Got hunghup, giving busy signal\n"); + ioctl(p->fd, PHONE_BUSY); + p->cpt = 1; + } + p->lastformat = -1; + p->lastinput = -1; + p->ministate = 0; + p->obuflen = 0; + p->dialtone = 0; + memset(p->ext, 0, sizeof(p->ext)); + ((struct phone_pvt *)(ast->tech_pvt))->owner = NULL; + ast_module_unref(ast_module_info->self); + ast_verb(3, "Hungup '%s'\n", ast->name); + ast->tech_pvt = NULL; + ast_setstate(ast, AST_STATE_DOWN); + restart_monitor(); + return 0; +} + +static int phone_setup(struct ast_channel *ast) +{ + struct phone_pvt *p; + p = ast->tech_pvt; + ioctl(p->fd, PHONE_CPT_STOP); + /* Nothing to answering really, just start recording */ + if (ast->rawreadformat == AST_FORMAT_G729A) { + /* Prefer g729 */ + ioctl(p->fd, PHONE_REC_STOP); + if (p->lastinput != AST_FORMAT_G729A) { + p->lastinput = AST_FORMAT_G729A; + if (ioctl(p->fd, PHONE_REC_CODEC, G729)) { + ast_log(LOG_WARNING, "Failed to set codec to g729\n"); + return -1; + } + } + } else if (ast->rawreadformat == AST_FORMAT_G723_1) { + ioctl(p->fd, PHONE_REC_STOP); + if (p->lastinput != AST_FORMAT_G723_1) { + p->lastinput = AST_FORMAT_G723_1; + if (ioctl(p->fd, PHONE_REC_CODEC, G723_63)) { + ast_log(LOG_WARNING, "Failed to set codec to g723.1\n"); + return -1; + } + } + } else if (ast->rawreadformat == AST_FORMAT_SLINEAR) { + ioctl(p->fd, PHONE_REC_STOP); + if (p->lastinput != AST_FORMAT_SLINEAR) { + p->lastinput = AST_FORMAT_SLINEAR; + if (ioctl(p->fd, PHONE_REC_CODEC, LINEAR16)) { + ast_log(LOG_WARNING, "Failed to set codec to signed linear 16\n"); + return -1; + } + } + } else if (ast->rawreadformat == AST_FORMAT_ULAW) { + ioctl(p->fd, PHONE_REC_STOP); + if (p->lastinput != AST_FORMAT_ULAW) { + p->lastinput = AST_FORMAT_ULAW; + if (ioctl(p->fd, PHONE_REC_CODEC, ULAW)) { + ast_log(LOG_WARNING, "Failed to set codec to uLaw\n"); + return -1; + } + } + } else if (p->mode == MODE_FXS) { + ioctl(p->fd, PHONE_REC_STOP); + if (p->lastinput != ast->rawreadformat) { + p->lastinput = ast->rawreadformat; + if (ioctl(p->fd, PHONE_REC_CODEC, ast->rawreadformat)) { + ast_log(LOG_WARNING, "Failed to set codec to %d\n", + ast->rawreadformat); + return -1; + } + } + } else { + ast_log(LOG_WARNING, "Can't do format %s\n", ast_getformatname(ast->rawreadformat)); + return -1; + } + if (ioctl(p->fd, PHONE_REC_START)) { + ast_log(LOG_WARNING, "Failed to start recording\n"); + return -1; + } + /* set the DTMF times (the default is too short) */ + ioctl(p->fd, PHONE_SET_TONE_ON_TIME, 300); + ioctl(p->fd, PHONE_SET_TONE_OFF_TIME, 200); + return 0; +} + +static int phone_answer(struct ast_channel *ast) +{ + struct phone_pvt *p; + p = ast->tech_pvt; + /* In case it's a LineJack, take it off hook */ + if (p->mode == MODE_FXO) { + if (ioctl(p->fd, PHONE_PSTN_SET_STATE, PSTN_OFF_HOOK)) + ast_debug(1, "ioctl(PHONE_PSTN_SET_STATE) failed on %s (%s)\n", ast->name, strerror(errno)); + else + ast_debug(1, "Took linejack off hook\n"); + } + phone_setup(ast); + ast_debug(1, "phone_answer(%s)\n", ast->name); + ast->rings = 0; + ast_setstate(ast, AST_STATE_UP); + return 0; +} + +#if 0 +static char phone_2digit(char c) +{ + if (c == 12) + return '#'; + else if (c == 11) + return '*'; + else if ((c < 10) && (c >= 0)) + return '0' + c - 1; + else + return '?'; +} +#endif + +static struct ast_frame *phone_exception(struct ast_channel *ast) +{ + int res; + union telephony_exception phonee; + struct phone_pvt *p = ast->tech_pvt; + char digit; + + /* Some nice norms */ + p->fr.datalen = 0; + p->fr.samples = 0; + p->fr.data = NULL; + p->fr.src = "Phone"; + p->fr.offset = 0; + p->fr.mallocd=0; + p->fr.delivery = ast_tv(0,0); + + phonee.bytes = ioctl(p->fd, PHONE_EXCEPTION); + if (phonee.bits.dtmf_ready) { + ast_debug(1, "phone_exception(): DTMF\n"); + + /* We've got a digit -- Just handle this nicely and easily */ + digit = ioctl(p->fd, PHONE_GET_DTMF_ASCII); + p->fr.subclass = digit; + p->fr.frametype = AST_FRAME_DTMF; + return &p->fr; + } + if (phonee.bits.hookstate) { + ast_debug(1, "Hookstate changed\n"); + res = ioctl(p->fd, PHONE_HOOKSTATE); + /* See if we've gone on hook, if so, notify by returning NULL */ + ast_debug(1, "New hookstate: %d\n", res); + if (!res && (p->mode != MODE_FXO)) + return NULL; + else { + if (ast->_state == AST_STATE_RINGING) { + /* They've picked up the phone */ + p->fr.frametype = AST_FRAME_CONTROL; + p->fr.subclass = AST_CONTROL_ANSWER; + phone_setup(ast); + ast_setstate(ast, AST_STATE_UP); + return &p->fr; + } else + ast_log(LOG_WARNING, "Got off hook in weird state %d\n", ast->_state); + } + } +#if 1 + if (phonee.bits.pstn_ring) + ast_verbose("Unit is ringing\n"); + if (phonee.bits.caller_id) { + ast_verbose("We have caller ID\n"); + } + if (phonee.bits.pstn_wink) + ast_verbose("Detected Wink\n"); +#endif + /* Strange -- nothing there.. */ + p->fr.frametype = AST_FRAME_NULL; + p->fr.subclass = 0; + return &p->fr; +} + +static struct ast_frame *phone_read(struct ast_channel *ast) +{ + int res; + struct phone_pvt *p = ast->tech_pvt; + + + /* Some nice norms */ + p->fr.datalen = 0; + p->fr.samples = 0; + p->fr.data = NULL; + p->fr.src = "Phone"; + p->fr.offset = 0; + p->fr.mallocd=0; + p->fr.delivery = ast_tv(0,0); + + /* Try to read some data... */ + CHECK_BLOCKING(ast); + res = read(p->fd, p->buf, PHONE_MAX_BUF); + ast_clear_flag(ast, AST_FLAG_BLOCKING); + if (res < 0) { +#if 0 + if (errno == EAGAIN) { + ast_log(LOG_WARNING, "Null frame received\n"); + p->fr.frametype = AST_FRAME_NULL; + p->fr.subclass = 0; + return &p->fr; + } +#endif + ast_log(LOG_WARNING, "Error reading: %s\n", strerror(errno)); + return NULL; + } + p->fr.data = p->buf; + if (p->mode != MODE_FXS) + switch(p->buf[0] & 0x3) { + case '0': + case '1': + /* Normal */ + break; + case '2': + case '3': + /* VAD/CNG, only send two words */ + res = 4; + break; + } + p->fr.samples = 240; + p->fr.datalen = res; + p->fr.frametype = p->lastinput <= AST_FORMAT_AUDIO_MASK ? + AST_FRAME_VOICE : + p->lastinput <= AST_FORMAT_PNG ? AST_FRAME_IMAGE + : AST_FRAME_VIDEO; + p->fr.subclass = p->lastinput; + p->fr.offset = AST_FRIENDLY_OFFSET; + /* Byteswap from little-endian to native-endian */ + if (p->fr.subclass == AST_FORMAT_SLINEAR) + ast_frame_byteswap_le(&p->fr); + return &p->fr; +} + +static int phone_write_buf(struct phone_pvt *p, const char *buf, int len, int frlen, int swap) +{ + int res; + /* Store as much of the buffer as we can, then write fixed frames */ + int space = sizeof(p->obuf) - p->obuflen; + /* Make sure we have enough buffer space to store the frame */ + if (space < len) + len = space; + if (swap) + ast_swapcopy_samples(p->obuf+p->obuflen, buf, len/2); + else + memcpy(p->obuf + p->obuflen, buf, len); + p->obuflen += len; + while(p->obuflen > frlen) { + res = write(p->fd, p->obuf, frlen); + if (res != frlen) { + if (res < 1) { +/* + * Card is in non-blocking mode now and it works well now, but there are + * lot of messages like this. So, this message is temporarily disabled. + */ + return 0; + } else { + ast_log(LOG_WARNING, "Only wrote %d of %d bytes\n", res, frlen); + } + } + p->obuflen -= frlen; + /* Move memory if necessary */ + if (p->obuflen) + memmove(p->obuf, p->obuf + frlen, p->obuflen); + } + return len; +} + +static int phone_send_text(struct ast_channel *ast, const char *text) +{ + int length = strlen(text); + return phone_write_buf(ast->tech_pvt, text, length, length, 0) == + length ? 0 : -1; +} + +static int phone_write(struct ast_channel *ast, struct ast_frame *frame) +{ + struct phone_pvt *p = ast->tech_pvt; + int res; + int maxfr=0; + char *pos; + int sofar; + int expected; + int codecset = 0; + char tmpbuf[4]; + /* Write a frame of (presumably voice) data */ + if (frame->frametype != AST_FRAME_VOICE && p->mode != MODE_FXS) { + 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_G723_1 | AST_FORMAT_SLINEAR | AST_FORMAT_ULAW | AST_FORMAT_G729A)) && + p->mode != MODE_FXS) { + ast_log(LOG_WARNING, "Cannot handle frames in %d format\n", frame->subclass); + return -1; + } +#if 0 + /* If we're not in up mode, go into up mode now */ + if (ast->_state != AST_STATE_UP) { + ast_setstate(ast, AST_STATE_UP); + phone_setup(ast); + } +#else + if (ast->_state != AST_STATE_UP) { + /* Don't try tos end audio on-hook */ + return 0; + } +#endif + if (frame->subclass == AST_FORMAT_G729A) { + if (p->lastformat != AST_FORMAT_G729A) { + ioctl(p->fd, PHONE_PLAY_STOP); + ioctl(p->fd, PHONE_REC_STOP); + if (ioctl(p->fd, PHONE_PLAY_CODEC, G729)) { + ast_log(LOG_WARNING, "Unable to set G729 mode\n"); + return -1; + } + if (ioctl(p->fd, PHONE_REC_CODEC, G729)) { + ast_log(LOG_WARNING, "Unable to set G729 mode\n"); + return -1; + } + p->lastformat = AST_FORMAT_G729A; + p->lastinput = AST_FORMAT_G729A; + /* Reset output buffer */ + p->obuflen = 0; + codecset = 1; + } + if (frame->datalen > 80) { + ast_log(LOG_WARNING, "Frame size too large for G.729 (%d bytes)\n", frame->datalen); + return -1; + } + maxfr = 80; + } else if (frame->subclass == AST_FORMAT_G723_1) { + if (p->lastformat != AST_FORMAT_G723_1) { + ioctl(p->fd, PHONE_PLAY_STOP); + ioctl(p->fd, PHONE_REC_STOP); + if (ioctl(p->fd, PHONE_PLAY_CODEC, G723_63)) { + ast_log(LOG_WARNING, "Unable to set G723.1 mode\n"); + return -1; + } + if (ioctl(p->fd, PHONE_REC_CODEC, G723_63)) { + ast_log(LOG_WARNING, "Unable to set G723.1 mode\n"); + return -1; + } + p->lastformat = AST_FORMAT_G723_1; + p->lastinput = AST_FORMAT_G723_1; + /* Reset output buffer */ + p->obuflen = 0; + codecset = 1; + } + if (frame->datalen > 24) { + ast_log(LOG_WARNING, "Frame size too large for G.723.1 (%d bytes)\n", frame->datalen); + return -1; + } + maxfr = 24; + } else if (frame->subclass == AST_FORMAT_SLINEAR) { + if (p->lastformat != AST_FORMAT_SLINEAR) { + ioctl(p->fd, PHONE_PLAY_STOP); + ioctl(p->fd, PHONE_REC_STOP); + if (ioctl(p->fd, PHONE_PLAY_CODEC, LINEAR16)) { + ast_log(LOG_WARNING, "Unable to set 16-bit linear mode\n"); + return -1; + } + if (ioctl(p->fd, PHONE_REC_CODEC, LINEAR16)) { + ast_log(LOG_WARNING, "Unable to set 16-bit linear mode\n"); + return -1; + } + p->lastformat = AST_FORMAT_SLINEAR; + p->lastinput = AST_FORMAT_SLINEAR; + codecset = 1; + /* Reset output buffer */ + p->obuflen = 0; + } + maxfr = 480; + } else if (frame->subclass == AST_FORMAT_ULAW) { + if (p->lastformat != AST_FORMAT_ULAW) { + ioctl(p->fd, PHONE_PLAY_STOP); + ioctl(p->fd, PHONE_REC_STOP); + if (ioctl(p->fd, PHONE_PLAY_CODEC, ULAW)) { + ast_log(LOG_WARNING, "Unable to set uLaw mode\n"); + return -1; + } + if (ioctl(p->fd, PHONE_REC_CODEC, ULAW)) { + ast_log(LOG_WARNING, "Unable to set uLaw mode\n"); + return -1; + } + p->lastformat = AST_FORMAT_ULAW; + p->lastinput = AST_FORMAT_ULAW; + codecset = 1; + /* Reset output buffer */ + p->obuflen = 0; + } + maxfr = 240; + } else { + if (p->lastformat != frame->subclass) { + ioctl(p->fd, PHONE_PLAY_STOP); + ioctl(p->fd, PHONE_REC_STOP); + if (ioctl(p->fd, PHONE_PLAY_CODEC, frame->subclass)) { + ast_log(LOG_WARNING, "Unable to set %d mode\n", + frame->subclass); + return -1; + } + if (ioctl(p->fd, PHONE_REC_CODEC, frame->subclass)) { + ast_log(LOG_WARNING, "Unable to set %d mode\n", + frame->subclass); + return -1; + } + p->lastformat = frame->subclass; + p->lastinput = frame->subclass; + codecset = 1; + /* Reset output buffer */ + p->obuflen = 0; + } + maxfr = 480; + } + if (codecset) { + ioctl(p->fd, PHONE_REC_DEPTH, 3); + ioctl(p->fd, PHONE_PLAY_DEPTH, 3); + if (ioctl(p->fd, PHONE_PLAY_START)) { + ast_log(LOG_WARNING, "Failed to start playback\n"); + return -1; + } + if (ioctl(p->fd, PHONE_REC_START)) { + ast_log(LOG_WARNING, "Failed to start recording\n"); + return -1; + } + } + /* If we get here, we have a frame of Appropriate data */ + sofar = 0; + pos = frame->data; + while(sofar < frame->datalen) { + /* Write in no more than maxfr sized frames */ + expected = frame->datalen - sofar; + if (maxfr < expected) + expected = maxfr; + /* XXX Internet Phone Jack does not handle the 4-byte VAD frame properly! XXX + we have to pad it to 24 bytes still. */ + if (frame->datalen == 4) { + if (p->silencesupression) { + memset(tmpbuf + 4, 0, sizeof(tmpbuf) - 4); + memcpy(tmpbuf, frame->data, 4); + expected = 24; + res = phone_write_buf(p, tmpbuf, expected, maxfr, 0); + } + res = 4; + expected=4; + } else { + int swap = 0; +#if __BYTE_ORDER == __BIG_ENDIAN + if (frame->subclass == AST_FORMAT_SLINEAR) + swap = 1; /* Swap big-endian samples to little-endian as we copy */ +#endif + res = phone_write_buf(p, pos, expected, maxfr, swap); + } + if (res != expected) { + if ((errno != EAGAIN) && (errno != EINTR)) { + if (res < 0) + ast_log(LOG_WARNING, "Write returned error (%s)\n", strerror(errno)); + /* + * Card is in non-blocking mode now and it works well now, but there are + * lot of messages like this. So, this message is temporarily disabled. + */ +#if 0 + else + ast_log(LOG_WARNING, "Only wrote %d of %d bytes\n", res, frame->datalen); +#endif + return -1; + } else /* Pretend it worked */ + res = expected; + } + sofar += res; + pos += res; + } + return 0; +} + +static struct ast_channel *phone_new(struct phone_pvt *i, int state, char *context) +{ + struct ast_channel *tmp; + struct phone_codec_data codec; + tmp = ast_channel_alloc(1, state, i->cid_num, i->cid_name, "", i->ext, i->context, 0, "Phone/%s", i->dev + 5); + if (tmp) { + tmp->tech = cur_tech; + ast_channel_set_fd(tmp, 0, i->fd); + /* XXX Switching formats silently causes kernel panics XXX */ + if (i->mode == MODE_FXS && + ioctl(i->fd, PHONE_QUERY_CODEC, &codec) == 0) { + if (codec.type == LINEAR16) + tmp->nativeformats = + tmp->rawreadformat = + tmp->rawwriteformat = + AST_FORMAT_SLINEAR; + else { + tmp->nativeformats = + tmp->rawreadformat = + tmp->rawwriteformat = + prefformat & ~AST_FORMAT_SLINEAR; + } + } + else { + tmp->nativeformats = prefformat; + tmp->rawreadformat = prefformat; + tmp->rawwriteformat = prefformat; + } + /* no need to call ast_setstate: the channel_alloc already did its job */ + if (state == AST_STATE_RING) + tmp->rings = 1; + tmp->tech_pvt = i; + ast_copy_string(tmp->context, context, sizeof(tmp->context)); + if (!ast_strlen_zero(i->ext)) + ast_copy_string(tmp->exten, i->ext, sizeof(tmp->exten)); + else + strcpy(tmp->exten, "s"); + if (!ast_strlen_zero(i->language)) + ast_string_field_set(tmp, language, i->language); + + /* Don't use ast_set_callerid() here because it will + * generate a NewCallerID event before the NewChannel event */ + tmp->cid.cid_ani = ast_strdup(i->cid_num); + + i->owner = tmp; + ast_module_ref(ast_module_info->self); + if (state != AST_STATE_DOWN) { + if (state == AST_STATE_RING) { + ioctl(tmp->fds[0], PHONE_RINGBACK); + i->cpt = 1; + } + 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 void phone_mini_packet(struct phone_pvt *i) +{ + int res; + char buf[1024]; + /* Ignore stuff we read... */ + res = read(i->fd, buf, sizeof(buf)); + if (res < 1) { + ast_log(LOG_WARNING, "Read returned %d: %s\n", res, strerror(errno)); + return; + } +} + +static void phone_check_exception(struct phone_pvt *i) +{ + int offhook=0; + char digit[2] = {0 , 0}; + union telephony_exception phonee; + /* XXX Do something XXX */ +#if 0 + ast_debug(1, "Exception!\n"); +#endif + phonee.bytes = ioctl(i->fd, PHONE_EXCEPTION); + if (phonee.bits.dtmf_ready) { + digit[0] = ioctl(i->fd, PHONE_GET_DTMF_ASCII); + if (i->mode == MODE_DIALTONE || i->mode == MODE_FXS || i->mode == MODE_SIGMA) { + ioctl(i->fd, PHONE_PLAY_STOP); + ioctl(i->fd, PHONE_REC_STOP); + ioctl(i->fd, PHONE_CPT_STOP); + i->dialtone = 0; + if (strlen(i->ext) < AST_MAX_EXTENSION - 1) + strncat(i->ext, digit, sizeof(i->ext) - strlen(i->ext) - 1); + if ((i->mode != MODE_FXS || + !(phonee.bytes = ioctl(i->fd, PHONE_EXCEPTION)) || + !phonee.bits.dtmf_ready) && + ast_exists_extension(NULL, i->context, i->ext, 1, i->cid_num)) { + /* It's a valid extension in its context, get moving! */ + phone_new(i, AST_STATE_RING, i->context); + /* No need to restart monitor, we are the monitor */ + } else if (!ast_canmatch_extension(NULL, i->context, i->ext, 1, i->cid_num)) { + /* There is nothing in the specified extension that can match anymore. + Try the default */ + if (ast_exists_extension(NULL, "default", i->ext, 1, i->cid_num)) { + /* Check the default, too... */ + phone_new(i, AST_STATE_RING, "default"); + /* XXX This should probably be justified better XXX */ + } else if (!ast_canmatch_extension(NULL, "default", i->ext, 1, i->cid_num)) { + /* It's not a valid extension, give a busy signal */ + ast_debug(1, "%s can't match anything in %s or default\n", i->ext, i->context); + ioctl(i->fd, PHONE_BUSY); + i->cpt = 1; + } + } +#if 0 + ast_verbose("Extension is %s\n", i->ext); +#endif + } + } + if (phonee.bits.hookstate) { + offhook = ioctl(i->fd, PHONE_HOOKSTATE); + if (offhook) { + if (i->mode == MODE_IMMEDIATE) { + phone_new(i, AST_STATE_RING, i->context); + } else if (i->mode == MODE_DIALTONE) { + ast_module_ref(ast_module_info->self); + /* Reset the extension */ + i->ext[0] = '\0'; + /* Play the dialtone */ + i->dialtone++; + ioctl(i->fd, PHONE_PLAY_STOP); + ioctl(i->fd, PHONE_PLAY_CODEC, ULAW); + ioctl(i->fd, PHONE_PLAY_START); + i->lastformat = -1; + } else if (i->mode == MODE_SIGMA) { + ast_module_ref(ast_module_info->self); + /* Reset the extension */ + i->ext[0] = '\0'; + /* Play the dialtone */ + i->dialtone++; + ioctl(i->fd, PHONE_DIALTONE); + } + } else { + if (i->dialtone) + ast_module_unref(ast_module_info->self); + memset(i->ext, 0, sizeof(i->ext)); + if (i->cpt) + { + ioctl(i->fd, PHONE_CPT_STOP); + i->cpt = 0; + } + ioctl(i->fd, PHONE_PLAY_STOP); + ioctl(i->fd, PHONE_REC_STOP); + i->dialtone = 0; + i->lastformat = -1; + } + } + if (phonee.bits.pstn_ring) { + ast_verbose("Unit is ringing\n"); + phone_new(i, AST_STATE_RING, i->context); + } + if (phonee.bits.caller_id) + ast_verbose("We have caller ID\n"); + + +} + +static void *do_monitor(void *data) +{ + fd_set rfds, efds; + int n, res; + struct phone_pvt *i; + int tonepos = 0; + /* The tone we're playing this round */ + struct timeval tv = {0,0}; + int dotone; + /* This thread monitors all the frame relay interfaces which are not yet in use + (and thus do not have a separate thread) indefinitely */ + while (monitor) { + /* Don't let anybody kill us right away. Nobody should lock the interface list + and wait for the monitor list, but the other way around is okay. */ + /* Lock the interface list */ + if (ast_mutex_lock(&iflock)) { + ast_log(LOG_ERROR, "Unable to grab interface lock\n"); + return NULL; + } + /* Build the stuff we're going to select on, that is the socket of every + phone_pvt that does not have an associated owner channel */ + n = -1; + FD_ZERO(&rfds); + FD_ZERO(&efds); + i = iflist; + dotone = 0; + while (i) { + if (FD_ISSET(i->fd, &rfds)) + ast_log(LOG_WARNING, "Descriptor %d appears twice (%s)?\n", i->fd, i->dev); + if (!i->owner) { + /* This needs to be watched, as it lacks an owner */ + FD_SET(i->fd, &rfds); + FD_SET(i->fd, &efds); + if (i->fd > n) + n = i->fd; + if (i->dialtone && i->mode != MODE_SIGMA) { + /* Remember we're going to have to come back and play + more dialtones */ + if (ast_tvzero(tv)) { + /* If we're due for a dialtone, play one */ + if (write(i->fd, DialTone + tonepos, 240) != 240) + ast_log(LOG_WARNING, "Dial tone write error\n"); + } + dotone++; + } + } + + i = i->next; + } + /* Okay, now that we know what to do, release the interface lock */ + ast_mutex_unlock(&iflock); + + /* Wait indefinitely for something to happen */ + if (dotone && i && i->mode != MODE_SIGMA) { + /* If we're ready to recycle the time, set it to 30 ms */ + tonepos += 240; + if (tonepos >= sizeof(DialTone)) + tonepos = 0; + if (ast_tvzero(tv)) { + tv = ast_tv(30000, 0); + } + res = ast_select(n + 1, &rfds, NULL, &efds, &tv); + } else { + res = ast_select(n + 1, &rfds, NULL, &efds, NULL); + tv = ast_tv(0,0); + tonepos = 0; + } + /* Okay, select has finished. Let's see what happened. */ + if (res < 0) { + ast_debug(1, "select return %d: %s\n", res, strerror(errno)); + continue; + } + /* If there are no fd's changed, just continue, it's probably time + to play some more dialtones */ + if (!res) + continue; + /* Alright, lock the interface list again, and let's look and see what has + happened */ + if (ast_mutex_lock(&iflock)) { + ast_log(LOG_WARNING, "Unable to lock the interface list\n"); + continue; + } + + i = iflist; + for(; i; i=i->next) { + if (FD_ISSET(i->fd, &rfds)) { + if (i->owner) { + continue; + } + phone_mini_packet(i); + } + if (FD_ISSET(i->fd, &efds)) { + if (i->owner) { + continue; + } + phone_check_exception(i); + } + } + ast_mutex_unlock(&iflock); + } + return NULL; + +} + +static int restart_monitor() +{ + /* If we're supposed to be stopped -- stay stopped */ + if (monitor_thread == AST_PTHREADT_STOP) + return 0; + if (ast_mutex_lock(&monlock)) { + ast_log(LOG_WARNING, "Unable to lock monitor\n"); + return -1; + } + 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) { + if (ast_mutex_lock(&iflock)) { + ast_mutex_unlock(&monlock); + ast_log(LOG_WARNING, "Unable to lock the interface list\n"); + return -1; + } + monitor = 0; + while (pthread_kill(monitor_thread, SIGURG) == 0) + sched_yield(); + pthread_join(monitor_thread, NULL); + ast_mutex_unlock(&iflock); + } + monitor = 1; + /* Start a new monitor */ + if (ast_pthread_create_background(&monitor_thread, NULL, do_monitor, NULL) < 0) { + ast_mutex_unlock(&monlock); + ast_log(LOG_ERROR, "Unable to start monitor thread.\n"); + return -1; + } + ast_mutex_unlock(&monlock); + return 0; +} + +static struct phone_pvt *mkif(const char *iface, int mode, int txgain, int rxgain) +{ + /* Make a phone_pvt structure for this interface */ + struct phone_pvt *tmp; + int flags; + + tmp = ast_calloc(1, sizeof(*tmp)); + if (tmp) { + tmp->fd = open(iface, O_RDWR); + if (tmp->fd < 0) { + ast_log(LOG_WARNING, "Unable to open '%s'\n", iface); + ast_free(tmp); + return NULL; + } + if (mode == MODE_FXO) { + if (ioctl(tmp->fd, IXJCTL_PORT, PORT_PSTN)) { + ast_debug(1, "Unable to set port to PSTN\n"); + } + } else { + if (ioctl(tmp->fd, IXJCTL_PORT, PORT_POTS)) + if (mode != MODE_FXS) + ast_debug(1, "Unable to set port to POTS\n"); + } + ioctl(tmp->fd, PHONE_PLAY_STOP); + ioctl(tmp->fd, PHONE_REC_STOP); + ioctl(tmp->fd, PHONE_RING_STOP); + ioctl(tmp->fd, PHONE_CPT_STOP); + if (ioctl(tmp->fd, PHONE_PSTN_SET_STATE, PSTN_ON_HOOK)) + ast_debug(1, "ioctl(PHONE_PSTN_SET_STATE) failed on %s (%s)\n",iface, strerror(errno)); + if (echocancel != AEC_OFF) + ioctl(tmp->fd, IXJCTL_AEC_START, echocancel); + if (silencesupression) + tmp->silencesupression = 1; +#ifdef PHONE_VAD + ioctl(tmp->fd, PHONE_VAD, tmp->silencesupression); +#endif + tmp->mode = mode; + flags = fcntl(tmp->fd, F_GETFL); + fcntl(tmp->fd, F_SETFL, flags | O_NONBLOCK); + tmp->owner = NULL; + tmp->lastformat = -1; + tmp->lastinput = -1; + tmp->ministate = 0; + memset(tmp->ext, 0, sizeof(tmp->ext)); + ast_copy_string(tmp->language, language, sizeof(tmp->language)); + ast_copy_string(tmp->dev, iface, sizeof(tmp->dev)); + ast_copy_string(tmp->context, context, sizeof(tmp->context)); + tmp->next = NULL; + tmp->obuflen = 0; + tmp->dialtone = 0; + tmp->cpt = 0; + ast_copy_string(tmp->cid_num, cid_num, sizeof(tmp->cid_num)); + ast_copy_string(tmp->cid_name, cid_name, sizeof(tmp->cid_name)); + tmp->txgain = txgain; + ioctl(tmp->fd, PHONE_PLAY_VOLUME, tmp->txgain); + tmp->rxgain = rxgain; + ioctl(tmp->fd, PHONE_REC_VOLUME, tmp->rxgain); + } + return tmp; +} + +static struct ast_channel *phone_request(const char *type, int format, void *data, int *cause) +{ + int oldformat; + struct phone_pvt *p; + struct ast_channel *tmp = NULL; + char *name = data; + + /* Search for an unowned channel */ + if (ast_mutex_lock(&iflock)) { + ast_log(LOG_ERROR, "Unable to lock interface list???\n"); + return NULL; + } + p = iflist; + while(p) { + if (p->mode == MODE_FXS || + format & (AST_FORMAT_G729A | AST_FORMAT_G723_1 | AST_FORMAT_SLINEAR | AST_FORMAT_ULAW)) { + size_t length = strlen(p->dev + 5); + if (strncmp(name, p->dev + 5, length) == 0 && + !isalnum(name[length])) { + if (!p->owner) { + tmp = phone_new(p, AST_STATE_DOWN, p->context); + break; + } else + *cause = AST_CAUSE_BUSY; + } + } + p = p->next; + } + ast_mutex_unlock(&iflock); + restart_monitor(); + if (tmp == NULL) { + oldformat = format; + format &= (AST_FORMAT_G729A | AST_FORMAT_G723_1 | AST_FORMAT_SLINEAR | AST_FORMAT_ULAW); + if (!format) { + ast_log(LOG_NOTICE, "Asked to get a channel of unsupported format '%d'\n", oldformat); + return NULL; + } + } + return tmp; +} + +/* parse gain value from config file */ +static int parse_gain_value(const char *gain_type, const 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; + } + + /* multiplicate gain by 1.0 gain value */ + gain = gain * (float)DEFAULT_GAIN; + + /* percentage? */ + if (value[strlen(value) - 1] == '%') + return (int)(gain / (float)100); + + return (int)gain; +} + +static int __unload_module(void) +{ + struct phone_pvt *p, *pl; + /* First, take us out of the channel loop */ + if (cur_tech) + ast_channel_unregister(cur_tech); + if (!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); + } else { + ast_log(LOG_WARNING, "Unable to lock the monitor\n"); + return -1; + } + if (!ast_mutex_lock(&monlock)) { + if (monitor_thread > AST_PTHREADT_NULL) { + monitor = 0; + while (pthread_kill(monitor_thread, SIGURG) == 0) + sched_yield(); + pthread_join(monitor_thread, NULL); + } + monitor_thread = AST_PTHREADT_STOP; + ast_mutex_unlock(&monlock); + } else { + ast_log(LOG_WARNING, "Unable to lock the monitor\n"); + return -1; + } + + if (!ast_mutex_lock(&iflock)) { + /* Destroy all the interfaces and free their memory */ + p = iflist; + while(p) { + /* Close the socket, assuming it's real */ + if (p->fd > -1) + close(p->fd); + pl = p; + p = p->next; + /* Free associated memory */ + ast_free(pl); + } + iflist = NULL; + ast_mutex_unlock(&iflock); + } else { + ast_log(LOG_WARNING, "Unable to lock the monitor\n"); + return -1; + } + + return 0; +} + +static int unload_module(void) +{ + return __unload_module(); +} + +static int load_module(void) +{ + struct ast_config *cfg; + struct ast_variable *v; + struct phone_pvt *tmp; + int mode = MODE_IMMEDIATE; + int txgain = DEFAULT_GAIN, rxgain = DEFAULT_GAIN; /* default gain 1.0 */ + struct ast_flags config_flags = { 0 }; + + 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; + } + if (ast_mutex_lock(&iflock)) { + /* It's a little silly to lock it, but we mind as well just to be sure */ + ast_log(LOG_ERROR, "Unable to lock interface list???\n"); + return AST_MODULE_LOAD_FAILURE; + } + v = ast_variable_browse(cfg, "interfaces"); + while(v) { + /* Create the interface list */ + if (!strcasecmp(v->name, "device")) { + tmp = mkif(v->value, mode, txgain, rxgain); + if (tmp) { + tmp->next = iflist; + iflist = tmp; + + } else { + ast_log(LOG_ERROR, "Unable to register channel '%s'\n", v->value); + ast_config_destroy(cfg); + ast_mutex_unlock(&iflock); + __unload_module(); + return AST_MODULE_LOAD_FAILURE; + } + } else if (!strcasecmp(v->name, "silencesupression")) { + silencesupression = ast_true(v->value); + } else if (!strcasecmp(v->name, "language")) { + ast_copy_string(language, v->value, sizeof(language)); + } else if (!strcasecmp(v->name, "callerid")) { + ast_callerid_split(v->value, cid_name, sizeof(cid_name), cid_num, sizeof(cid_num)); + } else if (!strcasecmp(v->name, "mode")) { + if (!strncasecmp(v->value, "di", 2)) + mode = MODE_DIALTONE; + else if (!strncasecmp(v->value, "sig", 3)) + mode = MODE_SIGMA; + else if (!strncasecmp(v->value, "im", 2)) + mode = MODE_IMMEDIATE; + else if (!strncasecmp(v->value, "fxs", 3)) { + mode = MODE_FXS; + prefformat = 0x01ff0000; /* All non-voice */ + } + else if (!strncasecmp(v->value, "fx", 2)) + mode = MODE_FXO; + else + ast_log(LOG_WARNING, "Unknown mode: %s\n", v->value); + } else if (!strcasecmp(v->name, "context")) { + ast_copy_string(context, v->value, sizeof(context)); + } else if (!strcasecmp(v->name, "format")) { + if (!strcasecmp(v->value, "g729")) { + prefformat = AST_FORMAT_G729A; + } else if (!strcasecmp(v->value, "g723.1")) { + prefformat = AST_FORMAT_G723_1; + } else if (!strcasecmp(v->value, "slinear")) { + if (mode == MODE_FXS) + prefformat |= AST_FORMAT_SLINEAR; + else prefformat = AST_FORMAT_SLINEAR; + } else if (!strcasecmp(v->value, "ulaw")) { + prefformat = AST_FORMAT_ULAW; + } else + ast_log(LOG_WARNING, "Unknown format '%s'\n", v->value); + } else if (!strcasecmp(v->name, "echocancel")) { + if (!strcasecmp(v->value, "off")) { + echocancel = AEC_OFF; + } else if (!strcasecmp(v->value, "low")) { + echocancel = AEC_LOW; + } else if (!strcasecmp(v->value, "medium")) { + echocancel = AEC_MED; + } else if (!strcasecmp(v->value, "high")) { + echocancel = AEC_HIGH; + } else + ast_log(LOG_WARNING, "Unknown echo cancellation '%s'\n", v->value); + } else if (!strcasecmp(v->name, "txgain")) { + txgain = parse_gain_value(v->name, v->value); + } else if (!strcasecmp(v->name, "rxgain")) { + rxgain = parse_gain_value(v->name, v->value); + } + v = v->next; + } + ast_mutex_unlock(&iflock); + + if (mode == MODE_FXS) { + phone_tech_fxs.capabilities = prefformat; + cur_tech = &phone_tech_fxs; + } else + cur_tech = (struct ast_channel_tech *) &phone_tech; + + /* Make sure we can register our Adtranphone channel type */ + + if (ast_channel_register(cur_tech)) { + ast_log(LOG_ERROR, "Unable to register channel class 'Phone'\n"); + ast_config_destroy(cfg); + __unload_module(); + return AST_MODULE_LOAD_FAILURE; + } + ast_config_destroy(cfg); + /* And start the monitor for the first time */ + restart_monitor(); + return AST_MODULE_LOAD_SUCCESS; +} + +AST_MODULE_INFO_STANDARD(ASTERISK_GPL_KEY, "Linux Telephony API Support"); 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