diff options
Diffstat (limited to '1.4.23-rc4/channels/chan_phone.c')
| -rw-r--r-- | 1.4.23-rc4/channels/chan_phone.c | 1433 |
1 files changed, 0 insertions, 1433 deletions
diff --git a/1.4.23-rc4/channels/chan_phone.c b/1.4.23-rc4/channels/chan_phone.c deleted file mode 100644 index 55bda8b72..000000000 --- a/1.4.23-rc4/channels/chan_phone.c +++ /dev/null @@ -1,1433 +0,0 @@ -/* - * 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 <stdio.h> -#include <string.h> -#include <ctype.h> -#include <sys/socket.h> -#include <sys/time.h> -#include <errno.h> -#include <unistd.h> -#include <stdlib.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/logger.h" -#include "asterisk/module.h" -#include "asterisk/pbx.h" -#include "asterisk/options.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_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, - .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_log(LOG_DEBUG, "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; - case AST_CONTROL_SRCUPDATE: - res = 0; - 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_log(LOG_DEBUG, "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_log(LOG_DEBUG, "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; - time_t UtcTime; - struct tm tm; - int start; - - time(&UtcTime); - 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; - } - if (option_debug) - ast_log(LOG_DEBUG, "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; - if (option_debug) - ast_log(LOG_DEBUG, "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_log(LOG_DEBUG, "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)) { - if (option_debug) - ast_log(LOG_DEBUG, "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); - if (option_verbose > 2) - ast_verbose( VERBOSE_PREFIX_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_G723_1) { - /* Prefer g723 */ - 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_log(LOG_DEBUG, "ioctl(PHONE_PSTN_SET_STATE) failed on %s (%s)\n", ast->name, strerror(errno)); - else - ast_log(LOG_DEBUG, "Took linejack off hook\n"); - } - phone_setup(ast); - if (option_debug) - ast_log(LOG_DEBUG, "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) { - if (option_debug) - ast_log(LOG_DEBUG, "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) { - if (option_debug) - ast_log(LOG_DEBUG, "Hookstate changed\n"); - res = ioctl(p->fd, PHONE_HOOKSTATE); - /* See if we've gone on hook, if so, notify by returning NULL */ - if (option_debug) - ast_log(LOG_DEBUG, "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_MAX_AUDIO ? - 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)) && - 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_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, 0, sizeof(tmpbuf)); - 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; - tmp->fds[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_log(LOG_DEBUG, "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 */ - if (option_debug) - ast_log(LOG_DEBUG, "%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_log(LOG_DEBUG, "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(char *iface, int mode, int txgain, int rxgain) -{ - /* Make a phone_pvt structure for this interface */ - struct phone_pvt *tmp; - int flags; - - tmp = malloc(sizeof(struct phone_pvt)); - if (tmp) { - tmp->fd = open(iface, O_RDWR); - if (tmp->fd < 0) { - ast_log(LOG_WARNING, "Unable to open '%s'\n", iface); - free(tmp); - return NULL; - } - if (mode == MODE_FXO) { - if (ioctl(tmp->fd, IXJCTL_PORT, PORT_PSTN)) - ast_log(LOG_DEBUG, "Unable to set port to PSTN\n"); - } else { - if (ioctl(tmp->fd, IXJCTL_PORT, PORT_POTS)) - if (mode != MODE_FXS) - ast_log(LOG_DEBUG, "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_log(LOG_DEBUG, "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_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_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(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; - } - - /* 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 */ - 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 */ - cfg = ast_config_load(config); - - /* 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, "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"); |