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00028 #include "asterisk.h"
00029
00030 ASTERISK_FILE_VERSION(__FILE__, "$Revision$")
00031
00032 #include <stdio.h>
00033 #include <string.h>
00034 #include <ctype.h>
00035 #include <sys/socket.h>
00036 #include <sys/time.h>
00037 #include <errno.h>
00038 #include <unistd.h>
00039 #include <stdlib.h>
00040 #include <arpa/inet.h>
00041 #include <fcntl.h>
00042 #include <sys/ioctl.h>
00043 #include <signal.h>
00044 #ifdef HAVE_LINUX_COMPILER_H
00045 #include <linux/compiler.h>
00046 #endif
00047 #include <linux/telephony.h>
00048
00049 #include <linux/version.h>
00050 #include <linux/ixjuser.h>
00051
00052 #include "asterisk/lock.h"
00053 #include "asterisk/channel.h"
00054 #include "asterisk/config.h"
00055 #include "asterisk/logger.h"
00056 #include "asterisk/module.h"
00057 #include "asterisk/pbx.h"
00058 #include "asterisk/options.h"
00059 #include "asterisk/utils.h"
00060 #include "asterisk/callerid.h"
00061 #include "asterisk/causes.h"
00062 #include "asterisk/stringfields.h"
00063 #include "asterisk/musiconhold.h"
00064
00065 #include "DialTone.h"
00066
00067 #ifdef QTI_PHONEJACK_TJ_PCI
00068 #define QNDRV_VER 310
00069 #else
00070 #define QNDRV_VER 100
00071 #endif
00072
00073 #if QNDRV_VER > 100
00074 #ifdef __linux__
00075 #define IXJ_PHONE_RING_START(x) ioctl(p->fd, PHONE_RING_START, &x);
00076 #else
00077 #define IXJ_PHONE_RING_START(x) ioctl(p->fd, PHONE_RING_START, x);
00078 #endif
00079 #else
00080 #define IXJ_PHONE_RING_START(x) ioctl(p->fd, PHONE_RING_START, &x);
00081 #endif
00082
00083 #define DEFAULT_CALLER_ID "Unknown"
00084 #define PHONE_MAX_BUF 480
00085 #define DEFAULT_GAIN 0x100
00086
00087 static const char tdesc[] = "Standard Linux Telephony API Driver";
00088 static const char config[] = "phone.conf";
00089
00090
00091 static char context[AST_MAX_EXTENSION] = "default";
00092
00093
00094 static char language[MAX_LANGUAGE] = "";
00095
00096 static int echocancel = AEC_OFF;
00097
00098 static int silencesupression = 0;
00099
00100 static int prefformat = AST_FORMAT_G723_1 | AST_FORMAT_SLINEAR | AST_FORMAT_ULAW;
00101
00102
00103 AST_MUTEX_DEFINE_STATIC(iflock);
00104
00105
00106
00107 AST_MUTEX_DEFINE_STATIC(monlock);
00108
00109
00110 static unsigned int monitor;
00111
00112
00113
00114 static pthread_t monitor_thread = AST_PTHREADT_NULL;
00115
00116 static int restart_monitor(void);
00117
00118
00119
00120
00121 #define MODE_DIALTONE 1
00122 #define MODE_IMMEDIATE 2
00123 #define MODE_FXO 3
00124 #define MODE_FXS 4
00125 #define MODE_SIGMA 5
00126
00127 static struct phone_pvt {
00128 int fd;
00129 struct ast_channel *owner;
00130 int mode;
00131 int lastformat;
00132 int lastinput;
00133 int ministate;
00134 char dev[256];
00135 struct phone_pvt *next;
00136 struct ast_frame fr;
00137 char offset[AST_FRIENDLY_OFFSET];
00138 char buf[PHONE_MAX_BUF];
00139 int obuflen;
00140 int dialtone;
00141 int txgain, rxgain;
00142
00143 int cpt;
00144 int silencesupression;
00145 char context[AST_MAX_EXTENSION];
00146 char obuf[PHONE_MAX_BUF * 2];
00147 char ext[AST_MAX_EXTENSION];
00148 char language[MAX_LANGUAGE];
00149 char cid_num[AST_MAX_EXTENSION];
00150 char cid_name[AST_MAX_EXTENSION];
00151 } *iflist = NULL;
00152
00153 static char cid_num[AST_MAX_EXTENSION];
00154 static char cid_name[AST_MAX_EXTENSION];
00155
00156 static struct ast_channel *phone_request(const char *type, int format, void *data, int *cause);
00157 static int phone_digit_begin(struct ast_channel *ast, char digit);
00158 static int phone_digit_end(struct ast_channel *ast, char digit, unsigned int duration);
00159 static int phone_call(struct ast_channel *ast, char *dest, int timeout);
00160 static int phone_hangup(struct ast_channel *ast);
00161 static int phone_answer(struct ast_channel *ast);
00162 static struct ast_frame *phone_read(struct ast_channel *ast);
00163 static int phone_write(struct ast_channel *ast, struct ast_frame *frame);
00164 static struct ast_frame *phone_exception(struct ast_channel *ast);
00165 static int phone_send_text(struct ast_channel *ast, const char *text);
00166 static int phone_fixup(struct ast_channel *old, struct ast_channel *new);
00167 static int phone_indicate(struct ast_channel *chan, int condition, const void *data, size_t datalen);
00168
00169 static const struct ast_channel_tech phone_tech = {
00170 .type = "Phone",
00171 .description = tdesc,
00172 .capabilities = AST_FORMAT_G723_1 | AST_FORMAT_SLINEAR | AST_FORMAT_ULAW,
00173 .requester = phone_request,
00174 .send_digit_begin = phone_digit_begin,
00175 .send_digit_end = phone_digit_end,
00176 .call = phone_call,
00177 .hangup = phone_hangup,
00178 .answer = phone_answer,
00179 .read = phone_read,
00180 .write = phone_write,
00181 .exception = phone_exception,
00182 .indicate = phone_indicate,
00183 .fixup = phone_fixup
00184 };
00185
00186 static struct ast_channel_tech phone_tech_fxs = {
00187 .type = "Phone",
00188 .description = tdesc,
00189 .requester = phone_request,
00190 .send_digit_begin = phone_digit_begin,
00191 .send_digit_end = phone_digit_end,
00192 .call = phone_call,
00193 .hangup = phone_hangup,
00194 .answer = phone_answer,
00195 .read = phone_read,
00196 .write = phone_write,
00197 .exception = phone_exception,
00198 .write_video = phone_write,
00199 .send_text = phone_send_text,
00200 .indicate = phone_indicate,
00201 .fixup = phone_fixup
00202 };
00203
00204 static struct ast_channel_tech *cur_tech;
00205
00206 static int phone_indicate(struct ast_channel *chan, int condition, const void *data, size_t datalen)
00207 {
00208 struct phone_pvt *p = chan->tech_pvt;
00209 int res=-1;
00210 ast_log(LOG_DEBUG, "Requested indication %d on channel %s\n", condition, chan->name);
00211 switch(condition) {
00212 case AST_CONTROL_FLASH:
00213 ioctl(p->fd, IXJCTL_PSTN_SET_STATE, PSTN_ON_HOOK);
00214 usleep(320000);
00215 ioctl(p->fd, IXJCTL_PSTN_SET_STATE, PSTN_OFF_HOOK);
00216 p->lastformat = -1;
00217 res = 0;
00218 break;
00219 case AST_CONTROL_HOLD:
00220 ast_moh_start(chan, data, NULL);
00221 break;
00222 case AST_CONTROL_UNHOLD:
00223 ast_moh_stop(chan);
00224 break;
00225 case AST_CONTROL_SRCUPDATE:
00226 res = 0;
00227 break;
00228 default:
00229 ast_log(LOG_WARNING, "Condition %d is not supported on channel %s\n", condition, chan->name);
00230 }
00231 return res;
00232 }
00233
00234 static int phone_fixup(struct ast_channel *old, struct ast_channel *new)
00235 {
00236 struct phone_pvt *pvt = old->tech_pvt;
00237 if (pvt && pvt->owner == old)
00238 pvt->owner = new;
00239 return 0;
00240 }
00241
00242 static int phone_digit_begin(struct ast_channel *chan, char digit)
00243 {
00244
00245 return 0;
00246 }
00247
00248 static int phone_digit_end(struct ast_channel *ast, char digit, unsigned int duration)
00249 {
00250 struct phone_pvt *p;
00251 int outdigit;
00252 p = ast->tech_pvt;
00253 ast_log(LOG_DEBUG, "Dialed %c\n", digit);
00254 switch(digit) {
00255 case '0':
00256 case '1':
00257 case '2':
00258 case '3':
00259 case '4':
00260 case '5':
00261 case '6':
00262 case '7':
00263 case '8':
00264 case '9':
00265 outdigit = digit - '0';
00266 break;
00267 case '*':
00268 outdigit = 11;
00269 break;
00270 case '#':
00271 outdigit = 12;
00272 break;
00273 case 'f':
00274 case 'F':
00275 ioctl(p->fd, IXJCTL_PSTN_SET_STATE, PSTN_ON_HOOK);
00276 usleep(320000);
00277 ioctl(p->fd, IXJCTL_PSTN_SET_STATE, PSTN_OFF_HOOK);
00278 p->lastformat = -1;
00279 return 0;
00280 default:
00281 ast_log(LOG_WARNING, "Unknown digit '%c'\n", digit);
00282 return -1;
00283 }
00284 ast_log(LOG_DEBUG, "Dialed %d\n", outdigit);
00285 ioctl(p->fd, PHONE_PLAY_TONE, outdigit);
00286 p->lastformat = -1;
00287 return 0;
00288 }
00289
00290 static int phone_call(struct ast_channel *ast, char *dest, int timeout)
00291 {
00292 struct phone_pvt *p;
00293
00294 PHONE_CID cid;
00295 time_t UtcTime;
00296 struct tm tm;
00297 int start;
00298
00299 time(&UtcTime);
00300 ast_localtime(&UtcTime, &tm, NULL);
00301
00302 memset(&cid, 0, sizeof(PHONE_CID));
00303 if(&tm != NULL) {
00304 snprintf(cid.month, sizeof(cid.month), "%02d",(tm.tm_mon + 1));
00305 snprintf(cid.day, sizeof(cid.day), "%02d", tm.tm_mday);
00306 snprintf(cid.hour, sizeof(cid.hour), "%02d", tm.tm_hour);
00307 snprintf(cid.min, sizeof(cid.min), "%02d", tm.tm_min);
00308 }
00309
00310 if (ast_strlen_zero(ast->cid.cid_name))
00311 strcpy(cid.name, DEFAULT_CALLER_ID);
00312 else
00313 ast_copy_string(cid.name, ast->cid.cid_name, sizeof(cid.name));
00314
00315 if (ast->cid.cid_num)
00316 ast_copy_string(cid.number, ast->cid.cid_num, sizeof(cid.number));
00317
00318 p = ast->tech_pvt;
00319
00320 if ((ast->_state != AST_STATE_DOWN) && (ast->_state != AST_STATE_RESERVED)) {
00321 ast_log(LOG_WARNING, "phone_call called on %s, neither down nor reserved\n", ast->name);
00322 return -1;
00323 }
00324 if (option_debug)
00325 ast_log(LOG_DEBUG, "Ringing %s on %s (%d)\n", dest, ast->name, ast->fds[0]);
00326
00327 start = IXJ_PHONE_RING_START(cid);
00328 if (start == -1)
00329 return -1;
00330
00331 if (p->mode == MODE_FXS) {
00332 char *digit = strchr(dest, '/');
00333 if (digit)
00334 {
00335 digit++;
00336 while (*digit)
00337 phone_digit_end(ast, *digit++, 0);
00338 }
00339 }
00340
00341 ast_setstate(ast, AST_STATE_RINGING);
00342 ast_queue_control(ast, AST_CONTROL_RINGING);
00343 return 0;
00344 }
00345
00346 static int phone_hangup(struct ast_channel *ast)
00347 {
00348 struct phone_pvt *p;
00349 p = ast->tech_pvt;
00350 if (option_debug)
00351 ast_log(LOG_DEBUG, "phone_hangup(%s)\n", ast->name);
00352 if (!ast->tech_pvt) {
00353 ast_log(LOG_WARNING, "Asked to hangup channel not connected\n");
00354 return 0;
00355 }
00356
00357 ast_setstate(ast, AST_STATE_DOWN);
00358 if (ioctl(p->fd, PHONE_REC_STOP))
00359 ast_log(LOG_WARNING, "Failed to stop recording\n");
00360 if (ioctl(p->fd, PHONE_PLAY_STOP))
00361 ast_log(LOG_WARNING, "Failed to stop playing\n");
00362 if (ioctl(p->fd, PHONE_RING_STOP))
00363 ast_log(LOG_WARNING, "Failed to stop ringing\n");
00364 if (ioctl(p->fd, PHONE_CPT_STOP))
00365 ast_log(LOG_WARNING, "Failed to stop sounds\n");
00366
00367
00368 if (p->mode == MODE_FXO) {
00369 if (ioctl(p->fd, PHONE_PSTN_SET_STATE, PSTN_ON_HOOK))
00370 ast_log(LOG_DEBUG, "ioctl(PHONE_PSTN_SET_STATE) failed on %s (%s)\n",ast->name, strerror(errno));
00371 }
00372
00373
00374 if (ioctl(p->fd, PHONE_HOOKSTATE)) {
00375 if (option_debug)
00376 ast_log(LOG_DEBUG, "Got hunghup, giving busy signal\n");
00377 ioctl(p->fd, PHONE_BUSY);
00378 p->cpt = 1;
00379 }
00380 p->lastformat = -1;
00381 p->lastinput = -1;
00382 p->ministate = 0;
00383 p->obuflen = 0;
00384 p->dialtone = 0;
00385 memset(p->ext, 0, sizeof(p->ext));
00386 ((struct phone_pvt *)(ast->tech_pvt))->owner = NULL;
00387 ast_module_unref(ast_module_info->self);
00388 if (option_verbose > 2)
00389 ast_verbose( VERBOSE_PREFIX_3 "Hungup '%s'\n", ast->name);
00390 ast->tech_pvt = NULL;
00391 ast_setstate(ast, AST_STATE_DOWN);
00392 restart_monitor();
00393 return 0;
00394 }
00395
00396 static int phone_setup(struct ast_channel *ast)
00397 {
00398 struct phone_pvt *p;
00399 p = ast->tech_pvt;
00400 ioctl(p->fd, PHONE_CPT_STOP);
00401
00402 if (ast->rawreadformat == AST_FORMAT_G723_1) {
00403
00404 ioctl(p->fd, PHONE_REC_STOP);
00405 if (p->lastinput != AST_FORMAT_G723_1) {
00406 p->lastinput = AST_FORMAT_G723_1;
00407 if (ioctl(p->fd, PHONE_REC_CODEC, G723_63)) {
00408 ast_log(LOG_WARNING, "Failed to set codec to g723.1\n");
00409 return -1;
00410 }
00411 }
00412 } else if (ast->rawreadformat == AST_FORMAT_SLINEAR) {
00413 ioctl(p->fd, PHONE_REC_STOP);
00414 if (p->lastinput != AST_FORMAT_SLINEAR) {
00415 p->lastinput = AST_FORMAT_SLINEAR;
00416 if (ioctl(p->fd, PHONE_REC_CODEC, LINEAR16)) {
00417 ast_log(LOG_WARNING, "Failed to set codec to signed linear 16\n");
00418 return -1;
00419 }
00420 }
00421 } else if (ast->rawreadformat == AST_FORMAT_ULAW) {
00422 ioctl(p->fd, PHONE_REC_STOP);
00423 if (p->lastinput != AST_FORMAT_ULAW) {
00424 p->lastinput = AST_FORMAT_ULAW;
00425 if (ioctl(p->fd, PHONE_REC_CODEC, ULAW)) {
00426 ast_log(LOG_WARNING, "Failed to set codec to uLaw\n");
00427 return -1;
00428 }
00429 }
00430 } else if (p->mode == MODE_FXS) {
00431 ioctl(p->fd, PHONE_REC_STOP);
00432 if (p->lastinput != ast->rawreadformat) {
00433 p->lastinput = ast->rawreadformat;
00434 if (ioctl(p->fd, PHONE_REC_CODEC, ast->rawreadformat)) {
00435 ast_log(LOG_WARNING, "Failed to set codec to %d\n",
00436 ast->rawreadformat);
00437 return -1;
00438 }
00439 }
00440 } else {
00441 ast_log(LOG_WARNING, "Can't do format %s\n", ast_getformatname(ast->rawreadformat));
00442 return -1;
00443 }
00444 if (ioctl(p->fd, PHONE_REC_START)) {
00445 ast_log(LOG_WARNING, "Failed to start recording\n");
00446 return -1;
00447 }
00448
00449 ioctl(p->fd, PHONE_SET_TONE_ON_TIME, 300);
00450 ioctl(p->fd, PHONE_SET_TONE_OFF_TIME, 200);
00451 return 0;
00452 }
00453
00454 static int phone_answer(struct ast_channel *ast)
00455 {
00456 struct phone_pvt *p;
00457 p = ast->tech_pvt;
00458
00459 if (p->mode == MODE_FXO) {
00460 if (ioctl(p->fd, PHONE_PSTN_SET_STATE, PSTN_OFF_HOOK))
00461 ast_log(LOG_DEBUG, "ioctl(PHONE_PSTN_SET_STATE) failed on %s (%s)\n", ast->name, strerror(errno));
00462 else
00463 ast_log(LOG_DEBUG, "Took linejack off hook\n");
00464 }
00465 phone_setup(ast);
00466 if (option_debug)
00467 ast_log(LOG_DEBUG, "phone_answer(%s)\n", ast->name);
00468 ast->rings = 0;
00469 ast_setstate(ast, AST_STATE_UP);
00470 return 0;
00471 }
00472
00473 #if 0
00474 static char phone_2digit(char c)
00475 {
00476 if (c == 12)
00477 return '#';
00478 else if (c == 11)
00479 return '*';
00480 else if ((c < 10) && (c >= 0))
00481 return '0' + c - 1;
00482 else
00483 return '?';
00484 }
00485 #endif
00486
00487 static struct ast_frame *phone_exception(struct ast_channel *ast)
00488 {
00489 int res;
00490 union telephony_exception phonee;
00491 struct phone_pvt *p = ast->tech_pvt;
00492 char digit;
00493
00494
00495 p->fr.datalen = 0;
00496 p->fr.samples = 0;
00497 p->fr.data = NULL;
00498 p->fr.src = "Phone";
00499 p->fr.offset = 0;
00500 p->fr.mallocd=0;
00501 p->fr.delivery = ast_tv(0,0);
00502
00503 phonee.bytes = ioctl(p->fd, PHONE_EXCEPTION);
00504 if (phonee.bits.dtmf_ready) {
00505 if (option_debug)
00506 ast_log(LOG_DEBUG, "phone_exception(): DTMF\n");
00507
00508
00509 digit = ioctl(p->fd, PHONE_GET_DTMF_ASCII);
00510 p->fr.subclass = digit;
00511 p->fr.frametype = AST_FRAME_DTMF;
00512 return &p->fr;
00513 }
00514 if (phonee.bits.hookstate) {
00515 if (option_debug)
00516 ast_log(LOG_DEBUG, "Hookstate changed\n");
00517 res = ioctl(p->fd, PHONE_HOOKSTATE);
00518
00519 if (option_debug)
00520 ast_log(LOG_DEBUG, "New hookstate: %d\n", res);
00521 if (!res && (p->mode != MODE_FXO))
00522 return NULL;
00523 else {
00524 if (ast->_state == AST_STATE_RINGING) {
00525
00526 p->fr.frametype = AST_FRAME_CONTROL;
00527 p->fr.subclass = AST_CONTROL_ANSWER;
00528 phone_setup(ast);
00529 ast_setstate(ast, AST_STATE_UP);
00530 return &p->fr;
00531 } else
00532 ast_log(LOG_WARNING, "Got off hook in weird state %d\n", ast->_state);
00533 }
00534 }
00535 #if 1
00536 if (phonee.bits.pstn_ring)
00537 ast_verbose("Unit is ringing\n");
00538 if (phonee.bits.caller_id) {
00539 ast_verbose("We have caller ID\n");
00540 }
00541 if (phonee.bits.pstn_wink)
00542 ast_verbose("Detected Wink\n");
00543 #endif
00544
00545 p->fr.frametype = AST_FRAME_NULL;
00546 p->fr.subclass = 0;
00547 return &p->fr;
00548 }
00549
00550 static struct ast_frame *phone_read(struct ast_channel *ast)
00551 {
00552 int res;
00553 struct phone_pvt *p = ast->tech_pvt;
00554
00555
00556
00557 p->fr.datalen = 0;
00558 p->fr.samples = 0;
00559 p->fr.data = NULL;
00560 p->fr.src = "Phone";
00561 p->fr.offset = 0;
00562 p->fr.mallocd=0;
00563 p->fr.delivery = ast_tv(0,0);
00564
00565
00566 CHECK_BLOCKING(ast);
00567 res = read(p->fd, p->buf, PHONE_MAX_BUF);
00568 ast_clear_flag(ast, AST_FLAG_BLOCKING);
00569 if (res < 0) {
00570 #if 0
00571 if (errno == EAGAIN) {
00572 ast_log(LOG_WARNING, "Null frame received\n");
00573 p->fr.frametype = AST_FRAME_NULL;
00574 p->fr.subclass = 0;
00575 return &p->fr;
00576 }
00577 #endif
00578 ast_log(LOG_WARNING, "Error reading: %s\n", strerror(errno));
00579 return NULL;
00580 }
00581 p->fr.data = p->buf;
00582 if (p->mode != MODE_FXS)
00583 switch(p->buf[0] & 0x3) {
00584 case '0':
00585 case '1':
00586
00587 break;
00588 case '2':
00589 case '3':
00590
00591 res = 4;
00592 break;
00593 }
00594 p->fr.samples = 240;
00595 p->fr.datalen = res;
00596 p->fr.frametype = p->lastinput <= AST_FORMAT_MAX_AUDIO ?
00597 AST_FRAME_VOICE :
00598 p->lastinput <= AST_FORMAT_PNG ? AST_FRAME_IMAGE
00599 : AST_FRAME_VIDEO;
00600 p->fr.subclass = p->lastinput;
00601 p->fr.offset = AST_FRIENDLY_OFFSET;
00602
00603 if (p->fr.subclass == AST_FORMAT_SLINEAR)
00604 ast_frame_byteswap_le(&p->fr);
00605 return &p->fr;
00606 }
00607
00608 static int phone_write_buf(struct phone_pvt *p, const char *buf, int len, int frlen, int swap)
00609 {
00610 int res;
00611
00612 int space = sizeof(p->obuf) - p->obuflen;
00613
00614 if (space < len)
00615 len = space;
00616 if (swap)
00617 ast_swapcopy_samples(p->obuf+p->obuflen, buf, len/2);
00618 else
00619 memcpy(p->obuf + p->obuflen, buf, len);
00620 p->obuflen += len;
00621 while(p->obuflen > frlen) {
00622 res = write(p->fd, p->obuf, frlen);
00623 if (res != frlen) {
00624 if (res < 1) {
00625
00626
00627
00628
00629 return 0;
00630 } else {
00631 ast_log(LOG_WARNING, "Only wrote %d of %d bytes\n", res, frlen);
00632 }
00633 }
00634 p->obuflen -= frlen;
00635
00636 if (p->obuflen)
00637 memmove(p->obuf, p->obuf + frlen, p->obuflen);
00638 }
00639 return len;
00640 }
00641
00642 static int phone_send_text(struct ast_channel *ast, const char *text)
00643 {
00644 int length = strlen(text);
00645 return phone_write_buf(ast->tech_pvt, text, length, length, 0) ==
00646 length ? 0 : -1;
00647 }
00648
00649 static int phone_write(struct ast_channel *ast, struct ast_frame *frame)
00650 {
00651 struct phone_pvt *p = ast->tech_pvt;
00652 int res;
00653 int maxfr=0;
00654 char *pos;
00655 int sofar;
00656 int expected;
00657 int codecset = 0;
00658 char tmpbuf[4];
00659
00660 if (frame->frametype != AST_FRAME_VOICE && p->mode != MODE_FXS) {
00661 if (frame->frametype != AST_FRAME_IMAGE)
00662 ast_log(LOG_WARNING, "Don't know what to do with frame type '%d'\n", frame->frametype);
00663 return 0;
00664 }
00665 if (!(frame->subclass &
00666 (AST_FORMAT_G723_1 | AST_FORMAT_SLINEAR | AST_FORMAT_ULAW)) &&
00667 p->mode != MODE_FXS) {
00668 ast_log(LOG_WARNING, "Cannot handle frames in %d format\n", frame->subclass);
00669 return -1;
00670 }
00671 #if 0
00672
00673 if (ast->_state != AST_STATE_UP) {
00674 ast_setstate(ast, AST_STATE_UP);
00675 phone_setup(ast);
00676 }
00677 #else
00678 if (ast->_state != AST_STATE_UP) {
00679
00680 return 0;
00681 }
00682 #endif
00683 if (frame->subclass == AST_FORMAT_G723_1) {
00684 if (p->lastformat != AST_FORMAT_G723_1) {
00685 ioctl(p->fd, PHONE_PLAY_STOP);
00686 ioctl(p->fd, PHONE_REC_STOP);
00687 if (ioctl(p->fd, PHONE_PLAY_CODEC, G723_63)) {
00688 ast_log(LOG_WARNING, "Unable to set G723.1 mode\n");
00689 return -1;
00690 }
00691 if (ioctl(p->fd, PHONE_REC_CODEC, G723_63)) {
00692 ast_log(LOG_WARNING, "Unable to set G723.1 mode\n");
00693 return -1;
00694 }
00695 p->lastformat = AST_FORMAT_G723_1;
00696 p->lastinput = AST_FORMAT_G723_1;
00697
00698 p->obuflen = 0;
00699 codecset = 1;
00700 }
00701 if (frame->datalen > 24) {
00702 ast_log(LOG_WARNING, "Frame size too large for G.723.1 (%d bytes)\n", frame->datalen);
00703 return -1;
00704 }
00705 maxfr = 24;
00706 } else if (frame->subclass == AST_FORMAT_SLINEAR) {
00707 if (p->lastformat != AST_FORMAT_SLINEAR) {
00708 ioctl(p->fd, PHONE_PLAY_STOP);
00709 ioctl(p->fd, PHONE_REC_STOP);
00710 if (ioctl(p->fd, PHONE_PLAY_CODEC, LINEAR16)) {
00711 ast_log(LOG_WARNING, "Unable to set 16-bit linear mode\n");
00712 return -1;
00713 }
00714 if (ioctl(p->fd, PHONE_REC_CODEC, LINEAR16)) {
00715 ast_log(LOG_WARNING, "Unable to set 16-bit linear mode\n");
00716 return -1;
00717 }
00718 p->lastformat = AST_FORMAT_SLINEAR;
00719 p->lastinput = AST_FORMAT_SLINEAR;
00720 codecset = 1;
00721
00722 p->obuflen = 0;
00723 }
00724 maxfr = 480;
00725 } else if (frame->subclass == AST_FORMAT_ULAW) {
00726 if (p->lastformat != AST_FORMAT_ULAW) {
00727 ioctl(p->fd, PHONE_PLAY_STOP);
00728 ioctl(p->fd, PHONE_REC_STOP);
00729 if (ioctl(p->fd, PHONE_PLAY_CODEC, ULAW)) {
00730 ast_log(LOG_WARNING, "Unable to set uLaw mode\n");
00731 return -1;
00732 }
00733 if (ioctl(p->fd, PHONE_REC_CODEC, ULAW)) {
00734 ast_log(LOG_WARNING, "Unable to set uLaw mode\n");
00735 return -1;
00736 }
00737 p->lastformat = AST_FORMAT_ULAW;
00738 p->lastinput = AST_FORMAT_ULAW;
00739 codecset = 1;
00740
00741 p->obuflen = 0;
00742 }
00743 maxfr = 240;
00744 } else {
00745 if (p->lastformat != frame->subclass) {
00746 ioctl(p->fd, PHONE_PLAY_STOP);
00747 ioctl(p->fd, PHONE_REC_STOP);
00748 if (ioctl(p->fd, PHONE_PLAY_CODEC, frame->subclass)) {
00749 ast_log(LOG_WARNING, "Unable to set %d mode\n",
00750 frame->subclass);
00751 return -1;
00752 }
00753 if (ioctl(p->fd, PHONE_REC_CODEC, frame->subclass)) {
00754 ast_log(LOG_WARNING, "Unable to set %d mode\n",
00755 frame->subclass);
00756 return -1;
00757 }
00758 p->lastformat = frame->subclass;
00759 p->lastinput = frame->subclass;
00760 codecset = 1;
00761
00762 p->obuflen = 0;
00763 }
00764 maxfr = 480;
00765 }
00766 if (codecset) {
00767 ioctl(p->fd, PHONE_REC_DEPTH, 3);
00768 ioctl(p->fd, PHONE_PLAY_DEPTH, 3);
00769 if (ioctl(p->fd, PHONE_PLAY_START)) {
00770 ast_log(LOG_WARNING, "Failed to start playback\n");
00771 return -1;
00772 }
00773 if (ioctl(p->fd, PHONE_REC_START)) {
00774 ast_log(LOG_WARNING, "Failed to start recording\n");
00775 return -1;
00776 }
00777 }
00778
00779 sofar = 0;
00780 pos = frame->data;
00781 while(sofar < frame->datalen) {
00782
00783 expected = frame->datalen - sofar;
00784 if (maxfr < expected)
00785 expected = maxfr;
00786
00787
00788 if (frame->datalen == 4) {
00789 if (p->silencesupression) {
00790 memset(tmpbuf + 4, 0, sizeof(tmpbuf) - 4);
00791 memcpy(tmpbuf, frame->data, 4);
00792 expected = 24;
00793 res = phone_write_buf(p, tmpbuf, expected, maxfr, 0);
00794 }
00795 res = 4;
00796 expected=4;
00797 } else {
00798 int swap = 0;
00799 #if __BYTE_ORDER == __BIG_ENDIAN
00800 if (frame->subclass == AST_FORMAT_SLINEAR)
00801 swap = 1;
00802 #endif
00803 res = phone_write_buf(p, pos, expected, maxfr, swap);
00804 }
00805 if (res != expected) {
00806 if ((errno != EAGAIN) && (errno != EINTR)) {
00807 if (res < 0)
00808 ast_log(LOG_WARNING, "Write returned error (%s)\n", strerror(errno));
00809
00810
00811
00812
00813 #if 0
00814 else
00815 ast_log(LOG_WARNING, "Only wrote %d of %d bytes\n", res, frame->datalen);
00816 #endif
00817 return -1;
00818 } else
00819 res = expected;
00820 }
00821 sofar += res;
00822 pos += res;
00823 }
00824 return 0;
00825 }
00826
00827 static struct ast_channel *phone_new(struct phone_pvt *i, int state, char *context)
00828 {
00829 struct ast_channel *tmp;
00830 struct phone_codec_data codec;
00831 tmp = ast_channel_alloc(1, state, i->cid_num, i->cid_name, "", i->ext, i->context, 0, "Phone/%s", i->dev + 5);
00832 if (tmp) {
00833 tmp->tech = cur_tech;
00834 tmp->fds[0] = i->fd;
00835
00836 if (i->mode == MODE_FXS &&
00837 ioctl(i->fd, PHONE_QUERY_CODEC, &codec) == 0) {
00838 if (codec.type == LINEAR16)
00839 tmp->nativeformats =
00840 tmp->rawreadformat =
00841 tmp->rawwriteformat =
00842 AST_FORMAT_SLINEAR;
00843 else {
00844 tmp->nativeformats =
00845 tmp->rawreadformat =
00846 tmp->rawwriteformat =
00847 prefformat & ~AST_FORMAT_SLINEAR;
00848 }
00849 }
00850 else {
00851 tmp->nativeformats = prefformat;
00852 tmp->rawreadformat = prefformat;
00853 tmp->rawwriteformat = prefformat;
00854 }
00855
00856 if (state == AST_STATE_RING)
00857 tmp->rings = 1;
00858 tmp->tech_pvt = i;
00859 ast_copy_string(tmp->context, context, sizeof(tmp->context));
00860 if (!ast_strlen_zero(i->ext))
00861 ast_copy_string(tmp->exten, i->ext, sizeof(tmp->exten));
00862 else
00863 strcpy(tmp->exten, "s");
00864 if (!ast_strlen_zero(i->language))
00865 ast_string_field_set(tmp, language, i->language);
00866
00867
00868
00869 tmp->cid.cid_ani = ast_strdup(i->cid_num);
00870
00871 i->owner = tmp;
00872 ast_module_ref(ast_module_info->self);
00873 if (state != AST_STATE_DOWN) {
00874 if (state == AST_STATE_RING) {
00875 ioctl(tmp->fds[0], PHONE_RINGBACK);
00876 i->cpt = 1;
00877 }
00878 if (ast_pbx_start(tmp)) {
00879 ast_log(LOG_WARNING, "Unable to start PBX on %s\n", tmp->name);
00880 ast_hangup(tmp);
00881 }
00882 }
00883 } else
00884 ast_log(LOG_WARNING, "Unable to allocate channel structure\n");
00885 return tmp;
00886 }
00887
00888 static void phone_mini_packet(struct phone_pvt *i)
00889 {
00890 int res;
00891 char buf[1024];
00892
00893 res = read(i->fd, buf, sizeof(buf));
00894 if (res < 1) {
00895 ast_log(LOG_WARNING, "Read returned %d: %s\n", res, strerror(errno));
00896 return;
00897 }
00898 }
00899
00900 static void phone_check_exception(struct phone_pvt *i)
00901 {
00902 int offhook=0;
00903 char digit[2] = {0 , 0};
00904 union telephony_exception phonee;
00905
00906 #if 0
00907 ast_log(LOG_DEBUG, "Exception!\n");
00908 #endif
00909 phonee.bytes = ioctl(i->fd, PHONE_EXCEPTION);
00910 if (phonee.bits.dtmf_ready) {
00911 digit[0] = ioctl(i->fd, PHONE_GET_DTMF_ASCII);
00912 if (i->mode == MODE_DIALTONE || i->mode == MODE_FXS || i->mode == MODE_SIGMA) {
00913 ioctl(i->fd, PHONE_PLAY_STOP);
00914 ioctl(i->fd, PHONE_REC_STOP);
00915 ioctl(i->fd, PHONE_CPT_STOP);
00916 i->dialtone = 0;
00917 if (strlen(i->ext) < AST_MAX_EXTENSION - 1)
00918 strncat(i->ext, digit, sizeof(i->ext) - strlen(i->ext) - 1);
00919 if ((i->mode != MODE_FXS ||
00920 !(phonee.bytes = ioctl(i->fd, PHONE_EXCEPTION)) ||
00921 !phonee.bits.dtmf_ready) &&
00922 ast_exists_extension(NULL, i->context, i->ext, 1, i->cid_num)) {
00923
00924 phone_new(i, AST_STATE_RING, i->context);
00925
00926 } else if (!ast_canmatch_extension(NULL, i->context, i->ext, 1, i->cid_num)) {
00927
00928
00929 if (ast_exists_extension(NULL, "default", i->ext, 1, i->cid_num)) {
00930
00931 phone_new(i, AST_STATE_RING, "default");
00932
00933 } else if (!ast_canmatch_extension(NULL, "default", i->ext, 1, i->cid_num)) {
00934
00935 if (option_debug)
00936 ast_log(LOG_DEBUG, "%s can't match anything in %s or default\n", i->ext, i->context);
00937 ioctl(i->fd, PHONE_BUSY);
00938 i->cpt = 1;
00939 }
00940 }
00941 #if 0
00942 ast_verbose("Extension is %s\n", i->ext);
00943 #endif
00944 }
00945 }
00946 if (phonee.bits.hookstate) {
00947 offhook = ioctl(i->fd, PHONE_HOOKSTATE);
00948 if (offhook) {
00949 if (i->mode == MODE_IMMEDIATE) {
00950 phone_new(i, AST_STATE_RING, i->context);
00951 } else if (i->mode == MODE_DIALTONE) {
00952 ast_module_ref(ast_module_info->self);
00953
00954 i->ext[0] = '\0';
00955
00956 i->dialtone++;
00957 ioctl(i->fd, PHONE_PLAY_STOP);
00958 ioctl(i->fd, PHONE_PLAY_CODEC, ULAW);
00959 ioctl(i->fd, PHONE_PLAY_START);
00960 i->lastformat = -1;
00961 } else if (i->mode == MODE_SIGMA) {
00962 ast_module_ref(ast_module_info->self);
00963
00964 i->ext[0] = '\0';
00965
00966 i->dialtone++;
00967 ioctl(i->fd, PHONE_DIALTONE);
00968 }
00969 } else {
00970 if (i->dialtone)
00971 ast_module_unref(ast_module_info->self);
00972 memset(i->ext, 0, sizeof(i->ext));
00973 if (i->cpt)
00974 {
00975 ioctl(i->fd, PHONE_CPT_STOP);
00976 i->cpt = 0;
00977 }
00978 ioctl(i->fd, PHONE_PLAY_STOP);
00979 ioctl(i->fd, PHONE_REC_STOP);
00980 i->dialtone = 0;
00981 i->lastformat = -1;
00982 }
00983 }
00984 if (phonee.bits.pstn_ring) {
00985 ast_verbose("Unit is ringing\n");
00986 phone_new(i, AST_STATE_RING, i->context);
00987 }
00988 if (phonee.bits.caller_id)
00989 ast_verbose("We have caller ID\n");
00990
00991
00992 }
00993
00994 static void *do_monitor(void *data)
00995 {
00996 fd_set rfds, efds;
00997 int n, res;
00998 struct phone_pvt *i;
00999 int tonepos = 0;
01000
01001 struct timeval tv = {0,0};
01002 int dotone;
01003
01004
01005 while (monitor) {
01006
01007
01008
01009 if (ast_mutex_lock(&iflock)) {
01010 ast_log(LOG_ERROR, "Unable to grab interface lock\n");
01011 return NULL;
01012 }
01013
01014
01015 n = -1;
01016 FD_ZERO(&rfds);
01017 FD_ZERO(&efds);
01018 i = iflist;
01019 dotone = 0;
01020 while (i) {
01021 if (FD_ISSET(i->fd, &rfds))
01022 ast_log(LOG_WARNING, "Descriptor %d appears twice (%s)?\n", i->fd, i->dev);
01023 if (!i->owner) {
01024
01025 FD_SET(i->fd, &rfds);
01026 FD_SET(i->fd, &efds);
01027 if (i->fd > n)
01028 n = i->fd;
01029 if (i->dialtone && i->mode != MODE_SIGMA) {
01030
01031
01032 if (ast_tvzero(tv)) {
01033
01034 if (write(i->fd, DialTone + tonepos, 240) != 240)
01035 ast_log(LOG_WARNING, "Dial tone write error\n");
01036 }
01037 dotone++;
01038 }
01039 }
01040
01041 i = i->next;
01042 }
01043
01044 ast_mutex_unlock(&iflock);
01045
01046
01047 if (dotone && i && i->mode != MODE_SIGMA) {
01048
01049 tonepos += 240;
01050 if (tonepos >= sizeof(DialTone))
01051 tonepos = 0;
01052 if (ast_tvzero(tv)) {
01053 tv = ast_tv(30000, 0);
01054 }
01055 res = ast_select(n + 1, &rfds, NULL, &efds, &tv);
01056 } else {
01057 res = ast_select(n + 1, &rfds, NULL, &efds, NULL);
01058 tv = ast_tv(0,0);
01059 tonepos = 0;
01060 }
01061
01062 if (res < 0) {
01063 ast_log(LOG_DEBUG, "select return %d: %s\n", res, strerror(errno));
01064 continue;
01065 }
01066
01067
01068 if (!res)
01069 continue;
01070
01071
01072 if (ast_mutex_lock(&iflock)) {
01073 ast_log(LOG_WARNING, "Unable to lock the interface list\n");
01074 continue;
01075 }
01076
01077 i = iflist;
01078 for(; i; i=i->next) {
01079 if (FD_ISSET(i->fd, &rfds)) {
01080 if (i->owner) {
01081 continue;
01082 }
01083 phone_mini_packet(i);
01084 }
01085 if (FD_ISSET(i->fd, &efds)) {
01086 if (i->owner) {
01087 continue;
01088 }
01089 phone_check_exception(i);
01090 }
01091 }
01092 ast_mutex_unlock(&iflock);
01093 }
01094 return NULL;
01095
01096 }
01097
01098 static int restart_monitor()
01099 {
01100
01101 if (monitor_thread == AST_PTHREADT_STOP)
01102 return 0;
01103 if (ast_mutex_lock(&monlock)) {
01104 ast_log(LOG_WARNING, "Unable to lock monitor\n");
01105 return -1;
01106 }
01107 if (monitor_thread == pthread_self()) {
01108 ast_mutex_unlock(&monlock);
01109 ast_log(LOG_WARNING, "Cannot kill myself\n");
01110 return -1;
01111 }
01112 if (monitor_thread != AST_PTHREADT_NULL) {
01113 if (ast_mutex_lock(&iflock)) {
01114 ast_mutex_unlock(&monlock);
01115 ast_log(LOG_WARNING, "Unable to lock the interface list\n");
01116 return -1;
01117 }
01118 monitor = 0;
01119 while (pthread_kill(monitor_thread, SIGURG) == 0)
01120 sched_yield();
01121 pthread_join(monitor_thread, NULL);
01122 ast_mutex_unlock(&iflock);
01123 }
01124 monitor = 1;
01125
01126 if (ast_pthread_create_background(&monitor_thread, NULL, do_monitor, NULL) < 0) {
01127 ast_mutex_unlock(&monlock);
01128 ast_log(LOG_ERROR, "Unable to start monitor thread.\n");
01129 return -1;
01130 }
01131 ast_mutex_unlock(&monlock);
01132 return 0;
01133 }
01134
01135 static struct phone_pvt *mkif(char *iface, int mode, int txgain, int rxgain)
01136 {
01137
01138 struct phone_pvt *tmp;
01139 int flags;
01140
01141 tmp = malloc(sizeof(struct phone_pvt));
01142 if (tmp) {
01143 tmp->fd = open(iface, O_RDWR);
01144 if (tmp->fd < 0) {
01145 ast_log(LOG_WARNING, "Unable to open '%s'\n", iface);
01146 free(tmp);
01147 return NULL;
01148 }
01149 if (mode == MODE_FXO) {
01150 if (ioctl(tmp->fd, IXJCTL_PORT, PORT_PSTN))
01151 ast_log(LOG_DEBUG, "Unable to set port to PSTN\n");
01152 } else {
01153 if (ioctl(tmp->fd, IXJCTL_PORT, PORT_POTS))
01154 if (mode != MODE_FXS)
01155 ast_log(LOG_DEBUG, "Unable to set port to POTS\n");
01156 }
01157 ioctl(tmp->fd, PHONE_PLAY_STOP);
01158 ioctl(tmp->fd, PHONE_REC_STOP);
01159 ioctl(tmp->fd, PHONE_RING_STOP);
01160 ioctl(tmp->fd, PHONE_CPT_STOP);
01161 if (ioctl(tmp->fd, PHONE_PSTN_SET_STATE, PSTN_ON_HOOK))
01162 ast_log(LOG_DEBUG, "ioctl(PHONE_PSTN_SET_STATE) failed on %s (%s)\n",iface, strerror(errno));
01163 if (echocancel != AEC_OFF)
01164 ioctl(tmp->fd, IXJCTL_AEC_START, echocancel);
01165 if (silencesupression)
01166 tmp->silencesupression = 1;
01167 #ifdef PHONE_VAD
01168 ioctl(tmp->fd, PHONE_VAD, tmp->silencesupression);
01169 #endif
01170 tmp->mode = mode;
01171 flags = fcntl(tmp->fd, F_GETFL);
01172 fcntl(tmp->fd, F_SETFL, flags | O_NONBLOCK);
01173 tmp->owner = NULL;
01174 tmp->lastformat = -1;
01175 tmp->lastinput = -1;
01176 tmp->ministate = 0;
01177 memset(tmp->ext, 0, sizeof(tmp->ext));
01178 ast_copy_string(tmp->language, language, sizeof(tmp->language));
01179 ast_copy_string(tmp->dev, iface, sizeof(tmp->dev));
01180 ast_copy_string(tmp->context, context, sizeof(tmp->context));
01181 tmp->next = NULL;
01182 tmp->obuflen = 0;
01183 tmp->dialtone = 0;
01184 tmp->cpt = 0;
01185 ast_copy_string(tmp->cid_num, cid_num, sizeof(tmp->cid_num));
01186 ast_copy_string(tmp->cid_name, cid_name, sizeof(tmp->cid_name));
01187 tmp->txgain = txgain;
01188 ioctl(tmp->fd, PHONE_PLAY_VOLUME, tmp->txgain);
01189 tmp->rxgain = rxgain;
01190 ioctl(tmp->fd, PHONE_REC_VOLUME, tmp->rxgain);
01191 }
01192 return tmp;
01193 }
01194
01195 static struct ast_channel *phone_request(const char *type, int format, void *data, int *cause)
01196 {
01197 int oldformat;
01198 struct phone_pvt *p;
01199 struct ast_channel *tmp = NULL;
01200 char *name = data;
01201
01202
01203 if (ast_mutex_lock(&iflock)) {
01204 ast_log(LOG_ERROR, "Unable to lock interface list???\n");
01205 return NULL;
01206 }
01207 p = iflist;
01208 while(p) {
01209 if (p->mode == MODE_FXS ||
01210 format & (AST_FORMAT_G723_1 | AST_FORMAT_SLINEAR | AST_FORMAT_ULAW)) {
01211 size_t length = strlen(p->dev + 5);
01212 if (strncmp(name, p->dev + 5, length) == 0 &&
01213 !isalnum(name[length])) {
01214 if (!p->owner) {
01215 tmp = phone_new(p, AST_STATE_DOWN, p->context);
01216 break;
01217 } else
01218 *cause = AST_CAUSE_BUSY;
01219 }
01220 }
01221 p = p->next;
01222 }
01223 ast_mutex_unlock(&iflock);
01224 restart_monitor();
01225 if (tmp == NULL) {
01226 oldformat = format;
01227 format &= (AST_FORMAT_G723_1 | AST_FORMAT_SLINEAR | AST_FORMAT_ULAW);
01228 if (!format) {
01229 ast_log(LOG_NOTICE, "Asked to get a channel of unsupported format '%d'\n", oldformat);
01230 return NULL;
01231 }
01232 }
01233 return tmp;
01234 }
01235
01236
01237 static int parse_gain_value(char *gain_type, char *value)
01238 {
01239 float gain;
01240
01241
01242 if (sscanf(value, "%f", &gain) != 1)
01243 {
01244 ast_log(LOG_ERROR, "Invalid %s value '%s' in '%s' config\n",
01245 value, gain_type, config);
01246 return DEFAULT_GAIN;
01247 }
01248
01249
01250 gain = gain * (float)DEFAULT_GAIN;
01251
01252
01253 if (value[strlen(value) - 1] == '%')
01254 return (int)(gain / (float)100);
01255
01256 return (int)gain;
01257 }
01258
01259 static int __unload_module(void)
01260 {
01261 struct phone_pvt *p, *pl;
01262
01263 if (cur_tech)
01264 ast_channel_unregister(cur_tech);
01265 if (!ast_mutex_lock(&iflock)) {
01266
01267 p = iflist;
01268 while(p) {
01269 if (p->owner)
01270 ast_softhangup(p->owner, AST_SOFTHANGUP_APPUNLOAD);
01271 p = p->next;
01272 }
01273 iflist = NULL;
01274 ast_mutex_unlock(&iflock);
01275 } else {
01276 ast_log(LOG_WARNING, "Unable to lock the monitor\n");
01277 return -1;
01278 }
01279 if (!ast_mutex_lock(&monlock)) {
01280 if (monitor_thread > AST_PTHREADT_NULL) {
01281 monitor = 0;
01282 while (pthread_kill(monitor_thread, SIGURG) == 0)
01283 sched_yield();
01284 pthread_join(monitor_thread, NULL);
01285 }
01286 monitor_thread = AST_PTHREADT_STOP;
01287 ast_mutex_unlock(&monlock);
01288 } else {
01289 ast_log(LOG_WARNING, "Unable to lock the monitor\n");
01290 return -1;
01291 }
01292
01293 if (!ast_mutex_lock(&iflock)) {
01294
01295 p = iflist;
01296 while(p) {
01297
01298 if (p->fd > -1)
01299 close(p->fd);
01300 pl = p;
01301 p = p->next;
01302
01303 free(pl);
01304 }
01305 iflist = NULL;
01306 ast_mutex_unlock(&iflock);
01307 } else {
01308 ast_log(LOG_WARNING, "Unable to lock the monitor\n");
01309 return -1;
01310 }
01311
01312 return 0;
01313 }
01314
01315 static int unload_module(void)
01316 {
01317 return __unload_module();
01318 }
01319
01320 static int load_module(void)
01321 {
01322 struct ast_config *cfg;
01323 struct ast_variable *v;
01324 struct phone_pvt *tmp;
01325 int mode = MODE_IMMEDIATE;
01326 int txgain = DEFAULT_GAIN, rxgain = DEFAULT_GAIN;
01327 cfg = ast_config_load(config);
01328
01329
01330 if (!cfg) {
01331 ast_log(LOG_ERROR, "Unable to load config %s\n", config);
01332 return AST_MODULE_LOAD_DECLINE;
01333 }
01334 if (ast_mutex_lock(&iflock)) {
01335
01336 ast_log(LOG_ERROR, "Unable to lock interface list???\n");
01337 return AST_MODULE_LOAD_FAILURE;
01338 }
01339 v = ast_variable_browse(cfg, "interfaces");
01340 while(v) {
01341
01342 if (!strcasecmp(v->name, "device")) {
01343 tmp = mkif(v->value, mode, txgain, rxgain);
01344 if (tmp) {
01345 tmp->next = iflist;
01346 iflist = tmp;
01347
01348 } else {
01349 ast_log(LOG_ERROR, "Unable to register channel '%s'\n", v->value);
01350 ast_config_destroy(cfg);
01351 ast_mutex_unlock(&iflock);
01352 __unload_module();
01353 return AST_MODULE_LOAD_FAILURE;
01354 }
01355 } else if (!strcasecmp(v->name, "silencesupression")) {
01356 silencesupression = ast_true(v->value);
01357 } else if (!strcasecmp(v->name, "language")) {
01358 ast_copy_string(language, v->value, sizeof(language));
01359 } else if (!strcasecmp(v->name, "callerid")) {
01360 ast_callerid_split(v->value, cid_name, sizeof(cid_name), cid_num, sizeof(cid_num));
01361 } else if (!strcasecmp(v->name, "mode")) {
01362 if (!strncasecmp(v->value, "di", 2))
01363 mode = MODE_DIALTONE;
01364 else if (!strncasecmp(v->value, "sig", 3))
01365 mode = MODE_SIGMA;
01366 else if (!strncasecmp(v->value, "im", 2))
01367 mode = MODE_IMMEDIATE;
01368 else if (!strncasecmp(v->value, "fxs", 3)) {
01369 mode = MODE_FXS;
01370 prefformat = 0x01ff0000;
01371 }
01372 else if (!strncasecmp(v->value, "fx", 2))
01373 mode = MODE_FXO;
01374 else
01375 ast_log(LOG_WARNING, "Unknown mode: %s\n", v->value);
01376 } else if (!strcasecmp(v->name, "context")) {
01377 ast_copy_string(context, v->value, sizeof(context));
01378 } else if (!strcasecmp(v->name, "format")) {
01379 if (!strcasecmp(v->value, "g723.1")) {
01380 prefformat = AST_FORMAT_G723_1;
01381 } else if (!strcasecmp(v->value, "slinear")) {
01382 if (mode == MODE_FXS)
01383 prefformat |= AST_FORMAT_SLINEAR;
01384 else prefformat = AST_FORMAT_SLINEAR;
01385 } else if (!strcasecmp(v->value, "ulaw")) {
01386 prefformat = AST_FORMAT_ULAW;
01387 } else
01388 ast_log(LOG_WARNING, "Unknown format '%s'\n", v->value);
01389 } else if (!strcasecmp(v->name, "echocancel")) {
01390 if (!strcasecmp(v->value, "off")) {
01391 echocancel = AEC_OFF;
01392 } else if (!strcasecmp(v->value, "low")) {
01393 echocancel = AEC_LOW;
01394 } else if (!strcasecmp(v->value, "medium")) {
01395 echocancel = AEC_MED;
01396 } else if (!strcasecmp(v->value, "high")) {
01397 echocancel = AEC_HIGH;
01398 } else
01399 ast_log(LOG_WARNING, "Unknown echo cancellation '%s'\n", v->value);
01400 } else if (!strcasecmp(v->name, "txgain")) {
01401 txgain = parse_gain_value(v->name, v->value);
01402 } else if (!strcasecmp(v->name, "rxgain")) {
01403 rxgain = parse_gain_value(v->name, v->value);
01404 }
01405 v = v->next;
01406 }
01407 ast_mutex_unlock(&iflock);
01408
01409 if (mode == MODE_FXS) {
01410 phone_tech_fxs.capabilities = prefformat;
01411 cur_tech = &phone_tech_fxs;
01412 } else
01413 cur_tech = (struct ast_channel_tech *) &phone_tech;
01414
01415
01416
01417 if (ast_channel_register(cur_tech)) {
01418 ast_log(LOG_ERROR, "Unable to register channel class 'Phone'\n");
01419 ast_config_destroy(cfg);
01420 __unload_module();
01421 return AST_MODULE_LOAD_FAILURE;
01422 }
01423 ast_config_destroy(cfg);
01424
01425 restart_monitor();
01426 return AST_MODULE_LOAD_SUCCESS;
01427 }
01428
01429 AST_MODULE_INFO_STANDARD(ASTERISK_GPL_KEY, "Linux Telephony API Support");