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00026 #include <stdio.h>
00027 #include <string.h>
00028 #include <ctype.h>
00029 #include <sys/socket.h>
00030 #include <sys/time.h>
00031 #include <errno.h>
00032 #include <unistd.h>
00033 #include <stdlib.h>
00034 #include <arpa/inet.h>
00035 #include <fcntl.h>
00036 #include <sys/ioctl.h>
00037 #include <linux/telephony.h>
00038
00039 #include <linux/version.h>
00040 #include <linux/ixjuser.h>
00041
00042 #include "asterisk.h"
00043
00044 ASTERISK_FILE_VERSION(__FILE__, "$Revision: 41411 $")
00045
00046 #include "asterisk/lock.h"
00047 #include "asterisk/channel.h"
00048 #include "asterisk/config.h"
00049 #include "asterisk/logger.h"
00050 #include "asterisk/module.h"
00051 #include "asterisk/pbx.h"
00052 #include "asterisk/options.h"
00053 #include "asterisk/utils.h"
00054 #include "asterisk/callerid.h"
00055 #include "asterisk/causes.h"
00056 #include "DialTone.h"
00057
00058 #ifdef QTI_PHONEJACK_TJ_PCI
00059 #define QNDRV_VER 310
00060 #else
00061 #define QNDRV_VER 100
00062 #endif
00063
00064 #if QNDRV_VER > 100
00065 #ifdef __linux__
00066 #define IXJ_PHONE_RING_START(x) ioctl(p->fd, PHONE_RING_START, &x);
00067 #else
00068 #define IXJ_PHONE_RING_START(x) ioctl(p->fd, PHONE_RING_START, x);
00069 #endif
00070 #else
00071 #define IXJ_PHONE_RING_START(x) ioctl(p->fd, PHONE_RING_START, &x);
00072 #endif
00073
00074 #define DEFAULT_CALLER_ID "Unknown"
00075 #define PHONE_MAX_BUF 480
00076 #define DEFAULT_GAIN 0x100
00077
00078 static const char desc[] = "Linux Telephony API Support";
00079 static const char type[] = "Phone";
00080 static const char tdesc[] = "Standard Linux Telephony API Driver";
00081 static const char config[] = "phone.conf";
00082
00083
00084 static char context[AST_MAX_EXTENSION] = "default";
00085
00086
00087 static char language[MAX_LANGUAGE] = "";
00088 static int usecnt =0;
00089
00090 static int echocancel = AEC_OFF;
00091
00092 static int silencesupression = 0;
00093
00094 static int prefformat = AST_FORMAT_G723_1 | AST_FORMAT_SLINEAR | AST_FORMAT_ULAW;
00095
00096 AST_MUTEX_DEFINE_STATIC(usecnt_lock);
00097
00098
00099 AST_MUTEX_DEFINE_STATIC(iflock);
00100
00101
00102
00103 AST_MUTEX_DEFINE_STATIC(monlock);
00104
00105
00106
00107 static pthread_t monitor_thread = AST_PTHREADT_NULL;
00108
00109 static int restart_monitor(void);
00110
00111
00112
00113
00114 #define MODE_DIALTONE 1
00115 #define MODE_IMMEDIATE 2
00116 #define MODE_FXO 3
00117 #define MODE_FXS 4
00118
00119 static struct phone_pvt {
00120 int fd;
00121 struct ast_channel *owner;
00122 int mode;
00123 int lastformat;
00124 int lastinput;
00125 int ministate;
00126 char dev[256];
00127 struct phone_pvt *next;
00128 struct ast_frame fr;
00129 char offset[AST_FRIENDLY_OFFSET];
00130 char buf[PHONE_MAX_BUF];
00131 int obuflen;
00132 int dialtone;
00133 int txgain, rxgain;
00134
00135 int cpt;
00136 int silencesupression;
00137 char context[AST_MAX_EXTENSION];
00138 char obuf[PHONE_MAX_BUF * 2];
00139 char ext[AST_MAX_EXTENSION];
00140 char language[MAX_LANGUAGE];
00141 char cid_num[AST_MAX_EXTENSION];
00142 char cid_name[AST_MAX_EXTENSION];
00143 } *iflist = NULL;
00144
00145 static char cid_num[AST_MAX_EXTENSION];
00146 static char cid_name[AST_MAX_EXTENSION];
00147
00148 static struct ast_channel *phone_request(const char *type, int format, void *data, int *cause);
00149 static int phone_digit(struct ast_channel *ast, char digit);
00150 static int phone_call(struct ast_channel *ast, char *dest, int timeout);
00151 static int phone_hangup(struct ast_channel *ast);
00152 static int phone_answer(struct ast_channel *ast);
00153 static struct ast_frame *phone_read(struct ast_channel *ast);
00154 static int phone_write(struct ast_channel *ast, struct ast_frame *frame);
00155 static struct ast_frame *phone_exception(struct ast_channel *ast);
00156 static int phone_send_text(struct ast_channel *ast, const char *text);
00157 static int phone_fixup(struct ast_channel *old, struct ast_channel *new);
00158
00159 static const struct ast_channel_tech phone_tech = {
00160 .type = type,
00161 .description = tdesc,
00162 .capabilities = AST_FORMAT_G723_1 | AST_FORMAT_SLINEAR | AST_FORMAT_ULAW,
00163 .requester = phone_request,
00164 .send_digit = phone_digit,
00165 .call = phone_call,
00166 .hangup = phone_hangup,
00167 .answer = phone_answer,
00168 .read = phone_read,
00169 .write = phone_write,
00170 .exception = phone_exception,
00171 .fixup = phone_fixup
00172 };
00173
00174 static struct ast_channel_tech phone_tech_fxs = {
00175 .type = type,
00176 .description = tdesc,
00177 .requester = phone_request,
00178 .send_digit = phone_digit,
00179 .call = phone_call,
00180 .hangup = phone_hangup,
00181 .answer = phone_answer,
00182 .read = phone_read,
00183 .write = phone_write,
00184 .exception = phone_exception,
00185 .write_video = phone_write,
00186 .send_text = phone_send_text,
00187 .fixup = phone_fixup
00188 };
00189
00190 static struct ast_channel_tech *cur_tech;
00191
00192 static int phone_fixup(struct ast_channel *old, struct ast_channel *new)
00193 {
00194 struct phone_pvt *pvt = old->tech_pvt;
00195 if (pvt && pvt->owner == old)
00196 pvt->owner = new;
00197 return 0;
00198 }
00199
00200 static int phone_digit(struct ast_channel *ast, char digit)
00201 {
00202 struct phone_pvt *p;
00203 int outdigit;
00204 p = ast->tech_pvt;
00205 ast_log(LOG_NOTICE, "Dialed %c\n", digit);
00206 switch(digit) {
00207 case '0':
00208 case '1':
00209 case '2':
00210 case '3':
00211 case '4':
00212 case '5':
00213 case '6':
00214 case '7':
00215 case '8':
00216 case '9':
00217 outdigit = digit - '0';
00218 break;
00219 case '*':
00220 outdigit = 11;
00221 break;
00222 case '#':
00223 outdigit = 12;
00224 break;
00225 case 'f':
00226 case 'F':
00227 ioctl(p->fd, IXJCTL_PSTN_SET_STATE, PSTN_ON_HOOK);
00228 usleep(320000);
00229 ioctl(p->fd, IXJCTL_PSTN_SET_STATE, PSTN_OFF_HOOK);
00230 p->lastformat = -1;
00231 return 0;
00232 default:
00233 ast_log(LOG_WARNING, "Unknown digit '%c'\n", digit);
00234 return -1;
00235 }
00236 ast_log(LOG_NOTICE, "Dialed %d\n", outdigit);
00237 ioctl(p->fd, PHONE_PLAY_TONE, outdigit);
00238 p->lastformat = -1;
00239 return 0;
00240 }
00241
00242 static int phone_call(struct ast_channel *ast, char *dest, int timeout)
00243 {
00244 struct phone_pvt *p;
00245
00246 PHONE_CID cid;
00247 time_t UtcTime;
00248 struct tm tm;
00249 int start;
00250
00251 time(&UtcTime);
00252 localtime_r(&UtcTime,&tm);
00253
00254 memset(&cid, 0, sizeof(PHONE_CID));
00255 if(&tm != NULL) {
00256 snprintf(cid.month, sizeof(cid.month), "%02d",(tm.tm_mon + 1));
00257 snprintf(cid.day, sizeof(cid.day), "%02d", tm.tm_mday);
00258 snprintf(cid.hour, sizeof(cid.hour), "%02d", tm.tm_hour);
00259 snprintf(cid.min, sizeof(cid.min), "%02d", tm.tm_min);
00260 }
00261
00262 if (ast_strlen_zero(ast->cid.cid_name))
00263 strncpy(cid.name, DEFAULT_CALLER_ID, sizeof(cid.name) - 1);
00264 else
00265 strncpy(cid.name, ast->cid.cid_name, sizeof(cid.name) - 1);
00266
00267 if (ast->cid.cid_num)
00268 strncpy(cid.number, ast->cid.cid_num, sizeof(cid.number) - 1);
00269
00270 p = ast->tech_pvt;
00271
00272 if ((ast->_state != AST_STATE_DOWN) && (ast->_state != AST_STATE_RESERVED)) {
00273 ast_log(LOG_WARNING, "phone_call called on %s, neither down nor reserved\n", ast->name);
00274 return -1;
00275 }
00276 if (option_debug)
00277 ast_log(LOG_DEBUG, "Ringing %s on %s (%d)\n", dest, ast->name, ast->fds[0]);
00278
00279 start = IXJ_PHONE_RING_START(cid);
00280 if (start == -1)
00281 return -1;
00282
00283 if (p->mode == MODE_FXS) {
00284 char *digit = strchr(dest, '/');
00285 if (digit)
00286 {
00287 digit++;
00288 while (*digit)
00289 phone_digit(ast, *digit++);
00290 }
00291 }
00292
00293 ast_setstate(ast, AST_STATE_RINGING);
00294 ast_queue_control(ast, AST_CONTROL_RINGING);
00295 return 0;
00296 }
00297
00298 static int phone_hangup(struct ast_channel *ast)
00299 {
00300 struct phone_pvt *p;
00301 p = ast->tech_pvt;
00302 if (option_debug)
00303 ast_log(LOG_DEBUG, "phone_hangup(%s)\n", ast->name);
00304 if (!ast->tech_pvt) {
00305 ast_log(LOG_WARNING, "Asked to hangup channel not connected\n");
00306 return 0;
00307 }
00308
00309 ast_setstate(ast, AST_STATE_DOWN);
00310 if (ioctl(p->fd, PHONE_REC_STOP))
00311 ast_log(LOG_WARNING, "Failed to stop recording\n");
00312 if (ioctl(p->fd, PHONE_PLAY_STOP))
00313 ast_log(LOG_WARNING, "Failed to stop playing\n");
00314 if (ioctl(p->fd, PHONE_RING_STOP))
00315 ast_log(LOG_WARNING, "Failed to stop ringing\n");
00316 if (ioctl(p->fd, PHONE_CPT_STOP))
00317 ast_log(LOG_WARNING, "Failed to stop sounds\n");
00318
00319
00320 if (p->mode == MODE_FXO) {
00321 if (ioctl(p->fd, PHONE_PSTN_SET_STATE, PSTN_ON_HOOK))
00322 ast_log(LOG_DEBUG, "ioctl(PHONE_PSTN_SET_STATE) failed on %s (%s)\n",ast->name, strerror(errno));
00323 }
00324
00325
00326 if (ioctl(p->fd, PHONE_HOOKSTATE)) {
00327 if (option_debug)
00328 ast_log(LOG_DEBUG, "Got hunghup, giving busy signal\n");
00329 ioctl(p->fd, PHONE_BUSY);
00330 p->cpt = 1;
00331 }
00332 p->lastformat = -1;
00333 p->lastinput = -1;
00334 p->ministate = 0;
00335 p->obuflen = 0;
00336 p->dialtone = 0;
00337 memset(p->ext, 0, sizeof(p->ext));
00338 ((struct phone_pvt *)(ast->tech_pvt))->owner = NULL;
00339 ast_mutex_lock(&usecnt_lock);
00340 usecnt--;
00341 if (usecnt < 0)
00342 ast_log(LOG_WARNING, "Usecnt < 0???\n");
00343 ast_mutex_unlock(&usecnt_lock);
00344 ast_update_use_count();
00345 if (option_verbose > 2)
00346 ast_verbose( VERBOSE_PREFIX_3 "Hungup '%s'\n", ast->name);
00347 ast->tech_pvt = NULL;
00348 ast_setstate(ast, AST_STATE_DOWN);
00349 restart_monitor();
00350 return 0;
00351 }
00352
00353 static int phone_setup(struct ast_channel *ast)
00354 {
00355 struct phone_pvt *p;
00356 p = ast->tech_pvt;
00357 ioctl(p->fd, PHONE_CPT_STOP);
00358
00359 if (ast->rawreadformat == AST_FORMAT_G723_1) {
00360
00361 ioctl(p->fd, PHONE_REC_STOP);
00362 if (p->lastinput != AST_FORMAT_G723_1) {
00363 p->lastinput = AST_FORMAT_G723_1;
00364 if (ioctl(p->fd, PHONE_REC_CODEC, G723_63)) {
00365 ast_log(LOG_WARNING, "Failed to set codec to g723.1\n");
00366 return -1;
00367 }
00368 }
00369 } else if (ast->rawreadformat == AST_FORMAT_SLINEAR) {
00370 ioctl(p->fd, PHONE_REC_STOP);
00371 if (p->lastinput != AST_FORMAT_SLINEAR) {
00372 p->lastinput = AST_FORMAT_SLINEAR;
00373 if (ioctl(p->fd, PHONE_REC_CODEC, LINEAR16)) {
00374 ast_log(LOG_WARNING, "Failed to set codec to signed linear 16\n");
00375 return -1;
00376 }
00377 }
00378 } else if (ast->rawreadformat == AST_FORMAT_ULAW) {
00379 ioctl(p->fd, PHONE_REC_STOP);
00380 if (p->lastinput != AST_FORMAT_ULAW) {
00381 p->lastinput = AST_FORMAT_ULAW;
00382 if (ioctl(p->fd, PHONE_REC_CODEC, ULAW)) {
00383 ast_log(LOG_WARNING, "Failed to set codec to uLaw\n");
00384 return -1;
00385 }
00386 }
00387 } else if (p->mode == MODE_FXS) {
00388 ioctl(p->fd, PHONE_REC_STOP);
00389 if (p->lastinput != ast->rawreadformat) {
00390 p->lastinput = ast->rawreadformat;
00391 if (ioctl(p->fd, PHONE_REC_CODEC, ast->rawreadformat)) {
00392 ast_log(LOG_WARNING, "Failed to set codec to %d\n",
00393 ast->rawreadformat);
00394 return -1;
00395 }
00396 }
00397 } else {
00398 ast_log(LOG_WARNING, "Can't do format %s\n", ast_getformatname(ast->rawreadformat));
00399 return -1;
00400 }
00401 if (ioctl(p->fd, PHONE_REC_START)) {
00402 ast_log(LOG_WARNING, "Failed to start recording\n");
00403 return -1;
00404 }
00405
00406 ioctl(p->fd, PHONE_SET_TONE_ON_TIME, 300);
00407 ioctl(p->fd, PHONE_SET_TONE_OFF_TIME, 200);
00408 return 0;
00409 }
00410
00411 static int phone_answer(struct ast_channel *ast)
00412 {
00413 struct phone_pvt *p;
00414 p = ast->tech_pvt;
00415
00416 if (p->mode == MODE_FXO) {
00417 if (ioctl(p->fd, PHONE_PSTN_SET_STATE, PSTN_OFF_HOOK))
00418 ast_log(LOG_DEBUG, "ioctl(PHONE_PSTN_SET_STATE) failed on %s (%s)\n", ast->name, strerror(errno));
00419 else
00420 ast_log(LOG_DEBUG, "Took linejack off hook\n");
00421 }
00422 phone_setup(ast);
00423 if (option_debug)
00424 ast_log(LOG_DEBUG, "phone_answer(%s)\n", ast->name);
00425 ast->rings = 0;
00426 ast_setstate(ast, AST_STATE_UP);
00427 return 0;
00428 }
00429
00430 #if 0
00431 static char phone_2digit(char c)
00432 {
00433 if (c == 12)
00434 return '#';
00435 else if (c == 11)
00436 return '*';
00437 else if ((c < 10) && (c >= 0))
00438 return '0' + c - 1;
00439 else
00440 return '?';
00441 }
00442 #endif
00443
00444 static struct ast_frame *phone_exception(struct ast_channel *ast)
00445 {
00446 int res;
00447 union telephony_exception phonee;
00448 struct phone_pvt *p = ast->tech_pvt;
00449 char digit;
00450
00451
00452 p->fr.datalen = 0;
00453 p->fr.samples = 0;
00454 p->fr.data = NULL;
00455 p->fr.src = type;
00456 p->fr.offset = 0;
00457 p->fr.mallocd=0;
00458 p->fr.delivery = ast_tv(0,0);
00459
00460 phonee.bytes = ioctl(p->fd, PHONE_EXCEPTION);
00461 if (phonee.bits.dtmf_ready) {
00462 if (option_debug)
00463 ast_log(LOG_DEBUG, "phone_exception(): DTMF\n");
00464
00465
00466 digit = ioctl(p->fd, PHONE_GET_DTMF_ASCII);
00467 p->fr.subclass = digit;
00468 p->fr.frametype = AST_FRAME_DTMF;
00469 return &p->fr;
00470 }
00471 if (phonee.bits.hookstate) {
00472 if (option_debug)
00473 ast_log(LOG_DEBUG, "Hookstate changed\n");
00474 res = ioctl(p->fd, PHONE_HOOKSTATE);
00475
00476 if (option_debug)
00477 ast_log(LOG_DEBUG, "New hookstate: %d\n", res);
00478 if (!res && (p->mode != MODE_FXO))
00479 return NULL;
00480 else {
00481 if (ast->_state == AST_STATE_RINGING) {
00482
00483 p->fr.frametype = AST_FRAME_CONTROL;
00484 p->fr.subclass = AST_CONTROL_ANSWER;
00485 phone_setup(ast);
00486 ast_setstate(ast, AST_STATE_UP);
00487 return &p->fr;
00488 } else
00489 ast_log(LOG_WARNING, "Got off hook in weird state %d\n", ast->_state);
00490 }
00491 }
00492 #if 1
00493 if (phonee.bits.pstn_ring)
00494 ast_verbose("Unit is ringing\n");
00495 if (phonee.bits.caller_id) {
00496 ast_verbose("We have caller ID\n");
00497 }
00498 if (phonee.bits.pstn_wink)
00499 ast_verbose("Detected Wink\n");
00500 #endif
00501
00502 p->fr.frametype = AST_FRAME_NULL;
00503 p->fr.subclass = 0;
00504 return &p->fr;
00505 }
00506
00507 static struct ast_frame *phone_read(struct ast_channel *ast)
00508 {
00509 int res;
00510 struct phone_pvt *p = ast->tech_pvt;
00511
00512
00513
00514 p->fr.datalen = 0;
00515 p->fr.samples = 0;
00516 p->fr.data = NULL;
00517 p->fr.src = type;
00518 p->fr.offset = 0;
00519 p->fr.mallocd=0;
00520 p->fr.delivery = ast_tv(0,0);
00521
00522
00523 CHECK_BLOCKING(ast);
00524 res = read(p->fd, p->buf, PHONE_MAX_BUF);
00525 ast_clear_flag(ast, AST_FLAG_BLOCKING);
00526 if (res < 0) {
00527 #if 0
00528 if (errno == EAGAIN) {
00529 ast_log(LOG_WARNING, "Null frame received\n");
00530 p->fr.frametype = AST_FRAME_NULL;
00531 p->fr.subclass = 0;
00532 return &p->fr;
00533 }
00534 #endif
00535 ast_log(LOG_WARNING, "Error reading: %s\n", strerror(errno));
00536 return NULL;
00537 }
00538 p->fr.data = p->buf;
00539 if (p->mode != MODE_FXS)
00540 switch(p->buf[0] & 0x3) {
00541 case '0':
00542 case '1':
00543
00544 break;
00545 case '2':
00546 case '3':
00547
00548 res = 4;
00549 break;
00550 }
00551 p->fr.samples = 240;
00552 p->fr.datalen = res;
00553 p->fr.frametype = p->lastinput <= AST_FORMAT_MAX_AUDIO ?
00554 AST_FRAME_VOICE :
00555 p->lastinput <= AST_FORMAT_PNG ? AST_FRAME_IMAGE
00556 : AST_FRAME_VIDEO;
00557 p->fr.subclass = p->lastinput;
00558 p->fr.offset = AST_FRIENDLY_OFFSET;
00559
00560 if (p->fr.subclass == AST_FORMAT_SLINEAR)
00561 ast_frame_byteswap_le(&p->fr);
00562 return &p->fr;
00563 }
00564
00565 static int phone_write_buf(struct phone_pvt *p, const char *buf, int len, int frlen, int swap)
00566 {
00567 int res;
00568
00569 int space = sizeof(p->obuf) - p->obuflen;
00570
00571 if (space < len)
00572 len = space;
00573 if (swap)
00574 ast_swapcopy_samples(p->obuf+p->obuflen, buf, len/2);
00575 else
00576 memcpy(p->obuf + p->obuflen, buf, len);
00577 p->obuflen += len;
00578 while(p->obuflen > frlen) {
00579 res = write(p->fd, p->obuf, frlen);
00580 if (res != frlen) {
00581 if (res < 1) {
00582
00583
00584
00585
00586 return 0;
00587 } else {
00588 ast_log(LOG_WARNING, "Only wrote %d of %d bytes\n", res, frlen);
00589 }
00590 }
00591 p->obuflen -= frlen;
00592
00593 if (p->obuflen)
00594 memmove(p->obuf, p->obuf + frlen, p->obuflen);
00595 }
00596 return len;
00597 }
00598
00599 static int phone_send_text(struct ast_channel *ast, const char *text)
00600 {
00601 int length = strlen(text);
00602 return phone_write_buf(ast->tech_pvt, text, length, length, 0) ==
00603 length ? 0 : -1;
00604 }
00605
00606 static int phone_write(struct ast_channel *ast, struct ast_frame *frame)
00607 {
00608 struct phone_pvt *p = ast->tech_pvt;
00609 int res;
00610 int maxfr=0;
00611 char *pos;
00612 int sofar;
00613 int expected;
00614 int codecset = 0;
00615 char tmpbuf[4];
00616
00617 if (frame->frametype != AST_FRAME_VOICE && p->mode != MODE_FXS) {
00618 if (frame->frametype != AST_FRAME_IMAGE)
00619 ast_log(LOG_WARNING, "Don't know what to do with frame type '%d'\n", frame->frametype);
00620 return 0;
00621 }
00622 if (!(frame->subclass &
00623 (AST_FORMAT_G723_1 | AST_FORMAT_SLINEAR | AST_FORMAT_ULAW)) &&
00624 p->mode != MODE_FXS) {
00625 ast_log(LOG_WARNING, "Cannot handle frames in %d format\n", frame->subclass);
00626 return -1;
00627 }
00628 #if 0
00629
00630 if (ast->_state != AST_STATE_UP) {
00631 ast_setstate(ast, AST_STATE_UP);
00632 phone_setup(ast);
00633 }
00634 #else
00635 if (ast->_state != AST_STATE_UP) {
00636
00637 return 0;
00638 }
00639 #endif
00640 if (frame->subclass == AST_FORMAT_G723_1) {
00641 if (p->lastformat != AST_FORMAT_G723_1) {
00642 ioctl(p->fd, PHONE_PLAY_STOP);
00643 ioctl(p->fd, PHONE_REC_STOP);
00644 if (ioctl(p->fd, PHONE_PLAY_CODEC, G723_63)) {
00645 ast_log(LOG_WARNING, "Unable to set G723.1 mode\n");
00646 return -1;
00647 }
00648 if (ioctl(p->fd, PHONE_REC_CODEC, G723_63)) {
00649 ast_log(LOG_WARNING, "Unable to set G723.1 mode\n");
00650 return -1;
00651 }
00652 p->lastformat = AST_FORMAT_G723_1;
00653 p->lastinput = AST_FORMAT_G723_1;
00654
00655 p->obuflen = 0;
00656 codecset = 1;
00657 }
00658 if (frame->datalen > 24) {
00659 ast_log(LOG_WARNING, "Frame size too large for G.723.1 (%d bytes)\n", frame->datalen);
00660 return -1;
00661 }
00662 maxfr = 24;
00663 } else if (frame->subclass == AST_FORMAT_SLINEAR) {
00664 if (p->lastformat != AST_FORMAT_SLINEAR) {
00665 ioctl(p->fd, PHONE_PLAY_STOP);
00666 ioctl(p->fd, PHONE_REC_STOP);
00667 if (ioctl(p->fd, PHONE_PLAY_CODEC, LINEAR16)) {
00668 ast_log(LOG_WARNING, "Unable to set 16-bit linear mode\n");
00669 return -1;
00670 }
00671 if (ioctl(p->fd, PHONE_REC_CODEC, LINEAR16)) {
00672 ast_log(LOG_WARNING, "Unable to set 16-bit linear mode\n");
00673 return -1;
00674 }
00675 p->lastformat = AST_FORMAT_SLINEAR;
00676 p->lastinput = AST_FORMAT_SLINEAR;
00677 codecset = 1;
00678
00679 p->obuflen = 0;
00680 }
00681 maxfr = 480;
00682 } else if (frame->subclass == AST_FORMAT_ULAW) {
00683 if (p->lastformat != AST_FORMAT_ULAW) {
00684 ioctl(p->fd, PHONE_PLAY_STOP);
00685 ioctl(p->fd, PHONE_REC_STOP);
00686 if (ioctl(p->fd, PHONE_PLAY_CODEC, ULAW)) {
00687 ast_log(LOG_WARNING, "Unable to set uLaw mode\n");
00688 return -1;
00689 }
00690 if (ioctl(p->fd, PHONE_REC_CODEC, ULAW)) {
00691 ast_log(LOG_WARNING, "Unable to set uLaw mode\n");
00692 return -1;
00693 }
00694 p->lastformat = AST_FORMAT_ULAW;
00695 p->lastinput = AST_FORMAT_ULAW;
00696 codecset = 1;
00697
00698 p->obuflen = 0;
00699 }
00700 maxfr = 240;
00701 } else {
00702 if (p->lastformat != frame->subclass) {
00703 ioctl(p->fd, PHONE_PLAY_STOP);
00704 ioctl(p->fd, PHONE_REC_STOP);
00705 if (ioctl(p->fd, PHONE_PLAY_CODEC, frame->subclass)) {
00706 ast_log(LOG_WARNING, "Unable to set %d mode\n",
00707 frame->subclass);
00708 return -1;
00709 }
00710 if (ioctl(p->fd, PHONE_REC_CODEC, frame->subclass)) {
00711 ast_log(LOG_WARNING, "Unable to set %d mode\n",
00712 frame->subclass);
00713 return -1;
00714 }
00715 p->lastformat = frame->subclass;
00716 p->lastinput = frame->subclass;
00717 codecset = 1;
00718
00719 p->obuflen = 0;
00720 }
00721 maxfr = 480;
00722 }
00723 if (codecset) {
00724 ioctl(p->fd, PHONE_REC_DEPTH, 3);
00725 ioctl(p->fd, PHONE_PLAY_DEPTH, 3);
00726 if (ioctl(p->fd, PHONE_PLAY_START)) {
00727 ast_log(LOG_WARNING, "Failed to start playback\n");
00728 return -1;
00729 }
00730 if (ioctl(p->fd, PHONE_REC_START)) {
00731 ast_log(LOG_WARNING, "Failed to start recording\n");
00732 return -1;
00733 }
00734 }
00735
00736 sofar = 0;
00737 pos = frame->data;
00738 while(sofar < frame->datalen) {
00739
00740 expected = frame->datalen - sofar;
00741 if (maxfr < expected)
00742 expected = maxfr;
00743
00744
00745 if (frame->datalen == 4) {
00746 if (p->silencesupression) {
00747 memset(tmpbuf + 4, 0, sizeof(tmpbuf) - 4);
00748 memcpy(tmpbuf, frame->data, 4);
00749 expected = 24;
00750 res = phone_write_buf(p, tmpbuf, expected, maxfr, 0);
00751 }
00752 res = 4;
00753 expected=4;
00754 } else {
00755 int swap = 0;
00756 #if __BYTE_ORDER == __BIG_ENDIAN
00757 if (frame->subclass == AST_FORMAT_SLINEAR)
00758 swap = 1;
00759 #endif
00760 res = phone_write_buf(p, pos, expected, maxfr, swap);
00761 }
00762 if (res != expected) {
00763 if ((errno != EAGAIN) && (errno != EINTR)) {
00764 if (res < 0)
00765 ast_log(LOG_WARNING, "Write returned error (%s)\n", strerror(errno));
00766
00767
00768
00769
00770 #if 0
00771 else
00772 ast_log(LOG_WARNING, "Only wrote %d of %d bytes\n", res, frame->datalen);
00773 #endif
00774 return -1;
00775 } else
00776 res = expected;
00777 }
00778 sofar += res;
00779 pos += res;
00780 }
00781 return 0;
00782 }
00783
00784 static struct ast_channel *phone_new(struct phone_pvt *i, int state, char *context)
00785 {
00786 struct ast_channel *tmp;
00787 struct phone_codec_data codec;
00788 tmp = ast_channel_alloc(1);
00789 if (tmp) {
00790 tmp->tech = cur_tech;
00791 snprintf(tmp->name, sizeof(tmp->name), "Phone/%s", i->dev + 5);
00792 tmp->type = type;
00793 tmp->fds[0] = i->fd;
00794
00795 if (i->mode == MODE_FXS &&
00796 ioctl(i->fd, PHONE_QUERY_CODEC, &codec) == 0) {
00797 if (codec.type == LINEAR16)
00798 tmp->nativeformats =
00799 tmp->rawreadformat =
00800 tmp->rawwriteformat =
00801 AST_FORMAT_SLINEAR;
00802 else {
00803 tmp->nativeformats =
00804 tmp->rawreadformat =
00805 tmp->rawwriteformat =
00806 prefformat & ~AST_FORMAT_SLINEAR;
00807 }
00808 }
00809 else {
00810 tmp->nativeformats = prefformat;
00811 tmp->rawreadformat = prefformat;
00812 tmp->rawwriteformat = prefformat;
00813 }
00814 ast_setstate(tmp, state);
00815 if (state == AST_STATE_RING)
00816 tmp->rings = 1;
00817 tmp->tech_pvt = i;
00818 strncpy(tmp->context, context, sizeof(tmp->context)-1);
00819 if (!ast_strlen_zero(i->ext))
00820 strncpy(tmp->exten, i->ext, sizeof(tmp->exten)-1);
00821 else
00822 strncpy(tmp->exten, "s", sizeof(tmp->exten) - 1);
00823 if (!ast_strlen_zero(i->language))
00824 strncpy(tmp->language, i->language, sizeof(tmp->language)-1);
00825
00826 if (!ast_strlen_zero(i->cid_num))
00827 tmp->cid.cid_num = strdup(i->cid_num);
00828 if (!ast_strlen_zero(i->cid_name))
00829 tmp->cid.cid_name = strdup(i->cid_name);
00830
00831 i->owner = tmp;
00832 ast_mutex_lock(&usecnt_lock);
00833 usecnt++;
00834 ast_mutex_unlock(&usecnt_lock);
00835 ast_update_use_count();
00836 if (state != AST_STATE_DOWN) {
00837 if (state == AST_STATE_RING) {
00838 ioctl(tmp->fds[0], PHONE_RINGBACK);
00839 i->cpt = 1;
00840 }
00841 if (ast_pbx_start(tmp)) {
00842 ast_log(LOG_WARNING, "Unable to start PBX on %s\n", tmp->name);
00843 ast_hangup(tmp);
00844 }
00845 }
00846 } else
00847 ast_log(LOG_WARNING, "Unable to allocate channel structure\n");
00848 return tmp;
00849 }
00850
00851 static void phone_mini_packet(struct phone_pvt *i)
00852 {
00853 int res;
00854 char buf[1024];
00855
00856 res = read(i->fd, buf, sizeof(buf));
00857 if (res < 1) {
00858 ast_log(LOG_WARNING, "Read returned %d: %s\n", res, strerror(errno));
00859 return;
00860 }
00861 }
00862
00863 static void phone_check_exception(struct phone_pvt *i)
00864 {
00865 int offhook=0;
00866 char digit[2] = {0 , 0};
00867 union telephony_exception phonee;
00868
00869 #if 0
00870 ast_log(LOG_DEBUG, "Exception!\n");
00871 #endif
00872 phonee.bytes = ioctl(i->fd, PHONE_EXCEPTION);
00873 if (phonee.bits.dtmf_ready) {
00874 digit[0] = ioctl(i->fd, PHONE_GET_DTMF_ASCII);
00875 if (i->mode == MODE_DIALTONE || i->mode == MODE_FXS) {
00876 ioctl(i->fd, PHONE_PLAY_STOP);
00877 ioctl(i->fd, PHONE_REC_STOP);
00878 ioctl(i->fd, PHONE_CPT_STOP);
00879 i->dialtone = 0;
00880 if (strlen(i->ext) < AST_MAX_EXTENSION - 1)
00881 strncat(i->ext, digit, sizeof(i->ext) - strlen(i->ext) - 1);
00882 if ((i->mode != MODE_FXS ||
00883 !(phonee.bytes = ioctl(i->fd, PHONE_EXCEPTION)) ||
00884 !phonee.bits.dtmf_ready) &&
00885 ast_exists_extension(NULL, i->context, i->ext, 1, i->cid_num)) {
00886
00887 phone_new(i, AST_STATE_RING, i->context);
00888
00889 } else if (!ast_canmatch_extension(NULL, i->context, i->ext, 1, i->cid_num)) {
00890
00891
00892 if (ast_exists_extension(NULL, "default", i->ext, 1, i->cid_num)) {
00893
00894 phone_new(i, AST_STATE_RING, "default");
00895
00896 } else if (!ast_canmatch_extension(NULL, "default", i->ext, 1, i->cid_num)) {
00897
00898 if (option_debug)
00899 ast_log(LOG_DEBUG, "%s can't match anything in %s or default\n", i->ext, i->context);
00900 ioctl(i->fd, PHONE_BUSY);
00901 i->cpt = 1;
00902 }
00903 }
00904 #if 0
00905 ast_verbose("Extension is %s\n", i->ext);
00906 #endif
00907 }
00908 }
00909 if (phonee.bits.hookstate) {
00910 offhook = ioctl(i->fd, PHONE_HOOKSTATE);
00911 if (offhook) {
00912 if (i->mode == MODE_IMMEDIATE) {
00913 phone_new(i, AST_STATE_RING, i->context);
00914 } else if (i->mode == MODE_DIALTONE) {
00915 ast_mutex_lock(&usecnt_lock);
00916 usecnt++;
00917 ast_mutex_unlock(&usecnt_lock);
00918 ast_update_use_count();
00919
00920 i->ext[0] = '\0';
00921
00922 i->dialtone++;
00923 ioctl(i->fd, PHONE_PLAY_STOP);
00924 ioctl(i->fd, PHONE_PLAY_CODEC, ULAW);
00925 ioctl(i->fd, PHONE_PLAY_START);
00926 i->lastformat = -1;
00927 }
00928 } else {
00929 if (i->dialtone) {
00930 ast_mutex_lock(&usecnt_lock);
00931 usecnt--;
00932 ast_mutex_unlock(&usecnt_lock);
00933 ast_update_use_count();
00934 }
00935 memset(i->ext, 0, sizeof(i->ext));
00936 if (i->cpt)
00937 {
00938 ioctl(i->fd, PHONE_CPT_STOP);
00939 i->cpt = 0;
00940 }
00941 ioctl(i->fd, PHONE_PLAY_STOP);
00942 ioctl(i->fd, PHONE_REC_STOP);
00943 i->dialtone = 0;
00944 i->lastformat = -1;
00945 }
00946 }
00947 if (phonee.bits.pstn_ring) {
00948 ast_verbose("Unit is ringing\n");
00949 phone_new(i, AST_STATE_RING, i->context);
00950 }
00951 if (phonee.bits.caller_id)
00952 ast_verbose("We have caller ID\n");
00953
00954
00955 }
00956
00957 static void *do_monitor(void *data)
00958 {
00959 fd_set rfds, efds;
00960 int n, res;
00961 struct phone_pvt *i;
00962 int tonepos = 0;
00963
00964 struct timeval tv = {0,0};
00965 int dotone;
00966
00967
00968
00969 if (pthread_setcanceltype(PTHREAD_CANCEL_ASYNCHRONOUS, NULL)) {
00970 ast_log(LOG_WARNING, "Unable to set cancel type to asynchronous\n");
00971 return NULL;
00972 }
00973 for(;;) {
00974
00975
00976 if (ast_mutex_lock(&monlock)) {
00977 ast_log(LOG_ERROR, "Unable to grab monitor lock\n");
00978 return NULL;
00979 }
00980
00981 if (ast_mutex_lock(&iflock)) {
00982 ast_log(LOG_ERROR, "Unable to grab interface lock\n");
00983 ast_mutex_unlock(&monlock);
00984 return NULL;
00985 }
00986
00987
00988 n = -1;
00989 FD_ZERO(&rfds);
00990 FD_ZERO(&efds);
00991 i = iflist;
00992 dotone = 0;
00993 while(i) {
00994 if (FD_ISSET(i->fd, &rfds))
00995 ast_log(LOG_WARNING, "Descriptor %d appears twice (%s)?\n", i->fd, i->dev);
00996 if (!i->owner) {
00997
00998 FD_SET(i->fd, &rfds);
00999 FD_SET(i->fd, &efds);
01000 if (i->fd > n)
01001 n = i->fd;
01002 if (i->dialtone) {
01003
01004
01005 if (ast_tvzero(tv)) {
01006
01007 if (write(i->fd, DialTone + tonepos, 240) != 240)
01008 ast_log(LOG_WARNING, "Dial tone write error\n");
01009 }
01010 dotone++;
01011 }
01012 }
01013
01014 i = i->next;
01015 }
01016
01017 ast_mutex_unlock(&iflock);
01018
01019
01020 ast_mutex_unlock(&monlock);
01021
01022
01023 if (dotone) {
01024
01025 tonepos += 240;
01026 if (tonepos >= sizeof(DialTone))
01027 tonepos = 0;
01028 if (ast_tvzero(tv)) {
01029 tv = ast_tv(30000, 0);
01030 }
01031 res = ast_select(n + 1, &rfds, NULL, &efds, &tv);
01032 } else {
01033 res = ast_select(n + 1, &rfds, NULL, &efds, NULL);
01034 tv = ast_tv(0,0);
01035 tonepos = 0;
01036 }
01037
01038 if (res < 0) {
01039 ast_log(LOG_WARNING, "select return %d: %s\n", res, strerror(errno));
01040 continue;
01041 }
01042
01043
01044 if (!res)
01045 continue;
01046
01047
01048 if (ast_mutex_lock(&iflock)) {
01049 ast_log(LOG_WARNING, "Unable to lock the interface list\n");
01050 continue;
01051 }
01052
01053 i = iflist;
01054 for(; i; i=i->next) {
01055 if (FD_ISSET(i->fd, &rfds)) {
01056 if (i->owner) {
01057 continue;
01058 }
01059 phone_mini_packet(i);
01060 }
01061 if (FD_ISSET(i->fd, &efds)) {
01062 if (i->owner) {
01063 continue;
01064 }
01065 phone_check_exception(i);
01066 }
01067 }
01068 ast_mutex_unlock(&iflock);
01069 }
01070
01071 return NULL;
01072
01073 }
01074
01075 static int restart_monitor()
01076 {
01077
01078 if (monitor_thread == AST_PTHREADT_STOP)
01079 return 0;
01080 if (ast_mutex_lock(&monlock)) {
01081 ast_log(LOG_WARNING, "Unable to lock monitor\n");
01082 return -1;
01083 }
01084 if (monitor_thread == pthread_self()) {
01085 ast_mutex_unlock(&monlock);
01086 ast_log(LOG_WARNING, "Cannot kill myself\n");
01087 return -1;
01088 }
01089 if (monitor_thread != AST_PTHREADT_NULL) {
01090 if (ast_mutex_lock(&iflock)) {
01091 ast_mutex_unlock(&monlock);
01092 ast_log(LOG_WARNING, "Unable to lock the interface list\n");
01093 return -1;
01094 }
01095 pthread_cancel(monitor_thread);
01096 #if 0
01097 pthread_join(monitor_thread, NULL);
01098 #endif
01099 ast_mutex_unlock(&iflock);
01100 }
01101
01102 if (ast_pthread_create(&monitor_thread, NULL, do_monitor, NULL) < 0) {
01103 ast_mutex_unlock(&monlock);
01104 ast_log(LOG_ERROR, "Unable to start monitor thread.\n");
01105 return -1;
01106 }
01107 ast_mutex_unlock(&monlock);
01108 return 0;
01109 }
01110
01111 static struct phone_pvt *mkif(char *iface, int mode, int txgain, int rxgain)
01112 {
01113
01114 struct phone_pvt *tmp;
01115 int flags;
01116
01117 tmp = malloc(sizeof(struct phone_pvt));
01118 if (tmp) {
01119 tmp->fd = open(iface, O_RDWR);
01120 if (tmp->fd < 0) {
01121 ast_log(LOG_WARNING, "Unable to open '%s'\n", iface);
01122 free(tmp);
01123 return NULL;
01124 }
01125 if (mode == MODE_FXO) {
01126 if (ioctl(tmp->fd, IXJCTL_PORT, PORT_PSTN))
01127 ast_log(LOG_DEBUG, "Unable to set port to PSTN\n");
01128 } else {
01129 if (ioctl(tmp->fd, IXJCTL_PORT, PORT_POTS))
01130 if (mode != MODE_FXS)
01131 ast_log(LOG_DEBUG, "Unable to set port to POTS\n");
01132 }
01133 ioctl(tmp->fd, PHONE_PLAY_STOP);
01134 ioctl(tmp->fd, PHONE_REC_STOP);
01135 ioctl(tmp->fd, PHONE_RING_STOP);
01136 ioctl(tmp->fd, PHONE_CPT_STOP);
01137 if (ioctl(tmp->fd, PHONE_PSTN_SET_STATE, PSTN_ON_HOOK))
01138 ast_log(LOG_DEBUG, "ioctl(PHONE_PSTN_SET_STATE) failed on %s (%s)\n",iface, strerror(errno));
01139 if (echocancel != AEC_OFF)
01140 ioctl(tmp->fd, IXJCTL_AEC_START, echocancel);
01141 if (silencesupression)
01142 tmp->silencesupression = 1;
01143 #ifdef PHONE_VAD
01144 ioctl(tmp->fd, PHONE_VAD, tmp->silencesupression);
01145 #endif
01146 tmp->mode = mode;
01147 flags = fcntl(tmp->fd, F_GETFL);
01148 fcntl(tmp->fd, F_SETFL, flags | O_NONBLOCK);
01149 tmp->owner = NULL;
01150 tmp->lastformat = -1;
01151 tmp->lastinput = -1;
01152 tmp->ministate = 0;
01153 memset(tmp->ext, 0, sizeof(tmp->ext));
01154 strncpy(tmp->language, language, sizeof(tmp->language)-1);
01155 strncpy(tmp->dev, iface, sizeof(tmp->dev)-1);
01156 strncpy(tmp->context, context, sizeof(tmp->context)-1);
01157 tmp->next = NULL;
01158 tmp->obuflen = 0;
01159 tmp->dialtone = 0;
01160 tmp->cpt = 0;
01161 strncpy(tmp->cid_num, cid_num, sizeof(tmp->cid_num)-1);
01162 strncpy(tmp->cid_name, cid_name, sizeof(tmp->cid_name)-1);
01163 tmp->txgain = txgain;
01164 ioctl(tmp->fd, PHONE_PLAY_VOLUME, tmp->txgain);
01165 tmp->rxgain = rxgain;
01166 ioctl(tmp->fd, PHONE_REC_VOLUME, tmp->rxgain);
01167 }
01168 return tmp;
01169 }
01170
01171 static struct ast_channel *phone_request(const char *type, int format, void *data, int *cause)
01172 {
01173 int oldformat;
01174 struct phone_pvt *p;
01175 struct ast_channel *tmp = NULL;
01176 char *name = data;
01177
01178
01179 if (ast_mutex_lock(&iflock)) {
01180 ast_log(LOG_ERROR, "Unable to lock interface list???\n");
01181 return NULL;
01182 }
01183 p = iflist;
01184 while(p) {
01185 if (p->mode == MODE_FXS ||
01186 format & (AST_FORMAT_G723_1 | AST_FORMAT_SLINEAR | AST_FORMAT_ULAW)) {
01187 size_t length = strlen(p->dev + 5);
01188 if (strncmp(name, p->dev + 5, length) == 0 &&
01189 !isalnum(name[length])) {
01190 if (!p->owner) {
01191 tmp = phone_new(p, AST_STATE_DOWN, p->context);
01192 break;
01193 } else
01194 *cause = AST_CAUSE_BUSY;
01195 }
01196 }
01197 p = p->next;
01198 }
01199 ast_mutex_unlock(&iflock);
01200 restart_monitor();
01201 if (tmp == NULL) {
01202 oldformat = format;
01203 format &= (AST_FORMAT_G723_1 | AST_FORMAT_SLINEAR | AST_FORMAT_ULAW);
01204 if (!format) {
01205 ast_log(LOG_NOTICE, "Asked to get a channel of unsupported format '%d'\n", oldformat);
01206 return NULL;
01207 }
01208 }
01209 return tmp;
01210 }
01211
01212
01213 static int parse_gain_value(char *gain_type, char *value)
01214 {
01215 float gain;
01216
01217
01218 if (sscanf(value, "%f", &gain) != 1)
01219 {
01220 ast_log(LOG_ERROR, "Invalid %s value '%s' in '%s' config\n",
01221 value, gain_type, config);
01222 return DEFAULT_GAIN;
01223 }
01224
01225
01226 gain = gain * (float)DEFAULT_GAIN;
01227
01228
01229 if (value[strlen(value) - 1] == '%')
01230 return (int)(gain / (float)100);
01231
01232 return (int)gain;
01233 }
01234
01235 static int __unload_module(void)
01236 {
01237 struct phone_pvt *p, *pl;
01238
01239 ast_channel_unregister(cur_tech);
01240 if (!ast_mutex_lock(&iflock)) {
01241
01242 p = iflist;
01243 while(p) {
01244 if (p->owner)
01245 ast_softhangup(p->owner, AST_SOFTHANGUP_APPUNLOAD);
01246 p = p->next;
01247 }
01248 iflist = NULL;
01249 ast_mutex_unlock(&iflock);
01250 } else {
01251 ast_log(LOG_WARNING, "Unable to lock the monitor\n");
01252 return -1;
01253 }
01254 if (!ast_mutex_lock(&monlock)) {
01255 if (monitor_thread > AST_PTHREADT_NULL) {
01256 pthread_cancel(monitor_thread);
01257 pthread_join(monitor_thread, NULL);
01258 }
01259 monitor_thread = AST_PTHREADT_STOP;
01260 ast_mutex_unlock(&monlock);
01261 } else {
01262 ast_log(LOG_WARNING, "Unable to lock the monitor\n");
01263 return -1;
01264 }
01265
01266 if (!ast_mutex_lock(&iflock)) {
01267
01268 p = iflist;
01269 while(p) {
01270
01271 if (p->fd > -1)
01272 close(p->fd);
01273 pl = p;
01274 p = p->next;
01275
01276 free(pl);
01277 }
01278 iflist = NULL;
01279 ast_mutex_unlock(&iflock);
01280 } else {
01281 ast_log(LOG_WARNING, "Unable to lock the monitor\n");
01282 return -1;
01283 }
01284
01285 return 0;
01286 }
01287
01288 int unload_module(void)
01289 {
01290 return __unload_module();
01291 }
01292
01293 int load_module()
01294 {
01295 struct ast_config *cfg;
01296 struct ast_variable *v;
01297 struct phone_pvt *tmp;
01298 int mode = MODE_IMMEDIATE;
01299 int txgain = DEFAULT_GAIN, rxgain = DEFAULT_GAIN;
01300 cfg = ast_config_load(config);
01301
01302
01303 if (!cfg) {
01304 ast_log(LOG_ERROR, "Unable to load config %s\n", config);
01305 return -1;
01306 }
01307 if (ast_mutex_lock(&iflock)) {
01308
01309 ast_log(LOG_ERROR, "Unable to lock interface list???\n");
01310 return -1;
01311 }
01312 v = ast_variable_browse(cfg, "interfaces");
01313 while(v) {
01314
01315 if (!strcasecmp(v->name, "device")) {
01316 tmp = mkif(v->value, mode, txgain, rxgain);
01317 if (tmp) {
01318 tmp->next = iflist;
01319 iflist = tmp;
01320
01321 } else {
01322 ast_log(LOG_ERROR, "Unable to register channel '%s'\n", v->value);
01323 ast_config_destroy(cfg);
01324 ast_mutex_unlock(&iflock);
01325 __unload_module();
01326 return -1;
01327 }
01328 } else if (!strcasecmp(v->name, "silencesupression")) {
01329 silencesupression = ast_true(v->value);
01330 } else if (!strcasecmp(v->name, "language")) {
01331 strncpy(language, v->value, sizeof(language)-1);
01332 } else if (!strcasecmp(v->name, "callerid")) {
01333 ast_callerid_split(v->value, cid_name, sizeof(cid_name), cid_num, sizeof(cid_num));
01334 } else if (!strcasecmp(v->name, "mode")) {
01335 if (!strncasecmp(v->value, "di", 2))
01336 mode = MODE_DIALTONE;
01337 else if (!strncasecmp(v->value, "im", 2))
01338 mode = MODE_IMMEDIATE;
01339 else if (!strncasecmp(v->value, "fxs", 3)) {
01340 mode = MODE_FXS;
01341 prefformat = 0x01ff0000;
01342 }
01343 else if (!strncasecmp(v->value, "fx", 2))
01344 mode = MODE_FXO;
01345 else
01346 ast_log(LOG_WARNING, "Unknown mode: %s\n", v->value);
01347 } else if (!strcasecmp(v->name, "context")) {
01348 strncpy(context, v->value, sizeof(context)-1);
01349 } else if (!strcasecmp(v->name, "format")) {
01350 if (!strcasecmp(v->value, "g723.1")) {
01351 prefformat = AST_FORMAT_G723_1;
01352 } else if (!strcasecmp(v->value, "slinear")) {
01353 if (mode == MODE_FXS)
01354 prefformat |= AST_FORMAT_SLINEAR;
01355 else prefformat = AST_FORMAT_SLINEAR;
01356 } else if (!strcasecmp(v->value, "ulaw")) {
01357 prefformat = AST_FORMAT_ULAW;
01358 } else
01359 ast_log(LOG_WARNING, "Unknown format '%s'\n", v->value);
01360 } else if (!strcasecmp(v->name, "echocancel")) {
01361 if (!strcasecmp(v->value, "off")) {
01362 echocancel = AEC_OFF;
01363 } else if (!strcasecmp(v->value, "low")) {
01364 echocancel = AEC_LOW;
01365 } else if (!strcasecmp(v->value, "medium")) {
01366 echocancel = AEC_MED;
01367 } else if (!strcasecmp(v->value, "high")) {
01368 echocancel = AEC_HIGH;
01369 } else
01370 ast_log(LOG_WARNING, "Unknown echo cancellation '%s'\n", v->value);
01371 } else if (!strcasecmp(v->name, "txgain")) {
01372 txgain = parse_gain_value(v->name, v->value);
01373 } else if (!strcasecmp(v->name, "rxgain")) {
01374 rxgain = parse_gain_value(v->name, v->value);
01375 }
01376 v = v->next;
01377 }
01378 ast_mutex_unlock(&iflock);
01379
01380 if (mode == MODE_FXS) {
01381 phone_tech_fxs.capabilities = prefformat;
01382 cur_tech = &phone_tech_fxs;
01383 } else
01384 cur_tech = (struct ast_channel_tech *) &phone_tech;
01385
01386
01387
01388 if (ast_channel_register(cur_tech)) {
01389 ast_log(LOG_ERROR, "Unable to register channel class %s\n", type);
01390 ast_config_destroy(cfg);
01391 __unload_module();
01392 return -1;
01393 }
01394 ast_config_destroy(cfg);
01395
01396 restart_monitor();
01397 return 0;
01398 }
01399
01400 int usecount()
01401 {
01402 return usecnt;
01403 }
01404
01405 char *description()
01406 {
01407 return (char *) desc;
01408 }
01409
01410 char *key()
01411 {
01412 return ASTERISK_GPL_KEY;
01413 }