00001
00002
00003
00004
00005
00006
00007
00008
00009
00010
00011
00012
00013
00014
00015
00016
00017
00018
00019
00020
00021
00022
00023
00024
00025
00026
00027
00028
00029
00030
00031
00032
00033
00034
00035
00036 #include "asterisk.h"
00037
00038 ASTERISK_FILE_VERSION(__FILE__, "$Revision$")
00039
00040 #include <stdlib.h>
00041 #include <stdio.h>
00042 #include <string.h>
00043 #include <unistd.h>
00044 #include <errno.h>
00045 #include <sys/ioctl.h>
00046 #include <zaptel/zaptel.h>
00047
00048 #include "asterisk/lock.h"
00049 #include "asterisk/file.h"
00050 #include "asterisk/logger.h"
00051 #include "asterisk/channel.h"
00052 #include "asterisk/pbx.h"
00053 #include "asterisk/module.h"
00054 #include "asterisk/config.h"
00055 #include "asterisk/app.h"
00056 #include "asterisk/dsp.h"
00057 #include "asterisk/musiconhold.h"
00058 #include "asterisk/manager.h"
00059 #include "asterisk/options.h"
00060 #include "asterisk/cli.h"
00061 #include "asterisk/say.h"
00062 #include "asterisk/utils.h"
00063 #include "asterisk/translate.h"
00064 #include "asterisk/ulaw.h"
00065 #include "asterisk/astobj.h"
00066 #include "asterisk/devicestate.h"
00067 #include "asterisk/dial.h"
00068 #include "asterisk/causes.h"
00069
00070 #include "enter.h"
00071 #include "leave.h"
00072
00073 #define CONFIG_FILE_NAME "meetme.conf"
00074 #define SLA_CONFIG_FILE "sla.conf"
00075
00076
00077 #define DEFAULT_AUDIO_BUFFERS 32
00078
00079 enum {
00080 ADMINFLAG_MUTED = (1 << 1),
00081 ADMINFLAG_SELFMUTED = (1 << 2),
00082 ADMINFLAG_KICKME = (1 << 3)
00083 };
00084
00085 #define MEETME_DELAYDETECTTALK 300
00086 #define MEETME_DELAYDETECTENDTALK 1000
00087
00088 #define AST_FRAME_BITS 32
00089
00090 enum volume_action {
00091 VOL_UP,
00092 VOL_DOWN
00093 };
00094
00095 enum entrance_sound {
00096 ENTER,
00097 LEAVE
00098 };
00099
00100 enum recording_state {
00101 MEETME_RECORD_OFF,
00102 MEETME_RECORD_STARTED,
00103 MEETME_RECORD_ACTIVE,
00104 MEETME_RECORD_TERMINATE
00105 };
00106
00107 #define CONF_SIZE 320
00108
00109 enum {
00110
00111 CONFFLAG_ADMIN = (1 << 0),
00112
00113 CONFFLAG_MONITOR = (1 << 1),
00114
00115 CONFFLAG_POUNDEXIT = (1 << 2),
00116
00117 CONFFLAG_STARMENU = (1 << 3),
00118
00119 CONFFLAG_TALKER = (1 << 4),
00120
00121 CONFFLAG_QUIET = (1 << 5),
00122
00123
00124 CONFFLAG_ANNOUNCEUSERCOUNT = (1 << 6),
00125
00126 CONFFLAG_AGI = (1 << 7),
00127
00128 CONFFLAG_MOH = (1 << 8),
00129
00130 CONFFLAG_MARKEDEXIT = (1 << 9),
00131
00132 CONFFLAG_WAITMARKED = (1 << 10),
00133
00134 CONFFLAG_EXIT_CONTEXT = (1 << 11),
00135
00136 CONFFLAG_MARKEDUSER = (1 << 12),
00137
00138 CONFFLAG_INTROUSER = (1 << 13),
00139
00140 CONFFLAG_RECORDCONF = (1<< 14),
00141
00142 CONFFLAG_MONITORTALKER = (1 << 15),
00143 CONFFLAG_DYNAMIC = (1 << 16),
00144 CONFFLAG_DYNAMICPIN = (1 << 17),
00145 CONFFLAG_EMPTY = (1 << 18),
00146 CONFFLAG_EMPTYNOPIN = (1 << 19),
00147 CONFFLAG_ALWAYSPROMPT = (1 << 20),
00148
00149 CONFFLAG_OPTIMIZETALKER = (1 << 21),
00150
00151
00152 CONFFLAG_NOONLYPERSON = (1 << 22),
00153
00154
00155 CONFFLAG_INTROUSERNOREVIEW = (1 << 23),
00156
00157 CONFFLAG_STARTMUTED = (1 << 24),
00158
00159 CONFFLAG_PASS_DTMF = (1 << 25),
00160
00161 CONFFLAG_SLA_STATION = (1 << 26),
00162
00163 CONFFLAG_SLA_TRUNK = (1 << 27),
00164 };
00165
00166 enum {
00167 OPT_ARG_WAITMARKED = 0,
00168 OPT_ARG_ARRAY_SIZE = 1,
00169 };
00170
00171 AST_APP_OPTIONS(meetme_opts, BEGIN_OPTIONS
00172 AST_APP_OPTION('A', CONFFLAG_MARKEDUSER ),
00173 AST_APP_OPTION('a', CONFFLAG_ADMIN ),
00174 AST_APP_OPTION('b', CONFFLAG_AGI ),
00175 AST_APP_OPTION('c', CONFFLAG_ANNOUNCEUSERCOUNT ),
00176 AST_APP_OPTION('D', CONFFLAG_DYNAMICPIN ),
00177 AST_APP_OPTION('d', CONFFLAG_DYNAMIC ),
00178 AST_APP_OPTION('E', CONFFLAG_EMPTYNOPIN ),
00179 AST_APP_OPTION('e', CONFFLAG_EMPTY ),
00180 AST_APP_OPTION('F', CONFFLAG_PASS_DTMF ),
00181 AST_APP_OPTION('i', CONFFLAG_INTROUSER ),
00182 AST_APP_OPTION('I', CONFFLAG_INTROUSERNOREVIEW ),
00183 AST_APP_OPTION('M', CONFFLAG_MOH ),
00184 AST_APP_OPTION('m', CONFFLAG_STARTMUTED ),
00185 AST_APP_OPTION('o', CONFFLAG_OPTIMIZETALKER ),
00186 AST_APP_OPTION('P', CONFFLAG_ALWAYSPROMPT ),
00187 AST_APP_OPTION('p', CONFFLAG_POUNDEXIT ),
00188 AST_APP_OPTION('q', CONFFLAG_QUIET ),
00189 AST_APP_OPTION('r', CONFFLAG_RECORDCONF ),
00190 AST_APP_OPTION('s', CONFFLAG_STARMENU ),
00191 AST_APP_OPTION('T', CONFFLAG_MONITORTALKER ),
00192 AST_APP_OPTION('l', CONFFLAG_MONITOR ),
00193 AST_APP_OPTION('t', CONFFLAG_TALKER ),
00194 AST_APP_OPTION_ARG('w', CONFFLAG_WAITMARKED, OPT_ARG_WAITMARKED ),
00195 AST_APP_OPTION('X', CONFFLAG_EXIT_CONTEXT ),
00196 AST_APP_OPTION('x', CONFFLAG_MARKEDEXIT ),
00197 AST_APP_OPTION('1', CONFFLAG_NOONLYPERSON ),
00198 END_OPTIONS );
00199
00200 static const char *app = "MeetMe";
00201 static const char *app2 = "MeetMeCount";
00202 static const char *app3 = "MeetMeAdmin";
00203 static const char *slastation_app = "SLAStation";
00204 static const char *slatrunk_app = "SLATrunk";
00205
00206 static const char *synopsis = "MeetMe conference bridge";
00207 static const char *synopsis2 = "MeetMe participant count";
00208 static const char *synopsis3 = "MeetMe conference Administration";
00209 static const char *slastation_synopsis = "Shared Line Appearance Station";
00210 static const char *slatrunk_synopsis = "Shared Line Appearance Trunk";
00211
00212 static const char *descrip =
00213 " MeetMe([confno][,[options][,pin]]): Enters the user into a specified MeetMe\n"
00214 "conference. If the conference number is omitted, the user will be prompted\n"
00215 "to enter one. User can exit the conference by hangup, or if the 'p' option\n"
00216 "is specified, by pressing '#'.\n"
00217 "Please note: The Zaptel kernel modules and at least one hardware driver (or ztdummy)\n"
00218 " must be present for conferencing to operate properly. In addition, the chan_zap\n"
00219 " channel driver must be loaded for the 'i' and 'r' options to operate at all.\n\n"
00220 "The option string may contain zero or more of the following characters:\n"
00221 " 'a' -- set admin mode\n"
00222 " 'A' -- set marked mode\n"
00223 " 'b' -- run AGI script specified in ${MEETME_AGI_BACKGROUND}\n"
00224 " Default: conf-background.agi (Note: This does not work with\n"
00225 " non-Zap channels in the same conference)\n"
00226 " 'c' -- announce user(s) count on joining a conference\n"
00227 " 'd' -- dynamically add conference\n"
00228 " 'D' -- dynamically add conference, prompting for a PIN\n"
00229 " 'e' -- select an empty conference\n"
00230 " 'E' -- select an empty pinless conference\n"
00231 " 'F' -- Pass DTMF through the conference.\n"
00232 " 'i' -- announce user join/leave with review\n"
00233 " 'I' -- announce user join/leave without review\n"
00234 " 'l' -- set listen only mode (Listen only, no talking)\n"
00235 " 'm' -- set initially muted\n"
00236 " 'M' -- enable music on hold when the conference has a single caller\n"
00237 " 'o' -- set talker optimization - treats talkers who aren't speaking as\n"
00238 " being muted, meaning (a) No encode is done on transmission and\n"
00239 " (b) Received audio that is not registered as talking is omitted\n"
00240 " causing no buildup in background noise. Note that this option\n"
00241 " will be removed in 1.6 and enabled by default.\n"
00242 " 'p' -- allow user to exit the conference by pressing '#'\n"
00243 " 'P' -- always prompt for the pin even if it is specified\n"
00244 " 'q' -- quiet mode (don't play enter/leave sounds)\n"
00245 " 'r' -- Record conference (records as ${MEETME_RECORDINGFILE}\n"
00246 " using format ${MEETME_RECORDINGFORMAT}). Default filename is\n"
00247 " meetme-conf-rec-${CONFNO}-${UNIQUEID} and the default format is\n"
00248 " wav.\n"
00249 " 's' -- Present menu (user or admin) when '*' is received ('send' to menu)\n"
00250 " 't' -- set talk only mode. (Talk only, no listening)\n"
00251 " 'T' -- set talker detection (sent to manager interface and meetme list)\n"
00252 " 'w[(<secs>)]'\n"
00253 " -- wait until the marked user enters the conference\n"
00254 " 'x' -- close the conference when last marked user exits\n"
00255 " 'X' -- allow user to exit the conference by entering a valid single\n"
00256 " digit extension ${MEETME_EXIT_CONTEXT} or the current context\n"
00257 " if that variable is not defined.\n"
00258 " '1' -- do not play message when first person enters\n";
00259
00260 static const char *descrip2 =
00261 " MeetMeCount(confno[|var]): Plays back the number of users in the specified\n"
00262 "MeetMe conference. If var is specified, playback will be skipped and the value\n"
00263 "will be returned in the variable. Upon app completion, MeetMeCount will hangup\n"
00264 "the channel, unless priority n+1 exists, in which case priority progress will\n"
00265 "continue.\n"
00266 "A ZAPTEL INTERFACE MUST BE INSTALLED FOR CONFERENCING FUNCTIONALITY.\n";
00267
00268 static const char *descrip3 =
00269 " MeetMeAdmin(confno,command[,user]): Run admin command for conference\n"
00270 " 'e' -- Eject last user that joined\n"
00271 " 'k' -- Kick one user out of conference\n"
00272 " 'K' -- Kick all users out of conference\n"
00273 " 'l' -- Unlock conference\n"
00274 " 'L' -- Lock conference\n"
00275 " 'm' -- Unmute one user\n"
00276 " 'M' -- Mute one user\n"
00277 " 'n' -- Unmute all users in the conference\n"
00278 " 'N' -- Mute all non-admin users in the conference\n"
00279 " 'r' -- Reset one user's volume settings\n"
00280 " 'R' -- Reset all users volume settings\n"
00281 " 's' -- Lower entire conference speaking volume\n"
00282 " 'S' -- Raise entire conference speaking volume\n"
00283 " 't' -- Lower one user's talk volume\n"
00284 " 'T' -- Raise one user's talk volume\n"
00285 " 'u' -- Lower one user's listen volume\n"
00286 " 'U' -- Raise one user's listen volume\n"
00287 " 'v' -- Lower entire conference listening volume\n"
00288 " 'V' -- Raise entire conference listening volume\n"
00289 "";
00290
00291 static const char *slastation_desc =
00292 " SLAStation(station):\n"
00293 "This application should be executed by an SLA station. The argument depends\n"
00294 "on how the call was initiated. If the phone was just taken off hook, then\n"
00295 "the argument \"station\" should be just the station name. If the call was\n"
00296 "initiated by pressing a line key, then the station name should be preceded\n"
00297 "by an underscore and the trunk name associated with that line button.\n"
00298 "For example: \"station1_line1\"."
00299 " On exit, this application will set the variable SLASTATION_STATUS to\n"
00300 "one of the following values:\n"
00301 " FAILURE | CONGESTION | SUCCESS\n"
00302 "";
00303
00304 static const char *slatrunk_desc =
00305 " SLATrunk(trunk):\n"
00306 "This application should be executed by an SLA trunk on an inbound call.\n"
00307 "The channel calling this application should correspond to the SLA trunk\n"
00308 "with the name \"trunk\" that is being passed as an argument.\n"
00309 " On exit, this application will set the variable SLATRUNK_STATUS to\n"
00310 "one of the following values:\n"
00311 " FAILURE | SUCCESS | UNANSWERED | RINGTIMEOUT\n"
00312 "";
00313
00314 #define MAX_CONFNUM 80
00315 #define MAX_PIN 80
00316
00317
00318 struct ast_conference {
00319 ast_mutex_t playlock;
00320 ast_mutex_t listenlock;
00321 char confno[MAX_CONFNUM];
00322 struct ast_channel *chan;
00323 struct ast_channel *lchan;
00324 int fd;
00325 int zapconf;
00326 int users;
00327 int markedusers;
00328 time_t start;
00329 int refcount;
00330 enum recording_state recording:2;
00331 unsigned int isdynamic:1;
00332 unsigned int locked:1;
00333 pthread_t recordthread;
00334 pthread_attr_t attr;
00335 const char *recordingfilename;
00336 const char *recordingformat;
00337 char pin[MAX_PIN];
00338 char pinadmin[MAX_PIN];
00339 struct ast_frame *transframe[32];
00340 struct ast_frame *origframe;
00341 struct ast_trans_pvt *transpath[32];
00342 AST_LIST_HEAD_NOLOCK(, ast_conf_user) userlist;
00343 AST_LIST_ENTRY(ast_conference) list;
00344 };
00345
00346 static AST_LIST_HEAD_STATIC(confs, ast_conference);
00347
00348 static unsigned int conf_map[1024] = {0, };
00349
00350 struct volume {
00351 int desired;
00352 int actual;
00353 };
00354
00355 struct ast_conf_user {
00356 int user_no;
00357 int userflags;
00358 int adminflags;
00359 struct ast_channel *chan;
00360 int talking;
00361 int zapchannel;
00362 char usrvalue[50];
00363 char namerecloc[PATH_MAX];
00364 time_t jointime;
00365 struct volume talk;
00366 struct volume listen;
00367 AST_LIST_ENTRY(ast_conf_user) list;
00368 };
00369
00370 enum sla_which_trunk_refs {
00371 ALL_TRUNK_REFS,
00372 INACTIVE_TRUNK_REFS,
00373 };
00374
00375 enum sla_trunk_state {
00376 SLA_TRUNK_STATE_IDLE,
00377 SLA_TRUNK_STATE_RINGING,
00378 SLA_TRUNK_STATE_UP,
00379 SLA_TRUNK_STATE_ONHOLD,
00380 SLA_TRUNK_STATE_ONHOLD_BYME,
00381 };
00382
00383 enum sla_hold_access {
00384
00385
00386 SLA_HOLD_OPEN,
00387
00388
00389 SLA_HOLD_PRIVATE,
00390 };
00391
00392 struct sla_trunk_ref;
00393
00394 struct sla_station {
00395 AST_RWLIST_ENTRY(sla_station) entry;
00396 AST_DECLARE_STRING_FIELDS(
00397 AST_STRING_FIELD(name);
00398 AST_STRING_FIELD(device);
00399 AST_STRING_FIELD(autocontext);
00400 );
00401 AST_LIST_HEAD_NOLOCK(, sla_trunk_ref) trunks;
00402 struct ast_dial *dial;
00403
00404
00405
00406 unsigned int ring_timeout;
00407
00408
00409
00410 unsigned int ring_delay;
00411
00412
00413 unsigned int hold_access:1;
00414 };
00415
00416 struct sla_station_ref {
00417 AST_LIST_ENTRY(sla_station_ref) entry;
00418 struct sla_station *station;
00419 };
00420
00421 struct sla_trunk {
00422 AST_RWLIST_ENTRY(sla_trunk) entry;
00423 AST_DECLARE_STRING_FIELDS(
00424 AST_STRING_FIELD(name);
00425 AST_STRING_FIELD(device);
00426 AST_STRING_FIELD(autocontext);
00427 );
00428 AST_LIST_HEAD_NOLOCK(, sla_station_ref) stations;
00429
00430 unsigned int num_stations;
00431
00432 unsigned int active_stations;
00433
00434 unsigned int hold_stations;
00435 struct ast_channel *chan;
00436 unsigned int ring_timeout;
00437
00438
00439 unsigned int barge_disabled:1;
00440
00441
00442 unsigned int hold_access:1;
00443
00444
00445 unsigned int on_hold:1;
00446 };
00447
00448 struct sla_trunk_ref {
00449 AST_LIST_ENTRY(sla_trunk_ref) entry;
00450 struct sla_trunk *trunk;
00451 enum sla_trunk_state state;
00452 struct ast_channel *chan;
00453
00454
00455
00456 unsigned int ring_timeout;
00457
00458
00459
00460 unsigned int ring_delay;
00461 };
00462
00463 static AST_RWLIST_HEAD_STATIC(sla_stations, sla_station);
00464 static AST_RWLIST_HEAD_STATIC(sla_trunks, sla_trunk);
00465
00466 static const char sla_registrar[] = "SLA";
00467
00468
00469 enum sla_event_type {
00470
00471 SLA_EVENT_HOLD,
00472
00473 SLA_EVENT_DIAL_STATE,
00474
00475 SLA_EVENT_RINGING_TRUNK,
00476 };
00477
00478 struct sla_event {
00479 enum sla_event_type type;
00480 struct sla_station *station;
00481 struct sla_trunk_ref *trunk_ref;
00482 AST_LIST_ENTRY(sla_event) entry;
00483 };
00484
00485
00486
00487 struct sla_failed_station {
00488 struct sla_station *station;
00489 struct timeval last_try;
00490 AST_LIST_ENTRY(sla_failed_station) entry;
00491 };
00492
00493
00494 struct sla_ringing_trunk {
00495 struct sla_trunk *trunk;
00496
00497 struct timeval ring_begin;
00498 AST_LIST_HEAD_NOLOCK(, sla_station_ref) timed_out_stations;
00499 AST_LIST_ENTRY(sla_ringing_trunk) entry;
00500 };
00501
00502 enum sla_station_hangup {
00503 SLA_STATION_HANGUP_NORMAL,
00504 SLA_STATION_HANGUP_TIMEOUT,
00505 };
00506
00507
00508 struct sla_ringing_station {
00509 struct sla_station *station;
00510
00511 struct timeval ring_begin;
00512 AST_LIST_ENTRY(sla_ringing_station) entry;
00513 };
00514
00515
00516
00517
00518 static struct {
00519
00520 pthread_t thread;
00521 ast_cond_t cond;
00522 ast_mutex_t lock;
00523 AST_LIST_HEAD_NOLOCK(, sla_ringing_trunk) ringing_trunks;
00524 AST_LIST_HEAD_NOLOCK(, sla_ringing_station) ringing_stations;
00525 AST_LIST_HEAD_NOLOCK(, sla_failed_station) failed_stations;
00526 AST_LIST_HEAD_NOLOCK(, sla_event) event_q;
00527 unsigned int stop:1;
00528
00529
00530 unsigned int attempt_callerid:1;
00531 } sla = {
00532 .thread = AST_PTHREADT_NULL,
00533 };
00534
00535
00536
00537 static int audio_buffers;
00538
00539
00540
00541
00542
00543
00544
00545 static char const gain_map[] = {
00546 -15,
00547 -13,
00548 -10,
00549 -6,
00550 0,
00551 0,
00552 0,
00553 6,
00554 10,
00555 13,
00556 15,
00557 };
00558
00559
00560 static int admin_exec(struct ast_channel *chan, void *data);
00561 static void *recordthread(void *args);
00562
00563 static char *istalking(int x)
00564 {
00565 if (x > 0)
00566 return "(talking)";
00567 else if (x < 0)
00568 return "(unmonitored)";
00569 else
00570 return "(not talking)";
00571 }
00572
00573 static int careful_write(int fd, unsigned char *data, int len, int block)
00574 {
00575 int res;
00576 int x;
00577
00578 while (len) {
00579 if (block) {
00580 x = ZT_IOMUX_WRITE | ZT_IOMUX_SIGEVENT;
00581 res = ioctl(fd, ZT_IOMUX, &x);
00582 } else
00583 res = 0;
00584 if (res >= 0)
00585 res = write(fd, data, len);
00586 if (res < 1) {
00587 if (errno != EAGAIN) {
00588 ast_log(LOG_WARNING, "Failed to write audio data to conference: %s\n", strerror(errno));
00589 return -1;
00590 } else
00591 return 0;
00592 }
00593 len -= res;
00594 data += res;
00595 }
00596
00597 return 0;
00598 }
00599
00600 static int set_talk_volume(struct ast_conf_user *user, int volume)
00601 {
00602 char gain_adjust;
00603
00604
00605
00606
00607 gain_adjust = gain_map[volume + 5];
00608
00609 return ast_channel_setoption(user->chan, AST_OPTION_RXGAIN, &gain_adjust, sizeof(gain_adjust), 0);
00610 }
00611
00612 static int set_listen_volume(struct ast_conf_user *user, int volume)
00613 {
00614 char gain_adjust;
00615
00616
00617
00618
00619 gain_adjust = gain_map[volume + 5];
00620
00621 return ast_channel_setoption(user->chan, AST_OPTION_TXGAIN, &gain_adjust, sizeof(gain_adjust), 0);
00622 }
00623
00624 static void tweak_volume(struct volume *vol, enum volume_action action)
00625 {
00626 switch (action) {
00627 case VOL_UP:
00628 switch (vol->desired) {
00629 case 5:
00630 break;
00631 case 0:
00632 vol->desired = 2;
00633 break;
00634 case -2:
00635 vol->desired = 0;
00636 break;
00637 default:
00638 vol->desired++;
00639 break;
00640 }
00641 break;
00642 case VOL_DOWN:
00643 switch (vol->desired) {
00644 case -5:
00645 break;
00646 case 2:
00647 vol->desired = 0;
00648 break;
00649 case 0:
00650 vol->desired = -2;
00651 break;
00652 default:
00653 vol->desired--;
00654 break;
00655 }
00656 }
00657 }
00658
00659 static void tweak_talk_volume(struct ast_conf_user *user, enum volume_action action)
00660 {
00661 tweak_volume(&user->talk, action);
00662
00663
00664
00665 if (!set_talk_volume(user, user->talk.desired))
00666 user->talk.actual = 0;
00667 else
00668 user->talk.actual = user->talk.desired;
00669 }
00670
00671 static void tweak_listen_volume(struct ast_conf_user *user, enum volume_action action)
00672 {
00673 tweak_volume(&user->listen, action);
00674
00675
00676
00677 if (!set_listen_volume(user, user->listen.desired))
00678 user->listen.actual = 0;
00679 else
00680 user->listen.actual = user->listen.desired;
00681 }
00682
00683 static void reset_volumes(struct ast_conf_user *user)
00684 {
00685 signed char zero_volume = 0;
00686
00687 ast_channel_setoption(user->chan, AST_OPTION_TXGAIN, &zero_volume, sizeof(zero_volume), 0);
00688 ast_channel_setoption(user->chan, AST_OPTION_RXGAIN, &zero_volume, sizeof(zero_volume), 0);
00689 }
00690
00691 static void conf_play(struct ast_channel *chan, struct ast_conference *conf, enum entrance_sound sound)
00692 {
00693 unsigned char *data;
00694 int len;
00695 int res = -1;
00696
00697 if (!chan->_softhangup)
00698 res = ast_autoservice_start(chan);
00699
00700 AST_LIST_LOCK(&confs);
00701
00702 switch(sound) {
00703 case ENTER:
00704 data = enter;
00705 len = sizeof(enter);
00706 break;
00707 case LEAVE:
00708 data = leave;
00709 len = sizeof(leave);
00710 break;
00711 default:
00712 data = NULL;
00713 len = 0;
00714 }
00715 if (data) {
00716 careful_write(conf->fd, data, len, 1);
00717 }
00718
00719 AST_LIST_UNLOCK(&confs);
00720
00721 if (!res)
00722 ast_autoservice_stop(chan);
00723 }
00724
00725
00726
00727
00728
00729
00730
00731
00732
00733
00734
00735
00736
00737
00738 static struct ast_conference *build_conf(char *confno, char *pin, char *pinadmin, int make, int dynamic, int refcount)
00739 {
00740 struct ast_conference *cnf;
00741 struct zt_confinfo ztc = { 0, };
00742 int confno_int = 0;
00743
00744 AST_LIST_LOCK(&confs);
00745
00746 AST_LIST_TRAVERSE(&confs, cnf, list) {
00747 if (!strcmp(confno, cnf->confno))
00748 break;
00749 }
00750
00751 if (cnf || (!make && !dynamic))
00752 goto cnfout;
00753
00754
00755 if (!(cnf = ast_calloc(1, sizeof(*cnf))))
00756 goto cnfout;
00757
00758 ast_mutex_init(&cnf->playlock);
00759 ast_mutex_init(&cnf->listenlock);
00760 ast_copy_string(cnf->confno, confno, sizeof(cnf->confno));
00761 ast_copy_string(cnf->pin, pin, sizeof(cnf->pin));
00762 ast_copy_string(cnf->pinadmin, pinadmin, sizeof(cnf->pinadmin));
00763
00764
00765 ztc.confno = -1;
00766 ztc.confmode = ZT_CONF_CONFANN | ZT_CONF_CONFANNMON;
00767 cnf->fd = open("/dev/zap/pseudo", O_RDWR);
00768 if (cnf->fd < 0 || ioctl(cnf->fd, ZT_SETCONF, &ztc)) {
00769 ast_log(LOG_WARNING, "Unable to open pseudo device\n");
00770 if (cnf->fd >= 0)
00771 close(cnf->fd);
00772 free(cnf);
00773 cnf = NULL;
00774 goto cnfout;
00775 }
00776
00777 cnf->zapconf = ztc.confno;
00778
00779
00780 cnf->chan = ast_request("zap", AST_FORMAT_SLINEAR, "pseudo", NULL);
00781 if (cnf->chan) {
00782 ast_set_read_format(cnf->chan, AST_FORMAT_SLINEAR);
00783 ast_set_write_format(cnf->chan, AST_FORMAT_SLINEAR);
00784 ztc.chan = 0;
00785 ztc.confno = cnf->zapconf;
00786 ztc.confmode = ZT_CONF_CONFANN | ZT_CONF_CONFANNMON;
00787 if (ioctl(cnf->chan->fds[0], ZT_SETCONF, &ztc)) {
00788 ast_log(LOG_WARNING, "Error setting conference\n");
00789 if (cnf->chan)
00790 ast_hangup(cnf->chan);
00791 else
00792 close(cnf->fd);
00793 free(cnf);
00794 cnf = NULL;
00795 goto cnfout;
00796 }
00797 }
00798
00799
00800 cnf->start = time(NULL);
00801 cnf->isdynamic = dynamic ? 1 : 0;
00802 if (option_verbose > 2)
00803 ast_verbose(VERBOSE_PREFIX_3 "Created MeetMe conference %d for conference '%s'\n", cnf->zapconf, cnf->confno);
00804 AST_LIST_INSERT_HEAD(&confs, cnf, list);
00805
00806
00807 if ((sscanf(cnf->confno, "%d", &confno_int) == 1) && (confno_int >= 0 && confno_int < 1024))
00808 conf_map[confno_int] = 1;
00809
00810 cnfout:
00811 if (cnf)
00812 ast_atomic_fetchadd_int(&cnf->refcount, refcount);
00813
00814 AST_LIST_UNLOCK(&confs);
00815
00816 return cnf;
00817 }
00818
00819 static int meetme_cmd(int fd, int argc, char **argv)
00820 {
00821
00822 struct ast_conference *cnf;
00823 struct ast_conf_user *user;
00824 int hr, min, sec;
00825 int i = 0, total = 0;
00826 time_t now;
00827 char *header_format = "%-14s %-14s %-10s %-8s %-8s\n";
00828 char *data_format = "%-12.12s %4.4d %4.4s %02d:%02d:%02d %-8s\n";
00829 char cmdline[1024] = "";
00830
00831 if (argc > 8)
00832 ast_cli(fd, "Invalid Arguments.\n");
00833
00834 for (i = 0; i < argc; i++) {
00835 if (strlen(argv[i]) > 100)
00836 ast_cli(fd, "Invalid Arguments.\n");
00837 }
00838 if (argc == 1) {
00839
00840 now = time(NULL);
00841 AST_LIST_LOCK(&confs);
00842 if (AST_LIST_EMPTY(&confs)) {
00843 ast_cli(fd, "No active MeetMe conferences.\n");
00844 AST_LIST_UNLOCK(&confs);
00845 return RESULT_SUCCESS;
00846 }
00847 ast_cli(fd, header_format, "Conf Num", "Parties", "Marked", "Activity", "Creation");
00848 AST_LIST_TRAVERSE(&confs, cnf, list) {
00849 if (cnf->markedusers == 0)
00850 strcpy(cmdline, "N/A ");
00851 else
00852 snprintf(cmdline, sizeof(cmdline), "%4.4d", cnf->markedusers);
00853 hr = (now - cnf->start) / 3600;
00854 min = ((now - cnf->start) % 3600) / 60;
00855 sec = (now - cnf->start) % 60;
00856
00857 ast_cli(fd, data_format, cnf->confno, cnf->users, cmdline, hr, min, sec, cnf->isdynamic ? "Dynamic" : "Static");
00858
00859 total += cnf->users;
00860 }
00861 AST_LIST_UNLOCK(&confs);
00862 ast_cli(fd, "* Total number of MeetMe users: %d\n", total);
00863 return RESULT_SUCCESS;
00864 }
00865 if (argc < 3)
00866 return RESULT_SHOWUSAGE;
00867 ast_copy_string(cmdline, argv[2], sizeof(cmdline));
00868 if (strstr(argv[1], "lock")) {
00869 if (strcmp(argv[1], "lock") == 0) {
00870
00871 strncat(cmdline, "|L", sizeof(cmdline) - strlen(cmdline) - 1);
00872 } else {
00873
00874 strncat(cmdline, "|l", sizeof(cmdline) - strlen(cmdline) - 1);
00875 }
00876 } else if (strstr(argv[1], "mute")) {
00877 if (argc < 4)
00878 return RESULT_SHOWUSAGE;
00879 if (strcmp(argv[1], "mute") == 0) {
00880
00881 if (strcmp(argv[3], "all") == 0) {
00882 strncat(cmdline, "|N", sizeof(cmdline) - strlen(cmdline) - 1);
00883 } else {
00884 strncat(cmdline, "|M|", sizeof(cmdline) - strlen(cmdline) - 1);
00885 strncat(cmdline, argv[3], sizeof(cmdline) - strlen(cmdline) - 1);
00886 }
00887 } else {
00888
00889 if (strcmp(argv[3], "all") == 0) {
00890 strncat(cmdline, "|n", sizeof(cmdline) - strlen(cmdline) - 1);
00891 } else {
00892 strncat(cmdline, "|m|", sizeof(cmdline) - strlen(cmdline) - 1);
00893 strncat(cmdline, argv[3], sizeof(cmdline) - strlen(cmdline) - 1);
00894 }
00895 }
00896 } else if (strcmp(argv[1], "kick") == 0) {
00897 if (argc < 4)
00898 return RESULT_SHOWUSAGE;
00899 if (strcmp(argv[3], "all") == 0) {
00900
00901 strncat(cmdline, "|K", sizeof(cmdline) - strlen(cmdline) - 1);
00902 } else {
00903
00904 strncat(cmdline, "|k|", sizeof(cmdline) - strlen(cmdline) - 1);
00905 strncat(cmdline, argv[3], sizeof(cmdline) - strlen(cmdline) - 1);
00906 }
00907 } else if(strcmp(argv[1], "list") == 0) {
00908 int concise = ( 4 == argc && ( !strcasecmp(argv[3], "concise") ) );
00909
00910 if (AST_LIST_EMPTY(&confs)) {
00911 if ( !concise )
00912 ast_cli(fd, "No active conferences.\n");
00913 return RESULT_SUCCESS;
00914 }
00915
00916 AST_LIST_LOCK(&confs);
00917 AST_LIST_TRAVERSE(&confs, cnf, list) {
00918 if (strcmp(cnf->confno, argv[2]) == 0)
00919 break;
00920 }
00921 if (!cnf) {
00922 if ( !concise )
00923 ast_cli(fd, "No such conference: %s.\n",argv[2]);
00924 AST_LIST_UNLOCK(&confs);
00925 return RESULT_SUCCESS;
00926 }
00927
00928 time(&now);
00929 AST_LIST_TRAVERSE(&cnf->userlist, user, list) {
00930 hr = (now - user->jointime) / 3600;
00931 min = ((now - user->jointime) % 3600) / 60;
00932 sec = (now - user->jointime) % 60;
00933 if ( !concise )
00934 ast_cli(fd, "User #: %-2.2d %12.12s %-20.20s Channel: %s %s %s %s %s %02d:%02d:%02d\n",
00935 user->user_no,
00936 S_OR(user->chan->cid.cid_num, "<unknown>"),
00937 S_OR(user->chan->cid.cid_name, "<no name>"),
00938 user->chan->name,
00939 user->userflags & CONFFLAG_ADMIN ? "(Admin)" : "",
00940 user->userflags & CONFFLAG_MONITOR ? "(Listen only)" : "",
00941 user->adminflags & ADMINFLAG_MUTED ? "(Admin Muted)" : user->adminflags & ADMINFLAG_SELFMUTED ? "(Muted)" : "",
00942 istalking(user->talking), hr, min, sec);
00943 else
00944 ast_cli(fd, "%d!%s!%s!%s!%s!%s!%s!%d!%02d:%02d:%02d\n",
00945 user->user_no,
00946 S_OR(user->chan->cid.cid_num, ""),
00947 S_OR(user->chan->cid.cid_name, ""),
00948 user->chan->name,
00949 user->userflags & CONFFLAG_ADMIN ? "1" : "",
00950 user->userflags & CONFFLAG_MONITOR ? "1" : "",
00951 user->adminflags & (ADMINFLAG_MUTED | ADMINFLAG_SELFMUTED) ? "1" : "",
00952 user->talking, hr, min, sec);
00953
00954 }
00955 if ( !concise )
00956 ast_cli(fd,"%d users in that conference.\n",cnf->users);
00957 AST_LIST_UNLOCK(&confs);
00958 return RESULT_SUCCESS;
00959 } else
00960 return RESULT_SHOWUSAGE;
00961 ast_log(LOG_DEBUG, "Cmdline: %s\n", cmdline);
00962 admin_exec(NULL, cmdline);
00963
00964 return 0;
00965 }
00966
00967 static char *complete_meetmecmd(const char *line, const char *word, int pos, int state)
00968 {
00969 static char *cmds[] = {"lock", "unlock", "mute", "unmute", "kick", "list", NULL};
00970
00971 int len = strlen(word);
00972 int which = 0;
00973 struct ast_conference *cnf = NULL;
00974 struct ast_conf_user *usr = NULL;
00975 char *confno = NULL;
00976 char usrno[50] = "";
00977 char *myline, *ret = NULL;
00978
00979 if (pos == 1) {
00980 return ast_cli_complete(word, cmds, state);
00981 } else if (pos == 2) {
00982 AST_LIST_LOCK(&confs);
00983 AST_LIST_TRAVERSE(&confs, cnf, list) {
00984 if (!strncasecmp(word, cnf->confno, len) && ++which > state) {
00985 ret = cnf->confno;
00986 break;
00987 }
00988 }
00989 ret = ast_strdup(ret);
00990 AST_LIST_UNLOCK(&confs);
00991 return ret;
00992 } else if (pos == 3) {
00993
00994 if (strstr(line, "mute") || strstr(line, "kick")) {
00995 if (state == 0 && (strstr(line, "kick") || strstr(line,"mute")) && !strncasecmp(word, "all", len))
00996 return strdup("all");
00997 which++;
00998 AST_LIST_LOCK(&confs);
00999
01000
01001 myline = ast_strdupa(line);
01002 if (strsep(&myline, " ") && strsep(&myline, " ") && !confno) {
01003 while((confno = strsep(&myline, " ")) && (strcmp(confno, " ") == 0))
01004 ;
01005 }
01006
01007 AST_LIST_TRAVERSE(&confs, cnf, list) {
01008 if (!strcmp(confno, cnf->confno))
01009 break;
01010 }
01011
01012 if (cnf) {
01013
01014 AST_LIST_TRAVERSE(&cnf->userlist, usr, list) {
01015 snprintf(usrno, sizeof(usrno), "%d", usr->user_no);
01016 if (!strncasecmp(word, usrno, len) && ++which > state)
01017 break;
01018 }
01019 }
01020 AST_LIST_UNLOCK(&confs);
01021 return usr ? strdup(usrno) : NULL;
01022 } else if ( strstr(line, "list") && ( 0 == state ) )
01023 return strdup("concise");
01024 }
01025
01026 return NULL;
01027 }
01028
01029 static char meetme_usage[] =
01030 "Usage: meetme (un)lock|(un)mute|kick|list [concise] <confno> <usernumber>\n"
01031 " Executes a command for the conference or on a conferee\n";
01032
01033 static const char *sla_hold_str(unsigned int hold_access)
01034 {
01035 const char *hold = "Unknown";
01036
01037 switch (hold_access) {
01038 case SLA_HOLD_OPEN:
01039 hold = "Open";
01040 break;
01041 case SLA_HOLD_PRIVATE:
01042 hold = "Private";
01043 default:
01044 break;
01045 }
01046
01047 return hold;
01048 }
01049
01050 static int sla_show_trunks(int fd, int argc, char **argv)
01051 {
01052 const struct sla_trunk *trunk;
01053
01054 ast_cli(fd, "\n"
01055 "=============================================================\n"
01056 "=== Configured SLA Trunks ===================================\n"
01057 "=============================================================\n"
01058 "===\n");
01059 AST_RWLIST_RDLOCK(&sla_trunks);
01060 AST_RWLIST_TRAVERSE(&sla_trunks, trunk, entry) {
01061 struct sla_station_ref *station_ref;
01062 char ring_timeout[16] = "(none)";
01063 if (trunk->ring_timeout)
01064 snprintf(ring_timeout, sizeof(ring_timeout), "%u Seconds", trunk->ring_timeout);
01065 ast_cli(fd, "=== ---------------------------------------------------------\n"
01066 "=== Trunk Name: %s\n"
01067 "=== ==> Device: %s\n"
01068 "=== ==> AutoContext: %s\n"
01069 "=== ==> RingTimeout: %s\n"
01070 "=== ==> BargeAllowed: %s\n"
01071 "=== ==> HoldAccess: %s\n"
01072 "=== ==> Stations ...\n",
01073 trunk->name, trunk->device,
01074 S_OR(trunk->autocontext, "(none)"),
01075 ring_timeout,
01076 trunk->barge_disabled ? "No" : "Yes",
01077 sla_hold_str(trunk->hold_access));
01078 AST_RWLIST_RDLOCK(&sla_stations);
01079 AST_LIST_TRAVERSE(&trunk->stations, station_ref, entry)
01080 ast_cli(fd, "=== ==> Station name: %s\n", station_ref->station->name);
01081 AST_RWLIST_UNLOCK(&sla_stations);
01082 ast_cli(fd, "=== ---------------------------------------------------------\n"
01083 "===\n");
01084 }
01085 AST_RWLIST_UNLOCK(&sla_trunks);
01086 ast_cli(fd, "=============================================================\n"
01087 "\n");
01088
01089 return RESULT_SUCCESS;
01090 }
01091
01092 static const char *trunkstate2str(enum sla_trunk_state state)
01093 {
01094 #define S(e) case e: return # e;
01095 switch (state) {
01096 S(SLA_TRUNK_STATE_IDLE)
01097 S(SLA_TRUNK_STATE_RINGING)
01098 S(SLA_TRUNK_STATE_UP)
01099 S(SLA_TRUNK_STATE_ONHOLD)
01100 S(SLA_TRUNK_STATE_ONHOLD_BYME)
01101 }
01102 return "Uknown State";
01103 #undef S
01104 }
01105
01106 static const char sla_show_trunks_usage[] =
01107 "Usage: sla show trunks\n"
01108 " This will list all trunks defined in sla.conf\n";
01109
01110 static int sla_show_stations(int fd, int argc, char **argv)
01111 {
01112 const struct sla_station *station;
01113
01114 ast_cli(fd, "\n"
01115 "=============================================================\n"
01116 "=== Configured SLA Stations =================================\n"
01117 "=============================================================\n"
01118 "===\n");
01119 AST_RWLIST_RDLOCK(&sla_stations);
01120 AST_RWLIST_TRAVERSE(&sla_stations, station, entry) {
01121 struct sla_trunk_ref *trunk_ref;
01122 char ring_timeout[16] = "(none)";
01123 char ring_delay[16] = "(none)";
01124 if (station->ring_timeout) {
01125 snprintf(ring_timeout, sizeof(ring_timeout),
01126 "%u", station->ring_timeout);
01127 }
01128 if (station->ring_delay) {
01129 snprintf(ring_delay, sizeof(ring_delay),
01130 "%u", station->ring_delay);
01131 }
01132 ast_cli(fd, "=== ---------------------------------------------------------\n"
01133 "=== Station Name: %s\n"
01134 "=== ==> Device: %s\n"
01135 "=== ==> AutoContext: %s\n"
01136 "=== ==> RingTimeout: %s\n"
01137 "=== ==> RingDelay: %s\n"
01138 "=== ==> HoldAccess: %s\n"
01139 "=== ==> Trunks ...\n",
01140 station->name, station->device,
01141 S_OR(station->autocontext, "(none)"),
01142 ring_timeout, ring_delay,
01143 sla_hold_str(station->hold_access));
01144 AST_RWLIST_RDLOCK(&sla_trunks);
01145 AST_LIST_TRAVERSE(&station->trunks, trunk_ref, entry) {
01146 if (trunk_ref->ring_timeout) {
01147 snprintf(ring_timeout, sizeof(ring_timeout),
01148 "%u", trunk_ref->ring_timeout);
01149 } else
01150 strcpy(ring_timeout, "(none)");
01151 if (trunk_ref->ring_delay) {
01152 snprintf(ring_delay, sizeof(ring_delay),
01153 "%u", trunk_ref->ring_delay);
01154 } else
01155 strcpy(ring_delay, "(none)");
01156 ast_cli(fd, "=== ==> Trunk Name: %s\n"
01157 "=== ==> State: %s\n"
01158 "=== ==> RingTimeout: %s\n"
01159 "=== ==> RingDelay: %s\n",
01160 trunk_ref->trunk->name,
01161 trunkstate2str(trunk_ref->state),
01162 ring_timeout, ring_delay);
01163 }
01164 AST_RWLIST_UNLOCK(&sla_trunks);
01165 ast_cli(fd, "=== ---------------------------------------------------------\n"
01166 "===\n");
01167 }
01168 AST_RWLIST_UNLOCK(&sla_stations);
01169 ast_cli(fd, "============================================================\n"
01170 "\n");
01171
01172 return RESULT_SUCCESS;
01173 }
01174
01175 static const char sla_show_stations_usage[] =
01176 "Usage: sla show stations\n"
01177 " This will list all stations defined in sla.conf\n";
01178
01179 static struct ast_cli_entry cli_meetme[] = {
01180 { { "meetme", NULL, NULL },
01181 meetme_cmd, "Execute a command on a conference or conferee",
01182 meetme_usage, complete_meetmecmd },
01183
01184 { { "sla", "show", "trunks", NULL },
01185 sla_show_trunks, "Show SLA Trunks",
01186 sla_show_trunks_usage, NULL },
01187
01188 { { "sla", "show", "stations", NULL },
01189 sla_show_stations, "Show SLA Stations",
01190 sla_show_stations_usage, NULL },
01191 };
01192
01193 static void conf_flush(int fd, struct ast_channel *chan)
01194 {
01195 int x;
01196
01197
01198
01199
01200 if (chan) {
01201 struct ast_frame *f;
01202
01203
01204
01205
01206 while (ast_waitfor(chan, 1)) {
01207 f = ast_read(chan);
01208 if (f)
01209 ast_frfree(f);
01210 else
01211 break;
01212 }
01213 }
01214
01215
01216 x = ZT_FLUSH_ALL;
01217 if (ioctl(fd, ZT_FLUSH, &x))
01218 ast_log(LOG_WARNING, "Error flushing channel\n");
01219
01220 }
01221
01222
01223
01224 static int conf_free(struct ast_conference *conf)
01225 {
01226 int x;
01227
01228 AST_LIST_REMOVE(&confs, conf, list);
01229
01230 if (conf->recording == MEETME_RECORD_ACTIVE) {
01231 conf->recording = MEETME_RECORD_TERMINATE;
01232 AST_LIST_UNLOCK(&confs);
01233 while (1) {
01234 usleep(1);
01235 AST_LIST_LOCK(&confs);
01236 if (conf->recording == MEETME_RECORD_OFF)
01237 break;
01238 AST_LIST_UNLOCK(&confs);
01239 }
01240 }
01241
01242 for (x=0;x<AST_FRAME_BITS;x++) {
01243 if (conf->transframe[x])
01244 ast_frfree(conf->transframe[x]);
01245 if (conf->transpath[x])
01246 ast_translator_free_path(conf->transpath[x]);
01247 }
01248 if (conf->origframe)
01249 ast_frfree(conf->origframe);
01250 if (conf->lchan)
01251 ast_hangup(conf->lchan);
01252 if (conf->chan)
01253 ast_hangup(conf->chan);
01254 else
01255 close(conf->fd);
01256
01257 free(conf);
01258
01259 return 0;
01260 }
01261
01262 static void conf_queue_dtmf(const struct ast_conference *conf,
01263 const struct ast_conf_user *sender, struct ast_frame *f)
01264 {
01265 struct ast_conf_user *user;
01266
01267 AST_LIST_TRAVERSE(&conf->userlist, user, list) {
01268 if (user == sender)
01269 continue;
01270 if (ast_write(user->chan, f) < 0)
01271 ast_log(LOG_WARNING, "Error writing frame to channel %s\n", user->chan->name);
01272 }
01273 }
01274
01275 static void sla_queue_event_full(enum sla_event_type type,
01276 struct sla_trunk_ref *trunk_ref, struct sla_station *station, int lock)
01277 {
01278 struct sla_event *event;
01279
01280 if (!(event = ast_calloc(1, sizeof(*event))))
01281 return;
01282
01283 event->type = type;
01284 event->trunk_ref = trunk_ref;
01285 event->station = station;
01286
01287 if (!lock) {
01288 AST_LIST_INSERT_TAIL(&sla.event_q, event, entry);
01289 return;
01290 }
01291
01292 ast_mutex_lock(&sla.lock);
01293 AST_LIST_INSERT_TAIL(&sla.event_q, event, entry);
01294 ast_cond_signal(&sla.cond);
01295 ast_mutex_unlock(&sla.lock);
01296 }
01297
01298 static void sla_queue_event_nolock(enum sla_event_type type)
01299 {
01300 sla_queue_event_full(type, NULL, NULL, 0);
01301 }
01302
01303 static void sla_queue_event(enum sla_event_type type)
01304 {
01305 sla_queue_event_full(type, NULL, NULL, 1);
01306 }
01307
01308
01309 static void sla_queue_event_conf(enum sla_event_type type, struct ast_channel *chan,
01310 struct ast_conference *conf)
01311 {
01312 struct sla_station *station;
01313 struct sla_trunk_ref *trunk_ref = NULL;
01314 char *trunk_name;
01315
01316 trunk_name = ast_strdupa(conf->confno);
01317 strsep(&trunk_name, "_");
01318 if (ast_strlen_zero(trunk_name)) {
01319 ast_log(LOG_ERROR, "Invalid conference name for SLA - '%s'!\n", conf->confno);
01320 return;
01321 }
01322
01323 AST_RWLIST_RDLOCK(&sla_stations);
01324 AST_RWLIST_TRAVERSE(&sla_stations, station, entry) {
01325 AST_LIST_TRAVERSE(&station->trunks, trunk_ref, entry) {
01326 if (trunk_ref->chan == chan && !strcmp(trunk_ref->trunk->name, trunk_name))
01327 break;
01328 }
01329 if (trunk_ref)
01330 break;
01331 }
01332 AST_RWLIST_UNLOCK(&sla_stations);
01333
01334 if (!trunk_ref) {
01335 ast_log(LOG_DEBUG, "Trunk not found for event!\n");
01336 return;
01337 }
01338
01339 sla_queue_event_full(type, trunk_ref, station, 1);
01340 }
01341
01342
01343 static int dispose_conf(struct ast_conference *conf)
01344 {
01345 int res = 0;
01346 int confno_int = 0;
01347
01348 AST_LIST_LOCK(&confs);
01349 if (ast_atomic_dec_and_test(&conf->refcount)) {
01350
01351 if ((sscanf(conf->confno, "%d", &confno_int) == 1) && (confno_int >= 0 && confno_int < 1024))
01352 conf_map[confno_int] = 0;
01353 conf_free(conf);
01354 res = 1;
01355 }
01356 AST_LIST_UNLOCK(&confs);
01357
01358 return res;
01359 }
01360
01361
01362 static int conf_run(struct ast_channel *chan, struct ast_conference *conf, int confflags, char *optargs[])
01363 {
01364 struct ast_conf_user *user = NULL;
01365 struct ast_conf_user *usr = NULL;
01366 int fd;
01367 struct zt_confinfo ztc, ztc_empty;
01368 struct ast_frame *f;
01369 struct ast_channel *c;
01370 struct ast_frame fr;
01371 int outfd;
01372 int ms;
01373 int nfds;
01374 int res;
01375 int flags;
01376 int retryzap;
01377 int origfd;
01378 int musiconhold = 0;
01379 int firstpass = 0;
01380 int lastmarked = 0;
01381 int currentmarked = 0;
01382 int ret = -1;
01383 int x;
01384 int menu_active = 0;
01385 int using_pseudo = 0;
01386 int duration=20;
01387 int hr, min, sec;
01388 int sent_event = 0;
01389 time_t now;
01390 struct ast_dsp *dsp=NULL;
01391 struct ast_app *app;
01392 const char *agifile;
01393 const char *agifiledefault = "conf-background.agi";
01394 char meetmesecs[30] = "";
01395 char exitcontext[AST_MAX_CONTEXT] = "";
01396 char recordingtmp[AST_MAX_EXTENSION] = "";
01397 char members[10] = "";
01398 int dtmf, opt_waitmarked_timeout = 0;
01399 time_t timeout = 0;
01400 ZT_BUFFERINFO bi;
01401 char __buf[CONF_SIZE + AST_FRIENDLY_OFFSET];
01402 char *buf = __buf + AST_FRIENDLY_OFFSET;
01403
01404 if (!(user = ast_calloc(1, sizeof(*user))))
01405 return ret;
01406
01407
01408 if ((confflags & CONFFLAG_WAITMARKED) &&
01409 !ast_strlen_zero(optargs[OPT_ARG_WAITMARKED]) &&
01410 (sscanf(optargs[OPT_ARG_WAITMARKED], "%d", &opt_waitmarked_timeout) == 1) &&
01411 (opt_waitmarked_timeout > 0)) {
01412 timeout = time(NULL) + opt_waitmarked_timeout;
01413 }
01414
01415 if (confflags & CONFFLAG_RECORDCONF) {
01416 if (!conf->recordingfilename) {
01417 conf->recordingfilename = pbx_builtin_getvar_helper(chan, "MEETME_RECORDINGFILE");
01418 if (!conf->recordingfilename) {
01419 snprintf(recordingtmp, sizeof(recordingtmp), "meetme-conf-rec-%s-%s", conf->confno, chan->uniqueid);
01420 conf->recordingfilename = ast_strdupa(recordingtmp);
01421 }
01422 conf->recordingformat = pbx_builtin_getvar_helper(chan, "MEETME_RECORDINGFORMAT");
01423 if (!conf->recordingformat) {
01424 snprintf(recordingtmp, sizeof(recordingtmp), "wav");
01425 conf->recordingformat = ast_strdupa(recordingtmp);
01426 }
01427 ast_verbose(VERBOSE_PREFIX_4 "Starting recording of MeetMe Conference %s into file %s.%s.\n",
01428 conf->confno, conf->recordingfilename, conf->recordingformat);
01429 }
01430 }
01431
01432 if ((conf->recording == MEETME_RECORD_OFF) && (confflags & CONFFLAG_RECORDCONF) && ((conf->lchan = ast_request("zap", AST_FORMAT_SLINEAR, "pseudo", NULL)))) {
01433 ast_set_read_format(conf->lchan, AST_FORMAT_SLINEAR);
01434 ast_set_write_format(conf->lchan, AST_FORMAT_SLINEAR);
01435 ztc.chan = 0;
01436 ztc.confno = conf->zapconf;
01437 ztc.confmode = ZT_CONF_CONFANN | ZT_CONF_CONFANNMON;
01438 if (ioctl(conf->lchan->fds[0], ZT_SETCONF, &ztc)) {
01439 ast_log(LOG_WARNING, "Error starting listen channel\n");
01440 ast_hangup(conf->lchan);
01441 conf->lchan = NULL;
01442 } else {
01443 pthread_attr_init(&conf->attr);
01444 pthread_attr_setdetachstate(&conf->attr, PTHREAD_CREATE_DETACHED);
01445 ast_pthread_create_background(&conf->recordthread, &conf->attr, recordthread, conf);
01446 pthread_attr_destroy(&conf->attr);
01447 }
01448 }
01449
01450 time(&user->jointime);
01451
01452 if (conf->locked && (!(confflags & CONFFLAG_ADMIN))) {
01453
01454 if (!ast_streamfile(chan, "conf-locked", chan->language))
01455 ast_waitstream(chan, "");
01456 goto outrun;
01457 }
01458
01459 if (confflags & CONFFLAG_MARKEDUSER)
01460 conf->markedusers++;
01461
01462 ast_mutex_lock(&conf->playlock);
01463
01464 if (AST_LIST_EMPTY(&conf->userlist))
01465 user->user_no = 1;
01466 else
01467 user->user_no = AST_LIST_LAST(&conf->userlist)->user_no + 1;
01468
01469 AST_LIST_INSERT_TAIL(&conf->userlist, user, list);
01470
01471 user->chan = chan;
01472 user->userflags = confflags;
01473 user->adminflags = (confflags & CONFFLAG_STARTMUTED) ? ADMINFLAG_SELFMUTED : 0;
01474 user->talking = -1;
01475 conf->users++;
01476
01477 snprintf(members, sizeof(members), "%d", conf->users);
01478 ast_update_realtime("meetme", "confno", conf->confno, "members", members , NULL);
01479
01480
01481 if (conf->users == 1)
01482 ast_device_state_changed("meetme:%s", conf->confno);
01483
01484 ast_mutex_unlock(&conf->playlock);
01485
01486 if (confflags & CONFFLAG_EXIT_CONTEXT) {
01487 if ((agifile = pbx_builtin_getvar_helper(chan, "MEETME_EXIT_CONTEXT")))
01488 ast_copy_string(exitcontext, agifile, sizeof(exitcontext));
01489 else if (!ast_strlen_zero(chan->macrocontext))
01490 ast_copy_string(exitcontext, chan->macrocontext, sizeof(exitcontext));
01491 else
01492 ast_copy_string(exitcontext, chan->context, sizeof(exitcontext));
01493 }
01494
01495 if (!(confflags & CONFFLAG_QUIET) && ((confflags & CONFFLAG_INTROUSER) || (confflags & CONFFLAG_INTROUSERNOREVIEW))) {
01496 snprintf(user->namerecloc, sizeof(user->namerecloc),
01497 "%s/meetme/meetme-username-%s-%d", ast_config_AST_SPOOL_DIR,
01498 conf->confno, user->user_no);
01499 if (confflags & CONFFLAG_INTROUSERNOREVIEW)
01500 res = ast_play_and_record(chan, "vm-rec-name", user->namerecloc, 10, "sln", &duration, 128, 0, NULL);
01501 else
01502 res = ast_record_review(chan, "vm-rec-name", user->namerecloc, 10, "sln", &duration, NULL);
01503 if (res == -1)
01504 goto outrun;
01505 }
01506
01507 if ( !(confflags & (CONFFLAG_QUIET | CONFFLAG_NOONLYPERSON)) ) {
01508 if (conf->users == 1 && !(confflags & CONFFLAG_WAITMARKED))
01509 if (!ast_streamfile(chan, "conf-onlyperson", chan->language))
01510 ast_waitstream(chan, "");
01511 if ((confflags & CONFFLAG_WAITMARKED) && conf->markedusers == 0)
01512 if (!ast_streamfile(chan, "conf-waitforleader", chan->language))
01513 ast_waitstream(chan, "");
01514 }
01515
01516 if (!(confflags & CONFFLAG_QUIET) && (confflags & CONFFLAG_ANNOUNCEUSERCOUNT) && conf->users > 1) {
01517 int keepplaying = 1;
01518
01519 if (conf->users == 2) {
01520 if (!ast_streamfile(chan,"conf-onlyone",chan->language)) {
01521 res = ast_waitstream(chan, AST_DIGIT_ANY);
01522 ast_stopstream(chan);
01523 if (res > 0)
01524 keepplaying=0;
01525 else if (res == -1)
01526 goto outrun;
01527 }
01528 } else {
01529 if (!ast_streamfile(chan, "conf-thereare", chan->language)) {
01530 res = ast_waitstream(chan, AST_DIGIT_ANY);
01531 ast_stopstream(chan);
01532 if (res > 0)
01533 keepplaying=0;
01534 else if (res == -1)
01535 goto outrun;
01536 }
01537 if (keepplaying) {
01538 res = ast_say_number(chan, conf->users - 1, AST_DIGIT_ANY, chan->language, (char *) NULL);
01539 if (res > 0)
01540 keepplaying=0;
01541 else if (res == -1)
01542 goto outrun;
01543 }
01544 if (keepplaying && !ast_streamfile(chan, "conf-otherinparty", chan->language)) {
01545 res = ast_waitstream(chan, AST_DIGIT_ANY);
01546 ast_stopstream(chan);
01547 if (res > 0)
01548 keepplaying=0;
01549 else if (res == -1)
01550 goto outrun;
01551 }
01552 }
01553 }
01554
01555 ast_indicate(chan, -1);
01556
01557 if (ast_set_write_format(chan, AST_FORMAT_SLINEAR) < 0) {
01558 ast_log(LOG_WARNING, "Unable to set '%s' to write linear mode\n", chan->name);
01559 goto outrun;
01560 }
01561
01562 if (ast_set_read_format(chan, AST_FORMAT_SLINEAR) < 0) {
01563 ast_log(LOG_WARNING, "Unable to set '%s' to read linear mode\n", chan->name);
01564 goto outrun;
01565 }
01566
01567 retryzap = strcasecmp(chan->tech->type, "Zap");
01568 user->zapchannel = !retryzap;
01569
01570 zapretry:
01571 origfd = chan->fds[0];
01572 if (retryzap) {
01573 fd = open("/dev/zap/pseudo", O_RDWR);
01574 if (fd < 0) {
01575 ast_log(LOG_WARNING, "Unable to open pseudo channel: %s\n", strerror(errno));
01576 goto outrun;
01577 }
01578 using_pseudo = 1;
01579
01580 flags = fcntl(fd, F_GETFL);
01581 if (flags < 0) {
01582 ast_log(LOG_WARNING, "Unable to get flags: %s\n", strerror(errno));
01583 close(fd);
01584 goto outrun;
01585 }
01586 if (fcntl(fd, F_SETFL, flags | O_NONBLOCK)) {
01587 ast_log(LOG_WARNING, "Unable to set flags: %s\n", strerror(errno));
01588 close(fd);
01589 goto outrun;
01590 }
01591
01592 memset(&bi, 0, sizeof(bi));
01593 bi.bufsize = CONF_SIZE/2;
01594 bi.txbufpolicy = ZT_POLICY_IMMEDIATE;
01595 bi.rxbufpolicy = ZT_POLICY_IMMEDIATE;
01596 bi.numbufs = audio_buffers;
01597 if (ioctl(fd, ZT_SET_BUFINFO, &bi)) {
01598 ast_log(LOG_WARNING, "Unable to set buffering information: %s\n", strerror(errno));
01599 close(fd);
01600 goto outrun;
01601 }
01602 x = 1;
01603 if (ioctl(fd, ZT_SETLINEAR, &x)) {
01604 ast_log(LOG_WARNING, "Unable to set linear mode: %s\n", strerror(errno));
01605 close(fd);
01606 goto outrun;
01607 }
01608 nfds = 1;
01609 } else {
01610
01611 fd = chan->fds[0];
01612 nfds = 0;
01613 }
01614 memset(&ztc, 0, sizeof(ztc));
01615 memset(&ztc_empty, 0, sizeof(ztc_empty));
01616
01617 ztc.chan = 0;
01618 if (ioctl(fd, ZT_GETCONF, &ztc)) {
01619 ast_log(LOG_WARNING, "Error getting conference\n");
01620 close(fd);
01621 goto outrun;
01622 }
01623 if (ztc.confmode) {
01624
01625 if (!retryzap) {
01626 ast_log(LOG_DEBUG, "Zap channel is in a conference already, retrying with pseudo\n");
01627 retryzap = 1;
01628 goto zapretry;
01629 }
01630 }
01631 memset(&ztc, 0, sizeof(ztc));
01632
01633 ztc.chan = 0;
01634 ztc.confno = conf->zapconf;
01635
01636 ast_mutex_lock(&conf->playlock);
01637
01638 if (!(confflags & CONFFLAG_QUIET) && ((confflags & CONFFLAG_INTROUSER) || (confflags & CONFFLAG_INTROUSERNOREVIEW)) && conf->users > 1) {
01639 if (conf->chan && ast_fileexists(user->namerecloc, NULL, NULL)) {
01640 if (!ast_streamfile(conf->chan, user->namerecloc, chan->language))
01641 ast_waitstream(conf->chan, "");
01642 if (!ast_streamfile(conf->chan, "conf-hasjoin", chan->language))
01643 ast_waitstream(conf->chan, "");
01644 }
01645 }
01646
01647 if (confflags & CONFFLAG_MONITOR)
01648 ztc.confmode = ZT_CONF_CONFMON | ZT_CONF_LISTENER;
01649 else if (confflags & CONFFLAG_TALKER)
01650 ztc.confmode = ZT_CONF_CONF | ZT_CONF_TALKER;
01651 else
01652 ztc.confmode = ZT_CONF_CONF | ZT_CONF_TALKER | ZT_CONF_LISTENER;
01653
01654 if (ioctl(fd, ZT_SETCONF, &ztc)) {
01655 ast_log(LOG_WARNING, "Error setting conference\n");
01656 close(fd);
01657 ast_mutex_unlock(&conf->playlock);
01658 goto outrun;
01659 }
01660 ast_log(LOG_DEBUG, "Placed channel %s in ZAP conf %d\n", chan->name, conf->zapconf);
01661
01662 if (!sent_event) {
01663 manager_event(EVENT_FLAG_CALL, "MeetmeJoin",
01664 "Channel: %s\r\n"
01665 "Uniqueid: %s\r\n"
01666 "Meetme: %s\r\n"
01667 "Usernum: %d\r\n",
01668 chan->name, chan->uniqueid, conf->confno, user->user_no);
01669 sent_event = 1;
01670 }
01671
01672 if (!firstpass && !(confflags & CONFFLAG_MONITOR) && !(confflags & CONFFLAG_ADMIN)) {
01673 firstpass = 1;
01674 if (!(confflags & CONFFLAG_QUIET))
01675 if (!(confflags & CONFFLAG_WAITMARKED) || ((confflags & CONFFLAG_MARKEDUSER) && (conf->markedusers >= 1)))
01676 conf_play(chan, conf, ENTER);
01677 }
01678
01679 ast_mutex_unlock(&conf->playlock);
01680
01681 conf_flush(fd, chan);
01682
01683 if (confflags & CONFFLAG_AGI) {
01684
01685
01686
01687 agifile = pbx_builtin_getvar_helper(chan, "MEETME_AGI_BACKGROUND");
01688 if (!agifile)
01689 agifile = agifiledefault;
01690
01691 if (user->zapchannel) {
01692
01693 x = 1;
01694 ast_channel_setoption(chan, AST_OPTION_TONE_VERIFY, &x, sizeof(char), 0);
01695 }
01696
01697 app = pbx_findapp("agi");
01698 if (app) {
01699 char *s = ast_strdupa(agifile);
01700 ret = pbx_exec(chan, app, s);
01701 } else {
01702 ast_log(LOG_WARNING, "Could not find application (agi)\n");
01703 ret = -2;
01704 }
01705 if (user->zapchannel) {
01706
01707 x = 0;
01708 ast_channel_setoption(chan, AST_OPTION_TONE_VERIFY, &x, sizeof(char), 0);
01709 }
01710 } else {
01711 if (user->zapchannel && (confflags & CONFFLAG_STARMENU)) {
01712
01713 x = 1;
01714 ast_channel_setoption(chan, AST_OPTION_TONE_VERIFY, &x, sizeof(char), 0);
01715 }
01716 if (confflags & (CONFFLAG_MONITORTALKER | CONFFLAG_OPTIMIZETALKER) && !(dsp = ast_dsp_new())) {
01717 ast_log(LOG_WARNING, "Unable to allocate DSP!\n");
01718 res = -1;
01719 }
01720 for(;;) {
01721 int menu_was_active = 0;
01722
01723 outfd = -1;
01724 ms = -1;
01725
01726 if (timeout && time(NULL) >= timeout)
01727 break;
01728
01729
01730
01731
01732 if (!menu_active && menu_was_active && user->listen.desired && !user->listen.actual)
01733 set_talk_volume(user, user->listen.desired);
01734
01735 menu_was_active = menu_active;
01736
01737 currentmarked = conf->markedusers;
01738 if (!(confflags & CONFFLAG_QUIET) &&
01739 (confflags & CONFFLAG_MARKEDUSER) &&
01740 (confflags & CONFFLAG_WAITMARKED) &&
01741 lastmarked == 0) {
01742 if (currentmarked == 1 && conf->users > 1) {
01743 ast_say_number(chan, conf->users - 1, AST_DIGIT_ANY, chan->language, (char *) NULL);
01744 if (conf->users - 1 == 1) {
01745 if (!ast_streamfile(chan, "conf-userwilljoin", chan->language))
01746 ast_waitstream(chan, "");
01747 } else {
01748 if (!ast_streamfile(chan, "conf-userswilljoin", chan->language))
01749 ast_waitstream(chan, "");
01750 }
01751 }
01752 if (conf->users == 1 && ! (confflags & CONFFLAG_MARKEDUSER))
01753 if (!ast_streamfile(chan, "conf-onlyperson", chan->language))
01754 ast_waitstream(chan, "");
01755 }
01756
01757 c = ast_waitfor_nandfds(&chan, 1, &fd, nfds, NULL, &outfd, &ms);
01758
01759
01760
01761 user->userflags = confflags;
01762
01763 if (confflags & CONFFLAG_WAITMARKED) {
01764 if(currentmarked == 0) {
01765 if (lastmarked != 0) {
01766 if (!(confflags & CONFFLAG_QUIET))
01767 if (!ast_streamfile(chan, "conf-leaderhasleft", chan->language))
01768 ast_waitstream(chan, "");
01769 if(confflags & CONFFLAG_MARKEDEXIT)
01770 break;
01771 else {
01772 ztc.confmode = ZT_CONF_CONF;
01773 if (ioctl(fd, ZT_SETCONF, &ztc)) {
01774 ast_log(LOG_WARNING, "Error setting conference\n");
01775 close(fd);
01776 goto outrun;
01777 }
01778 }
01779 }
01780 if (musiconhold == 0 && (confflags & CONFFLAG_MOH)) {
01781 ast_moh_start(chan, NULL, NULL);
01782 musiconhold = 1;
01783 } else {
01784 ztc.confmode = ZT_CONF_CONF;
01785 if (ioctl(fd, ZT_SETCONF, &ztc)) {
01786 ast_log(LOG_WARNING, "Error setting conference\n");
01787 close(fd);
01788 goto outrun;
01789 }
01790 }
01791 } else if(currentmarked >= 1 && lastmarked == 0) {
01792
01793 timeout = 0;
01794 if (confflags & CONFFLAG_MONITOR)
01795 ztc.confmode = ZT_CONF_CONFMON | ZT_CONF_LISTENER;
01796 else if (confflags & CONFFLAG_TALKER)
01797 ztc.confmode = ZT_CONF_CONF | ZT_CONF_TALKER;
01798 else
01799 ztc.confmode = ZT_CONF_CONF | ZT_CONF_TALKER | ZT_CONF_LISTENER;
01800 if (ioctl(fd, ZT_SETCONF, &ztc)) {
01801 ast_log(LOG_WARNING, "Error setting conference\n");
01802 close(fd);
01803 goto outrun;
01804 }
01805 if (musiconhold && (confflags & CONFFLAG_MOH)) {
01806 ast_moh_stop(chan);
01807 musiconhold = 0;
01808 }
01809 if ( !(confflags & CONFFLAG_QUIET) && !(confflags & CONFFLAG_MARKEDUSER)) {
01810 if (!ast_streamfile(chan, "conf-placeintoconf", chan->language))
01811 ast_waitstream(chan, "");
01812 conf_play(chan, conf, ENTER);
01813 }
01814 }
01815 }
01816
01817
01818 if ((confflags & CONFFLAG_MOH) && !(confflags & CONFFLAG_WAITMARKED)) {
01819 if (conf->users == 1) {
01820 if (musiconhold == 0) {
01821 ast_moh_start(chan, NULL, NULL);
01822 musiconhold = 1;
01823 }
01824 } else {
01825 if (musiconhold) {
01826 ast_moh_stop(chan);
01827 musiconhold = 0;
01828 }
01829 }
01830 }
01831
01832
01833 if (currentmarked == 0 && lastmarked != 0 && (confflags & CONFFLAG_MARKEDEXIT)) {
01834 ret = -1;
01835 break;
01836 }
01837
01838
01839
01840
01841 if ((user->adminflags & (ADMINFLAG_MUTED | ADMINFLAG_SELFMUTED)) && (ztc.confmode & ZT_CONF_TALKER)) {
01842 ztc.confmode ^= ZT_CONF_TALKER;
01843 if (ioctl(fd, ZT_SETCONF, &ztc)) {
01844 ast_log(LOG_WARNING, "Error setting conference - Un/Mute \n");
01845 ret = -1;
01846 break;
01847 }
01848
01849 manager_event(EVENT_FLAG_CALL, "MeetmeMute",
01850 "Channel: %s\r\n"
01851 "Uniqueid: %s\r\n"
01852 "Meetme: %s\r\n"
01853 "Usernum: %i\r\n"
01854 "Status: on\r\n",
01855 chan->name, chan->uniqueid, conf->confno, user->user_no);
01856 }
01857
01858
01859 if (!(user->adminflags & (ADMINFLAG_MUTED | ADMINFLAG_SELFMUTED)) && !(confflags & CONFFLAG_MONITOR) && !(ztc.confmode & ZT_CONF_TALKER)) {
01860 ztc.confmode |= ZT_CONF_TALKER;
01861 if (ioctl(fd, ZT_SETCONF, &ztc)) {
01862 ast_log(LOG_WARNING, "Error setting conference - Un/Mute \n");
01863 ret = -1;
01864 break;
01865 }
01866
01867 manager_event(EVENT_FLAG_CALL, "MeetmeMute",
01868 "Channel: %s\r\n"
01869 "Uniqueid: %s\r\n"
01870 "Meetme: %s\r\n"
01871 "Usernum: %i\r\n"
01872 "Status: off\r\n",
01873 chan->name, chan->uniqueid, conf->confno, user->user_no);
01874 }
01875
01876
01877 if (user->adminflags & ADMINFLAG_KICKME) {
01878
01879 if (!(confflags & CONFFLAG_QUIET) &&
01880 !ast_streamfile(chan, "conf-kicked", chan->language)) {
01881 ast_waitstream(chan, "");
01882 }
01883 ret = 0;
01884 break;
01885 }
01886
01887
01888 if (ast_check_hangup(chan))
01889 break;
01890
01891 if (c) {
01892 if (c->fds[0] != origfd) {
01893 if (using_pseudo) {
01894
01895 close(fd);
01896 using_pseudo = 0;
01897 }
01898 ast_log(LOG_DEBUG, "Ooh, something swapped out under us, starting over\n");
01899 retryzap = strcasecmp(c->tech->type, "Zap");
01900 user->zapchannel = !retryzap;
01901 goto zapretry;
01902 }
01903 if ((confflags & CONFFLAG_MONITOR) || (user->adminflags & (ADMINFLAG_MUTED | ADMINFLAG_SELFMUTED)))
01904 f = ast_read_noaudio(c);
01905 else
01906 f = ast_read(c);
01907 if (!f)
01908 break;
01909 if ((f->frametype == AST_FRAME_VOICE) && (f->subclass == AST_FORMAT_SLINEAR)) {
01910 if (user->talk.actual)
01911 ast_frame_adjust_volume(f, user->talk.actual);
01912
01913 if (confflags & (CONFFLAG_MONITORTALKER | CONFFLAG_OPTIMIZETALKER)) {
01914 int totalsilence;
01915
01916 if (user->talking == -1)
01917 user->talking = 0;
01918
01919 res = ast_dsp_silence(dsp, f, &totalsilence);
01920 if (!user->talking && totalsilence < MEETME_DELAYDETECTTALK) {
01921 user->talking = 1;
01922 if (confflags & CONFFLAG_MONITORTALKER)
01923 manager_event(EVENT_FLAG_CALL, "MeetmeTalking",
01924 "Channel: %s\r\n"
01925 "Uniqueid: %s\r\n"
01926 "Meetme: %s\r\n"
01927 "Usernum: %d\r\n"
01928 "Status: on\r\n",
01929 chan->name, chan->uniqueid, conf->confno, user->user_no);
01930 }
01931 if (user->talking && totalsilence > MEETME_DELAYDETECTENDTALK) {
01932 user->talking = 0;
01933 if (confflags & CONFFLAG_MONITORTALKER)
01934 manager_event(EVENT_FLAG_CALL, "MeetmeTalking",
01935 "Channel: %s\r\n"
01936 "Uniqueid: %s\r\n"
01937 "Meetme: %s\r\n"
01938 "Usernum: %d\r\n"
01939 "Status: off\r\n",
01940 chan->name, chan->uniqueid, conf->confno, user->user_no);
01941 }
01942 }
01943 if (using_pseudo) {
01944
01945
01946
01947
01948
01949
01950
01951
01952
01953
01954
01955
01956 if (user->talking || !(confflags & CONFFLAG_OPTIMIZETALKER))
01957 careful_write(fd, f->data, f->datalen, 0);
01958 }
01959 } else if ((f->frametype == AST_FRAME_DTMF) && (confflags & CONFFLAG_EXIT_CONTEXT)) {
01960 char tmp[2];
01961
01962 if (confflags & CONFFLAG_PASS_DTMF)
01963 conf_queue_dtmf(conf, user, f);
01964
01965 tmp[0] = f->subclass;
01966 tmp[1] = '\0';
01967 if (!ast_goto_if_exists(chan, exitcontext, tmp, 1)) {
01968 ast_log(LOG_DEBUG, "Got DTMF %c, goto context %s\n", tmp[0], exitcontext);
01969 ret = 0;
01970 ast_frfree(f);
01971 break;
01972 } else if (option_debug > 1)
01973 ast_log(LOG_DEBUG, "Exit by single digit did not work in meetme. Extension %s does not exist in context %s\n", tmp, exitcontext);
01974 } else if ((f->frametype == AST_FRAME_DTMF) && (f->subclass == '#') && (confflags & CONFFLAG_POUNDEXIT)) {
01975 if (confflags & CONFFLAG_PASS_DTMF)
01976 conf_queue_dtmf(conf, user, f);
01977 ret = 0;
01978 ast_frfree(f);
01979 break;
01980 } else if (((f->frametype == AST_FRAME_DTMF) && (f->subclass == '*') && (confflags & CONFFLAG_STARMENU)) || ((f->frametype == AST_FRAME_DTMF) && menu_active)) {
01981 if (confflags & CONFFLAG_PASS_DTMF)
01982 conf_queue_dtmf(conf, user, f);
01983 if (ioctl(fd, ZT_SETCONF, &ztc_empty)) {
01984 ast_log(LOG_WARNING, "Error setting conference\n");
01985 close(fd);
01986 ast_frfree(f);
01987 goto outrun;
01988 }
01989
01990
01991
01992
01993 if (!menu_active && user->talk.desired && !user->talk.actual)
01994 set_talk_volume(user, 0);
01995
01996 if (musiconhold) {
01997 ast_moh_stop(chan);
01998 }
01999 if ((confflags & CONFFLAG_ADMIN)) {
02000
02001 if (!menu_active) {
02002 menu_active = 1;
02003
02004 if (!ast_streamfile(chan, "conf-adminmenu", chan->language)) {
02005 dtmf = ast_waitstream(chan, AST_DIGIT_ANY);
02006 ast_stopstream(chan);
02007 } else
02008 dtmf = 0;
02009 } else
02010 dtmf = f->subclass;
02011 if (dtmf) {
02012 switch(dtmf) {
02013 case '1':
02014 menu_active = 0;
02015
02016
02017 if (user->adminflags & (ADMINFLAG_MUTED | ADMINFLAG_SELFMUTED))
02018 user->adminflags &= ~(ADMINFLAG_MUTED | ADMINFLAG_SELFMUTED);
02019 else
02020 user->adminflags |= (ADMINFLAG_MUTED | ADMINFLAG_SELFMUTED);
02021
02022 if ((confflags & CONFFLAG_MONITOR) || (user->adminflags & (ADMINFLAG_MUTED | ADMINFLAG_SELFMUTED))) {
02023 if (!ast_streamfile(chan, "conf-muted", chan->language))
02024 ast_waitstream(chan, "");
02025 } else {
02026 if (!ast_streamfile(chan, "conf-unmuted", chan->language))
02027 ast_waitstream(chan, "");
02028 }
02029 break;
02030 case '2':
02031 menu_active = 0;
02032 if (conf->locked) {
02033 conf->locked = 0;
02034 if (!ast_streamfile(chan, "conf-unlockednow", chan->language))
02035 ast_waitstream(chan, "");
02036 } else {
02037 conf->locked = 1;
02038 if (!ast_streamfile(chan, "conf-lockednow", chan->language))
02039 ast_waitstream(chan, "");
02040 }
02041 break;
02042 case '3':
02043 menu_active = 0;
02044 usr = AST_LIST_LAST(&conf->userlist);
02045 if ((usr->chan->name == chan->name)||(usr->userflags & CONFFLAG_ADMIN)) {
02046 if(!ast_streamfile(chan, "conf-errormenu", chan->language))
02047 ast_waitstream(chan, "");
02048 } else
02049 usr->adminflags |= ADMINFLAG_KICKME;
02050 ast_stopstream(chan);
02051 break;
02052 case '4':
02053 tweak_listen_volume(user, VOL_DOWN);
02054 break;
02055 case '6':
02056 tweak_listen_volume(user, VOL_UP);
02057 break;
02058 case '7':
02059 tweak_talk_volume(user, VOL_DOWN);
02060 break;
02061 case '8':
02062 menu_active = 0;
02063 break;
02064 case '9':
02065 tweak_talk_volume(user, VOL_UP);
02066 break;
02067 default:
02068 menu_active = 0;
02069
02070 if (!ast_streamfile(chan, "conf-errormenu", chan->language))
02071 ast_waitstream(chan, "");
02072 break;
02073 }
02074 }
02075 } else {
02076
02077 if (!menu_active) {
02078 menu_active = 1;
02079 if (!ast_streamfile(chan, "conf-usermenu", chan->language)) {
02080 dtmf = ast_waitstream(chan, AST_DIGIT_ANY);
02081 ast_stopstream(chan);
02082 } else
02083 dtmf = 0;
02084 } else
02085 dtmf = f->subclass;
02086 if (dtmf) {
02087 switch(dtmf) {
02088 case '1':
02089 menu_active = 0;
02090
02091
02092 user->adminflags ^= ADMINFLAG_SELFMUTED;
02093
02094
02095 if ((confflags & CONFFLAG_MONITOR) || (user->adminflags & (ADMINFLAG_MUTED | ADMINFLAG_SELFMUTED))) {
02096 if (!ast_streamfile(chan, "conf-muted", chan->language))
02097 ast_waitstream(chan, "");
02098 } else {
02099 if (!ast_streamfile(chan, "conf-unmuted", chan->language))
02100 ast_waitstream(chan, "");
02101 }
02102 break;
02103 case '4':
02104 tweak_listen_volume(user, VOL_DOWN);
02105 break;
02106 case '6':
02107 tweak_listen_volume(user, VOL_UP);
02108 break;
02109 case '7':
02110 tweak_talk_volume(user, VOL_DOWN);
02111 break;
02112 case '8':
02113 menu_active = 0;
02114 break;
02115 case '9':
02116 tweak_talk_volume(user, VOL_UP);
02117 break;
02118 default:
02119 menu_active = 0;
02120 if (!ast_streamfile(chan, "conf-errormenu", chan->language))
02121 ast_waitstream(chan, "");
02122 break;
02123 }
02124 }
02125 }
02126 if (musiconhold)
02127 ast_moh_start(chan, NULL, NULL);
02128
02129 if (ioctl(fd, ZT_SETCONF, &ztc)) {
02130 ast_log(LOG_WARNING, "Error setting conference\n");
02131 close(fd);
02132 ast_frfree(f);
02133 goto outrun;
02134 }
02135
02136 conf_flush(fd, chan);
02137 } else if ((f->frametype == AST_FRAME_DTMF_BEGIN || f->frametype == AST_FRAME_DTMF_END)
02138 && confflags & CONFFLAG_PASS_DTMF) {
02139 conf_queue_dtmf(conf, user, f);
02140 } else if ((confflags & CONFFLAG_SLA_STATION) && f->frametype == AST_FRAME_CONTROL) {
02141 switch (f->subclass) {
02142 case AST_CONTROL_HOLD:
02143 sla_queue_event_conf(SLA_EVENT_HOLD, chan, conf);
02144 break;
02145 default:
02146 break;
02147 }
02148 } else if (f->frametype == AST_FRAME_NULL) {
02149
02150 } else if (option_debug) {
02151 ast_log(LOG_DEBUG,
02152 "Got unrecognized frame on channel %s, f->frametype=%d,f->subclass=%d\n",
02153 chan->name, f->frametype, f->subclass);
02154 }
02155 ast_frfree(f);
02156 } else if (outfd > -1) {
02157 res = read(outfd, buf, CONF_SIZE);
02158 if (res > 0) {
02159 memset(&fr, 0, sizeof(fr));
02160 fr.frametype = AST_FRAME_VOICE;
02161 fr.subclass = AST_FORMAT_SLINEAR;
02162 fr.datalen = res;
02163 fr.samples = res/2;
02164 fr.data = buf;
02165 fr.offset = AST_FRIENDLY_OFFSET;
02166 if (!user->listen.actual &&
02167 ((confflags & CONFFLAG_MONITOR) ||
02168 (user->adminflags & (ADMINFLAG_MUTED | ADMINFLAG_SELFMUTED)) ||
02169 (!user->talking && (confflags & CONFFLAG_OPTIMIZETALKER))
02170 )) {
02171 int index;
02172 for (index=0;index<AST_FRAME_BITS;index++)
02173 if (chan->rawwriteformat & (1 << index))
02174 break;
02175 if (index >= AST_FRAME_BITS)
02176 goto bailoutandtrynormal;
02177 ast_mutex_lock(&conf->listenlock);
02178 if (!conf->transframe[index]) {
02179 if (conf->origframe) {
02180 if (!conf->transpath[index])
02181 conf->transpath[index] = ast_translator_build_path((1 << index), AST_FORMAT_SLINEAR);
02182 if (conf->transpath[index]) {
02183 conf->transframe[index] = ast_translate(conf->transpath[index], conf->origframe, 0);
02184 if (!conf->transframe[index])
02185 conf->transframe[index] = &ast_null_frame;
02186 }
02187 }
02188 }
02189 if (conf->transframe[index]) {
02190 if (conf->transframe[index]->frametype != AST_FRAME_NULL) {
02191 if (ast_write(chan, conf->transframe[index]))
02192 ast_log(LOG_WARNING, "Unable to write frame to channel %s\n", chan->name);
02193 }
02194 } else {
02195 ast_mutex_unlock(&conf->listenlock);
02196 goto bailoutandtrynormal;
02197 }
02198 ast_mutex_unlock(&conf->listenlock);
02199 } else {
02200 bailoutandtrynormal:
02201 if (user->listen.actual)
02202 ast_frame_adjust_volume(&fr, user->listen.actual);
02203 if (ast_write(chan, &fr) < 0) {
02204 ast_log(LOG_WARNING, "Unable to write frame to channel %s\n", chan->name);
02205 }
02206 }
02207 } else
02208 ast_log(LOG_WARNING, "Failed to read frame: %s\n", strerror(errno));
02209 }
02210 lastmarked = currentmarked;
02211 }
02212 }
02213
02214 if (musiconhold)
02215 ast_moh_stop(chan);
02216
02217 if (using_pseudo)
02218 close(fd);
02219 else {
02220
02221 ztc.chan = 0;
02222 ztc.confno = 0;
02223 ztc.confmode = 0;
02224 if (ioctl(fd, ZT_SETCONF, &ztc)) {
02225 ast_log(LOG_WARNING, "Error setting conference\n");
02226 }
02227 }
02228
02229 reset_volumes(user);
02230
02231 AST_LIST_LOCK(&confs);
02232 if (!(confflags & CONFFLAG_QUIET) && !(confflags & CONFFLAG_MONITOR) && !(confflags & CONFFLAG_ADMIN))
02233 conf_play(chan, conf, LEAVE);
02234
02235 if (!(confflags & CONFFLAG_QUIET) && ((confflags & CONFFLAG_INTROUSER) || (confflags & CONFFLAG_INTROUSERNOREVIEW))) {
02236 if (ast_fileexists(user->namerecloc, NULL, NULL)) {
02237 if ((conf->chan) && (conf->users > 1)) {
02238 if (!ast_streamfile(conf->chan, user->namerecloc, chan->language))
02239 ast_waitstream(conf->chan, "");
02240 if (!ast_streamfile(conf->chan, "conf-hasleft", chan->language))
02241 ast_waitstream(conf->chan, "");
02242 }
02243 ast_filedelete(user->namerecloc, NULL);
02244 }
02245 }
02246 AST_LIST_UNLOCK(&confs);
02247
02248 outrun:
02249 AST_LIST_LOCK(&confs);
02250
02251 if (dsp)
02252 ast_dsp_free(dsp);
02253
02254 if (user->user_no) {
02255 now = time(NULL);
02256 hr = (now - user->jointime) / 3600;
02257 min = ((now - user->jointime) % 3600) / 60;
02258 sec = (now - user->jointime) % 60;
02259
02260 if (sent_event) {
02261 manager_event(EVENT_FLAG_CALL, "MeetmeLeave",
02262 "Channel: %s\r\n"
02263 "Uniqueid: %s\r\n"
02264 "Meetme: %s\r\n"
02265 "Usernum: %d\r\n"
02266 "CallerIDnum: %s\r\n"
02267 "CallerIDname: %s\r\n"
02268 "Duration: %ld\r\n",
02269 chan->name, chan->uniqueid, conf->confno,
02270 user->user_no,
02271 S_OR(user->chan->cid.cid_num, "<unknown>"),
02272 S_OR(user->chan->cid.cid_name, "<unknown>"),
02273 (long)(now - user->jointime));
02274 }
02275
02276 conf->users--;
02277
02278 snprintf(members, sizeof(members), "%d", conf->users);
02279 ast_update_realtime("meetme", "confno", conf->confno, "members", members, NULL);
02280 if (confflags & CONFFLAG_MARKEDUSER)
02281 conf->markedusers--;
02282
02283 AST_LIST_REMOVE(&conf->userlist, user, list);
02284
02285
02286 if (!conf->users)
02287 ast_device_state_changed("meetme:%s", conf->confno);
02288
02289
02290 snprintf(meetmesecs, sizeof(meetmesecs), "%d", (int) (time(NULL) - user->jointime));
02291 pbx_builtin_setvar_helper(chan, "MEETMESECS", meetmesecs);
02292 }
02293 free(user);
02294 AST_LIST_UNLOCK(&confs);
02295
02296 return ret;
02297 }
02298
02299 static struct ast_conference *find_conf_realtime(struct ast_channel *chan, char *confno, int make, int dynamic,
02300 char *dynamic_pin, size_t pin_buf_len, int refcount, struct ast_flags *confflags)
02301 {
02302 struct ast_variable *var;
02303 struct ast_conference *cnf;
02304
02305
02306 AST_LIST_LOCK(&confs);
02307 AST_LIST_TRAVERSE(&confs, cnf, list) {
02308 if (!strcmp(confno, cnf->confno))
02309 break;
02310 }
02311 if (cnf) {
02312 cnf->refcount += refcount;
02313 }
02314 AST_LIST_UNLOCK(&confs);
02315
02316 if (!cnf) {
02317 char *pin = NULL, *pinadmin = NULL;
02318
02319 var = ast_load_realtime("meetme", "confno", confno, NULL);
02320
02321 if (!var)
02322 return NULL;
02323
02324 while (var) {
02325 if (!strcasecmp(var->name, "pin")) {
02326 pin = ast_strdupa(var->value);
02327 } else if (!strcasecmp(var->name, "adminpin")) {
02328 pinadmin = ast_strdupa(var->value);
02329 }
02330 var = var->next;
02331 }
02332 ast_variables_destroy(var);
02333
02334 cnf = build_conf(confno, pin ? pin : "", pinadmin ? pinadmin : "", make, dynamic, refcount);
02335 }
02336
02337 if (cnf) {
02338 if (confflags && !cnf->chan &&
02339 !ast_test_flag(confflags, CONFFLAG_QUIET) &&
02340 ast_test_flag(confflags, CONFFLAG_INTROUSER)) {
02341 ast_log(LOG_WARNING, "No Zap channel available for conference, user introduction disabled (is chan_zap loaded?)\n");
02342 ast_clear_flag(confflags, CONFFLAG_INTROUSER);
02343 }
02344
02345 if (confflags && !cnf->chan &&
02346 ast_test_flag(confflags, CONFFLAG_RECORDCONF)) {
02347 ast_log(LOG_WARNING, "No Zap channel available for conference, conference recording disabled (is chan_zap loaded?)\n");
02348 ast_clear_flag(confflags, CONFFLAG_RECORDCONF);
02349 }
02350 }
02351
02352 return cnf;
02353 }
02354
02355
02356 static struct ast_conference *find_conf(struct ast_channel *chan, char *confno, int make, int dynamic,
02357 char *dynamic_pin, size_t pin_buf_len, int refcount, struct ast_flags *confflags)
02358 {
02359 struct ast_config *cfg;
02360 struct ast_variable *var;
02361 struct ast_conference *cnf;
02362 char *parse;
02363 AST_DECLARE_APP_ARGS(args,
02364 AST_APP_ARG(confno);
02365 AST_APP_ARG(pin);
02366 AST_APP_ARG(pinadmin);
02367 );
02368
02369
02370 AST_LIST_LOCK(&confs);
02371 AST_LIST_TRAVERSE(&confs, cnf, list) {
02372 if (!strcmp(confno, cnf->confno))
02373 break;
02374 }
02375 if (cnf){
02376 cnf->refcount += refcount;
02377 }
02378 AST_LIST_UNLOCK(&confs);
02379
02380 if (!cnf) {
02381 if (dynamic) {
02382
02383 ast_log(LOG_DEBUG, "Building dynamic conference '%s'\n", confno);
02384 if (dynamic_pin) {
02385 if (dynamic_pin[0] == 'q') {
02386
02387 if (ast_app_getdata(chan, "conf-getpin", dynamic_pin, pin_buf_len - 1, 0) < 0)
02388 return NULL;
02389 }
02390 cnf = build_conf(confno, dynamic_pin, "", make, dynamic, refcount);
02391 } else {
02392 cnf = build_conf(confno, "", "", make, dynamic, refcount);
02393 }
02394 } else {
02395
02396 cfg = ast_config_load(CONFIG_FILE_NAME);
02397 if (!cfg) {
02398 ast_log(LOG_WARNING, "No %s file :(\n", CONFIG_FILE_NAME);
02399 return NULL;
02400 }
02401 for (var = ast_variable_browse(cfg, "rooms"); var; var = var->next) {
02402 if (strcasecmp(var->name, "conf"))
02403 continue;
02404
02405 if (!(parse = ast_strdupa(var->value)))
02406 return NULL;
02407
02408 AST_NONSTANDARD_APP_ARGS(args, parse, ',');
02409 if (!strcasecmp(args.confno, confno)) {
02410
02411 cnf = build_conf(args.confno,
02412 S_OR(args.pin, ""),
02413 S_OR(args.pinadmin, ""),
02414 make, dynamic, refcount);
02415 break;
02416 }
02417 }
02418 if (!var) {
02419 ast_log(LOG_DEBUG, "%s isn't a valid conference\n", confno);
02420 }
02421 ast_config_destroy(cfg);
02422 }
02423 } else if (dynamic_pin) {
02424
02425
02426
02427 if (dynamic_pin[0] == 'q')
02428 dynamic_pin[0] = '\0';
02429 }
02430
02431 if (cnf) {
02432 if (confflags && !cnf->chan &&
02433 !ast_test_flag(confflags, CONFFLAG_QUIET) &&
02434 ast_test_flag(confflags, CONFFLAG_INTROUSER)) {
02435 ast_log(LOG_WARNING, "No Zap channel available for conference, user introduction disabled (is chan_zap loaded?)\n");
02436 ast_clear_flag(confflags, CONFFLAG_INTROUSER);
02437 }
02438
02439 if (confflags && !cnf->chan &&
02440 ast_test_flag(confflags, CONFFLAG_RECORDCONF)) {
02441 ast_log(LOG_WARNING, "No Zap channel available for conference, conference recording disabled (is chan_zap loaded?)\n");
02442 ast_clear_flag(confflags, CONFFLAG_RECORDCONF);
02443 }
02444 }
02445
02446 return cnf;
02447 }
02448
02449
02450 static int count_exec(struct ast_channel *chan, void *data)
02451 {
02452 struct ast_module_user *u;
02453 int res = 0;
02454 struct ast_conference *conf;
02455 int count;
02456 char *localdata;
02457 char val[80] = "0";
02458 AST_DECLARE_APP_ARGS(args,
02459 AST_APP_ARG(confno);
02460 AST_APP_ARG(varname);
02461 );
02462
02463 if (ast_strlen_zero(data)) {
02464 ast_log(LOG_WARNING, "MeetMeCount requires an argument (conference number)\n");
02465 return -1;
02466 }
02467
02468 u = ast_module_user_add(chan);
02469
02470 if (!(localdata = ast_strdupa(data))) {
02471 ast_module_user_remove(u);
02472 return -1;
02473 }
02474
02475 AST_STANDARD_APP_ARGS(args, localdata);
02476
02477 conf = find_conf(chan, args.confno, 0, 0, NULL, 0, 1, NULL);
02478
02479 if (conf) {
02480 count = conf->users;
02481 dispose_conf(conf);
02482 conf = NULL;
02483 } else
02484 count = 0;
02485
02486 if (!ast_strlen_zero(args.varname)){
02487
02488 snprintf(val, sizeof(val), "%d",count);
02489 pbx_builtin_setvar_helper(chan, args.varname, val);
02490 } else {
02491 if (chan->_state != AST_STATE_UP)
02492 ast_answer(chan);
02493 res = ast_say_number(chan, count, "", chan->language, (char *) NULL);
02494 }
02495 ast_module_user_remove(u);
02496
02497 return res;
02498 }
02499
02500
02501 static int conf_exec(struct ast_channel *chan, void *data)
02502 {
02503 int res=-1;
02504 struct ast_module_user *u;
02505 char confno[MAX_CONFNUM] = "";
02506 int allowretry = 0;
02507 int retrycnt = 0;
02508 struct ast_conference *cnf = NULL;
02509 struct ast_flags confflags = {0};
02510 int dynamic = 0;
02511 int empty = 0, empty_no_pin = 0;
02512 int always_prompt = 0;
02513 char *notdata, *info, the_pin[MAX_PIN] = "";
02514 AST_DECLARE_APP_ARGS(args,
02515 AST_APP_ARG(confno);
02516 AST_APP_ARG(options);
02517 AST_APP_ARG(pin);
02518 );
02519 char *optargs[OPT_ARG_ARRAY_SIZE] = { NULL, };
02520
02521 u = ast_module_user_add(chan);
02522
02523 if (ast_strlen_zero(data)) {
02524 allowretry = 1;
02525 notdata = "";
02526 } else {
02527 notdata = data;
02528 }
02529
02530 if (chan->_state != AST_STATE_UP)
02531 ast_answer(chan);
02532
02533 info = ast_strdupa(notdata);
02534
02535 AST_STANDARD_APP_ARGS(args, info);
02536
02537 if (args.confno) {
02538 ast_copy_string(confno, args.confno, sizeof(confno));
02539 if (ast_strlen_zero(confno)) {
02540 allowretry = 1;
02541 }
02542 }
02543
02544 if (args.pin)
02545 ast_copy_string(the_pin, args.pin, sizeof(the_pin));
02546
02547 if (args.options) {
02548 ast_app_parse_options(meetme_opts, &confflags, optargs, args.options);
02549 dynamic = ast_test_flag(&confflags, CONFFLAG_DYNAMIC | CONFFLAG_DYNAMICPIN);
02550 if (ast_test_flag(&confflags, CONFFLAG_DYNAMICPIN) && !args.pin)
02551 strcpy(the_pin, "q");
02552
02553 empty = ast_test_flag(&confflags, CONFFLAG_EMPTY | CONFFLAG_EMPTYNOPIN);
02554 empty_no_pin = ast_test_flag(&confflags, CONFFLAG_EMPTYNOPIN);
02555 always_prompt = ast_test_flag(&confflags, CONFFLAG_ALWAYSPROMPT);
02556 }
02557
02558 do {
02559 if (retrycnt > 3)
02560 allowretry = 0;
02561 if (empty) {
02562 int i;
02563 struct ast_config *cfg;
02564 struct ast_variable *var;
02565 int confno_int;
02566
02567
02568 if ((empty_no_pin) || (!dynamic)) {
02569 cfg = ast_config_load(CONFIG_FILE_NAME);
02570 if (cfg) {
02571 var = ast_variable_browse(cfg, "rooms");
02572 while (var) {
02573 if (!strcasecmp(var->name, "conf")) {
02574 char *stringp = ast_strdupa(var->value);
02575 if (stringp) {
02576 char *confno_tmp = strsep(&stringp, "|,");
02577 int found = 0;
02578 if (!dynamic) {
02579
02580 AST_LIST_LOCK(&confs);
02581 AST_LIST_TRAVERSE(&confs, cnf, list) {
02582 if (!strcmp(confno_tmp, cnf->confno)) {
02583
02584 found = 1;
02585 break;
02586 }
02587 }
02588 AST_LIST_UNLOCK(&confs);
02589 if (!found) {
02590
02591 if ((empty_no_pin && ast_strlen_zero(stringp)) || (!empty_no_pin)) {
02592
02593
02594
02595
02596 ast_copy_string(confno, confno_tmp, sizeof(confno));
02597 break;
02598
02599 }
02600 }
02601 }
02602 }
02603 }
02604 var = var->next;
02605 }
02606 ast_config_destroy(cfg);
02607 }
02608 }
02609
02610
02611 if (ast_strlen_zero(confno) && dynamic) {
02612 AST_LIST_LOCK(&confs);
02613 for (i = 0; i < sizeof(conf_map) / sizeof(conf_map[0]); i++) {
02614 if (!conf_map[i]) {
02615 snprintf(confno, sizeof(confno), "%d", i);
02616 conf_map[i] = 1;
02617 break;
02618 }
02619 }
02620 AST_LIST_UNLOCK(&confs);
02621 }
02622
02623
02624 if (ast_strlen_zero(confno)) {
02625 res = ast_streamfile(chan, "conf-noempty", chan->language);
02626 if (!res)
02627 ast_waitstream(chan, "");
02628 } else {
02629 if (sscanf(confno, "%d", &confno_int) == 1) {
02630 res = ast_streamfile(chan, "conf-enteringno", chan->language);
02631 if (!res) {
02632 ast_waitstream(chan, "");
02633 res = ast_say_digits(chan, confno_int, "", chan->language);
02634 }
02635 } else {
02636 ast_log(LOG_ERROR, "Could not scan confno '%s'\n", confno);
02637 }
02638 }
02639 }
02640
02641 while (allowretry && (ast_strlen_zero(confno)) && (++retrycnt < 4)) {
02642
02643 res = ast_app_getdata(chan, "conf-getconfno", confno, sizeof(confno) - 1, 0);
02644 if (res < 0) {
02645
02646 confno[0] = '\0';
02647 allowretry = 0;
02648 break;
02649 }
02650 }
02651 if (!ast_strlen_zero(confno)) {
02652
02653 cnf = find_conf(chan, confno, 1, dynamic, the_pin,
02654 sizeof(the_pin), 1, &confflags);
02655 if (!cnf) {
02656 cnf = find_conf_realtime(chan, confno, 1, dynamic,
02657 the_pin, sizeof(the_pin), 1, &confflags);
02658 }
02659
02660 if (!cnf) {
02661 res = ast_streamfile(chan, "conf-invalid", chan->language);
02662 if (!res)
02663 ast_waitstream(chan, "");
02664 res = -1;
02665 if (allowretry)
02666 confno[0] = '\0';
02667 } else {
02668 if ((!ast_strlen_zero(cnf->pin) &&
02669 !ast_test_flag(&confflags, CONFFLAG_ADMIN)) ||
02670 (!ast_strlen_zero(cnf->pinadmin) &&
02671 ast_test_flag(&confflags, CONFFLAG_ADMIN))) {
02672 char pin[MAX_PIN] = "";
02673 int j;
02674
02675
02676 for (j = 0; j < 3; j++) {
02677 if (*the_pin && (always_prompt == 0)) {
02678 ast_copy_string(pin, the_pin, sizeof(pin));
02679 res = 0;
02680 } else {
02681
02682 res = ast_app_getdata(chan, "conf-getpin", pin + strlen(pin), sizeof(pin) - 1 - strlen(pin), 0);
02683 }
02684 if (res >= 0) {
02685 if (!strcasecmp(pin, cnf->pin) ||
02686 (!ast_strlen_zero(cnf->pinadmin) &&
02687 !strcasecmp(pin, cnf->pinadmin))) {
02688
02689 allowretry = 0;
02690 if (!ast_strlen_zero(cnf->pinadmin) && !strcasecmp(pin, cnf->pinadmin))
02691 ast_set_flag(&confflags, CONFFLAG_ADMIN);
02692
02693 res = conf_run(chan, cnf, confflags.flags, optargs);
02694 break;
02695 } else {
02696
02697 if (!ast_streamfile(chan, "conf-invalidpin", chan->language)) {
02698 res = ast_waitstream(chan, AST_DIGIT_ANY);
02699 ast_stopstream(chan);
02700 }
02701 else {
02702 ast_log(LOG_WARNING, "Couldn't play invalid pin msg!\n");
02703 break;
02704 }
02705 if (res < 0)
02706 break;
02707 pin[0] = res;
02708 pin[1] = '\0';
02709 res = -1;
02710 if (allowretry)
02711 confno[0] = '\0';
02712 }
02713 } else {
02714
02715 res = -1;
02716 allowretry = 0;
02717
02718 break;
02719 }
02720
02721
02722 if (*the_pin && (always_prompt==0)) {
02723 break;
02724 }
02725 }
02726 } else {
02727
02728 allowretry = 0;
02729
02730
02731 res = conf_run(chan, cnf, confflags.flags, optargs);
02732 }
02733 dispose_conf(cnf);
02734 cnf = NULL;
02735 }
02736 }
02737 } while (allowretry);
02738
02739 if (cnf)
02740 dispose_conf(cnf);
02741
02742 ast_module_user_remove(u);
02743
02744 return res;
02745 }
02746
02747 static struct ast_conf_user *find_user(struct ast_conference *conf, char *callerident)
02748 {
02749 struct ast_conf_user *user = NULL;
02750 int cid;
02751
02752 sscanf(callerident, "%i", &cid);
02753 if (conf && callerident) {
02754 AST_LIST_TRAVERSE(&conf->userlist, user, list) {
02755 if (cid == user->user_no)
02756 return user;
02757 }
02758 }
02759 return NULL;
02760 }
02761
02762
02763
02764 static int admin_exec(struct ast_channel *chan, void *data) {
02765 char *params;
02766 struct ast_conference *cnf;
02767 struct ast_conf_user *user = NULL;
02768 struct ast_module_user *u;
02769 AST_DECLARE_APP_ARGS(args,
02770 AST_APP_ARG(confno);
02771 AST_APP_ARG(command);
02772 AST_APP_ARG(user);
02773 );
02774
02775 if (ast_strlen_zero(data)) {
02776 ast_log(LOG_WARNING, "MeetMeAdmin requires an argument!\n");
02777 return -1;
02778 }
02779
02780 u = ast_module_user_add(chan);
02781
02782 AST_LIST_LOCK(&confs);
02783
02784 params = ast_strdupa(data);
02785 AST_STANDARD_APP_ARGS(args, params);
02786
02787 if (!args.command) {
02788 ast_log(LOG_WARNING, "MeetmeAdmin requires a command!\n");
02789 AST_LIST_UNLOCK(&confs);
02790 ast_module_user_remove(u);
02791 return -1;
02792 }
02793 AST_LIST_TRAVERSE(&confs, cnf, list) {
02794 if (!strcmp(cnf->confno, args.confno))
02795 break;
02796 }
02797
02798 if (!cnf) {
02799 ast_log(LOG_WARNING, "Conference number '%s' not found!\n", args.confno);
02800 AST_LIST_UNLOCK(&confs);
02801 ast_module_user_remove(u);
02802 return 0;
02803 }
02804
02805 ast_atomic_fetchadd_int(&cnf->refcount, 1);
02806
02807 if (args.user)
02808 user = find_user(cnf, args.user);
02809
02810 switch (*args.command) {
02811 case 76:
02812 cnf->locked = 1;
02813 break;
02814 case 108:
02815 cnf->locked = 0;
02816 break;
02817 case 75:
02818 AST_LIST_TRAVERSE(&cnf->userlist, user, list)
02819 user->adminflags |= ADMINFLAG_KICKME;
02820 break;
02821 case 101:
02822 user = AST_LIST_LAST(&cnf->userlist);
02823 if (!(user->userflags & CONFFLAG_ADMIN))
02824 user->adminflags |= ADMINFLAG_KICKME;
02825 else
02826 ast_log(LOG_NOTICE, "Not kicking last user, is an Admin!\n");
02827 break;
02828 case 77:
02829 if (user) {
02830 user->adminflags |= ADMINFLAG_MUTED;
02831 } else
02832 ast_log(LOG_NOTICE, "Specified User not found!\n");
02833 break;
02834 case 78:
02835 AST_LIST_TRAVERSE(&cnf->userlist, user, list) {
02836 if (!(user->userflags & CONFFLAG_ADMIN))
02837 user->adminflags |= ADMINFLAG_MUTED;
02838 }
02839 break;
02840 case 109:
02841 if (user) {
02842 user->adminflags &= ~(ADMINFLAG_MUTED | ADMINFLAG_SELFMUTED);
02843 } else
02844 ast_log(LOG_NOTICE, "Specified User not found!\n");
02845 break;
02846 case 110:
02847 AST_LIST_TRAVERSE(&cnf->userlist, user, list)
02848 user->adminflags &= ~(ADMINFLAG_MUTED | ADMINFLAG_SELFMUTED);
02849 break;
02850 case 107:
02851 if (user)
02852 user->adminflags |= ADMINFLAG_KICKME;
02853 else
02854 ast_log(LOG_NOTICE, "Specified User not found!\n");
02855 break;
02856 case 118:
02857 AST_LIST_TRAVERSE(&cnf->userlist, user, list)
02858 tweak_listen_volume(user, VOL_DOWN);
02859 break;
02860 case 86:
02861 AST_LIST_TRAVERSE(&cnf->userlist, user, list)
02862 tweak_listen_volume(user, VOL_UP);
02863 break;
02864 case 115:
02865 AST_LIST_TRAVERSE(&cnf->userlist, user, list)
02866 tweak_talk_volume(user, VOL_DOWN);
02867 break;
02868 case 83:
02869 AST_LIST_TRAVERSE(&cnf->userlist, user, list)
02870 tweak_talk_volume(user, VOL_UP);
02871 break;
02872 case 82:
02873 AST_LIST_TRAVERSE(&cnf->userlist, user, list)
02874 reset_volumes(user);
02875 break;
02876 case 114:
02877 if (user)
02878 reset_volumes(user);
02879 else
02880 ast_log(LOG_NOTICE, "Specified User not found!\n");
02881 break;
02882 case 85:
02883 if (user)
02884 tweak_listen_volume(user, VOL_UP);
02885 else
02886 ast_log(LOG_NOTICE, "Specified User not found!\n");
02887 break;
02888 case 117:
02889 if (user)
02890 tweak_listen_volume(user, VOL_DOWN);
02891 else
02892 ast_log(LOG_NOTICE, "Specified User not found!\n");
02893 break;
02894 case 84:
02895 if (user)
02896 tweak_talk_volume(user, VOL_UP);
02897 else
02898 ast_log(LOG_NOTICE, "Specified User not found!\n");
02899 break;
02900 case 116:
02901 if (user)
02902 tweak_talk_volume(user, VOL_DOWN);
02903 else
02904 ast_log(LOG_NOTICE, "Specified User not found!\n");
02905 break;
02906 }
02907
02908 AST_LIST_UNLOCK(&confs);
02909
02910 dispose_conf(cnf);
02911
02912 ast_module_user_remove(u);
02913
02914 return 0;
02915 }
02916
02917 static int meetmemute(struct mansession *s, const struct message *m, int mute)
02918 {
02919 struct ast_conference *conf;
02920 struct ast_conf_user *user;
02921 const char *confid = astman_get_header(m, "Meetme");
02922 char *userid = ast_strdupa(astman_get_header(m, "Usernum"));
02923 int userno;
02924
02925 if (ast_strlen_zero(confid)) {
02926 astman_send_error(s, m, "Meetme conference not specified");
02927 return 0;
02928 }
02929
02930 if (ast_strlen_zero(userid)) {
02931 astman_send_error(s, m, "Meetme user number not specified");
02932 return 0;
02933 }
02934
02935 userno = strtoul(userid, &userid, 10);
02936
02937 if (*userid) {
02938 astman_send_error(s, m, "Invalid user number");
02939 return 0;
02940 }
02941
02942
02943 AST_LIST_LOCK(&confs);
02944 AST_LIST_TRAVERSE(&confs, conf, list) {
02945 if (!strcmp(confid, conf->confno))
02946 break;
02947 }
02948
02949 if (!conf) {
02950 AST_LIST_UNLOCK(&confs);
02951 astman_send_error(s, m, "Meetme conference does not exist");
02952 return 0;
02953 }
02954
02955 AST_LIST_TRAVERSE(&conf->userlist, user, list)
02956 if (user->user_no == userno)
02957 break;
02958
02959 if (!user) {
02960 AST_LIST_UNLOCK(&confs);
02961 astman_send_error(s, m, "User number not found");
02962 return 0;
02963 }
02964
02965 if (mute)
02966 user->adminflags |= ADMINFLAG_MUTED;
02967 else
02968 user->adminflags &= ~(ADMINFLAG_MUTED | ADMINFLAG_SELFMUTED);
02969
02970 AST_LIST_UNLOCK(&confs);
02971
02972 ast_log(LOG_NOTICE, "Requested to %smute conf %s user %d userchan %s uniqueid %s\n", mute ? "" : "un", conf->confno, user->user_no, user->chan->name, user->chan->uniqueid);
02973
02974 astman_send_ack(s, m, mute ? "User muted" : "User unmuted");
02975 return 0;
02976 }
02977
02978 static int action_meetmemute(struct mansession *s, const struct message *m)
02979 {
02980 return meetmemute(s, m, 1);
02981 }
02982
02983 static int action_meetmeunmute(struct mansession *s, const struct message *m)
02984 {
02985 return meetmemute(s, m, 0);
02986 }
02987
02988 static void *recordthread(void *args)
02989 {
02990 struct ast_conference *cnf = args;
02991 struct ast_frame *f=NULL;
02992 int flags;
02993 struct ast_filestream *s=NULL;
02994 int res=0;
02995 int x;
02996 const char *oldrecordingfilename = NULL;
02997
02998 if (!cnf || !cnf->lchan) {
02999 pthread_exit(0);
03000 }
03001
03002 ast_stopstream(cnf->lchan);
03003 flags = O_CREAT|O_TRUNC|O_WRONLY;
03004
03005
03006 cnf->recording = MEETME_RECORD_ACTIVE;
03007 while (ast_waitfor(cnf->lchan, -1) > -1) {
03008 if (cnf->recording == MEETME_RECORD_TERMINATE) {
03009 AST_LIST_LOCK(&confs);
03010 AST_LIST_UNLOCK(&confs);
03011 break;
03012 }
03013 if (!s && cnf->recordingfilename && (cnf->recordingfilename != oldrecordingfilename)) {
03014 s = ast_writefile(cnf->recordingfilename, cnf->recordingformat, NULL, flags, 0, 0644);
03015 oldrecordingfilename = cnf->recordingfilename;
03016 }
03017
03018 f = ast_read(cnf->lchan);
03019 if (!f) {
03020 res = -1;
03021 break;
03022 }
03023 if (f->frametype == AST_FRAME_VOICE) {
03024 ast_mutex_lock(&cnf->listenlock);
03025 for (x=0;x<AST_FRAME_BITS;x++) {
03026
03027 if (cnf->transframe[x]) {
03028 ast_frfree(cnf->transframe[x]);
03029 cnf->transframe[x] = NULL;
03030 }
03031 }
03032 if (cnf->origframe)
03033 ast_frfree(cnf->origframe);
03034 cnf->origframe = ast_frdup(f);
03035 ast_mutex_unlock(&cnf->listenlock);
03036 if (s)
03037 res = ast_writestream(s, f);
03038 if (res) {
03039 ast_frfree(f);
03040 break;
03041 }
03042 }
03043 ast_frfree(f);
03044 }
03045 cnf->recording = MEETME_RECORD_OFF;
03046 if (s)
03047 ast_closestream(s);
03048
03049 pthread_exit(0);
03050 }
03051
03052
03053 static int meetmestate(const char *data)
03054 {
03055 struct ast_conference *conf;
03056
03057
03058 AST_LIST_LOCK(&confs);
03059 AST_LIST_TRAVERSE(&confs, conf, list) {
03060 if (!strcmp(data, conf->confno))
03061 break;
03062 }
03063 AST_LIST_UNLOCK(&confs);
03064 if (!conf)
03065 return AST_DEVICE_INVALID;
03066
03067
03068
03069 if (!conf->users)
03070 return AST_DEVICE_NOT_INUSE;
03071
03072 return AST_DEVICE_INUSE;
03073 }
03074
03075 static void load_config_meetme(void)
03076 {
03077 struct ast_config *cfg;
03078 const char *val;
03079
03080 audio_buffers = DEFAULT_AUDIO_BUFFERS;
03081
03082 if (!(cfg = ast_config_load(CONFIG_FILE_NAME)))
03083 return;
03084
03085 if ((val = ast_variable_retrieve(cfg, "general", "audiobuffers"))) {
03086 if ((sscanf(val, "%d", &audio_buffers) != 1)) {
03087 ast_log(LOG_WARNING, "audiobuffers setting must be a number, not '%s'\n", val);
03088 audio_buffers = DEFAULT_AUDIO_BUFFERS;
03089 } else if ((audio_buffers < ZT_DEFAULT_NUM_BUFS) || (audio_buffers > ZT_MAX_NUM_BUFS)) {
03090 ast_log(LOG_WARNING, "audiobuffers setting must be between %d and %d\n",
03091 ZT_DEFAULT_NUM_BUFS, ZT_MAX_NUM_BUFS);
03092 audio_buffers = DEFAULT_AUDIO_BUFFERS;
03093 }
03094 if (audio_buffers != DEFAULT_AUDIO_BUFFERS)
03095 ast_log(LOG_NOTICE, "Audio buffers per channel set to %d\n", audio_buffers);
03096 }
03097
03098 ast_config_destroy(cfg);
03099 }
03100
03101
03102
03103
03104 static struct sla_trunk *sla_find_trunk(const char *name)
03105 {
03106 struct sla_trunk *trunk = NULL;
03107
03108 AST_RWLIST_TRAVERSE(&sla_trunks, trunk, entry) {
03109 if (!strcasecmp(trunk->name, name))
03110 break;
03111 }
03112
03113 return trunk;
03114 }
03115
03116
03117
03118
03119 static struct sla_station *sla_find_station(const char *name)
03120 {
03121 struct sla_station *station = NULL;
03122
03123 AST_RWLIST_TRAVERSE(&sla_stations, station, entry) {
03124 if (!strcasecmp(station->name, name))
03125 break;
03126 }
03127
03128 return station;
03129 }
03130
03131 static int sla_check_station_hold_access(const struct sla_trunk *trunk,
03132 const struct sla_station *station)
03133 {
03134 struct sla_station_ref *station_ref;
03135 struct sla_trunk_ref *trunk_ref;
03136
03137
03138 AST_LIST_TRAVERSE(&trunk->stations, station_ref, entry) {
03139 AST_LIST_TRAVERSE(&station_ref->station->trunks, trunk_ref, entry) {
03140 if (trunk_ref->trunk != trunk || station_ref->station == station)
03141 continue;
03142 if (trunk_ref->state == SLA_TRUNK_STATE_ONHOLD_BYME &&
03143 station_ref->station->hold_access == SLA_HOLD_PRIVATE)
03144 return 1;
03145 return 0;
03146 }
03147 }
03148
03149 return 0;
03150 }
03151
03152
03153
03154
03155
03156
03157
03158
03159 static struct sla_trunk_ref *sla_find_trunk_ref_byname(const struct sla_station *station,
03160 const char *name)
03161 {
03162 struct sla_trunk_ref *trunk_ref = NULL;
03163
03164 AST_LIST_TRAVERSE(&station->trunks, trunk_ref, entry) {
03165 if (strcasecmp(trunk_ref->trunk->name, name))
03166 continue;
03167
03168 if ( (trunk_ref->trunk->barge_disabled
03169 && trunk_ref->state == SLA_TRUNK_STATE_UP) ||
03170 (trunk_ref->trunk->hold_stations
03171 && trunk_ref->trunk->hold_access == SLA_HOLD_PRIVATE
03172 && trunk_ref->state != SLA_TRUNK_STATE_ONHOLD_BYME) ||
03173 sla_check_station_hold_access(trunk_ref->trunk, station) )
03174 {
03175 trunk_ref = NULL;
03176 }
03177
03178 break;
03179 }
03180
03181 return trunk_ref;
03182 }
03183
03184 static struct sla_station_ref *sla_create_station_ref(struct sla_station *station)
03185 {
03186 struct sla_station_ref *station_ref;
03187
03188 if (!(station_ref = ast_calloc(1, sizeof(*station_ref))))
03189 return NULL;
03190
03191 station_ref->station = station;
03192
03193 return station_ref;
03194 }
03195
03196 static struct sla_ringing_station *sla_create_ringing_station(struct sla_station *station)
03197 {
03198 struct sla_ringing_station *ringing_station;
03199
03200 if (!(ringing_station = ast_calloc(1, sizeof(*ringing_station))))
03201 return NULL;
03202
03203 ringing_station->station = station;
03204 ringing_station->ring_begin = ast_tvnow();
03205
03206 return ringing_station;
03207 }
03208
03209 static void sla_change_trunk_state(const struct sla_trunk *trunk, enum sla_trunk_state state,
03210 enum sla_which_trunk_refs inactive_only, const struct sla_trunk_ref *exclude)
03211 {
03212 struct sla_station *station;
03213 struct sla_trunk_ref *trunk_ref;
03214
03215 AST_LIST_TRAVERSE(&sla_stations, station, entry) {
03216 AST_LIST_TRAVERSE(&station->trunks, trunk_ref, entry) {
03217 if (trunk_ref->trunk != trunk || (inactive_only ? trunk_ref->chan : 0)
03218 || trunk_ref == exclude)
03219 continue;
03220 trunk_ref->state = state;
03221 ast_device_state_changed("SLA:%s_%s", station->name, trunk->name);
03222 break;
03223 }
03224 }
03225 }
03226
03227 struct run_station_args {
03228 struct sla_station *station;
03229 struct sla_trunk_ref *trunk_ref;
03230 ast_mutex_t *cond_lock;
03231 ast_cond_t *cond;
03232 };
03233
03234 static void *run_station(void *data)
03235 {
03236 struct sla_station *station;
03237 struct sla_trunk_ref *trunk_ref;
03238 char conf_name[MAX_CONFNUM];
03239 struct ast_flags conf_flags = { 0 };
03240 struct ast_conference *conf;
03241
03242 {
03243 struct run_station_args *args = data;
03244 station = args->station;
03245 trunk_ref = args->trunk_ref;
03246 ast_mutex_lock(args->cond_lock);
03247 ast_cond_signal(args->cond);
03248 ast_mutex_unlock(args->cond_lock);
03249
03250 }
03251
03252 ast_atomic_fetchadd_int((int *) &trunk_ref->trunk->active_stations, 1);
03253 snprintf(conf_name, sizeof(conf_name), "SLA_%s", trunk_ref->trunk->name);
03254 ast_set_flag(&conf_flags,
03255 CONFFLAG_QUIET | CONFFLAG_MARKEDEXIT | CONFFLAG_PASS_DTMF | CONFFLAG_SLA_STATION);
03256 ast_answer(trunk_ref->chan);
03257 conf = build_conf(conf_name, "", "", 0, 0, 1);
03258 if (conf) {
03259 conf_run(trunk_ref->chan, conf, conf_flags.flags, NULL);
03260 dispose_conf(conf);
03261 conf = NULL;
03262 }
03263 trunk_ref->chan = NULL;
03264 if (ast_atomic_dec_and_test((int *) &trunk_ref->trunk->active_stations) &&
03265 trunk_ref->state != SLA_TRUNK_STATE_ONHOLD_BYME) {
03266 strncat(conf_name, "|K", sizeof(conf_name) - strlen(conf_name) - 1);
03267 admin_exec(NULL, conf_name);
03268 trunk_ref->trunk->hold_stations = 0;
03269 sla_change_trunk_state(trunk_ref->trunk, SLA_TRUNK_STATE_IDLE, ALL_TRUNK_REFS, NULL);
03270 }
03271
03272 ast_dial_join(station->dial);
03273 ast_dial_destroy(station->dial);
03274 station->dial = NULL;
03275
03276 return NULL;
03277 }
03278
03279 static void sla_stop_ringing_trunk(struct sla_ringing_trunk *ringing_trunk)
03280 {
03281 char buf[80];
03282 struct sla_station_ref *station_ref;
03283
03284 snprintf(buf, sizeof(buf), "SLA_%s|K", ringing_trunk->trunk->name);
03285 admin_exec(NULL, buf);
03286 sla_change_trunk_state(ringing_trunk->trunk, SLA_TRUNK_STATE_IDLE, ALL_TRUNK_REFS, NULL);
03287
03288 while ((station_ref = AST_LIST_REMOVE_HEAD(&ringing_trunk->timed_out_stations, entry)))
03289 free(station_ref);
03290
03291 free(ringing_trunk);
03292 }
03293
03294 static void sla_stop_ringing_station(struct sla_ringing_station *ringing_station,
03295 enum sla_station_hangup hangup)
03296 {
03297 struct sla_ringing_trunk *ringing_trunk;
03298 struct sla_trunk_ref *trunk_ref;
03299 struct sla_station_ref *station_ref;
03300
03301 ast_dial_join(ringing_station->station->dial);
03302 ast_dial_destroy(ringing_station->station->dial);
03303 ringing_station->station->dial = NULL;
03304
03305 if (hangup == SLA_STATION_HANGUP_NORMAL)
03306 goto done;
03307
03308
03309
03310
03311
03312
03313 AST_LIST_TRAVERSE(&sla.ringing_trunks, ringing_trunk, entry) {
03314 AST_LIST_TRAVERSE(&ringing_station->station->trunks, trunk_ref, entry) {
03315 if (ringing_trunk->trunk == trunk_ref->trunk)
03316 break;
03317 }
03318 if (!trunk_ref)
03319 continue;
03320 if (!(station_ref = sla_create_station_ref(ringing_station->station)))
03321 continue;
03322 AST_LIST_INSERT_TAIL(&ringing_trunk->timed_out_stations, station_ref, entry);
03323 }
03324
03325 done:
03326 free(ringing_station);
03327 }
03328
03329 static void sla_dial_state_callback(struct ast_dial *dial)
03330 {
03331 sla_queue_event(SLA_EVENT_DIAL_STATE);
03332 }
03333
03334
03335
03336
03337 static int sla_check_timed_out_station(const struct sla_ringing_trunk *ringing_trunk,
03338 const struct sla_station *station)
03339 {
03340 struct sla_station_ref *timed_out_station;
03341
03342 AST_LIST_TRAVERSE(&ringing_trunk->timed_out_stations, timed_out_station, entry) {
03343 if (station == timed_out_station->station)
03344 return 1;
03345 }
03346
03347 return 0;
03348 }
03349
03350
03351
03352
03353
03354
03355
03356
03357
03358 static struct sla_ringing_trunk *sla_choose_ringing_trunk(struct sla_station *station,
03359 struct sla_trunk_ref **trunk_ref, int remove)
03360 {
03361 struct sla_trunk_ref *s_trunk_ref;
03362 struct sla_ringing_trunk *ringing_trunk = NULL;
03363
03364 AST_LIST_TRAVERSE(&station->trunks, s_trunk_ref, entry) {
03365 AST_LIST_TRAVERSE_SAFE_BEGIN(&sla.ringing_trunks, ringing_trunk, entry) {
03366
03367 if (s_trunk_ref->trunk != ringing_trunk->trunk)
03368 continue;
03369
03370
03371
03372 if (sla_check_timed_out_station(ringing_trunk, station))
03373 continue;
03374
03375 if (remove)
03376 AST_LIST_REMOVE_CURRENT(&sla.ringing_trunks, entry);
03377
03378 if (trunk_ref)
03379 *trunk_ref = s_trunk_ref;
03380
03381 break;
03382 }
03383 AST_LIST_TRAVERSE_SAFE_END
03384
03385 if (ringing_trunk)
03386 break;
03387 }
03388
03389 return ringing_trunk;
03390 }
03391
03392 static void sla_handle_dial_state_event(void)
03393 {
03394 struct sla_ringing_station *ringing_station;
03395
03396 AST_LIST_TRAVERSE_SAFE_BEGIN(&sla.ringing_stations, ringing_station, entry) {
03397 struct sla_trunk_ref *s_trunk_ref = NULL;
03398 struct sla_ringing_trunk *ringing_trunk = NULL;
03399 struct run_station_args args;
03400 enum ast_dial_result dial_res;
03401 pthread_attr_t attr;
03402 pthread_t dont_care;
03403 ast_mutex_t cond_lock;
03404 ast_cond_t cond;
03405
03406 switch ((dial_res = ast_dial_state(ringing_station->station->dial))) {
03407 case AST_DIAL_RESULT_HANGUP:
03408 case AST_DIAL_RESULT_INVALID:
03409 case AST_DIAL_RESULT_FAILED:
03410 case AST_DIAL_RESULT_TIMEOUT:
03411 case AST_DIAL_RESULT_UNANSWERED:
03412 AST_LIST_REMOVE_CURRENT(&sla.ringing_stations, entry);
03413 sla_stop_ringing_station(ringing_station, SLA_STATION_HANGUP_NORMAL);
03414 break;
03415 case AST_DIAL_RESULT_ANSWERED:
03416 AST_LIST_REMOVE_CURRENT(&sla.ringing_stations, entry);
03417
03418 ast_mutex_lock(&sla.lock);
03419 ringing_trunk = sla_choose_ringing_trunk(ringing_station->station, &s_trunk_ref, 1);
03420 ast_mutex_unlock(&sla.lock);
03421 if (!ringing_trunk) {
03422 ast_log(LOG_DEBUG, "Found no ringing trunk for station '%s' to answer!\n",
03423 ringing_station->station->name);
03424 break;
03425 }
03426
03427 s_trunk_ref->chan = ast_dial_answered(ringing_station->station->dial);
03428
03429 ast_answer(ringing_trunk->trunk->chan);
03430 sla_change_trunk_state(ringing_trunk->trunk, SLA_TRUNK_STATE_UP, ALL_TRUNK_REFS, NULL);
03431
03432
03433
03434 args.trunk_ref = s_trunk_ref;
03435 args.station = ringing_station->station;
03436 args.cond = &cond;
03437 args.cond_lock = &cond_lock;
03438 free(ringing_trunk);
03439 free(ringing_station);
03440 ast_mutex_init(&cond_lock);
03441 ast_cond_init(&cond, NULL);
03442 pthread_attr_init(&attr);
03443 pthread_attr_setdetachstate(&attr, PTHREAD_CREATE_DETACHED);
03444 ast_mutex_lock(&cond_lock);
03445 ast_pthread_create_background(&dont_care, &attr, run_station, &args);
03446 ast_cond_wait(&cond, &cond_lock);
03447 ast_mutex_unlock(&cond_lock);
03448 ast_mutex_destroy(&cond_lock);
03449 ast_cond_destroy(&cond);
03450 pthread_attr_destroy(&attr);
03451 break;
03452 case AST_DIAL_RESULT_TRYING:
03453 case AST_DIAL_RESULT_RINGING:
03454 case AST_DIAL_RESULT_PROGRESS:
03455 case AST_DIAL_RESULT_PROCEEDING:
03456 break;
03457 }
03458 if (dial_res == AST_DIAL_RESULT_ANSWERED) {
03459
03460 sla_queue_event(SLA_EVENT_RINGING_TRUNK);
03461 sla_queue_event(SLA_EVENT_DIAL_STATE);
03462 break;
03463 }
03464 }
03465 AST_LIST_TRAVERSE_SAFE_END
03466 }
03467
03468
03469
03470
03471 static int sla_check_ringing_station(const struct sla_station *station)
03472 {
03473 struct sla_ringing_station *ringing_station;
03474
03475 AST_LIST_TRAVERSE(&sla.ringing_stations, ringing_station, entry) {
03476 if (station == ringing_station->station)
03477 return 1;
03478 }
03479
03480 return 0;
03481 }
03482
03483
03484
03485
03486 static int sla_check_failed_station(const struct sla_station *station)
03487 {
03488 struct sla_failed_station *failed_station;
03489 int res = 0;
03490
03491 AST_LIST_TRAVERSE_SAFE_BEGIN(&sla.failed_stations, failed_station, entry) {
03492 if (station != failed_station->station)
03493 continue;
03494 if (ast_tvdiff_ms(ast_tvnow(), failed_station->last_try) > 1000) {
03495 AST_LIST_REMOVE_CURRENT(&sla.failed_stations, entry);
03496 free(failed_station);
03497 break;
03498 }
03499 res = 1;
03500 }
03501 AST_LIST_TRAVERSE_SAFE_END
03502
03503 return res;
03504 }
03505
03506
03507
03508
03509 static int sla_ring_station(struct sla_ringing_trunk *ringing_trunk, struct sla_station *station)
03510 {
03511 char *tech, *tech_data;
03512 struct ast_dial *dial;
03513 struct sla_ringing_station *ringing_station;
03514 const char *cid_name = NULL, *cid_num = NULL;
03515 enum ast_dial_result res;
03516
03517 if (!(dial = ast_dial_create()))
03518 return -1;
03519
03520 ast_dial_set_state_callback(dial, sla_dial_state_callback);
03521 tech_data = ast_strdupa(station->device);
03522 tech = strsep(&tech_data, "/");
03523
03524 if (ast_dial_append(dial, tech, tech_data) == -1) {
03525 ast_dial_destroy(dial);
03526 return -1;
03527 }
03528
03529 if (!sla.attempt_callerid && !ast_strlen_zero(ringing_trunk->trunk->chan->cid.cid_name)) {
03530 cid_name = ast_strdupa(ringing_trunk->trunk->chan->cid.cid_name);
03531 free(ringing_trunk->trunk->chan->cid.cid_name);
03532 ringing_trunk->trunk->chan->cid.cid_name = NULL;
03533 }
03534 if (!sla.attempt_callerid && !ast_strlen_zero(ringing_trunk->trunk->chan->cid.cid_num)) {
03535 cid_num = ast_strdupa(ringing_trunk->trunk->chan->cid.cid_num);
03536 free(ringing_trunk->trunk->chan->cid.cid_num);
03537 ringing_trunk->trunk->chan->cid.cid_num = NULL;
03538 }
03539
03540 res = ast_dial_run(dial, ringing_trunk->trunk->chan, 1);
03541
03542 if (cid_name)
03543 ringing_trunk->trunk->chan->cid.cid_name = ast_strdup(cid_name);
03544 if (cid_num)
03545 ringing_trunk->trunk->chan->cid.cid_num = ast_strdup(cid_num);
03546
03547 if (res != AST_DIAL_RESULT_TRYING) {
03548 struct sla_failed_station *failed_station;
03549 ast_dial_destroy(dial);
03550 if (!(failed_station = ast_calloc(1, sizeof(*failed_station))))
03551 return -1;
03552 failed_station->station = station;
03553 failed_station->last_try = ast_tvnow();
03554 AST_LIST_INSERT_HEAD(&sla.failed_stations, failed_station, entry);
03555 return -1;
03556 }
03557 if (!(ringing_station = sla_create_ringing_station(station))) {
03558 ast_dial_join(dial);
03559 ast_dial_destroy(dial);
03560 return -1;
03561 }
03562
03563 station->dial = dial;
03564
03565 AST_LIST_INSERT_HEAD(&sla.ringing_stations, ringing_station, entry);
03566
03567 return 0;
03568 }
03569
03570
03571
03572 static int sla_check_inuse_station(const struct sla_station *station)
03573 {
03574 struct sla_trunk_ref *trunk_ref;
03575
03576 AST_LIST_TRAVERSE(&station->trunks, trunk_ref, entry) {
03577 if (trunk_ref->chan)
03578 return 1;
03579 }
03580
03581 return 0;
03582 }
03583
03584 static struct sla_trunk_ref *sla_find_trunk_ref(const struct sla_station *station,
03585 const struct sla_trunk *trunk)
03586 {
03587 struct sla_trunk_ref *trunk_ref = NULL;
03588
03589 AST_LIST_TRAVERSE(&station->trunks, trunk_ref, entry) {
03590 if (trunk_ref->trunk == trunk)
03591 break;
03592 }
03593
03594 return trunk_ref;
03595 }
03596
03597
03598
03599
03600
03601
03602 static int sla_check_station_delay(struct sla_station *station,
03603 struct sla_ringing_trunk *ringing_trunk)
03604 {
03605 struct sla_trunk_ref *trunk_ref;
03606 unsigned int delay = UINT_MAX;
03607 int time_left, time_elapsed;
03608
03609 if (!ringing_trunk)
03610 ringing_trunk = sla_choose_ringing_trunk(station, &trunk_ref, 0);
03611 else
03612 trunk_ref = sla_find_trunk_ref(station, ringing_trunk->trunk);
03613
03614 if (!ringing_trunk || !trunk_ref)
03615 return delay;
03616
03617
03618
03619
03620 delay = trunk_ref->ring_delay;
03621 if (!delay)
03622 delay = station->ring_delay;
03623 if (!delay)
03624 return INT_MAX;
03625
03626 time_elapsed = ast_tvdiff_ms(ast_tvnow(), ringing_trunk->ring_begin);
03627 time_left = (delay * 1000) - time_elapsed;
03628
03629 return time_left;
03630 }
03631
03632
03633
03634
03635 static void sla_ring_stations(void)
03636 {
03637 struct sla_station_ref *station_ref;
03638 struct sla_ringing_trunk *ringing_trunk;
03639
03640
03641
03642 AST_LIST_TRAVERSE(&sla.ringing_trunks, ringing_trunk, entry) {
03643 AST_LIST_TRAVERSE(&ringing_trunk->trunk->stations, station_ref, entry) {
03644 int time_left;
03645
03646
03647 if (sla_check_ringing_station(station_ref->station))
03648 continue;
03649
03650
03651 if (sla_check_inuse_station(station_ref->station))
03652 continue;
03653
03654
03655
03656 if (sla_check_failed_station(station_ref->station))
03657 continue;
03658
03659
03660
03661 if (sla_check_timed_out_station(ringing_trunk, station_ref->station))
03662 continue;
03663
03664
03665 time_left = sla_check_station_delay(station_ref->station, ringing_trunk);
03666 if (time_left != INT_MAX && time_left > 0)
03667 continue;
03668
03669
03670 sla_ring_station(ringing_trunk, station_ref->station);
03671 }
03672 }
03673
03674 }
03675
03676 static void sla_hangup_stations(void)
03677 {
03678 struct sla_trunk_ref *trunk_ref;
03679 struct sla_ringing_station *ringing_station;
03680
03681 AST_LIST_TRAVERSE_SAFE_BEGIN(&sla.ringing_stations, ringing_station, entry) {
03682 AST_LIST_TRAVERSE(&ringing_station->station->trunks, trunk_ref, entry) {
03683 struct sla_ringing_trunk *ringing_trunk;
03684 ast_mutex_lock(&sla.lock);
03685 AST_LIST_TRAVERSE(&sla.ringing_trunks, ringing_trunk, entry) {
03686 if (trunk_ref->trunk == ringing_trunk->trunk)
03687 break;
03688 }
03689 ast_mutex_unlock(&sla.lock);
03690 if (ringing_trunk)
03691 break;
03692 }
03693 if (!trunk_ref) {
03694 AST_LIST_REMOVE_CURRENT(&sla.ringing_stations, entry);
03695 ast_dial_join(ringing_station->station->dial);
03696 ast_dial_destroy(ringing_station->station->dial);
03697 ringing_station->station->dial = NULL;
03698 free(ringing_station);
03699 }
03700 }
03701 AST_LIST_TRAVERSE_SAFE_END
03702 }
03703
03704 static void sla_handle_ringing_trunk_event(void)
03705 {
03706 ast_mutex_lock(&sla.lock);
03707 sla_ring_stations();
03708 ast_mutex_unlock(&sla.lock);
03709
03710
03711 sla_hangup_stations();
03712 }
03713
03714 static void sla_handle_hold_event(struct sla_event *event)
03715 {
03716 ast_atomic_fetchadd_int((int *) &event->trunk_ref->trunk->hold_stations, 1);
03717 event->trunk_ref->state = SLA_TRUNK_STATE_ONHOLD_BYME;
03718 ast_device_state_changed("SLA:%s_%s",
03719 event->station->name, event->trunk_ref->trunk->name);
03720 sla_change_trunk_state(event->trunk_ref->trunk, SLA_TRUNK_STATE_ONHOLD,
03721 INACTIVE_TRUNK_REFS, event->trunk_ref);
03722
03723 if (event->trunk_ref->trunk->active_stations == 1) {
03724
03725
03726 event->trunk_ref->trunk->on_hold = 1;
03727 ast_indicate(event->trunk_ref->trunk->chan, AST_CONTROL_HOLD);
03728 }
03729
03730 ast_softhangup(event->trunk_ref->chan, AST_CAUSE_NORMAL);
03731 event->trunk_ref->chan = NULL;
03732 }
03733
03734
03735
03736
03737
03738 static int sla_calc_trunk_timeouts(unsigned int *timeout)
03739 {
03740 struct sla_ringing_trunk *ringing_trunk;
03741 int res = 0;
03742
03743 AST_LIST_TRAVERSE_SAFE_BEGIN(&sla.ringing_trunks, ringing_trunk, entry) {
03744 int time_left, time_elapsed;
03745 if (!ringing_trunk->trunk->ring_timeout)
03746 continue;
03747 time_elapsed = ast_tvdiff_ms(ast_tvnow(), ringing_trunk->ring_begin);
03748 time_left = (ringing_trunk->trunk->ring_timeout * 1000) - time_elapsed;
03749 if (time_left <= 0) {
03750 pbx_builtin_setvar_helper(ringing_trunk->trunk->chan, "SLATRUNK_STATUS", "RINGTIMEOUT");
03751 AST_LIST_REMOVE_CURRENT(&sla.ringing_trunks, entry);
03752 sla_stop_ringing_trunk(ringing_trunk);
03753 res = 1;
03754 continue;
03755 }
03756 if (time_left < *timeout)
03757 *timeout = time_left;
03758 }
03759 AST_LIST_TRAVERSE_SAFE_END
03760
03761 return res;
03762 }
03763
03764
03765
03766
03767
03768 static int sla_calc_station_timeouts(unsigned int *timeout)
03769 {
03770 struct sla_ringing_trunk *ringing_trunk;
03771 struct sla_ringing_station *ringing_station;
03772 int res = 0;
03773
03774 AST_LIST_TRAVERSE_SAFE_BEGIN(&sla.ringing_stations, ringing_station, entry) {
03775 unsigned int ring_timeout = 0;
03776 int time_elapsed, time_left = INT_MAX, final_trunk_time_left = INT_MIN;
03777 struct sla_trunk_ref *trunk_ref;
03778
03779
03780
03781
03782 AST_LIST_TRAVERSE(&ringing_station->station->trunks, trunk_ref, entry) {
03783 struct sla_station_ref *station_ref;
03784 int trunk_time_elapsed, trunk_time_left;
03785
03786 AST_LIST_TRAVERSE(&sla.ringing_trunks, ringing_trunk, entry) {
03787 if (ringing_trunk->trunk == trunk_ref->trunk)
03788 break;
03789 }
03790 if (!ringing_trunk)
03791 continue;
03792
03793
03794
03795 if (!trunk_ref->ring_timeout)
03796 break;
03797
03798
03799
03800
03801 AST_LIST_TRAVERSE(&ringing_trunk->timed_out_stations, station_ref, entry) {
03802 if (station_ref->station == ringing_station->station)
03803 break;
03804 }
03805 if (station_ref)
03806 continue;
03807
03808 trunk_time_elapsed = ast_tvdiff_ms(ast_tvnow(), ringing_trunk->ring_begin);
03809 trunk_time_left = (trunk_ref->ring_timeout * 1000) - trunk_time_elapsed;
03810 if (trunk_time_left > final_trunk_time_left)
03811 final_trunk_time_left = trunk_time_left;
03812 }
03813
03814
03815 if (final_trunk_time_left == INT_MIN && !ringing_station->station->ring_timeout)
03816 continue;
03817
03818
03819 if (ringing_station->station->ring_timeout) {
03820 ring_timeout = ringing_station->station->ring_timeout;
03821 time_elapsed = ast_tvdiff_ms(ast_tvnow(), ringing_station->ring_begin);
03822 time_left = (ring_timeout * 1000) - time_elapsed;
03823 }
03824
03825
03826
03827 if (final_trunk_time_left > INT_MIN && final_trunk_time_left < time_left)
03828 time_left = final_trunk_time_left;
03829
03830
03831 if (time_left <= 0) {
03832 AST_LIST_REMOVE_CURRENT(&sla.ringing_stations, entry);
03833 sla_stop_ringing_station(ringing_station, SLA_STATION_HANGUP_TIMEOUT);
03834 res = 1;
03835 continue;
03836 }
03837
03838
03839
03840 if (time_left < *timeout)
03841 *timeout = time_left;
03842 }
03843 AST_LIST_TRAVERSE_SAFE_END
03844
03845 return res;
03846 }
03847
03848
03849
03850
03851 static int sla_calc_station_delays(unsigned int *timeout)
03852 {
03853 struct sla_station *station;
03854 int res = 0;
03855
03856 AST_LIST_TRAVERSE(&sla_stations, station, entry) {
03857 struct sla_ringing_trunk *ringing_trunk;
03858 int time_left;
03859
03860
03861 if (sla_check_ringing_station(station))
03862 continue;
03863
03864
03865 if (sla_check_inuse_station(station))
03866 continue;
03867
03868
03869 if (!(ringing_trunk = sla_choose_ringing_trunk(station, NULL, 0)))
03870 continue;
03871
03872 if ((time_left = sla_check_station_delay(station, ringing_trunk)) == INT_MAX)
03873 continue;
03874
03875
03876
03877
03878 if (time_left <= 0) {
03879 res = 1;
03880 continue;
03881 }
03882
03883 if (time_left < *timeout)
03884 *timeout = time_left;
03885 }
03886
03887 return res;
03888 }
03889
03890
03891
03892 static int sla_process_timers(struct timespec *ts)
03893 {
03894 unsigned int timeout = UINT_MAX;
03895 struct timeval tv;
03896 unsigned int change_made = 0;
03897
03898
03899 if (sla_calc_trunk_timeouts(&timeout))
03900 change_made = 1;
03901
03902
03903 if (sla_calc_station_timeouts(&timeout))
03904 change_made = 1;
03905
03906
03907 if (sla_calc_station_delays(&timeout))
03908 change_made = 1;
03909
03910
03911 if (change_made)
03912 sla_queue_event_nolock(SLA_EVENT_RINGING_TRUNK);
03913
03914
03915 if (timeout == UINT_MAX)
03916 return 0;
03917
03918 if (ts) {
03919 tv = ast_tvadd(ast_tvnow(), ast_samp2tv(timeout, 1000));
03920 ts->tv_sec = tv.tv_sec;
03921 ts->tv_nsec = tv.tv_usec * 1000;
03922 }
03923
03924 return 1;
03925 }
03926
03927 static void *sla_thread(void *data)
03928 {
03929 struct sla_failed_station *failed_station;
03930 struct sla_ringing_station *ringing_station;
03931
03932 ast_mutex_lock(&sla.lock);
03933
03934 while (!sla.stop) {
03935 struct sla_event *event;
03936 struct timespec ts = { 0, };
03937 unsigned int have_timeout = 0;
03938
03939 if (AST_LIST_EMPTY(&sla.event_q)) {
03940 if ((have_timeout = sla_process_timers(&ts)))
03941 ast_cond_timedwait(&sla.cond, &sla.lock, &ts);
03942 else
03943 ast_cond_wait(&sla.cond, &sla.lock);
03944 if (sla.stop)
03945 break;
03946 }
03947
03948 if (have_timeout)
03949 sla_process_timers(NULL);
03950
03951 while ((event = AST_LIST_REMOVE_HEAD(&sla.event_q, entry))) {
03952 ast_mutex_unlock(&sla.lock);
03953 switch (event->type) {
03954 case SLA_EVENT_HOLD:
03955 sla_handle_hold_event(event);
03956 break;
03957 case SLA_EVENT_DIAL_STATE:
03958 sla_handle_dial_state_event();
03959 break;
03960 case SLA_EVENT_RINGING_TRUNK:
03961 sla_handle_ringing_trunk_event();
03962 break;
03963 }
03964 free(event);
03965 ast_mutex_lock(&sla.lock);
03966 }
03967 }
03968
03969 ast_mutex_unlock(&sla.lock);
03970
03971 while ((ringing_station = AST_LIST_REMOVE_HEAD(&sla.ringing_stations, entry)))
03972 free(ringing_station);
03973
03974 while ((failed_station = AST_LIST_REMOVE_HEAD(&sla.failed_stations, entry)))
03975 free(failed_station);
03976
03977 return NULL;
03978 }
03979
03980 struct dial_trunk_args {
03981 struct sla_trunk_ref *trunk_ref;
03982 struct sla_station *station;
03983 ast_mutex_t *cond_lock;
03984 ast_cond_t *cond;
03985 };
03986
03987 static void *dial_trunk(void *data)
03988 {
03989 struct dial_trunk_args *args = data;
03990 struct ast_dial *dial;
03991 char *tech, *tech_data;
03992 enum ast_dial_result dial_res;
03993 char conf_name[MAX_CONFNUM];
03994 struct ast_conference *conf;
03995 struct ast_flags conf_flags = { 0 };
03996 struct sla_trunk_ref *trunk_ref = args->trunk_ref;
03997 const char *cid_name = NULL, *cid_num = NULL;
03998
03999 if (!(dial = ast_dial_create())) {
04000 ast_mutex_lock(args->cond_lock);
04001 ast_cond_signal(args->cond);
04002 ast_mutex_unlock(args->cond_lock);
04003 return NULL;
04004 }
04005
04006 tech_data = ast_strdupa(trunk_ref->trunk->device);
04007 tech = strsep(&tech_data, "/");
04008 if (ast_dial_append(dial, tech, tech_data) == -1) {
04009 ast_mutex_lock(args->cond_lock);
04010 ast_cond_signal(args->cond);
04011 ast_mutex_unlock(args->cond_lock);
04012 ast_dial_destroy(dial);
04013 return NULL;
04014 }
04015
04016 if (!sla.attempt_callerid && !ast_strlen_zero(trunk_ref->chan->cid.cid_name)) {
04017 cid_name = ast_strdupa(trunk_ref->chan->cid.cid_name);
04018 free(trunk_ref->chan->cid.cid_name);
04019 trunk_ref->chan->cid.cid_name = NULL;
04020 }
04021 if (!sla.attempt_callerid && !ast_strlen_zero(trunk_ref->chan->cid.cid_num)) {
04022 cid_num = ast_strdupa(trunk_ref->chan->cid.cid_num);
04023 free(trunk_ref->chan->cid.cid_num);
04024 trunk_ref->chan->cid.cid_num = NULL;
04025 }
04026
04027 dial_res = ast_dial_run(dial, trunk_ref->chan, 1);
04028
04029 if (cid_name)
04030 trunk_ref->chan->cid.cid_name = ast_strdup(cid_name);
04031 if (cid_num)
04032 trunk_ref->chan->cid.cid_num = ast_strdup(cid_num);
04033
04034 if (dial_res != AST_DIAL_RESULT_TRYING) {
04035 ast_mutex_lock(args->cond_lock);
04036 ast_cond_signal(args->cond);
04037 ast_mutex_unlock(args->cond_lock);
04038 ast_dial_destroy(dial);
04039 return NULL;
04040 }
04041
04042 for (;;) {
04043 unsigned int done = 0;
04044 switch ((dial_res = ast_dial_state(dial))) {
04045 case AST_DIAL_RESULT_ANSWERED:
04046 trunk_ref->trunk->chan = ast_dial_answered(dial);
04047 case AST_DIAL_RESULT_HANGUP:
04048 case AST_DIAL_RESULT_INVALID:
04049 case AST_DIAL_RESULT_FAILED:
04050 case AST_DIAL_RESULT_TIMEOUT:
04051 case AST_DIAL_RESULT_UNANSWERED:
04052 done = 1;
04053 case AST_DIAL_RESULT_TRYING:
04054 case AST_DIAL_RESULT_RINGING:
04055 case AST_DIAL_RESULT_PROGRESS:
04056 case AST_DIAL_RESULT_PROCEEDING:
04057 break;
04058 }
04059 if (done)
04060 break;
04061 }
04062
04063 if (!trunk_ref->trunk->chan) {
04064 ast_mutex_lock(args->cond_lock);
04065 ast_cond_signal(args->cond);
04066 ast_mutex_unlock(args->cond_lock);
04067 ast_dial_join(dial);
04068 ast_dial_destroy(dial);
04069 return NULL;
04070 }
04071
04072 snprintf(conf_name, sizeof(conf_name), "SLA_%s", trunk_ref->trunk->name);
04073 ast_set_flag(&conf_flags,
04074 CONFFLAG_QUIET | CONFFLAG_MARKEDEXIT | CONFFLAG_MARKEDUSER |
04075 CONFFLAG_PASS_DTMF | CONFFLAG_SLA_TRUNK);
04076 conf = build_conf(conf_name, "", "", 1, 1, 1);
04077
04078 ast_mutex_lock(args->cond_lock);
04079 ast_cond_signal(args->cond);
04080 ast_mutex_unlock(args->cond_lock);
04081
04082 if (conf) {
04083 conf_run(trunk_ref->trunk->chan, conf, conf_flags.flags, NULL);
04084 dispose_conf(conf);
04085 conf = NULL;
04086 }
04087
04088
04089 sla_change_trunk_state(trunk_ref->trunk, SLA_TRUNK_STATE_IDLE, ALL_TRUNK_REFS, NULL);
04090
04091 trunk_ref->trunk->chan = NULL;
04092 trunk_ref->trunk->on_hold = 0;
04093
04094 ast_dial_join(dial);
04095 ast_dial_destroy(dial);
04096
04097 return NULL;
04098 }
04099
04100
04101
04102 static struct sla_trunk_ref *sla_choose_idle_trunk(const struct sla_station *station)
04103 {
04104 struct sla_trunk_ref *trunk_ref = NULL;
04105
04106 AST_LIST_TRAVERSE(&station->trunks, trunk_ref, entry) {
04107 if (trunk_ref->state == SLA_TRUNK_STATE_IDLE)
04108 break;
04109 }
04110
04111 return trunk_ref;
04112 }
04113
04114 static int sla_station_exec(struct ast_channel *chan, void *data)
04115 {
04116 char *station_name, *trunk_name;
04117 struct sla_station *station;
04118 struct sla_trunk_ref *trunk_ref = NULL;
04119 char conf_name[MAX_CONFNUM];
04120 struct ast_flags conf_flags = { 0 };
04121 struct ast_conference *conf;
04122
04123 if (ast_strlen_zero(data)) {
04124 ast_log(LOG_WARNING, "Invalid Arguments to SLAStation!\n");
04125 pbx_builtin_setvar_helper(chan, "SLASTATION_STATUS", "FAILURE");
04126 return 0;
04127 }
04128
04129 trunk_name = ast_strdupa(data);
04130 station_name = strsep(&trunk_name, "_");
04131
04132 if (ast_strlen_zero(station_name)) {
04133 ast_log(LOG_WARNING, "Invalid Arguments to SLAStation!\n");
04134 pbx_builtin_setvar_helper(chan, "SLASTATION_STATUS", "FAILURE");
04135 return 0;
04136 }
04137
04138 AST_RWLIST_RDLOCK(&sla_stations);
04139 station = sla_find_station(station_name);
04140 AST_RWLIST_UNLOCK(&sla_stations);
04141
04142 if (!station) {
04143 ast_log(LOG_WARNING, "Station '%s' not found!\n", station_name);
04144 pbx_builtin_setvar_helper(chan, "SLASTATION_STATUS", "FAILURE");
04145 return 0;
04146 }
04147
04148 AST_RWLIST_RDLOCK(&sla_trunks);
04149 if (!ast_strlen_zero(trunk_name)) {
04150 trunk_ref = sla_find_trunk_ref_byname(station, trunk_name);
04151 } else
04152 trunk_ref = sla_choose_idle_trunk(station);
04153 AST_RWLIST_UNLOCK(&sla_trunks);
04154
04155 if (!trunk_ref) {
04156 if (ast_strlen_zero(trunk_name))
04157 ast_log(LOG_NOTICE, "No trunks available for call.\n");
04158 else {
04159 ast_log(LOG_NOTICE, "Can't join existing call on trunk "
04160 "'%s' due to access controls.\n", trunk_name);
04161 }
04162 pbx_builtin_setvar_helper(chan, "SLASTATION_STATUS", "CONGESTION");
04163 return 0;
04164 }
04165
04166 if (trunk_ref->state == SLA_TRUNK_STATE_ONHOLD_BYME) {
04167 if (ast_atomic_dec_and_test((int *) &trunk_ref->trunk->hold_stations) == 1)
04168 sla_change_trunk_state(trunk_ref->trunk, SLA_TRUNK_STATE_UP, ALL_TRUNK_REFS, NULL);
04169 else {
04170 trunk_ref->state = SLA_TRUNK_STATE_UP;
04171 ast_device_state_changed("SLA:%s_%s", station->name, trunk_ref->trunk->name);
04172 }
04173 }
04174
04175 trunk_ref->chan = chan;
04176
04177 if (!trunk_ref->trunk->chan) {
04178 ast_mutex_t cond_lock;
04179 ast_cond_t cond;
04180 pthread_t dont_care;
04181 pthread_attr_t attr;
04182 struct dial_trunk_args args = {
04183 .trunk_ref = trunk_ref,
04184 .station = station,
04185 .cond_lock = &cond_lock,
04186 .cond = &cond,
04187 };
04188 sla_change_trunk_state(trunk_ref->trunk, SLA_TRUNK_STATE_UP, ALL_TRUNK_REFS, NULL);
04189
04190
04191
04192 ast_autoservice_start(chan);
04193 ast_mutex_init(&cond_lock);
04194 ast_cond_init(&cond, NULL);
04195 pthread_attr_init(&attr);
04196 pthread_attr_setdetachstate(&attr, PTHREAD_CREATE_DETACHED);
04197 ast_mutex_lock(&cond_lock);
04198 ast_pthread_create_background(&dont_care, &attr, dial_trunk, &args);
04199 ast_cond_wait(&cond, &cond_lock);
04200 ast_mutex_unlock(&cond_lock);
04201 ast_mutex_destroy(&cond_lock);
04202 ast_cond_destroy(&cond);
04203 pthread_attr_destroy(&attr);
04204 ast_autoservice_stop(chan);
04205 if (!trunk_ref->trunk->chan) {
04206 ast_log(LOG_DEBUG, "Trunk didn't get created. chan: %lx\n", (long) trunk_ref->trunk->chan);
04207 pbx_builtin_setvar_helper(chan, "SLASTATION_STATUS", "CONGESTION");
04208 sla_change_trunk_state(trunk_ref->trunk, SLA_TRUNK_STATE_IDLE, ALL_TRUNK_REFS, NULL);
04209 trunk_ref->chan = NULL;
04210 return 0;
04211 }
04212 }
04213
04214 if (ast_atomic_fetchadd_int((int *) &trunk_ref->trunk->active_stations, 1) == 0 &&
04215 trunk_ref->trunk->on_hold) {
04216 trunk_ref->trunk->on_hold = 0;
04217 ast_indicate(trunk_ref->trunk->chan, AST_CONTROL_UNHOLD);
04218 sla_change_trunk_state(trunk_ref->trunk, SLA_TRUNK_STATE_UP, ALL_TRUNK_REFS, NULL);
04219 }
04220
04221 snprintf(conf_name, sizeof(conf_name), "SLA_%s", trunk_ref->trunk->name);
04222 ast_set_flag(&conf_flags,
04223 CONFFLAG_QUIET | CONFFLAG_MARKEDEXIT | CONFFLAG_PASS_DTMF | CONFFLAG_SLA_STATION);
04224 ast_answer(chan);
04225 conf = build_conf(conf_name, "", "", 0, 0, 1);
04226 if (conf) {
04227 conf_run(chan, conf, conf_flags.flags, NULL);
04228 dispose_conf(conf);
04229 conf = NULL;
04230 }
04231 trunk_ref->chan = NULL;
04232 if (ast_atomic_dec_and_test((int *) &trunk_ref->trunk->active_stations) &&
04233 trunk_ref->state != SLA_TRUNK_STATE_ONHOLD_BYME) {
04234 strncat(conf_name, "|K", sizeof(conf_name) - strlen(conf_name) - 1);
04235 admin_exec(NULL, conf_name);
04236 trunk_ref->trunk->hold_stations = 0;
04237 sla_change_trunk_state(trunk_ref->trunk, SLA_TRUNK_STATE_IDLE, ALL_TRUNK_REFS, NULL);
04238 }
04239
04240 pbx_builtin_setvar_helper(chan, "SLASTATION_STATUS", "SUCCESS");
04241
04242 return 0;
04243 }
04244
04245 static struct sla_trunk_ref *create_trunk_ref(struct sla_trunk *trunk)
04246 {
04247 struct sla_trunk_ref *trunk_ref;
04248
04249 if (!(trunk_ref = ast_calloc(1, sizeof(*trunk_ref))))
04250 return NULL;
04251
04252 trunk_ref->trunk = trunk;
04253
04254 return trunk_ref;
04255 }
04256
04257 static struct sla_ringing_trunk *queue_ringing_trunk(struct sla_trunk *trunk)
04258 {
04259 struct sla_ringing_trunk *ringing_trunk;
04260
04261 if (!(ringing_trunk = ast_calloc(1, sizeof(*ringing_trunk))))
04262 return NULL;
04263
04264 ringing_trunk->trunk = trunk;
04265 ringing_trunk->ring_begin = ast_tvnow();
04266
04267 sla_change_trunk_state(trunk, SLA_TRUNK_STATE_RINGING, ALL_TRUNK_REFS, NULL);
04268
04269 ast_mutex_lock(&sla.lock);
04270 AST_LIST_INSERT_HEAD(&sla.ringing_trunks, ringing_trunk, entry);
04271 ast_mutex_unlock(&sla.lock);
04272
04273 sla_queue_event(SLA_EVENT_RINGING_TRUNK);
04274
04275 return ringing_trunk;
04276 }
04277
04278 static int sla_trunk_exec(struct ast_channel *chan, void *data)
04279 {
04280 const char *trunk_name = data;
04281 char conf_name[MAX_CONFNUM];
04282 struct ast_conference *conf;
04283 struct ast_flags conf_flags = { 0 };
04284 struct sla_trunk *trunk;
04285 struct sla_ringing_trunk *ringing_trunk;
04286
04287 AST_RWLIST_RDLOCK(&sla_trunks);
04288 trunk = sla_find_trunk(trunk_name);
04289 AST_RWLIST_UNLOCK(&sla_trunks);
04290 if (!trunk) {
04291 ast_log(LOG_ERROR, "SLA Trunk '%s' not found!\n", trunk_name);
04292 pbx_builtin_setvar_helper(chan, "SLATRUNK_STATUS", "FAILURE");
04293 return 0;
04294 }
04295 if (trunk->chan) {
04296 ast_log(LOG_ERROR, "Call came in on %s, but the trunk is already in use!\n",
04297 trunk_name);
04298 pbx_builtin_setvar_helper(chan, "SLATRUNK_STATUS", "FAILURE");
04299 return 0;
04300 }
04301 trunk->chan = chan;
04302
04303 if (!(ringing_trunk = queue_ringing_trunk(trunk))) {
04304 pbx_builtin_setvar_helper(chan, "SLATRUNK_STATUS", "FAILURE");
04305 return 0;
04306 }
04307
04308 snprintf(conf_name, sizeof(conf_name), "SLA_%s", trunk_name);
04309 conf = build_conf(conf_name, "", "", 1, 1, 1);
04310 if (!conf) {
04311 pbx_builtin_setvar_helper(chan, "SLATRUNK_STATUS", "FAILURE");
04312 return 0;
04313 }
04314 ast_set_flag(&conf_flags,
04315 CONFFLAG_QUIET | CONFFLAG_MARKEDEXIT | CONFFLAG_MARKEDUSER | CONFFLAG_PASS_DTMF);
04316 ast_indicate(chan, AST_CONTROL_RINGING);
04317 conf_run(chan, conf, conf_flags.flags, NULL);
04318 dispose_conf(conf);
04319 conf = NULL;
04320 trunk->chan = NULL;
04321 trunk->on_hold = 0;
04322
04323 if (!pbx_builtin_getvar_helper(chan, "SLATRUNK_STATUS"))
04324 pbx_builtin_setvar_helper(chan, "SLATRUNK_STATUS", "SUCCESS");
04325
04326
04327 ast_mutex_lock(&sla.lock);
04328 AST_LIST_TRAVERSE_SAFE_BEGIN(&sla.ringing_trunks, ringing_trunk, entry) {
04329 if (ringing_trunk->trunk == trunk) {
04330 AST_LIST_REMOVE_CURRENT(&sla.ringing_trunks, entry);
04331 break;
04332 }
04333 }
04334 AST_LIST_TRAVERSE_SAFE_END
04335 ast_mutex_unlock(&sla.lock);
04336 if (ringing_trunk) {
04337 sla_change_trunk_state(ringing_trunk->trunk, SLA_TRUNK_STATE_IDLE, ALL_TRUNK_REFS, NULL);
04338 free(ringing_trunk);
04339 pbx_builtin_setvar_helper(chan, "SLATRUNK_STATUS", "UNANSWERED");
04340
04341
04342 sla_queue_event(SLA_EVENT_RINGING_TRUNK);
04343 }
04344
04345 return 0;
04346 }
04347
04348 static int sla_state(const char *data)
04349 {
04350 char *buf, *station_name, *trunk_name;
04351 struct sla_station *station;
04352 struct sla_trunk_ref *trunk_ref;
04353 int res = AST_DEVICE_INVALID;
04354
04355 trunk_name = buf = ast_strdupa(data);
04356 station_name = strsep(&trunk_name, "_");
04357
04358 AST_RWLIST_RDLOCK(&sla_stations);
04359 AST_LIST_TRAVERSE(&sla_stations, station, entry) {
04360 if (strcasecmp(station_name, station->name))
04361 continue;
04362 AST_RWLIST_RDLOCK(&sla_trunks);
04363 AST_LIST_TRAVERSE(&station->trunks, trunk_ref, entry) {
04364 if (!strcasecmp(trunk_name, trunk_ref->trunk->name))
04365 break;
04366 }
04367 if (!trunk_ref) {
04368 AST_RWLIST_UNLOCK(&sla_trunks);
04369 break;
04370 }
04371 switch (trunk_ref->state) {
04372 case SLA_TRUNK_STATE_IDLE:
04373 res = AST_DEVICE_NOT_INUSE;
04374 break;
04375 case SLA_TRUNK_STATE_RINGING:
04376 res = AST_DEVICE_RINGING;
04377 break;
04378 case SLA_TRUNK_STATE_UP:
04379 res = AST_DEVICE_INUSE;
04380 break;
04381 case SLA_TRUNK_STATE_ONHOLD:
04382 case SLA_TRUNK_STATE_ONHOLD_BYME:
04383 res = AST_DEVICE_ONHOLD;
04384 break;
04385 }
04386 AST_RWLIST_UNLOCK(&sla_trunks);
04387 }
04388 AST_RWLIST_UNLOCK(&sla_stations);
04389
04390 if (res == AST_DEVICE_INVALID) {
04391 ast_log(LOG_ERROR, "Could not determine state for trunk %s on station %s!\n",
04392 trunk_name, station_name);
04393 }
04394
04395 return res;
04396 }
04397
04398 static void destroy_trunk(struct sla_trunk *trunk)
04399 {
04400 struct sla_station_ref *station_ref;
04401
04402 if (!ast_strlen_zero(trunk->autocontext))
04403 ast_context_remove_extension(trunk->autocontext, "s", 1, sla_registrar);
04404
04405 while ((station_ref = AST_LIST_REMOVE_HEAD(&trunk->stations, entry)))
04406 free(station_ref);
04407
04408 ast_string_field_free_all(trunk);
04409 free(trunk);
04410 }
04411
04412 static void destroy_station(struct sla_station *station)
04413 {
04414 struct sla_trunk_ref *trunk_ref;
04415
04416 if (!ast_strlen_zero(station->autocontext)) {
04417 AST_RWLIST_RDLOCK(&sla_trunks);
04418 AST_LIST_TRAVERSE(&station->trunks, trunk_ref, entry) {
04419 char exten[AST_MAX_EXTENSION];
04420 char hint[AST_MAX_APP];
04421 snprintf(exten, sizeof(exten), "%s_%s", station->name, trunk_ref->trunk->name);
04422 snprintf(hint, sizeof(hint), "SLA:%s", exten);
04423 ast_context_remove_extension(station->autocontext, exten,
04424 1, sla_registrar);
04425 ast_context_remove_extension(station->autocontext, hint,
04426 PRIORITY_HINT, sla_registrar);
04427 }
04428 AST_RWLIST_UNLOCK(&sla_trunks);
04429 }
04430
04431 while ((trunk_ref = AST_LIST_REMOVE_HEAD(&station->trunks, entry)))
04432 free(trunk_ref);
04433
04434 ast_string_field_free_all(station);
04435 free(station);
04436 }
04437
04438 static void sla_destroy(void)
04439 {
04440 struct sla_trunk *trunk;
04441 struct sla_station *station;
04442
04443 AST_RWLIST_WRLOCK(&sla_trunks);
04444 while ((trunk = AST_RWLIST_REMOVE_HEAD(&sla_trunks, entry)))
04445 destroy_trunk(trunk);
04446 AST_RWLIST_UNLOCK(&sla_trunks);
04447
04448 AST_RWLIST_WRLOCK(&sla_stations);
04449 while ((station = AST_RWLIST_REMOVE_HEAD(&sla_stations, entry)))
04450 destroy_station(station);
04451 AST_RWLIST_UNLOCK(&sla_stations);
04452
04453 if (sla.thread != AST_PTHREADT_NULL) {
04454 ast_mutex_lock(&sla.lock);
04455 sla.stop = 1;
04456 ast_cond_signal(&sla.cond);
04457 ast_mutex_unlock(&sla.lock);
04458 pthread_join(sla.thread, NULL);
04459 }
04460
04461 ast_mutex_destroy(&sla.lock);
04462 ast_cond_destroy(&sla.cond);
04463 }
04464
04465 static int sla_check_device(const char *device)
04466 {
04467 char *tech, *tech_data;
04468
04469 tech_data = ast_strdupa(device);
04470 tech = strsep(&tech_data, "/");
04471
04472 if (ast_strlen_zero(tech) || ast_strlen_zero(tech_data))
04473 return -1;
04474
04475 return 0;
04476 }
04477
04478 static int sla_build_trunk(struct ast_config *cfg, const char *cat)
04479 {
04480 struct sla_trunk *trunk;
04481 struct ast_variable *var;
04482 const char *dev;
04483
04484 if (!(dev = ast_variable_retrieve(cfg, cat, "device"))) {
04485 ast_log(LOG_ERROR, "SLA Trunk '%s' defined with no device!\n", cat);
04486 return -1;
04487 }
04488
04489 if (sla_check_device(dev)) {
04490 ast_log(LOG_ERROR, "SLA Trunk '%s' define with invalid device '%s'!\n",
04491 cat, dev);
04492 return -1;
04493 }
04494
04495 if (!(trunk = ast_calloc(1, sizeof(*trunk))))
04496 return -1;
04497 if (ast_string_field_init(trunk, 32)) {
04498 free(trunk);
04499 return -1;
04500 }
04501
04502 ast_string_field_set(trunk, name, cat);
04503 ast_string_field_set(trunk, device, dev);
04504
04505 for (var = ast_variable_browse(cfg, cat); var; var = var->next) {
04506 if (!strcasecmp(var->name, "autocontext"))
04507 ast_string_field_set(trunk, autocontext, var->value);
04508 else if (!strcasecmp(var->name, "ringtimeout")) {
04509 if (sscanf(var->value, "%u", &trunk->ring_timeout) != 1) {
04510 ast_log(LOG_WARNING, "Invalid ringtimeout '%s' specified for trunk '%s'\n",
04511 var->value, trunk->name);
04512 trunk->ring_timeout = 0;
04513 }
04514 } else if (!strcasecmp(var->name, "barge"))
04515 trunk->barge_disabled = ast_false(var->value);
04516 else if (!strcasecmp(var->name, "hold")) {
04517 if (!strcasecmp(var->value, "private"))
04518 trunk->hold_access = SLA_HOLD_PRIVATE;
04519 else if (!strcasecmp(var->value, "open"))
04520 trunk->hold_access = SLA_HOLD_OPEN;
04521 else {
04522 ast_log(LOG_WARNING, "Invalid value '%s' for hold on trunk %s\n",
04523 var->value, trunk->name);
04524 }
04525 } else if (strcasecmp(var->name, "type") && strcasecmp(var->name, "device")) {
04526 ast_log(LOG_ERROR, "Invalid option '%s' specified at line %d of %s!\n",
04527 var->name, var->lineno, SLA_CONFIG_FILE);
04528 }
04529 }
04530
04531 if (!ast_strlen_zero(trunk->autocontext)) {
04532 struct ast_context *context;
04533 context = ast_context_find_or_create(NULL, trunk->autocontext, sla_registrar);
04534 if (!context) {
04535 ast_log(LOG_ERROR, "Failed to automatically find or create "
04536 "context '%s' for SLA!\n", trunk->autocontext);
04537 destroy_trunk(trunk);
04538 return -1;
04539 }
04540 if (ast_add_extension2(context, 0 , "s", 1,
04541 NULL, NULL, slatrunk_app, ast_strdup(trunk->name), ast_free, sla_registrar)) {
04542 ast_log(LOG_ERROR, "Failed to automatically create extension "
04543 "for trunk '%s'!\n", trunk->name);
04544 destroy_trunk(trunk);
04545 return -1;
04546 }
04547 }
04548
04549 AST_RWLIST_WRLOCK(&sla_trunks);
04550 AST_RWLIST_INSERT_TAIL(&sla_trunks, trunk, entry);
04551 AST_RWLIST_UNLOCK(&sla_trunks);
04552
04553 return 0;
04554 }
04555
04556 static void sla_add_trunk_to_station(struct sla_station *station, struct ast_variable *var)
04557 {
04558 struct sla_trunk *trunk;
04559 struct sla_trunk_ref *trunk_ref;
04560 struct sla_station_ref *station_ref;
04561 char *trunk_name, *options, *cur;
04562
04563 options = ast_strdupa(var->value);
04564 trunk_name = strsep(&options, ",");
04565
04566 AST_RWLIST_RDLOCK(&sla_trunks);
04567 AST_RWLIST_TRAVERSE(&sla_trunks, trunk, entry) {
04568 if (!strcasecmp(trunk->name, trunk_name))
04569 break;
04570 }
04571
04572 AST_RWLIST_UNLOCK(&sla_trunks);
04573 if (!trunk) {
04574 ast_log(LOG_ERROR, "Trunk '%s' not found!\n", var->value);
04575 return;
04576 }
04577 if (!(trunk_ref = create_trunk_ref(trunk)))
04578 return;
04579 trunk_ref->state = SLA_TRUNK_STATE_IDLE;
04580
04581 while ((cur = strsep(&options, ","))) {
04582 char *name, *value = cur;
04583 name = strsep(&value, "=");
04584 if (!strcasecmp(name, "ringtimeout")) {
04585 if (sscanf(value, "%u", &trunk_ref->ring_timeout) != 1) {
04586 ast_log(LOG_WARNING, "Invalid ringtimeout value '%s' for "
04587 "trunk '%s' on station '%s'\n", value, trunk->name, station->name);
04588 trunk_ref->ring_timeout = 0;
04589 }
04590 } else if (!strcasecmp(name, "ringdelay")) {
04591 if (sscanf(value, "%u", &trunk_ref->ring_delay) != 1) {
04592 ast_log(LOG_WARNING, "Invalid ringdelay value '%s' for "
04593 "trunk '%s' on station '%s'\n", value, trunk->name, station->name);
04594 trunk_ref->ring_delay = 0;
04595 }
04596 } else {
04597 ast_log(LOG_WARNING, "Invalid option '%s' for "
04598 "trunk '%s' on station '%s'\n", name, trunk->name, station->name);
04599 }
04600 }
04601
04602 if (!(station_ref = sla_create_station_ref(station))) {
04603 free(trunk_ref);
04604 return;
04605 }
04606 ast_atomic_fetchadd_int((int *) &trunk->num_stations, 1);
04607 AST_RWLIST_WRLOCK(&sla_trunks);
04608 AST_LIST_INSERT_TAIL(&trunk->stations, station_ref, entry);
04609 AST_RWLIST_UNLOCK(&sla_trunks);
04610 AST_LIST_INSERT_TAIL(&station->trunks, trunk_ref, entry);
04611 }
04612
04613 static int sla_build_station(struct ast_config *cfg, const char *cat)
04614 {
04615 struct sla_station *station;
04616 struct ast_variable *var;
04617 const char *dev;
04618
04619 if (!(dev = ast_variable_retrieve(cfg, cat, "device"))) {
04620 ast_log(LOG_ERROR, "SLA Station '%s' defined with no device!\n", cat);
04621 return -1;
04622 }
04623
04624 if (!(station = ast_calloc(1, sizeof(*station))))
04625 return -1;
04626 if (ast_string_field_init(station, 32)) {
04627 free(station);
04628 return -1;
04629 }
04630
04631 ast_string_field_set(station, name, cat);
04632 ast_string_field_set(station, device, dev);
04633
04634 for (var = ast_variable_browse(cfg, cat); var; var = var->next) {
04635 if (!strcasecmp(var->name, "trunk"))
04636 sla_add_trunk_to_station(station, var);
04637 else if (!strcasecmp(var->name, "autocontext"))
04638 ast_string_field_set(station, autocontext, var->value);
04639 else if (!strcasecmp(var->name, "ringtimeout")) {
04640 if (sscanf(var->value, "%u", &station->ring_timeout) != 1) {
04641 ast_log(LOG_WARNING, "Invalid ringtimeout '%s' specified for station '%s'\n",
04642 var->value, station->name);
04643 station->ring_timeout = 0;
04644 }
04645 } else if (!strcasecmp(var->name, "ringdelay")) {
04646 if (sscanf(var->value, "%u", &station->ring_delay) != 1) {
04647 ast_log(LOG_WARNING, "Invalid ringdelay '%s' specified for station '%s'\n",
04648 var->value, station->name);
04649 station->ring_delay = 0;
04650 }
04651 } else if (!strcasecmp(var->name, "hold")) {
04652 if (!strcasecmp(var->value, "private"))
04653 station->hold_access = SLA_HOLD_PRIVATE;
04654 else if (!strcasecmp(var->value, "open"))
04655 station->hold_access = SLA_HOLD_OPEN;
04656 else {
04657 ast_log(LOG_WARNING, "Invalid value '%s' for hold on station %s\n",
04658 var->value, station->name);
04659 }
04660
04661 } else if (strcasecmp(var->name, "type") && strcasecmp(var->name, "device")) {
04662 ast_log(LOG_ERROR, "Invalid option '%s' specified at line %d of %s!\n",
04663 var->name, var->lineno, SLA_CONFIG_FILE);
04664 }
04665 }
04666
04667 if (!ast_strlen_zero(station->autocontext)) {
04668 struct ast_context *context;
04669 struct sla_trunk_ref *trunk_ref;
04670 context = ast_context_find_or_create(NULL, station->autocontext, sla_registrar);
04671 if (!context) {
04672 ast_log(LOG_ERROR, "Failed to automatically find or create "
04673 "context '%s' for SLA!\n", station->autocontext);
04674 destroy_station(station);
04675 return -1;
04676 }
04677
04678
04679 if (ast_add_extension2(context, 0 , station->name, 1,
04680 NULL, NULL, slastation_app, ast_strdup(station->name), ast_free, sla_registrar)) {
04681 ast_log(LOG_ERROR, "Failed to automatically create extension "
04682 "for trunk '%s'!\n", station->name);
04683 destroy_station(station);
04684 return -1;
04685 }
04686 AST_RWLIST_RDLOCK(&sla_trunks);
04687 AST_LIST_TRAVERSE(&station->trunks, trunk_ref, entry) {
04688 char exten[AST_MAX_EXTENSION];
04689 char hint[AST_MAX_APP];
04690 snprintf(exten, sizeof(exten), "%s_%s", station->name, trunk_ref->trunk->name);
04691 snprintf(hint, sizeof(hint), "SLA:%s", exten);
04692
04693
04694 if (ast_add_extension2(context, 0 , exten, 1,
04695 NULL, NULL, slastation_app, ast_strdup(exten), ast_free, sla_registrar)) {
04696 ast_log(LOG_ERROR, "Failed to automatically create extension "
04697 "for trunk '%s'!\n", station->name);
04698 destroy_station(station);
04699 return -1;
04700 }
04701
04702
04703 if (ast_add_extension2(context, 0 , exten, PRIORITY_HINT,
04704 NULL, NULL, hint, NULL, NULL, sla_registrar)) {
04705 ast_log(LOG_ERROR, "Failed to automatically create hint "
04706 "for trunk '%s'!\n", station->name);
04707 destroy_station(station);
04708 return -1;
04709 }
04710 }
04711 AST_RWLIST_UNLOCK(&sla_trunks);
04712 }
04713
04714 AST_RWLIST_WRLOCK(&sla_stations);
04715 AST_RWLIST_INSERT_TAIL(&sla_stations, station, entry);
04716 AST_RWLIST_UNLOCK(&sla_stations);
04717
04718 return 0;
04719 }
04720
04721 static int sla_load_config(void)
04722 {
04723 struct ast_config *cfg;
04724 const char *cat = NULL;
04725 int res = 0;
04726 const char *val;
04727
04728 ast_mutex_init(&sla.lock);
04729 ast_cond_init(&sla.cond, NULL);
04730
04731 if (!(cfg = ast_config_load(SLA_CONFIG_FILE)))
04732 return 0;
04733
04734 if ((val = ast_variable_retrieve(cfg, "general", "attemptcallerid")))
04735 sla.attempt_callerid = ast_true(val);
04736
04737 while ((cat = ast_category_browse(cfg, cat)) && !res) {
04738 const char *type;
04739 if (!strcasecmp(cat, "general"))
04740 continue;
04741 if (!(type = ast_variable_retrieve(cfg, cat, "type"))) {
04742 ast_log(LOG_WARNING, "Invalid entry in %s defined with no type!\n",
04743 SLA_CONFIG_FILE);
04744 continue;
04745 }
04746 if (!strcasecmp(type, "trunk"))
04747 res = sla_build_trunk(cfg, cat);
04748 else if (!strcasecmp(type, "station"))
04749 res = sla_build_station(cfg, cat);
04750 else {
04751 ast_log(LOG_WARNING, "Entry in %s defined with invalid type '%s'!\n",
04752 SLA_CONFIG_FILE, type);
04753 }
04754 }
04755
04756 ast_config_destroy(cfg);
04757
04758 ast_pthread_create(&sla.thread, NULL, sla_thread, NULL);
04759
04760 return res;
04761 }
04762
04763 static int load_config(int reload)
04764 {
04765 int res = 0;
04766
04767 load_config_meetme();
04768 if (!reload)
04769 res = sla_load_config();
04770
04771 return res;
04772 }
04773
04774 static int unload_module(void)
04775 {
04776 int res = 0;
04777
04778 ast_cli_unregister_multiple(cli_meetme, ARRAY_LEN(cli_meetme));
04779 res = ast_manager_unregister("MeetmeMute");
04780 res |= ast_manager_unregister("MeetmeUnmute");
04781 res |= ast_unregister_application(app3);
04782 res |= ast_unregister_application(app2);
04783 res |= ast_unregister_application(app);
04784 res |= ast_unregister_application(slastation_app);
04785 res |= ast_unregister_application(slatrunk_app);
04786
04787 ast_devstate_prov_del("Meetme");
04788 ast_devstate_prov_del("SLA");
04789
04790 ast_module_user_hangup_all();
04791
04792 sla_destroy();
04793
04794 return res;
04795 }
04796
04797 static int load_module(void)
04798 {
04799 int res = 0;
04800
04801 res |= load_config(0);
04802
04803 ast_cli_register_multiple(cli_meetme, ARRAY_LEN(cli_meetme));
04804 res |= ast_manager_register("MeetmeMute", EVENT_FLAG_CALL,
04805 action_meetmemute, "Mute a Meetme user");
04806 res |= ast_manager_register("MeetmeUnmute", EVENT_FLAG_CALL,
04807 action_meetmeunmute, "Unmute a Meetme user");
04808 res |= ast_register_application(app3, admin_exec, synopsis3, descrip3);
04809 res |= ast_register_application(app2, count_exec, synopsis2, descrip2);
04810 res |= ast_register_application(app, conf_exec, synopsis, descrip);
04811 res |= ast_register_application(slastation_app, sla_station_exec,
04812 slastation_synopsis, slastation_desc);
04813 res |= ast_register_application(slatrunk_app, sla_trunk_exec,
04814 slatrunk_synopsis, slatrunk_desc);
04815
04816 res |= ast_devstate_prov_add("Meetme", meetmestate);
04817 res |= ast_devstate_prov_add("SLA", sla_state);
04818
04819 return res;
04820 }
04821
04822 static int reload(void)
04823 {
04824 return load_config(1);
04825 }
04826
04827 AST_MODULE_INFO(ASTERISK_GPL_KEY, AST_MODFLAG_DEFAULT, "MeetMe conference bridge",
04828 .load = load_module,
04829 .unload = unload_module,
04830 .reload = reload,
04831 );
04832