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00036 #include "asterisk.h"
00037
00038 ASTERISK_FILE_VERSION(__FILE__, "$Revision: 165991 $")
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 <sys/stat.h>
00047 #include <sys/types.h>
00048
00049 #include "asterisk/lock.h"
00050 #include "asterisk/file.h"
00051 #include "asterisk/logger.h"
00052 #include "asterisk/channel.h"
00053 #include "asterisk/pbx.h"
00054 #include "asterisk/module.h"
00055 #include "asterisk/config.h"
00056 #include "asterisk/app.h"
00057 #include "asterisk/dsp.h"
00058 #include "asterisk/musiconhold.h"
00059 #include "asterisk/manager.h"
00060 #include "asterisk/options.h"
00061 #include "asterisk/cli.h"
00062 #include "asterisk/say.h"
00063 #include "asterisk/utils.h"
00064 #include "asterisk/translate.h"
00065 #include "asterisk/ulaw.h"
00066 #include "asterisk/astobj.h"
00067 #include "asterisk/astobj2.h"
00068 #include "asterisk/devicestate.h"
00069 #include "asterisk/dial.h"
00070 #include "asterisk/causes.h"
00071
00072 #include "asterisk/dahdi_compat.h"
00073
00074 #include "enter.h"
00075 #include "leave.h"
00076
00077 #define CONFIG_FILE_NAME "meetme.conf"
00078 #define SLA_CONFIG_FILE "sla.conf"
00079
00080
00081 #define DEFAULT_AUDIO_BUFFERS 32
00082
00083 enum {
00084 ADMINFLAG_MUTED = (1 << 1),
00085 ADMINFLAG_SELFMUTED = (1 << 2),
00086 ADMINFLAG_KICKME = (1 << 3)
00087 };
00088
00089 #define MEETME_DELAYDETECTTALK 300
00090 #define MEETME_DELAYDETECTENDTALK 1000
00091
00092 #define AST_FRAME_BITS 32
00093
00094 enum volume_action {
00095 VOL_UP,
00096 VOL_DOWN
00097 };
00098
00099 enum entrance_sound {
00100 ENTER,
00101 LEAVE
00102 };
00103
00104 enum recording_state {
00105 MEETME_RECORD_OFF,
00106 MEETME_RECORD_STARTED,
00107 MEETME_RECORD_ACTIVE,
00108 MEETME_RECORD_TERMINATE
00109 };
00110
00111 #define CONF_SIZE 320
00112
00113 enum {
00114
00115 CONFFLAG_ADMIN = (1 << 0),
00116
00117 CONFFLAG_MONITOR = (1 << 1),
00118
00119 CONFFLAG_POUNDEXIT = (1 << 2),
00120
00121 CONFFLAG_STARMENU = (1 << 3),
00122
00123 CONFFLAG_TALKER = (1 << 4),
00124
00125 CONFFLAG_QUIET = (1 << 5),
00126
00127
00128 CONFFLAG_ANNOUNCEUSERCOUNT = (1 << 6),
00129
00130 CONFFLAG_AGI = (1 << 7),
00131
00132 CONFFLAG_MOH = (1 << 8),
00133
00134 CONFFLAG_MARKEDEXIT = (1 << 9),
00135
00136 CONFFLAG_WAITMARKED = (1 << 10),
00137
00138 CONFFLAG_EXIT_CONTEXT = (1 << 11),
00139
00140 CONFFLAG_MARKEDUSER = (1 << 12),
00141
00142 CONFFLAG_INTROUSER = (1 << 13),
00143
00144 CONFFLAG_RECORDCONF = (1<< 14),
00145
00146 CONFFLAG_MONITORTALKER = (1 << 15),
00147 CONFFLAG_DYNAMIC = (1 << 16),
00148 CONFFLAG_DYNAMICPIN = (1 << 17),
00149 CONFFLAG_EMPTY = (1 << 18),
00150 CONFFLAG_EMPTYNOPIN = (1 << 19),
00151 CONFFLAG_ALWAYSPROMPT = (1 << 20),
00152
00153 CONFFLAG_OPTIMIZETALKER = (1 << 21),
00154
00155
00156 CONFFLAG_NOONLYPERSON = (1 << 22),
00157
00158
00159 CONFFLAG_INTROUSERNOREVIEW = (1 << 23),
00160
00161 CONFFLAG_STARTMUTED = (1 << 24),
00162
00163 CONFFLAG_PASS_DTMF = (1 << 25),
00164
00165 CONFFLAG_SLA_STATION = (1 << 26),
00166
00167 CONFFLAG_SLA_TRUNK = (1 << 27),
00168
00169 CONFFLAG_NO_AUDIO_UNTIL_UP = (1 << 28),
00170
00171 CONFFLAG_INTROMSG = (1 << 28),
00172 };
00173
00174 enum {
00175 OPT_ARG_WAITMARKED = 0,
00176 OPT_ARG_INTROMSG = 1,
00177 OPT_ARG_ARRAY_SIZE = 2,
00178 };
00179
00180 AST_APP_OPTIONS(meetme_opts, BEGIN_OPTIONS
00181 AST_APP_OPTION('A', CONFFLAG_MARKEDUSER ),
00182 AST_APP_OPTION('a', CONFFLAG_ADMIN ),
00183 AST_APP_OPTION('b', CONFFLAG_AGI ),
00184 AST_APP_OPTION('c', CONFFLAG_ANNOUNCEUSERCOUNT ),
00185 AST_APP_OPTION('D', CONFFLAG_DYNAMICPIN ),
00186 AST_APP_OPTION('d', CONFFLAG_DYNAMIC ),
00187 AST_APP_OPTION('E', CONFFLAG_EMPTYNOPIN ),
00188 AST_APP_OPTION('e', CONFFLAG_EMPTY ),
00189 AST_APP_OPTION('F', CONFFLAG_PASS_DTMF ),
00190 AST_APP_OPTION_ARG('G', CONFFLAG_INTROMSG, OPT_ARG_INTROMSG ),
00191 AST_APP_OPTION('i', CONFFLAG_INTROUSER ),
00192 AST_APP_OPTION('I', CONFFLAG_INTROUSERNOREVIEW ),
00193 AST_APP_OPTION('M', CONFFLAG_MOH ),
00194 AST_APP_OPTION('m', CONFFLAG_STARTMUTED ),
00195 AST_APP_OPTION('o', CONFFLAG_OPTIMIZETALKER ),
00196 AST_APP_OPTION('P', CONFFLAG_ALWAYSPROMPT ),
00197 AST_APP_OPTION('p', CONFFLAG_POUNDEXIT ),
00198 AST_APP_OPTION('q', CONFFLAG_QUIET ),
00199 AST_APP_OPTION('r', CONFFLAG_RECORDCONF ),
00200 AST_APP_OPTION('s', CONFFLAG_STARMENU ),
00201 AST_APP_OPTION('T', CONFFLAG_MONITORTALKER ),
00202 AST_APP_OPTION('l', CONFFLAG_MONITOR ),
00203 AST_APP_OPTION('t', CONFFLAG_TALKER ),
00204 AST_APP_OPTION_ARG('w', CONFFLAG_WAITMARKED, OPT_ARG_WAITMARKED ),
00205 AST_APP_OPTION('X', CONFFLAG_EXIT_CONTEXT ),
00206 AST_APP_OPTION('x', CONFFLAG_MARKEDEXIT ),
00207 AST_APP_OPTION('1', CONFFLAG_NOONLYPERSON ),
00208 END_OPTIONS );
00209
00210 static const char *app = "MeetMe";
00211 static const char *app2 = "MeetMeCount";
00212 static const char *app3 = "MeetMeAdmin";
00213 static const char *slastation_app = "SLAStation";
00214 static const char *slatrunk_app = "SLATrunk";
00215
00216 static const char *synopsis = "MeetMe conference bridge";
00217 static const char *synopsis2 = "MeetMe participant count";
00218 static const char *synopsis3 = "MeetMe conference Administration";
00219 static const char *slastation_synopsis = "Shared Line Appearance Station";
00220 static const char *slatrunk_synopsis = "Shared Line Appearance Trunk";
00221
00222 static const char *descrip =
00223 " MeetMe([confno][,[options][,pin]]): Enters the user into a specified MeetMe\n"
00224 "conference. If the conference number is omitted, the user will be prompted\n"
00225 "to enter one. User can exit the conference by hangup, or if the 'p' option\n"
00226 "is specified, by pressing '#'.\n"
00227 "Please note: The DAHDI kernel modules and at least one hardware driver (or dahdi_dummy)\n"
00228 " must be present for conferencing to operate properly. In addition, the chan_dahdi\n"
00229 " channel driver must be loaded for the 'i' and 'r' options to operate at all.\n\n"
00230 "The option string may contain zero or more of the following characters:\n"
00231 " 'a' -- set admin mode\n"
00232 " 'A' -- set marked mode\n"
00233 " 'b' -- run AGI script specified in ${MEETME_AGI_BACKGROUND}\n"
00234 " Default: conf-background.agi (Note: This does not work with\n"
00235 " non-DAHDI channels in the same conference)\n"
00236 " 'c' -- announce user(s) count on joining a conference\n"
00237 " 'd' -- dynamically add conference\n"
00238 " 'D' -- dynamically add conference, prompting for a PIN\n"
00239 " 'e' -- select an empty conference\n"
00240 " 'E' -- select an empty pinless conference\n"
00241 " 'F' -- Pass DTMF through the conference.\n"
00242 " 'G(x)'\n"
00243 " -- Play an announcement in conference, using 'x' as the file\n"
00244 " 'i' -- announce user join/leave with review\n"
00245 " 'I' -- announce user join/leave without review\n"
00246 " 'l' -- set listen only mode (Listen only, no talking)\n"
00247 " 'm' -- set initially muted\n"
00248 " 'M' -- enable music on hold when the conference has a single caller\n"
00249 " 'o' -- set talker optimization - treats talkers who aren't speaking as\n"
00250 " being muted, meaning (a) No encode is done on transmission and\n"
00251 " (b) Received audio that is not registered as talking is omitted\n"
00252 " causing no buildup in background noise. Note that this option\n"
00253 " will be removed in 1.6 and enabled by default.\n"
00254 " 'p' -- allow user to exit the conference by pressing '#'\n"
00255 " 'P' -- always prompt for the pin even if it is specified\n"
00256 " 'q' -- quiet mode (don't play enter/leave sounds)\n"
00257 " 'r' -- Record conference (records as ${MEETME_RECORDINGFILE}\n"
00258 " using format ${MEETME_RECORDINGFORMAT}). Default filename is\n"
00259 " meetme-conf-rec-${CONFNO}-${UNIQUEID} and the default format is\n"
00260 " wav.\n"
00261 " 's' -- Present menu (user or admin) when '*' is received ('send' to menu)\n"
00262 " 't' -- set talk only mode. (Talk only, no listening)\n"
00263 " 'T' -- set talker detection (sent to manager interface and meetme list)\n"
00264 " 'w[(<secs>)]'\n"
00265 " -- wait until the marked user enters the conference\n"
00266 " 'x' -- close the conference when last marked user exits\n"
00267 " 'X' -- allow user to exit the conference by entering a valid single\n"
00268 " digit extension ${MEETME_EXIT_CONTEXT} or the current context\n"
00269 " if that variable is not defined.\n"
00270 " '1' -- do not play message when first person enters\n";
00271
00272 static const char *descrip2 =
00273 " MeetMeCount(confno[|var]): Plays back the number of users in the specified\n"
00274 "MeetMe conference. If var is specified, playback will be skipped and the value\n"
00275 "will be returned in the variable. Upon app completion, MeetMeCount will hangup\n"
00276 "the channel, unless priority n+1 exists, in which case priority progress will\n"
00277 "continue.\n";
00278
00279 static const char *descrip3 =
00280 " MeetMeAdmin(confno,command[,user]): Run admin command for conference\n"
00281 " 'e' -- Eject last user that joined\n"
00282 " 'k' -- Kick one user out of conference\n"
00283 " 'K' -- Kick all users out of conference\n"
00284 " 'l' -- Unlock conference\n"
00285 " 'L' -- Lock conference\n"
00286 " 'm' -- Unmute one user\n"
00287 " 'M' -- Mute one user\n"
00288 " 'n' -- Unmute all users in the conference\n"
00289 " 'N' -- Mute all non-admin users in the conference\n"
00290 " 'r' -- Reset one user's volume settings\n"
00291 " 'R' -- Reset all users volume settings\n"
00292 " 's' -- Lower entire conference speaking volume\n"
00293 " 'S' -- Raise entire conference speaking volume\n"
00294 " 't' -- Lower one user's talk volume\n"
00295 " 'T' -- Raise one user's talk volume\n"
00296 " 'u' -- Lower one user's listen volume\n"
00297 " 'U' -- Raise one user's listen volume\n"
00298 " 'v' -- Lower entire conference listening volume\n"
00299 " 'V' -- Raise entire conference listening volume\n"
00300 "";
00301
00302 static const char *slastation_desc =
00303 " SLAStation(station):\n"
00304 "This application should be executed by an SLA station. The argument depends\n"
00305 "on how the call was initiated. If the phone was just taken off hook, then\n"
00306 "the argument \"station\" should be just the station name. If the call was\n"
00307 "initiated by pressing a line key, then the station name should be preceded\n"
00308 "by an underscore and the trunk name associated with that line button.\n"
00309 "For example: \"station1_line1\"."
00310 " On exit, this application will set the variable SLASTATION_STATUS to\n"
00311 "one of the following values:\n"
00312 " FAILURE | CONGESTION | SUCCESS\n"
00313 "";
00314
00315 static const char *slatrunk_desc =
00316 " SLATrunk(trunk):\n"
00317 "This application should be executed by an SLA trunk on an inbound call.\n"
00318 "The channel calling this application should correspond to the SLA trunk\n"
00319 "with the name \"trunk\" that is being passed as an argument.\n"
00320 " On exit, this application will set the variable SLATRUNK_STATUS to\n"
00321 "one of the following values:\n"
00322 " FAILURE | SUCCESS | UNANSWERED | RINGTIMEOUT\n"
00323 "";
00324
00325 #define MAX_CONFNUM 80
00326 #define MAX_PIN 80
00327
00328 enum announcetypes {
00329 CONF_HASJOIN,
00330 CONF_HASLEFT
00331 };
00332
00333 struct announce_listitem {
00334 AST_LIST_ENTRY(announce_listitem) entry;
00335 char namerecloc[PATH_MAX];
00336 char language[MAX_LANGUAGE];
00337 struct ast_channel *confchan;
00338 int confusers;
00339 enum announcetypes announcetype;
00340 };
00341
00342
00343 struct ast_conference {
00344 ast_mutex_t playlock;
00345 ast_mutex_t listenlock;
00346 char confno[MAX_CONFNUM];
00347 struct ast_channel *chan;
00348 struct ast_channel *lchan;
00349 int fd;
00350 int zapconf;
00351 int users;
00352 int markedusers;
00353 time_t start;
00354 int refcount;
00355 enum recording_state recording:2;
00356 unsigned int isdynamic:1;
00357 unsigned int locked:1;
00358 pthread_t recordthread;
00359 ast_mutex_t recordthreadlock;
00360 pthread_attr_t attr;
00361 const char *recordingfilename;
00362 const char *recordingformat;
00363 char pin[MAX_PIN];
00364 char pinadmin[MAX_PIN];
00365 struct ast_frame *transframe[32];
00366 struct ast_frame *origframe;
00367 struct ast_trans_pvt *transpath[32];
00368 AST_LIST_HEAD_NOLOCK(, ast_conf_user) userlist;
00369 AST_LIST_ENTRY(ast_conference) list;
00370
00371 pthread_t announcethread;
00372 ast_mutex_t announcethreadlock;
00373 unsigned int announcethread_stop:1;
00374 ast_cond_t announcelist_addition;
00375 AST_LIST_HEAD_NOLOCK(, announce_listitem) announcelist;
00376 ast_mutex_t announcelistlock;
00377 };
00378
00379 static AST_LIST_HEAD_STATIC(confs, ast_conference);
00380
00381 static unsigned int conf_map[1024] = {0, };
00382
00383 struct volume {
00384 int desired;
00385 int actual;
00386 };
00387
00388 struct ast_conf_user {
00389 int user_no;
00390 int userflags;
00391 int adminflags;
00392 struct ast_channel *chan;
00393 int talking;
00394 int zapchannel;
00395 char usrvalue[50];
00396 char namerecloc[PATH_MAX];
00397 time_t jointime;
00398 struct volume talk;
00399 struct volume listen;
00400 AST_LIST_ENTRY(ast_conf_user) list;
00401 };
00402
00403 enum sla_which_trunk_refs {
00404 ALL_TRUNK_REFS,
00405 INACTIVE_TRUNK_REFS,
00406 };
00407
00408 enum sla_trunk_state {
00409 SLA_TRUNK_STATE_IDLE,
00410 SLA_TRUNK_STATE_RINGING,
00411 SLA_TRUNK_STATE_UP,
00412 SLA_TRUNK_STATE_ONHOLD,
00413 SLA_TRUNK_STATE_ONHOLD_BYME,
00414 };
00415
00416 enum sla_hold_access {
00417
00418
00419 SLA_HOLD_OPEN,
00420
00421
00422 SLA_HOLD_PRIVATE,
00423 };
00424
00425 struct sla_trunk_ref;
00426
00427 struct sla_station {
00428 AST_RWLIST_ENTRY(sla_station) entry;
00429 AST_DECLARE_STRING_FIELDS(
00430 AST_STRING_FIELD(name);
00431 AST_STRING_FIELD(device);
00432 AST_STRING_FIELD(autocontext);
00433 );
00434 AST_LIST_HEAD_NOLOCK(, sla_trunk_ref) trunks;
00435 struct ast_dial *dial;
00436
00437
00438
00439 unsigned int ring_timeout;
00440
00441
00442
00443 unsigned int ring_delay;
00444
00445
00446 unsigned int hold_access:1;
00447 };
00448
00449 struct sla_station_ref {
00450 AST_LIST_ENTRY(sla_station_ref) entry;
00451 struct sla_station *station;
00452 };
00453
00454 struct sla_trunk {
00455 AST_RWLIST_ENTRY(sla_trunk) entry;
00456 AST_DECLARE_STRING_FIELDS(
00457 AST_STRING_FIELD(name);
00458 AST_STRING_FIELD(device);
00459 AST_STRING_FIELD(autocontext);
00460 );
00461 AST_LIST_HEAD_NOLOCK(, sla_station_ref) stations;
00462
00463 unsigned int num_stations;
00464
00465 unsigned int active_stations;
00466
00467 unsigned int hold_stations;
00468 struct ast_channel *chan;
00469 unsigned int ring_timeout;
00470
00471
00472 unsigned int barge_disabled:1;
00473
00474
00475 unsigned int hold_access:1;
00476
00477
00478 unsigned int on_hold:1;
00479 };
00480
00481 struct sla_trunk_ref {
00482 AST_LIST_ENTRY(sla_trunk_ref) entry;
00483 struct sla_trunk *trunk;
00484 enum sla_trunk_state state;
00485 struct ast_channel *chan;
00486
00487
00488
00489 unsigned int ring_timeout;
00490
00491
00492
00493 unsigned int ring_delay;
00494 };
00495
00496 static AST_RWLIST_HEAD_STATIC(sla_stations, sla_station);
00497 static AST_RWLIST_HEAD_STATIC(sla_trunks, sla_trunk);
00498
00499 static const char sla_registrar[] = "SLA";
00500
00501
00502 enum sla_event_type {
00503
00504 SLA_EVENT_HOLD,
00505
00506 SLA_EVENT_DIAL_STATE,
00507
00508 SLA_EVENT_RINGING_TRUNK,
00509 };
00510
00511 struct sla_event {
00512 enum sla_event_type type;
00513 struct sla_station *station;
00514 struct sla_trunk_ref *trunk_ref;
00515 AST_LIST_ENTRY(sla_event) entry;
00516 };
00517
00518
00519
00520 struct sla_failed_station {
00521 struct sla_station *station;
00522 struct timeval last_try;
00523 AST_LIST_ENTRY(sla_failed_station) entry;
00524 };
00525
00526
00527 struct sla_ringing_trunk {
00528 struct sla_trunk *trunk;
00529
00530 struct timeval ring_begin;
00531 AST_LIST_HEAD_NOLOCK(, sla_station_ref) timed_out_stations;
00532 AST_LIST_ENTRY(sla_ringing_trunk) entry;
00533 };
00534
00535 enum sla_station_hangup {
00536 SLA_STATION_HANGUP_NORMAL,
00537 SLA_STATION_HANGUP_TIMEOUT,
00538 };
00539
00540
00541 struct sla_ringing_station {
00542 struct sla_station *station;
00543
00544 struct timeval ring_begin;
00545 AST_LIST_ENTRY(sla_ringing_station) entry;
00546 };
00547
00548
00549
00550
00551 static struct {
00552
00553 pthread_t thread;
00554 ast_cond_t cond;
00555 ast_mutex_t lock;
00556 AST_LIST_HEAD_NOLOCK(, sla_ringing_trunk) ringing_trunks;
00557 AST_LIST_HEAD_NOLOCK(, sla_ringing_station) ringing_stations;
00558 AST_LIST_HEAD_NOLOCK(, sla_failed_station) failed_stations;
00559 AST_LIST_HEAD_NOLOCK(, sla_event) event_q;
00560 unsigned int stop:1;
00561
00562
00563 unsigned int attempt_callerid:1;
00564 } sla = {
00565 .thread = AST_PTHREADT_NULL,
00566 };
00567
00568
00569
00570 static int audio_buffers;
00571
00572
00573
00574
00575
00576
00577
00578 static char const gain_map[] = {
00579 -15,
00580 -13,
00581 -10,
00582 -6,
00583 0,
00584 0,
00585 0,
00586 6,
00587 10,
00588 13,
00589 15,
00590 };
00591
00592
00593 static int admin_exec(struct ast_channel *chan, void *data);
00594 static void *recordthread(void *args);
00595
00596 static char *istalking(int x)
00597 {
00598 if (x > 0)
00599 return "(talking)";
00600 else if (x < 0)
00601 return "(unmonitored)";
00602 else
00603 return "(not talking)";
00604 }
00605
00606 static int careful_write(int fd, unsigned char *data, int len, int block)
00607 {
00608 int res;
00609 int x;
00610
00611 while (len) {
00612 if (block) {
00613 x = DAHDI_IOMUX_WRITE | DAHDI_IOMUX_SIGEVENT;
00614 res = ioctl(fd, DAHDI_IOMUX, &x);
00615 } else
00616 res = 0;
00617 if (res >= 0)
00618 res = write(fd, data, len);
00619 if (res < 1) {
00620 if (errno != EAGAIN) {
00621 ast_log(LOG_WARNING, "Failed to write audio data to conference: %s\n", strerror(errno));
00622 return -1;
00623 } else
00624 return 0;
00625 }
00626 len -= res;
00627 data += res;
00628 }
00629
00630 return 0;
00631 }
00632
00633 static int set_talk_volume(struct ast_conf_user *user, int volume)
00634 {
00635 char gain_adjust;
00636
00637
00638
00639
00640 gain_adjust = gain_map[volume + 5];
00641
00642 return ast_channel_setoption(user->chan, AST_OPTION_RXGAIN, &gain_adjust, sizeof(gain_adjust), 0);
00643 }
00644
00645 static int set_listen_volume(struct ast_conf_user *user, int volume)
00646 {
00647 char gain_adjust;
00648
00649
00650
00651
00652 gain_adjust = gain_map[volume + 5];
00653
00654 return ast_channel_setoption(user->chan, AST_OPTION_TXGAIN, &gain_adjust, sizeof(gain_adjust), 0);
00655 }
00656
00657 static void tweak_volume(struct volume *vol, enum volume_action action)
00658 {
00659 switch (action) {
00660 case VOL_UP:
00661 switch (vol->desired) {
00662 case 5:
00663 break;
00664 case 0:
00665 vol->desired = 2;
00666 break;
00667 case -2:
00668 vol->desired = 0;
00669 break;
00670 default:
00671 vol->desired++;
00672 break;
00673 }
00674 break;
00675 case VOL_DOWN:
00676 switch (vol->desired) {
00677 case -5:
00678 break;
00679 case 2:
00680 vol->desired = 0;
00681 break;
00682 case 0:
00683 vol->desired = -2;
00684 break;
00685 default:
00686 vol->desired--;
00687 break;
00688 }
00689 }
00690 }
00691
00692 static void tweak_talk_volume(struct ast_conf_user *user, enum volume_action action)
00693 {
00694 tweak_volume(&user->talk, action);
00695
00696
00697
00698 if (!set_talk_volume(user, user->talk.desired))
00699 user->talk.actual = 0;
00700 else
00701 user->talk.actual = user->talk.desired;
00702 }
00703
00704 static void tweak_listen_volume(struct ast_conf_user *user, enum volume_action action)
00705 {
00706 tweak_volume(&user->listen, action);
00707
00708
00709
00710 if (!set_listen_volume(user, user->listen.desired))
00711 user->listen.actual = 0;
00712 else
00713 user->listen.actual = user->listen.desired;
00714 }
00715
00716 static void reset_volumes(struct ast_conf_user *user)
00717 {
00718 signed char zero_volume = 0;
00719
00720 ast_channel_setoption(user->chan, AST_OPTION_TXGAIN, &zero_volume, sizeof(zero_volume), 0);
00721 ast_channel_setoption(user->chan, AST_OPTION_RXGAIN, &zero_volume, sizeof(zero_volume), 0);
00722 }
00723
00724 static void conf_play(struct ast_channel *chan, struct ast_conference *conf, enum entrance_sound sound)
00725 {
00726 unsigned char *data;
00727 int len;
00728 int res = -1;
00729
00730 if (!chan->_softhangup)
00731 res = ast_autoservice_start(chan);
00732
00733 AST_LIST_LOCK(&confs);
00734
00735 switch(sound) {
00736 case ENTER:
00737 data = enter;
00738 len = sizeof(enter);
00739 break;
00740 case LEAVE:
00741 data = leave;
00742 len = sizeof(leave);
00743 break;
00744 default:
00745 data = NULL;
00746 len = 0;
00747 }
00748 if (data) {
00749 careful_write(conf->fd, data, len, 1);
00750 }
00751
00752 AST_LIST_UNLOCK(&confs);
00753
00754 if (!res)
00755 ast_autoservice_stop(chan);
00756 }
00757
00758
00759
00760
00761
00762
00763
00764
00765
00766
00767
00768
00769
00770
00771 static struct ast_conference *build_conf(char *confno, char *pin, char *pinadmin, int make, int dynamic, int refcount)
00772 {
00773 struct ast_conference *cnf;
00774 struct dahdi_confinfo ztc = { 0, };
00775 int confno_int = 0;
00776
00777 AST_LIST_LOCK(&confs);
00778
00779 AST_LIST_TRAVERSE(&confs, cnf, list) {
00780 if (!strcmp(confno, cnf->confno))
00781 break;
00782 }
00783
00784 if (cnf || (!make && !dynamic))
00785 goto cnfout;
00786
00787
00788 if (!(cnf = ast_calloc(1, sizeof(*cnf))))
00789 goto cnfout;
00790
00791 ast_mutex_init(&cnf->playlock);
00792 ast_mutex_init(&cnf->listenlock);
00793 cnf->recordthread = AST_PTHREADT_NULL;
00794 ast_mutex_init(&cnf->recordthreadlock);
00795 cnf->announcethread = AST_PTHREADT_NULL;
00796 ast_mutex_init(&cnf->announcethreadlock);
00797 ast_copy_string(cnf->confno, confno, sizeof(cnf->confno));
00798 ast_copy_string(cnf->pin, pin, sizeof(cnf->pin));
00799 ast_copy_string(cnf->pinadmin, pinadmin, sizeof(cnf->pinadmin));
00800
00801
00802 ztc.confno = -1;
00803 ztc.confmode = DAHDI_CONF_CONFANN | DAHDI_CONF_CONFANNMON;
00804 cnf->fd = open(DAHDI_FILE_PSEUDO, O_RDWR);
00805 if (cnf->fd < 0 || ioctl(cnf->fd, DAHDI_SETCONF, &ztc)) {
00806 ast_log(LOG_WARNING, "Unable to open pseudo device\n");
00807 if (cnf->fd >= 0)
00808 close(cnf->fd);
00809 free(cnf);
00810 cnf = NULL;
00811 goto cnfout;
00812 }
00813
00814 cnf->zapconf = ztc.confno;
00815
00816
00817 cnf->chan = ast_request(dahdi_chan_name, AST_FORMAT_SLINEAR, "pseudo", NULL);
00818 if (cnf->chan) {
00819 ast_set_read_format(cnf->chan, AST_FORMAT_SLINEAR);
00820 ast_set_write_format(cnf->chan, AST_FORMAT_SLINEAR);
00821 ztc.chan = 0;
00822 ztc.confno = cnf->zapconf;
00823 ztc.confmode = DAHDI_CONF_CONFANN | DAHDI_CONF_CONFANNMON;
00824 if (ioctl(cnf->chan->fds[0], DAHDI_SETCONF, &ztc)) {
00825 ast_log(LOG_WARNING, "Error setting conference\n");
00826 if (cnf->chan)
00827 ast_hangup(cnf->chan);
00828 else
00829 close(cnf->fd);
00830 free(cnf);
00831 cnf = NULL;
00832 goto cnfout;
00833 }
00834 }
00835
00836
00837 cnf->start = time(NULL);
00838 cnf->isdynamic = dynamic ? 1 : 0;
00839 if (option_verbose > 2)
00840 ast_verbose(VERBOSE_PREFIX_3 "Created MeetMe conference %d for conference '%s'\n", cnf->zapconf, cnf->confno);
00841 AST_LIST_INSERT_HEAD(&confs, cnf, list);
00842
00843
00844 if ((sscanf(cnf->confno, "%d", &confno_int) == 1) && (confno_int >= 0 && confno_int < 1024))
00845 conf_map[confno_int] = 1;
00846
00847 cnfout:
00848 if (cnf)
00849 ast_atomic_fetchadd_int(&cnf->refcount, refcount);
00850
00851 AST_LIST_UNLOCK(&confs);
00852
00853 return cnf;
00854 }
00855
00856 static int meetme_cmd(int fd, int argc, char **argv)
00857 {
00858
00859 struct ast_conference *cnf;
00860 struct ast_conf_user *user;
00861 int hr, min, sec;
00862 int i = 0, total = 0;
00863 time_t now;
00864 char *header_format = "%-14s %-14s %-10s %-8s %-8s\n";
00865 char *data_format = "%-12.12s %4.4d %4.4s %02d:%02d:%02d %-8s\n";
00866 char cmdline[1024] = "";
00867
00868 if (argc > 8)
00869 ast_cli(fd, "Invalid Arguments.\n");
00870
00871 for (i = 0; i < argc; i++) {
00872 if (strlen(argv[i]) > 100)
00873 ast_cli(fd, "Invalid Arguments.\n");
00874 }
00875 if (argc == 1) {
00876
00877 now = time(NULL);
00878 AST_LIST_LOCK(&confs);
00879 if (AST_LIST_EMPTY(&confs)) {
00880 ast_cli(fd, "No active MeetMe conferences.\n");
00881 AST_LIST_UNLOCK(&confs);
00882 return RESULT_SUCCESS;
00883 }
00884 ast_cli(fd, header_format, "Conf Num", "Parties", "Marked", "Activity", "Creation");
00885 AST_LIST_TRAVERSE(&confs, cnf, list) {
00886 if (cnf->markedusers == 0)
00887 strcpy(cmdline, "N/A ");
00888 else
00889 snprintf(cmdline, sizeof(cmdline), "%4.4d", cnf->markedusers);
00890 hr = (now - cnf->start) / 3600;
00891 min = ((now - cnf->start) % 3600) / 60;
00892 sec = (now - cnf->start) % 60;
00893
00894 ast_cli(fd, data_format, cnf->confno, cnf->users, cmdline, hr, min, sec, cnf->isdynamic ? "Dynamic" : "Static");
00895
00896 total += cnf->users;
00897 }
00898 AST_LIST_UNLOCK(&confs);
00899 ast_cli(fd, "* Total number of MeetMe users: %d\n", total);
00900 return RESULT_SUCCESS;
00901 }
00902 if (argc < 3)
00903 return RESULT_SHOWUSAGE;
00904 ast_copy_string(cmdline, argv[2], sizeof(cmdline));
00905 if (strstr(argv[1], "lock")) {
00906 if (strcmp(argv[1], "lock") == 0) {
00907
00908 strncat(cmdline, "|L", sizeof(cmdline) - strlen(cmdline) - 1);
00909 } else {
00910
00911 strncat(cmdline, "|l", sizeof(cmdline) - strlen(cmdline) - 1);
00912 }
00913 } else if (strstr(argv[1], "mute")) {
00914 if (argc < 4)
00915 return RESULT_SHOWUSAGE;
00916 if (strcmp(argv[1], "mute") == 0) {
00917
00918 if (strcmp(argv[3], "all") == 0) {
00919 strncat(cmdline, "|N", sizeof(cmdline) - strlen(cmdline) - 1);
00920 } else {
00921 strncat(cmdline, "|M|", sizeof(cmdline) - strlen(cmdline) - 1);
00922 strncat(cmdline, argv[3], sizeof(cmdline) - strlen(cmdline) - 1);
00923 }
00924 } else {
00925
00926 if (strcmp(argv[3], "all") == 0) {
00927 strncat(cmdline, "|n", sizeof(cmdline) - strlen(cmdline) - 1);
00928 } else {
00929 strncat(cmdline, "|m|", sizeof(cmdline) - strlen(cmdline) - 1);
00930 strncat(cmdline, argv[3], sizeof(cmdline) - strlen(cmdline) - 1);
00931 }
00932 }
00933 } else if (strcmp(argv[1], "kick") == 0) {
00934 if (argc < 4)
00935 return RESULT_SHOWUSAGE;
00936 if (strcmp(argv[3], "all") == 0) {
00937
00938 strncat(cmdline, "|K", sizeof(cmdline) - strlen(cmdline) - 1);
00939 } else {
00940
00941 strncat(cmdline, "|k|", sizeof(cmdline) - strlen(cmdline) - 1);
00942 strncat(cmdline, argv[3], sizeof(cmdline) - strlen(cmdline) - 1);
00943 }
00944 } else if(strcmp(argv[1], "list") == 0) {
00945 int concise = ( 4 == argc && ( !strcasecmp(argv[3], "concise") ) );
00946
00947 if (AST_LIST_EMPTY(&confs)) {
00948 if ( !concise )
00949 ast_cli(fd, "No active conferences.\n");
00950 return RESULT_SUCCESS;
00951 }
00952
00953 AST_LIST_LOCK(&confs);
00954 AST_LIST_TRAVERSE(&confs, cnf, list) {
00955 if (strcmp(cnf->confno, argv[2]) == 0)
00956 break;
00957 }
00958 if (!cnf) {
00959 if ( !concise )
00960 ast_cli(fd, "No such conference: %s.\n",argv[2]);
00961 AST_LIST_UNLOCK(&confs);
00962 return RESULT_SUCCESS;
00963 }
00964
00965 time(&now);
00966 AST_LIST_TRAVERSE(&cnf->userlist, user, list) {
00967 hr = (now - user->jointime) / 3600;
00968 min = ((now - user->jointime) % 3600) / 60;
00969 sec = (now - user->jointime) % 60;
00970 if ( !concise )
00971 ast_cli(fd, "User #: %-2.2d %12.12s %-20.20s Channel: %s %s %s %s %s %02d:%02d:%02d\n",
00972 user->user_no,
00973 S_OR(user->chan->cid.cid_num, "<unknown>"),
00974 S_OR(user->chan->cid.cid_name, "<no name>"),
00975 user->chan->name,
00976 user->userflags & CONFFLAG_ADMIN ? "(Admin)" : "",
00977 user->userflags & CONFFLAG_MONITOR ? "(Listen only)" : "",
00978 user->adminflags & ADMINFLAG_MUTED ? "(Admin Muted)" : user->adminflags & ADMINFLAG_SELFMUTED ? "(Muted)" : "",
00979 istalking(user->talking), hr, min, sec);
00980 else
00981 ast_cli(fd, "%d!%s!%s!%s!%s!%s!%s!%d!%02d:%02d:%02d\n",
00982 user->user_no,
00983 S_OR(user->chan->cid.cid_num, ""),
00984 S_OR(user->chan->cid.cid_name, ""),
00985 user->chan->name,
00986 user->userflags & CONFFLAG_ADMIN ? "1" : "",
00987 user->userflags & CONFFLAG_MONITOR ? "1" : "",
00988 user->adminflags & (ADMINFLAG_MUTED | ADMINFLAG_SELFMUTED) ? "1" : "",
00989 user->talking, hr, min, sec);
00990
00991 }
00992 if ( !concise )
00993 ast_cli(fd,"%d users in that conference.\n",cnf->users);
00994 AST_LIST_UNLOCK(&confs);
00995 return RESULT_SUCCESS;
00996 } else
00997 return RESULT_SHOWUSAGE;
00998 ast_log(LOG_DEBUG, "Cmdline: %s\n", cmdline);
00999 admin_exec(NULL, cmdline);
01000
01001 return 0;
01002 }
01003
01004 static char *complete_meetmecmd(const char *line, const char *word, int pos, int state)
01005 {
01006 static char *cmds[] = {"lock", "unlock", "mute", "unmute", "kick", "list", NULL};
01007
01008 int len = strlen(word);
01009 int which = 0;
01010 struct ast_conference *cnf = NULL;
01011 struct ast_conf_user *usr = NULL;
01012 char *confno = NULL;
01013 char usrno[50] = "";
01014 char *myline, *ret = NULL;
01015
01016 if (pos == 1) {
01017 return ast_cli_complete(word, cmds, state);
01018 } else if (pos == 2) {
01019 AST_LIST_LOCK(&confs);
01020 AST_LIST_TRAVERSE(&confs, cnf, list) {
01021 if (!strncasecmp(word, cnf->confno, len) && ++which > state) {
01022 ret = cnf->confno;
01023 break;
01024 }
01025 }
01026 ret = ast_strdup(ret);
01027 AST_LIST_UNLOCK(&confs);
01028 return ret;
01029 } else if (pos == 3) {
01030
01031 if (strstr(line, "mute") || strstr(line, "kick")) {
01032 if (state == 0 && (strstr(line, "kick") || strstr(line,"mute")) && !strncasecmp(word, "all", len))
01033 return strdup("all");
01034 which++;
01035 AST_LIST_LOCK(&confs);
01036
01037
01038 myline = ast_strdupa(line);
01039 if (strsep(&myline, " ") && strsep(&myline, " ") && !confno) {
01040 while((confno = strsep(&myline, " ")) && (strcmp(confno, " ") == 0))
01041 ;
01042 }
01043
01044 AST_LIST_TRAVERSE(&confs, cnf, list) {
01045 if (!strcmp(confno, cnf->confno))
01046 break;
01047 }
01048
01049 if (cnf) {
01050
01051 AST_LIST_TRAVERSE(&cnf->userlist, usr, list) {
01052 snprintf(usrno, sizeof(usrno), "%d", usr->user_no);
01053 if (!strncasecmp(word, usrno, len) && ++which > state)
01054 break;
01055 }
01056 }
01057 AST_LIST_UNLOCK(&confs);
01058 return usr ? strdup(usrno) : NULL;
01059 } else if ( strstr(line, "list") && ( 0 == state ) )
01060 return strdup("concise");
01061 }
01062
01063 return NULL;
01064 }
01065
01066 static char meetme_usage[] =
01067 "Usage: meetme (un)lock|(un)mute|kick|list [concise] <confno> <usernumber>\n"
01068 " Executes a command for the conference or on a conferee\n";
01069
01070 static const char *sla_hold_str(unsigned int hold_access)
01071 {
01072 const char *hold = "Unknown";
01073
01074 switch (hold_access) {
01075 case SLA_HOLD_OPEN:
01076 hold = "Open";
01077 break;
01078 case SLA_HOLD_PRIVATE:
01079 hold = "Private";
01080 default:
01081 break;
01082 }
01083
01084 return hold;
01085 }
01086
01087 static int sla_show_trunks(int fd, int argc, char **argv)
01088 {
01089 const struct sla_trunk *trunk;
01090
01091 ast_cli(fd, "\n"
01092 "=============================================================\n"
01093 "=== Configured SLA Trunks ===================================\n"
01094 "=============================================================\n"
01095 "===\n");
01096 AST_RWLIST_RDLOCK(&sla_trunks);
01097 AST_RWLIST_TRAVERSE(&sla_trunks, trunk, entry) {
01098 struct sla_station_ref *station_ref;
01099 char ring_timeout[16] = "(none)";
01100 if (trunk->ring_timeout)
01101 snprintf(ring_timeout, sizeof(ring_timeout), "%u Seconds", trunk->ring_timeout);
01102 ast_cli(fd, "=== ---------------------------------------------------------\n"
01103 "=== Trunk Name: %s\n"
01104 "=== ==> Device: %s\n"
01105 "=== ==> AutoContext: %s\n"
01106 "=== ==> RingTimeout: %s\n"
01107 "=== ==> BargeAllowed: %s\n"
01108 "=== ==> HoldAccess: %s\n"
01109 "=== ==> Stations ...\n",
01110 trunk->name, trunk->device,
01111 S_OR(trunk->autocontext, "(none)"),
01112 ring_timeout,
01113 trunk->barge_disabled ? "No" : "Yes",
01114 sla_hold_str(trunk->hold_access));
01115 AST_RWLIST_RDLOCK(&sla_stations);
01116 AST_LIST_TRAVERSE(&trunk->stations, station_ref, entry)
01117 ast_cli(fd, "=== ==> Station name: %s\n", station_ref->station->name);
01118 AST_RWLIST_UNLOCK(&sla_stations);
01119 ast_cli(fd, "=== ---------------------------------------------------------\n"
01120 "===\n");
01121 }
01122 AST_RWLIST_UNLOCK(&sla_trunks);
01123 ast_cli(fd, "=============================================================\n"
01124 "\n");
01125
01126 return RESULT_SUCCESS;
01127 }
01128
01129 static const char *trunkstate2str(enum sla_trunk_state state)
01130 {
01131 #define S(e) case e: return # e;
01132 switch (state) {
01133 S(SLA_TRUNK_STATE_IDLE)
01134 S(SLA_TRUNK_STATE_RINGING)
01135 S(SLA_TRUNK_STATE_UP)
01136 S(SLA_TRUNK_STATE_ONHOLD)
01137 S(SLA_TRUNK_STATE_ONHOLD_BYME)
01138 }
01139 return "Uknown State";
01140 #undef S
01141 }
01142
01143 static const char sla_show_trunks_usage[] =
01144 "Usage: sla show trunks\n"
01145 " This will list all trunks defined in sla.conf\n";
01146
01147 static int sla_show_stations(int fd, int argc, char **argv)
01148 {
01149 const struct sla_station *station;
01150
01151 ast_cli(fd, "\n"
01152 "=============================================================\n"
01153 "=== Configured SLA Stations =================================\n"
01154 "=============================================================\n"
01155 "===\n");
01156 AST_RWLIST_RDLOCK(&sla_stations);
01157 AST_RWLIST_TRAVERSE(&sla_stations, station, entry) {
01158 struct sla_trunk_ref *trunk_ref;
01159 char ring_timeout[16] = "(none)";
01160 char ring_delay[16] = "(none)";
01161 if (station->ring_timeout) {
01162 snprintf(ring_timeout, sizeof(ring_timeout),
01163 "%u", station->ring_timeout);
01164 }
01165 if (station->ring_delay) {
01166 snprintf(ring_delay, sizeof(ring_delay),
01167 "%u", station->ring_delay);
01168 }
01169 ast_cli(fd, "=== ---------------------------------------------------------\n"
01170 "=== Station Name: %s\n"
01171 "=== ==> Device: %s\n"
01172 "=== ==> AutoContext: %s\n"
01173 "=== ==> RingTimeout: %s\n"
01174 "=== ==> RingDelay: %s\n"
01175 "=== ==> HoldAccess: %s\n"
01176 "=== ==> Trunks ...\n",
01177 station->name, station->device,
01178 S_OR(station->autocontext, "(none)"),
01179 ring_timeout, ring_delay,
01180 sla_hold_str(station->hold_access));
01181 AST_RWLIST_RDLOCK(&sla_trunks);
01182 AST_LIST_TRAVERSE(&station->trunks, trunk_ref, entry) {
01183 if (trunk_ref->ring_timeout) {
01184 snprintf(ring_timeout, sizeof(ring_timeout),
01185 "%u", trunk_ref->ring_timeout);
01186 } else
01187 strcpy(ring_timeout, "(none)");
01188 if (trunk_ref->ring_delay) {
01189 snprintf(ring_delay, sizeof(ring_delay),
01190 "%u", trunk_ref->ring_delay);
01191 } else
01192 strcpy(ring_delay, "(none)");
01193 ast_cli(fd, "=== ==> Trunk Name: %s\n"
01194 "=== ==> State: %s\n"
01195 "=== ==> RingTimeout: %s\n"
01196 "=== ==> RingDelay: %s\n",
01197 trunk_ref->trunk->name,
01198 trunkstate2str(trunk_ref->state),
01199 ring_timeout, ring_delay);
01200 }
01201 AST_RWLIST_UNLOCK(&sla_trunks);
01202 ast_cli(fd, "=== ---------------------------------------------------------\n"
01203 "===\n");
01204 }
01205 AST_RWLIST_UNLOCK(&sla_stations);
01206 ast_cli(fd, "============================================================\n"
01207 "\n");
01208
01209 return RESULT_SUCCESS;
01210 }
01211
01212 static const char sla_show_stations_usage[] =
01213 "Usage: sla show stations\n"
01214 " This will list all stations defined in sla.conf\n";
01215
01216 static struct ast_cli_entry cli_meetme[] = {
01217 { { "meetme", NULL, NULL },
01218 meetme_cmd, "Execute a command on a conference or conferee",
01219 meetme_usage, complete_meetmecmd },
01220
01221 { { "sla", "show", "trunks", NULL },
01222 sla_show_trunks, "Show SLA Trunks",
01223 sla_show_trunks_usage, NULL },
01224
01225 { { "sla", "show", "stations", NULL },
01226 sla_show_stations, "Show SLA Stations",
01227 sla_show_stations_usage, NULL },
01228 };
01229
01230 static void conf_flush(int fd, struct ast_channel *chan)
01231 {
01232 int x;
01233
01234
01235
01236
01237 if (chan) {
01238 struct ast_frame *f;
01239
01240
01241
01242
01243 while (ast_waitfor(chan, 1)) {
01244 f = ast_read(chan);
01245 if (f)
01246 ast_frfree(f);
01247 else
01248 break;
01249 }
01250 }
01251
01252
01253 x = DAHDI_FLUSH_ALL;
01254 if (ioctl(fd, DAHDI_FLUSH, &x))
01255 ast_log(LOG_WARNING, "Error flushing channel\n");
01256
01257 }
01258
01259
01260
01261 static int conf_free(struct ast_conference *conf)
01262 {
01263 int x;
01264 struct announce_listitem *item;
01265
01266 AST_LIST_REMOVE(&confs, conf, list);
01267
01268 if (conf->recording == MEETME_RECORD_ACTIVE) {
01269 conf->recording = MEETME_RECORD_TERMINATE;
01270 AST_LIST_UNLOCK(&confs);
01271 while (1) {
01272 usleep(1);
01273 AST_LIST_LOCK(&confs);
01274 if (conf->recording == MEETME_RECORD_OFF)
01275 break;
01276 AST_LIST_UNLOCK(&confs);
01277 }
01278 }
01279
01280 for (x=0;x<AST_FRAME_BITS;x++) {
01281 if (conf->transframe[x])
01282 ast_frfree(conf->transframe[x]);
01283 if (conf->transpath[x])
01284 ast_translator_free_path(conf->transpath[x]);
01285 }
01286 if (conf->announcethread != AST_PTHREADT_NULL) {
01287 ast_mutex_lock(&conf->announcelistlock);
01288 conf->announcethread_stop = 1;
01289 ast_softhangup(conf->chan, AST_SOFTHANGUP_EXPLICIT);
01290 ast_cond_signal(&conf->announcelist_addition);
01291 ast_mutex_unlock(&conf->announcelistlock);
01292 pthread_join(conf->announcethread, NULL);
01293
01294 while ((item = AST_LIST_REMOVE_HEAD(&conf->announcelist, entry))) {
01295 ast_filedelete(item->namerecloc, NULL);
01296 ao2_ref(item, -1);
01297 }
01298 ast_mutex_destroy(&conf->announcelistlock);
01299 }
01300 if (conf->origframe)
01301 ast_frfree(conf->origframe);
01302 if (conf->lchan)
01303 ast_hangup(conf->lchan);
01304 if (conf->chan)
01305 ast_hangup(conf->chan);
01306 if (conf->fd >= 0)
01307 close(conf->fd);
01308
01309 ast_mutex_destroy(&conf->playlock);
01310 ast_mutex_destroy(&conf->listenlock);
01311 ast_mutex_destroy(&conf->recordthreadlock);
01312 ast_mutex_destroy(&conf->announcethreadlock);
01313
01314 free(conf);
01315
01316 return 0;
01317 }
01318
01319 static void conf_queue_dtmf(const struct ast_conference *conf,
01320 const struct ast_conf_user *sender, struct ast_frame *f)
01321 {
01322 struct ast_conf_user *user;
01323
01324 AST_LIST_TRAVERSE(&conf->userlist, user, list) {
01325 if (user == sender)
01326 continue;
01327 if (ast_write(user->chan, f) < 0)
01328 ast_log(LOG_WARNING, "Error writing frame to channel %s\n", user->chan->name);
01329 }
01330 }
01331
01332 static void sla_queue_event_full(enum sla_event_type type,
01333 struct sla_trunk_ref *trunk_ref, struct sla_station *station, int lock)
01334 {
01335 struct sla_event *event;
01336
01337 if (sla.thread == AST_PTHREADT_NULL) {
01338 return;
01339 }
01340
01341 if (!(event = ast_calloc(1, sizeof(*event))))
01342 return;
01343
01344 event->type = type;
01345 event->trunk_ref = trunk_ref;
01346 event->station = station;
01347
01348 if (!lock) {
01349 AST_LIST_INSERT_TAIL(&sla.event_q, event, entry);
01350 return;
01351 }
01352
01353 ast_mutex_lock(&sla.lock);
01354 AST_LIST_INSERT_TAIL(&sla.event_q, event, entry);
01355 ast_cond_signal(&sla.cond);
01356 ast_mutex_unlock(&sla.lock);
01357 }
01358
01359 static void sla_queue_event_nolock(enum sla_event_type type)
01360 {
01361 sla_queue_event_full(type, NULL, NULL, 0);
01362 }
01363
01364 static void sla_queue_event(enum sla_event_type type)
01365 {
01366 sla_queue_event_full(type, NULL, NULL, 1);
01367 }
01368
01369
01370 static void sla_queue_event_conf(enum sla_event_type type, struct ast_channel *chan,
01371 struct ast_conference *conf)
01372 {
01373 struct sla_station *station;
01374 struct sla_trunk_ref *trunk_ref = NULL;
01375 char *trunk_name;
01376
01377 trunk_name = ast_strdupa(conf->confno);
01378 strsep(&trunk_name, "_");
01379 if (ast_strlen_zero(trunk_name)) {
01380 ast_log(LOG_ERROR, "Invalid conference name for SLA - '%s'!\n", conf->confno);
01381 return;
01382 }
01383
01384 AST_RWLIST_RDLOCK(&sla_stations);
01385 AST_RWLIST_TRAVERSE(&sla_stations, station, entry) {
01386 AST_LIST_TRAVERSE(&station->trunks, trunk_ref, entry) {
01387 if (trunk_ref->chan == chan && !strcmp(trunk_ref->trunk->name, trunk_name))
01388 break;
01389 }
01390 if (trunk_ref)
01391 break;
01392 }
01393 AST_RWLIST_UNLOCK(&sla_stations);
01394
01395 if (!trunk_ref) {
01396 ast_log(LOG_DEBUG, "Trunk not found for event!\n");
01397 return;
01398 }
01399
01400 sla_queue_event_full(type, trunk_ref, station, 1);
01401 }
01402
01403
01404 static int dispose_conf(struct ast_conference *conf)
01405 {
01406 int res = 0;
01407 int confno_int = 0;
01408
01409 AST_LIST_LOCK(&confs);
01410 if (ast_atomic_dec_and_test(&conf->refcount)) {
01411
01412 if ((sscanf(conf->confno, "%d", &confno_int) == 1) && (confno_int >= 0 && confno_int < 1024))
01413 conf_map[confno_int] = 0;
01414 conf_free(conf);
01415 res = 1;
01416 }
01417 AST_LIST_UNLOCK(&confs);
01418
01419 return res;
01420 }
01421
01422 static const char *get_announce_filename(enum announcetypes type)
01423 {
01424 switch (type) {
01425 case CONF_HASLEFT:
01426 return "conf-hasleft";
01427 break;
01428 case CONF_HASJOIN:
01429 return "conf-hasjoin";
01430 break;
01431 default:
01432 return "";
01433 }
01434 }
01435
01436 static void *announce_thread(void *data)
01437 {
01438 struct announce_listitem *current;
01439 struct ast_conference *conf = data;
01440 int res;
01441 char filename[PATH_MAX] = "";
01442 AST_LIST_HEAD_NOLOCK(, announce_listitem) local_list;
01443 AST_LIST_HEAD_INIT_NOLOCK(&local_list);
01444
01445 while (!conf->announcethread_stop) {
01446 ast_mutex_lock(&conf->announcelistlock);
01447 if (conf->announcethread_stop) {
01448 ast_mutex_unlock(&conf->announcelistlock);
01449 break;
01450 }
01451 if (AST_LIST_EMPTY(&conf->announcelist))
01452 ast_cond_wait(&conf->announcelist_addition, &conf->announcelistlock);
01453
01454 AST_LIST_APPEND_LIST(&local_list, &conf->announcelist, entry);
01455 AST_LIST_HEAD_INIT_NOLOCK(&conf->announcelist);
01456
01457 ast_mutex_unlock(&conf->announcelistlock);
01458 if (conf->announcethread_stop) {
01459 break;
01460 }
01461
01462 for (res = 1; !conf->announcethread_stop && (current = AST_LIST_REMOVE_HEAD(&local_list, entry)); ao2_ref(current, -1)) {
01463 ast_log(LOG_DEBUG, "About to play %s\n", current->namerecloc);
01464 if (!ast_fileexists(current->namerecloc, NULL, NULL))
01465 continue;
01466 if ((current->confchan) && (current->confusers > 1) && !ast_check_hangup(current->confchan)) {
01467 if (!ast_streamfile(current->confchan, current->namerecloc, current->language))
01468 res = ast_waitstream(current->confchan, "");
01469 if (!res) {
01470 ast_copy_string(filename, get_announce_filename(current->announcetype), sizeof(filename));
01471 if (!ast_streamfile(current->confchan, filename, current->language))
01472 ast_waitstream(current->confchan, "");
01473 }
01474 }
01475 if (current->announcetype == CONF_HASLEFT) {
01476 ast_filedelete(current->namerecloc, NULL);
01477 }
01478 }
01479 }
01480
01481
01482 while ((current = AST_LIST_REMOVE_HEAD(&local_list, entry))) {
01483 ast_filedelete(current->namerecloc, NULL);
01484 ao2_ref(current, -1);
01485 }
01486 return NULL;
01487 }
01488
01489 static int can_write(struct ast_channel *chan, int confflags)
01490 {
01491 if (!(confflags & CONFFLAG_NO_AUDIO_UNTIL_UP)) {
01492 return 1;
01493 }
01494
01495 return (chan->_state == AST_STATE_UP);
01496 }
01497
01498 static int conf_run(struct ast_channel *chan, struct ast_conference *conf, int confflags, char *optargs[])
01499 {
01500 struct ast_conf_user *user = NULL;
01501 struct ast_conf_user *usr = NULL;
01502 int fd;
01503 struct dahdi_confinfo ztc, ztc_empty;
01504 struct ast_frame *f;
01505 struct ast_channel *c;
01506 struct ast_frame fr;
01507 int outfd;
01508 int ms;
01509 int nfds;
01510 int res;
01511 int flags;
01512 int retryzap;
01513 int origfd;
01514 int musiconhold = 0;
01515 int firstpass = 0;
01516 int lastmarked = 0;
01517 int currentmarked = 0;
01518 int ret = -1;
01519 int x;
01520 int menu_active = 0;
01521 int using_pseudo = 0;
01522 int duration=20;
01523 int hr, min, sec;
01524 int sent_event = 0;
01525 time_t now;
01526 struct ast_dsp *dsp=NULL;
01527 struct ast_app *app;
01528 const char *agifile;
01529 const char *agifiledefault = "conf-background.agi";
01530 char meetmesecs[30] = "";
01531 char exitcontext[AST_MAX_CONTEXT] = "";
01532 char recordingtmp[AST_MAX_EXTENSION] = "";
01533 char members[10] = "";
01534 int dtmf, opt_waitmarked_timeout = 0;
01535 time_t timeout = 0;
01536 struct dahdi_bufferinfo bi;
01537 char __buf[CONF_SIZE + AST_FRIENDLY_OFFSET];
01538 char *buf = __buf + AST_FRIENDLY_OFFSET;
01539 int setusercount = 0;
01540
01541 if (!(user = ast_calloc(1, sizeof(*user))))
01542 return ret;
01543
01544
01545 if ((confflags & CONFFLAG_WAITMARKED) &&
01546 !ast_strlen_zero(optargs[OPT_ARG_WAITMARKED]) &&
01547 (sscanf(optargs[OPT_ARG_WAITMARKED], "%d", &opt_waitmarked_timeout) == 1) &&
01548 (opt_waitmarked_timeout > 0)) {
01549 timeout = time(NULL) + opt_waitmarked_timeout;
01550 }
01551
01552 if (confflags & CONFFLAG_RECORDCONF) {
01553 if (!conf->recordingfilename) {
01554 conf->recordingfilename = pbx_builtin_getvar_helper(chan, "MEETME_RECORDINGFILE");
01555 if (!conf->recordingfilename) {
01556 snprintf(recordingtmp, sizeof(recordingtmp), "meetme-conf-rec-%s-%s", conf->confno, chan->uniqueid);
01557 conf->recordingfilename = ast_strdupa(recordingtmp);
01558 }
01559 conf->recordingformat = pbx_builtin_getvar_helper(chan, "MEETME_RECORDINGFORMAT");
01560 if (!conf->recordingformat) {
01561 snprintf(recordingtmp, sizeof(recordingtmp), "wav");
01562 conf->recordingformat = ast_strdupa(recordingtmp);
01563 }
01564 ast_verbose(VERBOSE_PREFIX_4 "Starting recording of MeetMe Conference %s into file %s.%s.\n",
01565 conf->confno, conf->recordingfilename, conf->recordingformat);
01566 }
01567 }
01568
01569 ast_mutex_lock(&conf->recordthreadlock);
01570 if ((conf->recordthread == AST_PTHREADT_NULL) && (confflags & CONFFLAG_RECORDCONF) && ((conf->lchan = ast_request(dahdi_chan_name, AST_FORMAT_SLINEAR, "pseudo", NULL)))) {
01571 ast_set_read_format(conf->lchan, AST_FORMAT_SLINEAR);
01572 ast_set_write_format(conf->lchan, AST_FORMAT_SLINEAR);
01573 ztc.chan = 0;
01574 ztc.confno = conf->zapconf;
01575 ztc.confmode = DAHDI_CONF_CONFANN | DAHDI_CONF_CONFANNMON;
01576 if (ioctl(conf->lchan->fds[0], DAHDI_SETCONF, &ztc)) {
01577 ast_log(LOG_WARNING, "Error starting listen channel\n");
01578 ast_hangup(conf->lchan);
01579 conf->lchan = NULL;
01580 } else {
01581 pthread_attr_init(&conf->attr);
01582 pthread_attr_setdetachstate(&conf->attr, PTHREAD_CREATE_DETACHED);
01583 ast_pthread_create_background(&conf->recordthread, &conf->attr, recordthread, conf);
01584 pthread_attr_destroy(&conf->attr);
01585 }
01586 }
01587 ast_mutex_unlock(&conf->recordthreadlock);
01588
01589 ast_mutex_lock(&conf->announcethreadlock);
01590 if ((conf->announcethread == AST_PTHREADT_NULL) && !(confflags & CONFFLAG_QUIET) && ((confflags & CONFFLAG_INTROUSER) || (confflags & CONFFLAG_INTROUSERNOREVIEW))) {
01591 ast_mutex_init(&conf->announcelistlock);
01592 AST_LIST_HEAD_INIT_NOLOCK(&conf->announcelist);
01593 ast_pthread_create_background(&conf->announcethread, NULL, announce_thread, conf);
01594 }
01595 ast_mutex_unlock(&conf->announcethreadlock);
01596
01597 time(&user->jointime);
01598
01599 if (conf->locked && (!(confflags & CONFFLAG_ADMIN))) {
01600
01601 if (!ast_streamfile(chan, "conf-locked", chan->language))
01602 ast_waitstream(chan, "");
01603 goto outrun;
01604 }
01605
01606 ast_mutex_lock(&conf->playlock);
01607
01608 if (AST_LIST_EMPTY(&conf->userlist))
01609 user->user_no = 1;
01610 else
01611 user->user_no = AST_LIST_LAST(&conf->userlist)->user_no + 1;
01612
01613 AST_LIST_INSERT_TAIL(&conf->userlist, user, list);
01614
01615 user->chan = chan;
01616 user->userflags = confflags;
01617 user->adminflags = (confflags & CONFFLAG_STARTMUTED) ? ADMINFLAG_SELFMUTED : 0;
01618 user->talking = -1;
01619
01620 ast_mutex_unlock(&conf->playlock);
01621
01622 if (!(confflags & CONFFLAG_QUIET) && ((confflags & CONFFLAG_INTROUSER) || (confflags & CONFFLAG_INTROUSERNOREVIEW))) {
01623 char destdir[PATH_MAX];
01624
01625 snprintf(destdir, sizeof(destdir), "%s/meetme", ast_config_AST_SPOOL_DIR);
01626
01627 if (mkdir(destdir, 0777) && errno != EEXIST) {
01628 ast_log(LOG_WARNING, "mkdir '%s' failed: %s\n", destdir, strerror(errno));
01629 goto outrun;
01630 }
01631
01632 snprintf(user->namerecloc, sizeof(user->namerecloc),
01633 "%s/meetme-username-%s-%d", destdir,
01634 conf->confno, user->user_no);
01635 if (confflags & CONFFLAG_INTROUSERNOREVIEW)
01636 res = ast_play_and_record(chan, "vm-rec-name", user->namerecloc, 10, "sln", &duration, 128, 0, NULL);
01637 else
01638 res = ast_record_review(chan, "vm-rec-name", user->namerecloc, 10, "sln", &duration, NULL);
01639 if (res == -1)
01640 goto outrun;
01641 }
01642
01643 ast_mutex_lock(&conf->playlock);
01644
01645 if (confflags & CONFFLAG_MARKEDUSER)
01646 conf->markedusers++;
01647 conf->users++;
01648
01649 snprintf(members, sizeof(members), "%d", conf->users);
01650 ast_update_realtime("meetme", "confno", conf->confno, "members", members , NULL);
01651 setusercount = 1;
01652
01653
01654 if (conf->users == 1)
01655 ast_device_state_changed("meetme:%s", conf->confno);
01656
01657 ast_mutex_unlock(&conf->playlock);
01658
01659 if (confflags & CONFFLAG_EXIT_CONTEXT) {
01660 if ((agifile = pbx_builtin_getvar_helper(chan, "MEETME_EXIT_CONTEXT")))
01661 ast_copy_string(exitcontext, agifile, sizeof(exitcontext));
01662 else if (!ast_strlen_zero(chan->macrocontext))
01663 ast_copy_string(exitcontext, chan->macrocontext, sizeof(exitcontext));
01664 else
01665 ast_copy_string(exitcontext, chan->context, sizeof(exitcontext));
01666 }
01667
01668
01669 if ((confflags & CONFFLAG_INTROMSG) &&
01670 !ast_strlen_zero(optargs[OPT_ARG_INTROMSG])) {
01671 if (!ast_streamfile(chan, optargs[OPT_ARG_INTROMSG], chan->language))
01672 ast_waitstream(chan, "");
01673 }
01674
01675 if ( !(confflags & (CONFFLAG_QUIET | CONFFLAG_NOONLYPERSON)) ) {
01676 if (conf->users == 1 && !(confflags & CONFFLAG_WAITMARKED))
01677 if (!ast_streamfile(chan, "conf-onlyperson", chan->language))
01678 ast_waitstream(chan, "");
01679 if ((confflags & CONFFLAG_WAITMARKED) && conf->markedusers == 0)
01680 if (!ast_streamfile(chan, "conf-waitforleader", chan->language))
01681 ast_waitstream(chan, "");
01682 }
01683
01684 if (!(confflags & CONFFLAG_QUIET) && (confflags & CONFFLAG_ANNOUNCEUSERCOUNT) && conf->users > 1) {
01685 int keepplaying = 1;
01686
01687 if (conf->users == 2) {
01688 if (!ast_streamfile(chan,"conf-onlyone",chan->language)) {
01689 res = ast_waitstream(chan, AST_DIGIT_ANY);
01690 ast_stopstream(chan);
01691 if (res > 0)
01692 keepplaying=0;
01693 else if (res == -1)
01694 goto outrun;
01695 }
01696 } else {
01697 if (!ast_streamfile(chan, "conf-thereare", chan->language)) {
01698 res = ast_waitstream(chan, AST_DIGIT_ANY);
01699 ast_stopstream(chan);
01700 if (res > 0)
01701 keepplaying=0;
01702 else if (res == -1)
01703 goto outrun;
01704 }
01705 if (keepplaying) {
01706 res = ast_say_number(chan, conf->users - 1, AST_DIGIT_ANY, chan->language, (char *) NULL);
01707 if (res > 0)
01708 keepplaying=0;
01709 else if (res == -1)
01710 goto outrun;
01711 }
01712 if (keepplaying && !ast_streamfile(chan, "conf-otherinparty", chan->language)) {
01713 res = ast_waitstream(chan, AST_DIGIT_ANY);
01714 ast_stopstream(chan);
01715 if (res > 0)
01716 keepplaying=0;
01717 else if (res == -1)
01718 goto outrun;
01719 }
01720 }
01721 }
01722
01723 if (!(confflags & CONFFLAG_NO_AUDIO_UNTIL_UP)) {
01724
01725 ast_indicate(chan, -1);
01726 }
01727
01728 if (ast_set_write_format(chan, AST_FORMAT_SLINEAR) < 0) {
01729 ast_log(LOG_WARNING, "Unable to set '%s' to write linear mode\n", chan->name);
01730 goto outrun;
01731 }
01732
01733 if (ast_set_read_format(chan, AST_FORMAT_SLINEAR) < 0) {
01734 ast_log(LOG_WARNING, "Unable to set '%s' to read linear mode\n", chan->name);
01735 goto outrun;
01736 }
01737
01738 retryzap = (strcasecmp(chan->tech->type, dahdi_chan_name) || (chan->audiohooks || chan->monitor) ? 1 : 0);
01739 user->zapchannel = !retryzap;
01740
01741 zapretry:
01742 origfd = chan->fds[0];
01743 if (retryzap) {
01744 fd = open(DAHDI_FILE_PSEUDO, O_RDWR);
01745 if (fd < 0) {
01746 ast_log(LOG_WARNING, "Unable to open pseudo channel: %s\n", strerror(errno));
01747 goto outrun;
01748 }
01749 using_pseudo = 1;
01750
01751 flags = fcntl(fd, F_GETFL);
01752 if (flags < 0) {
01753 ast_log(LOG_WARNING, "Unable to get flags: %s\n", strerror(errno));
01754 close(fd);
01755 goto outrun;
01756 }
01757 if (fcntl(fd, F_SETFL, flags | O_NONBLOCK)) {
01758 ast_log(LOG_WARNING, "Unable to set flags: %s\n", strerror(errno));
01759 close(fd);
01760 goto outrun;
01761 }
01762
01763 memset(&bi, 0, sizeof(bi));
01764 bi.bufsize = CONF_SIZE/2;
01765 bi.txbufpolicy = DAHDI_POLICY_IMMEDIATE;
01766 bi.rxbufpolicy = DAHDI_POLICY_IMMEDIATE;
01767 bi.numbufs = audio_buffers;
01768 if (ioctl(fd, DAHDI_SET_BUFINFO, &bi)) {
01769 ast_log(LOG_WARNING, "Unable to set buffering information: %s\n", strerror(errno));
01770 close(fd);
01771 goto outrun;
01772 }
01773 x = 1;
01774 if (ioctl(fd, DAHDI_SETLINEAR, &x)) {
01775 ast_log(LOG_WARNING, "Unable to set linear mode: %s\n", strerror(errno));
01776 close(fd);
01777 goto outrun;
01778 }
01779 nfds = 1;
01780 } else {
01781
01782 fd = chan->fds[0];
01783 nfds = 0;
01784 }
01785 memset(&ztc, 0, sizeof(ztc));
01786 memset(&ztc_empty, 0, sizeof(ztc_empty));
01787
01788 ztc.chan = 0;
01789 if (ioctl(fd, DAHDI_GETCONF, &ztc)) {
01790 ast_log(LOG_WARNING, "Error getting conference\n");
01791 close(fd);
01792 goto outrun;
01793 }
01794 if (ztc.confmode) {
01795
01796 if (!retryzap) {
01797 ast_log(LOG_DEBUG, "%s channel is in a conference already, retrying with pseudo\n", dahdi_chan_name);
01798 retryzap = 1;
01799 goto zapretry;
01800 }
01801 }
01802 memset(&ztc, 0, sizeof(ztc));
01803
01804 ztc.chan = 0;
01805 ztc.confno = conf->zapconf;
01806
01807 if (!(confflags & CONFFLAG_QUIET) && ((confflags & CONFFLAG_INTROUSER) || (confflags & CONFFLAG_INTROUSERNOREVIEW)) && conf->users > 1) {
01808 struct announce_listitem *item;
01809 if (!(item = ao2_alloc(sizeof(*item), NULL)))
01810 return -1;
01811 ast_copy_string(item->namerecloc, user->namerecloc, sizeof(item->namerecloc));
01812 ast_copy_string(item->language, chan->language, sizeof(item->language));
01813 item->confchan = conf->chan;
01814 item->confusers = conf->users;
01815 item->announcetype = CONF_HASJOIN;
01816 ast_mutex_lock(&conf->announcelistlock);
01817 ao2_ref(item, +1);
01818 AST_LIST_INSERT_TAIL(&conf->announcelist, item, entry);
01819 ast_cond_signal(&conf->announcelist_addition);
01820 ast_mutex_unlock(&conf->announcelistlock);
01821
01822 while (!ast_check_hangup(conf->chan) && ao2_ref(item, 0) == 2 && !ast_safe_sleep(chan, 1000)) {
01823 ;
01824 }
01825 ao2_ref(item, -1);
01826 }
01827
01828 if (confflags & CONFFLAG_WAITMARKED && !conf->markedusers)
01829 ztc.confmode = DAHDI_CONF_CONF;
01830 else if (confflags & CONFFLAG_MONITOR)
01831 ztc.confmode = DAHDI_CONF_CONFMON | DAHDI_CONF_LISTENER;
01832 else if (confflags & CONFFLAG_TALKER)
01833 ztc.confmode = DAHDI_CONF_CONF | DAHDI_CONF_TALKER;
01834 else
01835 ztc.confmode = DAHDI_CONF_CONF | DAHDI_CONF_TALKER | DAHDI_CONF_LISTENER;
01836
01837 if (ioctl(fd, DAHDI_SETCONF, &ztc)) {
01838 ast_log(LOG_WARNING, "Error setting conference\n");
01839 close(fd);
01840 goto outrun;
01841 }
01842 ast_log(LOG_DEBUG, "Placed channel %s in %s conf %d\n", chan->name, dahdi_chan_name, conf->zapconf);
01843
01844 if (!sent_event) {
01845 manager_event(EVENT_FLAG_CALL, "MeetmeJoin",
01846 "Channel: %s\r\n"
01847 "Uniqueid: %s\r\n"
01848 "Meetme: %s\r\n"
01849 "Usernum: %d\r\n",
01850 chan->name, chan->uniqueid, conf->confno, user->user_no);
01851 sent_event = 1;
01852 }
01853
01854 if (!firstpass && !(confflags & CONFFLAG_MONITOR) && !(confflags & CONFFLAG_ADMIN)) {
01855 firstpass = 1;
01856 if (!(confflags & CONFFLAG_QUIET))
01857 if (!(confflags & CONFFLAG_WAITMARKED) || ((confflags & CONFFLAG_MARKEDUSER) && (conf->markedusers >= 1)))
01858 conf_play(chan, conf, ENTER);
01859 }
01860
01861 conf_flush(fd, chan);
01862
01863 if (confflags & CONFFLAG_AGI) {
01864
01865
01866
01867 agifile = pbx_builtin_getvar_helper(chan, "MEETME_AGI_BACKGROUND");
01868 if (!agifile)
01869 agifile = agifiledefault;
01870
01871 if (user->zapchannel) {
01872
01873 x = 1;
01874 ast_channel_setoption(chan, AST_OPTION_TONE_VERIFY, &x, sizeof(char), 0);
01875 }
01876
01877 app = pbx_findapp("agi");
01878 if (app) {
01879 char *s = ast_strdupa(agifile);
01880 ret = pbx_exec(chan, app, s);
01881 } else {
01882 ast_log(LOG_WARNING, "Could not find application (agi)\n");
01883 ret = -2;
01884 }
01885 if (user->zapchannel) {
01886
01887 x = 0;
01888 ast_channel_setoption(chan, AST_OPTION_TONE_VERIFY, &x, sizeof(char), 0);
01889 }
01890 } else {
01891 if (user->zapchannel && (confflags & CONFFLAG_STARMENU)) {
01892
01893 x = 1;
01894 ast_channel_setoption(chan, AST_OPTION_TONE_VERIFY, &x, sizeof(char), 0);
01895 }
01896 if (confflags & (CONFFLAG_MONITORTALKER | CONFFLAG_OPTIMIZETALKER) && !(dsp = ast_dsp_new())) {
01897 ast_log(LOG_WARNING, "Unable to allocate DSP!\n");
01898 res = -1;
01899 }
01900 for(;;) {
01901 int menu_was_active = 0;
01902
01903 outfd = -1;
01904 ms = -1;
01905
01906 if (timeout && time(NULL) >= timeout)
01907 break;
01908
01909
01910
01911
01912 if (!menu_active && menu_was_active && user->listen.desired && !user->listen.actual)
01913 set_talk_volume(user, user->listen.desired);
01914
01915 menu_was_active = menu_active;
01916
01917 currentmarked = conf->markedusers;
01918 if (!(confflags & CONFFLAG_QUIET) &&
01919 (confflags & CONFFLAG_MARKEDUSER) &&
01920 (confflags & CONFFLAG_WAITMARKED) &&
01921 lastmarked == 0) {
01922 if (currentmarked == 1 && conf->users > 1) {
01923 ast_say_number(chan, conf->users - 1, AST_DIGIT_ANY, chan->language, (char *) NULL);
01924 if (conf->users - 1 == 1) {
01925 if (!ast_streamfile(chan, "conf-userwilljoin", chan->language))
01926 ast_waitstream(chan, "");
01927 } else {
01928 if (!ast_streamfile(chan, "conf-userswilljoin", chan->language))
01929 ast_waitstream(chan, "");
01930 }
01931 }
01932 if (conf->users == 1 && ! (confflags & CONFFLAG_MARKEDUSER))
01933 if (!ast_streamfile(chan, "conf-onlyperson", chan->language))
01934 ast_waitstream(chan, "");
01935 }
01936
01937 c = ast_waitfor_nandfds(&chan, 1, &fd, nfds, NULL, &outfd, &ms);
01938
01939
01940
01941 user->userflags = confflags;
01942
01943 if (confflags & CONFFLAG_WAITMARKED) {
01944 if(currentmarked == 0) {
01945 if (lastmarked != 0) {
01946 if (!(confflags & CONFFLAG_QUIET))
01947 if (!ast_streamfile(chan, "conf-leaderhasleft", chan->language))
01948 ast_waitstream(chan, "");
01949 if(confflags & CONFFLAG_MARKEDEXIT)
01950 break;
01951 else {
01952 ztc.confmode = DAHDI_CONF_CONF;
01953 if (ioctl(fd, DAHDI_SETCONF, &ztc)) {
01954 ast_log(LOG_WARNING, "Error setting conference\n");
01955 close(fd);
01956 goto outrun;
01957 }
01958 }
01959 }
01960 if (musiconhold == 0 && (confflags & CONFFLAG_MOH)) {
01961 ast_moh_start(chan, NULL, NULL);
01962 musiconhold = 1;
01963 }
01964 } else if(currentmarked >= 1 && lastmarked == 0) {
01965
01966 timeout = 0;
01967 if (confflags & CONFFLAG_MONITOR)
01968 ztc.confmode = DAHDI_CONF_CONFMON | DAHDI_CONF_LISTENER;
01969 else if (confflags & CONFFLAG_TALKER)
01970 ztc.confmode = DAHDI_CONF_CONF | DAHDI_CONF_TALKER;
01971 else
01972 ztc.confmode = DAHDI_CONF_CONF | DAHDI_CONF_TALKER | DAHDI_CONF_LISTENER;
01973 if (ioctl(fd, DAHDI_SETCONF, &ztc)) {
01974 ast_log(LOG_WARNING, "Error setting conference\n");
01975 close(fd);
01976 goto outrun;
01977 }
01978 if (musiconhold && (confflags & CONFFLAG_MOH)) {
01979 ast_moh_stop(chan);
01980 musiconhold = 0;
01981 }
01982 if ( !(confflags & CONFFLAG_QUIET) && !(confflags & CONFFLAG_MARKEDUSER)) {
01983 if (!ast_streamfile(chan, "conf-placeintoconf", chan->language))
01984 ast_waitstream(chan, "");
01985 conf_play(chan, conf, ENTER);
01986 }
01987 }
01988 }
01989
01990
01991 if ((confflags & CONFFLAG_MOH) && !(confflags & CONFFLAG_WAITMARKED)) {
01992 if (conf->users == 1) {
01993 if (musiconhold == 0) {
01994 ast_moh_start(chan, NULL, NULL);
01995 musiconhold = 1;
01996 }
01997 } else {
01998 if (musiconhold) {
01999 ast_moh_stop(chan);
02000 musiconhold = 0;
02001 }
02002 }
02003 }
02004
02005
02006 if (currentmarked == 0 && lastmarked != 0 && (confflags & CONFFLAG_MARKEDEXIT)) {
02007 ret = -1;
02008 break;
02009 }
02010
02011
02012
02013
02014 if ((user->adminflags & (ADMINFLAG_MUTED | ADMINFLAG_SELFMUTED)) && (ztc.confmode & DAHDI_CONF_TALKER)) {
02015 ztc.confmode ^= DAHDI_CONF_TALKER;
02016 if (ioctl(fd, DAHDI_SETCONF, &ztc)) {
02017 ast_log(LOG_WARNING, "Error setting conference - Un/Mute \n");
02018 ret = -1;
02019 break;
02020 }
02021
02022 manager_event(EVENT_FLAG_CALL, "MeetmeMute",
02023 "Channel: %s\r\n"
02024 "Uniqueid: %s\r\n"
02025 "Meetme: %s\r\n"
02026 "Usernum: %i\r\n"
02027 "Status: on\r\n",
02028 chan->name, chan->uniqueid, conf->confno, user->user_no);
02029 }
02030
02031
02032 if (!(user->adminflags & (ADMINFLAG_MUTED | ADMINFLAG_SELFMUTED)) && !(confflags & CONFFLAG_MONITOR) && !(ztc.confmode & DAHDI_CONF_TALKER)) {
02033 ztc.confmode |= DAHDI_CONF_TALKER;
02034 if (ioctl(fd, DAHDI_SETCONF, &ztc)) {
02035 ast_log(LOG_WARNING, "Error setting conference - Un/Mute \n");
02036 ret = -1;
02037 break;
02038 }
02039
02040 manager_event(EVENT_FLAG_CALL, "MeetmeMute",
02041 "Channel: %s\r\n"
02042 "Uniqueid: %s\r\n"
02043 "Meetme: %s\r\n"
02044 "Usernum: %i\r\n"
02045 "Status: off\r\n",
02046 chan->name, chan->uniqueid, conf->confno, user->user_no);
02047 }
02048
02049
02050 if (user->adminflags & ADMINFLAG_KICKME) {
02051
02052 if (!(confflags & CONFFLAG_QUIET) &&
02053 !ast_streamfile(chan, "conf-kicked", chan->language)) {
02054 ast_waitstream(chan, "");
02055 }
02056 ret = 0;
02057 break;
02058 }
02059
02060
02061 if (ast_check_hangup(chan))
02062 break;
02063
02064 if (c) {
02065 char dtmfstr[2] = "";
02066
02067 if (c->fds[0] != origfd || (user->zapchannel && (c->audiohooks || c->monitor))) {
02068 if (using_pseudo) {
02069
02070 close(fd);
02071 using_pseudo = 0;
02072 }
02073 ast_log(LOG_DEBUG, "Ooh, something swapped out under us, starting over\n");
02074 retryzap = (strcasecmp(c->tech->type, dahdi_chan_name) || (c->audiohooks || c->monitor) ? 1 : 0);
02075 user->zapchannel = !retryzap;
02076 goto zapretry;
02077 }
02078 if ((confflags & CONFFLAG_MONITOR) || (user->adminflags & (ADMINFLAG_MUTED | ADMINFLAG_SELFMUTED)))
02079 f = ast_read_noaudio(c);
02080 else
02081 f = ast_read(c);
02082 if (!f)
02083 break;
02084 if (f->frametype == AST_FRAME_DTMF) {
02085 dtmfstr[0] = f->subclass;
02086 dtmfstr[1] = '\0';
02087 }
02088
02089 if ((f->frametype == AST_FRAME_VOICE) && (f->subclass == AST_FORMAT_SLINEAR)) {
02090 if (user->talk.actual)
02091 ast_frame_adjust_volume(f, user->talk.actual);
02092
02093 if (confflags & (CONFFLAG_MONITORTALKER | CONFFLAG_OPTIMIZETALKER)) {
02094 int totalsilence;
02095
02096 if (user->talking == -1)
02097 user->talking = 0;
02098
02099 res = ast_dsp_silence(dsp, f, &totalsilence);
02100 if (!user->talking && totalsilence < MEETME_DELAYDETECTTALK) {
02101 user->talking = 1;
02102 if (confflags & CONFFLAG_MONITORTALKER)
02103 manager_event(EVENT_FLAG_CALL, "MeetmeTalking",
02104 "Channel: %s\r\n"
02105 "Uniqueid: %s\r\n"
02106 "Meetme: %s\r\n"
02107 "Usernum: %d\r\n"
02108 "Status: on\r\n",
02109 chan->name, chan->uniqueid, conf->confno, user->user_no);
02110 }
02111 if (user->talking && totalsilence > MEETME_DELAYDETECTENDTALK) {
02112 user->talking = 0;
02113 if (confflags & CONFFLAG_MONITORTALKER)
02114 manager_event(EVENT_FLAG_CALL, "MeetmeTalking",
02115 "Channel: %s\r\n"
02116 "Uniqueid: %s\r\n"
02117 "Meetme: %s\r\n"
02118 "Usernum: %d\r\n"
02119 "Status: off\r\n",
02120 chan->name, chan->uniqueid, conf->confno, user->user_no);
02121 }
02122 }
02123 if (using_pseudo) {
02124
02125
02126
02127
02128
02129
02130
02131
02132
02133
02134
02135
02136 if (user->talking || !(confflags & CONFFLAG_OPTIMIZETALKER))
02137 careful_write(fd, f->data, f->datalen, 0);
02138 }
02139 } else if ((f->frametype == AST_FRAME_DTMF) && (f->subclass == '#') && (confflags & CONFFLAG_POUNDEXIT)) {
02140 if (confflags & CONFFLAG_PASS_DTMF)
02141 conf_queue_dtmf(conf, user, f);
02142 ret = 0;
02143 ast_frfree(f);
02144 break;
02145 } else if (((f->frametype == AST_FRAME_DTMF) && (f->subclass == '*') && (confflags & CONFFLAG_STARMENU)) || ((f->frametype == AST_FRAME_DTMF) && menu_active)) {
02146 if (confflags & CONFFLAG_PASS_DTMF)
02147 conf_queue_dtmf(conf, user, f);
02148 if (ioctl(fd, DAHDI_SETCONF, &ztc_empty)) {
02149 ast_log(LOG_WARNING, "Error setting conference\n");
02150 close(fd);
02151 ast_frfree(f);
02152 goto outrun;
02153 }
02154
02155
02156
02157
02158 if (!menu_active && user->talk.desired && !user->talk.actual)
02159 set_talk_volume(user, 0);
02160
02161 if (musiconhold) {
02162 ast_moh_stop(chan);
02163 }
02164 if ((confflags & CONFFLAG_ADMIN)) {
02165
02166 if (!menu_active) {
02167 menu_active = 1;
02168
02169 if (!ast_streamfile(chan, "conf-adminmenu", chan->language)) {
02170 dtmf = ast_waitstream(chan, AST_DIGIT_ANY);
02171 ast_stopstream(chan);
02172 } else
02173 dtmf = 0;
02174 } else
02175 dtmf = f->subclass;
02176 if (dtmf) {
02177 switch(dtmf) {
02178 case '1':
02179 menu_active = 0;
02180
02181
02182 if (user->adminflags & (ADMINFLAG_MUTED | ADMINFLAG_SELFMUTED))
02183 user->adminflags &= ~(ADMINFLAG_MUTED | ADMINFLAG_SELFMUTED);
02184 else
02185 user->adminflags |= (ADMINFLAG_MUTED | ADMINFLAG_SELFMUTED);
02186
02187 if ((confflags & CONFFLAG_MONITOR) || (user->adminflags & (ADMINFLAG_MUTED | ADMINFLAG_SELFMUTED))) {
02188 if (!ast_streamfile(chan, "conf-muted", chan->language))
02189 ast_waitstream(chan, "");
02190 } else {
02191 if (!ast_streamfile(chan, "conf-unmuted", chan->language))
02192 ast_waitstream(chan, "");
02193 }
02194 break;
02195 case '2':
02196 menu_active = 0;
02197 if (conf->locked) {
02198 conf->locked = 0;
02199 if (!ast_streamfile(chan, "conf-unlockednow", chan->language))
02200 ast_waitstream(chan, "");
02201 } else {
02202 conf->locked = 1;
02203 if (!ast_streamfile(chan, "conf-lockednow", chan->language))
02204 ast_waitstream(chan, "");
02205 }
02206 break;
02207 case '3':
02208 menu_active = 0;
02209 usr = AST_LIST_LAST(&conf->userlist);
02210 if ((usr->chan->name == chan->name)||(usr->userflags & CONFFLAG_ADMIN)) {
02211 if(!ast_streamfile(chan, "conf-errormenu", chan->language))
02212 ast_waitstream(chan, "");
02213 } else
02214 usr->adminflags |= ADMINFLAG_KICKME;
02215 ast_stopstream(chan);
02216 break;
02217 case '4':
02218 tweak_listen_volume(user, VOL_DOWN);
02219 break;
02220 case '6':
02221 tweak_listen_volume(user, VOL_UP);
02222 break;
02223 case '7':
02224 tweak_talk_volume(user, VOL_DOWN);
02225 break;
02226 case '8':
02227 menu_active = 0;
02228 break;
02229 case '9':
02230 tweak_talk_volume(user, VOL_UP);
02231 break;
02232 default:
02233 menu_active = 0;
02234
02235 if (!ast_streamfile(chan, "conf-errormenu", chan->language))
02236 ast_waitstream(chan, "");
02237 break;
02238 }
02239 }
02240 } else {
02241
02242 if (!menu_active) {
02243 menu_active = 1;
02244 if (!ast_streamfile(chan, "conf-usermenu", chan->language)) {
02245 dtmf = ast_waitstream(chan, AST_DIGIT_ANY);
02246 ast_stopstream(chan);
02247 } else
02248 dtmf = 0;
02249 } else
02250 dtmf = f->subclass;
02251 if (dtmf) {
02252 switch(dtmf) {
02253 case '1':
02254 menu_active = 0;
02255
02256
02257 user->adminflags ^= ADMINFLAG_SELFMUTED;
02258
02259
02260 if ((confflags & CONFFLAG_MONITOR) || (user->adminflags & (ADMINFLAG_MUTED | ADMINFLAG_SELFMUTED))) {
02261 if (!ast_streamfile(chan, "conf-muted", chan->language))
02262 ast_waitstream(chan, "");
02263 } else {
02264 if (!ast_streamfile(chan, "conf-unmuted", chan->language))
02265 ast_waitstream(chan, "");
02266 }
02267 break;
02268 case '4':
02269 tweak_listen_volume(user, VOL_DOWN);
02270 break;
02271 case '6':
02272 tweak_listen_volume(user, VOL_UP);
02273 break;
02274 case '7':
02275 tweak_talk_volume(user, VOL_DOWN);
02276 break;
02277 case '8':
02278 menu_active = 0;
02279 break;
02280 case '9':
02281 tweak_talk_volume(user, VOL_UP);
02282 break;
02283 default:
02284 menu_active = 0;
02285 if (!ast_streamfile(chan, "conf-errormenu", chan->language))
02286 ast_waitstream(chan, "");
02287 break;
02288 }
02289 }
02290 }
02291 if (musiconhold)
02292 ast_moh_start(chan, NULL, NULL);
02293
02294 if (ioctl(fd, DAHDI_SETCONF, &ztc)) {
02295 ast_log(LOG_WARNING, "Error setting conference\n");
02296 close(fd);
02297 ast_frfree(f);
02298 goto outrun;
02299 }
02300
02301 conf_flush(fd, chan);
02302
02303 } else if ((f->frametype == AST_FRAME_DTMF) && (confflags & CONFFLAG_EXIT_CONTEXT) && ast_exists_extension(chan, exitcontext, dtmfstr, 1, "")) {
02304 if (confflags & CONFFLAG_PASS_DTMF)
02305 conf_queue_dtmf(conf, user, f);
02306
02307 if (!ast_goto_if_exists(chan, exitcontext, dtmfstr, 1)) {
02308 ast_log(LOG_DEBUG, "Got DTMF %c, goto context %s\n", dtmfstr[0], exitcontext);
02309 ret = 0;
02310 ast_frfree(f);
02311 break;
02312 } else if (option_debug > 1)
02313 ast_log(LOG_DEBUG, "Exit by single digit did not work in meetme. Extension '%s' does not exist in context '%s'\n", dtmfstr, exitcontext);
02314 } else if ((f->frametype == AST_FRAME_DTMF_BEGIN || f->frametype == AST_FRAME_DTMF_END)
02315 && confflags & CONFFLAG_PASS_DTMF) {
02316 conf_queue_dtmf(conf, user, f);
02317 } else if ((confflags & CONFFLAG_SLA_STATION) && f->frametype == AST_FRAME_CONTROL) {
02318 switch (f->subclass) {
02319 case AST_CONTROL_HOLD:
02320 sla_queue_event_conf(SLA_EVENT_HOLD, chan, conf);
02321 break;
02322 default:
02323 break;
02324 }
02325 } else if (f->frametype == AST_FRAME_NULL) {
02326
02327 } else if (option_debug) {
02328 ast_log(LOG_DEBUG,
02329 "Got unrecognized frame on channel %s, f->frametype=%d,f->subclass=%d\n",
02330 chan->name, f->frametype, f->subclass);
02331 }
02332 ast_frfree(f);
02333 } else if (outfd > -1) {
02334 res = read(outfd, buf, CONF_SIZE);
02335 if (res > 0) {
02336 memset(&fr, 0, sizeof(fr));
02337 fr.frametype = AST_FRAME_VOICE;
02338 fr.subclass = AST_FORMAT_SLINEAR;
02339 fr.datalen = res;
02340 fr.samples = res/2;
02341 fr.data = buf;
02342 fr.offset = AST_FRIENDLY_OFFSET;
02343 if (!user->listen.actual &&
02344 ((confflags & CONFFLAG_MONITOR) ||
02345 (user->adminflags & (ADMINFLAG_MUTED | ADMINFLAG_SELFMUTED)) ||
02346 (!user->talking && (confflags & CONFFLAG_OPTIMIZETALKER))
02347 )) {
02348 int index;
02349 for (index=0;index<AST_FRAME_BITS;index++)
02350 if (chan->rawwriteformat & (1 << index))
02351 break;
02352 if (index >= AST_FRAME_BITS)
02353 goto bailoutandtrynormal;
02354 ast_mutex_lock(&conf->listenlock);
02355 if (!conf->transframe[index]) {
02356 if (conf->origframe) {
02357 if (!conf->transpath[index])
02358 conf->transpath[index] = ast_translator_build_path((1 << index), AST_FORMAT_SLINEAR);
02359 if (conf->transpath[index]) {
02360 conf->transframe[index] = ast_translate(conf->transpath[index], conf->origframe, 0);
02361 if (!conf->transframe[index])
02362 conf->transframe[index] = &ast_null_frame;
02363 }
02364 }
02365 }
02366 if (conf->transframe[index]) {
02367 if (conf->transframe[index]->frametype != AST_FRAME_NULL) {
02368 if (can_write(chan, confflags) && ast_write(chan, conf->transframe[index]))
02369 ast_log(LOG_WARNING, "Unable to write frame to channel %s\n", chan->name);
02370 }
02371 } else {
02372 ast_mutex_unlock(&conf->listenlock);
02373 goto bailoutandtrynormal;
02374 }
02375 ast_mutex_unlock(&conf->listenlock);
02376 } else {
02377 bailoutandtrynormal:
02378 if (user->listen.actual)
02379 ast_frame_adjust_volume(&fr, user->listen.actual);
02380 if (can_write(chan, confflags) && ast_write(chan, &fr) < 0) {
02381 ast_log(LOG_WARNING, "Unable to write frame to channel %s\n", chan->name);
02382 }
02383 }
02384 } else
02385 ast_log(LOG_WARNING, "Failed to read frame: %s\n", strerror(errno));
02386 }
02387 lastmarked = currentmarked;
02388 }
02389 }
02390
02391 if (musiconhold)
02392 ast_moh_stop(chan);
02393
02394 if (using_pseudo)
02395 close(fd);
02396 else {
02397
02398 ztc.chan = 0;
02399 ztc.confno = 0;
02400 ztc.confmode = 0;
02401 if (ioctl(fd, DAHDI_SETCONF, &ztc)) {
02402 ast_log(LOG_WARNING, "Error setting conference\n");
02403 }
02404 }
02405
02406 reset_volumes(user);
02407
02408 if (!(confflags & CONFFLAG_QUIET) && !(confflags & CONFFLAG_MONITOR) && !(confflags & CONFFLAG_ADMIN))
02409 conf_play(chan, conf, LEAVE);
02410
02411 if (!(confflags & CONFFLAG_QUIET) && ((confflags & CONFFLAG_INTROUSER) || (confflags & CONFFLAG_INTROUSERNOREVIEW)) && conf->users > 1) {
02412 struct announce_listitem *item;
02413 if (!(item = ao2_alloc(sizeof(*item), NULL)))
02414 return -1;
02415 ast_copy_string(item->namerecloc, user->namerecloc, sizeof(item->namerecloc));
02416 ast_copy_string(item->language, chan->language, sizeof(item->language));
02417 item->confchan = conf->chan;
02418 item->confusers = conf->users;
02419 item->announcetype = CONF_HASLEFT;
02420 ast_mutex_lock(&conf->announcelistlock);
02421 AST_LIST_INSERT_TAIL(&conf->announcelist, item, entry);
02422 ast_cond_signal(&conf->announcelist_addition);
02423 ast_mutex_unlock(&conf->announcelistlock);
02424 } else if (!(confflags & CONFFLAG_QUIET) && ((confflags & CONFFLAG_INTROUSER) || (confflags & CONFFLAG_INTROUSERNOREVIEW)) && conf->users == 1) {
02425
02426 ast_filedelete(user->namerecloc, NULL);
02427 }
02428
02429 outrun:
02430 AST_LIST_LOCK(&confs);
02431
02432 if (dsp)
02433 ast_dsp_free(dsp);
02434
02435 if (user->user_no) {
02436 now = time(NULL);
02437 hr = (now - user->jointime) / 3600;
02438 min = ((now - user->jointime) % 3600) / 60;
02439 sec = (now - user->jointime) % 60;
02440
02441 if (sent_event) {
02442 manager_event(EVENT_FLAG_CALL, "MeetmeLeave",
02443 "Channel: %s\r\n"
02444 "Uniqueid: %s\r\n"
02445 "Meetme: %s\r\n"
02446 "Usernum: %d\r\n"
02447 "CallerIDnum: %s\r\n"
02448 "CallerIDname: %s\r\n"
02449 "Duration: %ld\r\n",
02450 chan->name, chan->uniqueid, conf->confno,
02451 user->user_no,
02452 S_OR(user->chan->cid.cid_num, "<unknown>"),
02453 S_OR(user->chan->cid.cid_name, "<unknown>"),
02454 (long)(now - user->jointime));
02455 }
02456
02457 if (setusercount) {
02458 conf->users--;
02459
02460 snprintf(members, sizeof(members), "%d", conf->users);
02461 ast_update_realtime("meetme", "confno", conf->confno, "members", members, NULL);
02462 if (confflags & CONFFLAG_MARKEDUSER)
02463 conf->markedusers--;
02464 }
02465
02466 AST_LIST_REMOVE(&conf->userlist, user, list);
02467
02468
02469 if (!conf->users)
02470 ast_device_state_changed("meetme:%s", conf->confno);
02471
02472
02473 snprintf(meetmesecs, sizeof(meetmesecs), "%d", (int) (time(NULL) - user->jointime));
02474 pbx_builtin_setvar_helper(chan, "MEETMESECS", meetmesecs);
02475 }
02476 free(user);
02477 AST_LIST_UNLOCK(&confs);
02478
02479 return ret;
02480 }
02481
02482 static struct ast_conference *find_conf_realtime(struct ast_channel *chan, char *confno, int make, int dynamic,
02483 char *dynamic_pin, size_t pin_buf_len, int refcount, struct ast_flags *confflags)
02484 {
02485 struct ast_variable *var, *save;
02486 struct ast_conference *cnf;
02487
02488
02489 AST_LIST_LOCK(&confs);
02490 AST_LIST_TRAVERSE(&confs, cnf, list) {
02491 if (!strcmp(confno, cnf->confno))
02492 break;
02493 }
02494 if (cnf) {
02495 cnf->refcount += refcount;
02496 }
02497 AST_LIST_UNLOCK(&confs);
02498
02499 if (!cnf) {
02500 char *pin = NULL, *pinadmin = NULL;
02501
02502 var = ast_load_realtime("meetme", "confno", confno, NULL);
02503
02504 if (!var)
02505 return NULL;
02506
02507 save = var;
02508 while (var) {
02509 if (!strcasecmp(var->name, "pin")) {
02510 pin = ast_strdupa(var->value);
02511 } else if (!strcasecmp(var->name, "adminpin")) {
02512 pinadmin = ast_strdupa(var->value);
02513 }
02514 var = var->next;
02515 }
02516 ast_variables_destroy(save);
02517
02518 cnf = build_conf(confno, pin ? pin : "", pinadmin ? pinadmin : "", make, dynamic, refcount);
02519 }
02520
02521 if (cnf) {
02522 if (confflags && !cnf->chan &&
02523 !ast_test_flag(confflags, CONFFLAG_QUIET) &&
02524 ast_test_flag(confflags, CONFFLAG_INTROUSER)) {
02525 ast_log(LOG_WARNING, "No %s channel available for conference, user introduction disabled\n", dahdi_chan_name);
02526 ast_clear_flag(confflags, CONFFLAG_INTROUSER);
02527 }
02528
02529 if (confflags && !cnf->chan &&
02530 ast_test_flag(confflags, CONFFLAG_RECORDCONF)) {
02531 ast_log(LOG_WARNING, "No %s channel available for conference, conference recording disabled\n", dahdi_chan_name);
02532 ast_clear_flag(confflags, CONFFLAG_RECORDCONF);
02533 }
02534 }
02535
02536 return cnf;
02537 }
02538
02539
02540 static struct ast_conference *find_conf(struct ast_channel *chan, char *confno, int make, int dynamic,
02541 char *dynamic_pin, size_t pin_buf_len, int refcount, struct ast_flags *confflags)
02542 {
02543 struct ast_config *cfg;
02544 struct ast_variable *var;
02545 struct ast_conference *cnf;
02546 char *parse;
02547 AST_DECLARE_APP_ARGS(args,
02548 AST_APP_ARG(confno);
02549 AST_APP_ARG(pin);
02550 AST_APP_ARG(pinadmin);
02551 );
02552
02553
02554 AST_LIST_LOCK(&confs);
02555 AST_LIST_TRAVERSE(&confs, cnf, list) {
02556 if (!strcmp(confno, cnf->confno))
02557 break;
02558 }
02559 if (cnf){
02560 cnf->refcount += refcount;
02561 }
02562 AST_LIST_UNLOCK(&confs);
02563
02564 if (!cnf) {
02565 if (dynamic) {
02566
02567 ast_log(LOG_DEBUG, "Building dynamic conference '%s'\n", confno);
02568 if (dynamic_pin) {
02569 if (dynamic_pin[0] == 'q') {
02570
02571 if (ast_app_getdata(chan, "conf-getpin", dynamic_pin, pin_buf_len - 1, 0) < 0)
02572 return NULL;
02573 }
02574 cnf = build_conf(confno, dynamic_pin, "", make, dynamic, refcount);
02575 } else {
02576 cnf = build_conf(confno, "", "", make, dynamic, refcount);
02577 }
02578 } else {
02579
02580 cfg = ast_config_load(CONFIG_FILE_NAME);
02581 if (!cfg) {
02582 ast_log(LOG_WARNING, "No %s file :(\n", CONFIG_FILE_NAME);
02583 return NULL;
02584 }
02585 for (var = ast_variable_browse(cfg, "rooms"); var; var = var->next) {
02586 if (strcasecmp(var->name, "conf"))
02587 continue;
02588
02589 if (!(parse = ast_strdupa(var->value)))
02590 return NULL;
02591
02592 AST_NONSTANDARD_APP_ARGS(args, parse, ',');
02593 if (!strcasecmp(args.confno, confno)) {
02594
02595 cnf = build_conf(args.confno,
02596 S_OR(args.pin, ""),
02597 S_OR(args.pinadmin, ""),
02598 make, dynamic, refcount);
02599 break;
02600 }
02601 }
02602 if (!var) {
02603 ast_log(LOG_DEBUG, "%s isn't a valid conference\n", confno);
02604 }
02605 ast_config_destroy(cfg);
02606 }
02607 } else if (dynamic_pin) {
02608
02609
02610
02611 if (dynamic_pin[0] == 'q')
02612 dynamic_pin[0] = '\0';
02613 }
02614
02615 if (cnf) {
02616 if (confflags && !cnf->chan &&
02617 !ast_test_flag(confflags, CONFFLAG_QUIET) &&
02618 ast_test_flag(confflags, CONFFLAG_INTROUSER)) {
02619 ast_log(LOG_WARNING, "No %s channel available for conference, user introduction disabled\n", dahdi_chan_name);
02620 ast_clear_flag(confflags, CONFFLAG_INTROUSER);
02621 }
02622
02623 if (confflags && !cnf->chan &&
02624 ast_test_flag(confflags, CONFFLAG_RECORDCONF)) {
02625 ast_log(LOG_WARNING, "No %s channel available for conference, conference recording disabled\n", dahdi_chan_name);
02626 ast_clear_flag(confflags, CONFFLAG_RECORDCONF);
02627 }
02628 }
02629
02630 return cnf;
02631 }
02632
02633
02634 static int count_exec(struct ast_channel *chan, void *data)
02635 {
02636 struct ast_module_user *u;
02637 int res = 0;
02638 struct ast_conference *conf;
02639 int count;
02640 char *localdata;
02641 char val[80] = "0";
02642 AST_DECLARE_APP_ARGS(args,
02643 AST_APP_ARG(confno);
02644 AST_APP_ARG(varname);
02645 );
02646
02647 if (ast_strlen_zero(data)) {
02648 ast_log(LOG_WARNING, "MeetMeCount requires an argument (conference number)\n");
02649 return -1;
02650 }
02651
02652 u = ast_module_user_add(chan);
02653
02654 if (!(localdata = ast_strdupa(data))) {
02655 ast_module_user_remove(u);
02656 return -1;
02657 }
02658
02659 AST_STANDARD_APP_ARGS(args, localdata);
02660
02661 conf = find_conf(chan, args.confno, 0, 0, NULL, 0, 1, NULL);
02662
02663 if (conf) {
02664 count = conf->users;
02665 dispose_conf(conf);
02666 conf = NULL;
02667 } else
02668 count = 0;
02669
02670 if (!ast_strlen_zero(args.varname)){
02671
02672 snprintf(val, sizeof(val), "%d",count);
02673 pbx_builtin_setvar_helper(chan, args.varname, val);
02674 } else {
02675 if (chan->_state != AST_STATE_UP)
02676 ast_answer(chan);
02677 res = ast_say_number(chan, count, "", chan->language, (char *) NULL);
02678 }
02679 ast_module_user_remove(u);
02680
02681 return res;
02682 }
02683
02684
02685 static int conf_exec(struct ast_channel *chan, void *data)
02686 {
02687 int res=-1;
02688 struct ast_module_user *u;
02689 char confno[MAX_CONFNUM] = "";
02690 int allowretry = 0;
02691 int retrycnt = 0;
02692 struct ast_conference *cnf = NULL;
02693 struct ast_flags confflags = {0};
02694 int dynamic = 0;
02695 int empty = 0, empty_no_pin = 0;
02696 int always_prompt = 0;
02697 char *notdata, *info, the_pin[MAX_PIN] = "";
02698 AST_DECLARE_APP_ARGS(args,
02699 AST_APP_ARG(confno);
02700 AST_APP_ARG(options);
02701 AST_APP_ARG(pin);
02702 );
02703 char *optargs[OPT_ARG_ARRAY_SIZE] = { NULL, };
02704
02705 u = ast_module_user_add(chan);
02706
02707 if (ast_strlen_zero(data)) {
02708 allowretry = 1;
02709 notdata = "";
02710 } else {
02711 notdata = data;
02712 }
02713
02714 if (chan->_state != AST_STATE_UP)
02715 ast_answer(chan);
02716
02717 info = ast_strdupa(notdata);
02718
02719 AST_STANDARD_APP_ARGS(args, info);
02720
02721 if (args.confno) {
02722 ast_copy_string(confno, args.confno, sizeof(confno));
02723 if (ast_strlen_zero(confno)) {
02724 allowretry = 1;
02725 }
02726 }
02727
02728 if (args.pin)
02729 ast_copy_string(the_pin, args.pin, sizeof(the_pin));
02730
02731 if (args.options) {
02732 ast_app_parse_options(meetme_opts, &confflags, optargs, args.options);
02733 dynamic = ast_test_flag(&confflags, CONFFLAG_DYNAMIC | CONFFLAG_DYNAMICPIN);
02734 if (ast_test_flag(&confflags, CONFFLAG_DYNAMICPIN) && ast_strlen_zero(args.pin))
02735 strcpy(the_pin, "q");
02736
02737 empty = ast_test_flag(&confflags, CONFFLAG_EMPTY | CONFFLAG_EMPTYNOPIN);
02738 empty_no_pin = ast_test_flag(&confflags, CONFFLAG_EMPTYNOPIN);
02739 always_prompt = ast_test_flag(&confflags, CONFFLAG_ALWAYSPROMPT);
02740 }
02741
02742 do {
02743 if (retrycnt > 3)
02744 allowretry = 0;
02745 if (empty) {
02746 int i;
02747 struct ast_config *cfg;
02748 struct ast_variable *var;
02749 int confno_int;
02750
02751
02752 if ((empty_no_pin) || (!dynamic)) {
02753 cfg = ast_config_load(CONFIG_FILE_NAME);
02754 if (cfg) {
02755 var = ast_variable_browse(cfg, "rooms");
02756 while (var) {
02757 if (!strcasecmp(var->name, "conf")) {
02758 char *stringp = ast_strdupa(var->value);
02759 if (stringp) {
02760 char *confno_tmp = strsep(&stringp, "|,");
02761 int found = 0;
02762 if (!dynamic) {
02763
02764 AST_LIST_LOCK(&confs);
02765 AST_LIST_TRAVERSE(&confs, cnf, list) {
02766 if (!strcmp(confno_tmp, cnf->confno)) {
02767
02768 found = 1;
02769 break;
02770 }
02771 }
02772 AST_LIST_UNLOCK(&confs);
02773 if (!found) {
02774
02775 if ((empty_no_pin && ast_strlen_zero(stringp)) || (!empty_no_pin)) {
02776
02777
02778
02779
02780 ast_copy_string(confno, confno_tmp, sizeof(confno));
02781 break;
02782
02783 }
02784 }
02785 }
02786 }
02787 }
02788 var = var->next;
02789 }
02790 ast_config_destroy(cfg);
02791 }
02792 }
02793
02794
02795 if (ast_strlen_zero(confno) && dynamic) {
02796 AST_LIST_LOCK(&confs);
02797 for (i = 0; i < sizeof(conf_map) / sizeof(conf_map[0]); i++) {
02798 if (!conf_map[i]) {
02799 snprintf(confno, sizeof(confno), "%d", i);
02800 conf_map[i] = 1;
02801 break;
02802 }
02803 }
02804 AST_LIST_UNLOCK(&confs);
02805 }
02806
02807
02808 if (ast_strlen_zero(confno)) {
02809 res = ast_streamfile(chan, "conf-noempty", chan->language);
02810 if (!res)
02811 ast_waitstream(chan, "");
02812 } else {
02813 if (sscanf(confno, "%d", &confno_int) == 1) {
02814 res = ast_streamfile(chan, "conf-enteringno", chan->language);
02815 if (!res) {
02816 ast_waitstream(chan, "");
02817 res = ast_say_digits(chan, confno_int, "", chan->language);
02818 }
02819 } else {
02820 ast_log(LOG_ERROR, "Could not scan confno '%s'\n", confno);
02821 }
02822 }
02823 }
02824
02825 while (allowretry && (ast_strlen_zero(confno)) && (++retrycnt < 4)) {
02826
02827 res = ast_app_getdata(chan, "conf-getconfno", confno, sizeof(confno) - 1, 0);
02828 if (res < 0) {
02829
02830 confno[0] = '\0';
02831 allowretry = 0;
02832 break;
02833 }
02834 }
02835 if (!ast_strlen_zero(confno)) {
02836
02837 cnf = find_conf(chan, confno, 1, dynamic, the_pin,
02838 sizeof(the_pin), 1, &confflags);
02839 if (!cnf) {
02840 cnf = find_conf_realtime(chan, confno, 1, dynamic,
02841 the_pin, sizeof(the_pin), 1, &confflags);
02842 }
02843
02844 if (!cnf) {
02845 res = ast_streamfile(chan, "conf-invalid", chan->language);
02846 if (!res)
02847 ast_waitstream(chan, "");
02848 res = -1;
02849 if (allowretry)
02850 confno[0] = '\0';
02851 } else {
02852 if ((!ast_strlen_zero(cnf->pin) &&
02853 !ast_test_flag(&confflags, CONFFLAG_ADMIN)) ||
02854 (!ast_strlen_zero(cnf->pinadmin) &&
02855 ast_test_flag(&confflags, CONFFLAG_ADMIN))) {
02856 char pin[MAX_PIN] = "";
02857 int j;
02858
02859
02860 for (j = 0; j < 3; j++) {
02861 if (*the_pin && (always_prompt == 0)) {
02862 ast_copy_string(pin, the_pin, sizeof(pin));
02863 res = 0;
02864 } else {
02865
02866 res = ast_app_getdata(chan, "conf-getpin", pin + strlen(pin), sizeof(pin) - 1 - strlen(pin), 0);
02867 }
02868 if (res >= 0) {
02869 if (!strcasecmp(pin, cnf->pin) ||
02870 (!ast_strlen_zero(cnf->pinadmin) &&
02871 !strcasecmp(pin, cnf->pinadmin))) {
02872
02873 allowretry = 0;
02874 if (!ast_strlen_zero(cnf->pinadmin) && !strcasecmp(pin, cnf->pinadmin))
02875 ast_set_flag(&confflags, CONFFLAG_ADMIN);
02876
02877 res = conf_run(chan, cnf, confflags.flags, optargs);
02878 break;
02879 } else {
02880
02881 if (!ast_streamfile(chan, "conf-invalidpin", chan->language)) {
02882 res = ast_waitstream(chan, AST_DIGIT_ANY);
02883 ast_stopstream(chan);
02884 }
02885 else {
02886 ast_log(LOG_WARNING, "Couldn't play invalid pin msg!\n");
02887 break;
02888 }
02889 if (res < 0)
02890 break;
02891 pin[0] = res;
02892 pin[1] = '\0';
02893 res = -1;
02894 if (allowretry)
02895 confno[0] = '\0';
02896 }
02897 } else {
02898
02899 res = -1;
02900 allowretry = 0;
02901
02902 break;
02903 }
02904
02905
02906 if (*the_pin && (always_prompt==0)) {
02907 break;
02908 }
02909 }
02910 } else {
02911
02912 allowretry = 0;
02913
02914
02915 res = conf_run(chan, cnf, confflags.flags, optargs);
02916 }
02917 dispose_conf(cnf);
02918 cnf = NULL;
02919 }
02920 }
02921 } while (allowretry);
02922
02923 if (cnf)
02924 dispose_conf(cnf);
02925
02926 ast_module_user_remove(u);
02927
02928 return res;
02929 }
02930
02931 static struct ast_conf_user *find_user(struct ast_conference *conf, char *callerident)
02932 {
02933 struct ast_conf_user *user = NULL;
02934 int cid;
02935
02936 sscanf(callerident, "%i", &cid);
02937 if (conf && callerident) {
02938 AST_LIST_TRAVERSE(&conf->userlist, user, list) {
02939 if (cid == user->user_no)
02940 return user;
02941 }
02942 }
02943 return NULL;
02944 }
02945
02946
02947
02948 static int admin_exec(struct ast_channel *chan, void *data) {
02949 char *params;
02950 struct ast_conference *cnf;
02951 struct ast_conf_user *user = NULL;
02952 struct ast_module_user *u;
02953 AST_DECLARE_APP_ARGS(args,
02954 AST_APP_ARG(confno);
02955 AST_APP_ARG(command);
02956 AST_APP_ARG(user);
02957 );
02958
02959 if (ast_strlen_zero(data)) {
02960 ast_log(LOG_WARNING, "MeetMeAdmin requires an argument!\n");
02961 return -1;
02962 }
02963
02964 u = ast_module_user_add(chan);
02965
02966 AST_LIST_LOCK(&confs);
02967
02968 params = ast_strdupa(data);
02969 AST_STANDARD_APP_ARGS(args, params);
02970
02971 if (!args.command) {
02972 ast_log(LOG_WARNING, "MeetmeAdmin requires a command!\n");
02973 AST_LIST_UNLOCK(&confs);
02974 ast_module_user_remove(u);
02975 return -1;
02976 }
02977 AST_LIST_TRAVERSE(&confs, cnf, list) {
02978 if (!strcmp(cnf->confno, args.confno))
02979 break;
02980 }
02981
02982 if (!cnf) {
02983 ast_log(LOG_WARNING, "Conference number '%s' not found!\n", args.confno);
02984 AST_LIST_UNLOCK(&confs);
02985 ast_module_user_remove(u);
02986 return 0;
02987 }
02988
02989 ast_atomic_fetchadd_int(&cnf->refcount, 1);
02990
02991 if (args.user)
02992 user = find_user(cnf, args.user);
02993
02994 switch (*args.command) {
02995 case 76:
02996 cnf->locked = 1;
02997 break;
02998 case 108:
02999 cnf->locked = 0;
03000 break;
03001 case 75:
03002 AST_LIST_TRAVERSE(&cnf->userlist, user, list)
03003 user->adminflags |= ADMINFLAG_KICKME;
03004 break;
03005 case 101:
03006 user = AST_LIST_LAST(&cnf->userlist);
03007 if (!(user->userflags & CONFFLAG_ADMIN))
03008 user->adminflags |= ADMINFLAG_KICKME;
03009 else
03010 ast_log(LOG_NOTICE, "Not kicking last user, is an Admin!\n");
03011 break;
03012 case 77:
03013 if (user) {
03014 user->adminflags |= ADMINFLAG_MUTED;
03015 } else
03016 ast_log(LOG_NOTICE, "Specified User not found!\n");
03017 break;
03018 case 78:
03019 AST_LIST_TRAVERSE(&cnf->userlist, user, list) {
03020 if (!(user->userflags & CONFFLAG_ADMIN))
03021 user->adminflags |= ADMINFLAG_MUTED;
03022 }
03023 break;
03024 case 109:
03025 if (user) {
03026 user->adminflags &= ~(ADMINFLAG_MUTED | ADMINFLAG_SELFMUTED);
03027 } else
03028 ast_log(LOG_NOTICE, "Specified User not found!\n");
03029 break;
03030 case 110:
03031 AST_LIST_TRAVERSE(&cnf->userlist, user, list)
03032 user->adminflags &= ~(ADMINFLAG_MUTED | ADMINFLAG_SELFMUTED);
03033 break;
03034 case 107:
03035 if (user)
03036 user->adminflags |= ADMINFLAG_KICKME;
03037 else
03038 ast_log(LOG_NOTICE, "Specified User not found!\n");
03039 break;
03040 case 118:
03041 AST_LIST_TRAVERSE(&cnf->userlist, user, list)
03042 tweak_listen_volume(user, VOL_DOWN);
03043 break;
03044 case 86:
03045 AST_LIST_TRAVERSE(&cnf->userlist, user, list)
03046 tweak_listen_volume(user, VOL_UP);
03047 break;
03048 case 115:
03049 AST_LIST_TRAVERSE(&cnf->userlist, user, list)
03050 tweak_talk_volume(user, VOL_DOWN);
03051 break;
03052 case 83:
03053 AST_LIST_TRAVERSE(&cnf->userlist, user, list)
03054 tweak_talk_volume(user, VOL_UP);
03055 break;
03056 case 82:
03057 AST_LIST_TRAVERSE(&cnf->userlist, user, list)
03058 reset_volumes(user);
03059 break;
03060 case 114:
03061 if (user)
03062 reset_volumes(user);
03063 else
03064 ast_log(LOG_NOTICE, "Specified User not found!\n");
03065 break;
03066 case 85:
03067 if (user)
03068 tweak_listen_volume(user, VOL_UP);
03069 else
03070 ast_log(LOG_NOTICE, "Specified User not found!\n");
03071 break;
03072 case 117:
03073 if (user)
03074 tweak_listen_volume(user, VOL_DOWN);
03075 else
03076 ast_log(LOG_NOTICE, "Specified User not found!\n");
03077 break;
03078 case 84:
03079 if (user)
03080 tweak_talk_volume(user, VOL_UP);
03081 else
03082 ast_log(LOG_NOTICE, "Specified User not found!\n");
03083 break;
03084 case 116:
03085 if (user)
03086 tweak_talk_volume(user, VOL_DOWN);
03087 else
03088 ast_log(LOG_NOTICE, "Specified User not found!\n");
03089 break;
03090 }
03091
03092 AST_LIST_UNLOCK(&confs);
03093
03094 dispose_conf(cnf);
03095
03096 ast_module_user_remove(u);
03097
03098 return 0;
03099 }
03100
03101 static int meetmemute(struct mansession *s, const struct message *m, int mute)
03102 {
03103 struct ast_conference *conf;
03104 struct ast_conf_user *user;
03105 const char *confid = astman_get_header(m, "Meetme");
03106 char *userid = ast_strdupa(astman_get_header(m, "Usernum"));
03107 int userno;
03108
03109 if (ast_strlen_zero(confid)) {
03110 astman_send_error(s, m, "Meetme conference not specified");
03111 return 0;
03112 }
03113
03114 if (ast_strlen_zero(userid)) {
03115 astman_send_error(s, m, "Meetme user number not specified");
03116 return 0;
03117 }
03118
03119 userno = strtoul(userid, &userid, 10);
03120
03121 if (*userid) {
03122 astman_send_error(s, m, "Invalid user number");
03123 return 0;
03124 }
03125
03126
03127 AST_LIST_LOCK(&confs);
03128 AST_LIST_TRAVERSE(&confs, conf, list) {
03129 if (!strcmp(confid, conf->confno))
03130 break;
03131 }
03132
03133 if (!conf) {
03134 AST_LIST_UNLOCK(&confs);
03135 astman_send_error(s, m, "Meetme conference does not exist");
03136 return 0;
03137 }
03138
03139 AST_LIST_TRAVERSE(&conf->userlist, user, list)
03140 if (user->user_no == userno)
03141 break;
03142
03143 if (!user) {
03144 AST_LIST_UNLOCK(&confs);
03145 astman_send_error(s, m, "User number not found");
03146 return 0;
03147 }
03148
03149 if (mute)
03150 user->adminflags |= ADMINFLAG_MUTED;
03151 else
03152 user->adminflags &= ~(ADMINFLAG_MUTED | ADMINFLAG_SELFMUTED);
03153
03154 AST_LIST_UNLOCK(&confs);
03155
03156 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);
03157
03158 astman_send_ack(s, m, mute ? "User muted" : "User unmuted");
03159 return 0;
03160 }
03161
03162 static int action_meetmemute(struct mansession *s, const struct message *m)
03163 {
03164 return meetmemute(s, m, 1);
03165 }
03166
03167 static int action_meetmeunmute(struct mansession *s, const struct message *m)
03168 {
03169 return meetmemute(s, m, 0);
03170 }
03171
03172 static void *recordthread(void *args)
03173 {
03174 struct ast_conference *cnf = args;
03175 struct ast_frame *f=NULL;
03176 int flags;
03177 struct ast_filestream *s=NULL;
03178 int res=0;
03179 int x;
03180 const char *oldrecordingfilename = NULL;
03181
03182 if (!cnf || !cnf->lchan) {
03183 pthread_exit(0);
03184 }
03185
03186 ast_stopstream(cnf->lchan);
03187 flags = O_CREAT|O_TRUNC|O_WRONLY;
03188
03189
03190 cnf->recording = MEETME_RECORD_ACTIVE;
03191 while (ast_waitfor(cnf->lchan, -1) > -1) {
03192 if (cnf->recording == MEETME_RECORD_TERMINATE) {
03193 AST_LIST_LOCK(&confs);
03194 AST_LIST_UNLOCK(&confs);
03195 break;
03196 }
03197 if (!s && cnf->recordingfilename && (cnf->recordingfilename != oldrecordingfilename)) {
03198 s = ast_writefile(cnf->recordingfilename, cnf->recordingformat, NULL, flags, 0, 0644);
03199 oldrecordingfilename = cnf->recordingfilename;
03200 }
03201
03202 f = ast_read(cnf->lchan);
03203 if (!f) {
03204 res = -1;
03205 break;
03206 }
03207 if (f->frametype == AST_FRAME_VOICE) {
03208 ast_mutex_lock(&cnf->listenlock);
03209 for (x=0;x<AST_FRAME_BITS;x++) {
03210
03211 if (cnf->transframe[x]) {
03212 ast_frfree(cnf->transframe[x]);
03213 cnf->transframe[x] = NULL;
03214 }
03215 }
03216 if (cnf->origframe)
03217 ast_frfree(cnf->origframe);
03218 cnf->origframe = ast_frdup(f);
03219 ast_mutex_unlock(&cnf->listenlock);
03220 if (s)
03221 res = ast_writestream(s, f);
03222 if (res) {
03223 ast_frfree(f);
03224 break;
03225 }
03226 }
03227 ast_frfree(f);
03228 }
03229 cnf->recording = MEETME_RECORD_OFF;
03230 if (s)
03231 ast_closestream(s);
03232
03233 pthread_exit(0);
03234 }
03235
03236
03237 static int meetmestate(const char *data)
03238 {
03239 struct ast_conference *conf;
03240
03241
03242 AST_LIST_LOCK(&confs);
03243 AST_LIST_TRAVERSE(&confs, conf, list) {
03244 if (!strcmp(data, conf->confno))
03245 break;
03246 }
03247 AST_LIST_UNLOCK(&confs);
03248 if (!conf)
03249 return AST_DEVICE_INVALID;
03250
03251
03252
03253 if (!conf->users)
03254 return AST_DEVICE_NOT_INUSE;
03255
03256 return AST_DEVICE_INUSE;
03257 }
03258
03259 static void load_config_meetme(void)
03260 {
03261 struct ast_config *cfg;
03262 const char *val;
03263
03264 audio_buffers = DEFAULT_AUDIO_BUFFERS;
03265
03266 if (!(cfg = ast_config_load(CONFIG_FILE_NAME)))
03267 return;
03268
03269 if ((val = ast_variable_retrieve(cfg, "general", "audiobuffers"))) {
03270 if ((sscanf(val, "%d", &audio_buffers) != 1)) {
03271 ast_log(LOG_WARNING, "audiobuffers setting must be a number, not '%s'\n", val);
03272 audio_buffers = DEFAULT_AUDIO_BUFFERS;
03273 } else if ((audio_buffers < DAHDI_DEFAULT_NUM_BUFS) || (audio_buffers > DAHDI_MAX_NUM_BUFS)) {
03274 ast_log(LOG_WARNING, "audiobuffers setting must be between %d and %d\n",
03275 DAHDI_DEFAULT_NUM_BUFS, DAHDI_MAX_NUM_BUFS);
03276 audio_buffers = DEFAULT_AUDIO_BUFFERS;
03277 }
03278 if (audio_buffers != DEFAULT_AUDIO_BUFFERS)
03279 ast_log(LOG_NOTICE, "Audio buffers per channel set to %d\n", audio_buffers);
03280 }
03281
03282 ast_config_destroy(cfg);
03283 }
03284
03285
03286
03287
03288 static struct sla_trunk *sla_find_trunk(const char *name)
03289 {
03290 struct sla_trunk *trunk = NULL;
03291
03292 AST_RWLIST_TRAVERSE(&sla_trunks, trunk, entry) {
03293 if (!strcasecmp(trunk->name, name))
03294 break;
03295 }
03296
03297 return trunk;
03298 }
03299
03300
03301
03302
03303 static struct sla_station *sla_find_station(const char *name)
03304 {
03305 struct sla_station *station = NULL;
03306
03307 AST_RWLIST_TRAVERSE(&sla_stations, station, entry) {
03308 if (!strcasecmp(station->name, name))
03309 break;
03310 }
03311
03312 return station;
03313 }
03314
03315 static int sla_check_station_hold_access(const struct sla_trunk *trunk,
03316 const struct sla_station *station)
03317 {
03318 struct sla_station_ref *station_ref;
03319 struct sla_trunk_ref *trunk_ref;
03320
03321
03322 AST_LIST_TRAVERSE(&trunk->stations, station_ref, entry) {
03323 AST_LIST_TRAVERSE(&station_ref->station->trunks, trunk_ref, entry) {
03324 if (trunk_ref->trunk != trunk || station_ref->station == station)
03325 continue;
03326 if (trunk_ref->state == SLA_TRUNK_STATE_ONHOLD_BYME &&
03327 station_ref->station->hold_access == SLA_HOLD_PRIVATE)
03328 return 1;
03329 return 0;
03330 }
03331 }
03332
03333 return 0;
03334 }
03335
03336
03337
03338
03339
03340
03341
03342
03343 static struct sla_trunk_ref *sla_find_trunk_ref_byname(const struct sla_station *station,
03344 const char *name)
03345 {
03346 struct sla_trunk_ref *trunk_ref = NULL;
03347
03348 AST_LIST_TRAVERSE(&station->trunks, trunk_ref, entry) {
03349 if (strcasecmp(trunk_ref->trunk->name, name))
03350 continue;
03351
03352 if ( (trunk_ref->trunk->barge_disabled
03353 && trunk_ref->state == SLA_TRUNK_STATE_UP) ||
03354 (trunk_ref->trunk->hold_stations
03355 && trunk_ref->trunk->hold_access == SLA_HOLD_PRIVATE
03356 && trunk_ref->state != SLA_TRUNK_STATE_ONHOLD_BYME) ||
03357 sla_check_station_hold_access(trunk_ref->trunk, station) )
03358 {
03359 trunk_ref = NULL;
03360 }
03361
03362 break;
03363 }
03364
03365 return trunk_ref;
03366 }
03367
03368 static struct sla_station_ref *sla_create_station_ref(struct sla_station *station)
03369 {
03370 struct sla_station_ref *station_ref;
03371
03372 if (!(station_ref = ast_calloc(1, sizeof(*station_ref))))
03373 return NULL;
03374
03375 station_ref->station = station;
03376
03377 return station_ref;
03378 }
03379
03380 static struct sla_ringing_station *sla_create_ringing_station(struct sla_station *station)
03381 {
03382 struct sla_ringing_station *ringing_station;
03383
03384 if (!(ringing_station = ast_calloc(1, sizeof(*ringing_station))))
03385 return NULL;
03386
03387 ringing_station->station = station;
03388 ringing_station->ring_begin = ast_tvnow();
03389
03390 return ringing_station;
03391 }
03392
03393 static void sla_change_trunk_state(const struct sla_trunk *trunk, enum sla_trunk_state state,
03394 enum sla_which_trunk_refs inactive_only, const struct sla_trunk_ref *exclude)
03395 {
03396 struct sla_station *station;
03397 struct sla_trunk_ref *trunk_ref;
03398
03399 AST_LIST_TRAVERSE(&sla_stations, station, entry) {
03400 AST_LIST_TRAVERSE(&station->trunks, trunk_ref, entry) {
03401 if (trunk_ref->trunk != trunk || (inactive_only ? trunk_ref->chan : 0)
03402 || trunk_ref == exclude)
03403 continue;
03404 trunk_ref->state = state;
03405 ast_device_state_changed("SLA:%s_%s", station->name, trunk->name);
03406 break;
03407 }
03408 }
03409 }
03410
03411 struct run_station_args {
03412 struct sla_station *station;
03413 struct sla_trunk_ref *trunk_ref;
03414 ast_mutex_t *cond_lock;
03415 ast_cond_t *cond;
03416 };
03417
03418 static void answer_trunk_chan(struct ast_channel *chan)
03419 {
03420 ast_answer(chan);
03421 ast_indicate(chan, -1);
03422 }
03423
03424 static void *run_station(void *data)
03425 {
03426 struct sla_station *station;
03427 struct sla_trunk_ref *trunk_ref;
03428 char conf_name[MAX_CONFNUM];
03429 struct ast_flags conf_flags = { 0 };
03430 struct ast_conference *conf;
03431
03432 {
03433 struct run_station_args *args = data;
03434 station = args->station;
03435 trunk_ref = args->trunk_ref;
03436 ast_mutex_lock(args->cond_lock);
03437 ast_cond_signal(args->cond);
03438 ast_mutex_unlock(args->cond_lock);
03439
03440 }
03441
03442 ast_atomic_fetchadd_int((int *) &trunk_ref->trunk->active_stations, 1);
03443 snprintf(conf_name, sizeof(conf_name), "SLA_%s", trunk_ref->trunk->name);
03444 ast_set_flag(&conf_flags,
03445 CONFFLAG_QUIET | CONFFLAG_MARKEDEXIT | CONFFLAG_PASS_DTMF | CONFFLAG_SLA_STATION);
03446 answer_trunk_chan(trunk_ref->chan);
03447 conf = build_conf(conf_name, "", "", 0, 0, 1);
03448 if (conf) {
03449 conf_run(trunk_ref->chan, conf, conf_flags.flags, NULL);
03450 dispose_conf(conf);
03451 conf = NULL;
03452 }
03453 trunk_ref->chan = NULL;
03454 if (ast_atomic_dec_and_test((int *) &trunk_ref->trunk->active_stations) &&
03455 trunk_ref->state != SLA_TRUNK_STATE_ONHOLD_BYME) {
03456 strncat(conf_name, "|K", sizeof(conf_name) - strlen(conf_name) - 1);
03457 admin_exec(NULL, conf_name);
03458 trunk_ref->trunk->hold_stations = 0;
03459 sla_change_trunk_state(trunk_ref->trunk, SLA_TRUNK_STATE_IDLE, ALL_TRUNK_REFS, NULL);
03460 }
03461
03462 ast_dial_join(station->dial);
03463 ast_dial_destroy(station->dial);
03464 station->dial = NULL;
03465
03466 return NULL;
03467 }
03468
03469 static void sla_stop_ringing_trunk(struct sla_ringing_trunk *ringing_trunk)
03470 {
03471 char buf[80];
03472 struct sla_station_ref *station_ref;
03473
03474 snprintf(buf, sizeof(buf), "SLA_%s|K", ringing_trunk->trunk->name);
03475 admin_exec(NULL, buf);
03476 sla_change_trunk_state(ringing_trunk->trunk, SLA_TRUNK_STATE_IDLE, ALL_TRUNK_REFS, NULL);
03477
03478 while ((station_ref = AST_LIST_REMOVE_HEAD(&ringing_trunk->timed_out_stations, entry)))
03479 free(station_ref);
03480
03481 free(ringing_trunk);
03482 }
03483
03484 static void sla_stop_ringing_station(struct sla_ringing_station *ringing_station,
03485 enum sla_station_hangup hangup)
03486 {
03487 struct sla_ringing_trunk *ringing_trunk;
03488 struct sla_trunk_ref *trunk_ref;
03489 struct sla_station_ref *station_ref;
03490
03491 ast_dial_join(ringing_station->station->dial);
03492 ast_dial_destroy(ringing_station->station->dial);
03493 ringing_station->station->dial = NULL;
03494
03495 if (hangup == SLA_STATION_HANGUP_NORMAL)
03496 goto done;
03497
03498
03499
03500
03501
03502
03503 AST_LIST_TRAVERSE(&sla.ringing_trunks, ringing_trunk, entry) {
03504 AST_LIST_TRAVERSE(&ringing_station->station->trunks, trunk_ref, entry) {
03505 if (ringing_trunk->trunk == trunk_ref->trunk)
03506 break;
03507 }
03508 if (!trunk_ref)
03509 continue;
03510 if (!(station_ref = sla_create_station_ref(ringing_station->station)))
03511 continue;
03512 AST_LIST_INSERT_TAIL(&ringing_trunk->timed_out_stations, station_ref, entry);
03513 }
03514
03515 done:
03516 free(ringing_station);
03517 }
03518
03519 static void sla_dial_state_callback(struct ast_dial *dial)
03520 {
03521 sla_queue_event(SLA_EVENT_DIAL_STATE);
03522 }
03523
03524
03525
03526
03527 static int sla_check_timed_out_station(const struct sla_ringing_trunk *ringing_trunk,
03528 const struct sla_station *station)
03529 {
03530 struct sla_station_ref *timed_out_station;
03531
03532 AST_LIST_TRAVERSE(&ringing_trunk->timed_out_stations, timed_out_station, entry) {
03533 if (station == timed_out_station->station)
03534 return 1;
03535 }
03536
03537 return 0;
03538 }
03539
03540
03541
03542
03543
03544
03545
03546
03547
03548 static struct sla_ringing_trunk *sla_choose_ringing_trunk(struct sla_station *station,
03549 struct sla_trunk_ref **trunk_ref, int remove)
03550 {
03551 struct sla_trunk_ref *s_trunk_ref;
03552 struct sla_ringing_trunk *ringing_trunk = NULL;
03553
03554 AST_LIST_TRAVERSE(&station->trunks, s_trunk_ref, entry) {
03555 AST_LIST_TRAVERSE_SAFE_BEGIN(&sla.ringing_trunks, ringing_trunk, entry) {
03556
03557 if (s_trunk_ref->trunk != ringing_trunk->trunk)
03558 continue;
03559
03560
03561
03562 if (sla_check_timed_out_station(ringing_trunk, station))
03563 continue;
03564
03565 if (remove)
03566 AST_LIST_REMOVE_CURRENT(&sla.ringing_trunks, entry);
03567
03568 if (trunk_ref)
03569 *trunk_ref = s_trunk_ref;
03570
03571 break;
03572 }
03573 AST_LIST_TRAVERSE_SAFE_END
03574
03575 if (ringing_trunk)
03576 break;
03577 }
03578
03579 return ringing_trunk;
03580 }
03581
03582 static void sla_handle_dial_state_event(void)
03583 {
03584 struct sla_ringing_station *ringing_station;
03585
03586 AST_LIST_TRAVERSE_SAFE_BEGIN(&sla.ringing_stations, ringing_station, entry) {
03587 struct sla_trunk_ref *s_trunk_ref = NULL;
03588 struct sla_ringing_trunk *ringing_trunk = NULL;
03589 struct run_station_args args;
03590 enum ast_dial_result dial_res;
03591 pthread_attr_t attr;
03592 pthread_t dont_care;
03593 ast_mutex_t cond_lock;
03594 ast_cond_t cond;
03595
03596 switch ((dial_res = ast_dial_state(ringing_station->station->dial))) {
03597 case AST_DIAL_RESULT_HANGUP:
03598 case AST_DIAL_RESULT_INVALID:
03599 case AST_DIAL_RESULT_FAILED:
03600 case AST_DIAL_RESULT_TIMEOUT:
03601 case AST_DIAL_RESULT_UNANSWERED:
03602 AST_LIST_REMOVE_CURRENT(&sla.ringing_stations, entry);
03603 sla_stop_ringing_station(ringing_station, SLA_STATION_HANGUP_NORMAL);
03604 break;
03605 case AST_DIAL_RESULT_ANSWERED:
03606 AST_LIST_REMOVE_CURRENT(&sla.ringing_stations, entry);
03607
03608 ast_mutex_lock(&sla.lock);
03609 ringing_trunk = sla_choose_ringing_trunk(ringing_station->station, &s_trunk_ref, 1);
03610 ast_mutex_unlock(&sla.lock);
03611 if (!ringing_trunk) {
03612 ast_log(LOG_DEBUG, "Found no ringing trunk for station '%s' to answer!\n",
03613 ringing_station->station->name);
03614 break;
03615 }
03616
03617 s_trunk_ref->chan = ast_dial_answered(ringing_station->station->dial);
03618
03619 answer_trunk_chan(ringing_trunk->trunk->chan);
03620 sla_change_trunk_state(ringing_trunk->trunk, SLA_TRUNK_STATE_UP, ALL_TRUNK_REFS, NULL);
03621
03622
03623
03624 args.trunk_ref = s_trunk_ref;
03625 args.station = ringing_station->station;
03626 args.cond = &cond;
03627 args.cond_lock = &cond_lock;
03628 free(ringing_trunk);
03629 free(ringing_station);
03630 ast_mutex_init(&cond_lock);
03631 ast_cond_init(&cond, NULL);
03632 pthread_attr_init(&attr);
03633 pthread_attr_setdetachstate(&attr, PTHREAD_CREATE_DETACHED);
03634 ast_mutex_lock(&cond_lock);
03635 ast_pthread_create_background(&dont_care, &attr, run_station, &args);
03636 ast_cond_wait(&cond, &cond_lock);
03637 ast_mutex_unlock(&cond_lock);
03638 ast_mutex_destroy(&cond_lock);
03639 ast_cond_destroy(&cond);
03640 pthread_attr_destroy(&attr);
03641 break;
03642 case AST_DIAL_RESULT_TRYING:
03643 case AST_DIAL_RESULT_RINGING:
03644 case AST_DIAL_RESULT_PROGRESS:
03645 case AST_DIAL_RESULT_PROCEEDING:
03646 break;
03647 }
03648 if (dial_res == AST_DIAL_RESULT_ANSWERED) {
03649
03650 sla_queue_event(SLA_EVENT_RINGING_TRUNK);
03651 sla_queue_event(SLA_EVENT_DIAL_STATE);
03652 break;
03653 }
03654 }
03655 AST_LIST_TRAVERSE_SAFE_END
03656 }
03657
03658
03659
03660
03661 static int sla_check_ringing_station(const struct sla_station *station)
03662 {
03663 struct sla_ringing_station *ringing_station;
03664
03665 AST_LIST_TRAVERSE(&sla.ringing_stations, ringing_station, entry) {
03666 if (station == ringing_station->station)
03667 return 1;
03668 }
03669
03670 return 0;
03671 }
03672
03673
03674
03675
03676 static int sla_check_failed_station(const struct sla_station *station)
03677 {
03678 struct sla_failed_station *failed_station;
03679 int res = 0;
03680
03681 AST_LIST_TRAVERSE_SAFE_BEGIN(&sla.failed_stations, failed_station, entry) {
03682 if (station != failed_station->station)
03683 continue;
03684 if (ast_tvdiff_ms(ast_tvnow(), failed_station->last_try) > 1000) {
03685 AST_LIST_REMOVE_CURRENT(&sla.failed_stations, entry);
03686 free(failed_station);
03687 break;
03688 }
03689 res = 1;
03690 }
03691 AST_LIST_TRAVERSE_SAFE_END
03692
03693 return res;
03694 }
03695
03696
03697
03698
03699 static int sla_ring_station(struct sla_ringing_trunk *ringing_trunk, struct sla_station *station)
03700 {
03701 char *tech, *tech_data;
03702 struct ast_dial *dial;
03703 struct sla_ringing_station *ringing_station;
03704 const char *cid_name = NULL, *cid_num = NULL;
03705 enum ast_dial_result res;
03706
03707 if (!(dial = ast_dial_create()))
03708 return -1;
03709
03710 ast_dial_set_state_callback(dial, sla_dial_state_callback);
03711 tech_data = ast_strdupa(station->device);
03712 tech = strsep(&tech_data, "/");
03713
03714 if (ast_dial_append(dial, tech, tech_data) == -1) {
03715 ast_dial_destroy(dial);
03716 return -1;
03717 }
03718
03719 if (!sla.attempt_callerid && !ast_strlen_zero(ringing_trunk->trunk->chan->cid.cid_name)) {
03720 cid_name = ast_strdupa(ringing_trunk->trunk->chan->cid.cid_name);
03721 free(ringing_trunk->trunk->chan->cid.cid_name);
03722 ringing_trunk->trunk->chan->cid.cid_name = NULL;
03723 }
03724 if (!sla.attempt_callerid && !ast_strlen_zero(ringing_trunk->trunk->chan->cid.cid_num)) {
03725 cid_num = ast_strdupa(ringing_trunk->trunk->chan->cid.cid_num);
03726 free(ringing_trunk->trunk->chan->cid.cid_num);
03727 ringing_trunk->trunk->chan->cid.cid_num = NULL;
03728 }
03729
03730 res = ast_dial_run(dial, ringing_trunk->trunk->chan, 1);
03731
03732 if (cid_name)
03733 ringing_trunk->trunk->chan->cid.cid_name = ast_strdup(cid_name);
03734 if (cid_num)
03735 ringing_trunk->trunk->chan->cid.cid_num = ast_strdup(cid_num);
03736
03737 if (res != AST_DIAL_RESULT_TRYING) {
03738 struct sla_failed_station *failed_station;
03739 ast_dial_destroy(dial);
03740 if (!(failed_station = ast_calloc(1, sizeof(*failed_station))))
03741 return -1;
03742 failed_station->station = station;
03743 failed_station->last_try = ast_tvnow();
03744 AST_LIST_INSERT_HEAD(&sla.failed_stations, failed_station, entry);
03745 return -1;
03746 }
03747 if (!(ringing_station = sla_create_ringing_station(station))) {
03748 ast_dial_join(dial);
03749 ast_dial_destroy(dial);
03750 return -1;
03751 }
03752
03753 station->dial = dial;
03754
03755 AST_LIST_INSERT_HEAD(&sla.ringing_stations, ringing_station, entry);
03756
03757 return 0;
03758 }
03759
03760
03761
03762 static int sla_check_inuse_station(const struct sla_station *station)
03763 {
03764 struct sla_trunk_ref *trunk_ref;
03765
03766 AST_LIST_TRAVERSE(&station->trunks, trunk_ref, entry) {
03767 if (trunk_ref->chan)
03768 return 1;
03769 }
03770
03771 return 0;
03772 }
03773
03774 static struct sla_trunk_ref *sla_find_trunk_ref(const struct sla_station *station,
03775 const struct sla_trunk *trunk)
03776 {
03777 struct sla_trunk_ref *trunk_ref = NULL;
03778
03779 AST_LIST_TRAVERSE(&station->trunks, trunk_ref, entry) {
03780 if (trunk_ref->trunk == trunk)
03781 break;
03782 }
03783
03784 return trunk_ref;
03785 }
03786
03787
03788
03789
03790
03791
03792 static int sla_check_station_delay(struct sla_station *station,
03793 struct sla_ringing_trunk *ringing_trunk)
03794 {
03795 struct sla_trunk_ref *trunk_ref;
03796 unsigned int delay = UINT_MAX;
03797 int time_left, time_elapsed;
03798
03799 if (!ringing_trunk)
03800 ringing_trunk = sla_choose_ringing_trunk(station, &trunk_ref, 0);
03801 else
03802 trunk_ref = sla_find_trunk_ref(station, ringing_trunk->trunk);
03803
03804 if (!ringing_trunk || !trunk_ref)
03805 return delay;
03806
03807
03808
03809
03810 delay = trunk_ref->ring_delay;
03811 if (!delay)
03812 delay = station->ring_delay;
03813 if (!delay)
03814 return INT_MAX;
03815
03816 time_elapsed = ast_tvdiff_ms(ast_tvnow(), ringing_trunk->ring_begin);
03817 time_left = (delay * 1000) - time_elapsed;
03818
03819 return time_left;
03820 }
03821
03822
03823
03824
03825 static void sla_ring_stations(void)
03826 {
03827 struct sla_station_ref *station_ref;
03828 struct sla_ringing_trunk *ringing_trunk;
03829
03830
03831
03832 AST_LIST_TRAVERSE(&sla.ringing_trunks, ringing_trunk, entry) {
03833 AST_LIST_TRAVERSE(&ringing_trunk->trunk->stations, station_ref, entry) {
03834 int time_left;
03835
03836
03837 if (sla_check_ringing_station(station_ref->station))
03838 continue;
03839
03840
03841 if (sla_check_inuse_station(station_ref->station))
03842 continue;
03843
03844
03845
03846 if (sla_check_failed_station(station_ref->station))
03847 continue;
03848
03849
03850
03851 if (sla_check_timed_out_station(ringing_trunk, station_ref->station))
03852 continue;
03853
03854
03855 time_left = sla_check_station_delay(station_ref->station, ringing_trunk);
03856 if (time_left != INT_MAX && time_left > 0)
03857 continue;
03858
03859
03860 sla_ring_station(ringing_trunk, station_ref->station);
03861 }
03862 }
03863
03864 }
03865
03866 static void sla_hangup_stations(void)
03867 {
03868 struct sla_trunk_ref *trunk_ref;
03869 struct sla_ringing_station *ringing_station;
03870
03871 AST_LIST_TRAVERSE_SAFE_BEGIN(&sla.ringing_stations, ringing_station, entry) {
03872 AST_LIST_TRAVERSE(&ringing_station->station->trunks, trunk_ref, entry) {
03873 struct sla_ringing_trunk *ringing_trunk;
03874 ast_mutex_lock(&sla.lock);
03875 AST_LIST_TRAVERSE(&sla.ringing_trunks, ringing_trunk, entry) {
03876 if (trunk_ref->trunk == ringing_trunk->trunk)
03877 break;
03878 }
03879 ast_mutex_unlock(&sla.lock);
03880 if (ringing_trunk)
03881 break;
03882 }
03883 if (!trunk_ref) {
03884 AST_LIST_REMOVE_CURRENT(&sla.ringing_stations, entry);
03885 ast_dial_join(ringing_station->station->dial);
03886 ast_dial_destroy(ringing_station->station->dial);
03887 ringing_station->station->dial = NULL;
03888 free(ringing_station);
03889 }
03890 }
03891 AST_LIST_TRAVERSE_SAFE_END
03892 }
03893
03894 static void sla_handle_ringing_trunk_event(void)
03895 {
03896 ast_mutex_lock(&sla.lock);
03897 sla_ring_stations();
03898 ast_mutex_unlock(&sla.lock);
03899
03900
03901 sla_hangup_stations();
03902 }
03903
03904 static void sla_handle_hold_event(struct sla_event *event)
03905 {
03906 ast_atomic_fetchadd_int((int *) &event->trunk_ref->trunk->hold_stations, 1);
03907 event->trunk_ref->state = SLA_TRUNK_STATE_ONHOLD_BYME;
03908 ast_device_state_changed("SLA:%s_%s",
03909 event->station->name, event->trunk_ref->trunk->name);
03910 sla_change_trunk_state(event->trunk_ref->trunk, SLA_TRUNK_STATE_ONHOLD,
03911 INACTIVE_TRUNK_REFS, event->trunk_ref);
03912
03913 if (event->trunk_ref->trunk->active_stations == 1) {
03914
03915
03916 event->trunk_ref->trunk->on_hold = 1;
03917 ast_indicate(event->trunk_ref->trunk->chan, AST_CONTROL_HOLD);
03918 }
03919
03920 ast_softhangup(event->trunk_ref->chan, AST_CAUSE_NORMAL);
03921 event->trunk_ref->chan = NULL;
03922 }
03923
03924
03925
03926
03927
03928 static int sla_calc_trunk_timeouts(unsigned int *timeout)
03929 {
03930 struct sla_ringing_trunk *ringing_trunk;
03931 int res = 0;
03932
03933 AST_LIST_TRAVERSE_SAFE_BEGIN(&sla.ringing_trunks, ringing_trunk, entry) {
03934 int time_left, time_elapsed;
03935 if (!ringing_trunk->trunk->ring_timeout)
03936 continue;
03937 time_elapsed = ast_tvdiff_ms(ast_tvnow(), ringing_trunk->ring_begin);
03938 time_left = (ringing_trunk->trunk->ring_timeout * 1000) - time_elapsed;
03939 if (time_left <= 0) {
03940 pbx_builtin_setvar_helper(ringing_trunk->trunk->chan, "SLATRUNK_STATUS", "RINGTIMEOUT");
03941 AST_LIST_REMOVE_CURRENT(&sla.ringing_trunks, entry);
03942 sla_stop_ringing_trunk(ringing_trunk);
03943 res = 1;
03944 continue;
03945 }
03946 if (time_left < *timeout)
03947 *timeout = time_left;
03948 }
03949 AST_LIST_TRAVERSE_SAFE_END
03950
03951 return res;
03952 }
03953
03954
03955
03956
03957
03958 static int sla_calc_station_timeouts(unsigned int *timeout)
03959 {
03960 struct sla_ringing_trunk *ringing_trunk;
03961 struct sla_ringing_station *ringing_station;
03962 int res = 0;
03963
03964 AST_LIST_TRAVERSE_SAFE_BEGIN(&sla.ringing_stations, ringing_station, entry) {
03965 unsigned int ring_timeout = 0;
03966 int time_elapsed, time_left = INT_MAX, final_trunk_time_left = INT_MIN;
03967 struct sla_trunk_ref *trunk_ref;
03968
03969
03970
03971
03972 AST_LIST_TRAVERSE(&ringing_station->station->trunks, trunk_ref, entry) {
03973 struct sla_station_ref *station_ref;
03974 int trunk_time_elapsed, trunk_time_left;
03975
03976 AST_LIST_TRAVERSE(&sla.ringing_trunks, ringing_trunk, entry) {
03977 if (ringing_trunk->trunk == trunk_ref->trunk)
03978 break;
03979 }
03980 if (!ringing_trunk)
03981 continue;
03982
03983
03984
03985 if (!trunk_ref->ring_timeout)
03986 break;
03987
03988
03989
03990
03991 AST_LIST_TRAVERSE(&ringing_trunk->timed_out_stations, station_ref, entry) {
03992 if (station_ref->station == ringing_station->station)
03993 break;
03994 }
03995 if (station_ref)
03996 continue;
03997
03998 trunk_time_elapsed = ast_tvdiff_ms(ast_tvnow(), ringing_trunk->ring_begin);
03999 trunk_time_left = (trunk_ref->ring_timeout * 1000) - trunk_time_elapsed;
04000 if (trunk_time_left > final_trunk_time_left)
04001 final_trunk_time_left = trunk_time_left;
04002 }
04003
04004
04005 if (final_trunk_time_left == INT_MIN && !ringing_station->station->ring_timeout)
04006 continue;
04007
04008
04009 if (ringing_station->station->ring_timeout) {
04010 ring_timeout = ringing_station->station->ring_timeout;
04011 time_elapsed = ast_tvdiff_ms(ast_tvnow(), ringing_station->ring_begin);
04012 time_left = (ring_timeout * 1000) - time_elapsed;
04013 }
04014
04015
04016
04017 if (final_trunk_time_left > INT_MIN && final_trunk_time_left < time_left)
04018 time_left = final_trunk_time_left;
04019
04020
04021 if (time_left <= 0) {
04022 AST_LIST_REMOVE_CURRENT(&sla.ringing_stations, entry);
04023 sla_stop_ringing_station(ringing_station, SLA_STATION_HANGUP_TIMEOUT);
04024 res = 1;
04025 continue;
04026 }
04027
04028
04029
04030 if (time_left < *timeout)
04031 *timeout = time_left;
04032 }
04033 AST_LIST_TRAVERSE_SAFE_END
04034
04035 return res;
04036 }
04037
04038
04039
04040
04041 static int sla_calc_station_delays(unsigned int *timeout)
04042 {
04043 struct sla_station *station;
04044 int res = 0;
04045
04046 AST_LIST_TRAVERSE(&sla_stations, station, entry) {
04047 struct sla_ringing_trunk *ringing_trunk;
04048 int time_left;
04049
04050
04051 if (sla_check_ringing_station(station))
04052 continue;
04053
04054
04055 if (sla_check_inuse_station(station))
04056 continue;
04057
04058
04059 if (!(ringing_trunk = sla_choose_ringing_trunk(station, NULL, 0)))
04060 continue;
04061
04062 if ((time_left = sla_check_station_delay(station, ringing_trunk)) == INT_MAX)
04063 continue;
04064
04065
04066
04067
04068 if (time_left <= 0) {
04069 res = 1;
04070 continue;
04071 }
04072
04073 if (time_left < *timeout)
04074 *timeout = time_left;
04075 }
04076
04077 return res;
04078 }
04079
04080
04081
04082 static int sla_process_timers(struct timespec *ts)
04083 {
04084 unsigned int timeout = UINT_MAX;
04085 struct timeval tv;
04086 unsigned int change_made = 0;
04087
04088
04089 if (sla_calc_trunk_timeouts(&timeout))
04090 change_made = 1;
04091
04092
04093 if (sla_calc_station_timeouts(&timeout))
04094 change_made = 1;
04095
04096
04097 if (sla_calc_station_delays(&timeout))
04098 change_made = 1;
04099
04100
04101 if (change_made)
04102 sla_queue_event_nolock(SLA_EVENT_RINGING_TRUNK);
04103
04104
04105 if (timeout == UINT_MAX)
04106 return 0;
04107
04108 if (ts) {
04109 tv = ast_tvadd(ast_tvnow(), ast_samp2tv(timeout, 1000));
04110 ts->tv_sec = tv.tv_sec;
04111 ts->tv_nsec = tv.tv_usec * 1000;
04112 }
04113
04114 return 1;
04115 }
04116
04117 static void *sla_thread(void *data)
04118 {
04119 struct sla_failed_station *failed_station;
04120 struct sla_ringing_station *ringing_station;
04121
04122 ast_mutex_lock(&sla.lock);
04123
04124 while (!sla.stop) {
04125 struct sla_event *event;
04126 struct timespec ts = { 0, };
04127 unsigned int have_timeout = 0;
04128
04129 if (AST_LIST_EMPTY(&sla.event_q)) {
04130 if ((have_timeout = sla_process_timers(&ts)))
04131 ast_cond_timedwait(&sla.cond, &sla.lock, &ts);
04132 else
04133 ast_cond_wait(&sla.cond, &sla.lock);
04134 if (sla.stop)
04135 break;
04136 }
04137
04138 if (have_timeout)
04139 sla_process_timers(NULL);
04140
04141 while ((event = AST_LIST_REMOVE_HEAD(&sla.event_q, entry))) {
04142 ast_mutex_unlock(&sla.lock);
04143 switch (event->type) {
04144 case SLA_EVENT_HOLD:
04145 sla_handle_hold_event(event);
04146 break;
04147 case SLA_EVENT_DIAL_STATE:
04148 sla_handle_dial_state_event();
04149 break;
04150 case SLA_EVENT_RINGING_TRUNK:
04151 sla_handle_ringing_trunk_event();
04152 break;
04153 }
04154 free(event);
04155 ast_mutex_lock(&sla.lock);
04156 }
04157 }
04158
04159 ast_mutex_unlock(&sla.lock);
04160
04161 while ((ringing_station = AST_LIST_REMOVE_HEAD(&sla.ringing_stations, entry)))
04162 free(ringing_station);
04163
04164 while ((failed_station = AST_LIST_REMOVE_HEAD(&sla.failed_stations, entry)))
04165 free(failed_station);
04166
04167 return NULL;
04168 }
04169
04170 struct dial_trunk_args {
04171 struct sla_trunk_ref *trunk_ref;
04172 struct sla_station *station;
04173 ast_mutex_t *cond_lock;
04174 ast_cond_t *cond;
04175 };
04176
04177 static void *dial_trunk(void *data)
04178 {
04179 struct dial_trunk_args *args = data;
04180 struct ast_dial *dial;
04181 char *tech, *tech_data;
04182 enum ast_dial_result dial_res;
04183 char conf_name[MAX_CONFNUM];
04184 struct ast_conference *conf;
04185 struct ast_flags conf_flags = { 0 };
04186 struct sla_trunk_ref *trunk_ref = args->trunk_ref;
04187 const char *cid_name = NULL, *cid_num = NULL;
04188
04189 if (!(dial = ast_dial_create())) {
04190 ast_mutex_lock(args->cond_lock);
04191 ast_cond_signal(args->cond);
04192 ast_mutex_unlock(args->cond_lock);
04193 return NULL;
04194 }
04195
04196 tech_data = ast_strdupa(trunk_ref->trunk->device);
04197 tech = strsep(&tech_data, "/");
04198 if (ast_dial_append(dial, tech, tech_data) == -1) {
04199 ast_mutex_lock(args->cond_lock);
04200 ast_cond_signal(args->cond);
04201 ast_mutex_unlock(args->cond_lock);
04202 ast_dial_destroy(dial);
04203 return NULL;
04204 }
04205
04206 if (!sla.attempt_callerid && !ast_strlen_zero(trunk_ref->chan->cid.cid_name)) {
04207 cid_name = ast_strdupa(trunk_ref->chan->cid.cid_name);
04208 free(trunk_ref->chan->cid.cid_name);
04209 trunk_ref->chan->cid.cid_name = NULL;
04210 }
04211 if (!sla.attempt_callerid && !ast_strlen_zero(trunk_ref->chan->cid.cid_num)) {
04212 cid_num = ast_strdupa(trunk_ref->chan->cid.cid_num);
04213 free(trunk_ref->chan->cid.cid_num);
04214 trunk_ref->chan->cid.cid_num = NULL;
04215 }
04216
04217 dial_res = ast_dial_run(dial, trunk_ref->chan, 1);
04218
04219 if (cid_name)
04220 trunk_ref->chan->cid.cid_name = ast_strdup(cid_name);
04221 if (cid_num)
04222 trunk_ref->chan->cid.cid_num = ast_strdup(cid_num);
04223
04224 if (dial_res != AST_DIAL_RESULT_TRYING) {
04225 ast_mutex_lock(args->cond_lock);
04226 ast_cond_signal(args->cond);
04227 ast_mutex_unlock(args->cond_lock);
04228 ast_dial_destroy(dial);
04229 return NULL;
04230 }
04231
04232 for (;;) {
04233 unsigned int done = 0;
04234 switch ((dial_res = ast_dial_state(dial))) {
04235 case AST_DIAL_RESULT_ANSWERED:
04236 trunk_ref->trunk->chan = ast_dial_answered(dial);
04237 case AST_DIAL_RESULT_HANGUP:
04238 case AST_DIAL_RESULT_INVALID:
04239 case AST_DIAL_RESULT_FAILED:
04240 case AST_DIAL_RESULT_TIMEOUT:
04241 case AST_DIAL_RESULT_UNANSWERED:
04242 done = 1;
04243 case AST_DIAL_RESULT_TRYING:
04244 case AST_DIAL_RESULT_RINGING:
04245 case AST_DIAL_RESULT_PROGRESS:
04246 case AST_DIAL_RESULT_PROCEEDING:
04247 break;
04248 }
04249 if (done)
04250 break;
04251 }
04252
04253 if (!trunk_ref->trunk->chan) {
04254 ast_mutex_lock(args->cond_lock);
04255 ast_cond_signal(args->cond);
04256 ast_mutex_unlock(args->cond_lock);
04257 ast_dial_join(dial);
04258 ast_dial_destroy(dial);
04259 return NULL;
04260 }
04261
04262 snprintf(conf_name, sizeof(conf_name), "SLA_%s", trunk_ref->trunk->name);
04263 ast_set_flag(&conf_flags,
04264 CONFFLAG_QUIET | CONFFLAG_MARKEDEXIT | CONFFLAG_MARKEDUSER |
04265 CONFFLAG_PASS_DTMF | CONFFLAG_SLA_TRUNK);
04266 conf = build_conf(conf_name, "", "", 1, 1, 1);
04267
04268 ast_mutex_lock(args->cond_lock);
04269 ast_cond_signal(args->cond);
04270 ast_mutex_unlock(args->cond_lock);
04271
04272 if (conf) {
04273 conf_run(trunk_ref->trunk->chan, conf, conf_flags.flags, NULL);
04274 dispose_conf(conf);
04275 conf = NULL;
04276 }
04277
04278
04279 sla_change_trunk_state(trunk_ref->trunk, SLA_TRUNK_STATE_IDLE, ALL_TRUNK_REFS, NULL);
04280
04281 trunk_ref->trunk->chan = NULL;
04282 trunk_ref->trunk->on_hold = 0;
04283
04284 ast_dial_join(dial);
04285 ast_dial_destroy(dial);
04286
04287 return NULL;
04288 }
04289
04290
04291
04292 static struct sla_trunk_ref *sla_choose_idle_trunk(const struct sla_station *station)
04293 {
04294 struct sla_trunk_ref *trunk_ref = NULL;
04295
04296 AST_LIST_TRAVERSE(&station->trunks, trunk_ref, entry) {
04297 if (trunk_ref->state == SLA_TRUNK_STATE_IDLE)
04298 break;
04299 }
04300
04301 return trunk_ref;
04302 }
04303
04304 static int sla_station_exec(struct ast_channel *chan, void *data)
04305 {
04306 char *station_name, *trunk_name;
04307 struct sla_station *station;
04308 struct sla_trunk_ref *trunk_ref = NULL;
04309 char conf_name[MAX_CONFNUM];
04310 struct ast_flags conf_flags = { 0 };
04311 struct ast_conference *conf;
04312
04313 if (ast_strlen_zero(data)) {
04314 ast_log(LOG_WARNING, "Invalid Arguments to SLAStation!\n");
04315 pbx_builtin_setvar_helper(chan, "SLASTATION_STATUS", "FAILURE");
04316 return 0;
04317 }
04318
04319 trunk_name = ast_strdupa(data);
04320 station_name = strsep(&trunk_name, "_");
04321
04322 if (ast_strlen_zero(station_name)) {
04323 ast_log(LOG_WARNING, "Invalid Arguments to SLAStation!\n");
04324 pbx_builtin_setvar_helper(chan, "SLASTATION_STATUS", "FAILURE");
04325 return 0;
04326 }
04327
04328 AST_RWLIST_RDLOCK(&sla_stations);
04329 station = sla_find_station(station_name);
04330 AST_RWLIST_UNLOCK(&sla_stations);
04331
04332 if (!station) {
04333 ast_log(LOG_WARNING, "Station '%s' not found!\n", station_name);
04334 pbx_builtin_setvar_helper(chan, "SLASTATION_STATUS", "FAILURE");
04335 return 0;
04336 }
04337
04338 AST_RWLIST_RDLOCK(&sla_trunks);
04339 if (!ast_strlen_zero(trunk_name)) {
04340 trunk_ref = sla_find_trunk_ref_byname(station, trunk_name);
04341 } else
04342 trunk_ref = sla_choose_idle_trunk(station);
04343 AST_RWLIST_UNLOCK(&sla_trunks);
04344
04345 if (!trunk_ref) {
04346 if (ast_strlen_zero(trunk_name))
04347 ast_log(LOG_NOTICE, "No trunks available for call.\n");
04348 else {
04349 ast_log(LOG_NOTICE, "Can't join existing call on trunk "
04350 "'%s' due to access controls.\n", trunk_name);
04351 }
04352 pbx_builtin_setvar_helper(chan, "SLASTATION_STATUS", "CONGESTION");
04353 return 0;
04354 }
04355
04356 if (trunk_ref->state == SLA_TRUNK_STATE_ONHOLD_BYME) {
04357 if (ast_atomic_dec_and_test((int *) &trunk_ref->trunk->hold_stations) == 1)
04358 sla_change_trunk_state(trunk_ref->trunk, SLA_TRUNK_STATE_UP, ALL_TRUNK_REFS, NULL);
04359 else {
04360 trunk_ref->state = SLA_TRUNK_STATE_UP;
04361 ast_device_state_changed("SLA:%s_%s", station->name, trunk_ref->trunk->name);
04362 }
04363 } else if (trunk_ref->state == SLA_TRUNK_STATE_RINGING) {
04364 struct sla_ringing_trunk *ringing_trunk;
04365
04366 ast_mutex_lock(&sla.lock);
04367 AST_LIST_TRAVERSE_SAFE_BEGIN(&sla.ringing_trunks, ringing_trunk, entry) {
04368 if (ringing_trunk->trunk == trunk_ref->trunk) {
04369 AST_LIST_REMOVE_CURRENT(&sla.ringing_trunks, entry);
04370 break;
04371 }
04372 }
04373 AST_LIST_TRAVERSE_SAFE_END
04374 ast_mutex_unlock(&sla.lock);
04375
04376 if (ringing_trunk) {
04377 answer_trunk_chan(ringing_trunk->trunk->chan);
04378 sla_change_trunk_state(ringing_trunk->trunk, SLA_TRUNK_STATE_UP, ALL_TRUNK_REFS, NULL);
04379
04380 free(ringing_trunk);
04381
04382
04383 sla_queue_event(SLA_EVENT_RINGING_TRUNK);
04384 sla_queue_event(SLA_EVENT_DIAL_STATE);
04385 }
04386 }
04387
04388 trunk_ref->chan = chan;
04389
04390 if (!trunk_ref->trunk->chan) {
04391 ast_mutex_t cond_lock;
04392 ast_cond_t cond;
04393 pthread_t dont_care;
04394 pthread_attr_t attr;
04395 struct dial_trunk_args args = {
04396 .trunk_ref = trunk_ref,
04397 .station = station,
04398 .cond_lock = &cond_lock,
04399 .cond = &cond,
04400 };
04401 sla_change_trunk_state(trunk_ref->trunk, SLA_TRUNK_STATE_UP, ALL_TRUNK_REFS, NULL);
04402
04403
04404
04405 ast_autoservice_start(chan);
04406 ast_mutex_init(&cond_lock);
04407 ast_cond_init(&cond, NULL);
04408 pthread_attr_init(&attr);
04409 pthread_attr_setdetachstate(&attr, PTHREAD_CREATE_DETACHED);
04410 ast_mutex_lock(&cond_lock);
04411 ast_pthread_create_background(&dont_care, &attr, dial_trunk, &args);
04412 ast_cond_wait(&cond, &cond_lock);
04413 ast_mutex_unlock(&cond_lock);
04414 ast_mutex_destroy(&cond_lock);
04415 ast_cond_destroy(&cond);
04416 pthread_attr_destroy(&attr);
04417 ast_autoservice_stop(chan);
04418 if (!trunk_ref->trunk->chan) {
04419 ast_log(LOG_DEBUG, "Trunk didn't get created. chan: %lx\n", (long) trunk_ref->trunk->chan);
04420 pbx_builtin_setvar_helper(chan, "SLASTATION_STATUS", "CONGESTION");
04421 sla_change_trunk_state(trunk_ref->trunk, SLA_TRUNK_STATE_IDLE, ALL_TRUNK_REFS, NULL);
04422 trunk_ref->chan = NULL;
04423 return 0;
04424 }
04425 }
04426
04427 if (ast_atomic_fetchadd_int((int *) &trunk_ref->trunk->active_stations, 1) == 0 &&
04428 trunk_ref->trunk->on_hold) {
04429 trunk_ref->trunk->on_hold = 0;
04430 ast_indicate(trunk_ref->trunk->chan, AST_CONTROL_UNHOLD);
04431 sla_change_trunk_state(trunk_ref->trunk, SLA_TRUNK_STATE_UP, ALL_TRUNK_REFS, NULL);
04432 }
04433
04434 snprintf(conf_name, sizeof(conf_name), "SLA_%s", trunk_ref->trunk->name);
04435 ast_set_flag(&conf_flags,
04436 CONFFLAG_QUIET | CONFFLAG_MARKEDEXIT | CONFFLAG_PASS_DTMF | CONFFLAG_SLA_STATION);
04437 ast_answer(chan);
04438 conf = build_conf(conf_name, "", "", 0, 0, 1);
04439 if (conf) {
04440 conf_run(chan, conf, conf_flags.flags, NULL);
04441 dispose_conf(conf);
04442 conf = NULL;
04443 }
04444 trunk_ref->chan = NULL;
04445 if (ast_atomic_dec_and_test((int *) &trunk_ref->trunk->active_stations) &&
04446 trunk_ref->state != SLA_TRUNK_STATE_ONHOLD_BYME) {
04447 strncat(conf_name, "|K", sizeof(conf_name) - strlen(conf_name) - 1);
04448 admin_exec(NULL, conf_name);
04449 trunk_ref->trunk->hold_stations = 0;
04450 sla_change_trunk_state(trunk_ref->trunk, SLA_TRUNK_STATE_IDLE, ALL_TRUNK_REFS, NULL);
04451 }
04452
04453 pbx_builtin_setvar_helper(chan, "SLASTATION_STATUS", "SUCCESS");
04454
04455 return 0;
04456 }
04457
04458 static struct sla_trunk_ref *create_trunk_ref(struct sla_trunk *trunk)
04459 {
04460 struct sla_trunk_ref *trunk_ref;
04461
04462 if (!(trunk_ref = ast_calloc(1, sizeof(*trunk_ref))))
04463 return NULL;
04464
04465 trunk_ref->trunk = trunk;
04466
04467 return trunk_ref;
04468 }
04469
04470 static struct sla_ringing_trunk *queue_ringing_trunk(struct sla_trunk *trunk)
04471 {
04472 struct sla_ringing_trunk *ringing_trunk;
04473
04474 if (!(ringing_trunk = ast_calloc(1, sizeof(*ringing_trunk))))
04475 return NULL;
04476
04477 ringing_trunk->trunk = trunk;
04478 ringing_trunk->ring_begin = ast_tvnow();
04479
04480 sla_change_trunk_state(trunk, SLA_TRUNK_STATE_RINGING, ALL_TRUNK_REFS, NULL);
04481
04482 ast_mutex_lock(&sla.lock);
04483 AST_LIST_INSERT_HEAD(&sla.ringing_trunks, ringing_trunk, entry);
04484 ast_mutex_unlock(&sla.lock);
04485
04486 sla_queue_event(SLA_EVENT_RINGING_TRUNK);
04487
04488 return ringing_trunk;
04489 }
04490
04491 static int sla_trunk_exec(struct ast_channel *chan, void *data)
04492 {
04493 const char *trunk_name = data;
04494 char conf_name[MAX_CONFNUM];
04495 struct ast_conference *conf;
04496 struct ast_flags conf_flags = { 0 };
04497 struct sla_trunk *trunk;
04498 struct sla_ringing_trunk *ringing_trunk;
04499
04500 AST_RWLIST_RDLOCK(&sla_trunks);
04501 trunk = sla_find_trunk(trunk_name);
04502 AST_RWLIST_UNLOCK(&sla_trunks);
04503 if (!trunk) {
04504 ast_log(LOG_ERROR, "SLA Trunk '%s' not found!\n", trunk_name);
04505 pbx_builtin_setvar_helper(chan, "SLATRUNK_STATUS", "FAILURE");
04506 return 0;
04507 }
04508 if (trunk->chan) {
04509 ast_log(LOG_ERROR, "Call came in on %s, but the trunk is already in use!\n",
04510 trunk_name);
04511 pbx_builtin_setvar_helper(chan, "SLATRUNK_STATUS", "FAILURE");
04512 return 0;
04513 }
04514 trunk->chan = chan;
04515
04516 if (!(ringing_trunk = queue_ringing_trunk(trunk))) {
04517 pbx_builtin_setvar_helper(chan, "SLATRUNK_STATUS", "FAILURE");
04518 return 0;
04519 }
04520
04521 snprintf(conf_name, sizeof(conf_name), "SLA_%s", trunk_name);
04522 conf = build_conf(conf_name, "", "", 1, 1, 1);
04523 if (!conf) {
04524 pbx_builtin_setvar_helper(chan, "SLATRUNK_STATUS", "FAILURE");
04525 return 0;
04526 }
04527 ast_set_flag(&conf_flags,
04528 CONFFLAG_QUIET | CONFFLAG_MARKEDEXIT | CONFFLAG_MARKEDUSER | CONFFLAG_PASS_DTMF | CONFFLAG_NO_AUDIO_UNTIL_UP);
04529 ast_indicate(chan, AST_CONTROL_RINGING);
04530 conf_run(chan, conf, conf_flags.flags, NULL);
04531 dispose_conf(conf);
04532 conf = NULL;
04533 trunk->chan = NULL;
04534 trunk->on_hold = 0;
04535
04536 sla_change_trunk_state(trunk, SLA_TRUNK_STATE_IDLE, ALL_TRUNK_REFS, NULL);
04537
04538 if (!pbx_builtin_getvar_helper(chan, "SLATRUNK_STATUS"))
04539 pbx_builtin_setvar_helper(chan, "SLATRUNK_STATUS", "SUCCESS");
04540
04541
04542 ast_mutex_lock(&sla.lock);
04543 AST_LIST_TRAVERSE_SAFE_BEGIN(&sla.ringing_trunks, ringing_trunk, entry) {
04544 if (ringing_trunk->trunk == trunk) {
04545 AST_LIST_REMOVE_CURRENT(&sla.ringing_trunks, entry);
04546 break;
04547 }
04548 }
04549 AST_LIST_TRAVERSE_SAFE_END
04550 ast_mutex_unlock(&sla.lock);
04551 if (ringing_trunk) {
04552 free(ringing_trunk);
04553 pbx_builtin_setvar_helper(chan, "SLATRUNK_STATUS", "UNANSWERED");
04554
04555
04556 sla_queue_event(SLA_EVENT_RINGING_TRUNK);
04557 }
04558
04559 return 0;
04560 }
04561
04562 static int sla_state(const char *data)
04563 {
04564 char *buf, *station_name, *trunk_name;
04565 struct sla_station *station;
04566 struct sla_trunk_ref *trunk_ref;
04567 int res = AST_DEVICE_INVALID;
04568
04569 trunk_name = buf = ast_strdupa(data);
04570 station_name = strsep(&trunk_name, "_");
04571
04572 AST_RWLIST_RDLOCK(&sla_stations);
04573 AST_LIST_TRAVERSE(&sla_stations, station, entry) {
04574 if (strcasecmp(station_name, station->name))
04575 continue;
04576 AST_RWLIST_RDLOCK(&sla_trunks);
04577 AST_LIST_TRAVERSE(&station->trunks, trunk_ref, entry) {
04578 if (!strcasecmp(trunk_name, trunk_ref->trunk->name))
04579 break;
04580 }
04581 if (!trunk_ref) {
04582 AST_RWLIST_UNLOCK(&sla_trunks);
04583 break;
04584 }
04585 switch (trunk_ref->state) {
04586 case SLA_TRUNK_STATE_IDLE:
04587 res = AST_DEVICE_NOT_INUSE;
04588 break;
04589 case SLA_TRUNK_STATE_RINGING:
04590 res = AST_DEVICE_RINGING;
04591 break;
04592 case SLA_TRUNK_STATE_UP:
04593 res = AST_DEVICE_INUSE;
04594 break;
04595 case SLA_TRUNK_STATE_ONHOLD:
04596 case SLA_TRUNK_STATE_ONHOLD_BYME:
04597 res = AST_DEVICE_ONHOLD;
04598 break;
04599 }
04600 AST_RWLIST_UNLOCK(&sla_trunks);
04601 }
04602 AST_RWLIST_UNLOCK(&sla_stations);
04603
04604 if (res == AST_DEVICE_INVALID) {
04605 ast_log(LOG_ERROR, "Could not determine state for trunk %s on station %s!\n",
04606 trunk_name, station_name);
04607 }
04608
04609 return res;
04610 }
04611
04612 static void destroy_trunk(struct sla_trunk *trunk)
04613 {
04614 struct sla_station_ref *station_ref;
04615
04616 if (!ast_strlen_zero(trunk->autocontext))
04617 ast_context_remove_extension(trunk->autocontext, "s", 1, sla_registrar);
04618
04619 while ((station_ref = AST_LIST_REMOVE_HEAD(&trunk->stations, entry)))
04620 free(station_ref);
04621
04622 ast_string_field_free_memory(trunk);
04623 free(trunk);
04624 }
04625
04626 static void destroy_station(struct sla_station *station)
04627 {
04628 struct sla_trunk_ref *trunk_ref;
04629
04630 if (!ast_strlen_zero(station->autocontext)) {
04631 AST_RWLIST_RDLOCK(&sla_trunks);
04632 AST_LIST_TRAVERSE(&station->trunks, trunk_ref, entry) {
04633 char exten[AST_MAX_EXTENSION];
04634 char hint[AST_MAX_APP];
04635 snprintf(exten, sizeof(exten), "%s_%s", station->name, trunk_ref->trunk->name);
04636 snprintf(hint, sizeof(hint), "SLA:%s", exten);
04637 ast_context_remove_extension(station->autocontext, exten,
04638 1, sla_registrar);
04639 ast_context_remove_extension(station->autocontext, hint,
04640 PRIORITY_HINT, sla_registrar);
04641 }
04642 AST_RWLIST_UNLOCK(&sla_trunks);
04643 }
04644
04645 while ((trunk_ref = AST_LIST_REMOVE_HEAD(&station->trunks, entry)))
04646 free(trunk_ref);
04647
04648 ast_string_field_free_memory(station);
04649 free(station);
04650 }
04651
04652 static void sla_destroy(void)
04653 {
04654 struct sla_trunk *trunk;
04655 struct sla_station *station;
04656
04657 AST_RWLIST_WRLOCK(&sla_trunks);
04658 while ((trunk = AST_RWLIST_REMOVE_HEAD(&sla_trunks, entry)))
04659 destroy_trunk(trunk);
04660 AST_RWLIST_UNLOCK(&sla_trunks);
04661
04662 AST_RWLIST_WRLOCK(&sla_stations);
04663 while ((station = AST_RWLIST_REMOVE_HEAD(&sla_stations, entry)))
04664 destroy_station(station);
04665 AST_RWLIST_UNLOCK(&sla_stations);
04666
04667 if (sla.thread != AST_PTHREADT_NULL) {
04668 ast_mutex_lock(&sla.lock);
04669 sla.stop = 1;
04670 ast_cond_signal(&sla.cond);
04671 ast_mutex_unlock(&sla.lock);
04672 pthread_join(sla.thread, NULL);
04673 }
04674
04675
04676 ast_context_destroy(NULL, sla_registrar);
04677
04678 ast_mutex_destroy(&sla.lock);
04679 ast_cond_destroy(&sla.cond);
04680 }
04681
04682 static int sla_check_device(const char *device)
04683 {
04684 char *tech, *tech_data;
04685
04686 tech_data = ast_strdupa(device);
04687 tech = strsep(&tech_data, "/");
04688
04689 if (ast_strlen_zero(tech) || ast_strlen_zero(tech_data))
04690 return -1;
04691
04692 return 0;
04693 }
04694
04695 static int sla_build_trunk(struct ast_config *cfg, const char *cat)
04696 {
04697 struct sla_trunk *trunk;
04698 struct ast_variable *var;
04699 const char *dev;
04700
04701 if (!(dev = ast_variable_retrieve(cfg, cat, "device"))) {
04702 ast_log(LOG_ERROR, "SLA Trunk '%s' defined with no device!\n", cat);
04703 return -1;
04704 }
04705
04706 if (sla_check_device(dev)) {
04707 ast_log(LOG_ERROR, "SLA Trunk '%s' define with invalid device '%s'!\n",
04708 cat, dev);
04709 return -1;
04710 }
04711
04712 if (!(trunk = ast_calloc(1, sizeof(*trunk))))
04713 return -1;
04714 if (ast_string_field_init(trunk, 32)) {
04715 free(trunk);
04716 return -1;
04717 }
04718
04719 ast_string_field_set(trunk, name, cat);
04720 ast_string_field_set(trunk, device, dev);
04721
04722 for (var = ast_variable_browse(cfg, cat); var; var = var->next) {
04723 if (!strcasecmp(var->name, "autocontext"))
04724 ast_string_field_set(trunk, autocontext, var->value);
04725 else if (!strcasecmp(var->name, "ringtimeout")) {
04726 if (sscanf(var->value, "%u", &trunk->ring_timeout) != 1) {
04727 ast_log(LOG_WARNING, "Invalid ringtimeout '%s' specified for trunk '%s'\n",
04728 var->value, trunk->name);
04729 trunk->ring_timeout = 0;
04730 }
04731 } else if (!strcasecmp(var->name, "barge"))
04732 trunk->barge_disabled = ast_false(var->value);
04733 else if (!strcasecmp(var->name, "hold")) {
04734 if (!strcasecmp(var->value, "private"))
04735 trunk->hold_access = SLA_HOLD_PRIVATE;
04736 else if (!strcasecmp(var->value, "open"))
04737 trunk->hold_access = SLA_HOLD_OPEN;
04738 else {
04739 ast_log(LOG_WARNING, "Invalid value '%s' for hold on trunk %s\n",
04740 var->value, trunk->name);
04741 }
04742 } else if (strcasecmp(var->name, "type") && strcasecmp(var->name, "device")) {
04743 ast_log(LOG_ERROR, "Invalid option '%s' specified at line %d of %s!\n",
04744 var->name, var->lineno, SLA_CONFIG_FILE);
04745 }
04746 }
04747
04748 if (!ast_strlen_zero(trunk->autocontext)) {
04749 struct ast_context *context;
04750 context = ast_context_find_or_create(NULL, trunk->autocontext, sla_registrar);
04751 if (!context) {
04752 ast_log(LOG_ERROR, "Failed to automatically find or create "
04753 "context '%s' for SLA!\n", trunk->autocontext);
04754 destroy_trunk(trunk);
04755 return -1;
04756 }
04757 if (ast_add_extension2(context, 0 , "s", 1,
04758 NULL, NULL, slatrunk_app, ast_strdup(trunk->name), ast_free, sla_registrar)) {
04759 ast_log(LOG_ERROR, "Failed to automatically create extension "
04760 "for trunk '%s'!\n", trunk->name);
04761 destroy_trunk(trunk);
04762 return -1;
04763 }
04764 }
04765
04766 AST_RWLIST_WRLOCK(&sla_trunks);
04767 AST_RWLIST_INSERT_TAIL(&sla_trunks, trunk, entry);
04768 AST_RWLIST_UNLOCK(&sla_trunks);
04769
04770 return 0;
04771 }
04772
04773 static void sla_add_trunk_to_station(struct sla_station *station, struct ast_variable *var)
04774 {
04775 struct sla_trunk *trunk;
04776 struct sla_trunk_ref *trunk_ref;
04777 struct sla_station_ref *station_ref;
04778 char *trunk_name, *options, *cur;
04779
04780 options = ast_strdupa(var->value);
04781 trunk_name = strsep(&options, ",");
04782
04783 AST_RWLIST_RDLOCK(&sla_trunks);
04784 AST_RWLIST_TRAVERSE(&sla_trunks, trunk, entry) {
04785 if (!strcasecmp(trunk->name, trunk_name))
04786 break;
04787 }
04788
04789 AST_RWLIST_UNLOCK(&sla_trunks);
04790 if (!trunk) {
04791 ast_log(LOG_ERROR, "Trunk '%s' not found!\n", var->value);
04792 return;
04793 }
04794 if (!(trunk_ref = create_trunk_ref(trunk)))
04795 return;
04796 trunk_ref->state = SLA_TRUNK_STATE_IDLE;
04797
04798 while ((cur = strsep(&options, ","))) {
04799 char *name, *value = cur;
04800 name = strsep(&value, "=");
04801 if (!strcasecmp(name, "ringtimeout")) {
04802 if (sscanf(value, "%u", &trunk_ref->ring_timeout) != 1) {
04803 ast_log(LOG_WARNING, "Invalid ringtimeout value '%s' for "
04804 "trunk '%s' on station '%s'\n", value, trunk->name, station->name);
04805 trunk_ref->ring_timeout = 0;
04806 }
04807 } else if (!strcasecmp(name, "ringdelay")) {
04808 if (sscanf(value, "%u", &trunk_ref->ring_delay) != 1) {
04809 ast_log(LOG_WARNING, "Invalid ringdelay value '%s' for "
04810 "trunk '%s' on station '%s'\n", value, trunk->name, station->name);
04811 trunk_ref->ring_delay = 0;
04812 }
04813 } else {
04814 ast_log(LOG_WARNING, "Invalid option '%s' for "
04815 "trunk '%s' on station '%s'\n", name, trunk->name, station->name);
04816 }
04817 }
04818
04819 if (!(station_ref = sla_create_station_ref(station))) {
04820 free(trunk_ref);
04821 return;
04822 }
04823 ast_atomic_fetchadd_int((int *) &trunk->num_stations, 1);
04824 AST_RWLIST_WRLOCK(&sla_trunks);
04825 AST_LIST_INSERT_TAIL(&trunk->stations, station_ref, entry);
04826 AST_RWLIST_UNLOCK(&sla_trunks);
04827 AST_LIST_INSERT_TAIL(&station->trunks, trunk_ref, entry);
04828 }
04829
04830 static int sla_build_station(struct ast_config *cfg, const char *cat)
04831 {
04832 struct sla_station *station;
04833 struct ast_variable *var;
04834 const char *dev;
04835
04836 if (!(dev = ast_variable_retrieve(cfg, cat, "device"))) {
04837 ast_log(LOG_ERROR, "SLA Station '%s' defined with no device!\n", cat);
04838 return -1;
04839 }
04840
04841 if (!(station = ast_calloc(1, sizeof(*station))))
04842 return -1;
04843 if (ast_string_field_init(station, 32)) {
04844 free(station);
04845 return -1;
04846 }
04847
04848 ast_string_field_set(station, name, cat);
04849 ast_string_field_set(station, device, dev);
04850
04851 for (var = ast_variable_browse(cfg, cat); var; var = var->next) {
04852 if (!strcasecmp(var->name, "trunk"))
04853 sla_add_trunk_to_station(station, var);
04854 else if (!strcasecmp(var->name, "autocontext"))
04855 ast_string_field_set(station, autocontext, var->value);
04856 else if (!strcasecmp(var->name, "ringtimeout")) {
04857 if (sscanf(var->value, "%u", &station->ring_timeout) != 1) {
04858 ast_log(LOG_WARNING, "Invalid ringtimeout '%s' specified for station '%s'\n",
04859 var->value, station->name);
04860 station->ring_timeout = 0;
04861 }
04862 } else if (!strcasecmp(var->name, "ringdelay")) {
04863 if (sscanf(var->value, "%u", &station->ring_delay) != 1) {
04864 ast_log(LOG_WARNING, "Invalid ringdelay '%s' specified for station '%s'\n",
04865 var->value, station->name);
04866 station->ring_delay = 0;
04867 }
04868 } else if (!strcasecmp(var->name, "hold")) {
04869 if (!strcasecmp(var->value, "private"))
04870 station->hold_access = SLA_HOLD_PRIVATE;
04871 else if (!strcasecmp(var->value, "open"))
04872 station->hold_access = SLA_HOLD_OPEN;
04873 else {
04874 ast_log(LOG_WARNING, "Invalid value '%s' for hold on station %s\n",
04875 var->value, station->name);
04876 }
04877
04878 } else if (strcasecmp(var->name, "type") && strcasecmp(var->name, "device")) {
04879 ast_log(LOG_ERROR, "Invalid option '%s' specified at line %d of %s!\n",
04880 var->name, var->lineno, SLA_CONFIG_FILE);
04881 }
04882 }
04883
04884 if (!ast_strlen_zero(station->autocontext)) {
04885 struct ast_context *context;
04886 struct sla_trunk_ref *trunk_ref;
04887 context = ast_context_find_or_create(NULL, station->autocontext, sla_registrar);
04888 if (!context) {
04889 ast_log(LOG_ERROR, "Failed to automatically find or create "
04890 "context '%s' for SLA!\n", station->autocontext);
04891 destroy_station(station);
04892 return -1;
04893 }
04894
04895
04896 if (ast_add_extension2(context, 0 , station->name, 1,
04897 NULL, NULL, slastation_app, ast_strdup(station->name), ast_free, sla_registrar)) {
04898 ast_log(LOG_ERROR, "Failed to automatically create extension "
04899 "for trunk '%s'!\n", station->name);
04900 destroy_station(station);
04901 return -1;
04902 }
04903 AST_RWLIST_RDLOCK(&sla_trunks);
04904 AST_LIST_TRAVERSE(&station->trunks, trunk_ref, entry) {
04905 char exten[AST_MAX_EXTENSION];
04906 char hint[AST_MAX_APP];
04907 snprintf(exten, sizeof(exten), "%s_%s", station->name, trunk_ref->trunk->name);
04908 snprintf(hint, sizeof(hint), "SLA:%s", exten);
04909
04910
04911 if (ast_add_extension2(context, 0 , exten, 1,
04912 NULL, NULL, slastation_app, ast_strdup(exten), ast_free, sla_registrar)) {
04913 ast_log(LOG_ERROR, "Failed to automatically create extension "
04914 "for trunk '%s'!\n", station->name);
04915 destroy_station(station);
04916 return -1;
04917 }
04918
04919
04920 if (ast_add_extension2(context, 0 , exten, PRIORITY_HINT,
04921 NULL, NULL, hint, NULL, NULL, sla_registrar)) {
04922 ast_log(LOG_ERROR, "Failed to automatically create hint "
04923 "for trunk '%s'!\n", station->name);
04924 destroy_station(station);
04925 return -1;
04926 }
04927 }
04928 AST_RWLIST_UNLOCK(&sla_trunks);
04929 }
04930
04931 AST_RWLIST_WRLOCK(&sla_stations);
04932 AST_RWLIST_INSERT_TAIL(&sla_stations, station, entry);
04933 AST_RWLIST_UNLOCK(&sla_stations);
04934
04935 return 0;
04936 }
04937
04938 static int sla_load_config(void)
04939 {
04940 struct ast_config *cfg;
04941 const char *cat = NULL;
04942 int res = 0;
04943 const char *val;
04944
04945 ast_mutex_init(&sla.lock);
04946 ast_cond_init(&sla.cond, NULL);
04947
04948 if (!(cfg = ast_config_load(SLA_CONFIG_FILE)))
04949 return 0;
04950
04951 if ((val = ast_variable_retrieve(cfg, "general", "attemptcallerid")))
04952 sla.attempt_callerid = ast_true(val);
04953
04954 while ((cat = ast_category_browse(cfg, cat)) && !res) {
04955 const char *type;
04956 if (!strcasecmp(cat, "general"))
04957 continue;
04958 if (!(type = ast_variable_retrieve(cfg, cat, "type"))) {
04959 ast_log(LOG_WARNING, "Invalid entry in %s defined with no type!\n",
04960 SLA_CONFIG_FILE);
04961 continue;
04962 }
04963 if (!strcasecmp(type, "trunk"))
04964 res = sla_build_trunk(cfg, cat);
04965 else if (!strcasecmp(type, "station"))
04966 res = sla_build_station(cfg, cat);
04967 else {
04968 ast_log(LOG_WARNING, "Entry in %s defined with invalid type '%s'!\n",
04969 SLA_CONFIG_FILE, type);
04970 }
04971 }
04972
04973 ast_config_destroy(cfg);
04974
04975 if (!AST_LIST_EMPTY(&sla_stations) || !AST_LIST_EMPTY(&sla_stations))
04976 ast_pthread_create(&sla.thread, NULL, sla_thread, NULL);
04977
04978 return res;
04979 }
04980
04981 static int load_config(int reload)
04982 {
04983 int res = 0;
04984
04985 load_config_meetme();
04986 if (!reload)
04987 res = sla_load_config();
04988
04989 return res;
04990 }
04991
04992 static int unload_module(void)
04993 {
04994 int res = 0;
04995
04996 ast_cli_unregister_multiple(cli_meetme, ARRAY_LEN(cli_meetme));
04997 res = ast_manager_unregister("MeetmeMute");
04998 res |= ast_manager_unregister("MeetmeUnmute");
04999 res |= ast_unregister_application(app3);
05000 res |= ast_unregister_application(app2);
05001 res |= ast_unregister_application(app);
05002 res |= ast_unregister_application(slastation_app);
05003 res |= ast_unregister_application(slatrunk_app);
05004
05005 ast_devstate_prov_del("Meetme");
05006 ast_devstate_prov_del("SLA");
05007
05008 ast_module_user_hangup_all();
05009
05010 sla_destroy();
05011
05012 return res;
05013 }
05014
05015 static int load_module(void)
05016 {
05017 int res = 0;
05018
05019 res |= load_config(0);
05020
05021 ast_cli_register_multiple(cli_meetme, ARRAY_LEN(cli_meetme));
05022 res |= ast_manager_register("MeetmeMute", EVENT_FLAG_CALL,
05023 action_meetmemute, "Mute a Meetme user");
05024 res |= ast_manager_register("MeetmeUnmute", EVENT_FLAG_CALL,
05025 action_meetmeunmute, "Unmute a Meetme user");
05026 res |= ast_register_application(app3, admin_exec, synopsis3, descrip3);
05027 res |= ast_register_application(app2, count_exec, synopsis2, descrip2);
05028 res |= ast_register_application(app, conf_exec, synopsis, descrip);
05029 res |= ast_register_application(slastation_app, sla_station_exec,
05030 slastation_synopsis, slastation_desc);
05031 res |= ast_register_application(slatrunk_app, sla_trunk_exec,
05032 slatrunk_synopsis, slatrunk_desc);
05033
05034 res |= ast_devstate_prov_add("Meetme", meetmestate);
05035 res |= ast_devstate_prov_add("SLA", sla_state);
05036
05037 return res;
05038 }
05039
05040 static int reload(void)
05041 {
05042 return load_config(1);
05043 }
05044
05045 AST_MODULE_INFO(ASTERISK_GPL_KEY, AST_MODFLAG_DEFAULT, "MeetMe conference bridge",
05046 .load = load_module,
05047 .unload = unload_module,
05048 .reload = reload,
05049 );
05050