00001
00002
00003
00004
00005
00006
00007
00008
00009
00010
00011
00012
00013
00014
00015
00016
00017
00018
00019
00020
00021
00022
00023
00024
00025
00026 #include "asterisk.h"
00027
00028 ASTERISK_FILE_VERSION(__FILE__, "$Revision: 258778 $")
00029
00030 #include <sys/stat.h>
00031 #include <libgen.h>
00032
00033 #include "asterisk/paths.h"
00034 #include "asterisk/lock.h"
00035 #include "asterisk/channel.h"
00036 #include "asterisk/file.h"
00037 #include "asterisk/pbx.h"
00038 #include "asterisk/module.h"
00039 #include "asterisk/manager.h"
00040 #include "asterisk/cli.h"
00041 #include "asterisk/monitor.h"
00042 #include "asterisk/app.h"
00043 #include "asterisk/utils.h"
00044 #include "asterisk/config.h"
00045 #include "asterisk/options.h"
00046
00047 AST_MUTEX_DEFINE_STATIC(monitorlock);
00048
00049 #define LOCK_IF_NEEDED(lock, needed) do { \
00050 if (needed) \
00051 ast_channel_lock(lock); \
00052 } while(0)
00053
00054 #define UNLOCK_IF_NEEDED(lock, needed) do { \
00055 if (needed) \
00056 ast_channel_unlock(lock); \
00057 } while (0)
00058
00059 static unsigned long seq = 0;
00060
00061 static char *monitor_synopsis = "Monitor a channel";
00062
00063 static char *monitor_descrip = " Monitor([file_format[:urlbase],[fname_base],[options]]):\n"
00064 "Used to start monitoring a channel. The channel's input and output\n"
00065 "voice packets are logged to files until the channel hangs up or\n"
00066 "monitoring is stopped by the StopMonitor application.\n"
00067 " file_format optional, if not set, defaults to \"wav\"\n"
00068 " fname_base if set, changes the filename used to the one specified.\n"
00069 " options:\n"
00070 " m - when the recording ends mix the two leg files into one and\n"
00071 " delete the two leg files. If the variable MONITOR_EXEC is set, the\n"
00072 " application referenced in it will be executed instead of\n"
00073 #ifdef HAVE_SOXMIX
00074 " soxmix and the raw leg files will NOT be deleted automatically.\n"
00075 " soxmix or MONITOR_EXEC is handed 3 arguments, the two leg files\n"
00076 #else
00077 " sox and the raw leg files will NOT be deleted automatically.\n"
00078 " sox or MONITOR_EXEC is handed 3 arguments, the two leg files\n"
00079 #endif
00080 " and a target mixed file name which is the same as the leg file names\n"
00081 " only without the in/out designator.\n"
00082 " If MONITOR_EXEC_ARGS is set, the contents will be passed on as\n"
00083 " additional arguments to MONITOR_EXEC\n"
00084 " Both MONITOR_EXEC and the Mix flag can be set from the\n"
00085 " administrator interface\n"
00086 "\n"
00087 " b - Don't begin recording unless a call is bridged to another channel\n"
00088 " i - Skip recording of input stream (disables m option)\n"
00089 " o - Skip recording of output stream (disables m option)\n"
00090 "\nBy default, files are stored to /var/spool/asterisk/monitor/.\n"
00091 "\nReturns -1 if monitor files can't be opened or if the channel is already\n"
00092 "monitored, otherwise 0.\n"
00093 ;
00094
00095 static char *stopmonitor_synopsis = "Stop monitoring a channel";
00096
00097 static char *stopmonitor_descrip = " StopMonitor():\n"
00098 "Stops monitoring a channel. Has no effect if the channel is not monitored\n";
00099
00100 static char *changemonitor_synopsis = "Change monitoring filename of a channel";
00101
00102 static char *changemonitor_descrip = " ChangeMonitor(filename_base):\n"
00103 "Changes monitoring filename of a channel. Has no effect if the channel is not monitored.\n"
00104 "The argument is the new filename base to use for monitoring this channel.\n";
00105
00106 static char *pausemonitor_synopsis = "Pause monitoring of a channel";
00107
00108 static char *pausemonitor_descrip = " PauseMonitor():\n"
00109 "Pauses monitoring of a channel until it is re-enabled by a call to UnpauseMonitor.\n";
00110
00111 static char *unpausemonitor_synopsis = "Unpause monitoring of a channel";
00112
00113 static char *unpausemonitor_descrip = " UnpauseMonitor():\n"
00114 "Unpauses monitoring of a channel on which monitoring had\n"
00115 "previously been paused with PauseMonitor.\n";
00116
00117
00118
00119
00120
00121
00122
00123
00124 static int ast_monitor_set_state(struct ast_channel *chan, int state)
00125 {
00126 LOCK_IF_NEEDED(chan, 1);
00127 if (!chan->monitor) {
00128 UNLOCK_IF_NEEDED(chan, 1);
00129 return -1;
00130 }
00131 chan->monitor->state = state;
00132 UNLOCK_IF_NEEDED(chan, 1);
00133 return 0;
00134 }
00135
00136
00137
00138
00139
00140
00141
00142
00143
00144
00145
00146
00147 int ast_monitor_start( struct ast_channel *chan, const char *format_spec,
00148 const char *fname_base, int need_lock, int stream_action)
00149 {
00150 int res = 0;
00151
00152 LOCK_IF_NEEDED(chan, need_lock);
00153
00154 if (!(chan->monitor)) {
00155 struct ast_channel_monitor *monitor;
00156 char *channel_name, *p;
00157
00158
00159 ast_mkdir(ast_config_AST_MONITOR_DIR, 0777);
00160
00161 if (!(monitor = ast_calloc(1, sizeof(*monitor)))) {
00162 UNLOCK_IF_NEEDED(chan, need_lock);
00163 return -1;
00164 }
00165
00166
00167 if (!ast_strlen_zero(fname_base)) {
00168 int directory = strchr(fname_base, '/') ? 1 : 0;
00169 const char *absolute = *fname_base == '/' ? "" : ast_config_AST_MONITOR_DIR;
00170 const char *absolute_suffix = *fname_base == '/' ? "" : "/";
00171
00172 snprintf(monitor->read_filename, FILENAME_MAX, "%s%s%s-in",
00173 absolute, absolute_suffix, fname_base);
00174 snprintf(monitor->write_filename, FILENAME_MAX, "%s%s%s-out",
00175 absolute, absolute_suffix, fname_base);
00176 snprintf(monitor->filename_base, FILENAME_MAX, "%s%s%s",
00177 absolute, absolute_suffix, fname_base);
00178
00179
00180 if (directory) {
00181 char *name = ast_strdupa(monitor->filename_base);
00182 ast_mkdir(dirname(name), 0777);
00183 }
00184 } else {
00185 ast_mutex_lock(&monitorlock);
00186 snprintf(monitor->read_filename, FILENAME_MAX, "%s/audio-in-%ld",
00187 ast_config_AST_MONITOR_DIR, seq);
00188 snprintf(monitor->write_filename, FILENAME_MAX, "%s/audio-out-%ld",
00189 ast_config_AST_MONITOR_DIR, seq);
00190 seq++;
00191 ast_mutex_unlock(&monitorlock);
00192
00193 channel_name = ast_strdupa(chan->name);
00194 while ((p = strchr(channel_name, '/'))) {
00195 *p = '-';
00196 }
00197 snprintf(monitor->filename_base, FILENAME_MAX, "%s/%d-%s",
00198 ast_config_AST_MONITOR_DIR, (int)time(NULL), channel_name);
00199 monitor->filename_changed = 1;
00200 }
00201
00202 monitor->stop = ast_monitor_stop;
00203
00204
00205 if (!ast_strlen_zero(format_spec)) {
00206 monitor->format = ast_strdup(format_spec);
00207 } else {
00208 monitor->format = ast_strdup("wav");
00209 }
00210
00211
00212 if (stream_action & X_REC_IN) {
00213 if (ast_fileexists(monitor->read_filename, NULL, NULL) > 0)
00214 ast_filedelete(monitor->read_filename, NULL);
00215 if (!(monitor->read_stream = ast_writefile(monitor->read_filename,
00216 monitor->format, NULL,
00217 O_CREAT|O_TRUNC|O_WRONLY, 0, AST_FILE_MODE))) {
00218 ast_log(LOG_WARNING, "Could not create file %s\n",
00219 monitor->read_filename);
00220 ast_free(monitor);
00221 UNLOCK_IF_NEEDED(chan, need_lock);
00222 return -1;
00223 }
00224 } else
00225 monitor->read_stream = NULL;
00226
00227 if (stream_action & X_REC_OUT) {
00228 if (ast_fileexists(monitor->write_filename, NULL, NULL) > 0) {
00229 ast_filedelete(monitor->write_filename, NULL);
00230 }
00231 if (!(monitor->write_stream = ast_writefile(monitor->write_filename,
00232 monitor->format, NULL,
00233 O_CREAT|O_TRUNC|O_WRONLY, 0, AST_FILE_MODE))) {
00234 ast_log(LOG_WARNING, "Could not create file %s\n",
00235 monitor->write_filename);
00236 ast_closestream(monitor->read_stream);
00237 ast_free(monitor);
00238 UNLOCK_IF_NEEDED(chan, need_lock);
00239 return -1;
00240 }
00241 } else
00242 monitor->write_stream = NULL;
00243
00244 chan->monitor = monitor;
00245 ast_monitor_set_state(chan, AST_MONITOR_RUNNING);
00246
00247 pbx_builtin_setvar_helper(chan, "__MONITORED","true");
00248
00249 manager_event(EVENT_FLAG_CALL, "MonitorStart",
00250 "Channel: %s\r\n"
00251 "Uniqueid: %s\r\n",
00252 chan->name,
00253 chan->uniqueid
00254 );
00255 } else {
00256 ast_debug(1,"Cannot start monitoring %s, already monitored\n", chan->name);
00257 res = -1;
00258 }
00259
00260 UNLOCK_IF_NEEDED(chan, need_lock);
00261
00262 return res;
00263 }
00264
00265
00266
00267
00268
00269
00270
00271
00272 static const char *get_soxmix_format(const char *format)
00273 {
00274 const char *res = format;
00275
00276 if (!strcasecmp(format,"ulaw"))
00277 res = "ul";
00278 if (!strcasecmp(format,"alaw"))
00279 res = "al";
00280
00281 return res;
00282 }
00283
00284
00285
00286
00287
00288
00289
00290
00291 int ast_monitor_stop(struct ast_channel *chan, int need_lock)
00292 {
00293 int delfiles = 0;
00294
00295 LOCK_IF_NEEDED(chan, need_lock);
00296
00297 if (chan->monitor) {
00298 char filename[ FILENAME_MAX ];
00299
00300 if (chan->monitor->read_stream) {
00301 ast_closestream(chan->monitor->read_stream);
00302 }
00303 if (chan->monitor->write_stream) {
00304 ast_closestream(chan->monitor->write_stream);
00305 }
00306
00307 if (chan->monitor->filename_changed && !ast_strlen_zero(chan->monitor->filename_base)) {
00308 if (ast_fileexists(chan->monitor->read_filename,NULL,NULL) > 0) {
00309 snprintf(filename, FILENAME_MAX, "%s-in", chan->monitor->filename_base);
00310 if (ast_fileexists(filename, NULL, NULL) > 0) {
00311 ast_filedelete(filename, NULL);
00312 }
00313 ast_filerename(chan->monitor->read_filename, filename, chan->monitor->format);
00314 } else {
00315 ast_log(LOG_WARNING, "File %s not found\n", chan->monitor->read_filename);
00316 }
00317
00318 if (ast_fileexists(chan->monitor->write_filename,NULL,NULL) > 0) {
00319 snprintf(filename, FILENAME_MAX, "%s-out", chan->monitor->filename_base);
00320 if (ast_fileexists(filename, NULL, NULL) > 0) {
00321 ast_filedelete(filename, NULL);
00322 }
00323 ast_filerename(chan->monitor->write_filename, filename, chan->monitor->format);
00324 } else {
00325 ast_log(LOG_WARNING, "File %s not found\n", chan->monitor->write_filename);
00326 }
00327 }
00328
00329 if (chan->monitor->joinfiles && !ast_strlen_zero(chan->monitor->filename_base)) {
00330 char tmp[1024];
00331 char tmp2[1024];
00332 const char *format = !strcasecmp(chan->monitor->format,"wav49") ? "WAV" : chan->monitor->format;
00333 char *fname_base = chan->monitor->filename_base;
00334 const char *execute, *execute_args;
00335
00336
00337
00338 execute = pbx_builtin_getvar_helper(chan, "MONITOR_EXEC");
00339 if (ast_strlen_zero(execute)) {
00340 #ifdef HAVE_SOXMIX
00341 execute = "nice -n 19 soxmix";
00342 #else
00343 execute = "nice -n 19 sox -m";
00344 #endif
00345 format = get_soxmix_format(format);
00346 delfiles = 1;
00347 }
00348 execute_args = pbx_builtin_getvar_helper(chan, "MONITOR_EXEC_ARGS");
00349 if (ast_strlen_zero(execute_args)) {
00350 execute_args = "";
00351 }
00352
00353 snprintf(tmp, sizeof(tmp), "%s \"%s-in.%s\" \"%s-out.%s\" \"%s.%s\" %s &",
00354 execute, fname_base, format, fname_base, format, fname_base, format,execute_args);
00355 if (delfiles) {
00356 snprintf(tmp2,sizeof(tmp2), "( %s& rm -f \"%s-\"* ) &",tmp, fname_base);
00357 ast_copy_string(tmp, tmp2, sizeof(tmp));
00358 }
00359 ast_debug(1,"monitor executing %s\n",tmp);
00360 if (ast_safe_system(tmp) == -1)
00361 ast_log(LOG_WARNING, "Execute of %s failed.\n",tmp);
00362 }
00363
00364 ast_free(chan->monitor->format);
00365 ast_free(chan->monitor);
00366 chan->monitor = NULL;
00367
00368 manager_event(EVENT_FLAG_CALL, "MonitorStop",
00369 "Channel: %s\r\n"
00370 "Uniqueid: %s\r\n",
00371 chan->name,
00372 chan->uniqueid
00373 );
00374 pbx_builtin_setvar_helper(chan, "MONITORED", NULL);
00375 }
00376 pbx_builtin_setvar_helper(chan, "AUTO_MONITOR", NULL);
00377
00378 UNLOCK_IF_NEEDED(chan, need_lock);
00379
00380 return 0;
00381 }
00382
00383
00384
00385 int ast_monitor_pause(struct ast_channel *chan)
00386 {
00387 return ast_monitor_set_state(chan, AST_MONITOR_PAUSED);
00388 }
00389
00390
00391 int ast_monitor_unpause(struct ast_channel *chan)
00392 {
00393 return ast_monitor_set_state(chan, AST_MONITOR_RUNNING);
00394 }
00395
00396
00397 static int pause_monitor_exec(struct ast_channel *chan, void *data)
00398 {
00399 return ast_monitor_pause(chan);
00400 }
00401
00402
00403 static int unpause_monitor_exec(struct ast_channel *chan, void *data)
00404 {
00405 return ast_monitor_unpause(chan);
00406 }
00407
00408
00409
00410
00411
00412
00413
00414
00415
00416 int ast_monitor_change_fname(struct ast_channel *chan, const char *fname_base, int need_lock)
00417 {
00418 if (ast_strlen_zero(fname_base)) {
00419 ast_log(LOG_WARNING, "Cannot change monitor filename of channel %s to null\n", chan->name);
00420 return -1;
00421 }
00422
00423 LOCK_IF_NEEDED(chan, need_lock);
00424
00425 if (chan->monitor) {
00426 int directory = strchr(fname_base, '/') ? 1 : 0;
00427 const char *absolute = *fname_base == '/' ? "" : ast_config_AST_MONITOR_DIR;
00428 const char *absolute_suffix = *fname_base == '/' ? "" : "/";
00429 char tmpstring[sizeof(chan->monitor->filename_base)] = "";
00430 int i, fd[2] = { -1, -1 }, doexit = 0;
00431
00432
00433 snprintf(tmpstring, sizeof(tmpstring), "%s%s%s", absolute, absolute_suffix, fname_base);
00434
00435
00436 if (directory) {
00437 char *name = ast_strdupa(tmpstring);
00438 ast_mkdir(dirname(name), 0777);
00439 }
00440
00441
00442
00443
00444
00445
00446
00447
00448
00449
00450
00451
00452 ast_debug(2, "comparing tmpstring %s to filename_base %s\n", tmpstring, chan->monitor->filename_base);
00453
00454 if ((fd[0] = open(tmpstring, O_CREAT | O_WRONLY, 0644)) < 0 ||
00455 (fd[1] = open(chan->monitor->filename_base, O_CREAT | O_EXCL | O_WRONLY, 0644)) < 0) {
00456 if (fd[0] < 0) {
00457 ast_log(LOG_ERROR, "Unable to compare filenames: %s\n", strerror(errno));
00458 } else {
00459 ast_debug(2, "No need to rename monitor filename to itself\n");
00460 }
00461 doexit = 1;
00462 }
00463
00464
00465 for (i = 0; i < 2; i++) {
00466 if (fd[i] >= 0) {
00467 while (close(fd[i]) < 0 && errno == EINTR);
00468 }
00469 }
00470 unlink(tmpstring);
00471
00472 unlink(chan->monitor->filename_base);
00473
00474 if (doexit) {
00475 UNLOCK_IF_NEEDED(chan, need_lock);
00476 return 0;
00477 }
00478
00479 ast_copy_string(chan->monitor->filename_base, tmpstring, sizeof(chan->monitor->filename_base));
00480 chan->monitor->filename_changed = 1;
00481 } else {
00482 ast_log(LOG_WARNING, "Cannot change monitor filename of channel %s to %s, monitoring not started\n", chan->name, fname_base);
00483 }
00484
00485 UNLOCK_IF_NEEDED(chan, need_lock);
00486
00487 return 0;
00488 }
00489
00490
00491
00492
00493
00494
00495
00496
00497
00498 static int start_monitor_exec(struct ast_channel *chan, void *data)
00499 {
00500 char *arg = NULL;
00501 char *options = NULL;
00502 char *delay = NULL;
00503 char *urlprefix = NULL;
00504 char tmp[256];
00505 int stream_action = X_REC_IN | X_REC_OUT;
00506 int joinfiles = 0;
00507 int waitforbridge = 0;
00508 int res = 0;
00509 char *parse;
00510 AST_DECLARE_APP_ARGS(args,
00511 AST_APP_ARG(format);
00512 AST_APP_ARG(fname_base);
00513 AST_APP_ARG(options);
00514 );
00515
00516
00517 if (ast_strlen_zero((char*)data)) {
00518 ast_log(LOG_ERROR, "Monitor requires an argument\n");
00519 return 0;
00520 }
00521
00522 parse = ast_strdupa((char*)data);
00523 AST_STANDARD_APP_ARGS(args, parse);
00524
00525 if (!ast_strlen_zero(args.options)) {
00526 if (strchr(args.options, 'm'))
00527 stream_action |= X_JOIN;
00528 if (strchr(args.options, 'b'))
00529 waitforbridge = 1;
00530 if (strchr(args.options, 'i'))
00531 stream_action &= ~X_REC_IN;
00532 if (strchr(args.options, 'o'))
00533 stream_action &= ~X_REC_OUT;
00534 }
00535
00536 arg = strchr(args.format, ':');
00537 if (arg) {
00538 *arg++ = 0;
00539 urlprefix = arg;
00540 }
00541
00542 if (urlprefix) {
00543 snprintf(tmp, sizeof(tmp), "%s/%s.%s", urlprefix, args.fname_base,
00544 ((strcmp(args.format, "gsm")) ? "wav" : "gsm"));
00545 if (!chan->cdr && !(chan->cdr = ast_cdr_alloc()))
00546 return -1;
00547 ast_cdr_setuserfield(chan, tmp);
00548 }
00549 if (waitforbridge) {
00550
00551
00552
00553
00554 delay = ast_strdupa(data);
00555 options = strrchr(delay, ',');
00556 if (options) {
00557 arg = strchr(options, 'b');
00558 if (arg) {
00559 *arg = 'X';
00560 pbx_builtin_setvar_helper(chan,"AUTO_MONITOR", delay);
00561 }
00562 }
00563 return 0;
00564 }
00565
00566 res = ast_monitor_start(chan, args.format, args.fname_base, 1, stream_action);
00567 if (res < 0)
00568 res = ast_monitor_change_fname(chan, args.fname_base, 1);
00569
00570 if (stream_action & X_JOIN) {
00571 if ((stream_action & X_REC_IN) && (stream_action & X_REC_OUT))
00572 joinfiles = 1;
00573 else
00574 ast_log(LOG_WARNING, "Won't mix streams unless both input and output streams are recorded\n");
00575 }
00576 ast_monitor_setjoinfiles(chan, joinfiles);
00577
00578 return res;
00579 }
00580
00581
00582 static int stop_monitor_exec(struct ast_channel *chan, void *data)
00583 {
00584 return ast_monitor_stop(chan, 1);
00585 }
00586
00587
00588 static int change_monitor_exec(struct ast_channel *chan, void *data)
00589 {
00590 return ast_monitor_change_fname(chan, (const char*)data, 1);
00591 }
00592
00593 static char start_monitor_action_help[] =
00594 "Description: The 'Monitor' action may be used to record the audio on a\n"
00595 " specified channel. The following parameters may be used to control\n"
00596 " this:\n"
00597 " Channel - Required. Used to specify the channel to record.\n"
00598 " File - Optional. Is the name of the file created in the\n"
00599 " monitor spool directory. Defaults to the same name\n"
00600 " as the channel (with slashes replaced with dashes).\n"
00601 " Format - Optional. Is the audio recording format. Defaults\n"
00602 " to \"wav\".\n"
00603 " Mix - Optional. Boolean parameter as to whether to mix\n"
00604 " the input and output channels together after the\n"
00605 " recording is finished.\n";
00606
00607
00608 static int start_monitor_action(struct mansession *s, const struct message *m)
00609 {
00610 struct ast_channel *c = NULL;
00611 const char *name = astman_get_header(m, "Channel");
00612 const char *fname = astman_get_header(m, "File");
00613 const char *format = astman_get_header(m, "Format");
00614 const char *mix = astman_get_header(m, "Mix");
00615 char *d;
00616
00617 if (ast_strlen_zero(name)) {
00618 astman_send_error(s, m, "No channel specified");
00619 return 0;
00620 }
00621 c = ast_get_channel_by_name_locked(name);
00622 if (!c) {
00623 astman_send_error(s, m, "No such channel");
00624 return 0;
00625 }
00626
00627 if (ast_strlen_zero(fname)) {
00628
00629 fname = ast_strdupa(c->name);
00630
00631 if ((d = strchr(fname, '/')))
00632 *d = '-';
00633 }
00634
00635 if (ast_monitor_start(c, format, fname, 1, X_REC_IN | X_REC_OUT)) {
00636 if (ast_monitor_change_fname(c, fname, 1)) {
00637 astman_send_error(s, m, "Could not start monitoring channel");
00638 ast_channel_unlock(c);
00639 return 0;
00640 }
00641 }
00642
00643 if (ast_true(mix)) {
00644 ast_monitor_setjoinfiles(c, 1);
00645 }
00646
00647 ast_channel_unlock(c);
00648 astman_send_ack(s, m, "Started monitoring channel");
00649 return 0;
00650 }
00651
00652 static char stop_monitor_action_help[] =
00653 "Description: The 'StopMonitor' action may be used to end a previously\n"
00654 " started 'Monitor' action. The only parameter is 'Channel', the name\n"
00655 " of the channel monitored.\n";
00656
00657
00658 static int stop_monitor_action(struct mansession *s, const struct message *m)
00659 {
00660 struct ast_channel *c = NULL;
00661 const char *name = astman_get_header(m, "Channel");
00662 int res;
00663 if (ast_strlen_zero(name)) {
00664 astman_send_error(s, m, "No channel specified");
00665 return 0;
00666 }
00667 c = ast_get_channel_by_name_locked(name);
00668 if (!c) {
00669 astman_send_error(s, m, "No such channel");
00670 return 0;
00671 }
00672 res = ast_monitor_stop(c, 1);
00673 ast_channel_unlock(c);
00674 if (res) {
00675 astman_send_error(s, m, "Could not stop monitoring channel");
00676 return 0;
00677 }
00678 astman_send_ack(s, m, "Stopped monitoring channel");
00679 return 0;
00680 }
00681
00682 static char change_monitor_action_help[] =
00683 "Description: The 'ChangeMonitor' action may be used to change the file\n"
00684 " started by a previous 'Monitor' action. The following parameters may\n"
00685 " be used to control this:\n"
00686 " Channel - Required. Used to specify the channel to record.\n"
00687 " File - Required. Is the new name of the file created in the\n"
00688 " monitor spool directory.\n";
00689
00690
00691 static int change_monitor_action(struct mansession *s, const struct message *m)
00692 {
00693 struct ast_channel *c = NULL;
00694 const char *name = astman_get_header(m, "Channel");
00695 const char *fname = astman_get_header(m, "File");
00696 if (ast_strlen_zero(name)) {
00697 astman_send_error(s, m, "No channel specified");
00698 return 0;
00699 }
00700 if (ast_strlen_zero(fname)) {
00701 astman_send_error(s, m, "No filename specified");
00702 return 0;
00703 }
00704 c = ast_get_channel_by_name_locked(name);
00705 if (!c) {
00706 astman_send_error(s, m, "No such channel");
00707 return 0;
00708 }
00709 if (ast_monitor_change_fname(c, fname, 1)) {
00710 astman_send_error(s, m, "Could not change monitored filename of channel");
00711 ast_channel_unlock(c);
00712 return 0;
00713 }
00714 ast_channel_unlock(c);
00715 astman_send_ack(s, m, "Changed monitor filename");
00716 return 0;
00717 }
00718
00719 void ast_monitor_setjoinfiles(struct ast_channel *chan, int turnon)
00720 {
00721 if (chan->monitor)
00722 chan->monitor->joinfiles = turnon;
00723 }
00724
00725 enum MONITOR_PAUSING_ACTION
00726 {
00727 MONITOR_ACTION_PAUSE,
00728 MONITOR_ACTION_UNPAUSE
00729 };
00730
00731 static int do_pause_or_unpause(struct mansession *s, const struct message *m, int action)
00732 {
00733 struct ast_channel *c = NULL;
00734 const char *name = astman_get_header(m, "Channel");
00735
00736 if (ast_strlen_zero(name)) {
00737 astman_send_error(s, m, "No channel specified");
00738 return -1;
00739 }
00740
00741 c = ast_get_channel_by_name_locked(name);
00742 if (!c) {
00743 astman_send_error(s, m, "No such channel");
00744 return -1;
00745 }
00746
00747 if (action == MONITOR_ACTION_PAUSE)
00748 ast_monitor_pause(c);
00749 else
00750 ast_monitor_unpause(c);
00751
00752 ast_channel_unlock(c);
00753 astman_send_ack(s, m, (action == MONITOR_ACTION_PAUSE ? "Paused monitoring of the channel" : "Unpaused monitoring of the channel"));
00754 return 0;
00755 }
00756
00757 static char pause_monitor_action_help[] =
00758 "Description: The 'PauseMonitor' action may be used to temporarily stop the\n"
00759 " recording of a channel. The following parameters may\n"
00760 " be used to control this:\n"
00761 " Channel - Required. Used to specify the channel to record.\n";
00762
00763 static int pause_monitor_action(struct mansession *s, const struct message *m)
00764 {
00765 return do_pause_or_unpause(s, m, MONITOR_ACTION_PAUSE);
00766 }
00767
00768 static char unpause_monitor_action_help[] =
00769 "Description: The 'UnpauseMonitor' action may be used to re-enable recording\n"
00770 " of a channel after calling PauseMonitor. The following parameters may\n"
00771 " be used to control this:\n"
00772 " Channel - Required. Used to specify the channel to record.\n";
00773
00774 static int unpause_monitor_action(struct mansession *s, const struct message *m)
00775 {
00776 return do_pause_or_unpause(s, m, MONITOR_ACTION_UNPAUSE);
00777 }
00778
00779
00780 static int load_module(void)
00781 {
00782 ast_register_application("Monitor", start_monitor_exec, monitor_synopsis, monitor_descrip);
00783 ast_register_application("StopMonitor", stop_monitor_exec, stopmonitor_synopsis, stopmonitor_descrip);
00784 ast_register_application("ChangeMonitor", change_monitor_exec, changemonitor_synopsis, changemonitor_descrip);
00785 ast_register_application("PauseMonitor", pause_monitor_exec, pausemonitor_synopsis, pausemonitor_descrip);
00786 ast_register_application("UnpauseMonitor", unpause_monitor_exec, unpausemonitor_synopsis, unpausemonitor_descrip);
00787 ast_manager_register2("Monitor", EVENT_FLAG_CALL, start_monitor_action, monitor_synopsis, start_monitor_action_help);
00788 ast_manager_register2("StopMonitor", EVENT_FLAG_CALL, stop_monitor_action, stopmonitor_synopsis, stop_monitor_action_help);
00789 ast_manager_register2("ChangeMonitor", EVENT_FLAG_CALL, change_monitor_action, changemonitor_synopsis, change_monitor_action_help);
00790 ast_manager_register2("PauseMonitor", EVENT_FLAG_CALL, pause_monitor_action, pausemonitor_synopsis, pause_monitor_action_help);
00791 ast_manager_register2("UnpauseMonitor", EVENT_FLAG_CALL, unpause_monitor_action, unpausemonitor_synopsis, unpause_monitor_action_help);
00792
00793 return AST_MODULE_LOAD_SUCCESS;
00794 }
00795
00796 static int unload_module(void)
00797 {
00798 ast_unregister_application("Monitor");
00799 ast_unregister_application("StopMonitor");
00800 ast_unregister_application("ChangeMonitor");
00801 ast_unregister_application("PauseMonitor");
00802 ast_unregister_application("UnpauseMonitor");
00803 ast_manager_unregister("Monitor");
00804 ast_manager_unregister("StopMonitor");
00805 ast_manager_unregister("ChangeMonitor");
00806 ast_manager_unregister("PauseMonitor");
00807 ast_manager_unregister("UnpauseMonitor");
00808
00809 return 0;
00810 }
00811
00812
00813 AST_MODULE_INFO(ASTERISK_GPL_KEY, AST_MODFLAG_GLOBAL_SYMBOLS, "Call Monitoring Resource",
00814 .load = load_module,
00815 .unload = unload_module,
00816 );