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00026 #include "asterisk.h"
00027
00028 ASTERISK_FILE_VERSION(__FILE__, "$Revision: 258775 $")
00029
00030 #include <stdio.h>
00031 #include <stdlib.h>
00032 #include <errno.h>
00033 #include <string.h>
00034 #include <sys/types.h>
00035 #include <sys/stat.h>
00036 #include <libgen.h>
00037
00038 #include "asterisk/lock.h"
00039 #include "asterisk/channel.h"
00040 #include "asterisk/logger.h"
00041 #include "asterisk/file.h"
00042 #include "asterisk/pbx.h"
00043 #include "asterisk/module.h"
00044 #include "asterisk/manager.h"
00045 #include "asterisk/cli.h"
00046 #include "asterisk/monitor.h"
00047 #include "asterisk/app.h"
00048 #include "asterisk/utils.h"
00049 #include "asterisk/config.h"
00050 #include "asterisk/options.h"
00051
00052 AST_MUTEX_DEFINE_STATIC(monitorlock);
00053
00054 #define LOCK_IF_NEEDED(lock, needed) do { \
00055 if (needed) \
00056 ast_channel_lock(lock); \
00057 } while(0)
00058
00059 #define UNLOCK_IF_NEEDED(lock, needed) do { \
00060 if (needed) \
00061 ast_channel_unlock(lock); \
00062 } while (0)
00063
00064 static unsigned long seq = 0;
00065
00066 static char *monitor_synopsis = "Monitor a channel";
00067
00068 static char *monitor_descrip = "Monitor([file_format[:urlbase]|[fname_base]|[options]]):\n"
00069 "Used to start monitoring a channel. The channel's input and output\n"
00070 "voice packets are logged to files until the channel hangs up or\n"
00071 "monitoring is stopped by the StopMonitor application.\n"
00072 " file_format optional, if not set, defaults to \"wav\"\n"
00073 " fname_base if set, changes the filename used to the one specified.\n"
00074 " options:\n"
00075 " m - when the recording ends mix the two leg files into one and\n"
00076 " delete the two leg files. If the variable MONITOR_EXEC is set, the\n"
00077 " application referenced in it will be executed instead of\n"
00078 #ifdef HAVE_SOXMIX
00079 " soxmix and the raw leg files will NOT be deleted automatically.\n"
00080 " soxmix or MONITOR_EXEC is handed 3 arguments, the two leg files\n"
00081 #else
00082 " sox and the raw leg files will NOT be deleted automatically.\n"
00083 " sox or MONITOR_EXEC is handed 3 arguments, the two leg files\n"
00084 #endif
00085 " and a target mixed file name which is the same as the leg file names\n"
00086 " only without the in/out designator.\n"
00087 " If MONITOR_EXEC_ARGS is set, the contents will be passed on as\n"
00088 " additional arguements to MONITOR_EXEC\n"
00089 " Both MONITOR_EXEC and the Mix flag can be set from the\n"
00090 " administrator interface\n"
00091 "\n"
00092 " b - Don't begin recording unless a call is bridged to another channel\n"
00093 "\nReturns -1 if monitor files can't be opened or if the channel is already\n"
00094 "monitored, otherwise 0.\n"
00095 ;
00096
00097 static char *stopmonitor_synopsis = "Stop monitoring a channel";
00098
00099 static char *stopmonitor_descrip = "StopMonitor\n"
00100 "Stops monitoring a channel. Has no effect if the channel is not monitored\n";
00101
00102 static char *changemonitor_synopsis = "Change monitoring filename of a channel";
00103
00104 static char *changemonitor_descrip = "ChangeMonitor(filename_base)\n"
00105 "Changes monitoring filename of a channel. Has no effect if the channel is not monitored\n"
00106 "The argument is the new filename base to use for monitoring this channel.\n";
00107
00108 static char *pausemonitor_synopsis = "Pause monitoring of a channel";
00109
00110 static char *pausemonitor_descrip = "PauseMonitor\n"
00111 "Pauses monitoring of a channel until it is re-enabled by a call to UnpauseMonitor.\n";
00112
00113 static char *unpausemonitor_synopsis = "Unpause monitoring of a channel";
00114
00115 static char *unpausemonitor_descrip = "UnpauseMonitor\n"
00116 "Unpauses monitoring of a channel on which monitoring had\n"
00117 "previously been paused with PauseMonitor.\n";
00118
00119 static int ast_monitor_set_state(struct ast_channel *chan, int state)
00120 {
00121 LOCK_IF_NEEDED(chan, 1);
00122 if (!chan->monitor) {
00123 UNLOCK_IF_NEEDED(chan, 1);
00124 return -1;
00125 }
00126 chan->monitor->state = state;
00127 UNLOCK_IF_NEEDED(chan, 1);
00128 return 0;
00129 }
00130
00131
00132 int ast_monitor_start( struct ast_channel *chan, const char *format_spec,
00133 const char *fname_base, int need_lock)
00134 {
00135 int res = 0;
00136 char tmp[256];
00137
00138 LOCK_IF_NEEDED(chan, need_lock);
00139
00140 if (!(chan->monitor)) {
00141 struct ast_channel_monitor *monitor;
00142 char *channel_name, *p;
00143
00144
00145 if (mkdir(ast_config_AST_MONITOR_DIR, 0770) < 0) {
00146 if (errno != EEXIST) {
00147 ast_log(LOG_WARNING, "Unable to create audio monitor directory: %s\n",
00148 strerror(errno));
00149 }
00150 }
00151
00152 if (!(monitor = ast_calloc(1, sizeof(*monitor)))) {
00153 UNLOCK_IF_NEEDED(chan, need_lock);
00154 return -1;
00155 }
00156
00157
00158 if (!ast_strlen_zero(fname_base)) {
00159 int directory = strchr(fname_base, '/') ? 1 : 0;
00160 const char *absolute = *fname_base == '/' ? "" : ast_config_AST_MONITOR_DIR;
00161 const char *absolute_suffix = *fname_base == '/' ? "" : "/";
00162
00163 if (directory) {
00164 char *name = strdup(fname_base);
00165 snprintf(tmp, sizeof(tmp), "mkdir -p \"%s%s%s\"",
00166 absolute, absolute_suffix, dirname(name));
00167 free(name);
00168 ast_safe_system(tmp);
00169 }
00170 snprintf(monitor->read_filename, FILENAME_MAX, "%s%s%s-in",
00171 absolute, absolute_suffix, fname_base);
00172 snprintf(monitor->write_filename, FILENAME_MAX, "%s%s%s-out",
00173 absolute, absolute_suffix, fname_base);
00174 snprintf(monitor->filename_base, FILENAME_MAX, "%s%s%s",
00175 absolute, absolute_suffix, fname_base);
00176 } else {
00177 ast_mutex_lock(&monitorlock);
00178 snprintf(monitor->read_filename, FILENAME_MAX, "%s/audio-in-%ld",
00179 ast_config_AST_MONITOR_DIR, seq);
00180 snprintf(monitor->write_filename, FILENAME_MAX, "%s/audio-out-%ld",
00181 ast_config_AST_MONITOR_DIR, seq);
00182 seq++;
00183 ast_mutex_unlock(&monitorlock);
00184
00185 channel_name = ast_strdupa(chan->name);
00186 while ((p = strchr(channel_name, '/'))) {
00187 *p = '-';
00188 }
00189 snprintf(monitor->filename_base, FILENAME_MAX, "%s/%d-%s",
00190 ast_config_AST_MONITOR_DIR, (int)time(NULL), channel_name);
00191 monitor->filename_changed = 1;
00192 }
00193
00194 monitor->stop = ast_monitor_stop;
00195
00196
00197 if (!ast_strlen_zero(format_spec)) {
00198 monitor->format = strdup(format_spec);
00199 } else {
00200 monitor->format = strdup("wav");
00201 }
00202
00203
00204 if (ast_fileexists(monitor->read_filename, NULL, NULL) > 0) {
00205 ast_filedelete(monitor->read_filename, NULL);
00206 }
00207 if (!(monitor->read_stream = ast_writefile(monitor->read_filename,
00208 monitor->format, NULL,
00209 O_CREAT|O_TRUNC|O_WRONLY, 0, 0644))) {
00210 ast_log(LOG_WARNING, "Could not create file %s\n",
00211 monitor->read_filename);
00212 free(monitor);
00213 UNLOCK_IF_NEEDED(chan, need_lock);
00214 return -1;
00215 }
00216 if (ast_fileexists(monitor->write_filename, NULL, NULL) > 0) {
00217 ast_filedelete(monitor->write_filename, NULL);
00218 }
00219 if (!(monitor->write_stream = ast_writefile(monitor->write_filename,
00220 monitor->format, NULL,
00221 O_CREAT|O_TRUNC|O_WRONLY, 0, 0644))) {
00222 ast_log(LOG_WARNING, "Could not create file %s\n",
00223 monitor->write_filename);
00224 ast_closestream(monitor->read_stream);
00225 free(monitor);
00226 UNLOCK_IF_NEEDED(chan, need_lock);
00227 return -1;
00228 }
00229 chan->monitor = monitor;
00230 ast_monitor_set_state(chan, AST_MONITOR_RUNNING);
00231
00232 pbx_builtin_setvar_helper(chan, "__MONITORED","true");
00233 } else {
00234 ast_log(LOG_DEBUG,"Cannot start monitoring %s, already monitored\n",
00235 chan->name);
00236 res = -1;
00237 }
00238
00239 UNLOCK_IF_NEEDED(chan, need_lock);
00240
00241 return res;
00242 }
00243
00244
00245
00246
00247
00248
00249 static const char *get_soxmix_format(const char *format)
00250 {
00251 const char *res = format;
00252
00253 if (!strcasecmp(format,"ulaw"))
00254 res = "ul";
00255 if (!strcasecmp(format,"alaw"))
00256 res = "al";
00257
00258 return res;
00259 }
00260
00261
00262 int ast_monitor_stop(struct ast_channel *chan, int need_lock)
00263 {
00264 int delfiles = 0;
00265
00266 LOCK_IF_NEEDED(chan, need_lock);
00267
00268 if (chan->monitor) {
00269 char filename[ FILENAME_MAX ];
00270
00271 if (chan->monitor->read_stream) {
00272 ast_closestream(chan->monitor->read_stream);
00273 }
00274 if (chan->monitor->write_stream) {
00275 ast_closestream(chan->monitor->write_stream);
00276 }
00277
00278 if (chan->monitor->filename_changed && !ast_strlen_zero(chan->monitor->filename_base)) {
00279 if (ast_fileexists(chan->monitor->read_filename,NULL,NULL) > 0) {
00280 snprintf(filename, FILENAME_MAX, "%s-in", chan->monitor->filename_base);
00281 if (ast_fileexists(filename, NULL, NULL) > 0) {
00282 ast_filedelete(filename, NULL);
00283 }
00284 ast_filerename(chan->monitor->read_filename, filename, chan->monitor->format);
00285 } else {
00286 ast_log(LOG_WARNING, "File %s not found\n", chan->monitor->read_filename);
00287 }
00288
00289 if (ast_fileexists(chan->monitor->write_filename,NULL,NULL) > 0) {
00290 snprintf(filename, FILENAME_MAX, "%s-out", chan->monitor->filename_base);
00291 if (ast_fileexists(filename, NULL, NULL) > 0) {
00292 ast_filedelete(filename, NULL);
00293 }
00294 ast_filerename(chan->monitor->write_filename, filename, chan->monitor->format);
00295 } else {
00296 ast_log(LOG_WARNING, "File %s not found\n", chan->monitor->write_filename);
00297 }
00298 }
00299
00300 if (chan->monitor->joinfiles && !ast_strlen_zero(chan->monitor->filename_base)) {
00301 char tmp[1024];
00302 char tmp2[1024];
00303 const char *format = !strcasecmp(chan->monitor->format,"wav49") ? "WAV" : chan->monitor->format;
00304 char *fname_base = chan->monitor->filename_base;
00305 const char *execute, *execute_args;
00306
00307
00308
00309 execute = pbx_builtin_getvar_helper(chan, "MONITOR_EXEC");
00310 if (ast_strlen_zero(execute)) {
00311 #ifdef HAVE_SOXMIX
00312 execute = "nice -n 19 soxmix";
00313 #else
00314 execute = "nice -n 19 sox -m";
00315 #endif
00316 format = get_soxmix_format(format);
00317 delfiles = 1;
00318 }
00319 execute_args = pbx_builtin_getvar_helper(chan, "MONITOR_EXEC_ARGS");
00320 if (ast_strlen_zero(execute_args)) {
00321 execute_args = "";
00322 }
00323
00324 snprintf(tmp, sizeof(tmp), "%s \"%s-in.%s\" \"%s-out.%s\" \"%s.%s\" %s &",
00325 execute, fname_base, format, fname_base, format, fname_base, format,execute_args);
00326 if (delfiles) {
00327 snprintf(tmp2,sizeof(tmp2), "( %s& rm -f \"%s-\"* ) &",tmp, fname_base);
00328 ast_copy_string(tmp, tmp2, sizeof(tmp));
00329 }
00330 ast_log(LOG_DEBUG,"monitor executing %s\n",tmp);
00331 if (ast_safe_system(tmp) == -1)
00332 ast_log(LOG_WARNING, "Execute of %s failed.\n",tmp);
00333 }
00334
00335 free(chan->monitor->format);
00336 free(chan->monitor);
00337 chan->monitor = NULL;
00338 pbx_builtin_setvar_helper(chan, "MONITORED", NULL);
00339 }
00340 pbx_builtin_setvar_helper(chan, "AUTO_MONITOR", NULL);
00341
00342 UNLOCK_IF_NEEDED(chan, need_lock);
00343
00344 return 0;
00345 }
00346
00347
00348
00349 int ast_monitor_pause(struct ast_channel *chan)
00350 {
00351 return ast_monitor_set_state(chan, AST_MONITOR_PAUSED);
00352 }
00353
00354
00355 int ast_monitor_unpause(struct ast_channel *chan)
00356 {
00357 return ast_monitor_set_state(chan, AST_MONITOR_RUNNING);
00358 }
00359
00360 static int pause_monitor_exec(struct ast_channel *chan, void *data)
00361 {
00362 return ast_monitor_pause(chan);
00363 }
00364
00365 static int unpause_monitor_exec(struct ast_channel *chan, void *data)
00366 {
00367 return ast_monitor_unpause(chan);
00368 }
00369
00370
00371 int ast_monitor_change_fname(struct ast_channel *chan, const char *fname_base, int need_lock)
00372 {
00373 char tmp[256];
00374 if (ast_strlen_zero(fname_base)) {
00375 ast_log(LOG_WARNING, "Cannot change monitor filename of channel %s to null\n", chan->name);
00376 return -1;
00377 }
00378
00379 LOCK_IF_NEEDED(chan, need_lock);
00380
00381 if (chan->monitor) {
00382 int directory = strchr(fname_base, '/') ? 1 : 0;
00383 const char *absolute = *fname_base == '/' ? "" : ast_config_AST_MONITOR_DIR;
00384 const char *absolute_suffix = *fname_base == '/' ? "" : "/";
00385 char tmpstring[sizeof(chan->monitor->filename_base)] = "";
00386 int i, fd[2] = { -1, -1 }, doexit = 0;
00387
00388
00389 snprintf(tmpstring, sizeof(tmpstring), "%s%s%s", absolute, absolute_suffix, fname_base);
00390
00391
00392 if (directory) {
00393 char *name = strdup(fname_base);
00394 snprintf(tmp, sizeof(tmp), "mkdir -p \"%s%s%s\"", absolute, absolute_suffix, dirname(name));
00395 free(name);
00396 ast_safe_system(tmp);
00397 }
00398
00399
00400
00401
00402
00403
00404
00405
00406
00407
00408
00409
00410 if (option_debug > 2) {
00411 ast_log(LOG_DEBUG, "comparing tmpstring %s to filename_base %s\n", tmpstring, chan->monitor->filename_base);
00412 }
00413 if ((fd[0] = open(tmpstring, O_CREAT | O_WRONLY, 0644)) < 0 ||
00414 (fd[1] = open(chan->monitor->filename_base, O_CREAT | O_EXCL | O_WRONLY, 0644)) < 0) {
00415 if (fd[0] < 0) {
00416 ast_log(LOG_ERROR, "Unable to compare filenames: %s\n", strerror(errno));
00417 } else {
00418 if (option_debug > 2) {
00419 ast_log(LOG_DEBUG, "No need to rename monitor filename to itself\n");
00420 }
00421 }
00422 doexit = 1;
00423 }
00424
00425
00426 for (i = 0; i < 2; i++) {
00427 if (fd[i] >= 0) {
00428 while (close(fd[i]) < 0 && errno == EINTR);
00429 }
00430 }
00431 unlink(tmpstring);
00432
00433 unlink(chan->monitor->filename_base);
00434
00435 if (doexit) {
00436 UNLOCK_IF_NEEDED(chan, need_lock);
00437 return 0;
00438 }
00439
00440 ast_copy_string(chan->monitor->filename_base, tmpstring, sizeof(chan->monitor->filename_base));
00441 chan->monitor->filename_changed = 1;
00442 } else {
00443 ast_log(LOG_WARNING, "Cannot change monitor filename of channel %s to %s, monitoring not started\n", chan->name, fname_base);
00444 }
00445
00446 UNLOCK_IF_NEEDED(chan, need_lock);
00447
00448 return 0;
00449 }
00450
00451 static int start_monitor_exec(struct ast_channel *chan, void *data)
00452 {
00453 char *arg = NULL;
00454 char *format = NULL;
00455 char *fname_base = NULL;
00456 char *options = NULL;
00457 char *delay = NULL;
00458 char *urlprefix = NULL;
00459 char tmp[256];
00460 int joinfiles = 0;
00461 int waitforbridge = 0;
00462 int res = 0;
00463
00464
00465 if (!ast_strlen_zero((char*)data)) {
00466 arg = ast_strdupa((char*)data);
00467 format = arg;
00468 fname_base = strchr(arg, '|');
00469 if (fname_base) {
00470 *fname_base = 0;
00471 fname_base++;
00472 if ((options = strchr(fname_base, '|'))) {
00473 *options = 0;
00474 options++;
00475 if (strchr(options, 'm'))
00476 joinfiles = 1;
00477 if (strchr(options, 'b'))
00478 waitforbridge = 1;
00479 }
00480 }
00481 arg = strchr(format,':');
00482 if (arg) {
00483 *arg++ = 0;
00484 urlprefix = arg;
00485 }
00486 }
00487 if (urlprefix) {
00488 snprintf(tmp,sizeof(tmp) - 1,"%s/%s.%s",urlprefix,fname_base,
00489 ((strcmp(format,"gsm")) ? "wav" : "gsm"));
00490 if (!chan->cdr && !(chan->cdr = ast_cdr_alloc()))
00491 return -1;
00492 ast_cdr_setuserfield(chan, tmp);
00493 }
00494 if (waitforbridge) {
00495
00496
00497
00498
00499 delay = ast_strdupa(data);
00500 options = strrchr(delay, '|');
00501 if (options) {
00502 arg = strchr(options, 'b');
00503 if (arg) {
00504 *arg = 'X';
00505 pbx_builtin_setvar_helper(chan,"AUTO_MONITOR",delay);
00506 }
00507 }
00508 return 0;
00509 }
00510
00511 res = ast_monitor_start(chan, format, fname_base, 1);
00512 if (res < 0)
00513 res = ast_monitor_change_fname(chan, fname_base, 1);
00514 ast_monitor_setjoinfiles(chan, joinfiles);
00515
00516 return res;
00517 }
00518
00519 static int stop_monitor_exec(struct ast_channel *chan, void *data)
00520 {
00521 return ast_monitor_stop(chan, 1);
00522 }
00523
00524 static int change_monitor_exec(struct ast_channel *chan, void *data)
00525 {
00526 return ast_monitor_change_fname(chan, (const char*)data, 1);
00527 }
00528
00529 static char start_monitor_action_help[] =
00530 "Description: The 'Monitor' action may be used to record the audio on a\n"
00531 " specified channel. The following parameters may be used to control\n"
00532 " this:\n"
00533 " Channel - Required. Used to specify the channel to record.\n"
00534 " File - Optional. Is the name of the file created in the\n"
00535 " monitor spool directory. Defaults to the same name\n"
00536 " as the channel (with slashes replaced with dashes).\n"
00537 " Format - Optional. Is the audio recording format. Defaults\n"
00538 " to \"wav\".\n"
00539 " Mix - Optional. Boolean parameter as to whether to mix\n"
00540 " the input and output channels together after the\n"
00541 " recording is finished.\n";
00542
00543 static int start_monitor_action(struct mansession *s, const struct message *m)
00544 {
00545 struct ast_channel *c = NULL;
00546 const char *name = astman_get_header(m, "Channel");
00547 const char *fname = astman_get_header(m, "File");
00548 const char *format = astman_get_header(m, "Format");
00549 const char *mix = astman_get_header(m, "Mix");
00550 char *d;
00551
00552 if (ast_strlen_zero(name)) {
00553 astman_send_error(s, m, "No channel specified");
00554 return 0;
00555 }
00556 c = ast_get_channel_by_name_locked(name);
00557 if (!c) {
00558 astman_send_error(s, m, "No such channel");
00559 return 0;
00560 }
00561
00562 if (ast_strlen_zero(fname)) {
00563
00564 fname = ast_strdupa(c->name);
00565
00566 if ((d = strchr(fname, '/')))
00567 *d = '-';
00568 }
00569
00570 if (ast_monitor_start(c, format, fname, 1)) {
00571 if (ast_monitor_change_fname(c, fname, 1)) {
00572 astman_send_error(s, m, "Could not start monitoring channel");
00573 ast_channel_unlock(c);
00574 return 0;
00575 }
00576 }
00577
00578 if (ast_true(mix)) {
00579 ast_monitor_setjoinfiles(c, 1);
00580 }
00581
00582 ast_channel_unlock(c);
00583 astman_send_ack(s, m, "Started monitoring channel");
00584 return 0;
00585 }
00586
00587 static char stop_monitor_action_help[] =
00588 "Description: The 'StopMonitor' action may be used to end a previously\n"
00589 " started 'Monitor' action. The only parameter is 'Channel', the name\n"
00590 " of the channel monitored.\n";
00591
00592 static int stop_monitor_action(struct mansession *s, const struct message *m)
00593 {
00594 struct ast_channel *c = NULL;
00595 const char *name = astman_get_header(m, "Channel");
00596 int res;
00597 if (ast_strlen_zero(name)) {
00598 astman_send_error(s, m, "No channel specified");
00599 return 0;
00600 }
00601 c = ast_get_channel_by_name_locked(name);
00602 if (!c) {
00603 astman_send_error(s, m, "No such channel");
00604 return 0;
00605 }
00606 res = ast_monitor_stop(c, 1);
00607 ast_channel_unlock(c);
00608 if (res) {
00609 astman_send_error(s, m, "Could not stop monitoring channel");
00610 return 0;
00611 }
00612 astman_send_ack(s, m, "Stopped monitoring channel");
00613 return 0;
00614 }
00615
00616 static char change_monitor_action_help[] =
00617 "Description: The 'ChangeMonitor' action may be used to change the file\n"
00618 " started by a previous 'Monitor' action. The following parameters may\n"
00619 " be used to control this:\n"
00620 " Channel - Required. Used to specify the channel to record.\n"
00621 " File - Required. Is the new name of the file created in the\n"
00622 " monitor spool directory.\n";
00623
00624 static int change_monitor_action(struct mansession *s, const struct message *m)
00625 {
00626 struct ast_channel *c = NULL;
00627 const char *name = astman_get_header(m, "Channel");
00628 const char *fname = astman_get_header(m, "File");
00629 if (ast_strlen_zero(name)) {
00630 astman_send_error(s, m, "No channel specified");
00631 return 0;
00632 }
00633 if (ast_strlen_zero(fname)) {
00634 astman_send_error(s, m, "No filename specified");
00635 return 0;
00636 }
00637 c = ast_get_channel_by_name_locked(name);
00638 if (!c) {
00639 astman_send_error(s, m, "No such channel");
00640 return 0;
00641 }
00642 if (ast_monitor_change_fname(c, fname, 1)) {
00643 astman_send_error(s, m, "Could not change monitored filename of channel");
00644 ast_channel_unlock(c);
00645 return 0;
00646 }
00647 ast_channel_unlock(c);
00648 astman_send_ack(s, m, "Changed monitor filename");
00649 return 0;
00650 }
00651
00652 void ast_monitor_setjoinfiles(struct ast_channel *chan, int turnon)
00653 {
00654 if (chan->monitor)
00655 chan->monitor->joinfiles = turnon;
00656 }
00657
00658 #define IS_NULL_STRING(string) ((!(string)) || (ast_strlen_zero((string))))
00659
00660 enum MONITOR_PAUSING_ACTION
00661 {
00662 MONITOR_ACTION_PAUSE,
00663 MONITOR_ACTION_UNPAUSE
00664 };
00665
00666 static int do_pause_or_unpause(struct mansession *s, const struct message *m, int action)
00667 {
00668 struct ast_channel *c = NULL;
00669 const char *name = astman_get_header(m, "Channel");
00670
00671 if (IS_NULL_STRING(name)) {
00672 astman_send_error(s, m, "No channel specified");
00673 return -1;
00674 }
00675
00676 c = ast_get_channel_by_name_locked(name);
00677 if (!c) {
00678 astman_send_error(s, m, "No such channel");
00679 return -1;
00680 }
00681
00682 if (action == MONITOR_ACTION_PAUSE)
00683 ast_monitor_pause(c);
00684 else
00685 ast_monitor_unpause(c);
00686
00687 ast_channel_unlock(c);
00688 astman_send_ack(s, m, (action == MONITOR_ACTION_PAUSE ? "Paused monitoring of the channel" : "Unpaused monitoring of the channel"));
00689 return 0;
00690 }
00691
00692 static char pause_monitor_action_help[] =
00693 "Description: The 'PauseMonitor' action may be used to temporarily stop the\n"
00694 " recording of a channel. The following parameters may\n"
00695 " be used to control this:\n"
00696 " Channel - Required. Used to specify the channel to record.\n";
00697
00698 static int pause_monitor_action(struct mansession *s, const struct message *m)
00699 {
00700 return do_pause_or_unpause(s, m, MONITOR_ACTION_PAUSE);
00701 }
00702
00703 static char unpause_monitor_action_help[] =
00704 "Description: The 'UnpauseMonitor' action may be used to re-enable recording\n"
00705 " of a channel after calling PauseMonitor. The following parameters may\n"
00706 " be used to control this:\n"
00707 " Channel - Required. Used to specify the channel to record.\n";
00708
00709 static int unpause_monitor_action(struct mansession *s, const struct message *m)
00710 {
00711 return do_pause_or_unpause(s, m, MONITOR_ACTION_UNPAUSE);
00712 }
00713
00714
00715 static int load_module(void)
00716 {
00717 ast_register_application("Monitor", start_monitor_exec, monitor_synopsis, monitor_descrip);
00718 ast_register_application("StopMonitor", stop_monitor_exec, stopmonitor_synopsis, stopmonitor_descrip);
00719 ast_register_application("ChangeMonitor", change_monitor_exec, changemonitor_synopsis, changemonitor_descrip);
00720 ast_register_application("PauseMonitor", pause_monitor_exec, pausemonitor_synopsis, pausemonitor_descrip);
00721 ast_register_application("UnpauseMonitor", unpause_monitor_exec, unpausemonitor_synopsis, unpausemonitor_descrip);
00722 ast_manager_register2("Monitor", EVENT_FLAG_CALL, start_monitor_action, monitor_synopsis, start_monitor_action_help);
00723 ast_manager_register2("StopMonitor", EVENT_FLAG_CALL, stop_monitor_action, stopmonitor_synopsis, stop_monitor_action_help);
00724 ast_manager_register2("ChangeMonitor", EVENT_FLAG_CALL, change_monitor_action, changemonitor_synopsis, change_monitor_action_help);
00725 ast_manager_register2("PauseMonitor", EVENT_FLAG_CALL, pause_monitor_action, pausemonitor_synopsis, pause_monitor_action_help);
00726 ast_manager_register2("UnpauseMonitor", EVENT_FLAG_CALL, unpause_monitor_action, unpausemonitor_synopsis, unpause_monitor_action_help);
00727
00728 return 0;
00729 }
00730
00731 static int unload_module(void)
00732 {
00733 ast_unregister_application("Monitor");
00734 ast_unregister_application("StopMonitor");
00735 ast_unregister_application("ChangeMonitor");
00736 ast_unregister_application("PauseMonitor");
00737 ast_unregister_application("UnpauseMonitor");
00738 ast_manager_unregister("Monitor");
00739 ast_manager_unregister("StopMonitor");
00740 ast_manager_unregister("ChangeMonitor");
00741 ast_manager_unregister("PauseMonitor");
00742 ast_manager_unregister("UnpauseMonitor");
00743
00744 return 0;
00745 }
00746
00747
00748 AST_MODULE_INFO(ASTERISK_GPL_KEY, AST_MODFLAG_GLOBAL_SYMBOLS, "Call Monitoring Resource",
00749 .load = load_module,
00750 .unload = unload_module,
00751 );