res_musiconhold.c File Reference

Routines implementing music on hold. More...

#include "asterisk.h"
#include <ctype.h>
#include <signal.h>
#include <sys/time.h>
#include <sys/signal.h>
#include <netinet/in.h>
#include <sys/stat.h>
#include <dirent.h>
#include <sys/ioctl.h>
#include "asterisk/lock.h"
#include "asterisk/file.h"
#include "asterisk/channel.h"
#include "asterisk/pbx.h"
#include "asterisk/app.h"
#include "asterisk/module.h"
#include "asterisk/translate.h"
#include "asterisk/say.h"
#include "asterisk/musiconhold.h"
#include "asterisk/config.h"
#include "asterisk/utils.h"
#include "asterisk/cli.h"
#include "asterisk/stringfields.h"
#include "asterisk/linkedlists.h"
#include "asterisk/astobj2.h"

Include dependency graph for res_musiconhold.c:

Go to the source code of this file.

Data Structures
struct	moh_files_state
struct	mohclass
struct	mohdata
Defines
#define	INITIAL_NUM_FILES   8
#define	LOCAL_MPG_123   "/usr/local/bin/mpg123"
#define	MAX_MP3S   256
#define	MOH_CACHERTCLASSES   (1 << 5)
#define	MOH_CUSTOM   (1 << 2)
#define	MOH_MS_INTERVAL   100
#define	MOH_QUIET   (1 << 0)
#define	MOH_RANDOMIZE   (1 << 3)
#define	MOH_SINGLE   (1 << 1)
#define	MOH_SORTALPHA   (1 << 4)
#define	mohclass_ref(class)   (ao2_ref((class), +1), class)
#define	mohclass_unref(class)   (ao2_ref((class), -1), (struct mohclass *) NULL)
#define	MPG_123   "/usr/bin/mpg123"
Functions
static void	__reg_module (void)
static void	__unreg_module (void)
static void	ast_moh_destroy (void)
static int	ast_moh_files_next (struct ast_channel *chan)
static struct mohclass *	get_mohbydigit (char digit)
static struct mohclass *	get_mohbyname (const char *name, int warn)
static char *	handle_cli_moh_reload (struct ast_cli_entry *e, int cmd, struct ast_cli_args *a)
static char *	handle_cli_moh_show_classes (struct ast_cli_entry *e, int cmd, struct ast_cli_args *a)
static char *	handle_cli_moh_show_files (struct ast_cli_entry *e, int cmd, struct ast_cli_args *a)
static int	init_app_class (struct mohclass *class)
static int	init_files_class (struct mohclass *class)
static int	load_module (void)
static int	load_moh_classes (int reload)
static void	local_ast_moh_cleanup (struct ast_channel *chan)
static int	local_ast_moh_start (struct ast_channel *chan, const char *mclass, const char *interpclass)
static void	local_ast_moh_stop (struct ast_channel *chan)
static int	moh_add_file (struct mohclass *class, const char *filepath)
static void *	moh_alloc (struct ast_channel *chan, void *params)
static int	moh_class_cmp (void *obj, void *arg, int flags)
static void	moh_class_destructor (void *obj)
static int	moh_class_hash (const void *obj, const int flags)
static int	moh_class_inuse (void *obj, void *arg, int flags)
static struct mohclass *	moh_class_malloc (void)
static int	moh_class_mark (void *obj, void *arg, int flags)
static int	moh_classes_delete_marked (void *obj, void *arg, int flags)
static int	moh_diff (struct mohclass *old, struct mohclass *new)
static int	moh_digit_match (void *obj, void *arg, int flags)
static void *	moh_files_alloc (struct ast_channel *chan, void *params)
static int	moh_files_generator (struct ast_channel *chan, void *data, int len, int samples)
static struct ast_frame *	moh_files_readframe (struct ast_channel *chan)
static void	moh_files_release (struct ast_channel *chan, void *data)
static int	moh_generate (struct ast_channel *chan, void *data, int len, int samples)
static void	moh_handle_digit (struct ast_channel *chan, char digit)
static int	moh_register (struct mohclass *moh, int reload, int unref)
static void	moh_release (struct ast_channel *chan, void *data)
static int	moh_scan_files (struct mohclass *class)
static int	moh_sort_compare (const void *i1, const void *i2)
static struct mohdata *	mohalloc (struct mohclass *cl)
static void *	monmp3thread (void *data)
static int	play_moh_exec (struct ast_channel *chan, void *data)
static int	reload (void)
static int	set_moh_exec (struct ast_channel *chan, void *data)
static int	spawn_mp3 (struct mohclass *class)
static int	start_moh_exec (struct ast_channel *chan, void *data)
static int	stop_moh_exec (struct ast_channel *chan, void *data)
static int	unload_module (void)
static int	wait_moh_exec (struct ast_channel *chan, void *data)
Variables
static struct ast_module_info	__mod_info = { .name = AST_MODULE, .flags = AST_MODFLAG_DEFAULT , .description = "Music On Hold Resource" , .key = "This paragraph is copyright (c) 2006 by Digium, Inc. \In order for your module to load, it must return this \key via a function called \"key\". Any code which \includes this paragraph must be licensed under the GNU \General Public License version 2 or later (at your \option). In addition to Digium's general reservations \of rights, Digium expressly reserves the right to \allow other parties to license this paragraph under \different terms. Any use of Digium, Inc. trademarks or \logos (including \"Asterisk\" or \"Digium\") without \express written permission of Digium, Inc. is prohibited.\n" , .buildopt_sum = AST_BUILDOPT_SUM, .load = load_module, .unload = unload_module, .reload = reload, }
static const struct ast_module_info *	ast_module_info = &__mod_info
static struct ast_cli_entry	cli_moh []
static struct ast_flags	global_flags [1] = {{0}}
static struct ast_generator	moh_file_stream
static struct ao2_container *	mohclasses
static struct ast_generator	mohgen
static char *	play_moh = "MusicOnHold"
static char *	play_moh_desc
static char *	play_moh_syn = "Play Music On Hold indefinitely"
static int	respawn_time = 20
static char *	set_moh = "SetMusicOnHold"
static char *	set_moh_desc
static char *	set_moh_syn = "Set default Music On Hold class"
static char *	start_moh = "StartMusicOnHold"
static char *	start_moh_desc
static char *	start_moh_syn = "Play Music On Hold"
static char *	stop_moh = "StopMusicOnHold"
static char *	stop_moh_desc
static char *	stop_moh_syn = "Stop Playing Music On Hold"
static char *	wait_moh = "WaitMusicOnHold"
static char *	wait_moh_desc
static char *	wait_moh_syn = "Wait, playing Music On Hold"

---

Detailed Description

Routines implementing music on hold.

• See also Music on Hold Configuration

Author:

Mark Spencer <markster@digium.com>

Definition in file res_musiconhold.c.

---

Define Documentation

#define INITIAL_NUM_FILES   8

Definition at line 73 of file res_musiconhold.c.

Referenced by moh_add_file().

#define LOCAL_MPG_123   "/usr/local/bin/mpg123"

Definition at line 185 of file res_musiconhold.c.

#define MAX_MP3S   256

Definition at line 187 of file res_musiconhold.c.

Referenced by spawn_mp3().

#define MOH_CACHERTCLASSES   (1 << 5)

Should we use a separate instance of MOH for each user or not

Definition at line 141 of file res_musiconhold.c.

Referenced by load_moh_classes(), and local_ast_moh_start().

#define MOH_CUSTOM   (1 << 2)

Definition at line 137 of file res_musiconhold.c.

Referenced by handle_cli_moh_show_classes(), init_app_class(), local_ast_moh_start(), and spawn_mp3().

#define MOH_MS_INTERVAL   100

Referenced by monmp3thread().

#define MOH_QUIET   (1 << 0)

Definition at line 135 of file res_musiconhold.c.

Referenced by init_app_class(), local_ast_moh_start(), and spawn_mp3().

#define MOH_RANDOMIZE   (1 << 3)

Definition at line 138 of file res_musiconhold.c.

Referenced by ast_moh_files_next(), init_files_class(), load_moh_classes(), local_ast_moh_start(), and moh_files_alloc().

#define MOH_SINGLE   (1 << 1)

Definition at line 136 of file res_musiconhold.c.

Referenced by init_app_class(), local_ast_moh_start(), and spawn_mp3().

#define MOH_SORTALPHA   (1 << 4)

Definition at line 139 of file res_musiconhold.c.

Referenced by load_moh_classes(), local_ast_moh_start(), and moh_scan_files().

#define mohclass_ref

(

class

)

(ao2_ref((class), +1), class)

Definition at line 191 of file res_musiconhold.c.

Referenced by moh_files_alloc(), and mohalloc().

#define mohclass_unref

(

class

)

(ao2_ref((class), -1), (struct mohclass *) NULL)

Definition at line 192 of file res_musiconhold.c.

Referenced by handle_cli_moh_show_classes(), handle_cli_moh_show_files(), load_moh_classes(), local_ast_moh_start(), moh_files_release(), moh_handle_digit(), moh_register(), moh_release(), and unload_module().

#define MPG_123   "/usr/bin/mpg123"

Definition at line 186 of file res_musiconhold.c.

---

Function Documentation

static void __reg_module

(

void

)

[static]

Definition at line 1744 of file res_musiconhold.c.

static void __unreg_module

(

void

)

[static]

Definition at line 1744 of file res_musiconhold.c.

static void ast_moh_destroy

(

void

)

[static]

Definition at line 1540 of file res_musiconhold.c.

References ao2_callback(), ast_verb, OBJ_MULTIPLE, OBJ_NODATA, and OBJ_UNLINK.

Referenced by load_module(), and unload_module().

{
   ast_verb(2, "Destroying musiconhold processes\n");
   ao2_callback(mohclasses, OBJ_UNLINK | OBJ_NODATA | OBJ_MULTIPLE, NULL, NULL);
}

static int ast_moh_files_next

(

struct ast_channel *

chan

)

[static]

Definition at line 222 of file res_musiconhold.c.

References ast_closestream(), ast_debug, ast_fileexists(), ast_log(), ast_openstream_full(), ast_random(), ast_seekstream(), ast_test_flag, moh_files_state::class, errno, mohclass::filearray, ast_channel::language, LOG_WARNING, MOH_RANDOMIZE, ast_channel::music_state, ast_channel::name, mohclass::name, moh_files_state::pos, moh_files_state::samples, moh_files_state::save_pos, moh_files_state::save_pos_filename, ast_channel::stream, and mohclass::total_files.

Referenced by moh_files_readframe().

{
   struct moh_files_state *state = chan->music_state;
   int tries;

   /* Discontinue a stream if it is running already */
   if (chan->stream) {
      ast_closestream(chan->stream);
      chan->stream = NULL;
   }

   if (!state->class->total_files) {
      ast_log(LOG_WARNING, "No files available for class '%s'\n", state->class->name);
      return -1;
   }

   /* If a specific file has been saved confirm it still exists and that it is still valid */
   if (state->save_pos >= 0 && state->save_pos < state->class->total_files && state->class->filearray[state->save_pos] == state->save_pos_filename) {
      state->pos = state->save_pos;
      state->save_pos = -1;
   } else if (ast_test_flag(state->class, MOH_RANDOMIZE)) {
      /* Get a random file and ensure we can open it */
      for (tries = 0; tries < 20; tries++) {
         state->pos = ast_random() % state->class->total_files;
         if (ast_fileexists(state->class->filearray[state->pos], NULL, NULL) > 0)
            break;
      }
      state->save_pos = -1;
      state->samples = 0;
   } else {
      /* This is easy, just increment our position and make sure we don't exceed the total file count */
      state->pos++;
      state->pos %= state->class->total_files;
      state->save_pos = -1;
      state->samples = 0;
   }

   if (!ast_openstream_full(chan, state->class->filearray[state->pos], chan->language, 1)) {
      ast_log(LOG_WARNING, "Unable to open file '%s': %s\n", state->class->filearray[state->pos], strerror(errno));
      state->pos++;
      state->pos %= state->class->total_files;
      return -1;
   }

   /* Record the pointer to the filename for position resuming later */
   state->save_pos_filename = state->class->filearray[state->pos];

   ast_debug(1, "%s Opened file %d '%s'\n", chan->name, state->pos, state->class->filearray[state->pos]);

   if (state->samples)
      ast_seekstream(chan->stream, state->samples, SEEK_SET);

   return 0;
}

static struct mohclass* get_mohbydigit

(

char

digit

)

[static, read]

Note:

This function should be called with the mohclasses list locked

Definition at line 352 of file res_musiconhold.c.

References ao2_callback(), and moh_digit_match().

Referenced by moh_handle_digit().

{
   return ao2_callback(mohclasses, 0, moh_digit_match, &digit);
}

static struct mohclass* get_mohbyname	(	const char *	name,
		int	warn
	)			[static, read]

Definition at line 738 of file res_musiconhold.c.

References ao2_find(), ast_copy_string(), ast_log(), mohclass::flags, LOG_DEBUG, moh, and mohclass::name.

Referenced by local_ast_moh_start(), and moh_register().

{
   struct mohclass *moh = NULL;
   struct mohclass tmp_class = {
      .flags = 0,
   };

   ast_copy_string(tmp_class.name, name, sizeof(tmp_class.name));

   moh = ao2_find(mohclasses, &tmp_class, 0);

   if (!moh && warn) {
      ast_log(LOG_DEBUG, "Music on Hold class '%s' not found in memory\n", name);
   }

   return moh;
}

static char* handle_cli_moh_reload	(	struct ast_cli_entry *	e,
		int	cmd,
		struct ast_cli_args *	a
	)			[static]

Definition at line 1546 of file res_musiconhold.c.

References ast_cli_args::argc, ast_cli_entry::args, CLI_GENERATE, CLI_INIT, CLI_SHOWUSAGE, CLI_SUCCESS, ast_cli_entry::command, reload, and ast_cli_entry::usage.

{
   switch (cmd) {
   case CLI_INIT:
      e->command = "moh reload";
      e->usage =
         "Usage: moh reload\n"
         "       Reloads the MusicOnHold module.\n"
         "       Alias for 'module reload res_musiconhold.so'\n";
      return NULL;
   case CLI_GENERATE:
      return NULL;
   }

   if (a->argc != e->args)
      return CLI_SHOWUSAGE;

   reload();

   return CLI_SUCCESS;
}

static char* handle_cli_moh_show_classes	(	struct ast_cli_entry *	e,
		int	cmd,
		struct ast_cli_args *	a
	)			[static]

Definition at line 1606 of file res_musiconhold.c.

References ao2_iterator_destroy(), ao2_iterator_init(), ao2_iterator_next(), ast_cli_args::argc, ast_cli_entry::args, ast_cli(), ast_getformatname(), ast_test_flag, CLI_GENERATE, CLI_INIT, CLI_SHOWUSAGE, CLI_SUCCESS, ast_cli_entry::command, ast_cli_args::fd, MOH_CUSTOM, mohclass_unref, S_OR, and ast_cli_entry::usage.

{
   struct mohclass *class;
   struct ao2_iterator i;

   switch (cmd) {
   case CLI_INIT:
      e->command = "moh show classes";
      e->usage =
         "Usage: moh show classes\n"
         "       Lists all MusicOnHold classes.\n";
      return NULL;
   case CLI_GENERATE:
      return NULL;
   }

   if (a->argc != e->args)
      return CLI_SHOWUSAGE;

   i = ao2_iterator_init(mohclasses, 0);
   for (; (class = ao2_iterator_next(&i)); mohclass_unref(class)) {
      ast_cli(a->fd, "Class: %s\n", class->name);
      ast_cli(a->fd, "\tMode: %s\n", S_OR(class->mode, "<none>"));
      ast_cli(a->fd, "\tDirectory: %s\n", S_OR(class->dir, "<none>"));
      if (ast_test_flag(class, MOH_CUSTOM)) {
         ast_cli(a->fd, "\tApplication: %s\n", S_OR(class->args, "<none>"));
      }
      if (strcasecmp(class->mode, "files")) {
         ast_cli(a->fd, "\tFormat: %s\n", ast_getformatname(class->format));
      }
   }
   ao2_iterator_destroy(&i);

   return CLI_SUCCESS;
}

static char* handle_cli_moh_show_files	(	struct ast_cli_entry *	e,
		int	cmd,
		struct ast_cli_args *	a
	)			[static]

Definition at line 1568 of file res_musiconhold.c.

References ao2_iterator_destroy(), ao2_iterator_init(), ao2_iterator_next(), ast_cli_args::argc, ast_cli_entry::args, ast_cli(), CLI_GENERATE, CLI_INIT, CLI_SHOWUSAGE, CLI_SUCCESS, ast_cli_entry::command, ast_cli_args::fd, mohclass_unref, and ast_cli_entry::usage.

{
   struct mohclass *class;
   struct ao2_iterator i;

   switch (cmd) {
   case CLI_INIT:
      e->command = "moh show files";
      e->usage =
         "Usage: moh show files\n"
         "       Lists all loaded file-based MusicOnHold classes and their\n"
         "       files.\n";
      return NULL;
   case CLI_GENERATE:
      return NULL;
   }

   if (a->argc != e->args)
      return CLI_SHOWUSAGE;

   i = ao2_iterator_init(mohclasses, 0);
   for (; (class = ao2_iterator_next(&i)); mohclass_unref(class)) {
      int x;

      if (!class->total_files) {
         continue;
      }

      ast_cli(a->fd, "Class: %s\n", class->name);
      for (x = 0; x < class->total_files; x++) {
         ast_cli(a->fd, "\tFile: %s\n", class->filearray[x]);
      }
   }
   ao2_iterator_destroy(&i);

   return CLI_SUCCESS;
}

static int init_app_class

(

struct mohclass *

class

)

[static]

Definition at line 1035 of file res_musiconhold.c.

References ast_log(), ast_pthread_create_background, ast_set_flag, LOG_WARNING, MOH_CUSTOM, MOH_QUIET, MOH_SINGLE, and monmp3thread().

Referenced by moh_register().

{
#ifdef HAVE_DAHDI
   int x;
#endif

   if (!strcasecmp(class->mode, "custom")) {
      ast_set_flag(class, MOH_CUSTOM);
   } else if (!strcasecmp(class->mode, "mp3nb")) {
      ast_set_flag(class, MOH_SINGLE);
   } else if (!strcasecmp(class->mode, "quietmp3nb")) {
      ast_set_flag(class, MOH_SINGLE | MOH_QUIET);
   } else if (!strcasecmp(class->mode, "quietmp3")) {
      ast_set_flag(class, MOH_QUIET);
   }
      
   class->srcfd = -1;
   class->pseudofd = -1;

#ifdef HAVE_DAHDI
   /* Open /dev/zap/pseudo for timing...  Is
      there a better, yet reliable way to do this? */
   class->pseudofd = open("/dev/dahdi/pseudo", O_RDONLY);
   if (class->pseudofd < 0) {
      ast_log(LOG_WARNING, "Unable to open pseudo channel for timing...  Sound may be choppy.\n");
   } else {
      x = 320;
      ioctl(class->pseudofd, DAHDI_SET_BLOCKSIZE, &x);
   }
#endif

   if (ast_pthread_create_background(&class->thread, NULL, monmp3thread, class)) {
      ast_log(LOG_WARNING, "Unable to create moh thread...\n");
      if (class->pseudofd > -1) {
         close(class->pseudofd);
         class->pseudofd = -1;
      }
      return -1;
   }

   return 0;
}

static int init_files_class

(

struct mohclass *

class

)

[static]

Definition at line 990 of file res_musiconhold.c.

References ast_set_flag, ast_verbose(), MOH_RANDOMIZE, moh_scan_files(), option_verbose, and VERBOSE_PREFIX_3.

Referenced by moh_register().

{
   int res;

   res = moh_scan_files(class);

   if (res < 0) {
      return -1;
   }

   if (!res) {
      if (option_verbose > 2) {
         ast_verbose(VERBOSE_PREFIX_3 "Files not found in %s for moh class:%s\n",
               class->dir, class->name);
      }
      return -1;
   }

   if (strchr(class->args, 'r')) {
      ast_set_flag(class, MOH_RANDOMIZE);
   }

   return 0;
}

static int load_module

(

void

)

[static]

Definition at line 1662 of file res_musiconhold.c.

References ao2_container_alloc(), ast_cli_register_multiple(), ast_install_music_functions(), ast_log(), AST_MODULE_LOAD_DECLINE, AST_MODULE_LOAD_SUCCESS, ast_moh_destroy(), ast_register_application, ast_register_atexit(), load_moh_classes(), local_ast_moh_cleanup(), local_ast_moh_start(), local_ast_moh_stop(), LOG_WARNING, moh_class_cmp(), moh_class_hash(), play_moh_exec(), set_moh_exec(), start_moh_exec(), stop_moh_exec(), and wait_moh_exec().

{
   int res;

   if (!(mohclasses = ao2_container_alloc(53, moh_class_hash, moh_class_cmp))) {
      return AST_MODULE_LOAD_DECLINE;
   }

   if (!load_moh_classes(0)) {   /* No music classes configured, so skip it */
      ast_log(LOG_WARNING, "No music on hold classes configured, "
            "disabling music on hold.\n");
   } else {
      ast_install_music_functions(local_ast_moh_start, local_ast_moh_stop,
            local_ast_moh_cleanup);
   }

   res = ast_register_application(play_moh, play_moh_exec, play_moh_syn, play_moh_desc);
   ast_register_atexit(ast_moh_destroy);
   ast_cli_register_multiple(cli_moh, sizeof(cli_moh) / sizeof(struct ast_cli_entry));
   if (!res)
      res = ast_register_application(wait_moh, wait_moh_exec, wait_moh_syn, wait_moh_desc);
   if (!res)
      res = ast_register_application(set_moh, set_moh_exec, set_moh_syn, set_moh_desc);
   if (!res)
      res = ast_register_application(start_moh, start_moh_exec, start_moh_syn, start_moh_desc);
   if (!res)
      res = ast_register_application(stop_moh, stop_moh_exec, stop_moh_syn, stop_moh_desc);

   return AST_MODULE_LOAD_SUCCESS;
}

static int load_moh_classes

(

int

reload

)

[static]

Definition at line 1439 of file res_musiconhold.c.

References ao2_callback(), ast_category_browse(), ast_clear_flag, ast_config_destroy(), ast_config_load, ast_copy_string(), AST_FLAGS_ALL, AST_FORMAT_SLINEAR, ast_getformatbyname(), ast_log(), ast_set2_flag, ast_set_flag, ast_strlen_zero(), ast_true(), ast_variable_browse(), CONFIG_FLAG_FILEUNCHANGED, CONFIG_STATUS_FILEUNCHANGED, LOG_WARNING, MOH_CACHERTCLASSES, moh_class_malloc(), moh_class_mark(), moh_classes_delete_marked(), MOH_RANDOMIZE, moh_register(), MOH_SORTALPHA, mohclass_unref, ast_variable::name, ast_variable::next, OBJ_MULTIPLE, OBJ_NODATA, OBJ_UNLINK, ast_variable::value, and var.

Referenced by load_module().

{
   struct ast_config *cfg;
   struct ast_variable *var;
   struct mohclass *class; 
   char *cat;
   int numclasses = 0;
   struct ast_flags config_flags = { reload ? CONFIG_FLAG_FILEUNCHANGED : 0 };

   cfg = ast_config_load("musiconhold.conf", config_flags);

   if (cfg == NULL || cfg == CONFIG_STATUS_FILEUNCHANGED)
      return 0;

   if (reload) {
      ao2_callback(mohclasses, OBJ_NODATA, moh_class_mark, NULL);
   }
   
   ast_clear_flag(global_flags, AST_FLAGS_ALL);

   cat = ast_category_browse(cfg, NULL);
   for (; cat; cat = ast_category_browse(cfg, cat)) {
      /* Setup common options from [general] section */
      if (!strcasecmp(cat, "general")) {
         for (var = ast_variable_browse(cfg, cat); var; var = var->next) {
            if (!strcasecmp(var->name, "cachertclasses")) {
               ast_set2_flag(global_flags, ast_true(var->value), MOH_CACHERTCLASSES);
            } else {
               ast_log(LOG_WARNING, "Unknown option '%s' in [general] section of musiconhold.conf\n", var->name);
            }
         }
      }
      /* These names were deprecated in 1.4 and should not be used until after the next major release. */
      if (!strcasecmp(cat, "classes") || !strcasecmp(cat, "moh_files") || 
            !strcasecmp(cat, "general")) {
         continue;
      }

      if (!(class = moh_class_malloc())) {
         break;
      }

      ast_copy_string(class->name, cat, sizeof(class->name));  
      for (var = ast_variable_browse(cfg, cat); var; var = var->next) {
         if (!strcasecmp(var->name, "mode"))
            ast_copy_string(class->mode, var->value, sizeof(class->mode)); 
         else if (!strcasecmp(var->name, "directory"))
            ast_copy_string(class->dir, var->value, sizeof(class->dir));
         else if (!strcasecmp(var->name, "application"))
            ast_copy_string(class->args, var->value, sizeof(class->args));
         else if (!strcasecmp(var->name, "digit") && (isdigit(*var->value) || strchr("*#", *var->value)))
            class->digit = *var->value;
         else if (!strcasecmp(var->name, "random"))
            ast_set2_flag(class, ast_true(var->value), MOH_RANDOMIZE);
         else if (!strcasecmp(var->name, "sort") && !strcasecmp(var->value, "random"))
            ast_set_flag(class, MOH_RANDOMIZE);
         else if (!strcasecmp(var->name, "sort") && !strcasecmp(var->value, "alpha")) 
            ast_set_flag(class, MOH_SORTALPHA);
         else if (!strcasecmp(var->name, "format")) {
            class->format = ast_getformatbyname(var->value);
            if (!class->format) {
               ast_log(LOG_WARNING, "Unknown format '%s' -- defaulting to SLIN\n", var->value);
               class->format = AST_FORMAT_SLINEAR;
            }
         }
      }

      if (ast_strlen_zero(class->dir)) {
         if (!strcasecmp(class->mode, "custom")) {
            strcpy(class->dir, "nodir");
         } else {
            ast_log(LOG_WARNING, "A directory must be specified for class '%s'!\n", class->name);
            class = mohclass_unref(class);
            continue;
         }
      }
      if (ast_strlen_zero(class->mode)) {
         ast_log(LOG_WARNING, "A mode must be specified for class '%s'!\n", class->name);
         class = mohclass_unref(class);
         continue;
      }
      if (ast_strlen_zero(class->args) && !strcasecmp(class->mode, "custom")) {
         ast_log(LOG_WARNING, "An application must be specified for class '%s'!\n", class->name);
         class = mohclass_unref(class);
         continue;
      }

      /* Don't leak a class when it's already registered */
      if (!moh_register(class, reload, 1)) {
         numclasses++;
      }
   }

   ast_config_destroy(cfg);

   ao2_callback(mohclasses, OBJ_UNLINK | OBJ_NODATA | OBJ_MULTIPLE, 
         moh_classes_delete_marked, NULL);

   return numclasses;
}

static void local_ast_moh_cleanup

(

struct ast_channel *

chan

)

[static]

Definition at line 1127 of file res_musiconhold.c.

References ast_free, and ast_channel::music_state.

Referenced by load_module().

{
   struct moh_files_state *state = chan->music_state;

   if (state) {
      ast_free(chan->music_state);
      chan->music_state = NULL;
   }
}

static int local_ast_moh_start	(	struct ast_channel *	chan,
		const char *	mclass,
		const char *	interpclass
	)			[static]

Definition at line 1150 of file res_musiconhold.c.

References mohclass::args, ast_activate_generator(), ast_check_realtime(), ast_copy_string(), AST_FLAG_MOH, AST_FORMAT_SLINEAR, ast_getformatbyname(), ast_load_realtime(), ast_log(), ast_pthread_create_background, ast_set2_flag, ast_set_flag, ast_strlen_zero(), ast_test_flag, ast_true(), ast_variables_destroy(), moh_files_state::class, mohclass::digit, mohclass::dir, mohclass::format, get_mohbyname(), LOG_NOTICE, LOG_WARNING, mohclass::mode, MOH_CACHERTCLASSES, moh_class_malloc(), MOH_CUSTOM, MOH_QUIET, MOH_RANDOMIZE, moh_register(), moh_scan_files(), MOH_SINGLE, MOH_SORTALPHA, mohclass_unref, monmp3thread(), ast_channel::music_state, ast_channel::musicclass, mohclass::name, ast_variable::name, ast_variable::next, mohclass::pseudofd, mohclass::realtime, mohclass::srcfd, mohclass::start, mohclass::thread, mohclass::total_files, ast_variable::value, and var.

Referenced by load_module().

{
   struct mohclass *mohclass = NULL;
   struct moh_files_state *state = chan->music_state;
   struct ast_variable *var = NULL;
   int res;
   int realtime_possible = ast_check_realtime("musiconhold");

   /* The following is the order of preference for which class to use:
    * 1) The channels explicitly set musicclass, which should *only* be
    *    set by a call to Set(CHANNEL(musicclass)=whatever) in the dialplan.
    * 2) The mclass argument. If a channel is calling ast_moh_start() as the
    *    result of receiving a HOLD control frame, this should be the
    *    payload that came with the frame.
    * 3) The interpclass argument. This would be from the mohinterpret
    *    option from channel drivers. This is the same as the old musicclass
    *    option.
    * 4) The default class.
    */
   if (!ast_strlen_zero(chan->musicclass)) {
      mohclass = get_mohbyname(chan->musicclass, 1);
      if (!mohclass && realtime_possible) {
         var = ast_load_realtime("musiconhold", "name", chan->musicclass, NULL);
      }
   }
   if (!mohclass && !var && !ast_strlen_zero(mclass)) {
      mohclass = get_mohbyname(mclass, 1);
      if (!mohclass && realtime_possible) {
         var = ast_load_realtime("musiconhold", "name", mclass, NULL);
      }
   }
   if (!mohclass && !var && !ast_strlen_zero(interpclass)) {
      mohclass = get_mohbyname(interpclass, 1);
      if (!mohclass && realtime_possible) {
         var = ast_load_realtime("musiconhold", "name", interpclass, NULL);
      }
   }

   if (!mohclass && !var) {
      mohclass = get_mohbyname("default", 1);
      if (!mohclass && realtime_possible) {
         var = ast_load_realtime("musiconhold", "name", "default", NULL);
      }
   }

   /* If no moh class found in memory, then check RT. Note that the logic used
    * above guarantees that if var is non-NULL, then mohclass must be NULL.
    */
   if (var) {
      struct ast_variable *tmp = NULL;

      if ((mohclass = moh_class_malloc())) {
         mohclass->realtime = 1;
         for (tmp = var; tmp; tmp = tmp->next) {
            if (!strcasecmp(tmp->name, "name"))
               ast_copy_string(mohclass->name, tmp->value, sizeof(mohclass->name));
            else if (!strcasecmp(tmp->name, "mode"))
               ast_copy_string(mohclass->mode, tmp->value, sizeof(mohclass->mode)); 
            else if (!strcasecmp(tmp->name, "directory"))
               ast_copy_string(mohclass->dir, tmp->value, sizeof(mohclass->dir));
            else if (!strcasecmp(tmp->name, "application"))
               ast_copy_string(mohclass->args, tmp->value, sizeof(mohclass->args));
            else if (!strcasecmp(tmp->name, "digit") && (isdigit(*tmp->value) || strchr("*#", *tmp->value)))
               mohclass->digit = *tmp->value;
            else if (!strcasecmp(tmp->name, "random"))
               ast_set2_flag(mohclass, ast_true(tmp->value), MOH_RANDOMIZE);
            else if (!strcasecmp(tmp->name, "sort") && !strcasecmp(tmp->value, "random"))
               ast_set_flag(mohclass, MOH_RANDOMIZE);
            else if (!strcasecmp(tmp->name, "sort") && !strcasecmp(tmp->value, "alpha")) 
               ast_set_flag(mohclass, MOH_SORTALPHA);
            else if (!strcasecmp(tmp->name, "format")) {
               mohclass->format = ast_getformatbyname(tmp->value);
               if (!mohclass->format) {
                  ast_log(LOG_WARNING, "Unknown format '%s' -- defaulting to SLIN\n", tmp->value);
                  mohclass->format = AST_FORMAT_SLINEAR;
               }
            }
         }
         ast_variables_destroy(var);
         if (ast_strlen_zero(mohclass->dir)) {
            if (!strcasecmp(mohclass->mode, "custom")) {
               strcpy(mohclass->dir, "nodir");
            } else {
               ast_log(LOG_WARNING, "A directory must be specified for class '%s'!\n", mohclass->name);
               mohclass = mohclass_unref(mohclass);
               return -1;
            }
         }
         if (ast_strlen_zero(mohclass->mode)) {
            ast_log(LOG_WARNING, "A mode must be specified for class '%s'!\n", mohclass->name);
            mohclass = mohclass_unref(mohclass);
            return -1;
         }
         if (ast_strlen_zero(mohclass->args) && !strcasecmp(mohclass->mode, "custom")) {
            ast_log(LOG_WARNING, "An application must be specified for class '%s'!\n", mohclass->name);
            mohclass = mohclass_unref(mohclass);
            return -1;
         }

         if (ast_test_flag(global_flags, MOH_CACHERTCLASSES)) {
            /* CACHERTCLASSES enabled, let's add this class to default tree */
            if (state && state->class) {
               /* Class already exist for this channel */
               ast_log(LOG_NOTICE, "This channel already has a MOH class attached (%s)!\n", state->class->name);
               if (state->class->realtime && !ast_test_flag(global_flags, MOH_CACHERTCLASSES) && !strcasecmp(mohclass->name, state->class->name)) {
                  /* we found RT class with the same name, seems like we should continue playing existing one */
                  mohclass = mohclass_unref(mohclass);
                  mohclass = state->class;
               }
            }
            /* We don't want moh_register to unref the mohclass because we do it at the end of this function as well.
             * If we allowed moh_register to unref the mohclass,too, then the count would be off by one. The result would
             * be that the destructor would be called when the generator on the channel is deactivated. The container then
             * has a pointer to a freed mohclass, so any operations involving the mohclass container would result in reading
             * invalid memory.
             */
            moh_register(mohclass, 0, 0);
         } else {
            /* We don't register RT moh class, so let's init it manualy */

            time(&mohclass->start);
            mohclass->start -= respawn_time;
   
            if (!strcasecmp(mohclass->mode, "files")) {
               if (!moh_scan_files(mohclass)) {
                  mohclass = mohclass_unref(mohclass);
                  return -1;
               }
               if (strchr(mohclass->args, 'r'))
                  ast_set_flag(mohclass, MOH_RANDOMIZE);
            } else if (!strcasecmp(mohclass->mode, "mp3") || !strcasecmp(mohclass->mode, "mp3nb") || !strcasecmp(mohclass->mode, "quietmp3") || !strcasecmp(mohclass->mode, "quietmp3nb") || !strcasecmp(mohclass->mode, "httpmp3") || !strcasecmp(mohclass->mode, "custom")) {

               if (!strcasecmp(mohclass->mode, "custom"))
                  ast_set_flag(mohclass, MOH_CUSTOM);
               else if (!strcasecmp(mohclass->mode, "mp3nb"))
                  ast_set_flag(mohclass, MOH_SINGLE);
               else if (!strcasecmp(mohclass->mode, "quietmp3nb"))
                  ast_set_flag(mohclass, MOH_SINGLE | MOH_QUIET);
               else if (!strcasecmp(mohclass->mode, "quietmp3"))
                  ast_set_flag(mohclass, MOH_QUIET);
         
               mohclass->srcfd = -1;
#ifdef HAVE_DAHDI
               /* Open /dev/dahdi/pseudo for timing...  Is
                  there a better, yet reliable way to do this? */
               mohclass->pseudofd = open("/dev/dahdi/pseudo", O_RDONLY);
               if (mohclass->pseudofd < 0) {
                  ast_log(LOG_WARNING, "Unable to open pseudo channel for timing...  Sound may be choppy.\n");
               } else {
                  int x = 320;
                  ioctl(mohclass->pseudofd, DAHDI_SET_BLOCKSIZE, &x);
               }
#else
               mohclass->pseudofd = -1;
#endif
               /* Let's check if this channel already had a moh class before */
               if (state && state->class) {
                  /* Class already exist for this channel */
                  ast_log(LOG_NOTICE, "This channel already has a MOH class attached (%s)!\n", state->class->name);
                  if (state->class->realtime && !ast_test_flag(global_flags, MOH_CACHERTCLASSES) && !strcasecmp(mohclass->name, state->class->name)) {
                     /* we found RT class with the same name, seems like we should continue playing existing one */
                     mohclass = mohclass_unref(mohclass);
                     mohclass = state->class;
                  }
               } else {
                  if (ast_pthread_create_background(&mohclass->thread, NULL, monmp3thread, mohclass)) {
                     ast_log(LOG_WARNING, "Unable to create moh...\n");
                     if (mohclass->pseudofd > -1) {
                        close(mohclass->pseudofd);
                        mohclass->pseudofd = -1;
                     }
                     mohclass = mohclass_unref(mohclass);
                     return -1;
                  }
               }
            } else {
               ast_log(LOG_WARNING, "Don't know how to do a mode '%s' music on hold\n", mohclass->mode);
               mohclass = mohclass_unref(mohclass);
               return -1;
            }
         }
      } else {
         ast_variables_destroy(var);
      }
   }

   if (!mohclass) {
      return -1;
   }

   ast_set_flag(chan, AST_FLAG_MOH);

   if (mohclass->total_files) {
      res = ast_activate_generator(chan, &moh_file_stream, mohclass);
   } else {
      res = ast_activate_generator(chan, &mohgen, mohclass);
   }

   mohclass = mohclass_unref(mohclass);

   return res;
}

static void local_ast_moh_stop

(

struct ast_channel *

chan

)

[static]

Definition at line 1353 of file res_musiconhold.c.

References ast_clear_flag, ast_closestream(), ast_deactivate_generator(), AST_FLAG_MOH, ast_channel::music_state, and ast_channel::stream.

Referenced by load_module().

{
   struct moh_files_state *state = chan->music_state;
   ast_clear_flag(chan, AST_FLAG_MOH);
   ast_deactivate_generator(chan);

   if (state) {
      if (chan->stream) {
         ast_closestream(chan->stream);
         chan->stream = NULL;
      }
   }
}

static int moh_add_file	(	struct mohclass *	class,
		const char *	filepath
	)			[static]

Definition at line 882 of file res_musiconhold.c.

References ast_calloc, ast_realloc, ast_strdup, and INITIAL_NUM_FILES.

Referenced by moh_scan_files().

{
   if (!class->allowed_files) {
      if (!(class->filearray = ast_calloc(1, INITIAL_NUM_FILES * sizeof(*class->filearray))))
         return -1;
      class->allowed_files = INITIAL_NUM_FILES;
   } else if (class->total_files == class->allowed_files) {
      if (!(class->filearray = ast_realloc(class->filearray, class->allowed_files * sizeof(*class->filearray) * 2))) {
         class->allowed_files = 0;
         class->total_files = 0;
         return -1;
      }
      class->allowed_files *= 2;
   }

   if (!(class->filearray[class->total_files] = ast_strdup(filepath)))
      return -1;

   class->total_files++;

   return 0;
}

static void* moh_alloc	(	struct ast_channel *	chan,
		void *	params
	)			[static]

Definition at line 818 of file res_musiconhold.c.

References ast_calloc, ast_codec2str(), ast_log(), ast_set_write_format(), ast_verb, moh_files_state::class, mohclass::format, LOG_WARNING, moh_release(), mohalloc(), ast_channel::music_state, mohclass::name, ast_channel::name, mohdata::origwfmt, and ast_channel::writeformat.

{
   struct mohdata *res;
   struct mohclass *class = params;
   struct moh_files_state *state;

   /* Initiating music_state for current channel. Channel should know name of moh class */
   if (!chan->music_state && (state = ast_calloc(1, sizeof(*state)))) {
      chan->music_state = state;
      state->class = class;
   } else
      state = chan->music_state;
   if (state && state->class != class) {
      memset(state, 0, sizeof(*state));
      state->class = class;
   }

   if ((res = mohalloc(class))) {
      res->origwfmt = chan->writeformat;
      if (ast_set_write_format(chan, class->format)) {
         ast_log(LOG_WARNING, "Unable to set channel '%s' to format '%s'\n", chan->name, ast_codec2str(class->format));
         moh_release(NULL, res);
         res = NULL;
      }
      ast_verb(3, "Started music on hold, class '%s', on channel '%s'\n", class->name, chan->name);
   }
   return res;
}

static int moh_class_cmp	(	void *	obj,
		void *	arg,
		int	flags
	)			[static]

Definition at line 1655 of file res_musiconhold.c.

References CMP_MATCH, and CMP_STOP.

Referenced by load_module().

{
   struct mohclass *class = obj, *class2 = arg;

   return strcasecmp(class->name, class2->name) ? 0 : CMP_MATCH | CMP_STOP;
}

static void moh_class_destructor

(

void *

obj

)

[static]

Definition at line 1367 of file res_musiconhold.c.

References ast_debug, AST_LIST_REMOVE_HEAD, ast_log(), AST_PTHREADT_NULL, ast_wait_for_input(), buff, free, LOG_DEBUG, and mohclass::pid.

Referenced by moh_class_malloc().

{
   struct mohclass *class = obj;
   struct mohdata *member;

   ast_debug(1, "Destroying MOH class '%s'\n", class->name);

   if (class->pid > 1) {
      char buff[8192];
      int bytes, tbytes = 0, stime = 0, pid = 0;

      ast_log(LOG_DEBUG, "killing %d!\n", class->pid);

      stime = time(NULL) + 2;
      pid = class->pid;
      class->pid = 0;

      /* Back when this was just mpg123, SIGKILL was fine.  Now we need
       * to give the process a reason and time enough to kill off its
       * children. */
      killpg(pid, SIGHUP);
      usleep(100000);
      killpg(pid, SIGTERM);
      usleep(100000);
      killpg(pid, SIGKILL);

      while ((ast_wait_for_input(class->srcfd, 100) > 0) && 
            (bytes = read(class->srcfd, buff, 8192)) && time(NULL) < stime) {
         tbytes = tbytes + bytes;
      }

      ast_log(LOG_DEBUG, "mpg123 pid %d and child died after %d bytes read\n", pid, tbytes);

      close(class->srcfd);
   }

   while ((member = AST_LIST_REMOVE_HEAD(&class->members, list))) {
      free(member);
   }

   if (class->thread) {
      pthread_cancel(class->thread);
      pthread_join(class->thread, NULL);
      class->thread = AST_PTHREADT_NULL;
   }

   if (class->filearray) {
      int i;
      for (i = 0; i < class->total_files; i++) {
         free(class->filearray[i]);
      }
      free(class->filearray);
      class->filearray = NULL;
   }
}

static int moh_class_hash	(	const void *	obj,
		const int	flags
	)			[static]

Definition at line 1648 of file res_musiconhold.c.

References ast_str_case_hash().

Referenced by load_module().

{
   const struct mohclass *class = obj;

   return ast_str_case_hash(class->name);
}

static int moh_class_inuse	(	void *	obj,
		void *	arg,
		int	flags
	)			[static]

Definition at line 1703 of file res_musiconhold.c.

References AST_LIST_EMPTY, CMP_MATCH, and CMP_STOP.

Referenced by unload_module().

{
   struct mohclass *class = obj;

   return AST_LIST_EMPTY(&class->members) ? 0 : CMP_MATCH | CMP_STOP;
}

static struct mohclass* moh_class_malloc

(

void

)

[static, read]

Definition at line 1139 of file res_musiconhold.c.

References ao2_alloc(), AST_FORMAT_SLINEAR, mohclass::format, and moh_class_destructor().

Referenced by load_moh_classes(), and local_ast_moh_start().

{
   struct mohclass *class;

   if ((class = ao2_alloc(sizeof(*class), moh_class_destructor))) {
      class->format = AST_FORMAT_SLINEAR;
   }

   return class;
}

static int moh_class_mark	(	void *	obj,
		void *	arg,
		int	flags
	)			[static]

Definition at line 1423 of file res_musiconhold.c.

Referenced by load_moh_classes().

{
   struct mohclass *class = obj;

   class->delete = 1;

   return 0;
}

static int moh_classes_delete_marked	(	void *	obj,
		void *	arg,
		int	flags
	)			[static]

Definition at line 1432 of file res_musiconhold.c.

References CMP_MATCH.

Referenced by load_moh_classes().

{
   struct mohclass *class = obj;

   return class->delete ? CMP_MATCH : 0;
}

static int moh_diff	(	struct mohclass *	old,
		struct mohclass *	new
	)			[static]

Definition at line 1016 of file res_musiconhold.c.

References mohclass::args, mohclass::dir, mohclass::flags, and mohclass::mode.

Referenced by moh_register().

{
   if (!old || !new) {
      return -1;
   }

   if (strcmp(old->dir, new->dir)) {
      return -1;
   } else if (strcmp(old->mode, new->mode)) {
      return -1;
   } else if (strcmp(old->args, new->args)) {
      return -1;
   } else if (old->flags != new->flags) {
      return -1;
   }

   return 0;
}

static int moh_digit_match	(	void *	obj,
		void *	arg,
		int	flags
	)			[static]

Definition at line 343 of file res_musiconhold.c.

References CMP_MATCH, CMP_STOP, and mohclass::digit.

Referenced by get_mohbydigit().

{
   char *digit = arg;
   struct mohclass *class = obj;

   return (*digit == class->digit) ? CMP_MATCH | CMP_STOP : 0;
}

static void* moh_files_alloc	(	struct ast_channel *	chan,
		void *	params
	)			[static]

Definition at line 313 of file res_musiconhold.c.

References ast_calloc, ast_random(), ast_test_flag, ast_verb, moh_files_state::class, MOH_RANDOMIZE, mohclass_ref, ast_channel::music_state, ast_channel::name, moh_files_state::origwfmt, moh_files_state::pos, and ast_channel::writeformat.

{
   struct moh_files_state *state;
   struct mohclass *class = params;

   if (!chan->music_state && (state = ast_calloc(1, sizeof(*state)))) {
      chan->music_state = state;
   } else {
      state = chan->music_state;
   }

   if (!state) {
      return NULL;
   }

   if (state->class != class) {
      memset(state, 0, sizeof(*state));
      if (ast_test_flag(class, MOH_RANDOMIZE) && class->total_files) {
         state->pos = ast_random() % class->total_files;
      }
   }

   state->class = mohclass_ref(class);
   state->origwfmt = chan->writeformat;

   ast_verb(3, "Started music on hold, class '%s', on %s\n", class->name, chan->name);
   
   return chan->music_state;
}

static int moh_files_generator	(	struct ast_channel *	chan,
		void *	data,
		int	len,
		int	samples
	)			[static]

Definition at line 289 of file res_musiconhold.c.

References ast_frfree, ast_log(), ast_write(), errno, f, LOG_WARNING, moh_files_readframe(), ast_channel::music_state, ast_channel::name, moh_files_state::sample_queue, ast_frame::samples, and moh_files_state::samples.

{
   struct moh_files_state *state = chan->music_state;
   struct ast_frame *f = NULL;
   int res = 0;

   state->sample_queue += samples;

   while (state->sample_queue > 0) {
      if ((f = moh_files_readframe(chan))) {
         state->samples += f->samples;
         state->sample_queue -= f->samples;
         res = ast_write(chan, f);
         ast_frfree(f);
         if (res < 0) {
            ast_log(LOG_WARNING, "Failed to write frame to '%s': %s\n", chan->name, strerror(errno));
            return -1;
         }
      } else
         return -1;  
   }
   return res;
}

static struct ast_frame* moh_files_readframe

(

struct ast_channel *

chan

)

[static, read]

Definition at line 277 of file res_musiconhold.c.

References ast_moh_files_next(), ast_readframe(), f, and ast_channel::stream.

Referenced by moh_files_generator().

{
   struct ast_frame *f = NULL;
   
   if (!(chan->stream && (f = ast_readframe(chan->stream)))) {
      if (!ast_moh_files_next(chan))
         f = ast_readframe(chan->stream);
   }

   return f;
}

static void moh_files_release	(	struct ast_channel *	chan,
		void *	data
	)			[static]

Definition at line 194 of file res_musiconhold.c.

References ast_closestream(), ast_log(), ast_set_write_format(), ast_verbose(), moh_files_state::class, LOG_WARNING, mohclass_unref, ast_channel::music_state, ast_channel::name, option_verbose, moh_files_state::origwfmt, moh_files_state::pos, moh_files_state::save_pos, ast_channel::stream, and VERBOSE_PREFIX_3.

{
   struct moh_files_state *state;

   if (!chan || !chan->music_state) {
      return;
   }

   state = chan->music_state;

   if (chan->stream) {
      ast_closestream(chan->stream);
      chan->stream = NULL;
   }
   
   if (option_verbose > 2) {
      ast_verbose(VERBOSE_PREFIX_3 "Stopped music on hold on %s\n", chan->name);
   }

   if (state->origwfmt && ast_set_write_format(chan, state->origwfmt)) {
      ast_log(LOG_WARNING, "Unable to restore channel '%s' to format '%d'\n", chan->name, state->origwfmt);
   }

   state->save_pos = state->pos;

   mohclass_unref(state->class);
}

static int moh_generate	(	struct ast_channel *	chan,
		void *	data,
		int	len,
		int	samples
	)			[static]

Definition at line 847 of file res_musiconhold.c.

References ast_codec_get_len(), ast_codec_get_samples(), AST_FRIENDLY_OFFSET, ast_log(), ast_write(), buf, ast_frame::data, ast_frame::datalen, errno, mohdata::f, mohclass::format, LOG_WARNING, moh, ast_channel::name, mohdata::parent, mohdata::pipe, and ast_frame::samples.

{
   struct mohdata *moh = data;
   short buf[1280 + AST_FRIENDLY_OFFSET / 2];
   int res;

   len = ast_codec_get_len(moh->parent->format, samples);

   if (len > sizeof(buf) - AST_FRIENDLY_OFFSET) {
      ast_log(LOG_WARNING, "Only doing %d of %d requested bytes on %s\n", (int)sizeof(buf), len, chan->name);
      len = sizeof(buf) - AST_FRIENDLY_OFFSET;
   }
   res = read(moh->pipe[0], buf + AST_FRIENDLY_OFFSET/2, len);
   if (res <= 0)
      return 0;

   moh->f.datalen = res;
   moh->f.data = buf + AST_FRIENDLY_OFFSET / 2;
   moh->f.samples = ast_codec_get_samples(&moh->f);

   if (ast_write(chan, &moh->f) < 0) {
      ast_log(LOG_WARNING, "Failed to write frame to '%s': %s\n", chan->name, strerror(errno));
      return -1;
   }

   return 0;
}

static void moh_handle_digit	(	struct ast_channel *	chan,
		char	digit
	)			[static]

Definition at line 357 of file res_musiconhold.c.

References ast_moh_start(), ast_moh_stop(), ast_strdupa, ast_string_field_set, get_mohbydigit(), mohclass_unref, and musicclass.

{
   struct mohclass *class;
   const char *classname = NULL;

   if ((class = get_mohbydigit(digit))) {
      classname = ast_strdupa(class->name);
      class = mohclass_unref(class);
      ast_string_field_set(chan,musicclass,classname);
      ast_moh_stop(chan);
      ast_moh_start(chan, classname, NULL);
   }
}

static int moh_register	(	struct mohclass *	moh,
		int	reload,
		int	unref
	)			[static]

Note:

This function owns the reference it gets to moh

Definition at line 1081 of file res_musiconhold.c.

References ao2_link(), ast_log(), mohclass::delete, get_mohbyname(), init_app_class(), init_files_class(), LOG_WARNING, mohclass::mode, moh_diff(), mohclass_unref, mohclass::name, and mohclass::start.

Referenced by load_moh_classes(), and local_ast_moh_start().

{
   struct mohclass *mohclass = NULL;

   if ((mohclass = get_mohbyname(moh->name, 0)) && !moh_diff(mohclass, moh)) {
      if (!mohclass->delete) {
         ast_log(LOG_WARNING, "Music on Hold class '%s' already exists\n", moh->name);
         mohclass = mohclass_unref(mohclass);
         if (unref) {
            moh = mohclass_unref(moh);
         }
         return -1;
      }
      mohclass = mohclass_unref(mohclass);
   }

   time(&moh->start);
   moh->start -= respawn_time;
   
   if (!strcasecmp(moh->mode, "files")) {
      if (init_files_class(moh)) {
         moh = mohclass_unref(moh);
         return -1;
      }
   } else if (!strcasecmp(moh->mode, "mp3") || !strcasecmp(moh->mode, "mp3nb") || 
         !strcasecmp(moh->mode, "quietmp3") || !strcasecmp(moh->mode, "quietmp3nb") || 
         !strcasecmp(moh->mode, "httpmp3") || !strcasecmp(moh->mode, "custom")) {
      if (init_app_class(moh)) {
         moh = mohclass_unref(moh);
         return -1;
      }
   } else {
      ast_log(LOG_WARNING, "Don't know how to do a mode '%s' music on hold\n", moh->mode);
      moh = mohclass_unref(moh);
      return -1;
   }

   ao2_link(mohclasses, moh);

   if (unref) {
      moh = mohclass_unref(moh);
   }
   
   return 0;
}

static void moh_release	(	struct ast_channel *	chan,
		void *	data
	)			[static]

Definition at line 789 of file res_musiconhold.c.

References ao2_lock(), ao2_unlock(), ast_free, ast_getformatname(), AST_LIST_REMOVE, ast_log(), ast_set_write_format(), ast_verb, LOG_WARNING, mohclass::members, moh, mohclass_unref, ast_channel::name, mohdata::origwfmt, mohdata::parent, and mohdata::pipe.

Referenced by moh_alloc().

{
   struct mohdata *moh = data;
   struct mohclass *class = moh->parent;
   int oldwfmt;

   ao2_lock(class);
   AST_LIST_REMOVE(&moh->parent->members, moh, list); 
   ao2_unlock(class);
   
   close(moh->pipe[0]);
   close(moh->pipe[1]);

   oldwfmt = moh->origwfmt;

   moh->parent = class = mohclass_unref(class);

   ast_free(moh);

   if (chan) {
      if (oldwfmt && ast_set_write_format(chan, oldwfmt)) {
         ast_log(LOG_WARNING, "Unable to restore channel '%s' to format %s\n",
               chan->name, ast_getformatname(oldwfmt));
      }

      ast_verb(3, "Stopped music on hold on %s\n", chan->name);
   }
}

static int moh_scan_files

(

struct mohclass *

class

)

[static]

Definition at line 915 of file res_musiconhold.c.

References ast_free, ast_log(), ast_test_flag, errno, ext, LOG_WARNING, moh_add_file(), moh_sort_compare(), and MOH_SORTALPHA.

Referenced by init_files_class(), and local_ast_moh_start().

                                                  {

   DIR *files_DIR;
   struct dirent *files_dirent;
   char path[PATH_MAX];
   char filepath[PATH_MAX];
   char *ext;
   struct stat statbuf;
   int dirnamelen;
   int i;

   files_DIR = opendir(class->dir);
   if (!files_DIR) {
      ast_log(LOG_WARNING, "Cannot open dir %s or dir does not exist\n", class->dir);
      return -1;
   }

   for (i = 0; i < class->total_files; i++)
      ast_free(class->filearray[i]);

   class->total_files = 0;
   dirnamelen = strlen(class->dir) + 2;
   if (!getcwd(path, sizeof(path))) {
      ast_log(LOG_WARNING, "getcwd() failed: %s\n", strerror(errno));
      return -1;
   }
   if (chdir(class->dir) < 0) {
      ast_log(LOG_WARNING, "chdir() failed: %s\n", strerror(errno));
      return -1;
   }
   while ((files_dirent = readdir(files_DIR))) {
      /* The file name must be at least long enough to have the file type extension */
      if ((strlen(files_dirent->d_name) < 4))
         continue;

      /* Skip files that starts with a dot */
      if (files_dirent->d_name[0] == '.')
         continue;

      /* Skip files without extensions... they are not audio */
      if (!strchr(files_dirent->d_name, '.'))
         continue;

      snprintf(filepath, sizeof(filepath), "%s/%s", class->dir, files_dirent->d_name);

      if (stat(filepath, &statbuf))
         continue;

      if (!S_ISREG(statbuf.st_mode))
         continue;

      if ((ext = strrchr(filepath, '.')))
         *ext = '\0';

      /* if the file is present in multiple formats, ensure we only put it into the list once */
      for (i = 0; i < class->total_files; i++)
         if (!strcmp(filepath, class->filearray[i]))
            break;

      if (i == class->total_files) {
         if (moh_add_file(class, filepath))
            break;
      }
   }

   closedir(files_DIR);
   if (chdir(path) < 0) {
      ast_log(LOG_WARNING, "chdir() failed: %s\n", strerror(errno));
      return -1;
   }
   if (ast_test_flag(class, MOH_SORTALPHA))
      qsort(&class->filearray[0], class->total_files, sizeof(char *), moh_sort_compare);
   return class->total_files;
}

static int moh_sort_compare	(	const void *	i1,
		const void *	i2
	)			[static]

Definition at line 905 of file res_musiconhold.c.

Referenced by moh_scan_files().

{
   char *s1, *s2;

   s1 = ((char **)i1)[0];
   s2 = ((char **)i2)[0];

   return strcasecmp(s1, s2);
}

static struct mohdata* mohalloc

(

struct mohclass *

cl

)

[static, read]

Definition at line 756 of file res_musiconhold.c.

References ao2_lock(), ao2_unlock(), ast_calloc, AST_FRAME_VOICE, ast_free, AST_FRIENDLY_OFFSET, AST_LIST_INSERT_HEAD, ast_log(), errno, mohdata::f, mohclass::flags, mohclass::format, ast_frame::frametype, LOG_WARNING, mohclass::members, moh, mohclass_ref, ast_frame::offset, mohdata::parent, mohdata::pipe, and ast_frame::subclass.

Referenced by moh_alloc().

{
   struct mohdata *moh;
   long flags; 
   
   if (!(moh = ast_calloc(1, sizeof(*moh))))
      return NULL;
   
   if (pipe(moh->pipe)) {
      ast_log(LOG_WARNING, "Failed to create pipe: %s\n", strerror(errno));
      ast_free(moh);
      return NULL;
   }

   /* Make entirely non-blocking */
   flags = fcntl(moh->pipe[0], F_GETFL);
   fcntl(moh->pipe[0], F_SETFL, flags | O_NONBLOCK);
   flags = fcntl(moh->pipe[1], F_GETFL);
   fcntl(moh->pipe[1], F_SETFL, flags | O_NONBLOCK);

   moh->f.frametype = AST_FRAME_VOICE;
   moh->f.subclass = cl->format;
   moh->f.offset = AST_FRIENDLY_OFFSET;

   moh->parent = mohclass_ref(cl);

   ao2_lock(cl);
   AST_LIST_INSERT_HEAD(&cl->members, moh, list);
   ao2_unlock(cl);
   
   return moh;
}

static void* monmp3thread

(

void *

data

)

[static]

Definition at line 545 of file res_musiconhold.c.

References ao2_lock(), ao2_unlock(), ast_codec_get_len(), ast_debug, AST_LIST_EMPTY, AST_LIST_TRAVERSE, ast_log(), ast_samp2tv(), ast_tvadd(), ast_tvdiff_ms(), ast_tvnow(), ast_tvzero(), buf, len(), LOG_NOTICE, LOG_WARNING, moh, MOH_MS_INTERVAL, mohdata::pipe, and spawn_mp3().

Referenced by init_app_class(), and local_ast_moh_start().

{
#define  MOH_MS_INTERVAL      100

   struct mohclass *class = data;
   struct mohdata *moh;
   char buf[8192];
   short sbuf[8192];
   int res, res2;
   int len;
   struct timeval tv, tv_tmp;

   tv.tv_sec = 0;
   tv.tv_usec = 0;
   for(;/* ever */;) {
      pthread_testcancel();
      /* Spawn mp3 player if it's not there */
      if (class->srcfd < 0) {
         if ((class->srcfd = spawn_mp3(class)) < 0) {
            ast_log(LOG_WARNING, "Unable to spawn mp3player\n");
            /* Try again later */
            sleep(500);
            pthread_testcancel();
         }
      }
      if (class->pseudofd > -1) {
#ifdef SOLARIS
         thr_yield();
#endif
         /* Pause some amount of time */
         res = read(class->pseudofd, buf, sizeof(buf));
         pthread_testcancel();
      } else {
         long delta;
         /* Reliable sleep */
         tv_tmp = ast_tvnow();
         if (ast_tvzero(tv))
            tv = tv_tmp;
         delta = ast_tvdiff_ms(tv_tmp, tv);
         if (delta < MOH_MS_INTERVAL) {   /* too early */
            tv = ast_tvadd(tv, ast_samp2tv(MOH_MS_INTERVAL, 1000));  /* next deadline */
            usleep(1000 * (MOH_MS_INTERVAL - delta));
            pthread_testcancel();
         } else {
            ast_log(LOG_NOTICE, "Request to schedule in the past?!?!\n");
            tv = tv_tmp;
         }
         res = 8 * MOH_MS_INTERVAL; /* 8 samples per millisecond */
      }
      if ((strncasecmp(class->dir, "http://", 7) && strcasecmp(class->dir, "nodir")) && AST_LIST_EMPTY(&class->members))
         continue;
      /* Read mp3 audio */
      len = ast_codec_get_len(class->format, res);

      if ((res2 = read(class->srcfd, sbuf, len)) != len) {
         if (!res2) {
            close(class->srcfd);
            class->srcfd = -1;
            pthread_testcancel();
            if (class->pid > 1) {
               killpg(class->pid, SIGHUP);
               usleep(100000);
               killpg(class->pid, SIGTERM);
               usleep(100000);
               killpg(class->pid, SIGKILL);
               class->pid = 0;
            }
         } else {
            ast_debug(1, "Read %d bytes of audio while expecting %d\n", res2, len);
         }
         continue;
      }

      pthread_testcancel();

      ao2_lock(class);
      AST_LIST_TRAVERSE(&class->members, moh, list) {
         /* Write data */
         if ((res = write(moh->pipe[1], sbuf, res2)) != res2) {
            ast_debug(1, "Only wrote %d of %d bytes to pipe\n", res, res2);
         }
      }
      ao2_unlock(class);
   }
   return NULL;
}

static int play_moh_exec	(	struct ast_channel *	chan,
		void *	data
	)			[static]

Definition at line 632 of file res_musiconhold.c.

References mohclass::args, AST_APP_ARG, AST_DECLARE_APP_ARGS, ast_log(), ast_moh_start(), ast_moh_stop(), ast_safe_sleep(), AST_STANDARD_APP_ARGS, ast_strdupa, ast_strlen_zero(), LOG_WARNING, ast_channel::name, parse(), and S_OR.

Referenced by load_module().

{
   char *parse;
   char *class;
   int timeout = -1;
   int res;
   AST_DECLARE_APP_ARGS(args,
      AST_APP_ARG(class);
      AST_APP_ARG(duration);
   );

   parse = ast_strdupa(data);

   AST_STANDARD_APP_ARGS(args, parse);

   if (!ast_strlen_zero(args.duration)) {
      if (sscanf(args.duration, "%30d", &timeout) == 1) {
         timeout *= 1000;
      } else {
         ast_log(LOG_WARNING, "Invalid MusicOnHold duration '%s'. Will wait indefinitely.\n", args.duration);
      }
   }

   class = S_OR(args.class, NULL);
   if (ast_moh_start(chan, class, NULL)) {
      ast_log(LOG_WARNING, "Unable to start music on hold class '%s' on channel %s\n", class, chan->name);
      return 0;
   }

   if (timeout > 0)
      res = ast_safe_sleep(chan, timeout);
   else {
      while (!(res = ast_safe_sleep(chan, 10000)));
   }

   ast_moh_stop(chan);

   return res;
}

static int reload

(

void

)

[static]

static int set_moh_exec	(	struct ast_channel *	chan,
		void *	data
	)			[static]

Definition at line 695 of file res_musiconhold.c.

References ast_log(), ast_string_field_set, ast_strlen_zero(), LOG_WARNING, and musicclass.

Referenced by load_module().

{
   static int deprecation_warning = 0;

   if (!deprecation_warning) {
      deprecation_warning = 1;
      ast_log(LOG_WARNING, "SetMusicOnHold application is deprecated and will be removed. Use Set(CHANNEL(musicclass)=...) instead\n");
   }

   if (ast_strlen_zero(data)) {
      ast_log(LOG_WARNING, "SetMusicOnHold requires an argument (class)\n");
      return -1;
   }
   ast_string_field_set(chan, musicclass, data);
   return 0;
}

static int spawn_mp3

(

struct mohclass *

class

)

[static]

Definition at line 379 of file res_musiconhold.c.

References ast_copy_string(), ast_log(), ast_opt_high_priority, ast_set_priority(), ast_strlen_zero(), ast_test_flag, mohclass::dir, errno, LOCAL_MPG_123, LOG_WARNING, MAX_MP3S, MOH_CUSTOM, MOH_QUIET, MOH_SINGLE, MPG_123, and strsep().

Referenced by monmp3thread().

{
   int fds[2];
   int files = 0;
   char fns[MAX_MP3S][80];
   char *argv[MAX_MP3S + 50];
   char xargs[256];
   char *argptr;
   int argc = 0;
   DIR *dir = NULL;
   struct dirent *de;
   sigset_t signal_set, old_set;

   
   if (!strcasecmp(class->dir, "nodir")) {
      files = 1;
   } else {
      dir = opendir(class->dir);
      if (!dir && strncasecmp(class->dir, "http://", 7)) {
         ast_log(LOG_WARNING, "%s is not a valid directory\n", class->dir);
         return -1;
      }
   }

   if (!ast_test_flag(class, MOH_CUSTOM)) {
      argv[argc++] = "mpg123";
      argv[argc++] = "-q";
      argv[argc++] = "-s";
      argv[argc++] = "--mono";
      argv[argc++] = "-r";
      argv[argc++] = "8000";
      
      if (!ast_test_flag(class, MOH_SINGLE)) {
         argv[argc++] = "-b";
         argv[argc++] = "2048";
      }
      
      argv[argc++] = "-f";
      
      if (ast_test_flag(class, MOH_QUIET))
         argv[argc++] = "4096";
      else
         argv[argc++] = "8192";
      
      /* Look for extra arguments and add them to the list */
      ast_copy_string(xargs, class->args, sizeof(xargs));
      argptr = xargs;
      while (!ast_strlen_zero(argptr)) {
         argv[argc++] = argptr;
         strsep(&argptr, ",");
      }
   } else  {
      /* Format arguments for argv vector */
      ast_copy_string(xargs, class->args, sizeof(xargs));
      argptr = xargs;
      while (!ast_strlen_zero(argptr)) {
         argv[argc++] = argptr;
         strsep(&argptr, " ");
      }
   }

   if (!strncasecmp(class->dir, "http://", 7)) {
      ast_copy_string(fns[files], class->dir, sizeof(fns[files]));
      argv[argc++] = fns[files];
      files++;
   } else if (dir) {
      while ((de = readdir(dir)) && (files < MAX_MP3S)) {
         if ((strlen(de->d_name) > 3) && 
             ((ast_test_flag(class, MOH_CUSTOM) && 
               (!strcasecmp(de->d_name + strlen(de->d_name) - 4, ".raw") || 
                !strcasecmp(de->d_name + strlen(de->d_name) - 4, ".sln"))) ||
              !strcasecmp(de->d_name + strlen(de->d_name) - 4, ".mp3"))) {
            ast_copy_string(fns[files], de->d_name, sizeof(fns[files]));
            argv[argc++] = fns[files];
            files++;
         }
      }
   }
   argv[argc] = NULL;
   if (dir) {
      closedir(dir);
   }
   if (pipe(fds)) {  
      ast_log(LOG_WARNING, "Pipe failed\n");
      return -1;
   }
   if (!files) {
      ast_log(LOG_WARNING, "Found no files in '%s'\n", class->dir);
      close(fds[0]);
      close(fds[1]);
      return -1;
   }
   if (!strncasecmp(class->dir, "http://", 7) && time(NULL) - class->start < respawn_time) {
      sleep(respawn_time - (time(NULL) - class->start));
   }

   /* Block signals during the fork() */
   sigfillset(&signal_set);
   pthread_sigmask(SIG_BLOCK, &signal_set, &old_set);

   time(&class->start);
   class->pid = fork();
   if (class->pid < 0) {
      close(fds[0]);
      close(fds[1]);
      ast_log(LOG_WARNING, "Fork failed: %s\n", strerror(errno));
      return -1;
   }
   if (!class->pid) {
      /* Child */
      int x;
#ifdef HAVE_CAP
      cap_t cap;
#endif
      if (strcasecmp(class->dir, "nodir") && chdir(class->dir) < 0) {
         ast_log(LOG_WARNING, "chdir() failed: %s\n", strerror(errno));
         _exit(1);
      }

      if (ast_opt_high_priority)
         ast_set_priority(0);

      /* Reset ignored signals back to default */
      signal(SIGPIPE, SIG_DFL);
      pthread_sigmask(SIG_UNBLOCK, &signal_set, NULL);

#ifdef HAVE_CAP
      cap = cap_from_text("cap_net_admin-eip");

      if (cap_set_proc(cap)) {
         ast_log(LOG_WARNING, "Unable to remove capabilities.\n");
      }
      cap_free(cap);
#endif
      close(fds[0]);
      /* Stdout goes to pipe */
      dup2(fds[1], STDOUT_FILENO);
      /* Close unused file descriptors */
      for (x=3;x<8192;x++) {
         if (-1 != fcntl(x, F_GETFL)) {
            close(x);
         }
      }
      setpgid(0, getpid());

      if (ast_test_flag(class, MOH_CUSTOM)) {
         execv(argv[0], argv);
      } else {
         /* Default install is /usr/local/bin */
         execv(LOCAL_MPG_123, argv);
         /* Many places have it in /usr/bin */
         execv(MPG_123, argv);
         /* Check PATH as a last-ditch effort */
         execvp("mpg123", argv);
      }
      ast_log(LOG_WARNING, "Exec failed: %s\n", strerror(errno));
      close(fds[1]);
      _exit(1);
   } else {
      /* Parent */
      pthread_sigmask(SIG_SETMASK, &old_set, NULL);
      close(fds[1]);
   }
   return fds[0];
}

static int start_moh_exec	(	struct ast_channel *	chan,
		void *	data
	)			[static]

Definition at line 712 of file res_musiconhold.c.

References mohclass::args, AST_APP_ARG, AST_DECLARE_APP_ARGS, ast_log(), ast_moh_start(), AST_STANDARD_APP_ARGS, ast_strdupa, LOG_WARNING, ast_channel::name, parse(), and S_OR.

Referenced by load_module().

{
   char *parse;
   char *class;
   AST_DECLARE_APP_ARGS(args,
      AST_APP_ARG(class);
   );

   parse = ast_strdupa(data);

   AST_STANDARD_APP_ARGS(args, parse);

   class = S_OR(args.class, NULL);
   if (ast_moh_start(chan, class, NULL)) 
      ast_log(LOG_WARNING, "Unable to start music on hold class '%s' on channel %s\n", class, chan->name);

   return 0;
}

static int stop_moh_exec	(	struct ast_channel *	chan,
		void *	data
	)			[static]

Definition at line 731 of file res_musiconhold.c.

References ast_moh_stop().

Referenced by load_module().

{
   ast_moh_stop(chan);

   return 0;
}

static int unload_module

(

void

)

[static]

Definition at line 1710 of file res_musiconhold.c.

References ao2_callback(), ast_cli_unregister_multiple(), ast_log(), ast_moh_destroy(), ast_uninstall_music_functions(), ast_unregister_application(), LOG_WARNING, moh_class_inuse(), and mohclass_unref.

{
   int res = 0;
   struct mohclass *class = NULL;

   /* XXX This check shouldn't be required if module ref counting was being used
    * properly ... */
   if ((class = ao2_callback(mohclasses, 0, moh_class_inuse, NULL))) {
      class = mohclass_unref(class);
      res = -1;
   }

   if (res < 0) {
      ast_log(LOG_WARNING, "Unable to unload res_musiconhold due to active MOH channels\n");
      return res;
   }

   ast_uninstall_music_functions();

   ast_moh_destroy();
   res = ast_unregister_application(play_moh);
   res |= ast_unregister_application(wait_moh);
   res |= ast_unregister_application(set_moh);
   res |= ast_unregister_application(start_moh);
   res |= ast_unregister_application(stop_moh);
   ast_cli_unregister_multiple(cli_moh, sizeof(cli_moh) / sizeof(struct ast_cli_entry));

   return res;
}

static int wait_moh_exec	(	struct ast_channel *	chan,
		void *	data
	)			[static]

Definition at line 672 of file res_musiconhold.c.

References ast_log(), ast_moh_start(), ast_moh_stop(), ast_safe_sleep(), LOG_WARNING, and ast_channel::name.

Referenced by load_module().

{
   static int deprecation_warning = 0;
   int res;

   if (!deprecation_warning) {
      deprecation_warning = 1;
      ast_log(LOG_WARNING, "WaitMusicOnHold application is deprecated and will be removed. Use MusicOnHold with duration parameter instead\n");
   }

   if (!data || !atoi(data)) {
      ast_log(LOG_WARNING, "WaitMusicOnHold requires an argument (number of seconds to wait)\n");
      return -1;
   }
   if (ast_moh_start(chan, NULL, NULL)) {
      ast_log(LOG_WARNING, "Unable to start music on hold for %d seconds on channel %s\n", atoi(data), chan->name);
      return 0;
   }
   res = ast_safe_sleep(chan, atoi(data) * 1000);
   ast_moh_stop(chan);
   return res;
}

---

Variable Documentation

struct ast_module_info __mod_info = { .name = AST_MODULE, .flags = AST_MODFLAG_DEFAULT , .description = "Music On Hold Resource" , .key = "This paragraph is copyright (c) 2006 by Digium, Inc. \In order for your module to load, it must return this \key via a function called \"key\". Any code which \includes this paragraph must be licensed under the GNU \General Public License version 2 or later (at your \option). In addition to Digium's general reservations \of rights, Digium expressly reserves the right to \allow other parties to license this paragraph under \different terms. Any use of Digium, Inc. trademarks or \logos (including \"Asterisk\" or \"Digium\") without \express written permission of Digium, Inc. is prohibited.\n" , .buildopt_sum = AST_BUILDOPT_SUM, .load = load_module, .unload = unload_module, .reload = reload, } [static]

Definition at line 1744 of file res_musiconhold.c.

const struct ast_module_info* ast_module_info = &__mod_info [static]

Definition at line 1744 of file res_musiconhold.c.

struct ast_cli_entry cli_moh[] [static]

Initial value:

 {
   AST_CLI_DEFINE(handle_cli_moh_reload,       "Reload MusicOnHold"),
   AST_CLI_DEFINE(handle_cli_moh_show_classes, "List MusicOnHold classes"),
   AST_CLI_DEFINE(handle_cli_moh_show_files,   "List MusicOnHold file-based classes")
}

Definition at line 1642 of file res_musiconhold.c.

struct ast_flags global_flags[1] = {{0}} [static]

global MOH_ flags

Definition at line 143 of file res_musiconhold.c.

struct ast_generator moh_file_stream [static]

Definition at line 371 of file res_musiconhold.c.

struct ao2_container* mohclasses [static]

Definition at line 183 of file res_musiconhold.c.

struct ast_generator mohgen [static]

Definition at line 875 of file res_musiconhold.c.

char* play_moh = "MusicOnHold" [static]

Definition at line 75 of file res_musiconhold.c.

char* play_moh_desc [static]

Definition at line 87 of file res_musiconhold.c.

char* play_moh_syn = "Play Music On Hold indefinitely" [static]

Definition at line 81 of file res_musiconhold.c.

int respawn_time = 20 [static]

Definition at line 123 of file res_musiconhold.c.

char* set_moh = "SetMusicOnHold" [static]

Definition at line 77 of file res_musiconhold.c.

char* set_moh_desc [static]

Definition at line 105 of file res_musiconhold.c.

char* set_moh_syn = "Set default Music On Hold class" [static]

Definition at line 83 of file res_musiconhold.c.

char* start_moh = "StartMusicOnHold" [static]

Definition at line 78 of file res_musiconhold.c.

char* start_moh_desc [static]

Initial value:

 "  StartMusicOnHold(class):\n"
"Starts playing music on hold, uses default music class for channel.\n"
"Starts playing music specified by class.  If omitted, the default\n"
"music source for the channel will be used.  Always returns 0.\n"

Definition at line 115 of file res_musiconhold.c.

char* start_moh_syn = "Play Music On Hold" [static]

Definition at line 84 of file res_musiconhold.c.

char* stop_moh = "StopMusicOnHold" [static]

Definition at line 79 of file res_musiconhold.c.

char* stop_moh_desc [static]

Initial value:

 "  StopMusicOnHold(): "
"Stops playing music on hold.\n"

Definition at line 120 of file res_musiconhold.c.

char* stop_moh_syn = "Stop Playing Music On Hold" [static]

Definition at line 85 of file res_musiconhold.c.

char* wait_moh = "WaitMusicOnHold" [static]

Definition at line 76 of file res_musiconhold.c.

char* wait_moh_desc [static]

Definition at line 95 of file res_musiconhold.c.

char* wait_moh_syn = "Wait, playing Music On Hold" [static]

Definition at line 82 of file res_musiconhold.c.