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Add an option to the dial API for playing music instead of ringing to the caller.

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I started this for use with SLA but ended up deciding not to use it.  However,
there is no reason not to put this part in, anyway.


git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@61259 65c4cc65-6c06-0410-ace0-fbb531ad65f3
This commit is contained in:
Russell Bryant
2007-04-10 19:16:24 +00:00
parent 9255f350cf
commit ab31bec392
2 changed files with 35 additions and 4 deletions
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1
include/asterisk/dial.h
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@@ -39,6 +39,7 @@ typedef void (*ast_dial_state_callback)(struct ast_dial *);
enum ast_dial_option { enum ast_dial_option {
AST_DIAL_OPTION_RINGING, /*!< Always indicate ringing to caller */ AST_DIAL_OPTION_RINGING, /*!< Always indicate ringing to caller */
AST_DIAL_OPTION_ANSWER_EXEC, /*!< Execute application upon answer in async mode */ AST_DIAL_OPTION_ANSWER_EXEC, /*!< Execute application upon answer in async mode */
AST_DIAL_OPTION_MUSIC, /*!< Play music on hold instead of ringing to the calling channel */
AST_DIAL_OPTION_MAX, /*!< End terminator -- must always remain last */ AST_DIAL_OPTION_MAX, /*!< End terminator -- must always remain last */
}; };

36
main/dial.c
View File

@@ -43,6 +43,7 @@ ASTERISK_FILE_VERSION(__FILE__, "$Revision$")
#include "asterisk/linkedlists.h" #include "asterisk/linkedlists.h"
#include "asterisk/dial.h" #include "asterisk/dial.h"
#include "asterisk/pbx.h" #include "asterisk/pbx.h"
#include "asterisk/musiconhold.h"
/*! \brief Main dialing structure. Contains global options, channels being dialed, and more! */ /*! \brief Main dialing structure. Contains global options, channels being dialed, and more! */
struct ast_dial { struct ast_dial {
@@ -122,6 +123,21 @@ static int answer_exec_disable(void *data)
return 0; return 0;
} }
static void *music_enable(void *data)
{
return ast_strdup(data);
}
static int music_disable(void *data)
{
if (!data)
return -1;
free(data);
return 0;
}
/* Application execution function for 'ANSWER_EXEC' option */ /* Application execution function for 'ANSWER_EXEC' option */
static void answer_exec_run(struct ast_channel *chan, char *app, char *args) static void answer_exec_run(struct ast_channel *chan, char *app, char *args)
{ {
@@ -143,9 +159,10 @@ static const struct ast_option_types {
ast_dial_option_cb_enable enable; ast_dial_option_cb_enable enable;
ast_dial_option_cb_disable disable; ast_dial_option_cb_disable disable;
} option_types[] = { } option_types[] = {
{ AST_DIAL_OPTION_RINGING, NULL, NULL }, /*! Always indicate ringing to caller */ { AST_DIAL_OPTION_RINGING, NULL, NULL }, /*!< Always indicate ringing to caller */
{ AST_DIAL_OPTION_ANSWER_EXEC, answer_exec_enable, answer_exec_disable }, /*! Execute application upon answer in async mode */ { AST_DIAL_OPTION_ANSWER_EXEC, answer_exec_enable, answer_exec_disable }, /*!< Execute application upon answer in async mode */
{ AST_DIAL_OPTION_MAX, NULL, NULL }, /*! Terminator of list */ { AST_DIAL_OPTION_MUSIC, music_enable, music_disable }, /*!< Play music to the caller instead of ringing */
{ AST_DIAL_OPTION_MAX, NULL, NULL }, /*!< Terminator of list */
}; };
/* free the buffer if allocated, and set the pointer to the second arg */ /* free the buffer if allocated, and set the pointer to the second arg */
@@ -324,6 +341,7 @@ static void handle_frame(struct ast_dial *dial, struct ast_dial_channel *channel
case AST_CONTROL_RINGING: case AST_CONTROL_RINGING:
if (option_verbose > 2) if (option_verbose > 2)
ast_verbose(VERBOSE_PREFIX_3 "%s is ringing\n", channel->owner->name); ast_verbose(VERBOSE_PREFIX_3 "%s is ringing\n", channel->owner->name);
if (!dial->options[AST_DIAL_OPTION_MUSIC])
ast_indicate(chan, AST_CONTROL_RINGING); ast_indicate(chan, AST_CONTROL_RINGING);
break; break;
case AST_CONTROL_PROGRESS: case AST_CONTROL_PROGRESS:
@@ -430,6 +448,13 @@ static enum ast_dial_result monitor_dial(struct ast_dial *dial, struct ast_chann
set_state(dial, AST_DIAL_RESULT_RINGING); set_state(dial, AST_DIAL_RESULT_RINGING);
if (chan) if (chan)
ast_indicate(chan, AST_CONTROL_RINGING); ast_indicate(chan, AST_CONTROL_RINGING);
} else if (chan && dial->options[AST_DIAL_OPTION_MUSIC] &&
!ast_strlen_zero(dial->options[AST_DIAL_OPTION_MUSIC])) {
char *original_moh = ast_strdupa(chan->musicclass);
ast_indicate(chan, -1);
ast_string_field_set(chan, musicclass, dial->options[AST_DIAL_OPTION_MUSIC]);
ast_moh_start(chan, dial->options[AST_DIAL_OPTION_MUSIC], NULL);
ast_string_field_set(chan, musicclass, original_moh);
} }
/* Go into an infinite loop while we are trying */ /* Go into an infinite loop while we are trying */
@@ -509,6 +534,11 @@ static enum ast_dial_result monitor_dial(struct ast_dial *dial, struct ast_chann
/* If ANSWER_EXEC is enabled as an option, execute application on answered channel */ /* If ANSWER_EXEC is enabled as an option, execute application on answered channel */
if ((channel = find_relative_dial_channel(dial, who)) && (answer_exec = FIND_RELATIVE_OPTION(dial, channel, AST_DIAL_OPTION_ANSWER_EXEC))) if ((channel = find_relative_dial_channel(dial, who)) && (answer_exec = FIND_RELATIVE_OPTION(dial, channel, AST_DIAL_OPTION_ANSWER_EXEC)))
answer_exec_run(who, answer_exec->app, answer_exec->args); answer_exec_run(who, answer_exec->app, answer_exec->args);
if (chan && dial->options[AST_DIAL_OPTION_MUSIC] &&
!ast_strlen_zero(dial->options[AST_DIAL_OPTION_MUSIC])) {
ast_moh_stop(chan);
}
} else if (dial->state == AST_DIAL_RESULT_HANGUP) { } else if (dial->state == AST_DIAL_RESULT_HANGUP) {
/* Hangup everything */ /* Hangup everything */
AST_LIST_TRAVERSE(&dial->channels, channel, list) { AST_LIST_TRAVERSE(&dial->channels, channel, list) {