mirror of
https://github.com/asterisk/asterisk.git
synced 2025-10-31 10:47:18 +00:00
19069f7db7
* Made BridgeAdd not hangup the call if there is a problem. * Reduced message level from warning to verbose for normal exception cases. * Added a loop safety check to BridgeAdd. * Made BridgeAdd set BRIDGERESULT with the status when dialplan is resumed. Change-Id: I374d39b8a3edcc794eeb5c6b9f31a01424cdc426
145 lines
3.7 KiB
C
145 lines
3.7 KiB
C
/*
|
|
* Asterisk -- An open source telephony toolkit.
|
|
*
|
|
* Copyright (C) 2015, Digium, Inc.
|
|
*
|
|
* Alec Davis <sivad.a@paradise.net.nz>
|
|
*
|
|
* See http://www.asterisk.org for more information about
|
|
* the Asterisk project. Please do not directly contact
|
|
* any of the maintainers of this project for assistance;
|
|
* the project provides a web site, mailing lists and IRC
|
|
* channels for your use.
|
|
*
|
|
* This program is free software, distributed under the terms of
|
|
* the GNU General Public License Version 2. See the LICENSE file
|
|
* at the top of the source tree.
|
|
*/
|
|
|
|
/*! \file
|
|
*
|
|
* \brief Application to place the channel into an existing Bridge
|
|
*
|
|
* \author Alec Davis
|
|
*
|
|
* \ingroup applications
|
|
*/
|
|
|
|
/*** MODULEINFO
|
|
<support_level>core</support_level>
|
|
***/
|
|
|
|
#include "asterisk.h"
|
|
|
|
#include "asterisk/file.h"
|
|
#include "asterisk/module.h"
|
|
#include "asterisk/channel.h"
|
|
#include "asterisk/bridge.h"
|
|
#include "asterisk/features.h"
|
|
|
|
/*** DOCUMENTATION
|
|
<application name="BridgeAdd" language="en_US">
|
|
<synopsis>
|
|
Join a bridge that contains the specified channel.
|
|
</synopsis>
|
|
<syntax>
|
|
<parameter name="channel" required="true">
|
|
<para>The current channel joins the bridge containing the channel
|
|
identified by the channel name, channel name prefix, or channel
|
|
uniqueid.</para>
|
|
</parameter>
|
|
</syntax>
|
|
<description>
|
|
<para>This application places the incoming channel into
|
|
the bridge containing the specified channel. The specified
|
|
channel only needs to be the prefix of a full channel name
|
|
IE. 'PJSIP/cisco0001'.
|
|
</para>
|
|
<para>This application sets the following channel variable upon completion:</para>
|
|
<variablelist>
|
|
<variable name="BRIDGERESULT">
|
|
<para>The result of the bridge attempt as a text string.</para>
|
|
<value name="SUCCESS" />
|
|
<value name="FAILURE" />
|
|
<value name="LOOP" />
|
|
<value name="NONEXISTENT" />
|
|
</variable>
|
|
</variablelist>
|
|
</description>
|
|
</application>
|
|
***/
|
|
|
|
static const char app[] = "BridgeAdd";
|
|
|
|
static int bridgeadd_exec(struct ast_channel *chan, const char *data)
|
|
{
|
|
struct ast_channel *c_ref;
|
|
struct ast_bridge_features chan_features;
|
|
struct ast_bridge *bridge;
|
|
char *c_name;
|
|
int failed;
|
|
|
|
/* Answer the channel if needed */
|
|
if (ast_channel_state(chan) != AST_STATE_UP) {
|
|
ast_answer(chan);
|
|
}
|
|
|
|
if (ast_strlen_zero(data)) {
|
|
data = "";
|
|
c_ref = NULL;
|
|
} else {
|
|
c_ref = ast_channel_get_by_name_prefix(data, strlen(data));
|
|
}
|
|
if (!c_ref) {
|
|
ast_verb(4, "Channel '%s' not found\n", data);
|
|
pbx_builtin_setvar_helper(chan, "BRIDGERESULT", "NONEXISTENT");
|
|
return 0;
|
|
}
|
|
if (chan == c_ref) {
|
|
ast_channel_unref(c_ref);
|
|
pbx_builtin_setvar_helper(chan, "BRIDGERESULT", "LOOP");
|
|
return 0;
|
|
}
|
|
|
|
c_name = ast_strdupa(ast_channel_name(c_ref));
|
|
|
|
ast_channel_lock(c_ref);
|
|
bridge = ast_channel_get_bridge(c_ref);
|
|
ast_channel_unlock(c_ref);
|
|
|
|
ast_channel_unref(c_ref);
|
|
|
|
if (!bridge) {
|
|
ast_verb(4, "Channel '%s' is not in a bridge\n", c_name);
|
|
pbx_builtin_setvar_helper(chan, "BRIDGERESULT", "FAILURE");
|
|
return 0;
|
|
}
|
|
|
|
ast_verb(4, "%s is joining %s in bridge %s\n",
|
|
ast_channel_name(chan), c_name, bridge->uniqueid);
|
|
|
|
failed = ast_bridge_features_init(&chan_features)
|
|
|| ast_bridge_join(bridge, chan, NULL, &chan_features, NULL, 0);
|
|
if (failed) {
|
|
ast_verb(4, "%s failed to join %s in bridge %s\n",
|
|
ast_channel_name(chan), c_name, bridge->uniqueid);
|
|
}
|
|
|
|
ast_bridge_features_cleanup(&chan_features);
|
|
ao2_cleanup(bridge);
|
|
pbx_builtin_setvar_helper(chan, "BRIDGERESULT", failed ? "FAILURE" : "SUCCESS");
|
|
return 0;
|
|
}
|
|
|
|
static int unload_module(void)
|
|
{
|
|
return ast_unregister_application(app);
|
|
}
|
|
|
|
static int load_module(void)
|
|
{
|
|
return ast_register_application_xml(app, bridgeadd_exec);
|
|
}
|
|
|
|
AST_MODULE_INFO_STANDARD(ASTERISK_GPL_KEY, "Bridge Add Channel Application");
|