The Dial, Queue, and FollowMe applications need to inhibit the bridging initial connected line exchange in order to support the 'I' option. * Replaced the pass_reference flag on ast_bridge_join() with a flags parameter to pass other flags defined by enum ast_bridge_join_flags. * Replaced the independent flag on ast_bridge_impart() with a flags parameter to pass other flags defined by enum ast_bridge_impart_flags. * Since the Dial, Queue, and FollowMe applications are now the only callers of ast_bridge_call() and ast_bridge_call_with_flags(), changed the calling contract to require the initial COLP exchange to already have been done by the caller. * Made all callers of ast_bridge_impart() check the return value. It is important. As a precaution, I also made the compiler complain now if it is not checked. * Did some cleanup in parking_tests.c as a result of checking the ast_bridge_impart() return value. An independent, but associated change is: * Reduce stack usage in ast_indicate_data() and add a dropping redundant connected line verbose message. (closes issue ASTERISK-22072) Reported by: Joshua Colp Review: https://reviewboard.asterisk.org/r/2845/ ........ Merged revisions 399136 from http://svn.asterisk.org/svn/asterisk/branches/12 git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@399138 65c4cc65-6c06-0410-ace0-fbb531ad65f3
1182 lines
38 KiB
C
1182 lines
38 KiB
C
/*
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* Asterisk -- An open source telephony toolkit.
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*
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* Copyright (C) 1999 - 2012, Digium, Inc.
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* Copyright (C) 2012, Russell Bryant
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*
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* Mark Spencer <markster@digium.com>
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*
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* See http://www.asterisk.org for more information about
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* the Asterisk project. Please do not directly contact
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* any of the maintainers of this project for assistance;
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* the project provides a web site, mailing lists and IRC
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* channels for your use.
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*
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* This program is free software, distributed under the terms of
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* the GNU General Public License Version 2. See the LICENSE file
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* at the top of the source tree.
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*/
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/*! \file
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*
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* \brief Routines implementing call features as call pickup, parking and transfer
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*
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* \author Mark Spencer <markster@digium.com>
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*/
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/*! \li \ref features.c uses the configuration file \ref features.conf
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* \addtogroup configuration_file Configuration Files
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*/
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/*!
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* \page features.conf features.conf
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* \verbinclude features.conf.sample
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*/
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/*** MODULEINFO
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<support_level>core</support_level>
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***/
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#include "asterisk.h"
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ASTERISK_FILE_VERSION(__FILE__, "$Revision$")
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#include "asterisk/_private.h"
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#include <pthread.h>
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#include <signal.h>
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#include <sys/time.h>
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#include <sys/signal.h>
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#include <netinet/in.h>
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#include "asterisk/lock.h"
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#include "asterisk/file.h"
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#include "asterisk/channel.h"
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#include "asterisk/pbx.h"
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#include "asterisk/causes.h"
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#include "asterisk/module.h"
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#include "asterisk/translate.h"
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#include "asterisk/app.h"
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#include "asterisk/say.h"
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#include "asterisk/features.h"
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#include "asterisk/musiconhold.h"
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#include "asterisk/config.h"
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#include "asterisk/cli.h"
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#include "asterisk/manager.h"
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#include "asterisk/utils.h"
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#include "asterisk/adsi.h"
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#include "asterisk/devicestate.h"
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#include "asterisk/monitor.h"
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#include "asterisk/audiohook.h"
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#include "asterisk/global_datastores.h"
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#include "asterisk/astobj2.h"
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#include "asterisk/test.h"
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#include "asterisk/bridge.h"
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#include "asterisk/bridge_features.h"
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#include "asterisk/bridge_basic.h"
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#include "asterisk/bridge_after.h"
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#include "asterisk/stasis.h"
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#include "asterisk/stasis_channels.h"
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#include "asterisk/features_config.h"
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/*** DOCUMENTATION
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<application name="Bridge" language="en_US">
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<synopsis>
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Bridge two channels.
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</synopsis>
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<syntax>
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<parameter name="channel" required="true">
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<para>The current channel is bridged to the specified <replaceable>channel</replaceable>.</para>
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</parameter>
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<parameter name="options">
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<optionlist>
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<option name="p">
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<para>Play a courtesy tone to <replaceable>channel</replaceable>.</para>
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</option>
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<option name="F" argsep="^">
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<argument name="context" required="false" />
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<argument name="exten" required="false" />
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<argument name="priority" required="true" />
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<para>When the bridger hangs up, transfer the <emphasis>bridged</emphasis> party
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to the specified destination and <emphasis>start</emphasis> execution at that location.</para>
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<note>
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<para>Any channel variables you want the called channel to inherit from the caller channel must be
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prefixed with one or two underbars ('_').</para>
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</note>
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<note>
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<para>This option will override the 'x' option</para>
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</note>
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</option>
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<option name="F">
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<para>When the bridger hangs up, transfer the <emphasis>bridged</emphasis> party
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to the next priority of the current extension and <emphasis>start</emphasis> execution
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at that location.</para>
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<note>
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<para>Any channel variables you want the called channel to inherit from the caller channel must be
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prefixed with one or two underbars ('_').</para>
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</note>
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<note>
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<para>Using this option from a Macro() or GoSub() might not make sense as there would be no return points.</para>
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</note>
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<note>
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<para>This option will override the 'x' option</para>
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</note>
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</option>
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<option name="h">
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<para>Allow the called party to hang up by sending the
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<replaceable>*</replaceable> DTMF digit.</para>
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</option>
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<option name="H">
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<para>Allow the calling party to hang up by pressing the
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<replaceable>*</replaceable> DTMF digit.</para>
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</option>
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<option name="k">
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<para>Allow the called party to enable parking of the call by sending
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the DTMF sequence defined for call parking in <filename>features.conf</filename>.</para>
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</option>
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<option name="K">
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<para>Allow the calling party to enable parking of the call by sending
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the DTMF sequence defined for call parking in <filename>features.conf</filename>.</para>
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</option>
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<option name="L(x[:y][:z])">
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<para>Limit the call to <replaceable>x</replaceable> ms. Play a warning
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when <replaceable>y</replaceable> ms are left. Repeat the warning every
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<replaceable>z</replaceable> ms. The following special variables can be
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used with this option:</para>
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<variablelist>
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<variable name="LIMIT_PLAYAUDIO_CALLER">
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<para>Play sounds to the caller. yes|no (default yes)</para>
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</variable>
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<variable name="LIMIT_PLAYAUDIO_CALLEE">
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<para>Play sounds to the callee. yes|no</para>
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</variable>
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<variable name="LIMIT_TIMEOUT_FILE">
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<para>File to play when time is up.</para>
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</variable>
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<variable name="LIMIT_CONNECT_FILE">
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<para>File to play when call begins.</para>
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</variable>
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<variable name="LIMIT_WARNING_FILE">
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<para>File to play as warning if <replaceable>y</replaceable> is
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defined. The default is to say the time remaining.</para>
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</variable>
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</variablelist>
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</option>
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<option name="S(x)">
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<para>Hang up the call after <replaceable>x</replaceable> seconds *after* the called party has answered the call.</para>
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</option>
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<option name="t">
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<para>Allow the called party to transfer the calling party by sending the
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DTMF sequence defined in <filename>features.conf</filename>.</para>
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</option>
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<option name="T">
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<para>Allow the calling party to transfer the called party by sending the
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DTMF sequence defined in <filename>features.conf</filename>.</para>
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</option>
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<option name="w">
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<para>Allow the called party to enable recording of the call by sending
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the DTMF sequence defined for one-touch recording in <filename>features.conf</filename>.</para>
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</option>
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<option name="W">
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<para>Allow the calling party to enable recording of the call by sending
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the DTMF sequence defined for one-touch recording in <filename>features.conf</filename>.</para>
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</option>
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<option name="x">
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<para>Cause the called party to be hung up after the bridge, instead of being
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restarted in the dialplan.</para>
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</option>
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</optionlist>
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</parameter>
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</syntax>
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<description>
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<para>Allows the ability to bridge two channels via the dialplan.</para>
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<para>This application sets the following channel variable upon completion:</para>
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<variablelist>
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<variable name="BRIDGERESULT">
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<para>The result of the bridge attempt as a text string.</para>
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<value name="SUCCESS" />
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<value name="FAILURE" />
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<value name="LOOP" />
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<value name="NONEXISTENT" />
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<value name="INCOMPATIBLE" />
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</variable>
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</variablelist>
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</description>
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</application>
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<manager name="Bridge" language="en_US">
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<synopsis>
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Bridge two channels already in the PBX.
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</synopsis>
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<syntax>
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<xi:include xpointer="xpointer(/docs/manager[@name='Login']/syntax/parameter[@name='ActionID'])" />
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<parameter name="Channel1" required="true">
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<para>Channel to Bridge to Channel2.</para>
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</parameter>
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<parameter name="Channel2" required="true">
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<para>Channel to Bridge to Channel1.</para>
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</parameter>
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<parameter name="Tone">
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<para>Play courtesy tone to Channel 2.</para>
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<enumlist>
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<enum name="no" />
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<enum name="Channel1" />
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<enum name="Channel2" />
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<enum name="Both" />
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</enumlist>
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</parameter>
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</syntax>
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<description>
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<para>Bridge together two channels already in the PBX.</para>
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</description>
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</manager>
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***/
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typedef enum {
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FEATURE_INTERPRET_DETECT, /* Used by ast_feature_detect */
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FEATURE_INTERPRET_DO, /* Used by feature_interpret */
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FEATURE_INTERPRET_CHECK, /* Used by feature_check */
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} feature_interpret_op;
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struct ast_dial_features {
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/*! Channel's feature flags. */
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struct ast_flags my_features;
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/*! Bridge peer's feature flags. */
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struct ast_flags peer_features;
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};
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static void *dial_features_duplicate(void *data)
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{
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struct ast_dial_features *df = data, *df_copy;
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if (!(df_copy = ast_calloc(1, sizeof(*df)))) {
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return NULL;
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}
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memcpy(df_copy, df, sizeof(*df));
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return df_copy;
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}
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static const struct ast_datastore_info dial_features_info = {
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.type = "dial-features",
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.destroy = ast_free_ptr,
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.duplicate = dial_features_duplicate,
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};
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/*!
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* \internal
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* \brief Set the features datastore if it doesn't exist.
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*
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* \param chan Channel to add features datastore
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* \param my_features The channel's feature flags
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* \param peer_features The channel's bridge peer feature flags
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*
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* \retval TRUE if features datastore already existed.
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*/
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static int add_features_datastore(struct ast_channel *chan, const struct ast_flags *my_features, const struct ast_flags *peer_features)
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{
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struct ast_datastore *datastore;
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struct ast_dial_features *dialfeatures;
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ast_channel_lock(chan);
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datastore = ast_channel_datastore_find(chan, &dial_features_info, NULL);
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ast_channel_unlock(chan);
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if (datastore) {
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/* Already exists. */
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return 1;
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}
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/* Create a new datastore with specified feature flags. */
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datastore = ast_datastore_alloc(&dial_features_info, NULL);
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if (!datastore) {
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ast_log(LOG_WARNING, "Unable to create channel features datastore.\n");
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return 0;
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}
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dialfeatures = ast_calloc(1, sizeof(*dialfeatures));
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if (!dialfeatures) {
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ast_log(LOG_WARNING, "Unable to allocate memory for feature flags.\n");
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ast_datastore_free(datastore);
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return 0;
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}
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ast_copy_flags(&dialfeatures->my_features, my_features, AST_FLAGS_ALL);
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ast_copy_flags(&dialfeatures->peer_features, peer_features, AST_FLAGS_ALL);
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datastore->inheritance = DATASTORE_INHERIT_FOREVER;
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datastore->data = dialfeatures;
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ast_channel_lock(chan);
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ast_channel_datastore_add(chan, datastore);
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ast_channel_unlock(chan);
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return 0;
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}
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struct ast_bridge_thread_obj
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{
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struct ast_bridge_config bconfig;
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struct ast_channel *chan;
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struct ast_channel *peer;
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struct ast_callid *callid; /*<! callid pointer (Only used to bind thread) */
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unsigned int return_to_pbx:1;
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};
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static const struct ast_datastore_info channel_app_data_datastore = {
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.type = "Channel appdata datastore",
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.destroy = ast_free_ptr,
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};
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static void set_config_flags(struct ast_channel *chan, struct ast_bridge_config *config)
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{
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ast_clear_flag(config, AST_FLAGS_ALL);
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if (ast_test_flag(&config->features_caller, AST_FEATURE_DTMF_MASK)) {
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ast_set_flag(config, AST_BRIDGE_DTMF_CHANNEL_0);
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}
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if (ast_test_flag(&config->features_callee, AST_FEATURE_DTMF_MASK)) {
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ast_set_flag(config, AST_BRIDGE_DTMF_CHANNEL_1);
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}
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if (!(ast_test_flag(config, AST_BRIDGE_DTMF_CHANNEL_0) && ast_test_flag(config, AST_BRIDGE_DTMF_CHANNEL_1))) {
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RAII_VAR(struct ao2_container *, applicationmap, NULL, ao2_cleanup);
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ast_channel_lock(chan);
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applicationmap = ast_get_chan_applicationmap(chan);
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ast_channel_unlock(chan);
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if (!applicationmap) {
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return;
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}
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/* If an applicationmap exists for this channel at all, then the channel needs the DTMF flag set */
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ast_set_flag(config, AST_BRIDGE_DTMF_CHANNEL_0);
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}
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}
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void ast_channel_log(char *title, struct ast_channel *chan);
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void ast_channel_log(char *title, struct ast_channel *chan) /* for debug, this is handy enough to justify keeping it in the source */
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{
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ast_log(LOG_NOTICE, "______ %s (%lx)______\n", title, (unsigned long) chan);
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ast_log(LOG_NOTICE, "CHAN: name: %s; appl: %s; data: %s; contxt: %s; exten: %s; pri: %d;\n",
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ast_channel_name(chan), ast_channel_appl(chan), ast_channel_data(chan),
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ast_channel_context(chan), ast_channel_exten(chan), ast_channel_priority(chan));
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ast_log(LOG_NOTICE, "CHAN: acctcode: %s; dialcontext: %s; amaflags: %x; maccontxt: %s; macexten: %s; macpri: %d;\n",
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ast_channel_accountcode(chan), ast_channel_dialcontext(chan), ast_channel_amaflags(chan),
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ast_channel_macrocontext(chan), ast_channel_macroexten(chan), ast_channel_macropriority(chan));
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ast_log(LOG_NOTICE, "CHAN: masq: %p; masqr: %p; uniqueID: %s; linkedID:%s\n",
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ast_channel_masq(chan), ast_channel_masqr(chan),
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ast_channel_uniqueid(chan), ast_channel_linkedid(chan));
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if (ast_channel_masqr(chan)) {
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ast_log(LOG_NOTICE, "CHAN: masquerading as: %s; cdr: %p;\n",
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ast_channel_name(ast_channel_masqr(chan)), ast_channel_cdr(ast_channel_masqr(chan)));
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}
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ast_log(LOG_NOTICE, "===== done ====\n");
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}
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|
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static void set_bridge_features_on_config(struct ast_bridge_config *config, const char *features)
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{
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const char *feature;
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if (ast_strlen_zero(features)) {
|
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return;
|
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}
|
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|
|
for (feature = features; *feature; feature++) {
|
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struct ast_flags *party;
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|
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if (isupper(*feature)) {
|
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party = &config->features_caller;
|
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} else {
|
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party = &config->features_callee;
|
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}
|
|
|
|
switch (tolower(*feature)) {
|
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case 't' :
|
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ast_set_flag(party, AST_FEATURE_REDIRECT);
|
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break;
|
|
case 'k' :
|
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ast_set_flag(party, AST_FEATURE_PARKCALL);
|
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break;
|
|
case 'h' :
|
|
ast_set_flag(party, AST_FEATURE_DISCONNECT);
|
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break;
|
|
case 'w' :
|
|
ast_set_flag(party, AST_FEATURE_AUTOMON);
|
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break;
|
|
case 'x' :
|
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ast_set_flag(party, AST_FEATURE_AUTOMIXMON);
|
|
break;
|
|
default :
|
|
ast_log(LOG_WARNING, "Skipping unknown feature code '%c'\n", *feature);
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
static void add_features_datastores(struct ast_channel *caller, struct ast_channel *callee, struct ast_bridge_config *config)
|
|
{
|
|
if (add_features_datastore(caller, &config->features_caller, &config->features_callee)) {
|
|
/*
|
|
* If we don't return here, then when we do a builtin_atxfer we
|
|
* will copy the disconnect flags over from the atxfer to the
|
|
* callee (Party C).
|
|
*/
|
|
return;
|
|
}
|
|
|
|
add_features_datastore(callee, &config->features_callee, &config->features_caller);
|
|
}
|
|
|
|
static void clear_dialed_interfaces(struct ast_channel *chan)
|
|
{
|
|
struct ast_datastore *di_datastore;
|
|
|
|
ast_channel_lock(chan);
|
|
if ((di_datastore = ast_channel_datastore_find(chan, &dialed_interface_info, NULL))) {
|
|
if (option_debug) {
|
|
ast_log(LOG_DEBUG, "Removing dialed interfaces datastore on %s since we're bridging\n", ast_channel_name(chan));
|
|
}
|
|
if (!ast_channel_datastore_remove(chan, di_datastore)) {
|
|
ast_datastore_free(di_datastore);
|
|
}
|
|
}
|
|
ast_channel_unlock(chan);
|
|
}
|
|
|
|
static void bridge_config_set_limits_warning_values(struct ast_bridge_config *config, struct ast_bridge_features_limits *limits)
|
|
{
|
|
if (config->end_sound) {
|
|
ast_string_field_set(limits, duration_sound, config->end_sound);
|
|
}
|
|
|
|
if (config->warning_sound) {
|
|
ast_string_field_set(limits, warning_sound, config->warning_sound);
|
|
}
|
|
|
|
if (config->start_sound) {
|
|
ast_string_field_set(limits, connect_sound, config->start_sound);
|
|
}
|
|
|
|
limits->frequency = config->warning_freq;
|
|
limits->warning = config->play_warning;
|
|
}
|
|
|
|
/*!
|
|
* \internal brief Setup limit hook structures on calls that need limits
|
|
*
|
|
* \param config ast_bridge_config which provides the limit data
|
|
* \param caller_limits pointer to an ast_bridge_features_limits struct which will store the caller side limits
|
|
* \param callee_limits pointer to an ast_bridge_features_limits struct which will store the callee side limits
|
|
*/
|
|
static void bridge_config_set_limits(struct ast_bridge_config *config, struct ast_bridge_features_limits *caller_limits, struct ast_bridge_features_limits *callee_limits)
|
|
{
|
|
if (ast_test_flag(&config->features_caller, AST_FEATURE_PLAY_WARNING)) {
|
|
bridge_config_set_limits_warning_values(config, caller_limits);
|
|
}
|
|
|
|
if (ast_test_flag(&config->features_callee, AST_FEATURE_PLAY_WARNING)) {
|
|
bridge_config_set_limits_warning_values(config, callee_limits);
|
|
}
|
|
|
|
caller_limits->duration = config->timelimit;
|
|
callee_limits->duration = config->timelimit;
|
|
}
|
|
|
|
/*!
|
|
* \internal
|
|
* \brief Check if Monitor needs to be started on a channel.
|
|
* \since 12.0.0
|
|
*
|
|
* \param chan The bridge considers this channel the caller.
|
|
* \param peer The bridge considers this channel the callee.
|
|
*
|
|
* \return Nothing
|
|
*/
|
|
static void bridge_check_monitor(struct ast_channel *chan, struct ast_channel *peer)
|
|
{
|
|
const char *value;
|
|
const char *monitor_args = NULL;
|
|
struct ast_channel *monitor_chan = NULL;
|
|
|
|
ast_channel_lock(chan);
|
|
value = pbx_builtin_getvar_helper(chan, "AUTO_MONITOR");
|
|
if (!ast_strlen_zero(value)) {
|
|
monitor_args = ast_strdupa(value);
|
|
monitor_chan = chan;
|
|
}
|
|
ast_channel_unlock(chan);
|
|
if (!monitor_chan) {
|
|
ast_channel_lock(peer);
|
|
value = pbx_builtin_getvar_helper(peer, "AUTO_MONITOR");
|
|
if (!ast_strlen_zero(value)) {
|
|
monitor_args = ast_strdupa(value);
|
|
monitor_chan = peer;
|
|
}
|
|
ast_channel_unlock(peer);
|
|
}
|
|
if (monitor_chan) {
|
|
struct ast_app *monitor_app;
|
|
|
|
monitor_app = pbx_findapp("Monitor");
|
|
if (monitor_app) {
|
|
pbx_exec(monitor_chan, monitor_app, monitor_args);
|
|
}
|
|
}
|
|
}
|
|
|
|
/*!
|
|
* \internal
|
|
* \brief Send the peer channel on its way on bridge start failure.
|
|
* \since 12.0.0
|
|
*
|
|
* \param chan Chan to put into autoservice.
|
|
* \param peer Chan to send to after bridge goto or run hangup handlers and hangup.
|
|
*
|
|
* \return Nothing
|
|
*/
|
|
static void bridge_failed_peer_goto(struct ast_channel *chan, struct ast_channel *peer)
|
|
{
|
|
if (ast_bridge_setup_after_goto(peer)
|
|
|| ast_pbx_start(peer)) {
|
|
ast_autoservice_chan_hangup_peer(chan, peer);
|
|
}
|
|
}
|
|
|
|
static int pre_bridge_setup(struct ast_channel *chan, struct ast_channel *peer, struct ast_bridge_config *config,
|
|
struct ast_bridge_features *chan_features, struct ast_bridge_features *peer_features)
|
|
{
|
|
int res;
|
|
|
|
set_bridge_features_on_config(config, pbx_builtin_getvar_helper(chan, "BRIDGE_FEATURES"));
|
|
add_features_datastores(chan, peer, config);
|
|
|
|
/*
|
|
* This is an interesting case. One example is if a ringing
|
|
* channel gets redirected to an extension that picks up a
|
|
* parked call. This will make sure that the call taken out of
|
|
* parking gets told that the channel it just got bridged to is
|
|
* still ringing.
|
|
*/
|
|
if (ast_channel_state(chan) == AST_STATE_RINGING
|
|
&& ast_channel_visible_indication(peer) != AST_CONTROL_RINGING) {
|
|
ast_indicate(peer, AST_CONTROL_RINGING);
|
|
}
|
|
|
|
bridge_check_monitor(chan, peer);
|
|
|
|
set_config_flags(chan, config);
|
|
|
|
/* Answer if need be */
|
|
if (ast_channel_state(chan) != AST_STATE_UP) {
|
|
if (ast_raw_answer(chan)) {
|
|
return -1;
|
|
}
|
|
}
|
|
|
|
#ifdef FOR_DEBUG
|
|
/* show the two channels and cdrs involved in the bridge for debug & devel purposes */
|
|
ast_channel_log("Pre-bridge CHAN Channel info", chan);
|
|
ast_channel_log("Pre-bridge PEER Channel info", peer);
|
|
#endif
|
|
|
|
/*
|
|
* If we are bridging a call, stop worrying about forwarding
|
|
* loops. We presume that if a call is being bridged, that the
|
|
* humans in charge know what they're doing. If they don't,
|
|
* well, what can we do about that?
|
|
*/
|
|
clear_dialed_interfaces(chan);
|
|
clear_dialed_interfaces(peer);
|
|
|
|
res = 0;
|
|
ast_channel_lock(chan);
|
|
res |= ast_bridge_features_ds_append(chan, &config->features_caller);
|
|
ast_channel_unlock(chan);
|
|
ast_channel_lock(peer);
|
|
res |= ast_bridge_features_ds_append(peer, &config->features_callee);
|
|
ast_channel_unlock(peer);
|
|
|
|
if (res) {
|
|
return -1;
|
|
}
|
|
|
|
if (config->timelimit) {
|
|
struct ast_bridge_features_limits call_duration_limits_chan;
|
|
struct ast_bridge_features_limits call_duration_limits_peer;
|
|
int abandon_call = 0; /* TRUE if set limits fails so we can abandon the call. */
|
|
|
|
if (ast_bridge_features_limits_construct(&call_duration_limits_chan)) {
|
|
ast_log(LOG_ERROR, "Could not construct caller duration limits. Bridge canceled.\n");
|
|
|
|
return -1;
|
|
}
|
|
|
|
if (ast_bridge_features_limits_construct(&call_duration_limits_peer)) {
|
|
ast_log(LOG_ERROR, "Could not construct callee duration limits. Bridge canceled.\n");
|
|
ast_bridge_features_limits_destroy(&call_duration_limits_chan);
|
|
|
|
return -1;
|
|
}
|
|
|
|
bridge_config_set_limits(config, &call_duration_limits_chan, &call_duration_limits_peer);
|
|
|
|
if (ast_bridge_features_set_limits(chan_features, &call_duration_limits_chan, 0)) {
|
|
abandon_call = 1;
|
|
}
|
|
if (ast_bridge_features_set_limits(peer_features, &call_duration_limits_peer, 0)) {
|
|
abandon_call = 1;
|
|
}
|
|
|
|
/* At this point we are done with the limits structs since they have been copied to the individual feature sets. */
|
|
ast_bridge_features_limits_destroy(&call_duration_limits_chan);
|
|
ast_bridge_features_limits_destroy(&call_duration_limits_peer);
|
|
|
|
if (abandon_call) {
|
|
ast_log(LOG_ERROR, "Could not set duration limits on one or more sides of the call. Bridge canceled.\n");
|
|
return -1;
|
|
}
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
int ast_bridge_call_with_flags(struct ast_channel *chan, struct ast_channel *peer, struct ast_bridge_config *config, unsigned int flags)
|
|
{
|
|
int res;
|
|
struct ast_bridge *bridge;
|
|
struct ast_bridge_features chan_features;
|
|
struct ast_bridge_features *peer_features;
|
|
|
|
/* Setup features. */
|
|
res = ast_bridge_features_init(&chan_features);
|
|
peer_features = ast_bridge_features_new();
|
|
if (res || !peer_features) {
|
|
ast_bridge_features_destroy(peer_features);
|
|
ast_bridge_features_cleanup(&chan_features);
|
|
bridge_failed_peer_goto(chan, peer);
|
|
return -1;
|
|
}
|
|
|
|
if (pre_bridge_setup(chan, peer, config, &chan_features, peer_features)) {
|
|
ast_bridge_features_destroy(peer_features);
|
|
ast_bridge_features_cleanup(&chan_features);
|
|
bridge_failed_peer_goto(chan, peer);
|
|
return -1;
|
|
}
|
|
|
|
/* Create bridge */
|
|
bridge = ast_bridge_basic_new();
|
|
if (!bridge) {
|
|
ast_bridge_features_destroy(peer_features);
|
|
ast_bridge_features_cleanup(&chan_features);
|
|
bridge_failed_peer_goto(chan, peer);
|
|
return -1;
|
|
}
|
|
|
|
ast_bridge_basic_set_flags(bridge, flags);
|
|
|
|
/* Put peer into the bridge */
|
|
if (ast_bridge_impart(bridge, peer, NULL, peer_features,
|
|
AST_BRIDGE_IMPART_CHAN_INDEPENDENT | AST_BRIDGE_IMPART_INHIBIT_JOIN_COLP)) {
|
|
ast_bridge_destroy(bridge, 0);
|
|
ast_bridge_features_cleanup(&chan_features);
|
|
bridge_failed_peer_goto(chan, peer);
|
|
return -1;
|
|
}
|
|
|
|
/* Join bridge */
|
|
ast_bridge_join(bridge, chan, NULL, &chan_features, NULL,
|
|
AST_BRIDGE_JOIN_PASS_REFERENCE | AST_BRIDGE_JOIN_INHIBIT_JOIN_COLP);
|
|
|
|
/*
|
|
* If the bridge was broken for a hangup that isn't real, then
|
|
* don't run the h extension, because the channel isn't really
|
|
* hung up. This should really only happen with
|
|
* AST_SOFTHANGUP_ASYNCGOTO.
|
|
*/
|
|
res = -1;
|
|
ast_channel_lock(chan);
|
|
if (ast_channel_softhangup_internal_flag(chan) & AST_SOFTHANGUP_ASYNCGOTO) {
|
|
res = 0;
|
|
}
|
|
ast_channel_unlock(chan);
|
|
|
|
ast_bridge_features_cleanup(&chan_features);
|
|
|
|
if (res && config->end_bridge_callback) {
|
|
config->end_bridge_callback(config->end_bridge_callback_data);
|
|
}
|
|
|
|
return res;
|
|
}
|
|
|
|
/*!
|
|
* \brief bridge the call and set CDR
|
|
*
|
|
* \param chan The bridge considers this channel the caller.
|
|
* \param peer The bridge considers this channel the callee.
|
|
* \param config Configuration for this bridge.
|
|
*
|
|
* Set start time, check for two channels,check if monitor on
|
|
* check for feature activation, create new CDR
|
|
* \retval res on success.
|
|
* \retval -1 on failure to bridge.
|
|
*/
|
|
int ast_bridge_call(struct ast_channel *chan, struct ast_channel *peer, struct ast_bridge_config *config)
|
|
{
|
|
return ast_bridge_call_with_flags(chan, peer, config, 0);
|
|
}
|
|
|
|
enum play_tone_action {
|
|
PLAYTONE_NONE = 0,
|
|
PLAYTONE_CHANNEL1 = (1 << 0),
|
|
PLAYTONE_CHANNEL2 = (1 << 1),
|
|
PLAYTONE_BOTH = PLAYTONE_CHANNEL1 | PLAYTONE_CHANNEL2,
|
|
};
|
|
|
|
static enum play_tone_action parse_playtone(const char *playtone_val)
|
|
{
|
|
if (ast_strlen_zero(playtone_val) || ast_false(playtone_val)) {
|
|
return PLAYTONE_NONE;
|
|
} if (!strcasecmp(playtone_val, "channel1")) {
|
|
return PLAYTONE_CHANNEL1;
|
|
} else if (!strcasecmp(playtone_val, "channel2") || ast_true(playtone_val)) {
|
|
return PLAYTONE_CHANNEL2;
|
|
} else if (!strcasecmp(playtone_val, "both")) {
|
|
return PLAYTONE_BOTH;
|
|
} else {
|
|
/* Invalid input. Assume none */
|
|
return PLAYTONE_NONE;
|
|
}
|
|
}
|
|
|
|
/*!
|
|
* \brief Bridge channels together
|
|
* \param s
|
|
* \param m
|
|
*
|
|
* Make sure valid channels were specified,
|
|
* send errors if any of the channels could not be found/locked, answer channels if needed,
|
|
* create the placeholder channels and grab the other channels
|
|
* make the channels compatible, send error if we fail doing so
|
|
* setup the bridge thread object and start the bridge.
|
|
*
|
|
* \retval 0
|
|
*/
|
|
static int action_bridge(struct mansession *s, const struct message *m)
|
|
{
|
|
const char *channela = astman_get_header(m, "Channel1");
|
|
const char *channelb = astman_get_header(m, "Channel2");
|
|
enum play_tone_action playtone = parse_playtone(astman_get_header(m, "Tone"));
|
|
RAII_VAR(struct ast_channel *, chana, NULL, ao2_cleanup);
|
|
RAII_VAR(struct ast_channel *, chanb, NULL, ao2_cleanup);
|
|
const char *chana_exten;
|
|
const char *chana_context;
|
|
int chana_priority;
|
|
const char *chanb_exten;
|
|
const char *chanb_context;
|
|
int chanb_priority;
|
|
struct ast_bridge *bridge;
|
|
char buf[256];
|
|
RAII_VAR(struct ast_features_xfer_config *, xfer_cfg_a, NULL, ao2_cleanup);
|
|
RAII_VAR(struct ast_features_xfer_config *, xfer_cfg_b, NULL, ao2_cleanup);
|
|
|
|
/* make sure valid channels were specified */
|
|
if (ast_strlen_zero(channela) || ast_strlen_zero(channelb)) {
|
|
astman_send_error(s, m, "Missing channel parameter in request");
|
|
return 0;
|
|
}
|
|
|
|
ast_debug(1, "Performing Bridge action on %s and %s\n", channela, channelb);
|
|
|
|
/* Start with chana */
|
|
chana = ast_channel_get_by_name_prefix(channela, strlen(channela));
|
|
if (!chana) {
|
|
snprintf(buf, sizeof(buf), "Channel1 does not exist: %s", channela);
|
|
astman_send_error(s, m, buf);
|
|
return 0;
|
|
}
|
|
xfer_cfg_a = ast_get_chan_features_xfer_config(chana);
|
|
ast_channel_lock(chana);
|
|
chana_exten = ast_strdupa(ast_channel_exten(chana));
|
|
chana_context = ast_strdupa(ast_channel_context(chana));
|
|
chana_priority = ast_channel_priority(chana);
|
|
if (!ast_test_flag(ast_channel_flags(chana), AST_FLAG_IN_AUTOLOOP)) {
|
|
chana_priority++;
|
|
}
|
|
ast_channel_unlock(chana);
|
|
|
|
chanb = ast_channel_get_by_name_prefix(channelb, strlen(channelb));
|
|
if (!chanb) {
|
|
snprintf(buf, sizeof(buf), "Channel2 does not exist: %s", channelb);
|
|
astman_send_error(s, m, buf);
|
|
return 0;
|
|
}
|
|
xfer_cfg_b = ast_get_chan_features_xfer_config(chanb);
|
|
ast_channel_lock(chanb);
|
|
chanb_exten = ast_strdupa(ast_channel_exten(chanb));
|
|
chanb_context = ast_strdupa(ast_channel_context(chanb));
|
|
chanb_priority = ast_channel_priority(chanb);
|
|
if (!ast_test_flag(ast_channel_flags(chanb), AST_FLAG_IN_AUTOLOOP)) {
|
|
chanb_priority++;
|
|
}
|
|
ast_channel_unlock(chanb);
|
|
|
|
bridge = ast_bridge_basic_new();
|
|
if (!bridge) {
|
|
astman_send_error(s, m, "Unable to create bridge\n");
|
|
return 0;
|
|
}
|
|
|
|
ast_bridge_set_after_go_on(chana, chana_context, chana_exten, chana_priority, NULL);
|
|
if (ast_bridge_add_channel(bridge, chana, NULL, playtone & PLAYTONE_CHANNEL1, xfer_cfg_a ? xfer_cfg_a->xfersound : NULL)) {
|
|
snprintf(buf, sizeof(buf), "Unable to add Channel1 to bridge: %s", ast_channel_name(chana));
|
|
astman_send_error(s, m, buf);
|
|
ast_bridge_destroy(bridge, 0);
|
|
return 0;
|
|
}
|
|
|
|
ast_bridge_set_after_go_on(chanb, chanb_context, chanb_exten, chanb_priority, NULL);
|
|
if (ast_bridge_add_channel(bridge, chanb, NULL, playtone & PLAYTONE_CHANNEL2, xfer_cfg_b ? xfer_cfg_b->xfersound : NULL)) {
|
|
snprintf(buf, sizeof(buf), "Unable to add Channel2 to bridge: %s", ast_channel_name(chanb));
|
|
astman_send_error(s, m, buf);
|
|
ast_bridge_destroy(bridge, 0);
|
|
return 0;
|
|
}
|
|
|
|
astman_send_ack(s, m, "Channels have been bridged");
|
|
|
|
return 0;
|
|
}
|
|
|
|
static char *app_bridge = "Bridge";
|
|
|
|
enum {
|
|
BRIDGE_OPT_PLAYTONE = (1 << 0),
|
|
OPT_CALLEE_HANGUP = (1 << 1),
|
|
OPT_CALLER_HANGUP = (1 << 2),
|
|
OPT_DURATION_LIMIT = (1 << 3),
|
|
OPT_DURATION_STOP = (1 << 4),
|
|
OPT_CALLEE_TRANSFER = (1 << 5),
|
|
OPT_CALLER_TRANSFER = (1 << 6),
|
|
OPT_CALLEE_MONITOR = (1 << 7),
|
|
OPT_CALLER_MONITOR = (1 << 8),
|
|
OPT_CALLEE_PARK = (1 << 9),
|
|
OPT_CALLER_PARK = (1 << 10),
|
|
OPT_CALLEE_KILL = (1 << 11),
|
|
OPT_CALLEE_GO_ON = (1 << 12),
|
|
};
|
|
|
|
enum {
|
|
OPT_ARG_DURATION_LIMIT = 0,
|
|
OPT_ARG_DURATION_STOP,
|
|
OPT_ARG_CALLEE_GO_ON,
|
|
/* note: this entry _MUST_ be the last one in the enum */
|
|
OPT_ARG_ARRAY_SIZE,
|
|
};
|
|
|
|
AST_APP_OPTIONS(bridge_exec_options, BEGIN_OPTIONS
|
|
AST_APP_OPTION('p', BRIDGE_OPT_PLAYTONE),
|
|
AST_APP_OPTION_ARG('F', OPT_CALLEE_GO_ON, OPT_ARG_CALLEE_GO_ON),
|
|
AST_APP_OPTION('h', OPT_CALLEE_HANGUP),
|
|
AST_APP_OPTION('H', OPT_CALLER_HANGUP),
|
|
AST_APP_OPTION('k', OPT_CALLEE_PARK),
|
|
AST_APP_OPTION('K', OPT_CALLER_PARK),
|
|
AST_APP_OPTION_ARG('L', OPT_DURATION_LIMIT, OPT_ARG_DURATION_LIMIT),
|
|
AST_APP_OPTION_ARG('S', OPT_DURATION_STOP, OPT_ARG_DURATION_STOP),
|
|
AST_APP_OPTION('t', OPT_CALLEE_TRANSFER),
|
|
AST_APP_OPTION('T', OPT_CALLER_TRANSFER),
|
|
AST_APP_OPTION('w', OPT_CALLEE_MONITOR),
|
|
AST_APP_OPTION('W', OPT_CALLER_MONITOR),
|
|
AST_APP_OPTION('x', OPT_CALLEE_KILL),
|
|
END_OPTIONS );
|
|
|
|
int ast_bridge_timelimit(struct ast_channel *chan, struct ast_bridge_config *config,
|
|
char *parse, struct timeval *calldurationlimit)
|
|
{
|
|
char *stringp = ast_strdupa(parse);
|
|
char *limit_str, *warning_str, *warnfreq_str;
|
|
const char *var;
|
|
int play_to_caller = 0, play_to_callee = 0;
|
|
int delta;
|
|
|
|
limit_str = strsep(&stringp, ":");
|
|
warning_str = strsep(&stringp, ":");
|
|
warnfreq_str = strsep(&stringp, ":");
|
|
|
|
config->timelimit = atol(limit_str);
|
|
if (warning_str)
|
|
config->play_warning = atol(warning_str);
|
|
if (warnfreq_str)
|
|
config->warning_freq = atol(warnfreq_str);
|
|
|
|
if (!config->timelimit) {
|
|
ast_log(LOG_WARNING, "Bridge does not accept L(%s), hanging up.\n", limit_str);
|
|
config->timelimit = config->play_warning = config->warning_freq = 0;
|
|
config->warning_sound = NULL;
|
|
return -1; /* error */
|
|
} else if ( (delta = config->play_warning - config->timelimit) > 0) {
|
|
int w = config->warning_freq;
|
|
|
|
/*
|
|
* If the first warning is requested _after_ the entire call
|
|
* would end, and no warning frequency is requested, then turn
|
|
* off the warning. If a warning frequency is requested, reduce
|
|
* the 'first warning' time by that frequency until it falls
|
|
* within the call's total time limit.
|
|
*
|
|
* Graphically:
|
|
* timelim->| delta |<-playwarning
|
|
* 0__________________|_________________|
|
|
* | w | | | |
|
|
*
|
|
* so the number of intervals to cut is 1+(delta-1)/w
|
|
*/
|
|
if (w == 0) {
|
|
config->play_warning = 0;
|
|
} else {
|
|
config->play_warning -= w * ( 1 + (delta-1)/w );
|
|
if (config->play_warning < 1)
|
|
config->play_warning = config->warning_freq = 0;
|
|
}
|
|
}
|
|
|
|
ast_channel_lock(chan);
|
|
|
|
var = pbx_builtin_getvar_helper(chan, "LIMIT_PLAYAUDIO_CALLER");
|
|
play_to_caller = var ? ast_true(var) : 1;
|
|
|
|
var = pbx_builtin_getvar_helper(chan, "LIMIT_PLAYAUDIO_CALLEE");
|
|
play_to_callee = var ? ast_true(var) : 0;
|
|
|
|
if (!play_to_caller && !play_to_callee)
|
|
play_to_caller = 1;
|
|
|
|
var = pbx_builtin_getvar_helper(chan, "LIMIT_WARNING_FILE");
|
|
config->warning_sound = !ast_strlen_zero(var) ? ast_strdup(var) : ast_strdup("timeleft");
|
|
|
|
/* The code looking at config wants a NULL, not just "", to decide
|
|
* that the message should not be played, so we replace "" with NULL.
|
|
* Note, pbx_builtin_getvar_helper _can_ return NULL if the variable is
|
|
* not found.
|
|
*/
|
|
|
|
var = pbx_builtin_getvar_helper(chan, "LIMIT_TIMEOUT_FILE");
|
|
config->end_sound = !ast_strlen_zero(var) ? ast_strdup(var) : NULL;
|
|
|
|
var = pbx_builtin_getvar_helper(chan, "LIMIT_CONNECT_FILE");
|
|
config->start_sound = !ast_strlen_zero(var) ? ast_strdup(var) : NULL;
|
|
|
|
ast_channel_unlock(chan);
|
|
|
|
/* undo effect of S(x) in case they are both used */
|
|
calldurationlimit->tv_sec = 0;
|
|
calldurationlimit->tv_usec = 0;
|
|
|
|
/* more efficient to do it like S(x) does since no advanced opts */
|
|
if (!config->play_warning && !config->start_sound && !config->end_sound && config->timelimit) {
|
|
calldurationlimit->tv_sec = config->timelimit / 1000;
|
|
calldurationlimit->tv_usec = (config->timelimit % 1000) * 1000;
|
|
ast_verb(3, "Setting call duration limit to %.3lf seconds.\n",
|
|
calldurationlimit->tv_sec + calldurationlimit->tv_usec / 1000000.0);
|
|
play_to_caller = 0;
|
|
play_to_callee = 0;
|
|
config->timelimit = 0;
|
|
config->play_warning = 0;
|
|
config->warning_freq = 0;
|
|
} else {
|
|
ast_verb(4, "Limit Data for this call:\n");
|
|
ast_verb(4, "timelimit = %ld ms (%.3lf s)\n", config->timelimit, config->timelimit / 1000.0);
|
|
ast_verb(4, "play_warning = %ld ms (%.3lf s)\n", config->play_warning, config->play_warning / 1000.0);
|
|
ast_verb(4, "play_to_caller = %s\n", play_to_caller ? "yes" : "no");
|
|
ast_verb(4, "play_to_callee = %s\n", play_to_callee ? "yes" : "no");
|
|
ast_verb(4, "warning_freq = %ld ms (%.3lf s)\n", config->warning_freq, config->warning_freq / 1000.0);
|
|
ast_verb(4, "start_sound = %s\n", S_OR(config->start_sound, ""));
|
|
ast_verb(4, "warning_sound = %s\n", config->warning_sound);
|
|
ast_verb(4, "end_sound = %s\n", S_OR(config->end_sound, ""));
|
|
}
|
|
if (play_to_caller)
|
|
ast_set_flag(&(config->features_caller), AST_FEATURE_PLAY_WARNING);
|
|
if (play_to_callee)
|
|
ast_set_flag(&(config->features_callee), AST_FEATURE_PLAY_WARNING);
|
|
return 0;
|
|
}
|
|
|
|
|
|
/*!
|
|
* \brief Bridge channels
|
|
* \param chan
|
|
* \param data channel to bridge with.
|
|
*
|
|
* Split data, check we aren't bridging with ourself, check valid channel,
|
|
* answer call if not already, check compatible channels, setup bridge config
|
|
* now bridge call, if transfered party hangs up return to PBX extension.
|
|
*/
|
|
static int bridge_exec(struct ast_channel *chan, const char *data)
|
|
{
|
|
RAII_VAR(struct ast_channel *, current_dest_chan, NULL, ao2_cleanup);
|
|
char *tmp_data = NULL;
|
|
struct ast_flags opts = { 0, };
|
|
struct ast_bridge_config bconfig = { { 0, }, };
|
|
char *opt_args[OPT_ARG_ARRAY_SIZE];
|
|
struct timeval calldurationlimit = { 0, };
|
|
const char *context;
|
|
const char *extension;
|
|
int priority;
|
|
struct ast_bridge_features chan_features;
|
|
struct ast_bridge_features *peer_features;
|
|
struct ast_bridge *bridge;
|
|
RAII_VAR(struct ast_features_xfer_config *, xfer_cfg, NULL, ao2_cleanup);
|
|
|
|
AST_DECLARE_APP_ARGS(args,
|
|
AST_APP_ARG(dest_chan);
|
|
AST_APP_ARG(options);
|
|
);
|
|
|
|
if (ast_strlen_zero(data)) {
|
|
ast_log(LOG_WARNING, "Bridge require at least 1 argument specifying the other end of the bridge\n");
|
|
return -1;
|
|
}
|
|
|
|
tmp_data = ast_strdupa(data);
|
|
AST_STANDARD_APP_ARGS(args, tmp_data);
|
|
if (!ast_strlen_zero(args.options))
|
|
ast_app_parse_options(bridge_exec_options, &opts, opt_args, args.options);
|
|
|
|
/* make sure we have a valid end point */
|
|
if (!(current_dest_chan = ast_channel_get_by_name_prefix(args.dest_chan,
|
|
strlen(args.dest_chan)))) {
|
|
ast_log(LOG_WARNING, "Bridge failed because channel %s does not exist\n",
|
|
args.dest_chan);
|
|
return 0;
|
|
}
|
|
|
|
/* avoid bridge with ourselves */
|
|
if (chan == current_dest_chan) {
|
|
ast_log(LOG_WARNING, "Unable to bridge channel %s with itself\n", ast_channel_name(chan));
|
|
return 0;
|
|
}
|
|
|
|
if (ast_test_flag(&opts, OPT_DURATION_LIMIT)
|
|
&& !ast_strlen_zero(opt_args[OPT_ARG_DURATION_LIMIT])
|
|
&& ast_bridge_timelimit(chan, &bconfig, opt_args[OPT_ARG_DURATION_LIMIT], &calldurationlimit)) {
|
|
pbx_builtin_setvar_helper(chan, "BRIDGERESULT", "FAILURE");
|
|
goto done;
|
|
}
|
|
|
|
if (ast_test_flag(&opts, OPT_CALLEE_TRANSFER))
|
|
ast_set_flag(&(bconfig.features_callee), AST_FEATURE_REDIRECT);
|
|
if (ast_test_flag(&opts, OPT_CALLER_TRANSFER))
|
|
ast_set_flag(&(bconfig.features_caller), AST_FEATURE_REDIRECT);
|
|
if (ast_test_flag(&opts, OPT_CALLEE_HANGUP))
|
|
ast_set_flag(&(bconfig.features_callee), AST_FEATURE_DISCONNECT);
|
|
if (ast_test_flag(&opts, OPT_CALLER_HANGUP))
|
|
ast_set_flag(&(bconfig.features_caller), AST_FEATURE_DISCONNECT);
|
|
if (ast_test_flag(&opts, OPT_CALLEE_MONITOR))
|
|
ast_set_flag(&(bconfig.features_callee), AST_FEATURE_AUTOMON);
|
|
if (ast_test_flag(&opts, OPT_CALLER_MONITOR))
|
|
ast_set_flag(&(bconfig.features_caller), AST_FEATURE_AUTOMON);
|
|
if (ast_test_flag(&opts, OPT_CALLEE_PARK))
|
|
ast_set_flag(&(bconfig.features_callee), AST_FEATURE_PARKCALL);
|
|
if (ast_test_flag(&opts, OPT_CALLER_PARK))
|
|
ast_set_flag(&(bconfig.features_caller), AST_FEATURE_PARKCALL);
|
|
|
|
/* Setup after bridge goto location. */
|
|
if (ast_test_flag(&opts, OPT_CALLEE_GO_ON)) {
|
|
ast_channel_lock(chan);
|
|
context = ast_strdupa(ast_channel_context(chan));
|
|
extension = ast_strdupa(ast_channel_exten(chan));
|
|
priority = ast_channel_priority(chan);
|
|
ast_channel_unlock(chan);
|
|
ast_bridge_set_after_go_on(current_dest_chan, context, extension, priority,
|
|
opt_args[OPT_ARG_CALLEE_GO_ON]);
|
|
} else if (!ast_test_flag(&opts, OPT_CALLEE_KILL)) {
|
|
ast_channel_lock(current_dest_chan);
|
|
context = ast_strdupa(ast_channel_context(current_dest_chan));
|
|
extension = ast_strdupa(ast_channel_exten(current_dest_chan));
|
|
priority = ast_channel_priority(current_dest_chan);
|
|
ast_channel_unlock(current_dest_chan);
|
|
ast_bridge_set_after_goto(current_dest_chan, context, extension, priority);
|
|
}
|
|
|
|
if (ast_bridge_features_init(&chan_features)) {
|
|
ast_bridge_features_cleanup(&chan_features);
|
|
goto done;
|
|
}
|
|
|
|
peer_features = ast_bridge_features_new();
|
|
if (!peer_features) {
|
|
ast_bridge_features_cleanup(&chan_features);
|
|
goto done;
|
|
}
|
|
|
|
if (pre_bridge_setup(chan, current_dest_chan, &bconfig, &chan_features, peer_features)) {
|
|
ast_bridge_features_destroy(peer_features);
|
|
ast_bridge_features_cleanup(&chan_features);
|
|
goto done;
|
|
}
|
|
|
|
bridge = ast_bridge_basic_new();
|
|
if (!bridge) {
|
|
ast_bridge_features_destroy(peer_features);
|
|
ast_bridge_features_cleanup(&chan_features);
|
|
goto done;
|
|
}
|
|
|
|
xfer_cfg = ast_get_chan_features_xfer_config(current_dest_chan);
|
|
if (ast_bridge_add_channel(bridge, current_dest_chan, peer_features,
|
|
ast_test_flag(&opts, BRIDGE_OPT_PLAYTONE), xfer_cfg ? xfer_cfg->xfersound : NULL)) {
|
|
ast_bridge_features_destroy(peer_features);
|
|
ast_bridge_features_cleanup(&chan_features);
|
|
ast_bridge_destroy(bridge, 0);
|
|
goto done;
|
|
}
|
|
|
|
ast_bridge_join(bridge, chan, NULL, &chan_features, NULL,
|
|
AST_BRIDGE_JOIN_PASS_REFERENCE);
|
|
|
|
ast_bridge_features_cleanup(&chan_features);
|
|
|
|
/* The bridge has ended, set BRIDGERESULT to SUCCESS. */
|
|
pbx_builtin_setvar_helper(chan, "BRIDGERESULT", "SUCCESS");
|
|
done:
|
|
ast_free((char *) bconfig.warning_sound);
|
|
ast_free((char *) bconfig.end_sound);
|
|
ast_free((char *) bconfig.start_sound);
|
|
|
|
return 0;
|
|
}
|
|
|
|
/*!
|
|
* \internal
|
|
* \brief Clean up resources on Asterisk shutdown
|
|
*/
|
|
static void features_shutdown(void)
|
|
{
|
|
ast_features_config_shutdown();
|
|
|
|
ast_manager_unregister("Bridge");
|
|
|
|
ast_unregister_application(app_bridge);
|
|
|
|
}
|
|
|
|
int ast_features_init(void)
|
|
{
|
|
int res;
|
|
|
|
res = ast_features_config_init();
|
|
if (res) {
|
|
return res;
|
|
}
|
|
res |= ast_register_application2(app_bridge, bridge_exec, NULL, NULL, NULL);
|
|
res |= ast_manager_register_xml_core("Bridge", EVENT_FLAG_CALL, action_bridge);
|
|
|
|
if (res) {
|
|
features_shutdown();
|
|
} else {
|
|
ast_register_atexit(features_shutdown);
|
|
}
|
|
|
|
return res;
|
|
}
|