2013-05-21 18:00:22 +00:00
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/*
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* Asterisk -- An open source telephony toolkit.
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*
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* Copyright (C) 2013 Digium, Inc.
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*
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* Richard Mudgett <rmudgett@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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/*!
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* \file
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* \brief Local proxy channel driver.
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*
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* \author Richard Mudgett <rmudgett@digium.com>
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*
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* See Also:
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* \arg \ref AstCREDITS
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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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/* ------------------------------------------------------------------- */
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#include "asterisk/channel.h"
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#include "asterisk/pbx.h"
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#include "asterisk/cli.h"
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#include "asterisk/manager.h"
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#include "asterisk/devicestate.h"
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#include "asterisk/astobj2.h"
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2013-07-25 04:06:32 +00:00
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#include "asterisk/bridge.h"
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2013-05-21 18:00:22 +00:00
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#include "asterisk/core_unreal.h"
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#include "asterisk/core_local.h"
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2013-07-08 14:26:40 +00:00
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#include "asterisk/stasis.h"
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#include "asterisk/stasis_channels.h"
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2013-05-21 18:00:22 +00:00
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#include "asterisk/_private.h"
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2013-07-01 13:16:09 +00:00
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#include "asterisk/stasis_channels.h"
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2013-05-21 18:00:22 +00:00
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/*** DOCUMENTATION
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<manager name="LocalOptimizeAway" language="en_US">
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<synopsis>
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Optimize away a local channel when possible.
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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="Channel" required="true">
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<para>The channel name to optimize away.</para>
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</parameter>
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</syntax>
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<description>
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<para>A local channel created with "/n" will not automatically optimize away.
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Calling this command on the local channel will clear that flag and allow
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it to optimize away if it's bridged or when it becomes bridged.</para>
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</description>
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</manager>
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2013-07-01 13:16:09 +00:00
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<managerEvent language="en_US" name="LocalBridge">
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<managerEventInstance class="EVENT_FLAG_CALL">
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<synopsis>Raised when two halves of a Local Channel form a bridge.</synopsis>
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<syntax>
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2013-08-01 17:07:52 +00:00
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<channel_snapshot prefix="LocalOne"/>
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<channel_snapshot prefix="LocalTwo"/>
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2013-07-01 13:16:09 +00:00
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<parameter name="Context">
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<para>The context in the dialplan that Channel2 starts in.</para>
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</parameter>
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<parameter name="Exten">
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<para>The extension in the dialplan that Channel2 starts in.</para>
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</parameter>
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<parameter name="LocalOptimization">
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<enumlist>
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<enum name="Yes"/>
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<enum name="No"/>
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</enumlist>
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</parameter>
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</syntax>
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</managerEventInstance>
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</managerEvent>
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2013-07-08 14:26:40 +00:00
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<managerEvent language="en_US" name="LocalOptimizationBegin">
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<managerEventInstance class="EVENT_FLAG_CALL">
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<synopsis>Raised when two halves of a Local Channel begin to optimize
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themselves out of the media path.</synopsis>
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<syntax>
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2013-08-01 17:07:52 +00:00
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<channel_snapshot prefix="LocalOne"/>
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<channel_snapshot prefix="LocalTwo"/>
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2013-08-22 18:52:41 +00:00
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<channel_snapshot prefix="Source"/>
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<parameter name="DestUniqueId">
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<para>The unique ID of the bridge into which the local channel is optimizing.</para>
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</parameter>
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<parameter name="Id">
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<para>Identification for the optimization operation.</para>
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</parameter>
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2013-07-08 14:26:40 +00:00
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</syntax>
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<see-also>
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<ref type="managerEvent">LocalOptimizationEnd</ref>
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<ref type="manager">LocalOptimizeAway</ref>
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</see-also>
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</managerEventInstance>
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</managerEvent>
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<managerEvent language="en_US" name="LocalOptimizationEnd">
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<managerEventInstance class="EVENT_FLAG_CALL">
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<synopsis>Raised when two halves of a Local Channel have finished optimizing
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themselves out of the media path.</synopsis>
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<syntax>
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2013-08-01 17:07:52 +00:00
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<channel_snapshot prefix="LocalOne"/>
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<channel_snapshot prefix="LocalTwo"/>
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2013-08-22 18:52:41 +00:00
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<parameter name="Success">
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<para>Indicates whether the local optimization succeeded.</para>
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</parameter>
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<parameter name="Id">
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<para>Identification for the optimization operation. Matches the <replaceable>Id</replaceable>
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from a previous <literal>LocalOptimizationBegin</literal></para>
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</parameter>
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2013-07-08 14:26:40 +00:00
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</syntax>
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<see-also>
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<ref type="managerEvent">LocalOptimizationBegin</ref>
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<ref type="manager">LocalOptimizeAway</ref>
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</see-also>
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</managerEventInstance>
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</managerEvent>
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2013-05-21 18:00:22 +00:00
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***/
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static const char tdesc[] = "Local Proxy Channel Driver";
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static struct ao2_container *locals;
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static struct ast_channel *local_request(const char *type, struct ast_format_cap *cap, const struct ast_channel *requestor, const char *data, int *cause);
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static int local_call(struct ast_channel *ast, const char *dest, int timeout);
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static int local_hangup(struct ast_channel *ast);
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static int local_devicestate(const char *data);
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2013-08-22 18:52:41 +00:00
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static void local_optimization_started_cb(struct ast_unreal_pvt *base, struct ast_channel *source,
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enum ast_unreal_channel_indicator dest, unsigned int id);
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static void local_optimization_finished_cb(struct ast_unreal_pvt *base, int success, unsigned int id);
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2013-07-08 14:26:40 +00:00
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static struct ast_manager_event_blob *local_message_to_ami(struct stasis_message *msg);
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/*!
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* @{ \brief Define local channel message types.
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*/
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STASIS_MESSAGE_TYPE_DEFN(ast_local_bridge_type,
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.to_ami = local_message_to_ami,
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);
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STASIS_MESSAGE_TYPE_DEFN(ast_local_optimization_begin_type,
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.to_ami = local_message_to_ami,
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);
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STASIS_MESSAGE_TYPE_DEFN(ast_local_optimization_end_type,
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.to_ami = local_message_to_ami,
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);
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/*! @} */
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/*! \brief Callbacks from the unreal core when channel optimization occurs */
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struct ast_unreal_pvt_callbacks local_unreal_callbacks = {
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.optimization_started = local_optimization_started_cb,
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.optimization_finished = local_optimization_finished_cb,
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};
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2013-05-21 18:00:22 +00:00
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/* PBX interface structure for channel registration */
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static struct ast_channel_tech local_tech = {
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.type = "Local",
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.description = tdesc,
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.requester = local_request,
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.send_digit_begin = ast_unreal_digit_begin,
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.send_digit_end = ast_unreal_digit_end,
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.call = local_call,
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.hangup = local_hangup,
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.answer = ast_unreal_answer,
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.read = ast_unreal_read,
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.write = ast_unreal_write,
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.write_video = ast_unreal_write,
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.exception = ast_unreal_read,
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.indicate = ast_unreal_indicate,
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.fixup = ast_unreal_fixup,
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.send_html = ast_unreal_sendhtml,
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.send_text = ast_unreal_sendtext,
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.devicestate = local_devicestate,
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.queryoption = ast_unreal_queryoption,
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.setoption = ast_unreal_setoption,
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};
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/*! What to do with the ;2 channel when ast_call() happens. */
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enum local_call_action {
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/* The ast_call() will run dialplan on the ;2 channel. */
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LOCAL_CALL_ACTION_DIALPLAN,
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/* The ast_call() will impart the ;2 channel into a bridge. */
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LOCAL_CALL_ACTION_BRIDGE,
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/* The ast_call() will masquerade the ;2 channel into a channel. */
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LOCAL_CALL_ACTION_MASQUERADE,
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};
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/*! Join a bridge on ast_call() parameters. */
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struct local_bridge {
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/*! Bridge to join. */
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struct ast_bridge *join;
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/*! Channel to swap with when joining bridge. */
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struct ast_channel *swap;
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/*! Features that are specific to this channel when pushed into the bridge. */
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struct ast_bridge_features *features;
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};
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/*!
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* \brief the local pvt structure for all channels
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*
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* The local channel pvt has two ast_chan objects - the "owner" and the "next channel", the outbound channel
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*
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* ast_chan owner -> local_pvt -> ast_chan chan
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*/
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struct local_pvt {
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/*! Unreal channel driver base class values. */
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struct ast_unreal_pvt base;
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/*! Additional action arguments */
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union {
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/*! Make ;2 join a bridge on ast_call(). */
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struct local_bridge bridge;
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/*! Make ;2 masquerade into this channel on ast_call(). */
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struct ast_channel *masq;
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} action;
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/*! What to do with the ;2 channel on ast_call(). */
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enum local_call_action type;
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/*! Context to call */
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char context[AST_MAX_CONTEXT];
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/*! Extension to call */
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char exten[AST_MAX_EXTENSION];
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};
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struct ast_channel *ast_local_get_peer(struct ast_channel *ast)
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{
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struct local_pvt *p = ast_channel_tech_pvt(ast);
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struct local_pvt *found;
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struct ast_channel *peer;
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if (!p) {
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return NULL;
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}
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found = p ? ao2_find(locals, p, 0) : NULL;
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if (!found) {
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/* ast is either not a local channel or it has alredy been hungup */
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return NULL;
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}
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ao2_lock(found);
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if (ast == p->base.owner) {
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peer = p->base.chan;
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} else if (ast == p->base.chan) {
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peer = p->base.owner;
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} else {
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peer = NULL;
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}
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if (peer) {
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ast_channel_ref(peer);
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}
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ao2_unlock(found);
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ao2_ref(found, -1);
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return peer;
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}
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/*! \brief Adds devicestate to local channels */
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static int local_devicestate(const char *data)
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{
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int is_inuse = 0;
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int res = AST_DEVICE_INVALID;
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char *exten = ast_strdupa(data);
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char *context;
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char *opts;
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struct local_pvt *lp;
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struct ao2_iterator it;
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/* Strip options if they exist */
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opts = strchr(exten, '/');
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if (opts) {
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*opts = '\0';
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}
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context = strchr(exten, '@');
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if (!context) {
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ast_log(LOG_WARNING,
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"Someone used Local/%s somewhere without a @context. This is bad.\n", data);
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return AST_DEVICE_INVALID;
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}
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*context++ = '\0';
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it = ao2_iterator_init(locals, 0);
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for (; (lp = ao2_iterator_next(&it)); ao2_ref(lp, -1)) {
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ao2_lock(lp);
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if (!strcmp(exten, lp->exten)
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&& !strcmp(context, lp->context)) {
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res = AST_DEVICE_NOT_INUSE;
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if (lp->base.owner
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&& ast_test_flag(&lp->base, AST_UNREAL_CARETAKER_THREAD)) {
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is_inuse = 1;
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}
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}
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ao2_unlock(lp);
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if (is_inuse) {
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res = AST_DEVICE_INUSE;
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ao2_ref(lp, -1);
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break;
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}
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}
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ao2_iterator_destroy(&it);
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if (res == AST_DEVICE_INVALID) {
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ast_debug(3, "Checking if extension %s@%s exists (devicestate)\n", exten, context);
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if (ast_exists_extension(NULL, context, exten, 1, NULL)) {
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res = AST_DEVICE_NOT_INUSE;
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}
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}
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return res;
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}
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2013-08-22 18:52:41 +00:00
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static struct ast_multi_channel_blob *local_channel_optimization_blob(struct local_pvt *p,
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struct ast_json *json_object)
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2013-07-01 13:16:09 +00:00
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{
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2013-08-22 18:52:41 +00:00
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struct ast_multi_channel_blob *payload;
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2013-07-08 14:26:40 +00:00
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RAII_VAR(struct ast_channel_snapshot *, local_one_snapshot, NULL, ao2_cleanup);
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RAII_VAR(struct ast_channel_snapshot *, local_two_snapshot, NULL, ao2_cleanup);
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local_one_snapshot = ast_channel_snapshot_create(p->base.owner);
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if (!local_one_snapshot) {
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2013-08-22 18:52:41 +00:00
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return NULL;
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2013-07-08 14:26:40 +00:00
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}
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local_two_snapshot = ast_channel_snapshot_create(p->base.chan);
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if (!local_two_snapshot) {
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2013-08-22 18:52:41 +00:00
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return NULL;
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2013-07-08 14:26:40 +00:00
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}
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2013-08-22 18:52:41 +00:00
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payload = ast_multi_channel_blob_create(json_object);
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2013-07-08 14:26:40 +00:00
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if (!payload) {
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2013-08-22 18:52:41 +00:00
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return NULL;
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2013-07-08 14:26:40 +00:00
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}
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|
|
ast_multi_channel_blob_add_channel(payload, "1", local_one_snapshot);
|
|
|
|
ast_multi_channel_blob_add_channel(payload, "2", local_two_snapshot);
|
|
|
|
|
2013-08-22 18:52:41 +00:00
|
|
|
return payload;
|
2013-07-08 14:26:40 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
/*! \brief Callback for \ref ast_unreal_pvt_callbacks \ref optimization_started_cb */
|
2013-08-22 18:52:41 +00:00
|
|
|
static void local_optimization_started_cb(struct ast_unreal_pvt *base, struct ast_channel *source,
|
|
|
|
enum ast_unreal_channel_indicator dest, unsigned int id)
|
2013-07-08 14:26:40 +00:00
|
|
|
{
|
2013-08-22 18:52:41 +00:00
|
|
|
RAII_VAR(struct ast_json *, json_object, ast_json_null(), ast_json_unref);
|
|
|
|
RAII_VAR(struct ast_multi_channel_blob *, payload, NULL, ao2_cleanup);
|
|
|
|
RAII_VAR(struct stasis_message *, msg, NULL, ao2_cleanup);
|
2013-07-08 14:26:40 +00:00
|
|
|
struct local_pvt *p = (struct local_pvt *)base;
|
2013-08-22 18:52:41 +00:00
|
|
|
|
|
|
|
json_object = ast_json_pack("{s: i, s: i}",
|
|
|
|
"dest", dest, "id", id);
|
|
|
|
|
|
|
|
if (!json_object) {
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
|
|
|
|
payload = local_channel_optimization_blob(p, json_object);
|
|
|
|
if (!payload) {
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
|
|
|
|
if (source) {
|
|
|
|
RAII_VAR(struct ast_channel_snapshot *, source_snapshot, NULL, ao2_cleanup);
|
|
|
|
source_snapshot = ast_channel_snapshot_create(source);
|
|
|
|
if (!source_snapshot) {
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
|
|
|
|
ast_multi_channel_blob_add_channel(payload, "source", source_snapshot);
|
|
|
|
}
|
|
|
|
|
|
|
|
msg = stasis_message_create(ast_local_optimization_begin_type(), payload);
|
|
|
|
if (!msg) {
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
|
|
|
|
stasis_publish(ast_channel_topic(p->base.owner), msg);
|
2013-07-08 14:26:40 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
/*! \brief Callback for \ref ast_unreal_pvt_callbacks \ref optimization_finished_cb */
|
2013-08-22 18:52:41 +00:00
|
|
|
static void local_optimization_finished_cb(struct ast_unreal_pvt *base, int success, unsigned int id)
|
2013-07-08 14:26:40 +00:00
|
|
|
{
|
2013-08-22 18:52:41 +00:00
|
|
|
RAII_VAR(struct ast_json *, json_object, ast_json_null(), ast_json_unref);
|
|
|
|
RAII_VAR(struct ast_multi_channel_blob *, payload, NULL, ao2_cleanup);
|
|
|
|
RAII_VAR(struct stasis_message *, msg, NULL, ao2_cleanup);
|
2013-07-08 14:26:40 +00:00
|
|
|
struct local_pvt *p = (struct local_pvt *)base;
|
2013-08-22 18:52:41 +00:00
|
|
|
|
|
|
|
json_object = ast_json_pack("{s: i, s: i}", "success", success, "id", id);
|
|
|
|
|
|
|
|
if (!json_object) {
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
|
|
|
|
payload = local_channel_optimization_blob(p, json_object);
|
|
|
|
if (!payload) {
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
|
|
|
|
msg = stasis_message_create(ast_local_optimization_end_type(), payload);
|
|
|
|
if (!msg) {
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
|
|
|
|
stasis_publish(ast_channel_topic(p->base.owner), msg);
|
2013-07-08 14:26:40 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
static struct ast_manager_event_blob *local_message_to_ami(struct stasis_message *message)
|
|
|
|
{
|
|
|
|
struct ast_multi_channel_blob *obj = stasis_message_data(message);
|
|
|
|
struct ast_json *blob = ast_multi_channel_blob_get_json(obj);
|
|
|
|
struct ast_channel_snapshot *local_snapshot_one;
|
|
|
|
struct ast_channel_snapshot *local_snapshot_two;
|
|
|
|
RAII_VAR(struct ast_str *, local_channel_one, NULL, ast_free);
|
|
|
|
RAII_VAR(struct ast_str *, local_channel_two, NULL, ast_free);
|
2013-09-06 20:21:21 +00:00
|
|
|
RAII_VAR(struct ast_str *, event_buffer, NULL, ast_free);
|
2013-07-08 14:26:40 +00:00
|
|
|
const char *event;
|
|
|
|
|
|
|
|
local_snapshot_one = ast_multi_channel_blob_get_channel(obj, "1");
|
|
|
|
local_snapshot_two = ast_multi_channel_blob_get_channel(obj, "2");
|
|
|
|
if (!local_snapshot_one || !local_snapshot_two) {
|
2013-07-01 13:16:09 +00:00
|
|
|
return NULL;
|
|
|
|
}
|
|
|
|
|
2013-09-06 20:21:21 +00:00
|
|
|
event_buffer = ast_str_create(1024);
|
2013-07-08 14:26:40 +00:00
|
|
|
local_channel_one = ast_manager_build_channel_state_string_prefix(local_snapshot_one, "LocalOne");
|
|
|
|
local_channel_two = ast_manager_build_channel_state_string_prefix(local_snapshot_two, "LocalTwo");
|
2013-09-06 20:21:21 +00:00
|
|
|
if (!event_buffer || !local_channel_one || !local_channel_two) {
|
2013-07-01 13:16:09 +00:00
|
|
|
return NULL;
|
|
|
|
}
|
|
|
|
|
2013-07-08 14:26:40 +00:00
|
|
|
if (stasis_message_type(message) == ast_local_optimization_begin_type()) {
|
2013-08-22 18:52:41 +00:00
|
|
|
struct ast_channel_snapshot *source_snapshot;
|
|
|
|
RAII_VAR(struct ast_str *, source_str, NULL, ast_free);
|
|
|
|
const char *dest_uniqueid;
|
|
|
|
|
|
|
|
source_snapshot = ast_multi_channel_blob_get_channel(obj, "source");
|
|
|
|
if (source_snapshot) {
|
|
|
|
source_str = ast_manager_build_channel_state_string_prefix(source_snapshot, "Source");
|
|
|
|
if (!source_str) {
|
|
|
|
return NULL;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
dest_uniqueid = ast_json_object_get(blob, "dest") == AST_UNREAL_OWNER ?
|
|
|
|
local_snapshot_one->uniqueid : local_snapshot_two->uniqueid;
|
|
|
|
|
2013-07-08 14:26:40 +00:00
|
|
|
event = "LocalOptimizationBegin";
|
2013-08-22 18:52:41 +00:00
|
|
|
if (source_str) {
|
|
|
|
ast_str_append(&event_buffer, 0, "%s", ast_str_buffer(source_str));
|
|
|
|
}
|
|
|
|
ast_str_append(&event_buffer, 0, "DestUniqueId: %s\r\n", dest_uniqueid);
|
|
|
|
ast_str_append(&event_buffer, 0, "Id: %u\r\n", (unsigned int) ast_json_integer_get(ast_json_object_get(blob, "id")));
|
2013-07-08 14:26:40 +00:00
|
|
|
} else if (stasis_message_type(message) == ast_local_optimization_end_type()) {
|
|
|
|
event = "LocalOptimizationEnd";
|
2013-08-22 18:52:41 +00:00
|
|
|
ast_str_append(&event_buffer, 0, "Success: %s\r\n", ast_json_integer_get(ast_json_object_get(blob, "success")) ? "Yes" : "No");
|
|
|
|
ast_str_append(&event_buffer, 0, "Id: %u\r\n", (unsigned int) ast_json_integer_get(ast_json_object_get(blob, "id")));
|
2013-07-08 14:26:40 +00:00
|
|
|
} else if (stasis_message_type(message) == ast_local_bridge_type()) {
|
|
|
|
event = "LocalBridge";
|
|
|
|
ast_str_append(&event_buffer, 0, "Context: %s\r\n", ast_json_string_get(ast_json_object_get(blob, "context")));
|
|
|
|
ast_str_append(&event_buffer, 0, "Exten: %s\r\n", ast_json_string_get(ast_json_object_get(blob, "exten")));
|
|
|
|
ast_str_append(&event_buffer, 0, "LocalOptimization: %s\r\n", ast_json_is_true(ast_json_object_get(blob, "can_optimize")) ? "Yes" : "No");
|
|
|
|
} else {
|
|
|
|
return NULL;
|
|
|
|
}
|
2013-07-01 13:16:09 +00:00
|
|
|
|
2013-07-08 14:26:40 +00:00
|
|
|
return ast_manager_event_blob_create(EVENT_FLAG_CALL, event,
|
2013-07-01 13:16:09 +00:00
|
|
|
"%s"
|
|
|
|
"%s"
|
2013-07-08 14:26:40 +00:00
|
|
|
"%s",
|
|
|
|
ast_str_buffer(local_channel_one),
|
|
|
|
ast_str_buffer(local_channel_two),
|
|
|
|
ast_str_buffer(event_buffer));
|
2013-07-01 13:16:09 +00:00
|
|
|
}
|
|
|
|
|
2013-05-21 18:00:22 +00:00
|
|
|
/*!
|
|
|
|
* \internal
|
2013-07-08 14:26:40 +00:00
|
|
|
* \brief Post the \ref ast_local_bridge_type \ref stasis message
|
2013-05-21 18:00:22 +00:00
|
|
|
* \since 12.0.0
|
|
|
|
*
|
2013-07-08 14:26:40 +00:00
|
|
|
* \param p local_pvt to raise the local bridge message
|
2013-05-21 18:00:22 +00:00
|
|
|
*
|
|
|
|
* \return Nothing
|
|
|
|
*/
|
2013-07-08 14:26:40 +00:00
|
|
|
static void publish_local_bridge_message(struct local_pvt *p)
|
2013-05-21 18:00:22 +00:00
|
|
|
{
|
2013-07-01 13:16:09 +00:00
|
|
|
RAII_VAR(struct ast_multi_channel_blob *, multi_blob, NULL, ao2_cleanup);
|
|
|
|
RAII_VAR(struct ast_json *, blob, NULL, ast_json_unref);
|
|
|
|
RAII_VAR(struct stasis_message *, msg, NULL, ao2_cleanup);
|
|
|
|
RAII_VAR(struct ast_channel_snapshot *, one_snapshot, NULL, ao2_cleanup);
|
|
|
|
RAII_VAR(struct ast_channel_snapshot *, two_snapshot, NULL, ao2_cleanup);
|
2013-12-05 22:10:20 +00:00
|
|
|
SCOPED_AO2LOCK(lock, p);
|
2013-07-01 13:16:09 +00:00
|
|
|
|
|
|
|
blob = ast_json_pack("{s: s, s: s, s: b}",
|
|
|
|
"context", p->context,
|
|
|
|
"exten", p->exten,
|
2013-07-08 14:26:40 +00:00
|
|
|
"can_optimize", !ast_test_flag(&p->base, AST_UNREAL_NO_OPTIMIZATION));
|
2013-07-01 13:16:09 +00:00
|
|
|
if (!blob) {
|
2013-12-05 22:10:20 +00:00
|
|
|
return;
|
2013-07-01 13:16:09 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
multi_blob = ast_multi_channel_blob_create(blob);
|
|
|
|
if (!multi_blob) {
|
2013-12-05 22:10:20 +00:00
|
|
|
return;
|
2013-07-01 13:16:09 +00:00
|
|
|
}
|
|
|
|
|
2013-12-05 22:10:20 +00:00
|
|
|
one_snapshot = ast_channel_snapshot_create(p->base.owner);
|
2013-07-01 13:16:09 +00:00
|
|
|
if (!one_snapshot) {
|
2013-12-05 22:10:20 +00:00
|
|
|
return;
|
2013-07-01 13:16:09 +00:00
|
|
|
}
|
|
|
|
|
2013-12-05 22:10:20 +00:00
|
|
|
two_snapshot = ast_channel_snapshot_create(p->base.chan);
|
2013-07-01 13:16:09 +00:00
|
|
|
if (!two_snapshot) {
|
2013-12-05 22:10:20 +00:00
|
|
|
return;
|
2013-07-01 13:16:09 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
ast_multi_channel_blob_add_channel(multi_blob, "1", one_snapshot);
|
|
|
|
ast_multi_channel_blob_add_channel(multi_blob, "2", two_snapshot);
|
|
|
|
|
2013-07-08 14:26:40 +00:00
|
|
|
msg = stasis_message_create(ast_local_bridge_type(), multi_blob);
|
2013-07-01 13:16:09 +00:00
|
|
|
if (!msg) {
|
2013-12-05 22:10:20 +00:00
|
|
|
return;
|
2013-07-01 13:16:09 +00:00
|
|
|
}
|
|
|
|
|
2013-12-05 22:10:20 +00:00
|
|
|
stasis_publish(ast_channel_topic(p->base.owner), msg);
|
2013-05-21 18:00:22 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
int ast_local_setup_bridge(struct ast_channel *ast, struct ast_bridge *bridge, struct ast_channel *swap, struct ast_bridge_features *features)
|
|
|
|
{
|
|
|
|
struct local_pvt *p;
|
|
|
|
struct local_pvt *found;
|
|
|
|
int res = -1;
|
|
|
|
|
|
|
|
/* Sanity checks. */
|
|
|
|
if (!ast || !bridge) {
|
|
|
|
ast_bridge_features_destroy(features);
|
|
|
|
return -1;
|
|
|
|
}
|
|
|
|
|
|
|
|
ast_channel_lock(ast);
|
|
|
|
p = ast_channel_tech_pvt(ast);
|
|
|
|
ast_channel_unlock(ast);
|
|
|
|
|
|
|
|
found = p ? ao2_find(locals, p, 0) : NULL;
|
|
|
|
if (found) {
|
|
|
|
ao2_lock(found);
|
|
|
|
if (found->type == LOCAL_CALL_ACTION_DIALPLAN
|
|
|
|
&& found->base.owner
|
|
|
|
&& found->base.chan
|
|
|
|
&& !ast_test_flag(&found->base, AST_UNREAL_CARETAKER_THREAD)) {
|
|
|
|
ao2_ref(bridge, +1);
|
|
|
|
if (swap) {
|
|
|
|
ast_channel_ref(swap);
|
|
|
|
}
|
|
|
|
found->type = LOCAL_CALL_ACTION_BRIDGE;
|
|
|
|
found->action.bridge.join = bridge;
|
|
|
|
found->action.bridge.swap = swap;
|
|
|
|
found->action.bridge.features = features;
|
|
|
|
res = 0;
|
|
|
|
} else {
|
|
|
|
ast_bridge_features_destroy(features);
|
|
|
|
}
|
|
|
|
ao2_unlock(found);
|
|
|
|
ao2_ref(found, -1);
|
|
|
|
}
|
|
|
|
|
|
|
|
return res;
|
|
|
|
}
|
|
|
|
|
|
|
|
int ast_local_setup_masquerade(struct ast_channel *ast, struct ast_channel *masq)
|
|
|
|
{
|
|
|
|
struct local_pvt *p;
|
|
|
|
struct local_pvt *found;
|
|
|
|
int res = -1;
|
|
|
|
|
|
|
|
/* Sanity checks. */
|
|
|
|
if (!ast || !masq) {
|
|
|
|
return -1;
|
|
|
|
}
|
|
|
|
|
|
|
|
ast_channel_lock(ast);
|
|
|
|
p = ast_channel_tech_pvt(ast);
|
|
|
|
ast_channel_unlock(ast);
|
|
|
|
|
|
|
|
found = p ? ao2_find(locals, p, 0) : NULL;
|
|
|
|
if (found) {
|
|
|
|
ao2_lock(found);
|
|
|
|
if (found->type == LOCAL_CALL_ACTION_DIALPLAN
|
|
|
|
&& found->base.owner
|
|
|
|
&& found->base.chan
|
|
|
|
&& !ast_test_flag(&found->base, AST_UNREAL_CARETAKER_THREAD)) {
|
|
|
|
ast_channel_ref(masq);
|
|
|
|
found->type = LOCAL_CALL_ACTION_MASQUERADE;
|
|
|
|
found->action.masq = masq;
|
|
|
|
res = 0;
|
|
|
|
}
|
|
|
|
ao2_unlock(found);
|
|
|
|
ao2_ref(found, -1);
|
|
|
|
}
|
|
|
|
|
|
|
|
return res;
|
|
|
|
}
|
|
|
|
|
|
|
|
/*! \brief Initiate new call, part of PBX interface
|
|
|
|
* dest is the dial string */
|
|
|
|
static int local_call(struct ast_channel *ast, const char *dest, int timeout)
|
|
|
|
{
|
|
|
|
struct local_pvt *p = ast_channel_tech_pvt(ast);
|
|
|
|
int pvt_locked = 0;
|
|
|
|
|
|
|
|
struct ast_channel *owner = NULL;
|
|
|
|
struct ast_channel *chan = NULL;
|
|
|
|
int res;
|
|
|
|
char *reduced_dest = ast_strdupa(dest);
|
|
|
|
char *slash;
|
|
|
|
const char *chan_cid;
|
|
|
|
|
|
|
|
if (!p) {
|
|
|
|
return -1;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* since we are letting go of channel locks that were locked coming into
|
|
|
|
* this function, then we need to give the tech pvt a ref */
|
|
|
|
ao2_ref(p, 1);
|
|
|
|
ast_channel_unlock(ast);
|
|
|
|
|
|
|
|
ast_unreal_lock_all(&p->base, &chan, &owner);
|
|
|
|
pvt_locked = 1;
|
|
|
|
|
|
|
|
if (owner != ast) {
|
|
|
|
res = -1;
|
|
|
|
goto return_cleanup;
|
|
|
|
}
|
|
|
|
|
|
|
|
if (!owner || !chan) {
|
|
|
|
res = -1;
|
|
|
|
goto return_cleanup;
|
|
|
|
}
|
|
|
|
|
|
|
|
ast_unreal_call_setup(owner, chan);
|
|
|
|
|
|
|
|
/*
|
|
|
|
* If the local channel has /n on the end of it, we need to lop
|
|
|
|
* that off for our argument to setting up the CC_INTERFACES
|
|
|
|
* variable.
|
|
|
|
*/
|
|
|
|
if ((slash = strrchr(reduced_dest, '/'))) {
|
|
|
|
*slash = '\0';
|
|
|
|
}
|
|
|
|
ast_set_cc_interfaces_chanvar(chan, reduced_dest);
|
|
|
|
|
|
|
|
ao2_unlock(p);
|
|
|
|
pvt_locked = 0;
|
|
|
|
|
|
|
|
ast_channel_unlock(owner);
|
|
|
|
|
|
|
|
chan_cid = S_COR(ast_channel_caller(chan)->id.number.valid,
|
|
|
|
ast_channel_caller(chan)->id.number.str, NULL);
|
|
|
|
if (chan_cid) {
|
|
|
|
chan_cid = ast_strdupa(chan_cid);
|
|
|
|
}
|
|
|
|
ast_channel_unlock(chan);
|
|
|
|
|
|
|
|
res = -1;
|
|
|
|
switch (p->type) {
|
|
|
|
case LOCAL_CALL_ACTION_DIALPLAN:
|
|
|
|
if (!ast_exists_extension(NULL, p->context, p->exten, 1, chan_cid)) {
|
|
|
|
ast_log(LOG_NOTICE, "No such extension/context %s@%s while calling Local channel\n",
|
|
|
|
p->exten, p->context);
|
|
|
|
} else {
|
2013-07-08 14:26:40 +00:00
|
|
|
publish_local_bridge_message(p);
|
2013-05-21 18:00:22 +00:00
|
|
|
|
|
|
|
/* Start switch on sub channel */
|
|
|
|
res = ast_pbx_start(chan);
|
|
|
|
}
|
|
|
|
break;
|
|
|
|
case LOCAL_CALL_ACTION_BRIDGE:
|
2013-07-08 14:26:40 +00:00
|
|
|
publish_local_bridge_message(p);
|
2013-05-21 18:00:22 +00:00
|
|
|
ast_answer(chan);
|
|
|
|
res = ast_bridge_impart(p->action.bridge.join, chan, p->action.bridge.swap,
|
2013-09-13 22:19:23 +00:00
|
|
|
p->action.bridge.features, AST_BRIDGE_IMPART_CHAN_INDEPENDENT);
|
2013-05-21 18:00:22 +00:00
|
|
|
ao2_ref(p->action.bridge.join, -1);
|
|
|
|
p->action.bridge.join = NULL;
|
|
|
|
ao2_cleanup(p->action.bridge.swap);
|
|
|
|
p->action.bridge.swap = NULL;
|
|
|
|
p->action.bridge.features = NULL;
|
|
|
|
break;
|
|
|
|
case LOCAL_CALL_ACTION_MASQUERADE:
|
2013-07-08 14:26:40 +00:00
|
|
|
publish_local_bridge_message(p);
|
2013-05-21 18:00:22 +00:00
|
|
|
ast_answer(chan);
|
2013-06-05 23:29:43 +00:00
|
|
|
res = ast_channel_move(p->action.masq, chan);
|
2013-05-21 18:00:22 +00:00
|
|
|
if (!res) {
|
|
|
|
/* Chan is now an orphaned zombie. Destroy it. */
|
|
|
|
ast_hangup(chan);
|
|
|
|
}
|
|
|
|
p->action.masq = ast_channel_unref(p->action.masq);
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
if (!res) {
|
|
|
|
ao2_lock(p);
|
|
|
|
ast_set_flag(&p->base, AST_UNREAL_CARETAKER_THREAD);
|
|
|
|
ao2_unlock(p);
|
|
|
|
}
|
|
|
|
|
|
|
|
/* we already unlocked them, clear them here so the cleanup label won't touch them. */
|
|
|
|
owner = ast_channel_unref(owner);
|
|
|
|
chan = ast_channel_unref(chan);
|
|
|
|
|
|
|
|
return_cleanup:
|
|
|
|
if (p) {
|
|
|
|
if (pvt_locked) {
|
|
|
|
ao2_unlock(p);
|
|
|
|
}
|
|
|
|
ao2_ref(p, -1);
|
|
|
|
}
|
|
|
|
if (chan) {
|
|
|
|
ast_channel_unlock(chan);
|
|
|
|
ast_channel_unref(chan);
|
|
|
|
}
|
|
|
|
|
|
|
|
/*
|
|
|
|
* owner is supposed to be == to ast, if it is, don't unlock it
|
|
|
|
* because ast must exit locked
|
|
|
|
*/
|
|
|
|
if (owner) {
|
|
|
|
if (owner != ast) {
|
|
|
|
ast_channel_unlock(owner);
|
|
|
|
ast_channel_lock(ast);
|
|
|
|
}
|
|
|
|
ast_channel_unref(owner);
|
|
|
|
} else {
|
|
|
|
/* we have to exit with ast locked */
|
|
|
|
ast_channel_lock(ast);
|
|
|
|
}
|
|
|
|
|
|
|
|
return res;
|
|
|
|
}
|
|
|
|
|
|
|
|
/*! \brief Hangup a call through the local proxy channel */
|
|
|
|
static int local_hangup(struct ast_channel *ast)
|
|
|
|
{
|
|
|
|
struct local_pvt *p = ast_channel_tech_pvt(ast);
|
|
|
|
int res;
|
|
|
|
|
|
|
|
if (!p) {
|
|
|
|
return -1;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* give the pvt a ref to fulfill calling requirements. */
|
|
|
|
ao2_ref(p, +1);
|
|
|
|
res = ast_unreal_hangup(&p->base, ast);
|
|
|
|
if (!res) {
|
|
|
|
int unlink;
|
|
|
|
|
|
|
|
ao2_lock(p);
|
|
|
|
unlink = !p->base.owner && !p->base.chan;
|
|
|
|
ao2_unlock(p);
|
|
|
|
if (unlink) {
|
|
|
|
ao2_unlink(locals, p);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
ao2_ref(p, -1);
|
|
|
|
|
|
|
|
return res;
|
|
|
|
}
|
|
|
|
|
|
|
|
/*!
|
|
|
|
* \internal
|
|
|
|
* \brief struct local_pvt destructor.
|
|
|
|
*
|
|
|
|
* \param vdoomed Object to destroy.
|
|
|
|
*
|
|
|
|
* \return Nothing
|
|
|
|
*/
|
|
|
|
static void local_pvt_destructor(void *vdoomed)
|
|
|
|
{
|
|
|
|
struct local_pvt *doomed = vdoomed;
|
|
|
|
|
|
|
|
switch (doomed->type) {
|
|
|
|
case LOCAL_CALL_ACTION_DIALPLAN:
|
|
|
|
break;
|
|
|
|
case LOCAL_CALL_ACTION_BRIDGE:
|
|
|
|
ao2_cleanup(doomed->action.bridge.join);
|
|
|
|
ao2_cleanup(doomed->action.bridge.swap);
|
|
|
|
ast_bridge_features_destroy(doomed->action.bridge.features);
|
|
|
|
break;
|
|
|
|
case LOCAL_CALL_ACTION_MASQUERADE:
|
|
|
|
ao2_cleanup(doomed->action.masq);
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
ast_unreal_destructor(&doomed->base);
|
|
|
|
}
|
|
|
|
|
|
|
|
/*! \brief Create a call structure */
|
|
|
|
static struct local_pvt *local_alloc(const char *data, struct ast_format_cap *cap)
|
|
|
|
{
|
|
|
|
struct local_pvt *pvt;
|
|
|
|
char *parse;
|
|
|
|
char *context;
|
|
|
|
char *opts;
|
|
|
|
|
|
|
|
pvt = (struct local_pvt *) ast_unreal_alloc(sizeof(*pvt), local_pvt_destructor, cap);
|
|
|
|
if (!pvt) {
|
|
|
|
return NULL;
|
|
|
|
}
|
2013-07-08 14:26:40 +00:00
|
|
|
pvt->base.callbacks = &local_unreal_callbacks;
|
2013-05-21 18:00:22 +00:00
|
|
|
|
|
|
|
parse = ast_strdupa(data);
|
|
|
|
|
|
|
|
/*
|
|
|
|
* Local channels intercept MOH by default.
|
|
|
|
*
|
|
|
|
* This is a silly default because it represents state held by
|
|
|
|
* the local channels. Unless local channel optimization is
|
|
|
|
* disabled, the state will dissapear when the local channels
|
|
|
|
* optimize out.
|
|
|
|
*/
|
|
|
|
ast_set_flag(&pvt->base, AST_UNREAL_MOH_INTERCEPT);
|
|
|
|
|
|
|
|
/* Look for options */
|
|
|
|
if ((opts = strchr(parse, '/'))) {
|
|
|
|
*opts++ = '\0';
|
|
|
|
if (strchr(opts, 'n')) {
|
|
|
|
ast_set_flag(&pvt->base, AST_UNREAL_NO_OPTIMIZATION);
|
|
|
|
}
|
|
|
|
if (strchr(opts, 'j')) {
|
|
|
|
if (ast_test_flag(&pvt->base, AST_UNREAL_NO_OPTIMIZATION)) {
|
|
|
|
ast_set_flag(&pvt->base.jb_conf, AST_JB_ENABLED);
|
|
|
|
} else {
|
|
|
|
ast_log(LOG_ERROR, "You must use the 'n' option with the 'j' option to enable the jitter buffer\n");
|
|
|
|
}
|
|
|
|
}
|
|
|
|
if (strchr(opts, 'm')) {
|
|
|
|
ast_clear_flag(&pvt->base, AST_UNREAL_MOH_INTERCEPT);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
/* Look for a context */
|
|
|
|
if ((context = strchr(parse, '@'))) {
|
|
|
|
*context++ = '\0';
|
|
|
|
}
|
|
|
|
|
|
|
|
ast_copy_string(pvt->context, S_OR(context, "default"), sizeof(pvt->context));
|
|
|
|
ast_copy_string(pvt->exten, parse, sizeof(pvt->exten));
|
|
|
|
snprintf(pvt->base.name, sizeof(pvt->base.name), "%s@%s", pvt->exten, pvt->context);
|
|
|
|
|
|
|
|
return pvt; /* this is returned with a ref */
|
|
|
|
}
|
|
|
|
|
|
|
|
/*! \brief Part of PBX interface */
|
|
|
|
static struct ast_channel *local_request(const char *type, struct ast_format_cap *cap, const struct ast_channel *requestor, const char *data, int *cause)
|
|
|
|
{
|
|
|
|
struct local_pvt *p;
|
|
|
|
struct ast_channel *chan;
|
|
|
|
struct ast_callid *callid;
|
|
|
|
|
|
|
|
/* Allocate a new private structure and then Asterisk channels */
|
|
|
|
p = local_alloc(data, cap);
|
|
|
|
if (!p) {
|
|
|
|
return NULL;
|
|
|
|
}
|
|
|
|
callid = ast_read_threadstorage_callid();
|
|
|
|
chan = ast_unreal_new_channels(&p->base, &local_tech, AST_STATE_DOWN, AST_STATE_RING,
|
|
|
|
p->exten, p->context, requestor, callid);
|
|
|
|
if (chan) {
|
|
|
|
ao2_link(locals, p);
|
|
|
|
}
|
|
|
|
if (callid) {
|
|
|
|
ast_callid_unref(callid);
|
|
|
|
}
|
|
|
|
ao2_ref(p, -1); /* kill the ref from the alloc */
|
|
|
|
|
|
|
|
return chan;
|
|
|
|
}
|
|
|
|
|
|
|
|
/*! \brief CLI command "local show channels" */
|
|
|
|
static char *locals_show(struct ast_cli_entry *e, int cmd, struct ast_cli_args *a)
|
|
|
|
{
|
|
|
|
struct local_pvt *p;
|
|
|
|
struct ao2_iterator it;
|
|
|
|
|
|
|
|
switch (cmd) {
|
|
|
|
case CLI_INIT:
|
|
|
|
e->command = "local show channels";
|
|
|
|
e->usage =
|
|
|
|
"Usage: local show channels\n"
|
|
|
|
" Provides summary information on active local proxy channels.\n";
|
|
|
|
return NULL;
|
|
|
|
case CLI_GENERATE:
|
|
|
|
return NULL;
|
|
|
|
}
|
|
|
|
|
|
|
|
if (a->argc != 3) {
|
|
|
|
return CLI_SHOWUSAGE;
|
|
|
|
}
|
|
|
|
|
|
|
|
if (ao2_container_count(locals) == 0) {
|
|
|
|
ast_cli(a->fd, "No local channels in use\n");
|
|
|
|
return RESULT_SUCCESS;
|
|
|
|
}
|
|
|
|
|
|
|
|
it = ao2_iterator_init(locals, 0);
|
|
|
|
while ((p = ao2_iterator_next(&it))) {
|
|
|
|
ao2_lock(p);
|
|
|
|
ast_cli(a->fd, "%s -- %s\n",
|
|
|
|
p->base.owner ? ast_channel_name(p->base.owner) : "<unowned>",
|
|
|
|
p->base.name);
|
|
|
|
ao2_unlock(p);
|
|
|
|
ao2_ref(p, -1);
|
|
|
|
}
|
|
|
|
ao2_iterator_destroy(&it);
|
|
|
|
|
|
|
|
return CLI_SUCCESS;
|
|
|
|
}
|
|
|
|
|
|
|
|
static struct ast_cli_entry cli_local[] = {
|
|
|
|
AST_CLI_DEFINE(locals_show, "List status of local channels"),
|
|
|
|
};
|
|
|
|
|
|
|
|
static int manager_optimize_away(struct mansession *s, const struct message *m)
|
|
|
|
{
|
|
|
|
const char *channel;
|
|
|
|
struct local_pvt *p;
|
|
|
|
struct local_pvt *found;
|
|
|
|
struct ast_channel *chan;
|
|
|
|
|
|
|
|
channel = astman_get_header(m, "Channel");
|
|
|
|
if (ast_strlen_zero(channel)) {
|
|
|
|
astman_send_error(s, m, "'Channel' not specified.");
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
chan = ast_channel_get_by_name(channel);
|
|
|
|
if (!chan) {
|
|
|
|
astman_send_error(s, m, "Channel does not exist.");
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
p = ast_channel_tech_pvt(chan);
|
|
|
|
ast_channel_unref(chan);
|
|
|
|
|
|
|
|
found = p ? ao2_find(locals, p, 0) : NULL;
|
|
|
|
if (found) {
|
|
|
|
ao2_lock(found);
|
|
|
|
ast_clear_flag(&found->base, AST_UNREAL_NO_OPTIMIZATION);
|
|
|
|
ao2_unlock(found);
|
|
|
|
ao2_ref(found, -1);
|
|
|
|
astman_send_ack(s, m, "Queued channel to be optimized away");
|
|
|
|
} else {
|
|
|
|
astman_send_error(s, m, "Unable to find channel");
|
|
|
|
}
|
|
|
|
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
static int locals_cmp_cb(void *obj, void *arg, int flags)
|
|
|
|
{
|
|
|
|
return (obj == arg) ? CMP_MATCH : 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
/*!
|
|
|
|
* \internal
|
|
|
|
* \brief Shutdown the local proxy channel.
|
|
|
|
* \since 12.0.0
|
|
|
|
*
|
|
|
|
* \return Nothing
|
|
|
|
*/
|
|
|
|
static void local_shutdown(void)
|
|
|
|
{
|
|
|
|
struct local_pvt *p;
|
|
|
|
struct ao2_iterator it;
|
|
|
|
|
|
|
|
/* First, take us out of the channel loop */
|
|
|
|
ast_cli_unregister_multiple(cli_local, ARRAY_LEN(cli_local));
|
|
|
|
ast_manager_unregister("LocalOptimizeAway");
|
|
|
|
ast_channel_unregister(&local_tech);
|
|
|
|
|
|
|
|
it = ao2_iterator_init(locals, 0);
|
|
|
|
while ((p = ao2_iterator_next(&it))) {
|
|
|
|
if (p->base.owner) {
|
|
|
|
ast_softhangup(p->base.owner, AST_SOFTHANGUP_APPUNLOAD);
|
|
|
|
}
|
|
|
|
ao2_ref(p, -1);
|
|
|
|
}
|
|
|
|
ao2_iterator_destroy(&it);
|
|
|
|
ao2_ref(locals, -1);
|
|
|
|
locals = NULL;
|
|
|
|
|
|
|
|
ast_format_cap_destroy(local_tech.capabilities);
|
2013-07-08 14:26:40 +00:00
|
|
|
|
|
|
|
STASIS_MESSAGE_TYPE_CLEANUP(ast_local_optimization_begin_type);
|
|
|
|
STASIS_MESSAGE_TYPE_CLEANUP(ast_local_optimization_end_type);
|
|
|
|
STASIS_MESSAGE_TYPE_CLEANUP(ast_local_bridge_type);
|
2013-05-21 18:00:22 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
int ast_local_init(void)
|
|
|
|
{
|
2013-07-08 14:26:40 +00:00
|
|
|
|
|
|
|
if (STASIS_MESSAGE_TYPE_INIT(ast_local_optimization_begin_type)) {
|
|
|
|
return -1;
|
|
|
|
}
|
|
|
|
|
|
|
|
if (STASIS_MESSAGE_TYPE_INIT(ast_local_optimization_end_type)) {
|
|
|
|
return -1;
|
|
|
|
}
|
|
|
|
|
|
|
|
if (STASIS_MESSAGE_TYPE_INIT(ast_local_bridge_type)) {
|
2013-07-01 13:16:09 +00:00
|
|
|
return -1;
|
|
|
|
}
|
|
|
|
|
2013-10-03 14:58:16 +00:00
|
|
|
if (!(local_tech.capabilities = ast_format_cap_alloc(0))) {
|
2013-05-21 18:00:22 +00:00
|
|
|
return -1;
|
|
|
|
}
|
|
|
|
ast_format_cap_add_all(local_tech.capabilities);
|
|
|
|
|
|
|
|
locals = ao2_container_alloc_list(AO2_ALLOC_OPT_LOCK_MUTEX, 0, NULL, locals_cmp_cb);
|
|
|
|
if (!locals) {
|
|
|
|
ast_format_cap_destroy(local_tech.capabilities);
|
|
|
|
return -1;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* Make sure we can register our channel type */
|
|
|
|
if (ast_channel_register(&local_tech)) {
|
|
|
|
ast_log(LOG_ERROR, "Unable to register channel class 'Local'\n");
|
|
|
|
ao2_ref(locals, -1);
|
|
|
|
ast_format_cap_destroy(local_tech.capabilities);
|
|
|
|
return -1;
|
|
|
|
}
|
|
|
|
ast_cli_register_multiple(cli_local, ARRAY_LEN(cli_local));
|
|
|
|
ast_manager_register_xml_core("LocalOptimizeAway", EVENT_FLAG_SYSTEM|EVENT_FLAG_CALL, manager_optimize_away);
|
|
|
|
|
|
|
|
ast_register_atexit(local_shutdown);
|
|
|
|
return 0;
|
|
|
|
}
|