142 lines
3.6 KiB
C
142 lines
3.6 KiB
C
/*
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* Asterisk -- An open source telephony toolkit.
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*
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* Copyright (C) 2012 - 2013, Digium, Inc.
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*
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* David M. Lee, II <dlee@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 Stasis dialplan application.
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*
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* \author David M. Lee, II <dlee@digium.com>
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*/
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/*** MODULEINFO
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<depend>res_stasis</depend>
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<support_level>core</support_level>
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***/
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#include "asterisk.h"
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#include "asterisk/app.h"
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#include "asterisk/module.h"
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#include "asterisk/pbx.h"
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#include "asterisk/stasis.h"
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#include "asterisk/stasis_app_impl.h"
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/*** DOCUMENTATION
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<application name="Stasis" language="en_US">
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<synopsis>Invoke an external Stasis application.</synopsis>
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<syntax>
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<parameter name="app_name" required="true">
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<para>Name of the application to invoke.</para>
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</parameter>
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<parameter name="args">
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<para>Optional comma-delimited arguments for the
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application invocation.</para>
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</parameter>
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</syntax>
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<description>
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<para>Invoke a Stasis application.</para>
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<para>This application will set the following channel variable upon
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completion:</para>
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<variablelist>
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<variable name="STASISSTATUS">
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<para>This indicates the status of the execution of the
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Stasis application.</para>
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<value name="SUCCESS">
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The channel has exited Stasis without any failures in
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Stasis.
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</value>
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<value name="FAILED">
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A failure occurred when executing the Stasis
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The app registry is not instantiated; The app
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application. Some (not all) possible reasons for this:
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requested is not registered; The app requested is not
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active; Stasis couldn't send a start message.
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</value>
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</variable>
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</variablelist>
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</description>
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</application>
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***/
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/*! \brief Maximum number of arguments for the Stasis dialplan application */
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#define MAX_ARGS 128
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/*! \brief Dialplan application name */
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static const char *stasis = "Stasis";
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/*! \brief Stasis dialplan application callback */
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static int app_exec(struct ast_channel *chan, const char *data)
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{
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char *parse = NULL;
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int ret = -1;
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AST_DECLARE_APP_ARGS(args,
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AST_APP_ARG(app_name);
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AST_APP_ARG(app_argv)[MAX_ARGS];
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);
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ast_assert(chan != NULL);
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ast_assert(data != NULL);
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pbx_builtin_setvar_helper(chan, "STASISSTATUS", "");
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/* parse the arguments */
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parse = ast_strdupa(data);
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AST_STANDARD_APP_ARGS(args, parse);
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if (args.argc < 1) {
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ast_log(LOG_WARNING, "Stasis app_name argument missing\n");
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} else {
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ret = stasis_app_exec(chan,
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args.app_name,
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args.argc - 1,
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args.app_argv);
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}
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if (ret) {
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/* set ret to 0 so pbx_core doesnt hangup the channel */
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if (!ast_check_hangup(chan)) {
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ret = 0;
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} else {
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ret = -1;
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}
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pbx_builtin_setvar_helper(chan, "STASISSTATUS", "FAILED");
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} else {
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pbx_builtin_setvar_helper(chan, "STASISSTATUS", "SUCCESS");
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}
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return ret;
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}
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static int load_module(void)
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{
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return ast_register_application_xml(stasis, app_exec);
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}
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static int unload_module(void)
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{
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return ast_unregister_application(stasis);
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}
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AST_MODULE_INFO(ASTERISK_GPL_KEY, AST_MODFLAG_DEFAULT, "Stasis dialplan application",
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.support_level = AST_MODULE_SUPPORT_CORE,
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.load = load_module,
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.unload = unload_module,
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.requires = "res_stasis",
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);
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