mirror of http://gerrit.asterisk.org/asterisk
This patch adds a new function, PJSIP_ENDPOINT, which lets the dialplan query, for any endpoint, any property configured on an endpoint. This function is a companion to the CHANNEL function, which can be used to extract the endpoint name for a channel. Review: https://reviewboard.asterisk.org/r/3035 ........ Merged revisions 403616 from http://svn.asterisk.org/svn/asterisk/branches/12 git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@403617 65c4cc65-6c06-0410-ace0-fbb531ad65f3changes/97/197/1
Matthew Jordan
12 years ago
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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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* Matt Jordan <mjordan@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 Get information about a PJSIP endpoint
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*
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* \author \verbatim Matt Jordan <mjordan@digium.com> \endverbatim
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*
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* \ingroup functions
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*
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*/
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/*** MODULEINFO
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<support_level>core</support_level>
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<depend>pjproject</depend>
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<depend>res_pjsip</depend>
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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 <pjsip.h>
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#include <pjlib.h>
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#include "asterisk/app.h"
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#include "asterisk/pbx.h"
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#include "asterisk/module.h"
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#include "asterisk/channel.h"
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#include "asterisk/sorcery.h"
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#include "asterisk/res_pjsip.h"
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/*** DOCUMENTATION
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<function name="PJSIP_ENDPOINT" language="en_US">
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<synopsis>
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Get information about a PJSIP endpoint
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</synopsis>
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<syntax>
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<parameter name="name" required="true">
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<para>The name of the endpoint to query.</para>
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</parameter>
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<parameter name="field" required="true">
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<para>The configuration option for the endpoint to query for.
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Supported options are those fields on the
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<replaceable>endpoint</replaceable> object in
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<filename>pjsip.conf</filename>.</para>
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<enumlist>
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<configOptionToEnum>
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<xi:include xpointer="xpointer(/docs/configInfo[@name='res_pjsip']/configFile[@name='pjsip.conf']/configObject[@name='endpoint']/configOption)"/>
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</configOptionToEnum>
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</enumlist>
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</parameter>
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</syntax>
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</function>
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***/
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static int pjsip_endpoint_function_read(struct ast_channel *chan,
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const char *cmd, char *data, struct ast_str **buf, ssize_t len)
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{
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struct ast_sorcery *pjsip_sorcery;
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char *parsed_data = ast_strdupa(data);
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RAII_VAR(void *, endpoint_obj, NULL, ao2_cleanup);
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struct ast_variable *change_set;
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struct ast_variable *it_change_set;
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int res;
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AST_DECLARE_APP_ARGS(args,
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AST_APP_ARG(endpoint_name);
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AST_APP_ARG(field_name);
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);
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/* Check for zero arguments */
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if (ast_strlen_zero(parsed_data)) {
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ast_log(AST_LOG_ERROR, "Cannot call %s without arguments\n", cmd);
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return -1;
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}
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AST_STANDARD_APP_ARGS(args, parsed_data);
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if (ast_strlen_zero(args.endpoint_name)) {
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ast_log(AST_LOG_ERROR, "Cannot call %s without an endpoint name to query\n", cmd);
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return -1;
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}
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if (ast_strlen_zero(args.field_name)) {
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ast_log(AST_LOG_ERROR, "Cannot call %s with an empty field name to query\n", cmd);
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return -1;
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}
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pjsip_sorcery = ast_sip_get_sorcery();
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if (!pjsip_sorcery) {
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ast_log(AST_LOG_ERROR, "Unable to retrieve PJSIP configuration: sorcery object is NULL\n");
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return -1;
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}
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endpoint_obj = ast_sorcery_retrieve_by_id(pjsip_sorcery, "endpoint", args.endpoint_name);
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if (!endpoint_obj) {
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ast_log(AST_LOG_WARNING, "Failed to retrieve information for endpoint '%s'\n", args.endpoint_name);
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return -1;
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}
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change_set = ast_sorcery_objectset_create(pjsip_sorcery, endpoint_obj);
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if (!change_set) {
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ast_log(AST_LOG_WARNING, "Failed to retrieve information for endpoint '%s': change set is NULL\n", args.endpoint_name);
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return -1;
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}
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for (it_change_set = change_set; it_change_set; it_change_set = it_change_set->next) {
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if (!strcmp(it_change_set->name, args.field_name)) {
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if (!strcmp(it_change_set->name, "disallow")) {
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ast_str_set(buf, len, "!%s", it_change_set->value);
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} else {
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ast_str_set(buf, len, "%s", it_change_set->value);
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}
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break;
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}
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}
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res = it_change_set ? 0 : 1;
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if (res) {
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ast_log(AST_LOG_WARNING, "Unknown property '%s' for PJSIP endpoint\n", args.field_name);
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}
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ast_variables_destroy(change_set);
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return res;
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}
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static struct ast_custom_function pjsip_endpoint_function = {
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.name = "PJSIP_ENDPOINT",
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.read2 = pjsip_endpoint_function_read,
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};
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static int unload_module(void)
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{
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return ast_custom_function_unregister(&pjsip_endpoint_function);
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}
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static int load_module(void)
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{
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return ast_custom_function_register(&pjsip_endpoint_function);
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}
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AST_MODULE_INFO_STANDARD(ASTERISK_GPL_KEY, "Get information about a PJSIP endpoint");
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