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/*
* Asterisk -- An open source telephony toolkit.
*
* Copyright (C) 2013, Digium, Inc.
*
* Matt Jordan <mjordan@digium.com>
*
* See http://www.asterisk.org for more information about
* the Asterisk project. Please do not directly contact
* any of the maintainers of this project for assistance;
* the project provides a web site, mailing lists and IRC
* channels for your use.
*
* This program is free software, distributed under the terms of
* the GNU General Public License Version 2. See the LICENSE file
* at the top of the source tree.
*/
/*! \file
*
* \brief Get information about a PJSIP endpoint
*
* \author \verbatim Matt Jordan <mjordan@digium.com> \endverbatim
*
* \ingroup functions
*
*/
/*** MODULEINFO
<support_level>core</support_level>
<depend>pjproject</depend>
<depend>res_pjsip</depend>
***/
#include "asterisk.h"
#include <pjsip.h>
#include <pjlib.h>
#include "asterisk/app.h"
#include "asterisk/pbx.h"
#include "asterisk/module.h"
#include "asterisk/channel.h"
#include "asterisk/sorcery.h"
#include "asterisk/res_pjsip.h"
/*** DOCUMENTATION
<function name="PJSIP_ENDPOINT" language="en_US">
<synopsis>
Get information about a PJSIP endpoint
</synopsis>
<syntax>
<parameter name="name" required="true">
<para>The name of the endpoint to query.</para>
</parameter>
<parameter name="field" required="true">
<para>The configuration option for the endpoint to query for.
Supported options are those fields on the
<replaceable>endpoint</replaceable> object in
<filename>pjsip.conf</filename>.</para>
<enumlist>
<configOptionToEnum>
<xi:include xpointer="xpointer(/docs/configInfo[@name='res_pjsip']/configFile[@name='pjsip.conf']/configObject[@name='endpoint']/configOption)"/>
</configOptionToEnum>
</enumlist>
</parameter>
</syntax>
</function>
***/
static int pjsip_endpoint_function_read(struct ast_channel *chan,
const char *cmd, char *data, struct ast_str **buf, ssize_t len)
{
struct ast_sorcery *pjsip_sorcery;
char *parsed_data = ast_strdupa(data);
RAII_VAR(void *, endpoint_obj, NULL, ao2_cleanup);
struct ast_variable *change_set;
struct ast_variable *it_change_set;
int res;
AST_DECLARE_APP_ARGS(args,
AST_APP_ARG(endpoint_name);
AST_APP_ARG(field_name);
);
/* Check for zero arguments */
if (ast_strlen_zero(parsed_data)) {
ast_log(AST_LOG_ERROR, "Cannot call %s without arguments\n", cmd);
return -1;
}
AST_STANDARD_APP_ARGS(args, parsed_data);
if (ast_strlen_zero(args.endpoint_name)) {
ast_log(AST_LOG_ERROR, "Cannot call %s without an endpoint name to query\n", cmd);
return -1;
}
if (ast_strlen_zero(args.field_name)) {
ast_log(AST_LOG_ERROR, "Cannot call %s with an empty field name to query\n", cmd);
return -1;
}
pjsip_sorcery = ast_sip_get_sorcery();
if (!pjsip_sorcery) {
ast_log(AST_LOG_ERROR, "Unable to retrieve PJSIP configuration: sorcery object is NULL\n");
return -1;
}
endpoint_obj = ast_sorcery_retrieve_by_id(pjsip_sorcery, "endpoint", args.endpoint_name);
if (!endpoint_obj) {
ast_log(AST_LOG_WARNING, "Failed to retrieve information for endpoint '%s'\n", args.endpoint_name);
return -1;
}
change_set = ast_sorcery_objectset_create(pjsip_sorcery, endpoint_obj);
if (!change_set) {
ast_log(AST_LOG_WARNING, "Failed to retrieve information for endpoint '%s': change set is NULL\n", args.endpoint_name);
return -1;
}
for (it_change_set = change_set; it_change_set; it_change_set = it_change_set->next) {
if (!strcmp(it_change_set->name, args.field_name)) {
if (!strcmp(it_change_set->name, "disallow")) {
ast_str_set(buf, len, "!%s", it_change_set->value);
} else {
ast_str_set(buf, len, "%s", it_change_set->value);
}
break;
}
}
res = it_change_set ? 0 : 1;
if (res) {
ast_log(AST_LOG_WARNING, "Unknown property '%s' for PJSIP endpoint\n", args.field_name);
}
ast_variables_destroy(change_set);
return res;
}
static struct ast_custom_function pjsip_endpoint_function = {
.name = "PJSIP_ENDPOINT",
.read2 = pjsip_endpoint_function_read,
};
static int unload_module(void)
{
return ast_custom_function_unregister(&pjsip_endpoint_function);
}
static int load_module(void)
{
return ast_custom_function_register(&pjsip_endpoint_function);
}
AST_MODULE_INFO(ASTERISK_GPL_KEY, AST_MODFLAG_DEFAULT, "Get information about a PJSIP endpoint",
.support_level = AST_MODULE_SUPPORT_CORE,
.load = load_module,
.unload = unload_module,
.requires = "res_pjsip",
);
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