asterisk/main/manager_endpoints.c

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2023-05-25 18:45:57 +00:00
/*
* Asterisk -- An open source telephony toolkit.
*
* Copyright (C) 2013, Digium, Inc.
*
* Joshua Colp <jcolp@digium.com>
* David M. Lee, II <dlee@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 The Asterisk Management Interface - AMI (endpoint handling)
*
* \author Joshua Colp <jcolp@digium.com>
* \author David M. Lee, II <dlee@digium.com>
*
*/
#include "asterisk.h"
#include "asterisk/callerid.h"
#include "asterisk/channel.h"
#include "asterisk/manager.h"
#include "asterisk/stasis_message_router.h"
#include "asterisk/pbx.h"
#include "asterisk/stasis_endpoints.h"
static struct stasis_message_router *endpoint_router;
static void manager_endpoints_shutdown(void)
{
stasis_message_router_unsubscribe_and_join(endpoint_router);
endpoint_router = NULL;
}
static void endpoint_state_cb(void *data, struct stasis_subscription *sub,
struct stasis_message *message)
{
stasis_publish(ast_manager_get_topic(), message);
}
int manager_endpoints_init(void)
{
struct stasis_topic *endpoint_topic;
int ret = 0;
if (endpoint_router) {
/* Already initialized */
return 0;
}
ast_register_cleanup(manager_endpoints_shutdown);
endpoint_topic = ast_endpoint_topic_all_cached();
if (!endpoint_topic) {
return -1;
}
endpoint_router = stasis_message_router_create(endpoint_topic);
if (!endpoint_router) {
return -1;
}
ret |= stasis_message_router_add(endpoint_router, ast_endpoint_state_type(), endpoint_state_cb, NULL);
ret |= stasis_message_router_add(endpoint_router, ast_endpoint_contact_state_type(), endpoint_state_cb, NULL);
/* If somehow we failed to add any routes, just shut down the whole
* thing and fail it.
*/
if (ret) {
manager_endpoints_shutdown();
return -1;
}
return 0;
}