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/*
* Asterisk -- An open source telephony toolkit.
*
* Copyright (C) 1999 - 2014, 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 RTCP logging with Homer
*
* \author Matt Jordan <mjordan@digium.com>
*
*/
/*** MODULEINFO
<depend>res_hep</depend>
<support_level>extended</support_level>
***/
#include "asterisk.h"
ASTERISK_FILE_VERSION(__FILE__, "$Revision$")
#include "asterisk/res_hep.h"
#include "asterisk/module.h"
#include "asterisk/netsock2.h"
#include "asterisk/stasis.h"
#include "asterisk/rtp_engine.h"
#include "asterisk/json.h"
#include "asterisk/config.h"
static struct stasis_subscription *stasis_rtp_subscription;
static void rtcp_message_handler(struct stasis_message *message)
{
RAII_VAR(struct ast_json *, json_payload, NULL, ast_json_unref);
RAII_VAR(char *, payload, NULL, ast_json_free);
struct ast_json *json_blob;
struct ast_json *json_channel;
struct ast_json *json_rtcp;
struct hepv3_capture_info *capture_info;
struct ast_json *from;
struct ast_json *to;
struct timeval current_time = ast_tvnow();
json_payload = stasis_message_to_json(message, NULL);
if (!json_payload) {
return;
}
json_blob = ast_json_object_get(json_payload, "blob");
if (!json_blob) {
return;
}
json_channel = ast_json_object_get(json_payload, "channel");
if (!json_channel) {
return;
}
json_rtcp = ast_json_object_get(json_payload, "rtcp_report");
if (!json_rtcp) {
return;
}
from = ast_json_object_get(json_blob, "from");
to = ast_json_object_get(json_blob, "to");
if (!from || !to) {
return;
}
payload = ast_json_dump_string(json_rtcp);
if (ast_strlen_zero(payload)) {
return;
}
capture_info = hepv3_create_capture_info(payload, strlen(payload));
if (!capture_info) {
return;
}
ast_sockaddr_parse(&capture_info->src_addr, ast_json_string_get(from), PARSE_PORT_REQUIRE);
ast_sockaddr_parse(&capture_info->dst_addr, ast_json_string_get(to), PARSE_PORT_REQUIRE);
capture_info->uuid = ast_strdup(ast_json_string_get(ast_json_object_get(json_channel, "name")));
if (!capture_info->uuid) {
ao2_ref(capture_info, -1);
return;
}
capture_info->capture_time = current_time;
capture_info->capture_type = HEPV3_CAPTURE_TYPE_RTCP;
capture_info->zipped = 0;
hepv3_send_packet(capture_info);
}
static void rtp_topic_handler(void *data, struct stasis_subscription *sub, struct stasis_message *message)
{
struct stasis_message_type *message_type = stasis_message_type(message);
if ((message_type == ast_rtp_rtcp_sent_type()) ||
(message_type == ast_rtp_rtcp_received_type())) {
rtcp_message_handler(message);
}
}
static int load_module(void)
{
stasis_rtp_subscription = stasis_subscribe(ast_rtp_topic(),
rtp_topic_handler, NULL);
if (!stasis_rtp_subscription) {
return AST_MODULE_LOAD_FAILURE;
}
return AST_MODULE_LOAD_SUCCESS;
}
static int unload_module(void)
{
if (stasis_rtp_subscription) {
stasis_rtp_subscription = stasis_unsubscribe(stasis_rtp_subscription);
}
return 0;
}
AST_MODULE_INFO(ASTERISK_GPL_KEY, AST_MODFLAG_LOAD_ORDER, "RTCP HEPv3 Logger",
.load = load_module,
.unload = unload_module,
.load_pri = AST_MODPRI_DEFAULT,
);
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