Instead of specifying AST_MODFLAG_LOAD_ORDER with load_pri AST_MODPRI_DEFAULT just use AST_MODFLAG_DEFAULT. Change-Id: I0123258eafce324249433a69df15a85cc16e509f
257 lines
7.4 KiB
C
257 lines
7.4 KiB
C
/*
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* Asterisk -- An open source telephony toolkit.
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*
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* Copyright (C) 1999 - 2014, 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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/*!
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* \file
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* \brief PJSIP logging with Homer
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*
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* \author Matt Jordan <mjordan@digium.com>
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*
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*/
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/*** MODULEINFO
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<depend>pjproject</depend>
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<depend>res_pjsip</depend>
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<depend>res_pjsip_session</depend>
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<depend>res_hep</depend>
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<support_level>extended</support_level>
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***/
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#include "asterisk.h"
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#include <pjsip.h>
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#include <pjsip_ua.h>
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#include <pjlib.h>
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#include "asterisk/res_pjsip.h"
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#include "asterisk/res_pjsip_session.h"
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#include "asterisk/res_hep.h"
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#include "asterisk/module.h"
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#include "asterisk/netsock2.h"
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static char *assign_uuid(const pj_str_t *call_id, const pj_str_t *local_tag, const pj_str_t *remote_tag)
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{
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RAII_VAR(struct ast_sip_session *, session, NULL, ao2_cleanup);
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pjsip_dialog *dlg;
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char *uuid = NULL;
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enum hep_uuid_type uuid_type = hepv3_get_uuid_type();
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if ((uuid_type == HEP_UUID_TYPE_CHANNEL)
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&& (dlg = pjsip_ua_find_dialog(call_id, local_tag, remote_tag, PJ_FALSE))
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&& (session = ast_sip_dialog_get_session(dlg))
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&& (session->channel)) {
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uuid = ast_strdup(ast_channel_name(session->channel));
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}
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/* If we couldn't get the channel or we never wanted it, default to the call-id */
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if (!uuid) {
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uuid = ast_malloc(pj_strlen(call_id) + 1);
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if (uuid) {
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ast_copy_pj_str(uuid, call_id, pj_strlen(call_id) + 1);
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}
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}
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return uuid;
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}
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static int transport_to_protocol_id(pjsip_transport *tp)
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{
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/* XXX If we ever add SCTP support, we'll need to revisit */
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if (tp->flag & PJSIP_TRANSPORT_RELIABLE) {
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return IPPROTO_TCP;
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}
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return IPPROTO_UDP;
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}
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static pj_status_t logging_on_tx_msg(pjsip_tx_data *tdata)
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{
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char local_buf[256];
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char remote_buf[256];
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char *uuid;
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struct hepv3_capture_info *capture_info;
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pjsip_cid_hdr *cid_hdr;
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pjsip_from_hdr *from_hdr;
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pjsip_to_hdr *to_hdr;
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capture_info = hepv3_create_capture_info(tdata->buf.start, (size_t)(tdata->buf.cur - tdata->buf.start));
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if (!capture_info) {
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return PJ_SUCCESS;
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}
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if (!(tdata->tp_info.transport->flag & PJSIP_TRANSPORT_RELIABLE)) {
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pjsip_tpmgr_fla2_param prm;
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/* Attempt to determine what IP address will we send this packet out of */
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pjsip_tpmgr_fla2_param_default(&prm);
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prm.tp_type = tdata->tp_info.transport->key.type;
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pj_strset2(&prm.dst_host, tdata->tp_info.dst_name);
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prm.local_if = PJ_TRUE;
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/* If we can't get the local address use what we have already */
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if (pjsip_tpmgr_find_local_addr2(pjsip_endpt_get_tpmgr(ast_sip_get_pjsip_endpoint()), tdata->pool, &prm) != PJ_SUCCESS) {
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pj_sockaddr_print(&tdata->tp_info.transport->local_addr, local_buf, sizeof(local_buf), 3);
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} else {
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if (prm.tp_type & PJSIP_TRANSPORT_IPV6) {
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snprintf(local_buf, sizeof(local_buf), "[%.*s]:%hu",
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(int)pj_strlen(&prm.ret_addr),
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pj_strbuf(&prm.ret_addr),
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prm.ret_port);
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} else {
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snprintf(local_buf, sizeof(local_buf), "%.*s:%hu",
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(int)pj_strlen(&prm.ret_addr),
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pj_strbuf(&prm.ret_addr),
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prm.ret_port);
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}
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}
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} else {
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/* For reliable transports they can only ever come from the transport
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* local address.
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*/
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pj_sockaddr_print(&tdata->tp_info.transport->local_addr, local_buf, sizeof(local_buf), 3);
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}
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pj_sockaddr_print(&tdata->tp_info.dst_addr, remote_buf, sizeof(remote_buf), 3);
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cid_hdr = PJSIP_MSG_CID_HDR(tdata->msg);
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from_hdr = PJSIP_MSG_FROM_HDR(tdata->msg);
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to_hdr = PJSIP_MSG_TO_HDR(tdata->msg);
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uuid = assign_uuid(&cid_hdr->id, &to_hdr->tag, &from_hdr->tag);
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if (!uuid) {
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ao2_ref(capture_info, -1);
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return PJ_SUCCESS;
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}
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ast_sockaddr_parse(&capture_info->src_addr, local_buf, PARSE_PORT_REQUIRE);
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ast_sockaddr_parse(&capture_info->dst_addr, remote_buf, PARSE_PORT_REQUIRE);
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capture_info->protocol_id = transport_to_protocol_id(tdata->tp_info.transport);
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capture_info->capture_time = ast_tvnow();
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capture_info->capture_type = HEPV3_CAPTURE_TYPE_SIP;
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capture_info->uuid = uuid;
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capture_info->zipped = 0;
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hepv3_send_packet(capture_info);
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return PJ_SUCCESS;
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}
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static pj_bool_t logging_on_rx_msg(pjsip_rx_data *rdata)
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{
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char local_buf[256];
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char remote_buf[256];
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char *uuid;
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struct hepv3_capture_info *capture_info;
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capture_info = hepv3_create_capture_info(&rdata->pkt_info.packet, rdata->pkt_info.len);
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if (!capture_info) {
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return PJ_SUCCESS;
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}
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if (!rdata->pkt_info.src_addr_len) {
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return PJ_SUCCESS;
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}
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pj_sockaddr_print(&rdata->pkt_info.src_addr, remote_buf, sizeof(remote_buf), 3);
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if (!(rdata->tp_info.transport->flag & PJSIP_TRANSPORT_RELIABLE)) {
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pjsip_tpmgr_fla2_param prm;
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/* Attempt to determine what IP address we probably received this packet on */
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pjsip_tpmgr_fla2_param_default(&prm);
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prm.tp_type = rdata->tp_info.transport->key.type;
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pj_strset2(&prm.dst_host, rdata->pkt_info.src_name);
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prm.local_if = PJ_TRUE;
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/* If we can't get the local address use what we have already */
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if (pjsip_tpmgr_find_local_addr2(pjsip_endpt_get_tpmgr(ast_sip_get_pjsip_endpoint()), rdata->tp_info.pool, &prm) != PJ_SUCCESS) {
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pj_sockaddr_print(&rdata->tp_info.transport->local_addr, local_buf, sizeof(local_buf), 3);
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} else {
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if (prm.tp_type & PJSIP_TRANSPORT_IPV6) {
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snprintf(local_buf, sizeof(local_buf), "[%.*s]:%hu",
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(int)pj_strlen(&prm.ret_addr),
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pj_strbuf(&prm.ret_addr),
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prm.ret_port);
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} else {
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snprintf(local_buf, sizeof(local_buf), "%.*s:%hu",
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(int)pj_strlen(&prm.ret_addr),
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pj_strbuf(&prm.ret_addr),
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prm.ret_port);
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}
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}
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} else {
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pj_sockaddr_print(&rdata->tp_info.transport->local_addr, local_buf, sizeof(local_buf), 3);
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}
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uuid = assign_uuid(&rdata->msg_info.cid->id, &rdata->msg_info.to->tag, &rdata->msg_info.from->tag);
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if (!uuid) {
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ao2_ref(capture_info, -1);
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return PJ_SUCCESS;
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}
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ast_sockaddr_parse(&capture_info->src_addr, remote_buf, PARSE_PORT_REQUIRE);
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ast_sockaddr_parse(&capture_info->dst_addr, local_buf, PARSE_PORT_REQUIRE);
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capture_info->protocol_id = transport_to_protocol_id(rdata->tp_info.transport);
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capture_info->capture_time.tv_sec = rdata->pkt_info.timestamp.sec;
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capture_info->capture_time.tv_usec = rdata->pkt_info.timestamp.msec * 1000;
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capture_info->capture_type = HEPV3_CAPTURE_TYPE_SIP;
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capture_info->uuid = uuid;
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capture_info->zipped = 0;
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hepv3_send_packet(capture_info);
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return PJ_FALSE;
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}
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static pjsip_module logging_module = {
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.name = { "HEPv3 Logging Module", 20 },
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.priority = 0,
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.on_rx_request = logging_on_rx_msg,
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.on_rx_response = logging_on_rx_msg,
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.on_tx_request = logging_on_tx_msg,
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.on_tx_response = logging_on_tx_msg,
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};
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static int load_module(void)
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{
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CHECK_PJSIP_MODULE_LOADED();
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if (!ast_module_check("res_hep.so") || !hepv3_is_loaded()) {
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ast_log(AST_LOG_WARNING, "res_hep is not loaded or running; declining module load\n");
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return AST_MODULE_LOAD_DECLINE;
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}
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ast_sip_register_service(&logging_module);
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return AST_MODULE_LOAD_SUCCESS;
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}
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static int unload_module(void)
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{
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ast_sip_unregister_service(&logging_module);
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return 0;
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}
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AST_MODULE_INFO(ASTERISK_GPL_KEY, AST_MODFLAG_DEFAULT, "PJSIP HEPv3 Logger",
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.support_level = AST_MODULE_SUPPORT_EXTENDED,
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.load = load_module,
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.unload = unload_module,
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);
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