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kamailio/modules/osp/tm.c

140 lines
4.0 KiB

/*
* Kamailio osp module.
*
* This module enables Kamailio to communicate with an Open Settlement
* Protocol (OSP) server. The Open Settlement Protocol is an ETSI
* defined standard for Inter-Domain VoIP pricing, authorization
* and usage exchange. The technical specifications for OSP
* (ETSI TS 101 321 V4.1.1) are available at www.etsi.org.
*
* Uli Abend was the original contributor to this module.
*
* Copyright (C) 2001-2005 Fhg Fokus
*
* This file is part of Kamailio, a free SIP server.
*
* Kamailio is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version
*
* Kamailio is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*
* History:
* ---------
* 2006-03-13 TM functions are loaded via API function (bogdan)
*/
#include "../../modules/tm/tm_load.h"
#include "tm.h"
#include "destination.h"
struct tm_binds osp_tmb;
static void ospOnReq(struct cell* t, int type, struct tmcb_params* ps);
static void ospTmcbFunc(struct cell* t, int type, struct tmcb_params* ps);
/*
* Load TM API
* return 0 success, -1 failure
*/
int ospInitTm(void)
{
if (load_tm_api(&osp_tmb) != 0) {
LM_ERR("failed to load TM API\n");
LM_ERR("TM is required for reporting call setup usage\n");
return -1;
}
/* Register callbacks, listen for all incoming requests */
if (osp_tmb.register_tmcb(0, 0, TMCB_REQUEST_IN, ospOnReq, 0, 0) <= 0) {
LM_ERR("failed to register TMCB_REQUEST_IN callback\n");
LM_ERR("TM callbacks are required for reporting call set up usage\n");
return -1;
}
return 0;
}
/*
* Register OSP callback function
* param t
* param type
* param ps
*/
static void ospOnReq(
struct cell* t,
int type,
struct tmcb_params* ps)
{
int tmcb_types;
/* install addaitional handlers */
tmcb_types =
// TMCB_REQUEST_FWDED |
// TMCB_RESPONSE_FWDED |
TMCB_ON_FAILURE |
// TMCB_LOCAL_COMPLETED |
/* report on completed transactions */
TMCB_RESPONSE_OUT |
/* account e2e acks if configured to do so */
TMCB_E2EACK_IN |
/* report on missed calls */
TMCB_ON_FAILURE_RO |
/* get incoming replies ready for processing */
// TMCB_RESPONSE_IN |
0;
if (osp_tmb.register_tmcb(0, t, tmcb_types, ospTmcbFunc, 0, 0) <= 0) {
LM_ERR("failed to register TM callbacks\n");
LM_ERR("TM callbacks are required for reporting call setup usage\n");
return;
}
}
/*
* OSP callback function
* param t
* param type
* param ps
*/
static void ospTmcbFunc(
struct cell* t,
int type,
struct tmcb_params* ps)
{
if (type & TMCB_RESPONSE_OUT) {
LM_DBG("RESPONSE_OUT\n");
} else if (type & TMCB_E2EACK_IN) {
LM_DBG("E2EACK_IN\n");
} else if (type & TMCB_ON_FAILURE_RO) {
LM_DBG("FAILURE_RO\n");
} else if (type & TMCB_RESPONSE_IN) {
LM_DBG("RESPONSE_IN\n");
} else if (type & TMCB_REQUEST_FWDED) {
LM_DBG("REQUEST_FWDED\n");
} else if (type & TMCB_RESPONSE_FWDED) {
LM_DBG("RESPONSE_FWDED\n");
} else if (type & TMCB_ON_FAILURE) {
LM_DBG("FAILURE\n");
} else if (type & TMCB_LOCAL_COMPLETED) {
LM_DBG("COMPLETED\n");
} else {
LM_DBG("something else '%d'\n", type);
}
if (t) {
ospRecordEvent(t->uac[t->nr_of_outgoings - 1].last_received,
t->uas.status);
} else {
LM_DBG("cell is empty\n");
}
}