osmo-msc/openbsc/src/msc/mncc.c

111 lines
3.0 KiB
C

/* mncc.c - utility routines for the MNCC API between the 04.08
* message parsing and the actual Call Control logic */
/* (C) 2008-2009 by Harald Welte <laforge@gnumonks.org>
* (C) 2009 by Andreas Eversberg <Andreas.Eversberg@versatel.de>
* All Rights Reserved
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as published by
* the Free Software Foundation; either version 3 of the License, or
* (at your option) any later version.
*
* This program 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 Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
*/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <errno.h>
#include <sys/types.h>
#include <openbsc/gsm_04_08.h>
#include <openbsc/debug.h>
#include <openbsc/mncc.h>
#include <osmocore/talloc.h>
#include <openbsc/gsm_data.h>
#include <openbsc/transaction.h>
#include <openbsc/rtp_proxy.h>
static struct mncc_names {
char *name;
int value;
} mncc_names[] = {
{"MNCC_SETUP_REQ", 0x0101},
{"MNCC_SETUP_IND", 0x0102},
{"MNCC_SETUP_RSP", 0x0103},
{"MNCC_SETUP_CNF", 0x0104},
{"MNCC_SETUP_COMPL_REQ",0x0105},
{"MNCC_SETUP_COMPL_IND",0x0106},
{"MNCC_CALL_CONF_IND", 0x0107},
{"MNCC_CALL_PROC_REQ", 0x0108},
{"MNCC_PROGRESS_REQ", 0x0109},
{"MNCC_ALERT_REQ", 0x010a},
{"MNCC_ALERT_IND", 0x010b},
{"MNCC_NOTIFY_REQ", 0x010c},
{"MNCC_NOTIFY_IND", 0x010d},
{"MNCC_DISC_REQ", 0x010e},
{"MNCC_DISC_IND", 0x010f},
{"MNCC_REL_REQ", 0x0110},
{"MNCC_REL_IND", 0x0111},
{"MNCC_REL_CNF", 0x0112},
{"MNCC_FACILITY_REQ", 0x0113},
{"MNCC_FACILITY_IND", 0x0114},
{"MNCC_START_DTMF_IND", 0x0115},
{"MNCC_START_DTMF_RSP", 0x0116},
{"MNCC_START_DTMF_REJ", 0x0117},
{"MNCC_STOP_DTMF_IND", 0x0118},
{"MNCC_STOP_DTMF_RSP", 0x0119},
{"MNCC_MODIFY_REQ", 0x011a},
{"MNCC_MODIFY_IND", 0x011b},
{"MNCC_MODIFY_RSP", 0x011c},
{"MNCC_MODIFY_CNF", 0x011d},
{"MNCC_MODIFY_REJ", 0x011e},
{"MNCC_HOLD_IND", 0x011f},
{"MNCC_HOLD_CNF", 0x0120},
{"MNCC_HOLD_REJ", 0x0121},
{"MNCC_RETRIEVE_IND", 0x0122},
{"MNCC_RETRIEVE_CNF", 0x0123},
{"MNCC_RETRIEVE_REJ", 0x0124},
{"MNCC_USERINFO_REQ", 0x0125},
{"MNCC_USERINFO_IND", 0x0126},
{"MNCC_REJ_REQ", 0x0127},
{"MNCC_REJ_IND", 0x0128},
{"MNCC_BRIDGE", 0x0200},
{"MNCC_FRAME_RECV", 0x0201},
{"MNCC_FRAME_DROP", 0x0202},
{"MNCC_LCHAN_MODIFY", 0x0203},
{"GSM_TCH_FRAME", 0x0300},
{NULL, 0} };
char *get_mncc_name(int value)
{
int i;
for (i = 0; mncc_names[i].name; i++) {
if (mncc_names[i].value == value)
return mncc_names[i].name;
}
return "MNCC_Unknown";
}
void mncc_set_cause(struct gsm_mncc *data, int loc, int val)
{
data->fields |= MNCC_F_CAUSE;
data->cause.location = loc;
data->cause.value = val;
}