open5gs/lib/asn1c/s1ap-decoder.c

49 lines
1.5 KiB
C

/*
* Copyright (C) 2019 by Sukchan Lee <acetcom@gmail.com>
*
* This file is part of Open5GS.
*
* 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <https://www.gnu.org/licenses/>.
*/
#include "s1ap-message.h"
#undef OGS_LOG_DOMAIN
#define OGS_LOG_DOMAIN __base_s1ap_domain
int s1ap_decode_pdu(s1ap_message_t *message, ogs_pkbuf_t *pkbuf)
{
asn_dec_rval_t dec_ret = {0};
ogs_assert(message);
ogs_assert(pkbuf);
ogs_assert(pkbuf->data);
ogs_assert(pkbuf->len);
memset((void *)message, 0, sizeof(s1ap_message_t));
dec_ret = aper_decode(NULL, &asn_DEF_S1AP_S1AP_PDU, (void **)&message,
pkbuf->data, pkbuf->len, 0, 0);
if (dec_ret.code != RC_OK)
{
ogs_error("Failed to decode S1AP-PDU[%d]", dec_ret.code);
return OGS_ERROR;
}
if (ogs_log_get_domain_level(OGS_LOG_DOMAIN) >= OGS_LOG_TRACE)
asn_fprint(stdout, &asn_DEF_S1AP_S1AP_PDU, message);
return OGS_OK;
}