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/* common RANAP code */
/* (C) 2015 by Harald Welte <laforge@gnumonks.org>
* 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 <stdint.h>
#include <osmocom/core/msgb.h>
//#include "ranap_common.h"
#include "ranap/RANAP_RANAP-PDU.h"
#include "ranap/RANAP_ProtocolIE-ID.h"
#include "ranap/RANAP_IE.h"
#include "hnbgw.h"
extern int asn1_xer_print;
static struct msgb *ranap_msgb_alloc(void)
{
return msgb_alloc(1024, "RANAP Tx");
}
#if 0
ssize_t ranap_generate_initiating_message(uint8_t ** buffer,
uint32_t * length,
e_RANAP_ProcedureCode procedureCode,
RANAP_Criticality_t criticality,
asn_TYPE_descriptor_t * td, void *sptr)
{
RANAP_RANAP_PDU_t pdu;
ssize_t encoded;
memset(&pdu, 0, sizeof(pdu));
pdu.present = RANAP_RANAP_PDU_PR_initiatingMessage;
pdu.choice.initiatingMessage.procedureCode = procedureCode;
pdu.choice.initiatingMessage.criticality = criticality;
ANY_fromType_aper(&pdu.choice.initiatingMessage.value, td, sptr);
if (asn1_xer_print)
xer_fprint(stdout, &asn_DEF_RANAP_RAMAP_PDU, (void *)&pdu);
if ((encoded =
aper_encode_to_new_buffer(&asn_DEF_RANAP_RANAP_PDU, 0, &pdu,
(void **)buffer)) < 0) {
return -1;
}
*length = encoded;
return encoded;
}
#endif
struct msgb *ranap_generate_successful_outcome(
e_RANAP_ProcedureCode procedureCode,
RANAP_Criticality_t criticality,
asn_TYPE_descriptor_t * td,
void *sptr)
{
RANAP_RANAP_PDU_t pdu;
struct msgb *msg = ranap_msgb_alloc();
asn_enc_rval_t rval;
int rc;
memset(&pdu, 0, sizeof(pdu));
pdu.present = RANAP_RANAP_PDU_PR_successfulOutcome;
pdu.choice.successfulOutcome.procedureCode = procedureCode;
pdu.choice.successfulOutcome.criticality = criticality;
rc = ANY_fromType_aper(&pdu.choice.successfulOutcome.value, td, sptr);
if (rc < 0) {
LOGP(DMAIN, LOGL_ERROR, "Error in ANY_fromType_aper\n");
msgb_free(msg);
return NULL;
}
rval = aper_encode_to_buffer(&asn_DEF_RANAP_RANAP_PDU, &pdu,
msg->data, msgb_tailroom(msg));
if (rval.encoded < 0) {
LOGP(DMAIN, LOGL_ERROR, "Error encoding type %s\n", rval.failed_type->name);
msgb_free(msg);
return NULL;
}
msgb_put(msg, rval.encoded/8);
return msg;
}
#if 0
ssize_t ranap_generate_unsuccessful_outcome(uint8_t ** buffer,
uint32_t * length,
e_RANAP_ProcedureCode procedureCode,
RANAP_Criticality_t criticality,
asn_TYPE_descriptor_t * td,
void *sptr)
{
RANAP_RANAP_PDU_t pdu;
ssize_t encoded;
memset(&pdu, 0, sizeof(pdu));
pdu.present = RANAP_RANAP_PDU_PR_unsuccessfulOutcome;
pdu.choice.successfulOutcome.procedureCode = procedureCode;
pdu.choice.successfulOutcome.criticality = criticality;
ANY_fromType_aper(&pdu.choice.successfulOutcome.value, td, sptr);
if ((encoded =
aper_encode_to_new_buffer(&asn_DEF_RANAP_RANAP_PDU, 0, &pdu,
(void **)buffer)) < 0) {
return -1;
}
*length = encoded;
return encoded;
}
#endif
RANAP_IE_t *ranap_new_ie(RANAP_ProtocolIE_ID_t id,
RANAP_Criticality_t criticality,
asn_TYPE_descriptor_t * type, void *sptr)
{
RANAP_IE_t *buff;
if ((buff = malloc(sizeof(*buff))) == NULL) {
// Possible error on malloc
return NULL;
}
memset((void *)buff, 0, sizeof(*buff));
buff->id = id;
buff->criticality = criticality;
ANY_fromType_aper(&buff->value, type, sptr);
if (asn1_xer_print)
if (xer_fprint(stdout, &asn_DEF_RANAP_IE, buff) < 0) {
free(buff);
return NULL;
}
return buff;
}
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