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openairinterface5g/openair3/M3AP/m3ap_decoder.c
T
Javier Morgade 365527d401 M3AP 3GPP TS 36.444 interface implemented: 
1.MME entity developed to handle M3 side (new dedicated task developed: TASK_MME_APP) (these procedures should be moved to OPENAIR-CN ... just implemented to easy the E-UTRAN MBMS stuff development)
        2.MCE side M3 interface procedures (new dedicated task developed: TASK_M3AP_MCE)
        3.MME side M3 interface procedures (new dedicated task developed: TASK_M2AP_MME) (these procedures should be moved to OPENAIR-CN ... just implemented to easy the E-UTRAN MBMS stuff development)
        4.ASN1 bindings for m3ap-14.0.0.asn1 implemented and tested
        5.MME config parameters

	ACKNOWLEDGEMENT:
 	1. This commit was developed at Vicomtech (https://www.vicomtech.org) under UE project CDN-X-ALL: "CDN edge-cloud computing for efficient cache and reliable streaming aCROSS Aggregated unicast-multicast LinkS"
 	2. Project funded by Fed4FIRE+ OC5 (https://www.fed4fire.eu)

	Signed-off-by: Javier Morgade <javier.morgade@ieee.org>
2019-09-14 13:53:39 +02:00

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/*
* Licensed to the OpenAirInterface (OAI) Software Alliance under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The OpenAirInterface Software Alliance licenses this file to You under
* the OAI Public License, Version 1.1 (the "License"); you may not use this file
* except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.openairinterface.org/?page_id=698
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*-------------------------------------------------------------------------------
* For more information about the OpenAirInterface (OAI) Software Alliance:
* contact@openairinterface.org
*/
/*! \file m3ap_decoder.c
* \brief m3ap decoder procedures
* \author Javier Morgade <javier.morgade@ieee.org>
* \date 2019
* \version 0.1
*/
#include <stdio.h>
#include "assertions.h"
#include "intertask_interface.h"
#include "m3ap_common.h"
#include "m3ap_decoder.h"
static int m3ap_decode_initiating_message(M3AP_M3AP_PDU_t *pdu)
{
DevAssert(pdu != NULL);
switch(pdu->choice.initiatingMessage.procedureCode) {
case M3AP_ProcedureCode_id_mBMSsessionStart:
//asn_encode_to_new_buffer(NULL, ATS_CANONICAL_XER, &asn_DEF_M3AP_M3AP_PDU, pdu);
M3AP_INFO("m3ap__decode_initiating_message!\n");
break;
case M3AP_ProcedureCode_id_mBMSsessionStop:
//asn_encode_to_new_buffer(NULL, ATS_CANONICAL_XER, &asn_DEF_M3AP_M3AP_PDU, pdu);
M3AP_INFO("m3ap__decode_initiating_message!\n");
break;
case M3AP_ProcedureCode_id_errorIndication:
//asn_encode_to_new_buffer(NULL, ATS_CANONICAL_XER, &asn_DEF_M3AP_M3AP_PDU, pdu);
M3AP_INFO("m3ap__decode_initiating_message!\n");
break;
case M3AP_ProcedureCode_id_privateMessage:
//asn_encode_to_new_buffer(NULL, ATS_CANONICAL_XER, &asn_DEF_M3AP_M3AP_PDU, pdu);
M3AP_INFO("m3ap__decode_initiating_message!\n");
break;
case M3AP_ProcedureCode_id_Reset:
//asn_encode_to_new_buffer(NULL, ATS_CANONICAL_XER, &asn_DEF_M3AP_M3AP_PDU, pdu);
M3AP_INFO("m3ap__decode_initiating_message!\n");
break;
case M3AP_ProcedureCode_id_mBMSsessionUpdate:
//asn_encode_to_new_buffer(NULL, ATS_CANONICAL_XER, &asn_DEF_M3AP_M3AP_PDU, pdu);
M3AP_INFO("m3ap__decode_initiating_message!\n");
break;
case M3AP_ProcedureCode_id_mCEConfigurationUpdate:
//asn_encode_to_new_buffer(NULL, ATS_CANONICAL_XER, &asn_DEF_M3AP_M3AP_PDU, pdu);
M3AP_INFO("m3ap__decode_initiating_message!\n");
break;
case M3AP_ProcedureCode_id_m3Setup:
//asn_encode_to_new_buffer(NULL, ATS_CANONICAL_XER, &asn_DEF_M3AP_M3AP_PDU, pdu);
M3AP_INFO("m3ap__decode_initiating_message!\n");
break;
default:
M3AP_ERROR("Unknown procedure ID (%d) for initiating message\n",
(int)pdu->choice.initiatingMessage.procedureCode);
AssertFatal( 0, "Unknown procedure ID (%d) for initiating message\n",
(int)pdu->choice.initiatingMessage.procedureCode);
return -1;
}
return 0;
}
static int m3ap_decode_successful_outcome(M3AP_M3AP_PDU_t *pdu)
{
DevAssert(pdu != NULL);
switch(pdu->choice.successfulOutcome.procedureCode) {
case M3AP_ProcedureCode_id_mBMSsessionStart:
//asn_encode_to_new_buffer(NULL, ATS_CANONICAL_XER, &asn_DEF_M3AP_M3AP_PDU, pdu);
M3AP_INFO("m3ap__decode_successfuloutcome_message!\n");
break;
case M3AP_ProcedureCode_id_mBMSsessionStop:
//asn_encode_to_new_buffer(NULL, ATS_CANONICAL_XER, &asn_DEF_M3AP_M3AP_PDU, pdu);
M3AP_INFO("m3ap__decode_succesfuloutcome_message!\n");
break;
case M3AP_ProcedureCode_id_errorIndication:
//asn_encode_to_new_buffer(NULL, ATS_CANONICAL_XER, &asn_DEF_M3AP_M3AP_PDU, pdu);
M3AP_INFO("m3ap__decode_initiating_message!\n");
break;
case M3AP_ProcedureCode_id_privateMessage:
//asn_encode_to_new_buffer(NULL, ATS_CANONICAL_XER, &asn_DEF_M3AP_M3AP_PDU, pdu);
M3AP_INFO("m3ap__decode_initiating_message!\n");
break;
case M3AP_ProcedureCode_id_Reset:
//asn_encode_to_new_buffer(NULL, ATS_CANONICAL_XER, &asn_DEF_M3AP_M3AP_PDU, pdu);
M3AP_INFO("m3ap__decode_initiating_message!\n");
break;
case M3AP_ProcedureCode_id_mBMSsessionUpdate:
//asn_encode_to_new_buffer(NULL, ATS_CANONICAL_XER, &asn_DEF_M3AP_M3AP_PDU, pdu);
M3AP_INFO("m3ap__decode_initiating_message!\n");
break;
case M3AP_ProcedureCode_id_mCEConfigurationUpdate:
//asn_encode_to_new_buffer(NULL, ATS_CANONICAL_XER, &asn_DEF_M3AP_M3AP_PDU, pdu);
M3AP_INFO("m3ap__decode_initiating_message!\n");
break;
case M3AP_ProcedureCode_id_m3Setup:
//asn_encode_to_new_buffer(NULL, ATS_CANONICAL_XER, &asn_DEF_M3AP_M3AP_PDU, pdu);
M3AP_INFO("m3ap__decode_succesfuloutcome_message!\n");
break;
default:
M3AP_ERROR("Unknown procedure ID (%d) for successfull outcome message\n",
(int)pdu->choice.successfulOutcome.procedureCode);
return -1;
}
return 0;
}
static int m3ap_decode_unsuccessful_outcome(M3AP_M3AP_PDU_t *pdu)
{
DevAssert(pdu != NULL);
switch(pdu->choice.unsuccessfulOutcome.procedureCode) {
case M3AP_ProcedureCode_id_mBMSsessionStart:
//asn_encode_to_new_buffer(NULL, ATS_CANONICAL_XER, &asn_DEF_M3AP_M3AP_PDU, pdu);
M3AP_INFO("m3ap__decode_initiating_message!\n");
break;
case M3AP_ProcedureCode_id_mBMSsessionStop:
//asn_encode_to_new_buffer(NULL, ATS_CANONICAL_XER, &asn_DEF_M3AP_M3AP_PDU, pdu);
M3AP_INFO("m3ap__decode_initiating_message!\n");
break;
case M3AP_ProcedureCode_id_errorIndication:
//asn_encode_to_new_buffer(NULL, ATS_CANONICAL_XER, &asn_DEF_M3AP_M3AP_PDU, pdu);
M3AP_INFO("m3ap__decode_initiating_message!\n");
break;
case M3AP_ProcedureCode_id_privateMessage:
//asn_encode_to_new_buffer(NULL, ATS_CANONICAL_XER, &asn_DEF_M3AP_M3AP_PDU, pdu);
M3AP_INFO("m3ap__decode_initiating_message!\n");
break;
case M3AP_ProcedureCode_id_Reset:
//asn_encode_to_new_buffer(NULL, ATS_CANONICAL_XER, &asn_DEF_M3AP_M3AP_PDU, pdu);
M3AP_INFO("m3ap__decode_initiating_message!\n");
break;
case M3AP_ProcedureCode_id_mBMSsessionUpdate:
//asn_encode_to_new_buffer(NULL, ATS_CANONICAL_XER, &asn_DEF_M3AP_M3AP_PDU, pdu);
M3AP_INFO("m3ap__decode_initiating_message!\n");
break;
case M3AP_ProcedureCode_id_mCEConfigurationUpdate:
//asn_encode_to_new_buffer(NULL, ATS_CANONICAL_XER, &asn_DEF_M3AP_M3AP_PDU, pdu);
M3AP_INFO("m3ap__decode_initiating_message!\n");
break;
case M3AP_ProcedureCode_id_m3Setup:
//asn_encode_to_new_buffer(NULL, ATS_CANONICAL_XER, &asn_DEF_M3AP_M3AP_PDU, pdu);
M3AP_INFO("m3ap__decode_initiating_message!\n");
break;
default:
M3AP_ERROR("Unknown procedure ID (%d) for unsuccessfull outcome message\n",
(int)pdu->choice.unsuccessfulOutcome.procedureCode);
return -1;
}
return 0;
}
int m3ap_decode_pdu(M3AP_M3AP_PDU_t *pdu, const uint8_t *const buffer, uint32_t length)
{
asn_dec_rval_t dec_ret;
DevAssert(buffer != NULL);
dec_ret = aper_decode(NULL,
&asn_DEF_M3AP_M3AP_PDU,
(void **)&pdu,
buffer,
length,
0,
0);
if (asn1_xer_print) {
xer_fprint(stdout, &asn_DEF_M3AP_M3AP_PDU, pdu);
}
if (dec_ret.code != RC_OK) {
M3AP_ERROR("Failed to decode pdu\n");
return -1;
}
switch(pdu->present) {
case M3AP_M3AP_PDU_PR_initiatingMessage:
return m3ap_decode_initiating_message(pdu);
case M3AP_M3AP_PDU_PR_successfulOutcome:
return m3ap_decode_successful_outcome(pdu);
case M3AP_M3AP_PDU_PR_unsuccessfulOutcome:
return m3ap_decode_unsuccessful_outcome(pdu);
default:
M3AP_DEBUG("Unknown presence (%d) or not implemented\n", (int)pdu->present);
break;
}
return -1;
}
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