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openairinterface5g/openair3/S1AP/s1ap_eNB_encoder.c
T
Raymond Knopp 31fe819c7d extra logging
2018-09-23 14:30:37 -04:00

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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 s1ap_eNB_encoder.c
* \brief s1ap pdu encode procedures for eNB
* \author Sebastien ROUX and Navid Nikaein
* \email navid.nikaein@eurecom.fr
* \date 2013 - 2015
* \version 0.1
*/
#include <stdio.h>
#include <string.h>
#include <stdint.h>
#include "assertions.h"
#include "conversions.h"
#include "intertask_interface.h"
#include "s1ap_common.h"
#include "s1ap_eNB_encoder.h"
static inline int s1ap_eNB_encode_initiating(S1AP_S1AP_PDU_t *pdu,
uint8_t **buffer,
uint32_t *len);
static inline int s1ap_eNB_encode_successfull_outcome(S1AP_S1AP_PDU_t *pdu,
uint8_t **buffer, uint32_t *len);
static inline int s1ap_eNB_encode_unsuccessfull_outcome(S1AP_S1AP_PDU_t *pdu,
uint8_t **buffer, uint32_t *len);
int s1ap_eNB_encode_pdu(S1AP_S1AP_PDU_t *pdu, uint8_t **buffer, uint32_t *len)
{
int ret = -1;
DevAssert(pdu != NULL);
DevAssert(buffer != NULL);
DevAssert(len != NULL);
switch(pdu->present) {
case S1AP_S1AP_PDU_PR_initiatingMessage:
ret = s1ap_eNB_encode_initiating(pdu, buffer, len);
break;
case S1AP_S1AP_PDU_PR_successfulOutcome:
ret = s1ap_eNB_encode_successfull_outcome(pdu, buffer, len);
break;
case S1AP_S1AP_PDU_PR_unsuccessfulOutcome:
ret = s1ap_eNB_encode_unsuccessfull_outcome(pdu, buffer, len);
break;
default:
S1AP_DEBUG("Unknown message outcome (%d) or not implemented",
(int)pdu->present);
return -1;
}
ASN_STRUCT_FREE_CONTENTS_ONLY(asn_DEF_S1AP_S1AP_PDU, pdu);
return ret;
}
static inline
int s1ap_eNB_encode_initiating(S1AP_S1AP_PDU_t *pdu,
uint8_t **buffer, uint32_t *len)
{
MessageDef *message_p;
MessagesIds message_id;
asn_encode_to_new_buffer_result_t res = { NULL, {0, NULL, NULL} };
DevAssert(pdu != NULL);
switch(pdu->choice.initiatingMessage.procedureCode) {
case S1AP_ProcedureCode_id_S1Setup:
res = asn_encode_to_new_buffer(NULL, ATS_CANONICAL_XER, &asn_DEF_S1AP_S1AP_PDU, pdu);
message_id = S1AP_S1_SETUP_LOG;
message_p = itti_alloc_new_message_sized(TASK_S1AP, message_id, res.result.encoded + sizeof (IttiMsgText));
message_p->ittiMsg.s1ap_s1_setup_log.size = res.result.encoded;
memcpy(&message_p->ittiMsg.s1ap_s1_setup_log.text, res.buffer, res.result.encoded);
itti_send_msg_to_task(TASK_UNKNOWN, INSTANCE_DEFAULT, message_p);
free(res.buffer);
break;
case S1AP_ProcedureCode_id_uplinkNASTransport:
res = asn_encode_to_new_buffer(NULL, ATS_CANONICAL_XER, &asn_DEF_S1AP_S1AP_PDU, pdu);
message_id = S1AP_UPLINK_NAS_LOG;
message_p = itti_alloc_new_message_sized(TASK_S1AP, message_id, res.result.encoded + sizeof (IttiMsgText));
message_p->ittiMsg.s1ap_uplink_nas_log.size = res.result.encoded;
memcpy(&message_p->ittiMsg.s1ap_uplink_nas_log.text, res.buffer, res.result.encoded);
itti_send_msg_to_task(TASK_UNKNOWN, INSTANCE_DEFAULT, message_p);
free(res.buffer);
break;
case S1AP_ProcedureCode_id_UECapabilityInfoIndication:
res = asn_encode_to_new_buffer(NULL, ATS_CANONICAL_XER, &asn_DEF_S1AP_S1AP_PDU, pdu);
message_id = S1AP_UE_CAPABILITY_IND_LOG;
message_p = itti_alloc_new_message_sized(TASK_S1AP, message_id, res.result.encoded + sizeof (IttiMsgText));
message_p->ittiMsg.s1ap_ue_capability_ind_log.size = res.result.encoded;
memcpy(&message_p->ittiMsg.s1ap_ue_capability_ind_log.text, res.buffer, res.result.encoded);
itti_send_msg_to_task(TASK_UNKNOWN, INSTANCE_DEFAULT, message_p);
free(res.buffer);
break;
case S1AP_ProcedureCode_id_initialUEMessage:
res = asn_encode_to_new_buffer(NULL, ATS_CANONICAL_XER, &asn_DEF_S1AP_S1AP_PDU, pdu);
message_id = S1AP_INITIAL_UE_MESSAGE_LOG;
message_p = itti_alloc_new_message_sized(TASK_S1AP, message_id, res.result.encoded + sizeof (IttiMsgText));
message_p->ittiMsg.s1ap_initial_ue_message_log.size = res.result.encoded;
memcpy(&message_p->ittiMsg.s1ap_initial_ue_message_log.text, res.buffer, res.result.encoded);
itti_send_msg_to_task(TASK_UNKNOWN, INSTANCE_DEFAULT, message_p);
free(res.buffer);
break;
case S1AP_ProcedureCode_id_NASNonDeliveryIndication:
res = asn_encode_to_new_buffer(NULL, ATS_CANONICAL_XER, &asn_DEF_S1AP_S1AP_PDU, pdu);
message_id = S1AP_NAS_NON_DELIVERY_IND_LOG;
message_p = itti_alloc_new_message_sized(TASK_S1AP, message_id, res.result.encoded + sizeof (IttiMsgText));
message_p->ittiMsg.s1ap_nas_non_delivery_ind_log.size = res.result.encoded;
memcpy(&message_p->ittiMsg.s1ap_nas_non_delivery_ind_log.text, res.buffer, res.result.encoded);
itti_send_msg_to_task(TASK_UNKNOWN, INSTANCE_DEFAULT, message_p);
free(res.buffer);
break;
case S1AP_ProcedureCode_id_UEContextReleaseRequest:
res = asn_encode_to_new_buffer(NULL, ATS_CANONICAL_XER, &asn_DEF_S1AP_S1AP_PDU, pdu);
message_id = S1AP_UE_CONTEXT_RELEASE_REQ_LOG;
message_p = itti_alloc_new_message_sized(TASK_S1AP, message_id, res.result.encoded + sizeof (IttiMsgText));
message_p->ittiMsg.s1ap_ue_context_release_req_log.size = res.result.encoded;
memcpy(&message_p->ittiMsg.s1ap_ue_context_release_req_log.text, res.buffer, res.result.encoded);
itti_send_msg_to_task(TASK_UNKNOWN, INSTANCE_DEFAULT, message_p);
free(res.buffer);
break;
default:
S1AP_DEBUG("Unknown procedure ID (%d) for initiating message\n",
(int)pdu->choice.initiatingMessage.procedureCode);
return -1;
}
if (asn1_xer_print) {
xer_fprint(stdout, &asn_DEF_S1AP_S1AP_PDU, (void *)pdu);
}
memset(&res, 0, sizeof(res));
res = asn_encode_to_new_buffer(NULL, ATS_ALIGNED_CANONICAL_PER, &asn_DEF_S1AP_S1AP_PDU, pdu);
*buffer = res.buffer;
*len = res.result.encoded;
return 0;
}
static inline
int s1ap_eNB_encode_successfull_outcome(S1AP_S1AP_PDU_t *pdu,
uint8_t **buffer, uint32_t *len)
{
MessageDef *message_p;
MessagesIds message_id;
asn_encode_to_new_buffer_result_t res = { NULL, {0, NULL, NULL} };
DevAssert(pdu != NULL);
switch(pdu->choice.successfulOutcome.procedureCode) {
case S1AP_ProcedureCode_id_InitialContextSetup:
res = asn_encode_to_new_buffer(NULL, ATS_CANONICAL_XER, &asn_DEF_S1AP_S1AP_PDU, pdu);
if (res.result.encoded<=0) LOG_E(RRC,"S1AP_ProcedureCode_id_InitialContextSetup: res.result.encoded<=0\n");
else {
message_id = S1AP_INITIAL_CONTEXT_SETUP_LOG;
message_p = itti_alloc_new_message_sized(TASK_S1AP, message_id, res.result.encoded + sizeof (IttiMsgText));
message_p->ittiMsg.s1ap_initial_context_setup_log.size = res.result.encoded;
memcpy(&message_p->ittiMsg.s1ap_initial_context_setup_log.text, res.buffer, res.result.encoded);
itti_send_msg_to_task(TASK_UNKNOWN, INSTANCE_DEFAULT, message_p);
free(res.buffer);
}
break;
case S1AP_ProcedureCode_id_UEContextRelease:
res = asn_encode_to_new_buffer(NULL, ATS_CANONICAL_XER, &asn_DEF_S1AP_S1AP_PDU, pdu);
if (res.result.encoded<=0) LOG_E(RRC,"S1AP_ProcedureCode_id_UEContextRelease: res.result.encoded<=0\n");
else {
message_id = S1AP_UE_CONTEXT_RELEASE_COMPLETE_LOG;
message_p = itti_alloc_new_message_sized(TASK_S1AP, message_id, res.result.encoded + sizeof (IttiMsgText));
message_p->ittiMsg.s1ap_ue_context_release_complete_log.size = res.result.encoded;
memcpy(&message_p->ittiMsg.s1ap_ue_context_release_complete_log.text, res.buffer, res.result.encoded);
itti_send_msg_to_task(TASK_UNKNOWN, INSTANCE_DEFAULT, message_p);
free(res.buffer);
}
break;
case S1AP_ProcedureCode_id_E_RABSetup:
res = asn_encode_to_new_buffer(NULL, ATS_CANONICAL_XER, &asn_DEF_S1AP_S1AP_PDU, pdu);
AssertFatal(res.result.encoded>0,"res.result.encoded<=0\n");
message_id = S1AP_E_RAB_SETUP_RESPONSE_LOG;
message_p = itti_alloc_new_message_sized(TASK_S1AP, message_id, res.result.encoded + sizeof (IttiMsgText));
message_p->ittiMsg.s1ap_e_rab_setup_response_log.size = res.result.encoded;
memcpy(&message_p->ittiMsg.s1ap_e_rab_setup_response_log.text, res.buffer, res.result.encoded);
itti_send_msg_to_task(TASK_UNKNOWN, INSTANCE_DEFAULT, message_p);
free(res.buffer);
S1AP_INFO("E_RABSetup successful message\n");
break;
case S1AP_ProcedureCode_id_E_RABModify:
res = asn_encode_to_new_buffer(NULL, ATS_CANONICAL_XER, &asn_DEF_S1AP_S1AP_PDU, pdu);
if (res.result.encoded<=0) LOG_E(RRC,"S1AP_ProcedureCode_id_E_RABModify: res.result.encoded<=0\n");
else {
message_id = S1AP_E_RAB_MODIFY_RESPONSE_LOG;
message_p = itti_alloc_new_message_sized(TASK_S1AP, message_id, res.result.encoded + sizeof (IttiMsgText));
message_p->ittiMsg.s1ap_e_rab_modify_response_log.size = res.result.encoded;
memcpy(&message_p->ittiMsg.s1ap_e_rab_modify_response_log.text, res.buffer, res.result.encoded);
itti_send_msg_to_task(TASK_UNKNOWN, INSTANCE_DEFAULT, message_p);
free(res.buffer);
S1AP_INFO("E_RABModify successful message\n");
}
break;
case S1AP_ProcedureCode_id_E_RABRelease:
res = asn_encode_to_new_buffer(NULL, ATS_CANONICAL_XER, &asn_DEF_S1AP_S1AP_PDU, pdu);
if (res.result.encoded<=0) LOG_E(RRC,"S1AP_ProcedureCode_id_E_RABRelease: res.result.encoded<=0\n");
else {
message_id = S1AP_E_RAB_RELEASE_RESPONSE_LOG;
message_p = itti_alloc_new_message_sized(TASK_S1AP, message_id, res.result.encoded + sizeof (IttiMsgText));
message_p->ittiMsg.s1ap_e_rab_release_response_log.size = res.result.encoded;
memcpy(&message_p->ittiMsg.s1ap_e_rab_release_response_log.text, res.buffer, res.result.encoded);
itti_send_msg_to_task(TASK_UNKNOWN, INSTANCE_DEFAULT, message_p);
free(res.buffer);
S1AP_INFO("E_RAB Release successful message\n");
}
break;
default:
S1AP_WARN("Unknown procedure ID (%d) for successfull outcome message\n",
(int)pdu->choice.successfulOutcome.procedureCode);
return -1;
}
if (asn1_xer_print) {
xer_fprint(stdout, &asn_DEF_S1AP_S1AP_PDU, (void *)pdu);
}
memset(&res, 0, sizeof(res));
res = asn_encode_to_new_buffer(NULL, ATS_ALIGNED_CANONICAL_PER, &asn_DEF_S1AP_S1AP_PDU, pdu);
*buffer = res.buffer;
*len = res.result.encoded;
return 0;
}
static inline
int s1ap_eNB_encode_unsuccessfull_outcome(S1AP_S1AP_PDU_t *pdu,
uint8_t **buffer, uint32_t *len)
{
MessageDef *message_p;
MessagesIds message_id;
asn_encode_to_new_buffer_result_t res = { NULL, {0, NULL, NULL} };
DevAssert(pdu != NULL);
switch(pdu->choice.unsuccessfulOutcome.procedureCode) {
case S1AP_ProcedureCode_id_InitialContextSetup:
res = asn_encode_to_new_buffer(NULL, ATS_CANONICAL_XER, &asn_DEF_S1AP_S1AP_PDU, pdu);
message_id = S1AP_INITIAL_CONTEXT_SETUP_LOG;
message_p = itti_alloc_new_message_sized(TASK_S1AP, message_id, res.result.encoded + sizeof (IttiMsgText));
message_p->ittiMsg.s1ap_initial_context_setup_log.size = res.result.encoded;
memcpy(&message_p->ittiMsg.s1ap_initial_context_setup_log.text, res.buffer, res.result.encoded);
itti_send_msg_to_task(TASK_UNKNOWN, INSTANCE_DEFAULT, message_p);
free(res.buffer);
break;
default:
S1AP_DEBUG("Unknown procedure ID (%d) for unsuccessfull outcome message\n",
(int)pdu->choice.unsuccessfulOutcome.procedureCode);
return -1;
}
if (asn1_xer_print) {
xer_fprint(stdout, &asn_DEF_S1AP_S1AP_PDU, (void *)pdu);
}
memset(&res, 0, sizeof(res));
res = asn_encode_to_new_buffer(NULL, ATS_ALIGNED_CANONICAL_PER, &asn_DEF_S1AP_S1AP_PDU, pdu);
*buffer = res.buffer;
*len = res.result.encoded;
return 0;
}
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