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1.Update the F1 messages with F1AP spec R15.2.1 and build scripts for proper generation of F1 messages

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2.Add SCTP procedure (without ITTI) with F1AP
3.Add F1AP test code
This commit is contained in:
Bing-Kai Hong
2018-08-28 15:05:05 +02:00
parent b58ef54608
commit b797dafdc6
30 changed files with 11494 additions and 62 deletions
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openair2/F1AP/f1ap_decoder.c
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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 f1ap_decoder.c
* \brief f1ap pdu decode procedures
* \author EURECOM/NTUST
* \date 2018
* \version 0.1
* \company Eurecom
* \email: navid.nikaein@eurecom.fr, bing-kai.hong@eurecom.fr
* \note
* \warning
*/
#include <stdio.h>
#include "assertions.h"
#include "intertask_interface.h"
#include "f1ap_common.h"
#include "f1ap_ies_defs.h"
#include "f1ap_decoder.h"
static int f1ap_decode_initiating_message(f1ap_message *message,
F1ap_InitiatingMessage_t *initiating_p)
{
int ret = -1;
MessageDef *message_p;
char *message_string = NULL;
size_t message_string_size;
MessagesIds message_id;
DevAssert(initiating_p != NULL);
message_string = calloc(10000, sizeof(char));
f1ap_string_total_size = 0;
message->procedureCode = initiating_p->procedureCode;
message->criticality = initiating_p->criticality;
switch(initiating_p->procedureCode) {
case F1ap_ProcedureCode_id_InitialContextSetup:
ret = f1ap_decode_f1ap_initialcontextsetuprequesties(
&message->msg.f1ap_InitialContextSetupRequestIEs, &initiating_p->value);
f1ap_xer_print_f1ap_initialcontextsetuprequest(f1ap_xer__print2sp, message_string, message);
message_id = F1AP_INITIAL_CONTEXT_SETUP_LOG;
message_string_size = strlen(message_string);
message_p = itti_alloc_new_message_sized(TASK_F1AP,
message_id,
message_string_size + sizeof (IttiMsgText));
message_p->ittiMsg.f1ap_initial_context_setup_log.size = message_string_size;
memcpy(&message_p->ittiMsg.f1ap_initial_context_setup_log.text, message_string, message_string_size);
itti_send_msg_to_task(TASK_UNKNOWN, INSTANCE_DEFAULT, message_p);
free(message_string);
break;
case F1ap_ProcedureCode_id_UEContextRelease:
ret = f1ap_decode_f1ap_uecontextreleasecommandies(
&message->msg.f1ap_UEContextReleaseCommandIEs, &initiating_p->value);
f1ap_xer_print_f1ap_uecontextreleasecommand(f1ap_xer__print2sp, message_string, message);
message_id = F1AP_UE_CONTEXT_RELEASE_COMMAND_LOG;
message_string_size = strlen(message_string);
message_p = itti_alloc_new_message_sized(TASK_F1AP,
message_id,
message_string_size + sizeof (IttiMsgText));
message_p->ittiMsg.f1ap_ue_context_release_command_log.size = message_string_size;
memcpy(&message_p->ittiMsg.f1ap_ue_context_release_command_log.text, message_string, message_string_size);
itti_send_msg_to_task(TASK_UNKNOWN, INSTANCE_DEFAULT, message_p);
free(message_string);
break;
case F1ap_ProcedureCode_id_ErrorIndication:
ret = f1ap_decode_f1ap_errorindicationies(
&message->msg.f1ap_ErrorIndicationIEs, &initiating_p->value);
f1ap_xer_print_f1ap_errorindication(f1ap_xer__print2sp, message_string, message);
message_id = F1AP_E_RAB_ERROR_INDICATION_LOG;
message_string_size = strlen(message_string);
message_p = itti_alloc_new_message_sized(TASK_F1AP,
message_id,
message_string_size + sizeof (IttiMsgText));
message_p->ittiMsg.f1ap_e_rab_release_request_log.size = message_string_size;
memcpy(&message_p->ittiMsg.f1ap_error_indication_log.text, message_string, message_string_size);
itti_send_msg_to_task(TASK_UNKNOWN, INSTANCE_DEFAULT, message_p);
free(message_string);
F1AP_INFO("ErrorIndication initiating message\n");
break;
default:
F1AP_ERROR("Unknown procedure ID (%d) for initiating message\n",
(int)initiating_p->procedureCode);
AssertFatal( 0 , "Unknown procedure ID (%d) for initiating message\n",
(int)initiating_p->procedureCode);
return -1;
}
return ret;
}
static int f1ap_decode_successful_outcome(f1ap_message *message,
F1ap_SuccessfulOutcome_t *successfullOutcome_p)
{
int ret = -1;
MessageDef *message_p;
char *message_string = NULL;
size_t message_string_size;
MessagesIds message_id;
DevAssert(successfullOutcome_p != NULL);
message_string = malloc(sizeof(char) * 10000);
memset((void*)message_string,0,sizeof(char) * 10000);
f1ap_string_total_size = 0;
message->procedureCode = successfullOutcome_p->procedureCode;
message->criticality = successfullOutcome_p->criticality;
switch(successfullOutcome_p->procedureCode) {
case F1ap_ProcedureCode_id_F1Setup:
ret = f1ap_decode_f1ap_f1setupresponseies(
&message->msg.f1ap_F1SetupResponseIEs, &successfullOutcome_p->value);
f1ap_xer_print_f1ap_f1setupresponse(f1ap_xer__print2sp, message_string, message);
message_id = F1AP_F1_SETUP_LOG;
break;
default:
F1AP_ERROR("Unknown procedure ID (%d) for successfull outcome message\n",
(int)successfullOutcome_p->procedureCode);
return -1;
}
message_string_size = strlen(message_string);
message_p = itti_alloc_new_message_sized(TASK_F1AP, message_id, message_string_size + sizeof (IttiMsgText));
message_p->ittiMsg.f1ap_f1_setup_log.size = message_string_size;
memcpy(&message_p->ittiMsg.f1ap_f1_setup_log.text, message_string, message_string_size);
itti_send_msg_to_task(TASK_UNKNOWN, INSTANCE_DEFAULT, message_p);
free(message_string);
return ret;
}
static int f1ap_decode_unsuccessful_outcome(f1ap_message *message,
F1ap_UnsuccessfulOutcome_t *unSuccessfullOutcome_p)
{
int ret = -1;
DevAssert(unSuccessfullOutcome_p != NULL);
message->procedureCode = unSuccessfullOutcome_p->procedureCode;
message->criticality = unSuccessfullOutcome_p->criticality;
switch(unSuccessfullOutcome_p->procedureCode) {
case F1ap_ProcedureCode_id_F1Setup:
return f1ap_decode_f1ap_f1setupfailureies(
&message->msg.f1ap_F1SetupFailureIEs, &unSuccessfullOutcome_p->value);
default:
F1AP_ERROR("Unknown procedure ID (%d) for unsuccessfull outcome message\n",
(int)unSuccessfullOutcome_p->procedureCode);
break;
}
return ret;
}
int f1ap_decode_pdu(f1ap_message *message, const uint8_t * const buffer,
const uint32_t length)
{
F1AP_PDU_t pdu;
F1AP_PDU_t *pdu_p = &pdu;
asn_dec_rval_t dec_ret;
DevAssert(buffer != NULL);
memset((void *)pdu_p, 0, sizeof(F1AP_PDU_t));
dec_ret = aper_decode(NULL,
&asn_DEF_F1AP_PDU,
(void **)&pdu_p,
buffer,
length,
0,
0);
if (dec_ret.code != RC_OK) {
F1AP_ERROR("Failed to decode pdu\n");
return -1;
}
message->direction = pdu_p->present;
switch(pdu_p->present) {
case F1AP_F1AP_PDU_PR_initiatingMessage:
return f1ap_decode_initiating_message(message,
&pdu_p->choice.initiatingMessage);
case F1AP_F1AP_PDU_PR_successfulOutcome:
return f1ap_decode_successful_outcome(message,
&pdu_p->choice.successfulOutcome);
case F1AP_F1AP_PDU_PR_unsuccessfulOutcome:
return f1ap_decode_unsuccessful_outcome(message,
&pdu_p->choice.unsuccessfulOutcome);
default:
F1AP_DEBUG("Unknown presence (%d) or not implemented\n", (int)pdu_p->present);
break;
}
return -1;
}