370 lines
13 KiB
C
370 lines
13 KiB
C
/*
|
|
* 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_encoder.c
|
|
* \brief f1ap pdu encode procedures
|
|
* \author EURECOM/NTUST
|
|
* \date 2018
|
|
* \version 0.1
|
|
* \company Eurecom
|
|
* \email: navid.nikaein@eurecom.fr, bing-kai.hong@eurecom.fr
|
|
* \note
|
|
* \warning
|
|
*/
|
|
|
|
#include "f1ap_common.h"
|
|
#include "f1ap_encoder.h"
|
|
|
|
/*
|
|
static inline int f1ap_encode_initiating(f1ap_message *message,
|
|
uint8_t **buffer,
|
|
uint32_t *len);
|
|
|
|
static inline int f1ap_encode_successfull_outcome(f1ap_message *message,
|
|
uint8_t **buffer, uint32_t *len);
|
|
|
|
static inline int f1ap_encode_unsuccessfull_outcome(f1ap_message *message,
|
|
uint8_t **buffer, uint32_t *len);
|
|
|
|
static inline int f1ap_encode_f1_setup_request(
|
|
F1ap_F1SetupRequestIEs_t *f1SetupRequestIEs, uint8_t **buffer, uint32_t *length);
|
|
|
|
static inline int f1ap_encode_trace_failure(F1ap_TraceFailureIndicationIEs_t
|
|
*trace_failure_ies_p, uint8_t **buffer,
|
|
uint32_t *length);
|
|
|
|
static inline int f1ap_encode_initial_context_setup_response(
|
|
F1ap_InitialContextSetupResponseIEs_t *initialContextSetupResponseIEs,
|
|
uint8_t **buffer,
|
|
uint32_t *length);
|
|
|
|
static inline
|
|
int f1ap_encode_ue_context_release_complete(
|
|
F1ap_UEContextReleaseCompleteIEs_t *f1ap_UEContextReleaseCompleteIEs,
|
|
uint8_t **buffer,
|
|
uint32_t *length);
|
|
|
|
static inline
|
|
int f1ap_encode_ue_context_release_request(
|
|
F1ap_UEContextReleaseRequestIEs_t *f1ap_UEContextReleaseRequestIEs,
|
|
uint8_t **buffer,
|
|
uint32_t *length);
|
|
*/
|
|
|
|
int f1ap_encode_pdu(F1AP_F1AP_PDU_t *pdu, uint8_t **buffer, uint32_t *length)
|
|
{
|
|
ssize_t encoded;
|
|
DevAssert(pdu != NULL);
|
|
DevAssert(buffer != NULL);
|
|
DevAssert(length != NULL);
|
|
|
|
xer_fprint(stdout, &asn_DEF_F1AP_F1AP_PDU, pdu);
|
|
encoded = aper_encode_to_new_buffer(&asn_DEF_F1AP_F1AP_PDU, 0, pdu, (void **)buffer);
|
|
|
|
if (encoded < 0) {
|
|
LOG_E(F1AP, "Failed to encode F1AP message\n");
|
|
return -1;
|
|
}
|
|
*length = encoded;
|
|
/* Is the following needed? I moved the code here from CU_F1AP.c/DU_F1AP.c */
|
|
// ASN_STRUCT_FREE_CONTENTS_ONLY(asn_DEF_F1AP_F1AP_PDU, pdu);
|
|
return encoded;
|
|
}
|
|
|
|
/*
|
|
static inline
|
|
int f1ap_encode_initiating(f1ap_message *f1ap_message_p,
|
|
uint8_t **buffer, uint32_t *len)
|
|
{
|
|
int ret = -1;
|
|
MessageDef *message_p;
|
|
char *message_string = NULL;
|
|
size_t message_string_size;
|
|
MessagesIds message_id;
|
|
|
|
DevAssert(f1ap_message_p != NULL);
|
|
|
|
message_string = calloc(10000, sizeof(char));
|
|
|
|
f1ap_string_total_size = 0;
|
|
|
|
switch(f1ap_message_p->procedureCode) {
|
|
case F1ap_ProcedureCode_id_F1Setup:
|
|
ret = f1ap_encode_f1_setup_request(
|
|
&f1ap_message_p->msg.f1ap_F1SetupRequestIEs, buffer, len);
|
|
//f1ap_xer_print_f1ap_f1setuprequest(f1ap_xer__print2sp, message_string, f1ap_message_p);
|
|
message_id = F1AP_F1_SETUP_LOG;
|
|
break;
|
|
|
|
case F1ap_ProcedureCode_id_UEContextReleaseRequest:
|
|
ret = f1ap_encode_ue_context_release_request(
|
|
&f1ap_message_p->msg.f1ap_UEContextReleaseRequestIEs, buffer, len);
|
|
//f1ap_xer_print_f1ap_uecontextreleaserequest(f1ap_xer__print2sp,
|
|
// message_string, f1ap_message_p);
|
|
message_id = F1AP_UE_CONTEXT_RELEASE_REQ_LOG;
|
|
break;
|
|
|
|
|
|
default:
|
|
F1AP_DEBUG("Unknown procedure ID (%d) for initiating message\n",
|
|
(int)f1ap_message_p->procedureCode);
|
|
return ret;
|
|
break;
|
|
}
|
|
|
|
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 inline
|
|
int f1ap_encode_successfull_outcome(f1ap_message *f1ap_message_p,
|
|
uint8_t **buffer, uint32_t *len)
|
|
{
|
|
int ret = -1;
|
|
MessageDef *message_p;
|
|
char *message_string = NULL;
|
|
size_t message_string_size;
|
|
MessagesIds message_id;
|
|
|
|
DevAssert(f1ap_message_p != NULL);
|
|
|
|
message_string = calloc(10000, sizeof(char));
|
|
|
|
f1ap_string_total_size = 0;
|
|
message_string_size = strlen(message_string);
|
|
|
|
|
|
switch(f1ap_message_p->procedureCode) {
|
|
case F1ap_ProcedureCode_id_InitialContextSetup:
|
|
ret = f1ap_encode_initial_context_setup_response(
|
|
&f1ap_message_p->msg.f1ap_InitialContextSetupResponseIEs, buffer, len);
|
|
|
|
f1ap_xer_print_f1ap_initialcontextsetupresponse(f1ap_xer__print2sp, message_string, f1ap_message_p);
|
|
message_id = F1AP_INITIAL_CONTEXT_SETUP_LOG;
|
|
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_encode_ue_context_release_complete(
|
|
&f1ap_message_p->msg.f1ap_UEContextReleaseCompleteIEs, buffer, len);
|
|
f1ap_xer_print_f1ap_uecontextreleasecomplete(f1ap_xer__print2sp, message_string, f1ap_message_p);
|
|
message_id = F1AP_UE_CONTEXT_RELEASE_COMPLETE_LOG;
|
|
message_p = itti_alloc_new_message_sized(TASK_F1AP, message_id, message_string_size + sizeof (IttiMsgText));
|
|
message_p->ittiMsg.f1ap_ue_context_release_complete_log.size = message_string_size;
|
|
memcpy(&message_p->ittiMsg.f1ap_ue_context_release_complete_log.text, message_string, message_string_size);
|
|
itti_send_msg_to_task(TASK_UNKNOWN, INSTANCE_DEFAULT, message_p);
|
|
free(message_string);
|
|
break;
|
|
|
|
default:
|
|
F1AP_WARN("Unknown procedure ID (%d) for successfull outcome message\n",
|
|
(int)f1ap_message_p->procedureCode);
|
|
return ret;
|
|
break;
|
|
}
|
|
|
|
|
|
return ret;
|
|
}
|
|
|
|
static inline
|
|
int f1ap_encode_unsuccessfull_outcome(f1ap_message *f1ap_message_p,
|
|
uint8_t **buffer, uint32_t *len)
|
|
{
|
|
int ret = -1;
|
|
MessageDef *message_p;
|
|
char *message_string = NULL;
|
|
size_t message_string_size;
|
|
MessagesIds message_id;
|
|
|
|
DevAssert(f1ap_message_p != NULL);
|
|
|
|
message_string = calloc(10000, sizeof(char));
|
|
|
|
f1ap_string_total_size = 0;
|
|
|
|
switch(f1ap_message_p->procedureCode) {
|
|
case F1ap_ProcedureCode_id_InitialContextSetup:
|
|
// ret = f1ap_encode_f1ap_initialcontextsetupfailureies(
|
|
// &f1ap_message_p->ittiMsg.f1ap_InitialContextSetupFailureIEs, buffer, len);
|
|
f1ap_xer_print_f1ap_initialcontextsetupfailure(f1ap_xer__print2sp, message_string, f1ap_message_p);
|
|
message_id = F1AP_INITIAL_CONTEXT_SETUP_LOG;
|
|
break;
|
|
|
|
default:
|
|
F1AP_DEBUG("Unknown procedure ID (%d) for unsuccessfull outcome message\n",
|
|
(int)f1ap_message_p->procedureCode);
|
|
return ret;
|
|
break;
|
|
}
|
|
|
|
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);
|
|
|
|
return ret;
|
|
}
|
|
|
|
static inline
|
|
int f1ap_encode_f1_setup_request(
|
|
F1ap_F1SetupRequestIEs_t *f1SetupRequestIEs,
|
|
uint8_t **buffer,
|
|
uint32_t *length)
|
|
{
|
|
F1ap_F1SetupRequest_t f1SetupRequest;
|
|
F1ap_F1SetupRequest_t *f1SetupRequest_p = &f1SetupRequest;
|
|
|
|
memset((void *)f1SetupRequest_p, 0, sizeof(f1SetupRequest));
|
|
|
|
if (f1ap_encode_f1ap_f1setuprequesties(f1SetupRequest_p, f1SetupRequestIEs) < 0) {
|
|
return -1;
|
|
}
|
|
|
|
return f1ap_generate_initiating_message(buffer,
|
|
length,
|
|
F1ap_ProcedureCode_id_F1Setup,
|
|
F1ap_Criticality_reject,
|
|
&asn_DEF_F1ap_F1SetupRequest,
|
|
f1SetupRequest_p);
|
|
}
|
|
|
|
static inline
|
|
int f1ap_encode_trace_failure(
|
|
F1ap_TraceFailureIndicationIEs_t *trace_failure_ies_p,
|
|
uint8_t **buffer,
|
|
uint32_t *length)
|
|
{
|
|
F1ap_TraceFailureIndication_t trace_failure;
|
|
F1ap_TraceFailureIndication_t *trace_failure_p = &trace_failure;
|
|
|
|
memset((void *)trace_failure_p, 0, sizeof(trace_failure));
|
|
|
|
if (f1ap_encode_f1ap_tracefailureindicationies(
|
|
trace_failure_p, trace_failure_ies_p) < 0) {
|
|
return -1;
|
|
}
|
|
|
|
return f1ap_generate_initiating_message(buffer,
|
|
length,
|
|
F1ap_ProcedureCode_id_TraceFailureIndication,
|
|
F1ap_Criticality_reject,
|
|
&asn_DEF_F1ap_TraceFailureIndication,
|
|
trace_failure_p);
|
|
}
|
|
|
|
static inline
|
|
int f1ap_encode_initial_context_setup_response(
|
|
F1ap_InitialContextSetupResponseIEs_t *initialContextSetupResponseIEs,
|
|
uint8_t **buffer,
|
|
uint32_t *length)
|
|
{
|
|
F1ap_InitialContextSetupResponse_t initial_context_setup_response;
|
|
F1ap_InitialContextSetupResponse_t *initial_context_setup_response_p =
|
|
&initial_context_setup_response;
|
|
|
|
memset((void *)initial_context_setup_response_p, 0,
|
|
sizeof(initial_context_setup_response));
|
|
|
|
if (f1ap_encode_f1ap_initialcontextsetupresponseies(
|
|
initial_context_setup_response_p, initialContextSetupResponseIEs) < 0) {
|
|
return -1;
|
|
}
|
|
|
|
return f1ap_generate_successfull_outcome(buffer,
|
|
length,
|
|
F1ap_ProcedureCode_id_InitialContextSetup,
|
|
F1ap_Criticality_reject,
|
|
&asn_DEF_F1ap_InitialContextSetupResponse,
|
|
initial_context_setup_response_p);
|
|
}
|
|
|
|
static inline
|
|
int f1ap_encode_ue_context_release_complete(
|
|
F1ap_UEContextReleaseCompleteIEs_t *f1ap_UEContextReleaseCompleteIEs,
|
|
uint8_t **buffer,
|
|
uint32_t *length)
|
|
{
|
|
F1ap_UEContextReleaseComplete_t ue_context_release_complete;
|
|
F1ap_UEContextReleaseComplete_t *ue_context_release_complete_p =
|
|
&ue_context_release_complete;
|
|
|
|
memset((void *)ue_context_release_complete_p, 0,
|
|
sizeof(ue_context_release_complete));
|
|
|
|
if (f1ap_encode_f1ap_uecontextreleasecompleteies(
|
|
ue_context_release_complete_p, f1ap_UEContextReleaseCompleteIEs) < 0) {
|
|
return -1;
|
|
}
|
|
|
|
return f1ap_generate_successfull_outcome(buffer,
|
|
length,
|
|
F1ap_ProcedureCode_id_UEContextRelease,
|
|
F1ap_Criticality_reject,
|
|
&asn_DEF_F1ap_UEContextReleaseComplete,
|
|
ue_context_release_complete_p);
|
|
}
|
|
|
|
static inline
|
|
int f1ap_encode_ue_context_release_request(
|
|
F1ap_UEContextReleaseRequestIEs_t *f1ap_UEContextReleaseRequestIEs,
|
|
uint8_t **buffer,
|
|
uint32_t *length)
|
|
{
|
|
F1ap_UEContextReleaseRequest_t ue_context_release_request;
|
|
F1ap_UEContextReleaseRequest_t *ue_context_release_request_p =
|
|
&ue_context_release_request;
|
|
|
|
memset((void *)ue_context_release_request_p, 0,
|
|
sizeof(ue_context_release_request));
|
|
|
|
if (f1ap_encode_f1ap_uecontextreleaserequesties(
|
|
ue_context_release_request_p, f1ap_UEContextReleaseRequestIEs) < 0) {
|
|
return -1;
|
|
}
|
|
|
|
return f1ap_generate_initiating_message(buffer,
|
|
length,
|
|
F1ap_ProcedureCode_id_UEContextReleaseRequest,
|
|
F1ap_Criticality_reject,
|
|
&asn_DEF_F1ap_UEContextReleaseRequest,
|
|
ue_context_release_request_p);
|
|
}
|
|
*/
|