/* * 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" int asn1_encoder_xer_print = 1; 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); if (asn1_encoder_xer_print) { LOG_E(F1AP, "----------------- ASN1 ENCODER PRINT START ----------------- \n"); xer_fprint(stdout, &asn_DEF_F1AP_F1AP_PDU, pdu); LOG_E(F1AP, "----------------- ASN1 ENCODER PRINT END----------------- \n"); } char errbuf[128]; /* Buffer for error message */ size_t errlen = sizeof(errbuf); /* Size of the buffer */ int ret = asn_check_constraints(&asn_DEF_F1AP_F1AP_PDU, pdu, errbuf, &errlen); /* assert(errlen < sizeof(errbuf)); // Guaranteed: you may rely on that */ if(ret) { fprintf(stderr, "Constraint validation failed: %s\n", errbuf); } 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; 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); } */