forked from acouzens/open5gs
194 lines
5.2 KiB
C
194 lines
5.2 KiB
C
/*
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* Licensed to the OpenAirInterface (OAI) Software Alliance under one or more
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* contributor license agreements. See the NOTICE file distributed with
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* this work for additional information regarding copyright ownership.
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* The OpenAirInterface Software Alliance licenses this file to You under
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* the Apache License, Version 2.0 (the "License"); you may not use this file
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* except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*-------------------------------------------------------------------------------
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* For more information about the OpenAirInterface (OAI) Software Alliance:
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* contact@openairinterface.org
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*/
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/*! \file s1ap_common.c
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\brief s1ap procedures for both eNB and MME
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\author Sebastien ROUX <sebastien.roux@eurecom.fr>
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\date 2012
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\version 0.1
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*/
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#include "s1ap_common.h"
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#include "S1AP-PDU.h"
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#if 0 /* modified by acetcom */
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#include "dynamic_memory_check.h"
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#include "log.h"
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#else
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#include "core_debug.h"
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#endif
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int asn_debug = 0;
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int asn1_xer_print = 0;
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void free_wrapper(void *ptr)
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{
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free(ptr);
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ptr = NULL;
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}
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ssize_t
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s1ap_generate_initiating_message (
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uint8_t ** buffer,
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uint32_t * length,
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e_S1ap_ProcedureCode procedureCode,
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S1ap_Criticality_t criticality,
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asn_TYPE_descriptor_t * td,
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void *sptr)
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{
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S1AP_PDU_t pdu;
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ssize_t encoded;
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memset (&pdu, 0, sizeof (S1AP_PDU_t));
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pdu.present = S1AP_PDU_PR_initiatingMessage;
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pdu.choice.initiatingMessage.procedureCode = procedureCode;
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pdu.choice.initiatingMessage.criticality = criticality;
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ANY_fromType_aper (&pdu.choice.initiatingMessage.value, td, sptr);
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if (asn1_xer_print) {
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xer_fprint (stdout, &asn_DEF_S1AP_PDU, (void *)&pdu);
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}
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/*
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* We can safely free list of IE from sptr
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*/
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ASN_STRUCT_FREE_CONTENTS_ONLY (*td, sptr);
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if ((encoded = aper_encode_to_new_buffer (&asn_DEF_S1AP_PDU, 0, &pdu, (void **)buffer)) < 0) {
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d_error("Encoding of %s failed\n", td->name);
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return -1;
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}
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*length = encoded;
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return encoded;
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}
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ssize_t
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s1ap_generate_successfull_outcome (
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uint8_t ** buffer,
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uint32_t * length,
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e_S1ap_ProcedureCode procedureCode,
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S1ap_Criticality_t criticality,
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asn_TYPE_descriptor_t * td,
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void *sptr)
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{
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S1AP_PDU_t pdu;
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ssize_t encoded;
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memset (&pdu, 0, sizeof (S1AP_PDU_t));
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pdu.present = S1AP_PDU_PR_successfulOutcome;
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pdu.choice.successfulOutcome.procedureCode = procedureCode;
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pdu.choice.successfulOutcome.criticality = criticality;
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ANY_fromType_aper (&pdu.choice.successfulOutcome.value, td, sptr);
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if (asn1_xer_print) {
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xer_fprint (stdout, &asn_DEF_S1AP_PDU, (void *)&pdu);
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}
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/*
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* We can safely free list of IE from sptr
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*/
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ASN_STRUCT_FREE_CONTENTS_ONLY (*td, sptr);
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if ((encoded = aper_encode_to_new_buffer (&asn_DEF_S1AP_PDU, 0, &pdu, (void **)buffer)) < 0) {
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d_error("Encoding of %s failed\n", td->name);
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return -1;
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}
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*length = encoded;
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return encoded;
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}
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ssize_t
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s1ap_generate_unsuccessfull_outcome (
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uint8_t ** buffer,
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uint32_t * length,
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e_S1ap_ProcedureCode procedureCode,
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S1ap_Criticality_t criticality,
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asn_TYPE_descriptor_t * td,
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void *sptr)
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{
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S1AP_PDU_t pdu;
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ssize_t encoded;
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memset (&pdu, 0, sizeof (S1AP_PDU_t));
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pdu.present = S1AP_PDU_PR_unsuccessfulOutcome;
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pdu.choice.successfulOutcome.procedureCode = procedureCode;
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pdu.choice.successfulOutcome.criticality = criticality;
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ANY_fromType_aper (&pdu.choice.successfulOutcome.value, td, sptr);
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if (asn1_xer_print) {
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xer_fprint (stdout, &asn_DEF_S1AP_PDU, (void *)&pdu);
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}
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/*
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* We can safely free list of IE from sptr
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*/
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ASN_STRUCT_FREE_CONTENTS_ONLY (*td, sptr);
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if ((encoded = aper_encode_to_new_buffer (&asn_DEF_S1AP_PDU, 0, &pdu, (void **)buffer)) < 0) {
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d_error("Encoding of %s failed\n", td->name);
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return -1;
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}
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*length = encoded;
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return encoded;
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}
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S1ap_IE_t *
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s1ap_new_ie (
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S1ap_ProtocolIE_ID_t id,
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S1ap_Criticality_t criticality,
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asn_TYPE_descriptor_t * type,
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void *sptr)
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{
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S1ap_IE_t *buff;
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if ((buff = malloc (sizeof (S1ap_IE_t))) == NULL) {
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// Possible error on malloc
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return NULL;
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}
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memset ((void *)buff, 0, sizeof (S1ap_IE_t));
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buff->id = id;
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buff->criticality = criticality;
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if (ANY_fromType_aper (&buff->value, type, sptr) < 0) {
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d_error("Encoding of %s failed\n", type->name);
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free_wrapper (buff);
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return NULL;
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}
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if (asn1_xer_print)
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if (xer_fprint (stdout, &asn_DEF_S1ap_IE, buff) < 0) {
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free_wrapper (buff);
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return NULL;
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}
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return buff;
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}
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void
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s1ap_handle_criticality (
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S1ap_Criticality_t criticality)
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{
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}
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