Files
openairinterface5g/openair3/NAS/COMMON/IES/CsfbResponse.c
T

100 lines
2.9 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
*/
#include <stdio.h>
#include <stdlib.h>
#include <stdint.h>
#include "TLVEncoder.h"
#include "TLVDecoder.h"
#include "CsfbResponse.h"
int decode_csfb_response(CsfbResponse *csfbresponse, uint8_t iei, uint8_t *buffer, uint32_t len)
{
int decoded = 0;
CHECK_PDU_POINTER_AND_LENGTH_DECODER(buffer, CSFB_RESPONSE_MINIMUM_LENGTH, len);
if (iei > 0) {
CHECK_IEI_DECODER((*buffer & 0xf0), iei);
}
*csfbresponse = *buffer & 0x7;
decoded++;
#if defined (NAS_DEBUG)
dump_csfb_response_xml(csfbresponse, iei);
#endif
return decoded;
}
int decode_u8_csfb_response(CsfbResponse *csfbresponse, uint8_t iei, uint8_t value, uint32_t len)
{
int decoded = 0;
uint8_t *buffer = &value;
*csfbresponse = *buffer & 0x7;
decoded++;
#if defined (NAS_DEBUG)
dump_csfb_response_xml(csfbresponse, iei);
#endif
return decoded;
}
int encode_csfb_response(CsfbResponse *csfbresponse, uint8_t iei, uint8_t *buffer, uint32_t len)
{
uint8_t encoded = 0;
/* Checking length and pointer */
CHECK_PDU_POINTER_AND_LENGTH_ENCODER(buffer, CSFB_RESPONSE_MINIMUM_LENGTH, len);
#if defined (NAS_DEBUG)
dump_csfb_response_xml(csfbresponse, iei);
#endif
*(buffer + encoded) = 0x00 | (iei & 0xf0) |
(*csfbresponse & 0x7);
encoded++;
return encoded;
}
uint8_t encode_u8_csfb_response(CsfbResponse *csfbresponse)
{
uint8_t bufferReturn;
uint8_t *buffer = &bufferReturn;
uint8_t encoded = 0;
uint8_t iei = 0;
dump_csfb_response_xml(csfbresponse, 0);
*(buffer + encoded) = 0x00 | (iei & 0xf0) |
(*csfbresponse & 0x7);
encoded++;
return bufferReturn;
}
void dump_csfb_response_xml(CsfbResponse *csfbresponse, uint8_t iei)
{
printf("<Csfb Response>\n");
if (iei > 0)
/* Don't display IEI if = 0 */
printf(" <IEI>0x%X</IEI>\n", iei);
printf(" <CSFB response value>%u</CSFB response value>\n", *csfbresponse);
printf("</Csfb Response>\n");
}