/*
 * 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 "MsNetworkFeatureSupport.h"

int decode_ms_network_feature_support(MsNetworkFeatureSupport *msnetworkfeaturesupport, uint8_t iei, uint8_t *buffer, uint32_t len)
{
  int decoded = 0;
 
  
  if (iei > 0) {
    CHECK_IEI_DECODER(iei, (*buffer & 0xc0));
  }
  msnetworkfeaturesupport->spare_bits= (*(buffer + decoded) >> 3) & 0x7;
  msnetworkfeaturesupport->extended_periodic_timers= *(buffer + decoded) & 0x1;
  decoded++;
  
#if defined (NAS_DEBUG)
  dump_ms_network_feature_support_xml(msnetworkfeaturesupport, iei);
#endif
  return decoded;
}
int encode_ms_network_feature_support(MsNetworkFeatureSupport *msnetworkfeaturesupport, uint8_t iei, uint8_t *buffer, uint32_t len)
{
  //uint8_t *lenPtr;
  uint32_t encoded = 0;
  //int encode_result;
  /* Checking IEI and pointer */
  CHECK_PDU_POINTER_AND_LENGTH_ENCODER(buffer, MS_NETWORK_FEATURE_SUPPORT_MINIMUM_LENGTH, len);
#if defined (NAS_DEBUG)
  dump_ms_network_feature_support_xml(msnetworkfeaturesupport, iei);
#endif

  
  *(buffer + encoded) = 0x00 | ((msnetworkfeaturesupport->spare_bits & 0x7) << 3)  
                             | (msnetworkfeaturesupport->extended_periodic_timers & 0x1);
  encoded++;
  return encoded;
}

void dump_ms_network_feature_support_xml(MsNetworkFeatureSupport *msnetworkfeaturesupport, uint8_t iei)
{
  printf("<Ms Network Feature Support>\n");

  if (iei > 0)
    /* Don't display IEI if = 0 */
    printf("    <IEI>0x%X</IEI>\n", iei);
  
  printf("    <spare_bits>%u<spare_bits>\n",msnetworkfeaturesupport->spare_bits);
  printf("    <extended_periodic_timer>%u<extended_periodic_timer>\n",msnetworkfeaturesupport->extended_periodic_timers);
  printf("</Ms Network Feature Support>\n");
}