text: /*
   * 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 1.0  (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 "ProtocolDiscriminator.h"
  #include "SecurityHeaderType.h"
  #include "MessageType.h"
  #include "NetworkName.h"
  #include "TimeZone.h"
  #include "TimeZoneAndTime.h"
  #include "DaylightSavingTime.h"
  
  #ifndef EMM_INFORMATION_H_
  #define EMM_INFORMATION_H_
  
  /* Minimum length macro. Formed by minimum length of each mandatory field */
  #define EMM_INFORMATION_MINIMUM_LENGTH (0)
  
  /* Maximum length macro. Formed by maximum length of each field */
  #define EMM_INFORMATION_MAXIMUM_LENGTH ( \
      NETWORK_NAME_MAXIMUM_LENGTH + \
      NETWORK_NAME_MAXIMUM_LENGTH + \
      TIME_ZONE_MAXIMUM_LENGTH + \
      TIME_ZONE_AND_TIME_MAXIMUM_LENGTH + \
      DAYLIGHT_SAVING_TIME_MAXIMUM_LENGTH )
  
  /* If an optional value is present and should be encoded, the corresponding
   * Bit mask should be set to 1.
   */
  # define EMM_INFORMATION_FULL_NAME_FOR_NETWORK_PRESENT              (1<<0)
  # define EMM_INFORMATION_SHORT_NAME_FOR_NETWORK_PRESENT             (1<<1)
  # define EMM_INFORMATION_LOCAL_TIME_ZONE_PRESENT                    (1<<2)
  # define EMM_INFORMATION_UNIVERSAL_TIME_AND_LOCAL_TIME_ZONE_PRESENT (1<<3)
  # define EMM_INFORMATION_NETWORK_DAYLIGHT_SAVING_TIME_PRESENT       (1<<4)
  
  typedef enum emm_information_iei_tag {
    EMM_INFORMATION_FULL_NAME_FOR_NETWORK_IEI               = 0x43, /* 0x43 = 67 */
    EMM_INFORMATION_SHORT_NAME_FOR_NETWORK_IEI              = 0x45, /* 0x45 = 69 */
    EMM_INFORMATION_LOCAL_TIME_ZONE_IEI                     = 0x46, /* 0x46 = 70 */
    EMM_INFORMATION_UNIVERSAL_TIME_AND_LOCAL_TIME_ZONE_IEI  = 0x47, /* 0x47 = 71 */
    EMM_INFORMATION_NETWORK_DAYLIGHT_SAVING_TIME_IEI        = 0x49, /* 0x49 = 73 */
  } emm_information_iei;
  
  /*
   * Message name: EMM information
   * Description: This message is sent by the network at any time during EMM context is established to send certain information to the UE. See table 8.2.13.1.
   * Significance: local
   * Direction: network to UE
   */
  
  typedef struct emm_information_msg_tag {
    /* Mandatory fields */
    ProtocolDiscriminator         protocoldiscriminator:4;
    SecurityHeaderType            securityheadertype:4;
    MessageType                   messagetype;
    /* Optional fields */
    uint32_t                      presencemask;
    NetworkName                   fullnamefornetwork;
    NetworkName                   shortnamefornetwork;
    TimeZone                      localtimezone;
    TimeZoneAndTime               universaltimeandlocaltimezone;
    DaylightSavingTime            networkdaylightsavingtime;
  } emm_information_msg;
  
  int decode_emm_information(emm_information_msg *emminformation, uint8_t *buffer, uint32_t len);
  
  int encode_emm_information(emm_information_msg *emminformation, uint8_t *buffer, uint32_t len);
  
  #endif /* ! defined(EMM_INFORMATION_H_) */
  
  