//
// Copyright (C) 2017 The Android Open Source Project
//
// Licensed under the Apache License, Version 2.0 (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.apache.org/licenses/LICENSE-2.0
//
// 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.
//

syntax = "proto2";

package carrierIdentification;

option java_package = "com.android.internal.telephony";
option java_outer_classname = "CarrierIdProto";

// A complete list of carriers
message CarrierList {
  // A collection of carriers. one entry for one carrier.
  repeated CarrierId carrier_id = 1;
};

// CarrierId is the unique representation of a carrier in CID table.
message CarrierId {
  // [Required] A unique canonical number designated to a carrier.
  required int32 canonical_id = 1;

  // [Optional] A user-friendly carrier name (not localized).
  optional string carrier_name = 2;

  // [Required] Carrier attributes to match a carrier. At least one value is required.
  repeated CarrierAttribute carrier_attribute = 3;
};

// Attributes used to match a carrier.
// For each field within this message:
//   - if not set, the attribute is ignored;
//   - if set, the device must have one of the specified values to match.
// Match is based on AND between any field that is set and OR for values within a repeated field.
message CarrierAttribute {
  // [Required] The MCC and MNC that map to this carrier. At least one value is required.
  repeated string mccmnc_tuple = 1;

  // [Optional] Prefix of IMSI (International Mobile Subscriber Identity) in
  // decimal format. Some digits can be replaced with "x" symbols matching any digit.
  // Sample values: 20404794, 21670xx2xxx.
  repeated string imsi_prefix_xpattern = 2;

  // [Optional] The Service Provider Name. Read from subscription EF_SPN.
  // Sample values: C Spire, LeclercMobile
  repeated string spn = 3;

  // [Optional] PLMN network name. Read from subscription EF_PNN.
  // Sample values:
  repeated string plmn = 4;

  // [Optional] Group Identifier Level1 for a GSM phone. Read from subscription EF_GID1.
  // Sample values: 6D, BAE0000000000000
  repeated string gid1 = 5;

  // [Optional] Group Identifier Level2 for a GSM phone. Read from subscription EF_GID2.
  // Sample values: 6D, BAE0000000000000
  repeated string gid2 = 6;

  // [Optional] The Access Point Name, corresponding to "apn" field returned by
  // "content://telephony/carriers/preferapn" on device.
  // Sample values: fast.t-mobile.com, internet
  repeated string preferred_apn = 7;
};