/*
 * Copyright (C) 2023 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 android.os.statsd.corenetworking.connectivity;

option java_package = "com.android.os.corenetworking.connectivity";
option java_multiple_files = true;

import "frameworks/proto_logging/stats/atom_field_options.proto";
import "frameworks/proto_logging/stats/enums/corenetworking/connectivity/enums.proto";

/**
 * Logs validation failure statistics for all <Rat, Signalstrength> pair on the system
 * default network once a day.
 *
 * Logs from:
 *   packages/modules/Connectivity/service/src/com/android/server/ConnectivityService.java
 */
message NetworkValidationFailureStatsDailyReported {
    optional ValidationFailureStatsPerRatSignalPair validation_failure_stats_per_rat_signal_pair = 1
          [(android.os.statsd.log_mode) = MODE_BYTES];
}

/**
 * Logs validation failure statistics on each list of <Rat, Signalstrength> pair.
 *
 * Logs from:
 *   packages/modules/Connectivity/service/src/com/android/server/ConnectivityService.java
 */
message ValidationFailureStatsPerRatSignalPair{
    repeated ValidationFailureStatsForRatSignalPair validation_failure_stats_for_rat_signal_pair= 1;
}

/**
 * Logs the validation failure statistics about a <Rat, Signalstrength> pair of the system
 * default network. The statistics include: 1.Validation failure count. 2.Validation failure
 * duration in milliseconds. 3.Total duration of connection in service in milliseconds.
 *
 * Logs from:
 *   packages/modules/Connectivity/service/src/com/android/server/ConnectivityService.java
 */
message ValidationFailureStatsForRatSignalPair {
    // Radio access type(2G, 3G, 4G, 5G, WIFI) of the system default network
    optional android.corenetworking.connectivity.RatType rat_type = 1;

    // The signal strength(Poor, moderate, good, great) of the default network when validation
    // failed. This field is only meaningful in the mobile network, it is useless in the WIFI
    // network. So the value will always be 'SIGNAL_STRENGTH_NONE_OR_UNKNOWN' in WIFI network.
    optional android.corenetworking.connectivity.SignalStrength signal_strength= 2;

    // The number of times the network transitioned from validation success to validation failure
    optional int32 count_of_failures  = 3;

    // The duration of validation_failure in milliseconds
    optional int32 validation_failure_duration_millis = 4;

    // The duration of connection in service in milliseconds
    optional int32 connection_in_service_duration_millis = 5;
}