service/src/com/android/metrics/stats.proto

/*
 * Copyright (C) 2022 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";
option java_multiple_files = true;

package com.android.metrics;

import "frameworks/proto_logging/stats/enums/stats/connectivity/connectivity_service.proto";

/**
 * Logs NSD(Network service discovery) client session
 *
 * Log from:
 *     packages/modules/Connectivity/service-t/src/com/android/server/NsdService
 */
message NetworkNsdReported {
  // Indicate if the device is using the legacy or the new implementation
  optional bool is_legacy = 1;

  // It is a random number to represent different clients. Each client is an app on the device.
  optional int32 client_id = 2;

  // It is a increment_number to represent different transactions.
  // Each transaction is a request from an app client.
  optional int32 transaction_id = 3;

  // Indicate the service in resolution is a known service in the discovered services cache
  optional bool is_known_service = 4;

  // Record each NSD session type
  optional .android.stats.connectivity.NsdEventType type = 5;

  // The process duration of the event in milli-second
  optional int64 event_duration_millisec = 6;

  // Record each mdns query result
  optional .android.stats.connectivity.MdnsQueryResult query_result = 7;

  // Count of services in cache at the end of discovery
  optional int32 found_service_count = 8;

  // Count of found callback when discovery is stopped
  optional int32 found_callback_count = 9;

  // Count of lost callback when discovery is stopped
  optional int32 lost_callback_count = 10;

  // Record query service count before unregistered service
  optional int32 replied_requests_count = 11;
}

/**
 * Logs the number of network count on each list of transports
 *
 * Logs from:
 *   packages/modules/Connectivity/service/src/com/android/server/ConnectivityService.java
 */
message NetworkCountPerTransports {
    // the number of network count on each list of transports
    repeated NetworkCountForTransports network_count_for_transports = 1;
}

/**
 * Logs the number of network count and transport type
 *
 * Logs from:
 *   packages/modules/Connectivity/service/src/com/android/server/ConnectivityService.java
 */
message NetworkCountForTransports {
    // Transport types of the network
    optional int32 transport_types = 1;

    // Number of networks for one list of transport types
    optional int32 network_count = 2;
}

/**
 * Logs a list of networks
 *
 * Logs from:
 *   packages/modules/Connectivity/service/src/com/android/server/ConnectivityService.java
 */
message NetworkList {
    repeated NetworkDescription network_description = 1;
}

/**
 * Logs connection duration in seconds and list of transports
 *
 * Logs from:
 *   packages/modules/Connectivity/service/src/com/android/server/ConnectivityService.java
 */
message ConnectionDurationForTransports {
    // Transport types of the network
    optional int32 transport_types = 1;

    // Time duration that the device stays connected to the network
    optional int32 duration_sec = 2;
}

/**
 * Logs connection duration on each list of transports, in seconds
 *
 * Logs from:
 *   packages/modules/Connectivity/service/src/com/android/server/ConnectivityService.java
 */
message ConnectionDurationPerTransports {
    repeated ConnectionDurationForTransports connection_duration_for_transports = 1;
}

/**
 * Logs network request count & request type
 *
 * Logs from:
 *   packages/modules/Connectivity/service/src/com/android/server/ConnectivityService.java
 */
message RequestCountForType {
    // The type of network request
    optional .android.stats.connectivity.RequestType request_type = 1;

    // Number of network requests
    optional int32 request_count = 2;
}

/**
 * Logs network request count
 *
 * Logs from:
 *   packages/modules/Connectivity/service/src/com/android/server/ConnectivityService.java
 */
message NetworkRequestCount {
    // Network request count for request type
    repeated RequestCountForType request_count_for_type = 1;
}

/**
 * Logs information about a network
 *
 * Logs from:
 *   packages/modules/Connectivity/service/src/com/android/server/ConnectivityService.java
 */
message NetworkDescription {
    // The transport types of the network. A network may include multiple transport types.
    // Each transfer type is represented by a different bit, defined in
    // packages/modules/Connectivity/framework/src/android/net/NetworkCapabilities.java
    optional int32 transport_types = 1;

    // Indicates the network is metered, non-metered or temporarily-unmetered
    optional .android.stats.connectivity.MeteredState metered_state = 2;

    // Indicates the network is validated, non-validated, partial or portal
    optional .android.stats.connectivity.ValidatedState validated_state = 3;

    // Record the bitmask of all the policies applied to this score of network.
    // Each policy is represented by a different bit, defined in
    // packages/modules/Connectivity/service/src/com/android/server/connectivity/FullScore.java
    optional int64 score_policies = 4;

    // The capabilities of the network. A network may include multiple network capabilities.
    // Each capability is represented by a different bit, defined in
    // packages/modules/Connectivity/framework/src/android/net/NetworkCapabilities.java
    optional int64 capabilities = 5;

    // Bitfield representing the network's enterprise capability identifier, defined in
    // packages/modules/Connectivity/framework/src/android/net/NetworkCapabilities.java
    optional int32 enterprise_id = 6;
}

/**
 * Pulls a list of NumberOfRematchesPerReason.
 *
 * Pulled from:
 *   packages/modules/Connectivity/service/src/com/android/server/ConnectivityService.java
 */
message NumberOfRematchesPerReason {
    // Number of network rematches for each rematch reason
    repeated NumberOfRematchesForReason number_of_rematches_per_reason= 1;
}

/**
 * Logs number of network rematches for rematch reason
 *
 * Logs from:
 *   packages/modules/Connectivity/service/src/com/android/server/ConnectivityService.java
 */
message NumberOfRematchesForReason {
    // The reason of network rematch
    optional .android.stats.connectivity.RematchReason rematch_reason = 1;

    // Number of network rematches
    optional int32 rematch_count = 2;
};

/**
 * Pulls information for connectivity stats.
 *
 * Pulled from:
 *   packages/modules/Connectivity/service/src/com/android/server/ConnectivityService.java
 */
message ConnectivityStateSample {
    // Number of networks per list of transports
    optional NetworkCountPerTransports network_count_per_transports = 1;

    // This is a list of networks with their transports and the duration
    optional ConnectionDurationPerTransports connection_duration_per_transports = 2;

    // Number of requests per category
    optional NetworkRequestCount network_request_count  = 3;

    // Full list of network details (slice by transport / meteredness / internet+validated)
    optional NetworkList networks = 4;
}


/**
 * Pulls information for network selection rematch info.
 *
 * Pulled from:
 *   packages/modules/Connectivity/service/src/com/android/server/ConnectivityService.java
 */
message NetworkSelectionRematchReasonsInfo {
    // Number of rematch per rematch reason
    optional NumberOfRematchesPerReason number_of_rematches_per_reason = 1;
}

/**
 * Logs rematch information for the default network
 *
 * Logs from:
 *   packages/modules/Connectivity/service/src/com/android/server/ConnectivityService.java
 */
message DefaultNetworkRematchInfo {
    // The session id comes from each reboot, this is used to correlate the statistics of the
    // networkselect on the same boot
    optional int64 session_id = 1;

    // The information of old device default network
    optional NetworkDescription old_network = 2;

    // The information of new device default network
    optional NetworkDescription new_network = 3;

    // The reason of network rematch
    optional .android.stats.connectivity.RematchReason rematch_reason = 4;

    // The time duration the device kept the old network as the default in seconds
    optional int32 time_duration_on_old_network_sec = 5;
}

/**
 * Logs network selection performance
 *
 * Logs from:
 *   packages/modules/Connectivity/service/src/com/android/server/ConnectivityService.java
 */
message NetworkSelectionPerformance {
    // Number of network requests
    optional int32 number_of_network_requests = 1;

    // List of networks right now
    // (slice by transport / meteredness / internet+validated)
    optional NetworkList networks = 2;

    // The latency of selection computed in milli-second
    optional int32 selection_computed_latency_milli = 3;

    // The latency of selection applied in milli-second
    optional int32 selection_applied_latency_milli = 4;

    // The latency of selection issued in milli-second
    optional int32 selection_issued_latency_milli = 5;
}