/*
 * 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.hotword;

import "frameworks/proto_logging/stats/atoms.proto";
import "frameworks/proto_logging/stats/atom_field_options.proto";
import "frameworks/proto_logging/stats/enums/hotword/enums.proto";

option java_package = "com.android.os.hotword";
option java_multiple_files = true;

extend Atom {
  optional HotwordEventEgressSize hotword_egress_size_atom_reported = 761 [(module) = "framework"];
}

/**
 * Logs data size for events egressed from hotword detection service to default assistant.
 */
message HotwordEventEgressSize {
  // Type of event being egressed.
  enum HotwordEventType {
    // Represents an unspecified event.
    HOTWORD_EVENT_UNSPECIFIED = 0;

    // Represents a hotword detection event.
    HOTWORD_DETECTION = 1;

    // Represents a hotword rejection event.
    HOTWORD_REJECTION = 2;

    // Represents a hotword training data event.
    HOTWORD_TRAINING_DATA = 3;
  }

  // Event that was egressed.
  optional HotwordEventType event_type = 1;

  // Size of the event that was egressed in bytes.
  optional int64 event_size_bytes = 2;

  // The type of detector.
  optional android.hotword.HotwordDetectorType detector_type = 3;

  // The UID for which the assistant application is active.
  optional int32 uid = 4 [(is_uid) = true];
}