core/proto/android/service/diskstats.proto

/*
 * 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 android.service.diskstats;

option java_multiple_files = true;
option java_outer_classname = "DiskStatsServiceProto";

message DiskStatsServiceDumpProto {
    enum EncryptionType {
        // Unknown encryption type
        ENCRYPTION_UNKNOWN = 0;
        // No encryption
        ENCRYPTION_NONE = 1;
        // Full disk encryption
        ENCRYPTION_FULL_DISK = 2;
        // File-based encryption
        ENCRYPTION_FILE_BASED = 3;
    }
    // Whether the latency test resulted in an error
    optional bool has_test_error = 1;
    // If the test errored, error message is contained here
    optional string error_message = 2;
    // 512B write latency in milliseconds, if the test was successful
    optional int32 write_512b_latency_millis = 3;
    // Free Space in the major partitions
    repeated DiskStatsFreeSpaceProto partitions_free_space = 4;
    // Is the device using file-based encryption, full disk encryption or other
    optional EncryptionType encryption = 5;
    // Cached values of folder sizes, etc.
    optional DiskStatsCachedValuesProto cached_folder_sizes = 6;
}

message DiskStatsCachedValuesProto {
    // Total app code size, in kilobytes
    optional int64 agg_apps_size = 1;
    // Total app cache size, in kilobytes
    optional int64 agg_apps_cache_size = 2;
    // Size of image files, in kilobytes
    optional int64 photos_size = 3;
    // Size of video files, in kilobytes
    optional int64 videos_size = 4;
    // Size of audio files, in kilobytes
    optional int64 audio_size = 5;
    // Size of downloads, in kilobytes
    optional int64 downloads_size = 6;
    // Size of system directory, in kilobytes
    optional int64 system_size = 7;
    // Size of other files, in kilobytes
    optional int64 other_size = 8;
    // Sizes of individual packages
    repeated DiskStatsAppSizesProto app_sizes = 9;
    // Total app data size, in kilobytes
    optional int64 agg_apps_data_size = 10;
}

message DiskStatsAppSizesProto {
    // Name of the package
    optional string package_name = 1;
    // App's code size in kilobytes
    optional int64 app_size = 2;
    // App's cache size in kilobytes
    optional int64 cache_size = 3;
    // App's data size in kilobytes
    optional int64 app_data_size = 4;
}

message DiskStatsFreeSpaceProto {
    enum Folder {
        // Data folder
        FOLDER_DATA = 0;
        // Cache folder
        FOLDER_CACHE = 1;
        // System folder
        FOLDER_SYSTEM = 2;
    }
    // Which folder?
    optional Folder folder = 1;
    // Available space, in kilobytes
    optional int64 available_space = 2;
    // Total space, in kilobytes
    optional int64 total_space = 3;
}