metadata_database.proto revision eb525c5499e34cc9c4b825d6d9e75bb07cc06ace 
1// Copyright 2013 The Chromium Authors. All rights reserved.
2// Use of this source code is governed by a BSD-style license that can be
3// found in the LICENSE file.
4//
5// Protocol buffer definitions for Drive backend of Syncable FileSystem.
6
7syntax = "proto2";
8
9option optimize_for = LITE_RUNTIME;
10
11package sync_file_system.drive_backend;
12
13enum FileKind {
14  KIND_UNSUPPORTED = 0;
15  KIND_FILE = 1;
16  KIND_FOLDER = 2;
17}
18
19message ServiceMetadata {
20  optional int64 largest_change_id = 1 [default = 0];
21  optional string sync_root_folder_id = 2;
22}
23
24message DriveFileMetadata {
25  // File ID of the remote file/folder which the DriveFileMetadata tracks.
26  required string file_id = 1;
27  required string parent_folder_id = 2;
28
29  optional string app_id = 3;
30  optional bool is_app_root = 4;
31
32  // Holds details of file/folder metadata.
33  message Details {
34    repeated string parent_folder_id = 1;
35    optional string title = 2;
36    optional FileKind kind = 3;
37    optional string md5 = 4;
38    optional string etag = 5;
39
40    // Creation time and modification time of the resource.
41    // Serialized by Time::ToInternalValue.
42    optional int64 creation_time = 6;
43    optional int64 modification_time = 7;
44
45    optional bool deleted = 8;
46    optional int64 change_id = 9;
47  }
48
49  // |synced_details| holds the file details snapshot when the file was
50  // fetched through remote-to-local update.
51  // This should contain same value as remote_details if |dirty| is false.
52  optional Details synced_details = 5;
53
54  // |remote_details| holds the latest file details that may not yet be
55  // applied to local metadata.
56  // This should be updated by each listed ChangeResource.
57  optional Details remote_details = 6;
58
59  // True if the file is changed since the last update for this file.
60  optional bool dirty = 7;
61
62  // True if the DriveFileMetadata is active.
63  // Remote file content update should only be applied for active
64  // DriveFileMetadata.
65  // Active DriveFileMetadata must have a unique title under its parent.
66  optional bool active = 8;
67
68  // Valid only for folders.
69  // True indicates the folder contents has not yet been fetched.
70  optional bool needs_folder_listing = 9;
71}
72