1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
|
// Copyright 2013 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef WEBKIT_BROWSER_FILEAPI_SYNCABLE_CANNED_SYNCABLE_FILE_SYSTEM_H_
#define WEBKIT_BROWSER_FILEAPI_SYNCABLE_CANNED_SYNCABLE_FILE_SYSTEM_H_
#include <string>
#include <vector>
#include "base/callback_forward.h"
#include "base/files/scoped_temp_dir.h"
#include "base/message_loop/message_loop.h"
#include "base/observer_list_threadsafe.h"
#include "base/platform_file.h"
#include "webkit/browser/fileapi/file_system_operation.h"
#include "webkit/browser/fileapi/file_system_url.h"
#include "webkit/browser/fileapi/syncable/local_file_sync_status.h"
#include "webkit/browser/fileapi/syncable/sync_status_code.h"
#include "webkit/browser/quota/quota_callbacks.h"
#include "webkit/common/fileapi/file_system_types.h"
#include "webkit/common/fileapi/file_system_util.h"
#include "webkit/common/quota/quota_types.h"
namespace base {
class MessageLoopProxy;
class SingleThreadTaskRunner;
class Thread;
}
namespace fileapi {
class FileSystemContext;
class FileSystemOperationRunner;
class FileSystemURL;
}
namespace net {
class URLRequestContext;
}
namespace quota {
class QuotaManager;
}
namespace sync_file_system {
class LocalFileSyncContext;
// A canned syncable filesystem for testing.
// This internally creates its own QuotaManager and FileSystemContext
// (as we do so for each isolated application).
class CannedSyncableFileSystem
: public LocalFileSyncStatus::Observer {
public:
typedef base::Callback<void(base::PlatformFileError)> StatusCallback;
typedef base::Callback<void(int64)> WriteCallback;
typedef fileapi::FileSystemOperation::FileEntryList FileEntryList;
CannedSyncableFileSystem(const GURL& origin,
base::SingleThreadTaskRunner* io_task_runner,
base::SingleThreadTaskRunner* file_task_runner);
virtual ~CannedSyncableFileSystem();
// SetUp must be called before using this instance.
void SetUp();
// TearDown must be called before destructing this instance.
void TearDown();
// Creates a FileSystemURL for the given (utf8) path string.
fileapi::FileSystemURL URL(const std::string& path) const;
// Initialize this with given |sync_context| if it hasn't
// been initialized.
sync_file_system::SyncStatusCode MaybeInitializeFileSystemContext(
LocalFileSyncContext* sync_context);
// Opens a new syncable file system.
base::PlatformFileError OpenFileSystem();
// Register sync status observers. Unlike original
// LocalFileSyncStatus::Observer implementation the observer methods
// are called on the same thread where AddSyncStatusObserver were called.
void AddSyncStatusObserver(LocalFileSyncStatus::Observer* observer);
void RemoveSyncStatusObserver(LocalFileSyncStatus::Observer* observer);
// Accessors.
fileapi::FileSystemContext* file_system_context() {
return file_system_context_.get();
}
quota::QuotaManager* quota_manager() { return quota_manager_.get(); }
GURL origin() const { return origin_; }
fileapi::FileSystemType type() const { return type_; }
quota::StorageType storage_type() const {
return FileSystemTypeToQuotaStorageType(type_);
}
// Helper routines to perform file system operations.
// OpenFileSystem() must have been called before calling any of them.
// They create an operation and run it on IO task runner, and the operation
// posts a task on file runner.
base::PlatformFileError CreateDirectory(const fileapi::FileSystemURL& url);
base::PlatformFileError CreateFile(const fileapi::FileSystemURL& url);
base::PlatformFileError Copy(const fileapi::FileSystemURL& src_url,
const fileapi::FileSystemURL& dest_url);
base::PlatformFileError Move(const fileapi::FileSystemURL& src_url,
const fileapi::FileSystemURL& dest_url);
base::PlatformFileError TruncateFile(const fileapi::FileSystemURL& url,
int64 size);
base::PlatformFileError TouchFile(const fileapi::FileSystemURL& url,
const base::Time& last_access_time,
const base::Time& last_modified_time);
base::PlatformFileError Remove(const fileapi::FileSystemURL& url,
bool recursive);
base::PlatformFileError FileExists(const fileapi::FileSystemURL& url);
base::PlatformFileError DirectoryExists(const fileapi::FileSystemURL& url);
base::PlatformFileError VerifyFile(const fileapi::FileSystemURL& url,
const std::string& expected_data);
base::PlatformFileError GetMetadataAndPlatformPath(
const fileapi::FileSystemURL& url,
base::PlatformFileInfo* info,
base::FilePath* platform_path);
base::PlatformFileError ReadDirectory(const fileapi::FileSystemURL& url,
FileEntryList* entries);
// Returns the # of bytes written (>=0) or an error code (<0).
int64 Write(net::URLRequestContext* url_request_context,
const fileapi::FileSystemURL& url, const GURL& blob_url);
int64 WriteString(const fileapi::FileSystemURL& url, const std::string& data);
// Purges the file system local storage.
base::PlatformFileError DeleteFileSystem();
// Retrieves the quota and usage.
quota::QuotaStatusCode GetUsageAndQuota(int64* usage, int64* quota);
// ChangeTracker related methods. They run on file task runner.
void GetChangedURLsInTracker(fileapi::FileSystemURLSet* urls);
void ClearChangeForURLInTracker(const fileapi::FileSystemURL& url);
fileapi::FileSystemOperationRunner* operation_runner();
// LocalFileSyncStatus::Observer overrides.
virtual void OnSyncEnabled(const fileapi::FileSystemURL& url) OVERRIDE;
virtual void OnWriteEnabled(const fileapi::FileSystemURL& url) OVERRIDE;
// Operation methods body.
// They can be also called directly if the caller is already on IO thread.
void DoCreateDirectory(const fileapi::FileSystemURL& url,
const StatusCallback& callback);
void DoCreateFile(const fileapi::FileSystemURL& url,
const StatusCallback& callback);
void DoCopy(const fileapi::FileSystemURL& src_url,
const fileapi::FileSystemURL& dest_url,
const StatusCallback& callback);
void DoMove(const fileapi::FileSystemURL& src_url,
const fileapi::FileSystemURL& dest_url,
const StatusCallback& callback);
void DoTruncateFile(const fileapi::FileSystemURL& url,
int64 size,
const StatusCallback& callback);
void DoTouchFile(const fileapi::FileSystemURL& url,
const base::Time& last_access_time,
const base::Time& last_modified_time,
const StatusCallback& callback);
void DoRemove(const fileapi::FileSystemURL& url,
bool recursive,
const StatusCallback& callback);
void DoFileExists(const fileapi::FileSystemURL& url,
const StatusCallback& callback);
void DoDirectoryExists(const fileapi::FileSystemURL& url,
const StatusCallback& callback);
void DoVerifyFile(const fileapi::FileSystemURL& url,
const std::string& expected_data,
const StatusCallback& callback);
void DoGetMetadataAndPlatformPath(const fileapi::FileSystemURL& url,
base::PlatformFileInfo* info,
base::FilePath* platform_path,
const StatusCallback& callback);
void DoReadDirectory(const fileapi::FileSystemURL& url,
FileEntryList* entries,
const StatusCallback& callback);
void DoWrite(net::URLRequestContext* url_request_context,
const fileapi::FileSystemURL& url,
const GURL& blob_url,
const WriteCallback& callback);
void DoWriteString(const fileapi::FileSystemURL& url,
const std::string& data,
const WriteCallback& callback);
void DoGetUsageAndQuota(int64* usage,
int64* quota,
const quota::StatusCallback& callback);
private:
typedef ObserverListThreadSafe<LocalFileSyncStatus::Observer> ObserverList;
// Callbacks.
void DidOpenFileSystem(base::PlatformFileError result,
const std::string& name,
const GURL& root);
void DidInitializeFileSystemContext(sync_file_system::SyncStatusCode status);
void InitializeSyncStatusObserver();
base::ScopedTempDir data_dir_;
const std::string service_name_;
scoped_refptr<quota::QuotaManager> quota_manager_;
scoped_refptr<fileapi::FileSystemContext> file_system_context_;
const GURL origin_;
const fileapi::FileSystemType type_;
GURL root_url_;
base::PlatformFileError result_;
sync_file_system::SyncStatusCode sync_status_;
scoped_refptr<base::SingleThreadTaskRunner> io_task_runner_;
scoped_refptr<base::SingleThreadTaskRunner> file_task_runner_;
// Boolean flags mainly for helping debug.
bool is_filesystem_set_up_;
bool is_filesystem_opened_;
scoped_refptr<ObserverList> sync_status_observers_;
DISALLOW_COPY_AND_ASSIGN(CannedSyncableFileSystem);
};
} // namespace sync_file_system
#endif // WEBKIT_BROWSER_FILEAPI_SYNCABLE_CANNED_SYNCABLE_FILE_SYSTEM_H_
|
