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
|
/*
* Copyright (C) 2017 Apple Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
* THE POSSIBILITY OF SUCH DAMAGE.
*/
#pragma once
#include <wtf/Forward.h>
#include <wtf/MonotonicTime.h>
#include <wtf/RunLoop.h>
#include <wtf/WallTime.h>
#include <wtf/text/WTFString.h>
namespace WebCore {
class FileMonitor;
}
namespace WebKit {
class WebResourceLoadStatisticsStore;
class ResourceLoadStatisticsPersistentStorage {
public:
ResourceLoadStatisticsPersistentStorage(WebResourceLoadStatisticsStore&, const String& storageDirectoryPath);
~ResourceLoadStatisticsPersistentStorage();
void initialize();
void clear();
void finishAllPendingWorkSynchronously();
void ref();
void deref();
enum class ForceImmediateWrite {
No,
Yes,
};
void scheduleOrWriteMemoryStore(ForceImmediateWrite);
private:
String storageDirectoryPath() const;
String resourceLogFilePath() const;
void startMonitoringDisk();
void stopMonitoringDisk();
void monitorDirectoryForNewStatistics();
void writeMemoryStoreToDisk();
void populateMemoryStoreFromDisk();
void excludeFromBackup() const;
void refreshMemoryStoreFromDisk();
void asyncWriteTimerFired();
WebResourceLoadStatisticsStore& m_memoryStore;
const String m_storageDirectoryPath;
RunLoop::Timer<ResourceLoadStatisticsPersistentStorage> m_asyncWriteTimer;
std::unique_ptr<WebCore::FileMonitor> m_fileMonitor;
WallTime m_lastStatisticsFileSyncTime;
MonotonicTime m_lastStatisticsWriteTime;
bool m_hasPendingWrite { false };
};
}
|
