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
|
/*
* Copyright (C) 2010 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.
*/
#include "config.h"
#include "WebProcess.h"
#include "InjectedBundle.h"
#include "QtBuiltinBundle.h"
#include "QtNetworkAccessManager.h"
#include "SeccompFiltersWebProcessQt.h"
#include "WKBundleAPICast.h"
#include "WebProcessCreationParameters.h"
#include <QCoreApplication>
#include <QNetworkAccessManager>
#include <QNetworkCookieJar>
#include <QNetworkDiskCache>
#include <WebCore/CookieJarQt.h>
#include <WebCore/FileSystem.h>
#include <WebCore/MemoryCache.h>
#include <WebCore/PageCache.h>
#include <WebCore/RuntimeEnabledFeatures.h>
#include <wtf/RAMSize.h>
#if defined(Q_OS_MACX)
#include <dispatch/dispatch.h>
#include <mach/host_info.h>
#include <mach/mach.h>
#include <mach/mach_error.h>
#elif !defined(Q_OS_WIN)
#include <unistd.h>
#endif
using namespace WebCore;
namespace WebKit {
void WebProcess::platformSetCacheModel(CacheModel cacheModel)
{
uint64_t physicalMemorySizeInMegabytes = WTF::ramSize() / 1024 / 1024;
// The Mac port of WebKit2 uses a fudge factor of 1000 here to account for misalignment, however,
// that tends to overestimate the memory quite a bit (1 byte misalignment ~ 48 MiB misestimation).
// We use 1024 * 1023 for now to keep the estimation error down to +/- ~1 MiB.
QNetworkDiskCache* diskCache = qobject_cast<QNetworkDiskCache*>(m_networkAccessManager->cache());
uint64_t freeVolumeSpace = !diskCache ? 0 : WebCore::getVolumeFreeSizeForPath(diskCache->cacheDirectory().toLocal8Bit().constData()) / 1024 / 1023;
// The following variables are initialised to 0 because WebProcess::calculateCacheSizes might not
// set them in some rare cases.
unsigned cacheTotalCapacity = 0;
unsigned cacheMinDeadCapacity = 0;
unsigned cacheMaxDeadCapacity = 0;
double deadDecodedDataDeletionInterval = 0;
unsigned pageCacheCapacity = 0;
unsigned long urlCacheMemoryCapacity = 0;
unsigned long urlCacheDiskCapacity = 0;
calculateCacheSizes(cacheModel, physicalMemorySizeInMegabytes, freeVolumeSpace,
cacheTotalCapacity, cacheMinDeadCapacity, cacheMaxDeadCapacity, deadDecodedDataDeletionInterval,
pageCacheCapacity, urlCacheMemoryCapacity, urlCacheDiskCapacity);
if (diskCache)
diskCache->setMaximumCacheSize(urlCacheDiskCapacity);
memoryCache()->setCapacities(cacheMinDeadCapacity, cacheMaxDeadCapacity, cacheTotalCapacity);
memoryCache()->setDeadDecodedDataDeletionInterval(deadDecodedDataDeletionInterval);
pageCache()->setCapacity(pageCacheCapacity);
// FIXME: Implement hybrid in-memory- and disk-caching as e.g. the Mac port does.
}
void WebProcess::platformClearResourceCaches(ResourceCachesToClear)
{
}
#if defined(Q_OS_MACX)
static void parentProcessDiedCallback(void*)
{
QCoreApplication::quit();
}
#endif
void WebProcess::platformInitializeWebProcess(const WebProcessCreationParameters& parameters, CoreIPC::MessageDecoder&)
{
#if ENABLE(SECCOMP_FILTERS)
{
WebKit::SeccompFiltersWebProcessQt seccompFilters(parameters);
seccompFilters.initialize();
}
#endif
m_networkAccessManager = new QtNetworkAccessManager(this);
if (!parameters.cookieStorageDirectory.isEmpty()) {
WebCore::SharedCookieJarQt* jar = WebCore::SharedCookieJarQt::create(parameters.cookieStorageDirectory);
m_networkAccessManager->setCookieJar(jar);
// Do not let QNetworkAccessManager delete the jar.
jar->setParent(0);
}
if (!parameters.diskCacheDirectory.isEmpty()) {
QNetworkDiskCache* diskCache = new QNetworkDiskCache();
diskCache->setCacheDirectory(parameters.diskCacheDirectory);
// The m_networkAccessManager takes ownership of the diskCache object upon the following call.
m_networkAccessManager->setCache(diskCache);
}
#if defined(Q_OS_MACX)
pid_t ppid = getppid();
dispatch_queue_t queue = dispatch_get_global_queue(DISPATCH_QUEUE_PRIORITY_DEFAULT, 0);
dispatch_source_t source = dispatch_source_create(DISPATCH_SOURCE_TYPE_PROC, ppid, DISPATCH_PROC_EXIT, queue);
if (source) {
dispatch_source_set_event_handler_f(source, parentProcessDiedCallback);
dispatch_resume(source);
}
#endif
WebCore::RuntimeEnabledFeatures::setSpeechInputEnabled(false);
// We'll only install the Qt builtin bundle if we don't have one given by the UI process.
// Currently only WTR provides its own bundle.
if (parameters.injectedBundlePath.isEmpty()) {
m_injectedBundle = InjectedBundle::create(String());
m_injectedBundle->setSandboxExtension(SandboxExtension::create(parameters.injectedBundlePathExtensionHandle));
QtBuiltinBundle::shared().initialize(toAPI(m_injectedBundle.get()));
}
}
void WebProcess::platformTerminate()
{
delete m_networkAccessManager;
m_networkAccessManager = 0;
WebCore::SharedCookieJarQt::shared()->destroy();
}
} // namespace WebKit
|
