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/*
* Copyright (C) 2010, 2013 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 "SeccompFiltersWebProcessQt.h"
#include "WKBundleAPICast.h"
#include "WebProcessCreationParameters.h"
#include <QCoreApplication>
#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;
// QTFIXME: leftover of old process model
#if 0
// 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;
#endif
uint64_t freeVolumeSpace = 0;
// 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;
auto deadDecodedDataDeletionInterval = std::chrono::seconds { 0 };
unsigned pageCacheCapacity = 0;
unsigned long urlCacheMemoryCapacity = 0;
unsigned long urlCacheDiskCapacity = 0;
calculateCacheSizes(cacheModel, physicalMemorySizeInMegabytes, freeVolumeSpace,
cacheTotalCapacity, cacheMinDeadCapacity, cacheMaxDeadCapacity, deadDecodedDataDeletionInterval,
pageCacheCapacity, urlCacheMemoryCapacity, urlCacheDiskCapacity);
// QTFIXME: leftover of old process model
#if 0
if (diskCache)
diskCache->setMaximumCacheSize(urlCacheDiskCapacity);
#endif
auto& memoryCache = MemoryCache::singleton();
memoryCache.setCapacities(cacheMinDeadCapacity, cacheMaxDeadCapacity, cacheTotalCapacity);
memoryCache.setDeadDecodedDataDeletionInterval(deadDecodedDataDeletionInterval);
PageCache::singleton().setMaxSize(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(WebProcessCreationParameters&& parameters)
{
#if ENABLE(SECCOMP_FILTERS)
{
WebKit::SeccompFiltersWebProcessQt seccompFilters(parameters);
seccompFilters.initialize();
}
#endif
// QTFIXME: leftover of old process model
#if 0
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);
}
#endif
#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
// 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(parameters, transformHandlesToObjects(parameters.initializationUserData.object()).get());
QtBuiltinBundle::shared().initialize(toAPI(m_injectedBundle.get()));
}
}
void WebProcess::platformTerminate()
{
// QTFIXME: leftover of old process model
#if 0
delete m_networkAccessManager;
m_networkAccessManager = 0;
WebCore::SharedCookieJarQt::shared()->destroy();
#endif
}
} // namespace WebKit
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