NetworkResourceLoaderMac.mm [plain text]
/*
* Copyright (C) 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.
*/
#import "config.h"
#import "NetworkResourceLoader.h"
#if ENABLE(NETWORK_PROCESS)
#import "DiskCacheMonitor.h"
#import "ShareableResource.h"
#import <WebCore/ResourceHandle.h>
#import <WebCore/SharedBuffer.h>
using namespace WebCore;
#ifdef __has_include
#if __has_include(<CFNetwork/CFURLCache.h>)
#include <CFNetwork/CFURLCache.h>
#endif
#if __has_include(<CFNetwork/CFURLCachePriv.h>)
#include <CFNetwork/CFURLCachePriv.h>
#endif
#endif
#if PLATFORM(IOS) || __MAC_OS_X_VERSION_MIN_REQUIRED >= 1090
typedef const struct _CFURLCache* CFURLCacheRef;
typedef const struct _CFCachedURLResponse* CFCachedURLResponseRef;
extern "C" CFURLCacheRef CFURLCacheCopySharedURLCache();
extern "C" CFCachedURLResponseRef CFURLCacheCopyResponseForRequest(CFURLCacheRef, CFURLRequestRef);
extern "C" CFDataRef _CFCachedURLResponseGetMemMappedData(CFCachedURLResponseRef);
extern "C" CFBooleanRef _CFURLCacheIsResponseDataMemMapped(CFURLCacheRef, CFDataRef);
#endif
@interface NSCachedURLResponse (NSCachedURLResponseDetails)
-(CFCachedURLResponseRef)_CFCachedURLResponse;
@end
namespace WebKit {
#if PLATFORM(IOS) || __MAC_OS_X_VERSION_MIN_REQUIRED >= 1090
static void tryGetShareableHandleFromCFData(ShareableResource::Handle& handle, CFDataRef data)
{
if (!data || CFDataGetLength(data) < (CFIndex)NetworkResourceLoader::fileBackedResourceMinimumSize())
return;
RefPtr<SharedMemory> sharedMemory = SharedMemory::createFromVMBuffer((void*)CFDataGetBytePtr(data), CFDataGetLength(data));
if (!sharedMemory) {
LOG_ERROR("Failed to create VM shared memory for cached resource.");
return;
}
size_t size = sharedMemory->size();
RefPtr<ShareableResource> resource = ShareableResource::create(sharedMemory.release(), 0, size);
resource->createHandle(handle);
}
void NetworkResourceLoader::tryGetShareableHandleFromCFURLCachedResponse(ShareableResource::Handle& handle, CFCachedURLResponseRef cachedResponse)
{
CFDataRef data = _CFCachedURLResponseGetMemMappedData(cachedResponse);
tryGetShareableHandleFromCFData(handle, data);
}
void NetworkResourceLoader::tryGetShareableHandleFromSharedBuffer(ShareableResource::Handle& handle, SharedBuffer* buffer)
{
static CFURLCacheRef cache = CFURLCacheCopySharedURLCache();
ASSERT(isMainThread());
ASSERT(cache == adoptCF(CFURLCacheCopySharedURLCache()));
if (!cache)
return;
CFDataRef data = buffer->existingCFData();
if (!data)
return;
if (_CFURLCacheIsResponseDataMemMapped(cache, data) == kCFBooleanFalse)
return;
tryGetShareableHandleFromCFData(handle, data);
}
#endif // __MAC_OS_X_VERSION_MIN_REQUIRED >= 1090
size_t NetworkResourceLoader::fileBackedResourceMinimumSize()
{
return SharedMemory::systemPageSize();
}
#if USE(CFNETWORK)
void NetworkResourceLoader::willCacheResponseAsync(ResourceHandle* handle, CFCachedURLResponseRef cfResponse)
{
ASSERT_UNUSED(handle, handle == m_handle);
if (m_bytesReceived >= fileBackedResourceMinimumSize())
DiskCacheMonitor::monitorFileBackingStoreCreation(cfResponse, this);
m_handle->continueWillCacheResponse(cfResponse);
}
#else
void NetworkResourceLoader::willCacheResponseAsync(ResourceHandle* handle, NSCachedURLResponse *nsResponse)
{
ASSERT_UNUSED(handle, handle == m_handle);
#if __MAC_OS_X_VERSION_MIN_REQUIRED >= 1090
if (m_bytesReceived >= fileBackedResourceMinimumSize())
DiskCacheMonitor::monitorFileBackingStoreCreation([nsResponse _CFCachedURLResponse], this);
#endif
m_handle->continueWillCacheResponse(nsResponse);
}
#endif // !USE(CFNETWORK)
} // namespace WebKit
#endif // ENABLE(NETWORK_PROCESS)