blob: 1b28e4f01a5bef7c4af65019f2b01ac8a557d173 [file] [log] [blame]
/*
* Copyright (C) 2009, 2010 Google 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:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * 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.
* * Neither the name of Google Inc. nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND 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 THE COPYRIGHT
* OWNER OR 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 "core/loader/WorkerThreadableLoader.h"
#include "core/dom/CrossThreadTask.h"
#include "core/dom/Document.h"
#include "core/loader/DocumentThreadableLoader.h"
#include "core/loader/WorkerLoaderClientBridgeSyncHelper.h"
#include "core/timing/WorkerGlobalScopePerformance.h"
#include "core/workers/WorkerGlobalScope.h"
#include "core/workers/WorkerLoaderProxy.h"
#include "core/workers/WorkerThread.h"
#include "platform/heap/SafePoint.h"
#include "platform/network/ResourceError.h"
#include "platform/network/ResourceRequest.h"
#include "platform/network/ResourceResponse.h"
#include "platform/weborigin/SecurityPolicy.h"
#include "public/platform/Platform.h"
#include "public/platform/WebWaitableEvent.h"
#include "wtf/MainThread.h"
#include "wtf/OwnPtr.h"
#include "wtf/Vector.h"
namespace blink {
WorkerThreadableLoader::WorkerThreadableLoader(WorkerGlobalScope& workerGlobalScope, PassRefPtr<ThreadableLoaderClientWrapper> clientWrapper, PassOwnPtr<ThreadableLoaderClient> clientBridge, const ResourceRequest& request, const ThreadableLoaderOptions& options, const ResourceLoaderOptions& resourceLoaderOptions)
: m_workerGlobalScope(&workerGlobalScope)
, m_workerClientWrapper(clientWrapper)
, m_bridge(*(new MainThreadBridge(m_workerClientWrapper, clientBridge, workerGlobalScope.thread()->workerLoaderProxy(), request, options, resourceLoaderOptions, workerGlobalScope.referrerPolicy(), workerGlobalScope.url().strippedForUseAsReferrer())))
{
m_workerClientWrapper->setResourceTimingClient(this);
}
WorkerThreadableLoader::~WorkerThreadableLoader()
{
m_workerClientWrapper->clearResourceTimingClient();
m_bridge.destroy();
}
void WorkerThreadableLoader::loadResourceSynchronously(WorkerGlobalScope& workerGlobalScope, const ResourceRequest& request, ThreadableLoaderClient& client, const ThreadableLoaderOptions& options, const ResourceLoaderOptions& resourceLoaderOptions)
{
WebWaitableEvent* shutdownEvent =
workerGlobalScope.thread()->shutdownEvent();
OwnPtr<WebWaitableEvent> loaderDone =
adoptPtr(Platform::current()->createWaitableEvent());
Vector<WebWaitableEvent*> events;
events.append(shutdownEvent);
events.append(loaderDone.get());
RefPtr<ThreadableLoaderClientWrapper> clientWrapper(ThreadableLoaderClientWrapper::create(&client));
OwnPtr<WorkerLoaderClientBridgeSyncHelper> clientBridge(WorkerLoaderClientBridgeSyncHelper::create(clientWrapper.get(), loaderDone.release()));
// This must be valid while loader is around.
WorkerLoaderClientBridgeSyncHelper* clientBridgePtr = clientBridge.get();
RefPtr<WorkerThreadableLoader> loader = WorkerThreadableLoader::create(workerGlobalScope, clientWrapper, clientBridge.release(), request, options, resourceLoaderOptions);
WebWaitableEvent* signalled;
{
SafePointScope scope(BlinkGC::HeapPointersOnStack);
signalled = Platform::current()->waitMultipleEvents(events);
}
if (signalled == shutdownEvent) {
loader->cancel();
return;
}
clientBridgePtr->run();
}
void WorkerThreadableLoader::overrideTimeout(unsigned long timeoutMilliseconds)
{
m_bridge.overrideTimeout(timeoutMilliseconds);
}
void WorkerThreadableLoader::cancel()
{
m_bridge.cancel();
}
void WorkerThreadableLoader::didReceiveResourceTiming(const ResourceTimingInfo& info)
{
WorkerGlobalScopePerformance::performance(*m_workerGlobalScope)->addResourceTiming(info);
}
WorkerThreadableLoader::MainThreadBridge::MainThreadBridge(
PassRefPtr<ThreadableLoaderClientWrapper> workerClientWrapper,
PassOwnPtr<ThreadableLoaderClient> clientBridge,
PassRefPtr<WorkerLoaderProxy> loaderProxy,
const ResourceRequest& request,
const ThreadableLoaderOptions& options,
const ResourceLoaderOptions& resourceLoaderOptions,
const ReferrerPolicy referrerPolicy,
const String& outgoingReferrer)
: m_clientBridge(clientBridge)
, m_workerClientWrapper(workerClientWrapper)
, m_loaderProxy(loaderProxy)
{
ASSERT(m_workerClientWrapper.get());
ASSERT(m_clientBridge.get());
m_loaderProxy->postTaskToLoader(
createCrossThreadTask(&MainThreadBridge::mainThreadCreateLoader, this, request, options, resourceLoaderOptions, referrerPolicy, outgoingReferrer));
}
WorkerThreadableLoader::MainThreadBridge::~MainThreadBridge()
{
}
void WorkerThreadableLoader::MainThreadBridge::mainThreadCreateLoader(PassOwnPtr<CrossThreadResourceRequestData> requestData, ThreadableLoaderOptions options, ResourceLoaderOptions resourceLoaderOptions, const ReferrerPolicy referrerPolicy, const String& outgoingReferrer, ExecutionContext* context)
{
ASSERT(isMainThread());
Document* document = toDocument(context);
OwnPtr<ResourceRequest> request(ResourceRequest::adopt(requestData));
if (!request->didSetHTTPReferrer())
request->setHTTPReferrer(SecurityPolicy::generateReferrer(referrerPolicy, request->url(), outgoingReferrer));
resourceLoaderOptions.requestInitiatorContext = WorkerContext;
m_mainThreadLoader = DocumentThreadableLoader::create(*document, this, *request, options, resourceLoaderOptions);
if (!m_mainThreadLoader) {
// DocumentThreadableLoader::create may return 0 when the document loader has been already changed.
didFail(ResourceError(errorDomainBlinkInternal, 0, request->url().string(), "Can't create DocumentThreadableLoader"));
}
}
void WorkerThreadableLoader::MainThreadBridge::mainThreadDestroy(ExecutionContext* context)
{
ASSERT(isMainThread());
ASSERT_UNUSED(context, context->isDocument());
delete this;
}
void WorkerThreadableLoader::MainThreadBridge::destroy()
{
// Ensure that no more client callbacks are done in the worker context's thread.
clearClientWrapper();
// "delete this" and m_mainThreadLoader::deref() on the worker object's thread.
m_loaderProxy->postTaskToLoader(
createCrossThreadTask(&MainThreadBridge::mainThreadDestroy, this));
}
void WorkerThreadableLoader::MainThreadBridge::mainThreadOverrideTimeout(unsigned long timeoutMilliseconds, ExecutionContext* context)
{
ASSERT(isMainThread());
ASSERT_UNUSED(context, context->isDocument());
if (!m_mainThreadLoader)
return;
m_mainThreadLoader->overrideTimeout(timeoutMilliseconds);
}
void WorkerThreadableLoader::MainThreadBridge::overrideTimeout(unsigned long timeoutMilliseconds)
{
m_loaderProxy->postTaskToLoader(
createCrossThreadTask(&MainThreadBridge::mainThreadOverrideTimeout, this,
timeoutMilliseconds));
}
void WorkerThreadableLoader::MainThreadBridge::mainThreadCancel(ExecutionContext* context)
{
ASSERT(isMainThread());
ASSERT_UNUSED(context, context->isDocument());
if (!m_mainThreadLoader)
return;
m_mainThreadLoader->cancel();
m_mainThreadLoader = nullptr;
}
void WorkerThreadableLoader::MainThreadBridge::cancel()
{
m_loaderProxy->postTaskToLoader(
createCrossThreadTask(&MainThreadBridge::mainThreadCancel, this));
RefPtr<ThreadableLoaderClientWrapper> clientWrapper = m_workerClientWrapper;
if (!clientWrapper->done()) {
// If the client hasn't reached a termination state, then transition it by sending a cancellation error.
// Note: no more client callbacks will be done after this method -- the clearClientWrapper() call ensures that.
ResourceError error(String(), 0, String(), String());
error.setIsCancellation(true);
clientWrapper->didFail(error);
}
// |this| might be already destructed here because didFail() might
// clear a reference to ThreadableLoader, which might destruct
// WorkerThreadableLoader and then MainThreadBridge.
// Therefore we call clearClient() directly, rather than calling
// this->clearClientWrapper().
clientWrapper->clearClient();
}
void WorkerThreadableLoader::MainThreadBridge::clearClientWrapper()
{
m_workerClientWrapper->clearClient();
}
void WorkerThreadableLoader::MainThreadBridge::didSendData(unsigned long long bytesSent, unsigned long long totalBytesToBeSent)
{
m_clientBridge->didSendData(bytesSent, totalBytesToBeSent);
}
void WorkerThreadableLoader::MainThreadBridge::didReceiveResponse(unsigned long identifier, const ResourceResponse& response, PassOwnPtr<WebDataConsumerHandle> handle)
{
m_clientBridge->didReceiveResponse(identifier, response, handle);
}
void WorkerThreadableLoader::MainThreadBridge::didReceiveData(const char* data, unsigned dataLength)
{
m_clientBridge->didReceiveData(data, dataLength);
}
void WorkerThreadableLoader::MainThreadBridge::didDownloadData(int dataLength)
{
m_clientBridge->didDownloadData(dataLength);
}
void WorkerThreadableLoader::MainThreadBridge::didReceiveCachedMetadata(const char* data, int dataLength)
{
m_clientBridge->didReceiveCachedMetadata(data, dataLength);
}
void WorkerThreadableLoader::MainThreadBridge::didFinishLoading(unsigned long identifier, double finishTime)
{
m_clientBridge->didFinishLoading(identifier, finishTime);
}
void WorkerThreadableLoader::MainThreadBridge::didFail(const ResourceError& error)
{
m_clientBridge->didFail(error);
}
void WorkerThreadableLoader::MainThreadBridge::didFailAccessControlCheck(const ResourceError& error)
{
m_clientBridge->didFailAccessControlCheck(error);
}
void WorkerThreadableLoader::MainThreadBridge::didFailRedirectCheck()
{
m_clientBridge->didFailRedirectCheck();
}
void WorkerThreadableLoader::MainThreadBridge::didReceiveResourceTiming(const ResourceTimingInfo& info)
{
m_clientBridge->didReceiveResourceTiming(info);
}
} // namespace blink