| /* |
| * 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 "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); |
| |
| ResourceRequest request(requestData.get()); |
| 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 |