|  | // Copyright 2014 The Chromium Authors. All rights reserved. | 
|  | // Use of this source code is governed by a BSD-style license that can be | 
|  | // found in the LICENSE file. | 
|  |  | 
|  | #include "content/renderer/cache_storage/cache_storage_dispatcher.h" | 
|  |  | 
|  | #include <map> | 
|  | #include <string> | 
|  | #include <utility> | 
|  |  | 
|  | #include "base/lazy_instance.h" | 
|  | #include "base/logging.h" | 
|  | #include "base/metrics/histogram_macros.h" | 
|  | #include "base/strings/utf_string_conversions.h" | 
|  | #include "base/threading/thread_local.h" | 
|  | #include "content/child/thread_safe_sender.h" | 
|  | #include "content/common/cache_storage/cache_storage_messages.h" | 
|  | #include "content/public/common/referrer.h" | 
|  | #include "content/public/renderer/render_thread.h" | 
|  | #include "content/renderer/service_worker/service_worker_type_util.h" | 
|  | #include "third_party/WebKit/public/platform/modules/serviceworker/WebServiceWorkerCache.h" | 
|  | #include "third_party/WebKit/public/platform/modules/serviceworker/WebServiceWorkerRequest.h" | 
|  | #include "third_party/WebKit/public/platform/modules/serviceworker/WebServiceWorkerResponse.h" | 
|  |  | 
|  | using base::TimeTicks; | 
|  |  | 
|  | namespace content { | 
|  |  | 
|  | using blink::WebServiceWorkerCacheStorage; | 
|  | using blink::WebServiceWorkerCacheError; | 
|  | using blink::WebServiceWorkerRequest; | 
|  |  | 
|  | static base::LazyInstance<base::ThreadLocalPointer<CacheStorageDispatcher>>:: | 
|  | Leaky g_cache_storage_dispatcher_tls = LAZY_INSTANCE_INITIALIZER; | 
|  |  | 
|  | namespace { | 
|  |  | 
|  | CacheStorageDispatcher* const kHasBeenDeleted = | 
|  | reinterpret_cast<CacheStorageDispatcher*>(0x1); | 
|  |  | 
|  | ServiceWorkerFetchRequest FetchRequestFromWebRequest( | 
|  | const blink::WebServiceWorkerRequest& web_request) { | 
|  | ServiceWorkerHeaderMap headers; | 
|  | GetServiceWorkerHeaderMapFromWebRequest(web_request, &headers); | 
|  |  | 
|  | return ServiceWorkerFetchRequest( | 
|  | web_request.url(), | 
|  | base::UTF16ToASCII(base::StringPiece16(web_request.method())), headers, | 
|  | Referrer(web_request.referrerUrl(), web_request.referrerPolicy()), | 
|  | web_request.isReload()); | 
|  | } | 
|  |  | 
|  | void PopulateWebRequestFromFetchRequest( | 
|  | const ServiceWorkerFetchRequest& request, | 
|  | blink::WebServiceWorkerRequest* web_request) { | 
|  | web_request->setURL(request.url); | 
|  | web_request->setMethod(base::ASCIIToUTF16(request.method)); | 
|  | for (ServiceWorkerHeaderMap::const_iterator i = request.headers.begin(), | 
|  | end = request.headers.end(); | 
|  | i != end; ++i) { | 
|  | web_request->setHeader(base::ASCIIToUTF16(i->first), | 
|  | base::ASCIIToUTF16(i->second)); | 
|  | } | 
|  | web_request->setReferrer(base::ASCIIToUTF16(request.referrer.url.spec()), | 
|  | request.referrer.policy); | 
|  | web_request->setIsReload(request.is_reload); | 
|  | } | 
|  |  | 
|  | blink::WebVector<blink::WebServiceWorkerRequest> WebRequestsFromRequests( | 
|  | const std::vector<ServiceWorkerFetchRequest>& requests) { | 
|  | blink::WebVector<blink::WebServiceWorkerRequest> web_requests( | 
|  | requests.size()); | 
|  | for (size_t i = 0; i < requests.size(); ++i) | 
|  | PopulateWebRequestFromFetchRequest(requests[i], &(web_requests[i])); | 
|  | return web_requests; | 
|  | } | 
|  |  | 
|  | ServiceWorkerResponse ResponseFromWebResponse( | 
|  | const blink::WebServiceWorkerResponse& web_response) { | 
|  | ServiceWorkerHeaderMap headers; | 
|  | GetServiceWorkerHeaderMapFromWebResponse(web_response, &headers); | 
|  | // We don't support streaming for cache. | 
|  | DCHECK(web_response.streamURL().isEmpty()); | 
|  | return ServiceWorkerResponse( | 
|  | web_response.url(), web_response.status(), | 
|  | base::UTF16ToASCII(base::StringPiece16(web_response.statusText())), | 
|  | web_response.responseType(), headers, | 
|  | base::UTF16ToASCII(base::StringPiece16(web_response.blobUUID())), | 
|  | web_response.blobSize(), web_response.streamURL(), | 
|  | blink::WebServiceWorkerResponseErrorUnknown); | 
|  | } | 
|  |  | 
|  | CacheStorageCacheQueryParams QueryParamsFromWebQueryParams( | 
|  | const blink::WebServiceWorkerCache::QueryParams& web_query_params) { | 
|  | CacheStorageCacheQueryParams query_params; | 
|  | query_params.ignore_search = web_query_params.ignoreSearch; | 
|  | query_params.ignore_method = web_query_params.ignoreMethod; | 
|  | query_params.ignore_vary = web_query_params.ignoreVary; | 
|  | query_params.cache_name = web_query_params.cacheName; | 
|  | return query_params; | 
|  | } | 
|  |  | 
|  | CacheStorageCacheOperationType CacheOperationTypeFromWebCacheOperationType( | 
|  | blink::WebServiceWorkerCache::OperationType operation_type) { | 
|  | switch (operation_type) { | 
|  | case blink::WebServiceWorkerCache::OperationTypePut: | 
|  | return CACHE_STORAGE_CACHE_OPERATION_TYPE_PUT; | 
|  | case blink::WebServiceWorkerCache::OperationTypeDelete: | 
|  | return CACHE_STORAGE_CACHE_OPERATION_TYPE_DELETE; | 
|  | default: | 
|  | return CACHE_STORAGE_CACHE_OPERATION_TYPE_UNDEFINED; | 
|  | } | 
|  | } | 
|  |  | 
|  | CacheStorageBatchOperation BatchOperationFromWebBatchOperation( | 
|  | const blink::WebServiceWorkerCache::BatchOperation& web_operation) { | 
|  | CacheStorageBatchOperation operation; | 
|  | operation.operation_type = | 
|  | CacheOperationTypeFromWebCacheOperationType(web_operation.operationType); | 
|  | operation.request = FetchRequestFromWebRequest(web_operation.request); | 
|  | operation.response = ResponseFromWebResponse(web_operation.response); | 
|  | operation.match_params = | 
|  | QueryParamsFromWebQueryParams(web_operation.matchParams); | 
|  | return operation; | 
|  | } | 
|  |  | 
|  | template <typename T> | 
|  | void ClearCallbacksMapWithErrors(T* callbacks_map) { | 
|  | typename T::iterator iter(callbacks_map); | 
|  | while (!iter.IsAtEnd()) { | 
|  | iter.GetCurrentValue()->onError(blink::WebServiceWorkerCacheErrorNotFound); | 
|  | callbacks_map->Remove(iter.GetCurrentKey()); | 
|  | iter.Advance(); | 
|  | } | 
|  | } | 
|  |  | 
|  | }  // namespace | 
|  |  | 
|  | // The WebCache object is the Chromium side implementation of the Blink | 
|  | // WebServiceWorkerCache API. Most of its methods delegate directly to the | 
|  | // ServiceWorkerStorage object, which is able to assign unique IDs as well | 
|  | // as have a lifetime longer than the requests. | 
|  | class CacheStorageDispatcher::WebCache : public blink::WebServiceWorkerCache { | 
|  | public: | 
|  | WebCache(base::WeakPtr<CacheStorageDispatcher> dispatcher, int cache_id) | 
|  | : dispatcher_(dispatcher), cache_id_(cache_id) {} | 
|  |  | 
|  | virtual ~WebCache() { | 
|  | if (dispatcher_) | 
|  | dispatcher_->OnWebCacheDestruction(cache_id_); | 
|  | } | 
|  |  | 
|  | // From blink::WebServiceWorkerCache: | 
|  | virtual void dispatchMatch(CacheMatchCallbacks* callbacks, | 
|  | const blink::WebServiceWorkerRequest& request, | 
|  | const QueryParams& query_params) { | 
|  | if (!dispatcher_) | 
|  | return; | 
|  | dispatcher_->dispatchMatchForCache(cache_id_, callbacks, request, | 
|  | query_params); | 
|  | } | 
|  | virtual void dispatchMatchAll(CacheWithResponsesCallbacks* callbacks, | 
|  | const blink::WebServiceWorkerRequest& request, | 
|  | const QueryParams& query_params) { | 
|  | if (!dispatcher_) | 
|  | return; | 
|  | dispatcher_->dispatchMatchAllForCache(cache_id_, callbacks, request, | 
|  | query_params); | 
|  | } | 
|  | virtual void dispatchKeys(CacheWithRequestsCallbacks* callbacks, | 
|  | const blink::WebServiceWorkerRequest* request, | 
|  | const QueryParams& query_params) { | 
|  | if (!dispatcher_) | 
|  | return; | 
|  | dispatcher_->dispatchKeysForCache(cache_id_, callbacks, request, | 
|  | query_params); | 
|  | } | 
|  | virtual void dispatchBatch( | 
|  | CacheBatchCallbacks* callbacks, | 
|  | const blink::WebVector<BatchOperation>& batch_operations) { | 
|  | if (!dispatcher_) | 
|  | return; | 
|  | dispatcher_->dispatchBatchForCache(cache_id_, callbacks, batch_operations); | 
|  | } | 
|  |  | 
|  | private: | 
|  | const base::WeakPtr<CacheStorageDispatcher> dispatcher_; | 
|  | const int cache_id_; | 
|  | }; | 
|  |  | 
|  | CacheStorageDispatcher::CacheStorageDispatcher( | 
|  | ThreadSafeSender* thread_safe_sender) | 
|  | : thread_safe_sender_(thread_safe_sender), weak_factory_(this) { | 
|  | g_cache_storage_dispatcher_tls.Pointer()->Set(this); | 
|  | } | 
|  |  | 
|  | CacheStorageDispatcher::~CacheStorageDispatcher() { | 
|  | ClearCallbacksMapWithErrors(&has_callbacks_); | 
|  | ClearCallbacksMapWithErrors(&open_callbacks_); | 
|  | ClearCallbacksMapWithErrors(&delete_callbacks_); | 
|  | ClearCallbacksMapWithErrors(&keys_callbacks_); | 
|  | ClearCallbacksMapWithErrors(&match_callbacks_); | 
|  |  | 
|  | ClearCallbacksMapWithErrors(&cache_match_callbacks_); | 
|  | ClearCallbacksMapWithErrors(&cache_match_all_callbacks_); | 
|  | ClearCallbacksMapWithErrors(&cache_keys_callbacks_); | 
|  | ClearCallbacksMapWithErrors(&cache_batch_callbacks_); | 
|  |  | 
|  | g_cache_storage_dispatcher_tls.Pointer()->Set(kHasBeenDeleted); | 
|  | } | 
|  |  | 
|  | CacheStorageDispatcher* CacheStorageDispatcher::ThreadSpecificInstance( | 
|  | ThreadSafeSender* thread_safe_sender) { | 
|  | if (g_cache_storage_dispatcher_tls.Pointer()->Get() == kHasBeenDeleted) { | 
|  | NOTREACHED() << "Re-instantiating TLS CacheStorageDispatcher."; | 
|  | g_cache_storage_dispatcher_tls.Pointer()->Set(NULL); | 
|  | } | 
|  | if (g_cache_storage_dispatcher_tls.Pointer()->Get()) | 
|  | return g_cache_storage_dispatcher_tls.Pointer()->Get(); | 
|  |  | 
|  | CacheStorageDispatcher* dispatcher = | 
|  | new CacheStorageDispatcher(thread_safe_sender); | 
|  | if (WorkerTaskRunner::Instance()->CurrentWorkerId()) | 
|  | WorkerTaskRunner::Instance()->AddStopObserver(dispatcher); | 
|  | return dispatcher; | 
|  | } | 
|  |  | 
|  | void CacheStorageDispatcher::OnWorkerRunLoopStopped() { | 
|  | delete this; | 
|  | } | 
|  |  | 
|  | bool CacheStorageDispatcher::Send(IPC::Message* msg) { | 
|  | return thread_safe_sender_->Send(msg); | 
|  | } | 
|  |  | 
|  | bool CacheStorageDispatcher::OnMessageReceived(const IPC::Message& message) { | 
|  | bool handled = true; | 
|  | IPC_BEGIN_MESSAGE_MAP(CacheStorageDispatcher, message) | 
|  | IPC_MESSAGE_HANDLER(CacheStorageMsg_CacheStorageHasSuccess, | 
|  | OnCacheStorageHasSuccess) | 
|  | IPC_MESSAGE_HANDLER(CacheStorageMsg_CacheStorageOpenSuccess, | 
|  | OnCacheStorageOpenSuccess) | 
|  | IPC_MESSAGE_HANDLER(CacheStorageMsg_CacheStorageDeleteSuccess, | 
|  | OnCacheStorageDeleteSuccess) | 
|  | IPC_MESSAGE_HANDLER(CacheStorageMsg_CacheStorageKeysSuccess, | 
|  | OnCacheStorageKeysSuccess) | 
|  | IPC_MESSAGE_HANDLER(CacheStorageMsg_CacheStorageMatchSuccess, | 
|  | OnCacheStorageMatchSuccess) | 
|  | IPC_MESSAGE_HANDLER(CacheStorageMsg_CacheStorageHasError, | 
|  | OnCacheStorageHasError) | 
|  | IPC_MESSAGE_HANDLER(CacheStorageMsg_CacheStorageOpenError, | 
|  | OnCacheStorageOpenError) | 
|  | IPC_MESSAGE_HANDLER(CacheStorageMsg_CacheStorageDeleteError, | 
|  | OnCacheStorageDeleteError) | 
|  | IPC_MESSAGE_HANDLER(CacheStorageMsg_CacheStorageKeysError, | 
|  | OnCacheStorageKeysError) | 
|  | IPC_MESSAGE_HANDLER(CacheStorageMsg_CacheStorageMatchError, | 
|  | OnCacheStorageMatchError) | 
|  | IPC_MESSAGE_HANDLER(CacheStorageMsg_CacheMatchSuccess, | 
|  | OnCacheMatchSuccess) | 
|  | IPC_MESSAGE_HANDLER(CacheStorageMsg_CacheMatchAllSuccess, | 
|  | OnCacheMatchAllSuccess) | 
|  | IPC_MESSAGE_HANDLER(CacheStorageMsg_CacheKeysSuccess, OnCacheKeysSuccess) | 
|  | IPC_MESSAGE_HANDLER(CacheStorageMsg_CacheBatchSuccess, | 
|  | OnCacheBatchSuccess) | 
|  | IPC_MESSAGE_HANDLER(CacheStorageMsg_CacheMatchError, OnCacheMatchError) | 
|  | IPC_MESSAGE_HANDLER(CacheStorageMsg_CacheMatchAllError, | 
|  | OnCacheMatchAllError) | 
|  | IPC_MESSAGE_HANDLER(CacheStorageMsg_CacheKeysError, OnCacheKeysError) | 
|  | IPC_MESSAGE_HANDLER(CacheStorageMsg_CacheBatchError, OnCacheBatchError) | 
|  | IPC_MESSAGE_UNHANDLED(handled = false) | 
|  | IPC_END_MESSAGE_MAP() | 
|  |  | 
|  | return handled; | 
|  | } | 
|  |  | 
|  | void CacheStorageDispatcher::OnCacheStorageHasSuccess(int thread_id, | 
|  | int request_id) { | 
|  | DCHECK_EQ(thread_id, CurrentWorkerId()); | 
|  | UMA_HISTOGRAM_TIMES("ServiceWorkerCache.CacheStorage.Has", | 
|  | TimeTicks::Now() - has_times_[request_id]); | 
|  | WebServiceWorkerCacheStorage::CacheStorageCallbacks* callbacks = | 
|  | has_callbacks_.Lookup(request_id); | 
|  | callbacks->onSuccess(); | 
|  | has_callbacks_.Remove(request_id); | 
|  | has_times_.erase(request_id); | 
|  | } | 
|  |  | 
|  | void CacheStorageDispatcher::OnCacheStorageOpenSuccess(int thread_id, | 
|  | int request_id, | 
|  | int cache_id) { | 
|  | DCHECK_EQ(thread_id, CurrentWorkerId()); | 
|  | scoped_ptr<WebCache> web_cache( | 
|  | new WebCache(weak_factory_.GetWeakPtr(), cache_id)); | 
|  | web_caches_.AddWithID(web_cache.get(), cache_id); | 
|  | UMA_HISTOGRAM_TIMES("ServiceWorkerCache.CacheStorage.Open", | 
|  | TimeTicks::Now() - open_times_[request_id]); | 
|  | WebServiceWorkerCacheStorage::CacheStorageWithCacheCallbacks* callbacks = | 
|  | open_callbacks_.Lookup(request_id); | 
|  | callbacks->onSuccess(blink::adoptWebPtr(web_cache.release())); | 
|  | open_callbacks_.Remove(request_id); | 
|  | open_times_.erase(request_id); | 
|  | } | 
|  |  | 
|  | void CacheStorageDispatcher::OnCacheStorageDeleteSuccess(int thread_id, | 
|  | int request_id) { | 
|  | DCHECK_EQ(thread_id, CurrentWorkerId()); | 
|  | UMA_HISTOGRAM_TIMES("ServiceWorkerCache.CacheStorage.Delete", | 
|  | TimeTicks::Now() - delete_times_[request_id]); | 
|  | WebServiceWorkerCacheStorage::CacheStorageCallbacks* callbacks = | 
|  | delete_callbacks_.Lookup(request_id); | 
|  | callbacks->onSuccess(); | 
|  | delete_callbacks_.Remove(request_id); | 
|  | delete_times_.erase(request_id); | 
|  | } | 
|  |  | 
|  | void CacheStorageDispatcher::OnCacheStorageKeysSuccess( | 
|  | int thread_id, | 
|  | int request_id, | 
|  | const std::vector<base::string16>& keys) { | 
|  | DCHECK_EQ(thread_id, CurrentWorkerId()); | 
|  | blink::WebVector<blink::WebString> webKeys(keys.size()); | 
|  | for (size_t i = 0; i < keys.size(); ++i) | 
|  | webKeys[i] = keys[i]; | 
|  |  | 
|  | UMA_HISTOGRAM_TIMES("ServiceWorkerCache.CacheStorage.Keys", | 
|  | TimeTicks::Now() - keys_times_[request_id]); | 
|  | WebServiceWorkerCacheStorage::CacheStorageKeysCallbacks* callbacks = | 
|  | keys_callbacks_.Lookup(request_id); | 
|  | callbacks->onSuccess(webKeys); | 
|  | keys_callbacks_.Remove(request_id); | 
|  | keys_times_.erase(request_id); | 
|  | } | 
|  |  | 
|  | void CacheStorageDispatcher::OnCacheStorageMatchSuccess( | 
|  | int thread_id, | 
|  | int request_id, | 
|  | const ServiceWorkerResponse& response) { | 
|  | DCHECK_EQ(thread_id, CurrentWorkerId()); | 
|  | blink::WebServiceWorkerResponse web_response; | 
|  | PopulateWebResponseFromResponse(response, &web_response); | 
|  |  | 
|  | UMA_HISTOGRAM_TIMES("ServiceWorkerCache.CacheStorage.Match", | 
|  | TimeTicks::Now() - match_times_[request_id]); | 
|  | WebServiceWorkerCacheStorage::CacheStorageMatchCallbacks* callbacks = | 
|  | match_callbacks_.Lookup(request_id); | 
|  | callbacks->onSuccess(web_response); | 
|  | match_callbacks_.Remove(request_id); | 
|  | match_times_.erase(request_id); | 
|  | } | 
|  |  | 
|  | void CacheStorageDispatcher::OnCacheStorageHasError( | 
|  | int thread_id, | 
|  | int request_id, | 
|  | blink::WebServiceWorkerCacheError reason) { | 
|  | DCHECK_EQ(thread_id, CurrentWorkerId()); | 
|  | WebServiceWorkerCacheStorage::CacheStorageCallbacks* callbacks = | 
|  | has_callbacks_.Lookup(request_id); | 
|  | callbacks->onError(reason); | 
|  | has_callbacks_.Remove(request_id); | 
|  | has_times_.erase(request_id); | 
|  | } | 
|  |  | 
|  | void CacheStorageDispatcher::OnCacheStorageOpenError( | 
|  | int thread_id, | 
|  | int request_id, | 
|  | blink::WebServiceWorkerCacheError reason) { | 
|  | DCHECK_EQ(thread_id, CurrentWorkerId()); | 
|  | WebServiceWorkerCacheStorage::CacheStorageWithCacheCallbacks* callbacks = | 
|  | open_callbacks_.Lookup(request_id); | 
|  | callbacks->onError(reason); | 
|  | open_callbacks_.Remove(request_id); | 
|  | open_times_.erase(request_id); | 
|  | } | 
|  |  | 
|  | void CacheStorageDispatcher::OnCacheStorageDeleteError( | 
|  | int thread_id, | 
|  | int request_id, | 
|  | blink::WebServiceWorkerCacheError reason) { | 
|  | DCHECK_EQ(thread_id, CurrentWorkerId()); | 
|  | WebServiceWorkerCacheStorage::CacheStorageCallbacks* callbacks = | 
|  | delete_callbacks_.Lookup(request_id); | 
|  | callbacks->onError(reason); | 
|  | delete_callbacks_.Remove(request_id); | 
|  | delete_times_.erase(request_id); | 
|  | } | 
|  |  | 
|  | void CacheStorageDispatcher::OnCacheStorageKeysError( | 
|  | int thread_id, | 
|  | int request_id, | 
|  | blink::WebServiceWorkerCacheError reason) { | 
|  | DCHECK_EQ(thread_id, CurrentWorkerId()); | 
|  | WebServiceWorkerCacheStorage::CacheStorageKeysCallbacks* callbacks = | 
|  | keys_callbacks_.Lookup(request_id); | 
|  | callbacks->onError(reason); | 
|  | keys_callbacks_.Remove(request_id); | 
|  | keys_times_.erase(request_id); | 
|  | } | 
|  |  | 
|  | void CacheStorageDispatcher::OnCacheStorageMatchError( | 
|  | int thread_id, | 
|  | int request_id, | 
|  | blink::WebServiceWorkerCacheError reason) { | 
|  | DCHECK_EQ(thread_id, CurrentWorkerId()); | 
|  | WebServiceWorkerCacheStorage::CacheStorageMatchCallbacks* callbacks = | 
|  | match_callbacks_.Lookup(request_id); | 
|  | callbacks->onError(reason); | 
|  | match_callbacks_.Remove(request_id); | 
|  | match_times_.erase(request_id); | 
|  | } | 
|  |  | 
|  | void CacheStorageDispatcher::OnCacheMatchSuccess( | 
|  | int thread_id, | 
|  | int request_id, | 
|  | const ServiceWorkerResponse& response) { | 
|  | DCHECK_EQ(thread_id, CurrentWorkerId()); | 
|  | blink::WebServiceWorkerResponse web_response; | 
|  | PopulateWebResponseFromResponse(response, &web_response); | 
|  |  | 
|  | UMA_HISTOGRAM_TIMES("ServiceWorkerCache.Cache.Match", | 
|  | TimeTicks::Now() - cache_match_times_[request_id]); | 
|  | blink::WebServiceWorkerCache::CacheMatchCallbacks* callbacks = | 
|  | cache_match_callbacks_.Lookup(request_id); | 
|  | callbacks->onSuccess(web_response); | 
|  | cache_match_callbacks_.Remove(request_id); | 
|  | cache_match_times_.erase(request_id); | 
|  | } | 
|  |  | 
|  | void CacheStorageDispatcher::OnCacheMatchAllSuccess( | 
|  | int thread_id, | 
|  | int request_id, | 
|  | const std::vector<ServiceWorkerResponse>& responses) { | 
|  | DCHECK_EQ(thread_id, CurrentWorkerId()); | 
|  |  | 
|  | UMA_HISTOGRAM_TIMES("ServiceWorkerCache.Cache.MatchAll", | 
|  | TimeTicks::Now() - cache_match_all_times_[request_id]); | 
|  | blink::WebServiceWorkerCache::CacheWithResponsesCallbacks* callbacks = | 
|  | cache_match_all_callbacks_.Lookup(request_id); | 
|  | callbacks->onSuccess(WebResponsesFromResponses(responses)); | 
|  | cache_match_all_callbacks_.Remove(request_id); | 
|  | cache_match_all_times_.erase(request_id); | 
|  | } | 
|  |  | 
|  | void CacheStorageDispatcher::OnCacheKeysSuccess( | 
|  | int thread_id, | 
|  | int request_id, | 
|  | const std::vector<ServiceWorkerFetchRequest>& requests) { | 
|  | DCHECK_EQ(thread_id, CurrentWorkerId()); | 
|  |  | 
|  | UMA_HISTOGRAM_TIMES("ServiceWorkerCache.Cache.Keys", | 
|  | TimeTicks::Now() - cache_keys_times_[request_id]); | 
|  | blink::WebServiceWorkerCache::CacheWithRequestsCallbacks* callbacks = | 
|  | cache_keys_callbacks_.Lookup(request_id); | 
|  | callbacks->onSuccess(WebRequestsFromRequests(requests)); | 
|  | cache_keys_callbacks_.Remove(request_id); | 
|  | cache_keys_times_.erase(request_id); | 
|  | } | 
|  |  | 
|  | void CacheStorageDispatcher::OnCacheBatchSuccess( | 
|  | int thread_id, | 
|  | int request_id) { | 
|  | DCHECK_EQ(thread_id, CurrentWorkerId()); | 
|  |  | 
|  | UMA_HISTOGRAM_TIMES("ServiceWorkerCache.Cache.Batch", | 
|  | TimeTicks::Now() - cache_batch_times_[request_id]); | 
|  | blink::WebServiceWorkerCache::CacheBatchCallbacks* callbacks = | 
|  | cache_batch_callbacks_.Lookup(request_id); | 
|  | callbacks->onSuccess(); | 
|  | cache_batch_callbacks_.Remove(request_id); | 
|  | cache_batch_times_.erase(request_id); | 
|  | } | 
|  |  | 
|  | void CacheStorageDispatcher::OnCacheMatchError( | 
|  | int thread_id, | 
|  | int request_id, | 
|  | blink::WebServiceWorkerCacheError reason) { | 
|  | DCHECK_EQ(thread_id, CurrentWorkerId()); | 
|  | blink::WebServiceWorkerCache::CacheMatchCallbacks* callbacks = | 
|  | cache_match_callbacks_.Lookup(request_id); | 
|  | callbacks->onError(reason); | 
|  | cache_match_callbacks_.Remove(request_id); | 
|  | cache_match_times_.erase(request_id); | 
|  | } | 
|  |  | 
|  | void CacheStorageDispatcher::OnCacheMatchAllError( | 
|  | int thread_id, | 
|  | int request_id, | 
|  | blink::WebServiceWorkerCacheError reason) { | 
|  | DCHECK_EQ(thread_id, CurrentWorkerId()); | 
|  | blink::WebServiceWorkerCache::CacheWithResponsesCallbacks* callbacks = | 
|  | cache_match_all_callbacks_.Lookup(request_id); | 
|  | callbacks->onError(reason); | 
|  | cache_match_all_callbacks_.Remove(request_id); | 
|  | cache_match_all_times_.erase(request_id); | 
|  | } | 
|  |  | 
|  | void CacheStorageDispatcher::OnCacheKeysError( | 
|  | int thread_id, | 
|  | int request_id, | 
|  | blink::WebServiceWorkerCacheError reason) { | 
|  | DCHECK_EQ(thread_id, CurrentWorkerId()); | 
|  | blink::WebServiceWorkerCache::CacheWithRequestsCallbacks* callbacks = | 
|  | cache_keys_callbacks_.Lookup(request_id); | 
|  | callbacks->onError(reason); | 
|  | cache_keys_callbacks_.Remove(request_id); | 
|  | cache_keys_times_.erase(request_id); | 
|  | } | 
|  |  | 
|  | void CacheStorageDispatcher::OnCacheBatchError( | 
|  | int thread_id, | 
|  | int request_id, | 
|  | blink::WebServiceWorkerCacheError reason) { | 
|  | DCHECK_EQ(thread_id, CurrentWorkerId()); | 
|  | blink::WebServiceWorkerCache::CacheBatchCallbacks* callbacks = | 
|  | cache_batch_callbacks_.Lookup(request_id); | 
|  | callbacks->onError(blink::WebServiceWorkerCacheError(reason)); | 
|  | cache_batch_callbacks_.Remove(request_id); | 
|  | cache_batch_times_.erase(request_id); | 
|  | } | 
|  |  | 
|  | void CacheStorageDispatcher::dispatchHas( | 
|  | WebServiceWorkerCacheStorage::CacheStorageCallbacks* callbacks, | 
|  | const GURL& origin, | 
|  | const blink::WebString& cacheName) { | 
|  | int request_id = has_callbacks_.Add(callbacks); | 
|  | has_times_[request_id] = base::TimeTicks::Now(); | 
|  | Send(new CacheStorageHostMsg_CacheStorageHas(CurrentWorkerId(), request_id, | 
|  | origin, cacheName)); | 
|  | } | 
|  |  | 
|  | void CacheStorageDispatcher::dispatchOpen( | 
|  | WebServiceWorkerCacheStorage::CacheStorageWithCacheCallbacks* callbacks, | 
|  | const GURL& origin, | 
|  | const blink::WebString& cacheName) { | 
|  | int request_id = open_callbacks_.Add(callbacks); | 
|  | open_times_[request_id] = base::TimeTicks::Now(); | 
|  | Send(new CacheStorageHostMsg_CacheStorageOpen(CurrentWorkerId(), request_id, | 
|  | origin, cacheName)); | 
|  | } | 
|  |  | 
|  | void CacheStorageDispatcher::dispatchDelete( | 
|  | WebServiceWorkerCacheStorage::CacheStorageCallbacks* callbacks, | 
|  | const GURL& origin, | 
|  | const blink::WebString& cacheName) { | 
|  | int request_id = delete_callbacks_.Add(callbacks); | 
|  | delete_times_[request_id] = base::TimeTicks::Now(); | 
|  | Send(new CacheStorageHostMsg_CacheStorageDelete(CurrentWorkerId(), request_id, | 
|  | origin, cacheName)); | 
|  | } | 
|  |  | 
|  | void CacheStorageDispatcher::dispatchKeys( | 
|  | WebServiceWorkerCacheStorage::CacheStorageKeysCallbacks* callbacks, | 
|  | const GURL& origin) { | 
|  | int request_id = keys_callbacks_.Add(callbacks); | 
|  | keys_times_[request_id] = base::TimeTicks::Now(); | 
|  | Send(new CacheStorageHostMsg_CacheStorageKeys(CurrentWorkerId(), request_id, | 
|  | origin)); | 
|  | } | 
|  |  | 
|  | void CacheStorageDispatcher::dispatchMatch( | 
|  | WebServiceWorkerCacheStorage::CacheStorageMatchCallbacks* callbacks, | 
|  | const GURL& origin, | 
|  | const blink::WebServiceWorkerRequest& request, | 
|  | const blink::WebServiceWorkerCache::QueryParams& query_params) { | 
|  | int request_id = match_callbacks_.Add(callbacks); | 
|  | match_times_[request_id] = base::TimeTicks::Now(); | 
|  | Send(new CacheStorageHostMsg_CacheStorageMatch( | 
|  | CurrentWorkerId(), request_id, origin, | 
|  | FetchRequestFromWebRequest(request), | 
|  | QueryParamsFromWebQueryParams(query_params))); | 
|  | } | 
|  |  | 
|  | void CacheStorageDispatcher::dispatchMatchForCache( | 
|  | int cache_id, | 
|  | blink::WebServiceWorkerCache::CacheMatchCallbacks* callbacks, | 
|  | const blink::WebServiceWorkerRequest& request, | 
|  | const blink::WebServiceWorkerCache::QueryParams& query_params) { | 
|  | int request_id = cache_match_callbacks_.Add(callbacks); | 
|  | cache_match_times_[request_id] = base::TimeTicks::Now(); | 
|  |  | 
|  | Send(new CacheStorageHostMsg_CacheMatch( | 
|  | CurrentWorkerId(), request_id, cache_id, | 
|  | FetchRequestFromWebRequest(request), | 
|  | QueryParamsFromWebQueryParams(query_params))); | 
|  | } | 
|  |  | 
|  | void CacheStorageDispatcher::dispatchMatchAllForCache( | 
|  | int cache_id, | 
|  | blink::WebServiceWorkerCache::CacheWithResponsesCallbacks* callbacks, | 
|  | const blink::WebServiceWorkerRequest& request, | 
|  | const blink::WebServiceWorkerCache::QueryParams& query_params) { | 
|  | int request_id = cache_match_all_callbacks_.Add(callbacks); | 
|  | cache_match_all_times_[request_id] = base::TimeTicks::Now(); | 
|  |  | 
|  | Send(new CacheStorageHostMsg_CacheMatchAll( | 
|  | CurrentWorkerId(), request_id, cache_id, | 
|  | FetchRequestFromWebRequest(request), | 
|  | QueryParamsFromWebQueryParams(query_params))); | 
|  | } | 
|  |  | 
|  | void CacheStorageDispatcher::dispatchKeysForCache( | 
|  | int cache_id, | 
|  | blink::WebServiceWorkerCache::CacheWithRequestsCallbacks* callbacks, | 
|  | const blink::WebServiceWorkerRequest* request, | 
|  | const blink::WebServiceWorkerCache::QueryParams& query_params) { | 
|  | int request_id = cache_keys_callbacks_.Add(callbacks); | 
|  | cache_keys_times_[request_id] = base::TimeTicks::Now(); | 
|  |  | 
|  | Send(new CacheStorageHostMsg_CacheKeys( | 
|  | CurrentWorkerId(), request_id, cache_id, | 
|  | request ? FetchRequestFromWebRequest(*request) | 
|  | : ServiceWorkerFetchRequest(), | 
|  | QueryParamsFromWebQueryParams(query_params))); | 
|  | } | 
|  |  | 
|  | void CacheStorageDispatcher::dispatchBatchForCache( | 
|  | int cache_id, | 
|  | blink::WebServiceWorkerCache::CacheBatchCallbacks* callbacks, | 
|  | const blink::WebVector<blink::WebServiceWorkerCache::BatchOperation>& | 
|  | web_operations) { | 
|  | int request_id = cache_batch_callbacks_.Add(callbacks); | 
|  | cache_batch_times_[request_id] = base::TimeTicks::Now(); | 
|  |  | 
|  | std::vector<CacheStorageBatchOperation> operations; | 
|  | operations.reserve(web_operations.size()); | 
|  | for (size_t i = 0; i < web_operations.size(); ++i) { | 
|  | operations.push_back( | 
|  | BatchOperationFromWebBatchOperation(web_operations[i])); | 
|  | } | 
|  |  | 
|  | Send(new CacheStorageHostMsg_CacheBatch(CurrentWorkerId(), request_id, | 
|  | cache_id, operations)); | 
|  | } | 
|  |  | 
|  | void CacheStorageDispatcher::OnWebCacheDestruction(int cache_id) { | 
|  | web_caches_.Remove(cache_id); | 
|  | Send(new CacheStorageHostMsg_CacheClosed(cache_id)); | 
|  | } | 
|  |  | 
|  | void CacheStorageDispatcher::PopulateWebResponseFromResponse( | 
|  | const ServiceWorkerResponse& response, | 
|  | blink::WebServiceWorkerResponse* web_response) { | 
|  | web_response->setURL(response.url); | 
|  | web_response->setStatus(response.status_code); | 
|  | web_response->setStatusText(base::ASCIIToUTF16(response.status_text)); | 
|  | web_response->setResponseType(response.response_type); | 
|  |  | 
|  | for (const auto& i : response.headers) { | 
|  | web_response->setHeader(base::ASCIIToUTF16(i.first), | 
|  | base::ASCIIToUTF16(i.second)); | 
|  | } | 
|  |  | 
|  | if (!response.blob_uuid.empty()) { | 
|  | web_response->setBlob(blink::WebString::fromUTF8(response.blob_uuid), | 
|  | response.blob_size); | 
|  | // Let the host know that it can release its reference to the blob. | 
|  | Send(new CacheStorageHostMsg_BlobDataHandled(response.blob_uuid)); | 
|  | } | 
|  | } | 
|  |  | 
|  | blink::WebVector<blink::WebServiceWorkerResponse> | 
|  | CacheStorageDispatcher::WebResponsesFromResponses( | 
|  | const std::vector<ServiceWorkerResponse>& responses) { | 
|  | blink::WebVector<blink::WebServiceWorkerResponse> web_responses( | 
|  | responses.size()); | 
|  | for (size_t i = 0; i < responses.size(); ++i) | 
|  | PopulateWebResponseFromResponse(responses[i], &(web_responses[i])); | 
|  | return web_responses; | 
|  | } | 
|  |  | 
|  | }  // namespace content |