| // Copyright 2013 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/browser/service_worker/service_worker_storage.h" |
| |
| #include <string> |
| |
| #include "base/bind_helpers.h" |
| #include "base/message_loop/message_loop.h" |
| #include "base/sequenced_task_runner.h" |
| #include "base/task_runner_util.h" |
| #include "content/browser/service_worker/service_worker_context_core.h" |
| #include "content/browser/service_worker/service_worker_disk_cache.h" |
| #include "content/browser/service_worker/service_worker_histograms.h" |
| #include "content/browser/service_worker/service_worker_info.h" |
| #include "content/browser/service_worker/service_worker_registration.h" |
| #include "content/browser/service_worker/service_worker_utils.h" |
| #include "content/browser/service_worker/service_worker_version.h" |
| #include "content/common/service_worker/service_worker_types.h" |
| #include "content/public/browser/browser_thread.h" |
| #include "net/base/net_errors.h" |
| #include "webkit/browser/quota/quota_manager_proxy.h" |
| |
| namespace content { |
| |
| namespace { |
| |
| void RunSoon(const tracked_objects::Location& from_here, |
| const base::Closure& closure) { |
| base::MessageLoop::current()->PostTask(from_here, closure); |
| } |
| |
| void CompleteFindNow( |
| const scoped_refptr<ServiceWorkerRegistration>& registration, |
| ServiceWorkerStatusCode status, |
| const ServiceWorkerStorage::FindRegistrationCallback& callback) { |
| callback.Run(status, registration); |
| } |
| |
| void CompleteFindSoon( |
| const tracked_objects::Location& from_here, |
| const scoped_refptr<ServiceWorkerRegistration>& registration, |
| ServiceWorkerStatusCode status, |
| const ServiceWorkerStorage::FindRegistrationCallback& callback) { |
| RunSoon(from_here, base::Bind(callback, status, registration)); |
| } |
| |
| const base::FilePath::CharType kServiceWorkerDirectory[] = |
| FILE_PATH_LITERAL("Service Worker"); |
| const base::FilePath::CharType kDatabaseName[] = |
| FILE_PATH_LITERAL("Database"); |
| const base::FilePath::CharType kDiskCacheName[] = |
| FILE_PATH_LITERAL("Cache"); |
| |
| const int kMaxMemDiskCacheSize = 10 * 1024 * 1024; |
| const int kMaxDiskCacheSize = 250 * 1024 * 1024; |
| |
| void EmptyCompletionCallback(int) {} |
| |
| ServiceWorkerStatusCode DatabaseStatusToStatusCode( |
| ServiceWorkerDatabase::Status status) { |
| switch (status) { |
| case ServiceWorkerDatabase::STATUS_OK: |
| return SERVICE_WORKER_OK; |
| case ServiceWorkerDatabase::STATUS_ERROR_NOT_FOUND: |
| return SERVICE_WORKER_ERROR_NOT_FOUND; |
| case ServiceWorkerDatabase::STATUS_ERROR_MAX: |
| NOTREACHED(); |
| default: |
| return SERVICE_WORKER_ERROR_FAILED; |
| } |
| } |
| |
| } // namespace |
| |
| ServiceWorkerStorage::InitialData::InitialData() |
| : next_registration_id(kInvalidServiceWorkerRegistrationId), |
| next_version_id(kInvalidServiceWorkerVersionId), |
| next_resource_id(kInvalidServiceWorkerResourceId) { |
| } |
| |
| ServiceWorkerStorage::InitialData::~InitialData() { |
| } |
| |
| ServiceWorkerStorage::ServiceWorkerStorage( |
| const base::FilePath& path, |
| base::WeakPtr<ServiceWorkerContextCore> context, |
| base::SequencedTaskRunner* database_task_runner, |
| base::MessageLoopProxy* disk_cache_thread, |
| quota::QuotaManagerProxy* quota_manager_proxy) |
| : next_registration_id_(kInvalidServiceWorkerRegistrationId), |
| next_version_id_(kInvalidServiceWorkerVersionId), |
| next_resource_id_(kInvalidServiceWorkerResourceId), |
| state_(UNINITIALIZED), |
| context_(context), |
| database_task_runner_(database_task_runner), |
| disk_cache_thread_(disk_cache_thread), |
| quota_manager_proxy_(quota_manager_proxy), |
| is_purge_pending_(false), |
| weak_factory_(this) { |
| if (!path.empty()) |
| path_ = path.Append(kServiceWorkerDirectory); |
| database_.reset(new ServiceWorkerDatabase(GetDatabasePath())); |
| } |
| |
| ServiceWorkerStorage::~ServiceWorkerStorage() { |
| weak_factory_.InvalidateWeakPtrs(); |
| database_task_runner_->DeleteSoon(FROM_HERE, database_.release()); |
| } |
| |
| void ServiceWorkerStorage::FindRegistrationForDocument( |
| const GURL& document_url, |
| const FindRegistrationCallback& callback) { |
| DCHECK(!document_url.has_ref()); |
| if (!LazyInitialize(base::Bind( |
| &ServiceWorkerStorage::FindRegistrationForDocument, |
| weak_factory_.GetWeakPtr(), document_url, callback))) { |
| if (state_ != INITIALIZING || !context_) { |
| CompleteFindNow(scoped_refptr<ServiceWorkerRegistration>(), |
| SERVICE_WORKER_ERROR_FAILED, callback); |
| } |
| return; |
| } |
| DCHECK_EQ(INITIALIZED, state_); |
| |
| // See if there are any stored registrations for the origin. |
| if (!ContainsKey(registered_origins_, document_url.GetOrigin())) { |
| // Look for something currently being installed. |
| scoped_refptr<ServiceWorkerRegistration> installing_registration = |
| FindInstallingRegistrationForDocument(document_url); |
| CompleteFindNow( |
| installing_registration, |
| installing_registration ? |
| SERVICE_WORKER_OK : SERVICE_WORKER_ERROR_NOT_FOUND, |
| callback); |
| return; |
| } |
| |
| database_task_runner_->PostTask( |
| FROM_HERE, |
| base::Bind( |
| &FindForDocumentInDB, |
| database_.get(), |
| base::MessageLoopProxy::current(), |
| document_url, |
| base::Bind(&ServiceWorkerStorage::DidFindRegistrationForDocument, |
| weak_factory_.GetWeakPtr(), document_url, callback))); |
| } |
| |
| void ServiceWorkerStorage::FindRegistrationForPattern( |
| const GURL& scope, |
| const FindRegistrationCallback& callback) { |
| if (!LazyInitialize(base::Bind( |
| &ServiceWorkerStorage::FindRegistrationForPattern, |
| weak_factory_.GetWeakPtr(), scope, callback))) { |
| if (state_ != INITIALIZING || !context_) { |
| CompleteFindSoon(FROM_HERE, scoped_refptr<ServiceWorkerRegistration>(), |
| SERVICE_WORKER_ERROR_FAILED, callback); |
| } |
| return; |
| } |
| DCHECK_EQ(INITIALIZED, state_); |
| |
| // See if there are any stored registrations for the origin. |
| if (!ContainsKey(registered_origins_, scope.GetOrigin())) { |
| // Look for something currently being installed. |
| scoped_refptr<ServiceWorkerRegistration> installing_registration = |
| FindInstallingRegistrationForPattern(scope); |
| CompleteFindSoon( |
| FROM_HERE, installing_registration, |
| installing_registration ? |
| SERVICE_WORKER_OK : SERVICE_WORKER_ERROR_NOT_FOUND, |
| callback); |
| return; |
| } |
| |
| database_task_runner_->PostTask( |
| FROM_HERE, |
| base::Bind( |
| &FindForPatternInDB, |
| database_.get(), |
| base::MessageLoopProxy::current(), |
| scope, |
| base::Bind(&ServiceWorkerStorage::DidFindRegistrationForPattern, |
| weak_factory_.GetWeakPtr(), scope, callback))); |
| } |
| |
| void ServiceWorkerStorage::FindRegistrationForId( |
| int64 registration_id, |
| const GURL& origin, |
| const FindRegistrationCallback& callback) { |
| if (!LazyInitialize(base::Bind( |
| &ServiceWorkerStorage::FindRegistrationForId, |
| weak_factory_.GetWeakPtr(), registration_id, origin, callback))) { |
| if (state_ != INITIALIZING || !context_) { |
| CompleteFindNow(scoped_refptr<ServiceWorkerRegistration>(), |
| SERVICE_WORKER_ERROR_FAILED, callback); |
| } |
| return; |
| } |
| DCHECK_EQ(INITIALIZED, state_); |
| |
| // See if there are any stored registrations for the origin. |
| if (!ContainsKey(registered_origins_, origin)) { |
| // Look for something currently being installed. |
| scoped_refptr<ServiceWorkerRegistration> installing_registration = |
| FindInstallingRegistrationForId(registration_id); |
| CompleteFindNow( |
| installing_registration, |
| installing_registration ? |
| SERVICE_WORKER_OK : SERVICE_WORKER_ERROR_NOT_FOUND, |
| callback); |
| return; |
| } |
| |
| scoped_refptr<ServiceWorkerRegistration> registration = |
| context_->GetLiveRegistration(registration_id); |
| if (registration) { |
| CompleteFindNow(registration, SERVICE_WORKER_OK, callback); |
| return; |
| } |
| |
| database_task_runner_->PostTask( |
| FROM_HERE, |
| base::Bind(&FindForIdInDB, |
| database_.get(), |
| base::MessageLoopProxy::current(), |
| registration_id, origin, |
| base::Bind(&ServiceWorkerStorage::DidFindRegistrationForId, |
| weak_factory_.GetWeakPtr(), callback))); |
| } |
| |
| void ServiceWorkerStorage::GetAllRegistrations( |
| const GetAllRegistrationInfosCallback& callback) { |
| if (!LazyInitialize(base::Bind( |
| &ServiceWorkerStorage::GetAllRegistrations, |
| weak_factory_.GetWeakPtr(), callback))) { |
| if (state_ != INITIALIZING || !context_) { |
| RunSoon(FROM_HERE, base::Bind( |
| callback, std::vector<ServiceWorkerRegistrationInfo>())); |
| } |
| return; |
| } |
| DCHECK_EQ(INITIALIZED, state_); |
| |
| RegistrationList* registrations = new RegistrationList; |
| PostTaskAndReplyWithResult( |
| database_task_runner_, |
| FROM_HERE, |
| base::Bind(&ServiceWorkerDatabase::GetAllRegistrations, |
| base::Unretained(database_.get()), |
| base::Unretained(registrations)), |
| base::Bind(&ServiceWorkerStorage::DidGetAllRegistrations, |
| weak_factory_.GetWeakPtr(), |
| callback, |
| base::Owned(registrations))); |
| } |
| |
| void ServiceWorkerStorage::StoreRegistration( |
| ServiceWorkerRegistration* registration, |
| ServiceWorkerVersion* version, |
| const StatusCallback& callback) { |
| DCHECK(registration); |
| DCHECK(version); |
| |
| DCHECK(state_ == INITIALIZED || state_ == DISABLED); |
| if (state_ != INITIALIZED || !context_) { |
| RunSoon(FROM_HERE, base::Bind(callback, SERVICE_WORKER_ERROR_FAILED)); |
| return; |
| } |
| |
| ServiceWorkerDatabase::RegistrationData data; |
| data.registration_id = registration->id(); |
| data.scope = registration->pattern(); |
| data.script = registration->script_url(); |
| data.has_fetch_handler = true; |
| data.version_id = version->version_id(); |
| data.last_update_check = base::Time::Now(); |
| data.is_active = false; // initially stored in the waiting state |
| |
| ResourceList resources; |
| version->script_cache_map()->GetResources(&resources); |
| |
| database_task_runner_->PostTask( |
| FROM_HERE, |
| base::Bind(&WriteRegistrationInDB, |
| database_.get(), |
| base::MessageLoopProxy::current(), |
| data, resources, |
| base::Bind(&ServiceWorkerStorage::DidStoreRegistration, |
| weak_factory_.GetWeakPtr(), |
| callback))); |
| } |
| |
| void ServiceWorkerStorage::UpdateToActiveState( |
| ServiceWorkerRegistration* registration, |
| const StatusCallback& callback) { |
| DCHECK(registration); |
| |
| DCHECK(state_ == INITIALIZED || state_ == DISABLED); |
| if (state_ != INITIALIZED || !context_) { |
| RunSoon(FROM_HERE, base::Bind(callback, SERVICE_WORKER_ERROR_FAILED)); |
| return; |
| } |
| |
| PostTaskAndReplyWithResult( |
| database_task_runner_, |
| FROM_HERE, |
| base::Bind(&ServiceWorkerDatabase::UpdateVersionToActive, |
| base::Unretained(database_.get()), |
| registration->id(), |
| registration->script_url().GetOrigin()), |
| base::Bind(&ServiceWorkerStorage::DidUpdateToActiveState, |
| weak_factory_.GetWeakPtr(), |
| callback)); |
| } |
| |
| void ServiceWorkerStorage::DeleteRegistration( |
| int64 registration_id, |
| const GURL& origin, |
| const StatusCallback& callback) { |
| DCHECK(state_ == INITIALIZED || state_ == DISABLED); |
| if (state_ != INITIALIZED || !context_) { |
| RunSoon(FROM_HERE, base::Bind(callback, SERVICE_WORKER_ERROR_FAILED)); |
| return; |
| } |
| |
| database_task_runner_->PostTask( |
| FROM_HERE, |
| base::Bind(&DeleteRegistrationFromDB, |
| database_.get(), |
| base::MessageLoopProxy::current(), |
| registration_id, origin, |
| base::Bind(&ServiceWorkerStorage::DidDeleteRegistration, |
| weak_factory_.GetWeakPtr(), origin, callback))); |
| |
| // TODO(michaeln): Either its instance should also be |
| // removed from liveregistrations map or the live object |
| // should marked as deleted in some way and not 'findable' |
| // thereafter. |
| } |
| |
| scoped_ptr<ServiceWorkerResponseReader> |
| ServiceWorkerStorage::CreateResponseReader(int64 response_id) { |
| return make_scoped_ptr( |
| new ServiceWorkerResponseReader(response_id, disk_cache())); |
| } |
| |
| scoped_ptr<ServiceWorkerResponseWriter> |
| ServiceWorkerStorage::CreateResponseWriter(int64 response_id) { |
| return make_scoped_ptr( |
| new ServiceWorkerResponseWriter(response_id, disk_cache())); |
| } |
| |
| void ServiceWorkerStorage::StoreUncommittedReponseId(int64 id) { |
| DCHECK_NE(kInvalidServiceWorkerResponseId, id); |
| database_task_runner_->PostTask( |
| FROM_HERE, |
| base::Bind(base::IgnoreResult( |
| &ServiceWorkerDatabase::WriteUncommittedResourceIds), |
| base::Unretained(database_.get()), |
| std::set<int64>(&id, &id + 1))); |
| } |
| |
| void ServiceWorkerStorage::DoomUncommittedResponse(int64 id) { |
| DCHECK_NE(kInvalidServiceWorkerResponseId, id); |
| database_task_runner_->PostTask( |
| FROM_HERE, |
| base::Bind(base::IgnoreResult( |
| &ServiceWorkerDatabase::PurgeUncommittedResourceIds), |
| base::Unretained(database_.get()), |
| std::set<int64>(&id, &id + 1))); |
| StartPurgingResources(std::vector<int64>(1, id)); |
| } |
| |
| int64 ServiceWorkerStorage::NewRegistrationId() { |
| if (state_ == DISABLED) |
| return kInvalidServiceWorkerRegistrationId; |
| DCHECK_EQ(INITIALIZED, state_); |
| return next_registration_id_++; |
| } |
| |
| int64 ServiceWorkerStorage::NewVersionId() { |
| if (state_ == DISABLED) |
| return kInvalidServiceWorkerVersionId; |
| DCHECK_EQ(INITIALIZED, state_); |
| return next_version_id_++; |
| } |
| |
| int64 ServiceWorkerStorage::NewResourceId() { |
| if (state_ == DISABLED) |
| return kInvalidServiceWorkerResourceId; |
| DCHECK_EQ(INITIALIZED, state_); |
| return next_resource_id_++; |
| } |
| |
| void ServiceWorkerStorage::NotifyInstallingRegistration( |
| ServiceWorkerRegistration* registration) { |
| installing_registrations_[registration->id()] = registration; |
| } |
| |
| void ServiceWorkerStorage::NotifyDoneInstallingRegistration( |
| ServiceWorkerRegistration* registration, |
| ServiceWorkerVersion* version, |
| ServiceWorkerStatusCode status) { |
| installing_registrations_.erase(registration->id()); |
| if (status != SERVICE_WORKER_OK && version) { |
| ResourceList resources; |
| version->script_cache_map()->GetResources(&resources); |
| |
| std::set<int64> ids; |
| for (size_t i = 0; i < resources.size(); ++i) |
| ids.insert(resources[i].resource_id); |
| |
| database_task_runner_->PostTask( |
| FROM_HERE, |
| base::Bind(base::IgnoreResult( |
| &ServiceWorkerDatabase::PurgeUncommittedResourceIds), |
| base::Unretained(database_.get()), |
| ids)); |
| |
| StartPurgingResources(resources); |
| } |
| } |
| |
| base::FilePath ServiceWorkerStorage::GetDatabasePath() { |
| if (path_.empty()) |
| return base::FilePath(); |
| return path_.Append(kDatabaseName); |
| } |
| |
| base::FilePath ServiceWorkerStorage::GetDiskCachePath() { |
| if (path_.empty()) |
| return base::FilePath(); |
| return path_.Append(kDiskCacheName); |
| } |
| |
| bool ServiceWorkerStorage::LazyInitialize(const base::Closure& callback) { |
| if (!context_) |
| return false; |
| |
| switch (state_) { |
| case INITIALIZED: |
| return true; |
| case DISABLED: |
| return false; |
| case INITIALIZING: |
| pending_tasks_.push_back(callback); |
| return false; |
| case UNINITIALIZED: |
| pending_tasks_.push_back(callback); |
| // Fall-through. |
| } |
| |
| state_ = INITIALIZING; |
| database_task_runner_->PostTask( |
| FROM_HERE, |
| base::Bind(&ReadInitialDataFromDB, |
| database_.get(), |
| base::MessageLoopProxy::current(), |
| base::Bind(&ServiceWorkerStorage::DidReadInitialData, |
| weak_factory_.GetWeakPtr()))); |
| return false; |
| } |
| |
| void ServiceWorkerStorage::DidReadInitialData( |
| InitialData* data, |
| ServiceWorkerDatabase::Status status) { |
| DCHECK(data); |
| DCHECK_EQ(INITIALIZING, state_); |
| |
| if (status == ServiceWorkerDatabase::STATUS_OK) { |
| next_registration_id_ = data->next_registration_id; |
| next_version_id_ = data->next_version_id; |
| next_resource_id_ = data->next_resource_id; |
| registered_origins_.swap(data->origins); |
| state_ = INITIALIZED; |
| } else { |
| // TODO(nhiroki): If status==STATUS_ERROR_CORRUPTED, do corruption recovery |
| // (http://crbug.com/371675). |
| DLOG(WARNING) << "Failed to initialize: " << status; |
| state_ = DISABLED; |
| } |
| |
| for (std::vector<base::Closure>::const_iterator it = pending_tasks_.begin(); |
| it != pending_tasks_.end(); ++it) { |
| RunSoon(FROM_HERE, *it); |
| } |
| pending_tasks_.clear(); |
| } |
| |
| void ServiceWorkerStorage::DidFindRegistrationForDocument( |
| const GURL& document_url, |
| const FindRegistrationCallback& callback, |
| const ServiceWorkerDatabase::RegistrationData& data, |
| const ResourceList& resources, |
| ServiceWorkerDatabase::Status status) { |
| if (status == ServiceWorkerDatabase::STATUS_OK) { |
| callback.Run(SERVICE_WORKER_OK, GetOrCreateRegistration(data, resources)); |
| return; |
| } |
| |
| if (status == ServiceWorkerDatabase::STATUS_ERROR_NOT_FOUND) { |
| // Look for something currently being installed. |
| scoped_refptr<ServiceWorkerRegistration> installing_registration = |
| FindInstallingRegistrationForDocument(document_url); |
| callback.Run(installing_registration ? |
| SERVICE_WORKER_OK : SERVICE_WORKER_ERROR_NOT_FOUND, |
| installing_registration); |
| return; |
| } |
| |
| // TODO(nhiroki): Handle database error (http://crbug.com/371675). |
| callback.Run(DatabaseStatusToStatusCode(status), |
| scoped_refptr<ServiceWorkerRegistration>()); |
| } |
| |
| void ServiceWorkerStorage::DidFindRegistrationForPattern( |
| const GURL& scope, |
| const FindRegistrationCallback& callback, |
| const ServiceWorkerDatabase::RegistrationData& data, |
| const ResourceList& resources, |
| ServiceWorkerDatabase::Status status) { |
| if (status == ServiceWorkerDatabase::STATUS_OK) { |
| callback.Run(SERVICE_WORKER_OK, GetOrCreateRegistration(data, resources)); |
| return; |
| } |
| |
| if (status == ServiceWorkerDatabase::STATUS_ERROR_NOT_FOUND) { |
| scoped_refptr<ServiceWorkerRegistration> installing_registration = |
| FindInstallingRegistrationForPattern(scope); |
| callback.Run(installing_registration ? |
| SERVICE_WORKER_OK : SERVICE_WORKER_ERROR_NOT_FOUND, |
| installing_registration); |
| return; |
| } |
| |
| // TODO(nhiroki): Handle database error (http://crbug.com/371675). |
| callback.Run(DatabaseStatusToStatusCode(status), |
| scoped_refptr<ServiceWorkerRegistration>()); |
| } |
| |
| void ServiceWorkerStorage::DidFindRegistrationForId( |
| const FindRegistrationCallback& callback, |
| const ServiceWorkerDatabase::RegistrationData& data, |
| const ResourceList& resources, |
| ServiceWorkerDatabase::Status status) { |
| if (status == ServiceWorkerDatabase::STATUS_OK) { |
| callback.Run(SERVICE_WORKER_OK, |
| GetOrCreateRegistration(data, resources)); |
| return; |
| } |
| // TODO(nhiroki): Handle database error (http://crbug.com/371675). |
| callback.Run(DatabaseStatusToStatusCode(status), |
| scoped_refptr<ServiceWorkerRegistration>()); |
| } |
| |
| void ServiceWorkerStorage::DidGetAllRegistrations( |
| const GetAllRegistrationInfosCallback& callback, |
| RegistrationList* registrations, |
| ServiceWorkerDatabase::Status status) { |
| DCHECK(registrations); |
| if (status != ServiceWorkerDatabase::STATUS_OK) { |
| // TODO(nhiroki): Handle database error (http://crbug.com/371675). |
| callback.Run(std::vector<ServiceWorkerRegistrationInfo>()); |
| return; |
| } |
| |
| // Add all stored registrations. |
| std::set<int64> pushed_registrations; |
| std::vector<ServiceWorkerRegistrationInfo> infos; |
| for (RegistrationList::const_iterator it = registrations->begin(); |
| it != registrations->end(); ++it) { |
| const bool inserted = |
| pushed_registrations.insert(it->registration_id).second; |
| DCHECK(inserted); |
| |
| ServiceWorkerRegistration* registration = |
| context_->GetLiveRegistration(it->registration_id); |
| if (registration) { |
| infos.push_back(registration->GetInfo()); |
| continue; |
| } |
| |
| ServiceWorkerRegistrationInfo info; |
| info.pattern = it->scope; |
| info.script_url = it->script; |
| info.registration_id = it->registration_id; |
| if (ServiceWorkerVersion* version = |
| context_->GetLiveVersion(it->version_id)) { |
| if (it->is_active) |
| info.active_version = version->GetInfo(); |
| else |
| info.waiting_version = version->GetInfo(); |
| infos.push_back(info); |
| continue; |
| } |
| |
| if (it->is_active) { |
| info.active_version.is_null = false; |
| info.active_version.status = ServiceWorkerVersion::ACTIVE; |
| info.active_version.version_id = it->version_id; |
| } else { |
| info.waiting_version.is_null = false; |
| info.waiting_version.status = ServiceWorkerVersion::INSTALLED; |
| info.waiting_version.version_id = it->version_id; |
| } |
| infos.push_back(info); |
| } |
| |
| // Add unstored registrations that are being installed. |
| for (RegistrationRefsById::const_iterator it = |
| installing_registrations_.begin(); |
| it != installing_registrations_.end(); ++it) { |
| if (pushed_registrations.insert(it->first).second) |
| infos.push_back(it->second->GetInfo()); |
| } |
| |
| callback.Run(infos); |
| } |
| |
| void ServiceWorkerStorage::DidStoreRegistration( |
| const StatusCallback& callback, |
| const GURL& origin, |
| const std::vector<int64>& newly_purgeable_resources, |
| ServiceWorkerDatabase::Status status) { |
| if (status != ServiceWorkerDatabase::STATUS_OK) { |
| // TODO(nhiroki): Handle database error (http://crbug.com/371675). |
| callback.Run(DatabaseStatusToStatusCode(status)); |
| return; |
| } |
| registered_origins_.insert(origin); |
| callback.Run(SERVICE_WORKER_OK); |
| StartPurgingResources(newly_purgeable_resources); |
| } |
| |
| void ServiceWorkerStorage::DidUpdateToActiveState( |
| const StatusCallback& callback, |
| ServiceWorkerDatabase::Status status) { |
| // TODO(nhiroki): Handle database error (http://crbug.com/371675). |
| callback.Run(DatabaseStatusToStatusCode(status)); |
| } |
| |
| void ServiceWorkerStorage::DidDeleteRegistration( |
| const GURL& origin, |
| const StatusCallback& callback, |
| bool origin_is_deletable, |
| const std::vector<int64>& newly_purgeable_resources, |
| ServiceWorkerDatabase::Status status) { |
| if (status != ServiceWorkerDatabase::STATUS_OK) { |
| // TODO(nhiroki): Handle database error (http://crbug.com/371675). |
| callback.Run(DatabaseStatusToStatusCode(status)); |
| return; |
| } |
| if (origin_is_deletable) |
| registered_origins_.erase(origin); |
| callback.Run(SERVICE_WORKER_OK); |
| StartPurgingResources(newly_purgeable_resources); |
| } |
| |
| scoped_refptr<ServiceWorkerRegistration> |
| ServiceWorkerStorage::GetOrCreateRegistration( |
| const ServiceWorkerDatabase::RegistrationData& data, |
| const ResourceList& resources) { |
| scoped_refptr<ServiceWorkerRegistration> registration = |
| context_->GetLiveRegistration(data.registration_id); |
| if (registration) |
| return registration; |
| |
| registration = new ServiceWorkerRegistration( |
| data.scope, data.script, data.registration_id, context_); |
| scoped_refptr<ServiceWorkerVersion> version = |
| context_->GetLiveVersion(data.version_id); |
| if (!version) { |
| version = new ServiceWorkerVersion(registration, data.version_id, context_); |
| version->SetStatus(data.is_active ? |
| ServiceWorkerVersion::ACTIVE : ServiceWorkerVersion::INSTALLED); |
| version->script_cache_map()->SetResources(resources); |
| } |
| |
| if (version->status() == ServiceWorkerVersion::ACTIVE) |
| registration->set_active_version(version); |
| else if (version->status() == ServiceWorkerVersion::INSTALLED) |
| registration->set_waiting_version(version); |
| else |
| NOTREACHED(); |
| // TODO(michaeln): Hmmm, what if DeleteReg was invoked after |
| // the Find result we're returning here? NOTREACHED condition? |
| return registration; |
| } |
| |
| ServiceWorkerRegistration* |
| ServiceWorkerStorage::FindInstallingRegistrationForDocument( |
| const GURL& document_url) { |
| DCHECK(!document_url.has_ref()); |
| |
| LongestScopeMatcher matcher(document_url); |
| ServiceWorkerRegistration* match = NULL; |
| |
| // TODO(nhiroki): This searches over installing registrations linearly and it |
| // couldn't be scalable. Maybe the regs should be partitioned by origin. |
| for (RegistrationRefsById::const_iterator it = |
| installing_registrations_.begin(); |
| it != installing_registrations_.end(); ++it) { |
| if (matcher.MatchLongest(it->second->pattern())) |
| match = it->second; |
| } |
| return match; |
| } |
| |
| ServiceWorkerRegistration* |
| ServiceWorkerStorage::FindInstallingRegistrationForPattern( |
| const GURL& scope) { |
| for (RegistrationRefsById::const_iterator it = |
| installing_registrations_.begin(); |
| it != installing_registrations_.end(); ++it) { |
| if (it->second->pattern() == scope) |
| return it->second; |
| } |
| return NULL; |
| } |
| |
| ServiceWorkerRegistration* |
| ServiceWorkerStorage::FindInstallingRegistrationForId( |
| int64 registration_id) { |
| RegistrationRefsById::const_iterator found = |
| installing_registrations_.find(registration_id); |
| if (found == installing_registrations_.end()) |
| return NULL; |
| return found->second; |
| } |
| |
| ServiceWorkerDiskCache* ServiceWorkerStorage::disk_cache() { |
| if (disk_cache_) |
| return disk_cache_.get(); |
| |
| disk_cache_.reset(new ServiceWorkerDiskCache); |
| |
| base::FilePath path = GetDiskCachePath(); |
| if (path.empty()) { |
| int rv = disk_cache_->InitWithMemBackend( |
| kMaxMemDiskCacheSize, |
| base::Bind(&EmptyCompletionCallback)); |
| DCHECK_EQ(net::OK, rv); |
| return disk_cache_.get(); |
| } |
| |
| int rv = disk_cache_->InitWithDiskBackend( |
| path, kMaxDiskCacheSize, false, |
| disk_cache_thread_.get(), |
| base::Bind(&ServiceWorkerStorage::OnDiskCacheInitialized, |
| weak_factory_.GetWeakPtr())); |
| if (rv != net::ERR_IO_PENDING) |
| OnDiskCacheInitialized(rv); |
| |
| return disk_cache_.get(); |
| } |
| |
| void ServiceWorkerStorage::OnDiskCacheInitialized(int rv) { |
| if (rv != net::OK) { |
| LOG(ERROR) << "Failed to open the serviceworker diskcache: " |
| << net::ErrorToString(rv); |
| // TODO(michaeln): DeleteAndStartOver() |
| disk_cache_->Disable(); |
| state_ = DISABLED; |
| } |
| ServiceWorkerHistograms::CountInitDiskCacheResult(rv == net::OK); |
| } |
| |
| void ServiceWorkerStorage::StartPurgingResources( |
| const std::vector<int64>& ids) { |
| for (size_t i = 0; i < ids.size(); ++i) |
| purgeable_reource_ids_.push_back(ids[i]); |
| ContinuePurgingResources(); |
| } |
| |
| void ServiceWorkerStorage::StartPurgingResources( |
| const ResourceList& resources) { |
| for (size_t i = 0; i < resources.size(); ++i) |
| purgeable_reource_ids_.push_back(resources[i].resource_id); |
| ContinuePurgingResources(); |
| } |
| |
| void ServiceWorkerStorage::ContinuePurgingResources() { |
| if (purgeable_reource_ids_.empty() || is_purge_pending_) |
| return; |
| |
| // Do one at a time until we're done, use RunSoon to avoid recursion when |
| // DoomEntry returns immediately. |
| is_purge_pending_ = true; |
| int64 id = purgeable_reource_ids_.front(); |
| purgeable_reource_ids_.pop_front(); |
| RunSoon(FROM_HERE, |
| base::Bind(&ServiceWorkerStorage::PurgeResource, |
| weak_factory_.GetWeakPtr(), id)); |
| } |
| |
| void ServiceWorkerStorage::PurgeResource(int64 id) { |
| DCHECK(is_purge_pending_); |
| int rv = disk_cache()->DoomEntry( |
| id, base::Bind(&ServiceWorkerStorage::OnResourcePurged, |
| weak_factory_.GetWeakPtr(), id)); |
| if (rv != net::ERR_IO_PENDING) |
| OnResourcePurged(id, rv); |
| } |
| |
| void ServiceWorkerStorage::OnResourcePurged(int64 id, int rv) { |
| DCHECK(is_purge_pending_); |
| is_purge_pending_ = false; |
| |
| database_task_runner_->PostTask( |
| FROM_HERE, |
| base::Bind(base::IgnoreResult( |
| &ServiceWorkerDatabase::ClearPurgeableResourceIds), |
| base::Unretained(database_.get()), |
| std::set<int64>(&id, &id + 1))); |
| |
| ContinuePurgingResources(); |
| } |
| |
| void ServiceWorkerStorage::ReadInitialDataFromDB( |
| ServiceWorkerDatabase* database, |
| scoped_refptr<base::SequencedTaskRunner> original_task_runner, |
| const InitializeCallback& callback) { |
| DCHECK(database); |
| scoped_ptr<ServiceWorkerStorage::InitialData> data( |
| new ServiceWorkerStorage::InitialData()); |
| |
| ServiceWorkerDatabase::Status status = |
| database->GetNextAvailableIds(&data->next_registration_id, |
| &data->next_version_id, |
| &data->next_resource_id); |
| if (status != ServiceWorkerDatabase::STATUS_OK) { |
| original_task_runner->PostTask( |
| FROM_HERE, base::Bind(callback, base::Owned(data.release()), status)); |
| return; |
| } |
| |
| status = database->GetOriginsWithRegistrations(&data->origins); |
| original_task_runner->PostTask( |
| FROM_HERE, base::Bind(callback, base::Owned(data.release()), status)); |
| } |
| |
| void ServiceWorkerStorage::DeleteRegistrationFromDB( |
| ServiceWorkerDatabase* database, |
| scoped_refptr<base::SequencedTaskRunner> original_task_runner, |
| int64 registration_id, |
| const GURL& origin, |
| const DeleteRegistrationCallback& callback) { |
| DCHECK(database); |
| |
| std::vector<int64> newly_purgeable_resources; |
| ServiceWorkerDatabase::Status status = |
| database->DeleteRegistration(registration_id, origin, |
| &newly_purgeable_resources); |
| if (status != ServiceWorkerDatabase::STATUS_OK) { |
| original_task_runner->PostTask( |
| FROM_HERE, base::Bind(callback, false, std::vector<int64>(), status)); |
| return; |
| } |
| |
| // TODO(nhiroki): Add convenient method to ServiceWorkerDatabase to check the |
| // unique origin list. |
| std::vector<ServiceWorkerDatabase::RegistrationData> registrations; |
| status = database->GetRegistrationsForOrigin(origin, ®istrations); |
| if (status != ServiceWorkerDatabase::STATUS_OK) { |
| original_task_runner->PostTask( |
| FROM_HERE, base::Bind(callback, false, std::vector<int64>(), status)); |
| return; |
| } |
| |
| bool deletable = registrations.empty(); |
| original_task_runner->PostTask( |
| FROM_HERE, base::Bind(callback, deletable, |
| newly_purgeable_resources, status)); |
| } |
| |
| void ServiceWorkerStorage::WriteRegistrationInDB( |
| ServiceWorkerDatabase* database, |
| scoped_refptr<base::SequencedTaskRunner> original_task_runner, |
| const ServiceWorkerDatabase::RegistrationData& data, |
| const ResourceList& resources, |
| const WriteRegistrationCallback& callback) { |
| DCHECK(database); |
| std::vector<int64> newly_purgeable_resources; |
| ServiceWorkerDatabase::Status status = |
| database->WriteRegistration(data, resources, &newly_purgeable_resources); |
| original_task_runner->PostTask( |
| FROM_HERE, |
| base::Bind(callback, data.script.GetOrigin(), |
| newly_purgeable_resources, status)); |
| } |
| |
| void ServiceWorkerStorage::FindForDocumentInDB( |
| ServiceWorkerDatabase* database, |
| scoped_refptr<base::SequencedTaskRunner> original_task_runner, |
| const GURL& document_url, |
| const FindInDBCallback& callback) { |
| GURL origin = document_url.GetOrigin(); |
| RegistrationList registrations; |
| ServiceWorkerDatabase::Status status = |
| database->GetRegistrationsForOrigin(origin, ®istrations); |
| if (status != ServiceWorkerDatabase::STATUS_OK) { |
| original_task_runner->PostTask( |
| FROM_HERE, |
| base::Bind(callback, |
| ServiceWorkerDatabase::RegistrationData(), |
| ResourceList(), |
| status)); |
| return; |
| } |
| |
| ServiceWorkerDatabase::RegistrationData data; |
| ResourceList resources; |
| status = ServiceWorkerDatabase::STATUS_ERROR_NOT_FOUND; |
| |
| // Find one with a pattern match. |
| LongestScopeMatcher matcher(document_url); |
| int64 match = kInvalidServiceWorkerRegistrationId; |
| for (size_t i = 0; i < registrations.size(); ++i) { |
| if (matcher.MatchLongest(registrations[i].scope)) |
| match = registrations[i].registration_id; |
| } |
| |
| if (match != kInvalidServiceWorkerRegistrationId) |
| status = database->ReadRegistration(match, origin, &data, &resources); |
| |
| original_task_runner->PostTask( |
| FROM_HERE, |
| base::Bind(callback, data, resources, status)); |
| } |
| |
| void ServiceWorkerStorage::FindForPatternInDB( |
| ServiceWorkerDatabase* database, |
| scoped_refptr<base::SequencedTaskRunner> original_task_runner, |
| const GURL& scope, |
| const FindInDBCallback& callback) { |
| GURL origin = scope.GetOrigin(); |
| std::vector<ServiceWorkerDatabase::RegistrationData> registrations; |
| ServiceWorkerDatabase::Status status = |
| database->GetRegistrationsForOrigin(origin, ®istrations); |
| if (status != ServiceWorkerDatabase::STATUS_OK) { |
| original_task_runner->PostTask( |
| FROM_HERE, |
| base::Bind(callback, |
| ServiceWorkerDatabase::RegistrationData(), |
| ResourceList(), |
| status)); |
| return; |
| } |
| |
| // Find one with an exact matching scope. |
| ServiceWorkerDatabase::RegistrationData data; |
| ResourceList resources; |
| status = ServiceWorkerDatabase::STATUS_ERROR_NOT_FOUND; |
| for (RegistrationList::const_iterator it = registrations.begin(); |
| it != registrations.end(); ++it) { |
| if (scope != it->scope) |
| continue; |
| status = database->ReadRegistration(it->registration_id, origin, |
| &data, &resources); |
| break; // We're done looping. |
| } |
| |
| original_task_runner->PostTask( |
| FROM_HERE, |
| base::Bind(callback, data, resources, status)); |
| } |
| |
| void ServiceWorkerStorage::FindForIdInDB( |
| ServiceWorkerDatabase* database, |
| scoped_refptr<base::SequencedTaskRunner> original_task_runner, |
| int64 registration_id, |
| const GURL& origin, |
| const FindInDBCallback& callback) { |
| ServiceWorkerDatabase::RegistrationData data; |
| ResourceList resources; |
| ServiceWorkerDatabase::Status status = |
| database->ReadRegistration(registration_id, origin, &data, &resources); |
| original_task_runner->PostTask( |
| FROM_HERE, base::Bind(callback, data, resources, status)); |
| } |
| |
| } // namespace content |
