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/*
* Copyright (C) 2017 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.
*/
#pragma once
#if ENABLE(SERVICE_WORKER)
#include "NotificationClient.h"
#include "PushSubscriptionData.h"
#include "ScriptExecutionContextIdentifier.h"
#include "ServiceWorkerContextData.h"
#include "ServiceWorkerFetch.h"
#include "ServiceWorkerIdentifier.h"
#include "Settings.h"
#include "Timer.h"
#include "WorkerThread.h"
#include <wtf/WeakPtr.h>
namespace WebCore {
class CacheStorageProvider;
class ContentSecurityPolicyResponseHeaders;
class ExtendableEvent;
class MessagePortChannel;
class SerializedScriptValue;
class WorkerObjectProxy;
struct MessageWithMessagePorts;
class ServiceWorkerThread : public WorkerThread, public CanMakeWeakPtr<ServiceWorkerThread, WeakPtrFactoryInitialization::Eager> {
public:
template<typename... Args> static Ref<ServiceWorkerThread> create(Args&&... args)
{
return adoptRef(*new ServiceWorkerThread(std::forward<Args>(args)...));
}
virtual ~ServiceWorkerThread();
WorkerObjectProxy& workerObjectProxy() const { return m_workerObjectProxy; }
void start(Function<void(const String&, bool)>&&);
void willPostTaskToFireInstallEvent();
void willPostTaskToFireActivateEvent();
void willPostTaskToFireMessageEvent();
void willPostTaskToFirePushSubscriptionChangeEvent();
void queueTaskToFireFetchEvent(Ref<ServiceWorkerFetch::Client>&&, ResourceRequest&&, String&& referrer, FetchOptions&&, FetchIdentifier, bool isServiceWorkerNavigationPreloadEnabled, String&& clientIdentifier, String&& resultingClientIdentifier);
void queueTaskToPostMessage(MessageWithMessagePorts&&, ServiceWorkerOrClientData&& sourceData);
void queueTaskToFireInstallEvent();
void queueTaskToFireActivateEvent();
void queueTaskToFirePushEvent(std::optional<Vector<uint8_t>>&&, Function<void(bool)>&&);
void queueTaskToFirePushSubscriptionChangeEvent(std::optional<PushSubscriptionData>&& newSubscriptionData, std::optional<PushSubscriptionData>&& oldSubscriptionData);
ServiceWorkerIdentifier identifier() const { return m_serviceWorkerIdentifier; }
std::optional<ServiceWorkerJobDataIdentifier> jobDataIdentifier() const { return m_jobDataIdentifier; }
bool doesHandleFetch() const { return m_doesHandleFetch; }
void startFetchEventMonitoring();
void stopFetchEventMonitoring() { m_isHandlingFetchEvent = false; }
void startPushEventMonitoring();
void stopPushEventMonitoring() { m_isHandlingPushEvent = false; }
protected:
Ref<WorkerGlobalScope> createWorkerGlobalScope(const WorkerParameters&, Ref<SecurityOrigin>&&, Ref<SecurityOrigin>&& topOrigin) final;
void runEventLoop() override;
private:
WEBCORE_EXPORT ServiceWorkerThread(ServiceWorkerContextData&&, ServiceWorkerData&&, String&& userAgent, WorkerThreadMode, const Settings::Values&, WorkerLoaderProxy&, WorkerDebuggerProxy&, IDBClient::IDBConnectionProxy*, SocketProvider*, std::unique_ptr<NotificationClient>&&, PAL::SessionID);
ASCIILiteral threadName() const final { return "WebCore: ServiceWorker"_s; }
void finishedEvaluatingScript() final;
void finishedFiringInstallEvent(bool hasRejectedAnyPromise);
void finishedFiringActivateEvent();
void finishedFiringMessageEvent();
void finishedFiringPushSubscriptionChangeEvent();
void finishedStarting();
void startHeartBeatTimer();
void heartBeatTimerFired();
void installEventTimerFired();
ServiceWorkerIdentifier m_serviceWorkerIdentifier;
std::optional<ServiceWorkerJobDataIdentifier> m_jobDataIdentifier;
std::optional<ServiceWorkerContextData> m_contextData; // Becomes std::nullopt after the ServiceWorkerGlobalScope has been created.
std::optional<ServiceWorkerData> m_workerData; // Becomes std::nullopt after the ServiceWorkerGlobalScope has been created.
WorkerObjectProxy& m_workerObjectProxy;
bool m_doesHandleFetch { false };
bool m_isHandlingFetchEvent { false };
bool m_isHandlingPushEvent { false };
uint64_t m_pushSubscriptionChangeEventCount { 0 };
uint64_t m_messageEventCount { 0 };
enum class State { Idle, Starting, Installing, Activating };
State m_state { State::Idle };
bool m_ongoingHeartBeatCheck { false };
static constexpr Seconds heartBeatTimeout { 60_s };
static constexpr Seconds heartBeatTimeoutForTest { 1_s };
Seconds m_heartBeatTimeout { heartBeatTimeout };
Timer m_heartBeatTimer;
std::unique_ptr<NotificationClient> m_notificationClient;
};
} // namespace WebCore
#endif // ENABLE(SERVICE_WORKER)
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