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/*
* Copyright (C) 2022 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
#include <WebCore/ProcessIdentifier.h>
#include <WebCore/RegistrableDomain.h>
#include <WebCore/ScriptExecutionContextIdentifier.h>
#include <WebCore/SharedWorkerIdentifier.h>
#include <WebCore/SharedWorkerKey.h>
#include <WebCore/SharedWorkerObjectIdentifier.h>
#include <WebCore/TransferredMessagePort.h>
#include <wtf/CheckedPtr.h>
#include <wtf/TZoneMalloc.h>
#include <wtf/WeakPtr.h>
namespace WebKit {
class WebSharedWorkerServer;
}
namespace PAL {
class SessionID;
}
namespace WebCore {
class Site;
struct ClientOrigin;
struct WorkerFetchResult;
struct WorkerInitializationData;
struct WorkerOptions;
}
namespace WebKit {
class NetworkSession;
class WebSharedWorker;
class WebSharedWorkerServerConnection;
class WebSharedWorkerServerToContextConnection;
class WebSharedWorkerServer : public CanMakeWeakPtr<WebSharedWorkerServer>, public CanMakeCheckedPtr<WebSharedWorkerServer> {
WTF_MAKE_TZONE_ALLOCATED(WebSharedWorkerServer);
WTF_OVERRIDE_DELETE_FOR_CHECKED_PTR(WebSharedWorkerServer);
public:
explicit WebSharedWorkerServer(NetworkSession&);
~WebSharedWorkerServer();
PAL::SessionID sessionID();
WebSharedWorkerServerToContextConnection* contextConnectionForRegistrableDomain(const WebCore::RegistrableDomain&) const;
void requestSharedWorker(WebCore::SharedWorkerKey&&, WebCore::SharedWorkerObjectIdentifier, WebCore::TransferredMessagePort&&, WebCore::WorkerOptions&&);
void sharedWorkerObjectIsGoingAway(const WebCore::SharedWorkerKey&, WebCore::SharedWorkerObjectIdentifier);
void suspendForBackForwardCache(const WebCore::SharedWorkerKey&, WebCore::SharedWorkerObjectIdentifier);
void resumeForBackForwardCache(const WebCore::SharedWorkerKey&, WebCore::SharedWorkerObjectIdentifier);
void postErrorToWorkerObject(WebCore::SharedWorkerIdentifier, const String& errorMessage, int lineNumber, int columnNumber, const String& sourceURL, bool isErrorEvent);
void sharedWorkerTerminated(WebCore::SharedWorkerIdentifier);
void terminateContextConnectionWhenPossible(const WebCore::RegistrableDomain&, WebCore::ProcessIdentifier);
void addContextConnection(WebSharedWorkerServerToContextConnection&);
void removeContextConnection(WebSharedWorkerServerToContextConnection&);
void addConnection(Ref<WebSharedWorkerServerConnection>&&);
void removeConnection(WebCore::ProcessIdentifier);
void reportNetworkUsageToAllSharedWorkerClients(WebCore::SharedWorkerIdentifier, size_t bytesTransferredOverNetwork);
private:
void createContextConnection(const WebCore::Site&, std::optional<WebCore::ProcessIdentifier> requestingProcessIdentifier);
bool needsContextConnectionForRegistrableDomain(const WebCore::RegistrableDomain&) const;
void contextConnectionCreated(WebSharedWorkerServerToContextConnection&);
void didFinishFetchingSharedWorkerScript(WebSharedWorker&, WebCore::WorkerFetchResult&&, WebCore::WorkerInitializationData&&);
void shutDownSharedWorker(const WebCore::SharedWorkerKey&);
CheckedRef<NetworkSession> m_session;
HashMap<WebCore::ProcessIdentifier, Ref<WebSharedWorkerServerConnection>> m_connections;
HashMap<WebCore::RegistrableDomain, WeakRef<WebSharedWorkerServerToContextConnection>> m_contextConnections;
HashSet<WebCore::RegistrableDomain> m_pendingContextConnectionDomains;
HashMap<WebCore::SharedWorkerKey, Ref<WebSharedWorker>> m_sharedWorkers;
};
} // namespace WebKit
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