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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 "MessageReceiver.h"
#include "MessageSender.h"
#include "WebPageProxyIdentifier.h"
#include <WebCore/SharedWorkerIdentifier.h>
#include <WebCore/SharedWorkerObjectIdentifier.h>
#include <WebCore/Site.h>
#include <WebCore/Timer.h>
#include <WebCore/TransferredMessagePort.h>
#include <wtf/CheckedRef.h>
#include <wtf/RefCounted.h>
#include <wtf/TZoneMalloc.h>
namespace WebKit {
class WebSharedWorkerServerToContextConnection;
}
namespace WebCore {
class ScriptBuffer;
struct ClientOrigin;
struct WorkerFetchResult;
struct WorkerOptions;
}
namespace WebKit {
class NetworkConnectionToWebProcess;
class WebSharedWorker;
class WebSharedWorkerServer;
class WebSharedWorkerServerToContextConnection final : public IPC::MessageSender, public IPC::MessageReceiver, public RefCounted<WebSharedWorkerServerToContextConnection> {
WTF_MAKE_TZONE_ALLOCATED(WebSharedWorkerServerToContextConnection);
public:
static Ref<WebSharedWorkerServerToContextConnection> create(NetworkConnectionToWebProcess&, const WebCore::Site&, WebSharedWorkerServer&);
~WebSharedWorkerServerToContextConnection();
void ref() const final { RefCounted::ref(); }
void deref() const final { RefCounted::deref(); }
std::optional<WebCore::ProcessIdentifier> webProcessIdentifier() const;
const WebCore::RegistrableDomain& registrableDomain() const { return m_site.domain(); }
const WebCore::Site& site() const { return m_site; }
IPC::Connection* ipcConnection() const;
void terminateWhenPossible() { m_shouldTerminateWhenPossible = true; }
void launchSharedWorker(WebSharedWorker&);
void postConnectEvent(const WebSharedWorker&, const WebCore::TransferredMessagePort&, CompletionHandler<void(bool)>&&);
void terminateSharedWorker(const WebSharedWorker&);
void suspendSharedWorker(WebCore::SharedWorkerIdentifier);
void resumeSharedWorker(WebCore::SharedWorkerIdentifier);
const HashMap<WebCore::ProcessIdentifier, HashSet<WebCore::SharedWorkerObjectIdentifier>>& sharedWorkerObjects() const { return m_sharedWorkerObjects; }
void didReceiveMessage(IPC::Connection&, IPC::Decoder&) final;
void addSharedWorkerObject(WebCore::SharedWorkerObjectIdentifier);
void removeSharedWorkerObject(WebCore::SharedWorkerObjectIdentifier);
private:
WebSharedWorkerServerToContextConnection(NetworkConnectionToWebProcess&, const WebCore::Site&, WebSharedWorkerServer&);
void idleTerminationTimerFired();
void connectionIsNoLongerNeeded();
// IPC messages.
void postErrorToWorkerObject(WebCore::SharedWorkerIdentifier, const String& errorMessage, int lineNumber, int columnNumber, const String& sourceURL, bool isErrorEvent);
void sharedWorkerTerminated(WebCore::SharedWorkerIdentifier);
// IPC::MessageSender.
IPC::Connection* messageSenderConnection() const final;
uint64_t messageSenderDestinationID() const final;
WeakPtr<NetworkConnectionToWebProcess> m_connection;
WeakPtr<WebSharedWorkerServer> m_server;
WebCore::Site m_site;
HashMap<WebCore::ProcessIdentifier, HashSet<WebCore::SharedWorkerObjectIdentifier>> m_sharedWorkerObjects;
WebCore::Timer m_idleTerminationTimer;
bool m_shouldTerminateWhenPossible { false };
};
} // namespace WebKit
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