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/*
* Copyright (C) 2023 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 <WebCore/ProcessQualified.h>
#include <WebCore/WebTransportSession.h>
#include <wtf/ObjectIdentifier.h>
#include <wtf/ThreadSafeRefCounted.h>
namespace WebKit {
class WebTransportBidirectionalStream;
class WebTransportReceiveStream;
class WebTransportReceiveStreamSource;
class WebTransportSendStream;
struct WebTransportStreamIdentifierType { };
struct WebTransportSessionIdentifierType { };
using WebTransportStreamIdentifier = ObjectIdentifier<WebTransportStreamIdentifierType>;
using WebTransportSessionIdentifier = ObjectIdentifier<WebTransportSessionIdentifierType>;
class WebTransportSession : public WebCore::WebTransportSession, public IPC::MessageReceiver, public IPC::MessageSender, public ThreadSafeRefCounted<WebTransportSession, WTF::DestructionThread::MainRunLoop> {
public:
static void initialize(const URL&, CompletionHandler<void(RefPtr<WebTransportSession>&&)>&&);
~WebTransportSession();
void receiveDatagram(std::span<const uint8_t>);
void receiveIncomingUnidirectionalStream(WebTransportStreamIdentifier);
void receiveBidirectionalStream(WebTransportStreamIdentifier);
void streamReceiveBytes(WebTransportStreamIdentifier, std::span<const uint8_t>, bool withFin);
void streamSendBytes(WebTransportStreamIdentifier, std::span<const uint8_t>, bool withFin, CompletionHandler<void()>&&);
void ref() const final { ThreadSafeRefCounted::ref(); }
void deref() const final { ThreadSafeRefCounted::deref(); }
// MessageReceiver
void didReceiveMessage(IPC::Connection&, IPC::Decoder&) final;
private:
WebTransportSession(WebTransportSessionIdentifier);
// WebTransportSession
void sendDatagram(std::span<const uint8_t>, CompletionHandler<void()>&&) final;
void createOutgoingUnidirectionalStream(CompletionHandler<void(RefPtr<WebCore::WritableStreamSink>&&)>&&) final;
void createBidirectionalStream(CompletionHandler<void(std::optional<WebCore::WebTransportBidirectionalStreamConstructionParameters>&&)>&&) final;
void terminate(uint32_t, CString&&) final;
// MessageSender
IPC::Connection* messageSenderConnection() const final;
uint64_t messageSenderDestinationID() const final;
WebTransportSessionIdentifier m_identifier;
HashMap<WebTransportStreamIdentifier, Ref<WebTransportReceiveStreamSource>> m_readStreamSources;
};
}
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