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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 <wtf/RefCounted.h>
namespace WebKit {
class NetworkConnectionToWebProcess;
class NetworkTransportBidirectionalStream;
class NetworkTransportReceiveStream;
class NetworkTransportSendStream;
struct WebTransportSessionIdentifierType;
struct WebTransportStreamIdentifierType;
using WebTransportSessionIdentifier = ObjectIdentifier<WebTransportSessionIdentifierType>;
using WebTransportStreamIdentifier = ObjectIdentifier<WebTransportStreamIdentifierType>;
class NetworkTransportSession : public IPC::MessageReceiver, public IPC::MessageSender {
WTF_MAKE_FAST_ALLOCATED;
public:
static void initialize(NetworkConnectionToWebProcess&, URL&&, CompletionHandler<void(std::unique_ptr<NetworkTransportSession>&&)>&&);
NetworkTransportSession(NetworkConnectionToWebProcess&);
~NetworkTransportSession();
WebTransportSessionIdentifier identifier() const { return m_identifier; }
void sendDatagram(std::span<const uint8_t>, CompletionHandler<void()>&&);
void createOutgoingUnidirectionalStream(CompletionHandler<void(std::optional<WebTransportStreamIdentifier>)>&&);
void createBidirectionalStream(CompletionHandler<void(std::optional<WebTransportStreamIdentifier>)>&&);
void destroyOutgoingUnidirectionalStream(WebTransportStreamIdentifier);
void destroyBidirectionalStream(WebTransportStreamIdentifier);
void sendStreamSendBytes(WebTransportStreamIdentifier, std::span<const uint8_t>, bool withFin, CompletionHandler<void()>&&);
void streamSendBytes(WebTransportStreamIdentifier, std::span<const uint8_t>, bool withFin, CompletionHandler<void()>&&);
void terminate(uint32_t, CString&&);
void receiveDatagram(std::span<const uint8_t>);
void streamReceiveBytes(WebTransportStreamIdentifier, std::span<const uint8_t>, bool withFin);
void receiveIncomingUnidirectionalStream();
void receiveBidirectionalStream();
void didReceiveMessage(IPC::Connection&, IPC::Decoder&) final;
private:
IPC::Connection* messageSenderConnection() const final;
uint64_t messageSenderDestinationID() const final;
WebTransportSessionIdentifier m_identifier;
HashMap<WebTransportStreamIdentifier, UniqueRef<NetworkTransportBidirectionalStream>> m_bidirectionalStreams;
HashMap<WebTransportStreamIdentifier, UniqueRef<NetworkTransportReceiveStream>> m_receiveStreams;
HashMap<WebTransportStreamIdentifier, UniqueRef<NetworkTransportSendStream>> m_sendStreams;
WeakPtr<NetworkConnectionToWebProcess> m_connection;
};
}
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