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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.
*/
#include "config.h"
#include "NetworkTransportSession.h"
#include "MessageSenderInlines.h"
#include "NetworkConnectionToWebProcess.h"
#include "NetworkTransportStream.h"
#include "WebCore/Exception.h"
#include "WebCore/ExceptionCode.h"
#include "WebTransportSessionMessages.h"
#include <wtf/TZoneMallocInlines.h>
namespace WebKit {
WTF_MAKE_TZONE_ALLOCATED_IMPL(NetworkTransportSession);
#if !PLATFORM(COCOA)
void NetworkTransportSession::initialize(NetworkConnectionToWebProcess&, URL&&, WebKit::WebPageProxyIdentifier&&, WebCore::ClientOrigin&&, CompletionHandler<void(RefPtr<NetworkTransportSession>&&)>&& completionHandler)
{
completionHandler(nullptr);
}
#endif
NetworkTransportSession::~NetworkTransportSession() = default;
IPC::Connection* NetworkTransportSession::messageSenderConnection() const
{
return m_connectionToWebProcess ? &m_connectionToWebProcess->connection() : nullptr;
}
uint64_t NetworkTransportSession::messageSenderDestinationID() const
{
return identifier().toUInt64();
}
#if !PLATFORM(COCOA)
void NetworkTransportSession::sendDatagram(std::span<const uint8_t>, CompletionHandler<void(std::optional<WebCore::Exception>&&)>&& completionHandler)
{
completionHandler(std::nullopt);
}
#endif
void NetworkTransportSession::streamSendBytes(WebCore::WebTransportStreamIdentifier identifier, std::span<const uint8_t> bytes, bool withFin, CompletionHandler<void(std::optional<WebCore::Exception>&&)>&& completionHandler)
{
if (RefPtr stream = m_streams.get(identifier))
stream->sendBytes(bytes, withFin, WTFMove(completionHandler));
else
completionHandler(WebCore::Exception { WebCore::ExceptionCode::InvalidStateError });
}
#if !PLATFORM(COCOA)
void NetworkTransportSession::createOutgoingUnidirectionalStream(CompletionHandler<void(std::optional<WebCore::WebTransportStreamIdentifier>)>&& completionHandler)
{
completionHandler(std::nullopt);
}
void NetworkTransportSession::createBidirectionalStream(CompletionHandler<void(std::optional<WebCore::WebTransportStreamIdentifier>)>&& completionHandler)
{
completionHandler(std::nullopt);
}
#endif
#if !PLATFORM(COCOA)
void NetworkTransportSession::terminate(WebCore::WebTransportSessionErrorCode, CString&&)
{
}
#endif
void NetworkTransportSession::receiveDatagram(std::span<const uint8_t> datagram, bool withFin, std::optional<WebCore::Exception>&& exception)
{
send(Messages::WebTransportSession::ReceiveDatagram(datagram, withFin, WTFMove(exception)));
}
void NetworkTransportSession::streamReceiveBytes(WebCore::WebTransportStreamIdentifier identifier, std::span<const uint8_t> bytes, bool withFin, std::optional<WebCore::Exception>&& exception)
{
send(Messages::WebTransportSession::StreamReceiveBytes(identifier, bytes, withFin, WTFMove(exception)));
}
void NetworkTransportSession::receiveIncomingUnidirectionalStream(WebCore::WebTransportStreamIdentifier identifier)
{
send(Messages::WebTransportSession::ReceiveIncomingUnidirectionalStream(identifier));
}
void NetworkTransportSession::receiveBidirectionalStream(WebCore::WebTransportStreamIdentifier identifier)
{
send(Messages::WebTransportSession::ReceiveBidirectionalStream(identifier));
}
void NetworkTransportSession::cancelReceiveStream(WebCore::WebTransportStreamIdentifier identifier, std::optional<WebCore::WebTransportStreamErrorCode> errorCode)
{
if (RefPtr stream = m_streams.get(identifier))
stream->cancelReceive(errorCode);
// Stream could have been destroyed gracefully when reads and writes were completed.
}
void NetworkTransportSession::cancelSendStream(WebCore::WebTransportStreamIdentifier identifier, std::optional<WebCore::WebTransportStreamErrorCode> errorCode)
{
if (RefPtr stream = m_streams.get(identifier))
stream->cancelSend(errorCode);
// Stream could have been destroyed gracefully when reads and writes were completed.
}
void NetworkTransportSession::destroyStream(WebCore::WebTransportStreamIdentifier identifier, std::optional<WebCore::WebTransportStreamErrorCode> errorCode)
{
if (RefPtr stream = m_streams.get(identifier)) {
stream->cancel(errorCode);
m_streams.remove(identifier);
}
// Stream could have been destroyed gracefully when reads and writes were completed.
}
std::optional<SharedPreferencesForWebProcess> NetworkTransportSession::sharedPreferencesForWebProcess() const
{
if (auto connectionToWebProcess = m_connectionToWebProcess.get())
return connectionToWebProcess->sharedPreferencesForWebProcess();
return std::nullopt;
}
}
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