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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 <span>
#include <wtf/AbstractThreadSafeRefCountedAndCanMakeWeakPtr.h>
#include <wtf/NativePromise.h>
#include <wtf/ThreadSafeWeakPtr.h>
namespace WebCore {
class Exception;
class ReadableStreamSource;
class ScriptExecutionContext;
class WebTransportBidirectionalStream;
class WebTransportSendStream;
class WebTransportSessionClient;
class WebTransportSendStreamSink;
struct WebTransportConnectionStats;
struct WebTransportReceiveStreamStats;
struct WebTransportSendStreamStats;
struct WebTransportStreamIdentifierType;
using WebTransportStreamIdentifier = ObjectIdentifier<WebTransportStreamIdentifierType>;
using WritableStreamPromise = NativePromise<Ref<WebTransportSendStreamSink>, void>;
using BidirectionalStreamPromise = NativePromise<Ref<WebTransportSendStreamSink>, void>;
using WebTransportSendPromise = NativePromise<std::optional<Exception>, void>;
using WebTransportConnectionStatsPromise = NativePromise<WebTransportConnectionStats, void>;
using WebTransportSendStreamStatsPromise = NativePromise<WebTransportSendStreamStats, void>;
using WebTransportReceiveStreamStatsPromise = NativePromise<WebTransportReceiveStreamStats, void>;
using WebTransportSessionErrorCode = uint32_t;
using WebTransportStreamErrorCode = uint64_t;
class WEBCORE_EXPORT WebTransportSession : public AbstractThreadSafeRefCountedAndCanMakeWeakPtr {
public:
virtual ~WebTransportSession();
virtual Ref<WebTransportSendPromise> sendDatagram(std::span<const uint8_t>) = 0;
virtual Ref<WritableStreamPromise> createOutgoingUnidirectionalStream() = 0;
virtual Ref<BidirectionalStreamPromise> createBidirectionalStream() = 0;
virtual Ref<WebTransportSendPromise> streamSendBytes(WebTransportStreamIdentifier, std::span<const uint8_t>, bool withFin) = 0;
virtual Ref<WebTransportConnectionStatsPromise> getStats() = 0;
virtual Ref<WebTransportSendStreamStatsPromise> getSendStreamStats(WebTransportStreamIdentifier) = 0;
virtual Ref<WebTransportReceiveStreamStatsPromise> getReceiveStreamStats(WebTransportStreamIdentifier) = 0;
virtual void cancelReceiveStream(WebTransportStreamIdentifier, std::optional<WebTransportStreamErrorCode>) = 0;
virtual void cancelSendStream(WebTransportStreamIdentifier, std::optional<WebTransportStreamErrorCode>) = 0;
virtual void destroyStream(WebTransportStreamIdentifier, std::optional<WebTransportStreamErrorCode>) = 0;
virtual void terminate(WebTransportSessionErrorCode, CString&&) = 0;
};
}
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