118 lines
3.8 KiB
C++
118 lines
3.8 KiB
C++
/*
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* Copyright (C) 2012 Google Inc. All rights reserved.
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* Copyright (C) 2017 Apple Inc. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS'' AND ANY
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* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS BE LIABLE FOR ANY
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* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
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* ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#pragma once
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#if ENABLE(WEB_RTC)
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#include "RTCPriorityType.h"
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#include "ScriptExecutionContextIdentifier.h"
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#include <wtf/text/WTFString.h>
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namespace WebCore {
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struct RTCDataChannelInit {
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std::optional<bool> ordered;
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std::optional<unsigned short> maxPacketLifeTime;
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std::optional<unsigned short> maxRetransmits;
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String protocol;
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std::optional<bool> negotiated;
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std::optional<unsigned short> id;
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RTCPriorityType priority { RTCPriorityType::Low };
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RTCDataChannelInit isolatedCopy() const;
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template<class Encoder> void encode(Encoder&) const;
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template<class Decoder> static std::optional<RTCDataChannelInit> decode(Decoder&);
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};
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inline RTCDataChannelInit RTCDataChannelInit::isolatedCopy() const
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{
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auto copy = *this;
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copy.protocol = protocol.isolatedCopy();
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return copy;
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}
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template<class Encoder> void RTCDataChannelInit::encode(Encoder& encoder) const
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{
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encoder << ordered << maxPacketLifeTime << maxRetransmits << protocol << negotiated << id << priority;
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}
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template<class Decoder> std::optional<RTCDataChannelInit> RTCDataChannelInit::decode(Decoder& decoder)
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{
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std::optional<std::optional<bool>> ordered;
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decoder >> ordered;
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if (!ordered)
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return { };
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std::optional<std::optional<unsigned short>> maxPacketLifeTime;
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decoder >> maxPacketLifeTime;
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if (!maxPacketLifeTime)
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return { };
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std::optional<std::optional<unsigned short>> maxRetransmits;
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decoder >> maxRetransmits;
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if (!maxRetransmits)
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return { };
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String protocol;
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if (!decoder.decode(protocol))
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return { };
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std::optional<std::optional<bool>> negotiated;
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decoder >> negotiated;
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if (!negotiated)
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return { };
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std::optional<std::optional<unsigned short>> id;
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decoder >> id;
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if (!id)
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return { };
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std::optional<RTCPriorityType> priority;
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decoder >> priority;
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if (!priority)
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return { };
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return RTCDataChannelInit { *ordered, *maxPacketLifeTime, *maxRetransmits, WTFMove(protocol), *negotiated, *id, *priority };
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}
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class RTCDataChannelHandlerClient;
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class RTCDataChannelHandler {
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public:
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virtual ~RTCDataChannelHandler() = default;
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virtual void setClient(RTCDataChannelHandlerClient&, ScriptExecutionContextIdentifier) = 0;
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virtual bool sendStringData(const CString&) = 0;
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virtual bool sendRawData(const uint8_t*, size_t) = 0;
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virtual void close() = 0;
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};
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} // namespace WebCore
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#endif // ENABLE(WEB_RTC)
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