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/*
* Copyright (C) 2012 Google Inc. All rights reserved.
* Copyright (C) 2017 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
#if ENABLE(WEB_RTC)
#include "RTCPriorityType.h"
#include "ScriptExecutionContextIdentifier.h"
#include <wtf/text/WTFString.h>
namespace WebCore {
struct RTCDataChannelInit {
std::optional<bool> ordered;
std::optional<unsigned short> maxPacketLifeTime;
std::optional<unsigned short> maxRetransmits;
String protocol;
std::optional<bool> negotiated;
std::optional<unsigned short> id;
RTCPriorityType priority { RTCPriorityType::Low };
RTCDataChannelInit isolatedCopy() const;
template<class Encoder> void encode(Encoder&) const;
template<class Decoder> static std::optional<RTCDataChannelInit> decode(Decoder&);
};
inline RTCDataChannelInit RTCDataChannelInit::isolatedCopy() const
{
auto copy = *this;
copy.protocol = protocol.isolatedCopy();
return copy;
}
template<class Encoder> void RTCDataChannelInit::encode(Encoder& encoder) const
{
encoder << ordered << maxPacketLifeTime << maxRetransmits << protocol << negotiated << id << priority;
}
template<class Decoder> std::optional<RTCDataChannelInit> RTCDataChannelInit::decode(Decoder& decoder)
{
std::optional<std::optional<bool>> ordered;
decoder >> ordered;
if (!ordered)
return { };
std::optional<std::optional<unsigned short>> maxPacketLifeTime;
decoder >> maxPacketLifeTime;
if (!maxPacketLifeTime)
return { };
std::optional<std::optional<unsigned short>> maxRetransmits;
decoder >> maxRetransmits;
if (!maxRetransmits)
return { };
String protocol;
if (!decoder.decode(protocol))
return { };
std::optional<std::optional<bool>> negotiated;
decoder >> negotiated;
if (!negotiated)
return { };
std::optional<std::optional<unsigned short>> id;
decoder >> id;
if (!id)
return { };
std::optional<RTCPriorityType> priority;
decoder >> priority;
if (!priority)
return { };
return RTCDataChannelInit { *ordered, *maxPacketLifeTime, *maxRetransmits, WTFMove(protocol), *negotiated, *id, *priority };
}
class RTCDataChannelHandlerClient;
class RTCDataChannelHandler {
public:
virtual ~RTCDataChannelHandler() = default;
virtual void setClient(RTCDataChannelHandlerClient&, ScriptExecutionContextIdentifier) = 0;
virtual bool sendStringData(const CString&) = 0;
virtual bool sendRawData(const uint8_t*, size_t) = 0;
virtual void close() = 0;
};
} // namespace WebCore
#endif // ENABLE(WEB_RTC)
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