Source/WebCore/Modules/mediastream/STUNMessageParsing.h

/*
 * Copyright (C) 2020 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
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 * 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
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#pragma once

#include <wtf/Function.h>
#include <wtf/Vector.h>

#if ENABLE(WEB_RTC)

namespace WebCore {
namespace WebRTC {

struct STUNMessageLengths {
    size_t messageLength { 0 };
    size_t messageLengthWithPadding { 0 };
};

WEBCORE_EXPORT std::optional<STUNMessageLengths> getSTUNOrTURNMessageLengths(const uint8_t*, size_t);

enum class MessageType { STUN, Data };
WEBCORE_EXPORT Vector<uint8_t> extractMessages(Vector<uint8_t>&&, MessageType, const Function<void(const uint8_t* data, size_t size)>&);

} // namespace WebRTC
} // namespace WebCore

#endif