Tools/TestWebKitAPI/Helpers/cocoa/MiniTURNServer.h

/*
 * Copyright (C) 2026 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
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 */

#pragma once

#ifdef __cplusplus

#include <Network/Network.h>
#include <wtf/Ref.h>
#include <wtf/RetainPtr.h>
#include <wtf/Vector.h>

namespace TestWebKitAPI {

class MiniTURNServerState;

// Mini TURN server: speaks just enough STUN/TURN to get libwebrtc's TurnPort to surface a "relay" ICE candidate.
// See kMockTurnUsername/kMockTurnPassword for credentials to use.
class MiniTURNServer {
public:
    MiniTURNServer();
    ~MiniTURNServer();

    uint16_t udpPort() const;
    uint16_t tcpPort() const;

    enum class Transport : uint8_t { Udp, Tcp };
    struct Request {
        Transport transport;
        uint16_t method;
    };
    Vector<Request> takeRequests();

    static bool isStunMethodAllocate(uint16_t);

private:
    const Ref<MiniTURNServerState> m_state;
    RetainPtr<nw_listener_t> m_udpListener;
    RetainPtr<nw_listener_t> m_tcpListener;
};

} // namespace TestWebKitAPI

#endif