File: RTCNetwork.h

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/*
 * Copyright (C) 2016 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 USE(LIBWEBRTC)

#include <WebCore/LibWebRTCMacros.h>
#include <optional>
#include <wtf/Forward.h>
#include <wtf/Vector.h>

ALLOW_COMMA_BEGIN

#include <webrtc/rtc_base/socket_address.h>
#include <webrtc/rtc_base/network.h>

ALLOW_COMMA_END

namespace WebKit {

namespace RTC::Network {

struct IPAddress {
    struct UnspecifiedFamily { };

    explicit IPAddress() = default;
    explicit IPAddress(const rtc::IPAddress&);
    explicit IPAddress(std::variant<UnspecifiedFamily, uint32_t, std::array<uint32_t, 4>> value)
        : value(value) { }

    rtc::IPAddress rtcAddress() const;

    std::variant<UnspecifiedFamily, uint32_t, std::array<uint32_t, 4>> value;
};

struct InterfaceAddress {
    explicit InterfaceAddress(const rtc::InterfaceAddress&);
    explicit InterfaceAddress(IPAddress address, int ipv6Flags)
        : address(address), ipv6Flags(ipv6Flags) { }

    rtc::InterfaceAddress rtcAddress() const;

    IPAddress address;
    int ipv6Flags;
};

struct SocketAddress {
    explicit SocketAddress(const rtc::SocketAddress&);
    explicit SocketAddress(uint16_t port, int scopeID, Vector<char>&& hostname, std::optional<IPAddress> ipAddress)
        : port(port)
        , scopeID(scopeID)
        , hostname(WTFMove(hostname))
        , ipAddress(ipAddress) { }

    rtc::SocketAddress rtcAddress() const;
    static rtc::SocketAddress isolatedCopy(const rtc::SocketAddress&);

    uint16_t port;
    int scopeID;
    Vector<char> hostname;
    std::optional<IPAddress> ipAddress;
};

}

struct RTCNetwork {
    using SocketAddress = RTC::Network::SocketAddress;
    using IPAddress = RTC::Network::IPAddress;
    using InterfaceAddress = RTC::Network::InterfaceAddress;

    explicit RTCNetwork(const rtc::Network&);
    explicit RTCNetwork(Vector<char>&& name, Vector<char>&& description, IPAddress prefix, int prefixLength, int type, uint16_t id, int preference, bool active, bool ignored, int scopeID, Vector<InterfaceAddress>&& ips);

    rtc::Network value() const;

    Vector<char> name;
    Vector<char> description;
    IPAddress prefix;
    int prefixLength;
    int type;
    uint16_t id;
    int preference;
    bool active;
    bool ignored;
    int scopeID;
    Vector<InterfaceAddress> ips;
};

}

#endif // USE(LIBWEBRTC)