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/*
* Copyright (C) 2025 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 "RTCNetwork.h"
#include <WebCore/Timer.h>
#include <wtf/Forward.h>
#include <wtf/RetainPtr.h>
#if PLATFORM(COCOA)
#include <pal/spi/cocoa/NetworkSPI.h>
#endif
namespace WebKit {
class NetworkRTCMonitor;
class NetworkRTCSharedMonitor {
public:
static NetworkRTCSharedMonitor& singleton();
~NetworkRTCSharedMonitor();
void addListener(NetworkRTCMonitor&);
void removeListener(NetworkRTCMonitor&);
const RTCNetwork::IPAddress& ipv4() const { return m_ipv4; }
const RTCNetwork::IPAddress& ipv6() const { return m_ipv6; }
webrtc::AdapterType adapterTypeFromInterfaceName(const char*) const;
#if PLATFORM(COCOA)
void updateNetworksFromPath(nw_path_t);
#endif
private:
friend NeverDestroyed<NetworkRTCSharedMonitor>;
NetworkRTCSharedMonitor();
#if PLATFORM(COCOA)
void setupNWPathMonitor();
#endif
void start();
void stop();
void updateNetworks();
void updateNetworksOnQueue();
void onGatheredNetworks(RTCNetwork::IPAddress&&, RTCNetwork::IPAddress&&, HashMap<String, RTCNetwork>&&);
WeakHashSet<NetworkRTCMonitor> m_observers;
Ref<ConcurrentWorkQueue> m_queue;
WebCore::Timer m_updateNetworksTimer;
bool m_didReceiveResults { false };
Vector<RTCNetwork> m_networkList;
RTCNetwork::IPAddress m_ipv4;
RTCNetwork::IPAddress m_ipv6;
int m_networkLastIndex { 0 };
HashMap<String, RTCNetwork> m_networkMap;
#if PLATFORM(COCOA)
RetainPtr<nw_path_monitor_t> m_nwMonitor;
HashMap<String, webrtc::AdapterType> m_adapterTypes;
#endif
};
} // namespace WebKit
#endif // USE(LIBWEBRTC)
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