#pragma once

#include <memory>

#ifdef ENVOY_ENABLE_QUIC

#include "quiche/quic/core/quic_path_validator.h"

using NetworkHandle = quic::QuicNetworkHandle;

#else

using NetworkHandle = int64_t;

#endif

namespace Envoy {

namespace Quic {

// An interface to get network change notifications from the underlying platform.

class QuicNetworkConnectivityObserver {

public:

  // Called when the device switches to a different network.

  virtual void onNetworkMadeDefault(NetworkHandle network) PURE;

  // Called when a new network is connected.

  virtual void onNetworkConnected(NetworkHandle network) PURE;

  // Called when the given network gets disconnected.

  virtual void onNetworkDisconnected(NetworkHandle network) PURE;

};

using QuicNetworkConnectivityObserverPtr = std::unique_ptr<QuicNetworkConnectivityObserver>;

} // namespace Quic

} // namespace Envoy