transportlayerice.h

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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */

/* vim: set ts=2 et sw=2 tw=80: */

/* This Source Code Form is subject to the terms of the Mozilla Public

 * License, v. 2.0. If a copy of the MPL was not distributed with this file,

 * You can obtain one at http://mozilla.org/MPL/2.0/. */

// Original author: ekr@rtfm.com

// This is a wrapper around the nICEr ICE stack

#ifndef transportlayerice_h__

#define transportlayerice_h__

#include "sigslot.h"

#include "mozilla/RefPtr.h"

#include "m_cpp_utils.h"

#include "nricemediastream.h"

#include "transportlayer.h"

// An ICE transport layer -- corresponds to a single ICE

namespace mozilla {

class TransportLayerIce : public TransportLayer {

 public:

  TransportLayerIce();

  virtual ~TransportLayerIce();

  void SetParameters(RefPtr<NrIceMediaStream> stream, int component);

  void ResetOldStream();    // called after successful ice restart

  void RestoreOldStream();  // called after unsuccessful ice restart

  // Transport layer overrides.

  TransportResult SendPacket(MediaPacket& packet) override;

  // Slots for ICE

  void IceCandidate(NrIceMediaStream* stream, const std::string&);

  void IceReady(NrIceMediaStream* stream);

  void IceFailed(NrIceMediaStream* stream);

  void IcePacketReceived(NrIceMediaStream* stream, int component,

                         const unsigned char* data, int len);

  // Useful for capturing encrypted packets

  sigslot::signal2<TransportLayer*, MediaPacket&> SignalPacketSending;

  TRANSPORT_LAYER_ID("ice")

 private:

  DISALLOW_COPY_ASSIGN(TransportLayerIce);

  void PostSetup();

  RefPtr<NrIceMediaStream> stream_;

  int component_;

};

}  // namespace mozilla

#endif