tor-browser

The Tor Browser
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transportlayerice.h (1702B)


      1 /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
      2 /* vim: set ts=2 et sw=2 tw=80: */
      3 /* This Source Code Form is subject to the terms of the Mozilla Public
      4 * License, v. 2.0. If a copy of the MPL was not distributed with this file,
      5 * You can obtain one at http://mozilla.org/MPL/2.0/. */
      6 
      7 // Original author: ekr@rtfm.com
      8 
      9 // This is a wrapper around the nICEr ICE stack
     10 #ifndef transportlayerice_h__
     11 #define transportlayerice_h__
     12 
     13 #include "m_cpp_utils.h"
     14 #include "mozilla/RefPtr.h"
     15 #include "nricemediastream.h"
     16 #include "sigslot.h"
     17 #include "transportlayer.h"
     18 
     19 // An ICE transport layer -- corresponds to a single ICE
     20 namespace mozilla {
     21 
     22 class TransportLayerIce : public TransportLayer {
     23 public:
     24  TransportLayerIce();
     25 
     26  virtual ~TransportLayerIce();
     27 
     28  void SetParameters(RefPtr<NrIceMediaStream> stream, int component);
     29 
     30  void ResetOldStream();    // called after successful ice restart
     31  void RestoreOldStream();  // called after unsuccessful ice restart
     32 
     33  // Transport layer overrides.
     34  TransportResult SendPacket(MediaPacket& packet) override;
     35 
     36  // Slots for ICE
     37  void IceCandidate(NrIceMediaStream* stream, const std::string&);
     38  void IceReady(NrIceMediaStream* stream);
     39  void IceFailed(NrIceMediaStream* stream);
     40  void IcePacketReceived(NrIceMediaStream* stream, int component,
     41                         const unsigned char* data, int len);
     42 
     43  // Useful for capturing encrypted packets
     44  sigslot::signal2<TransportLayer*, MediaPacket&> SignalPacketSending;
     45 
     46  TRANSPORT_LAYER_ID("ice")
     47 
     48 private:
     49  DISALLOW_COPY_ASSIGN(TransportLayerIce);
     50  void PostSetup();
     51 
     52  RefPtr<NrIceMediaStream> stream_;
     53  int component_;
     54 };
     55 
     56 }  // namespace mozilla
     57 #endif