Exposing DTLS transport state from TransportChannel.

webrtc/p2p/base/transport.h

 /*
  *  Copyright 2004 The WebRTC Project Authors. All rights reserved.
  *
  *  Use of this source code is governed by a BSD-style license
  *  that can be found in the LICENSE file in the root of the source
  *  tree. An additional intellectual property rights grant can be found
  *  in the file PATENTS.  All contributing project authors may
  *  be found in the AUTHORS file in the root of the source tree.
  */
 
@@ skipping 38 matching lines @@
 // once /talk/ and /webrtc/ are combined, and also switch to ENUM_NAME naming
 // style.
 enum IceConnectionState {
   kIceConnectionConnecting = 0,
   kIceConnectionFailed,
   kIceConnectionConnected,  // Writable, but still checking one or more
                             // connections
   kIceConnectionCompleted,
 };
 
+enum DtlsTransportState {
+  // Haven't started negotiating.
+  DTLS_TRANSPORT_NEW = 0,
+  // Have started negotiating.
+  DTLS_TRANSPORT_CONNECTING,
+  // Negotiated, and has a secure connection.
+  DTLS_TRANSPORT_CONNECTED,
+  // Transport is closed.
+  DTLS_TRANSPORT_CLOSED,
+  // Failed due to some error in the handshake process.
+  DTLS_TRANSPORT_FAILED,
+};
+
 // TODO(deadbeef): Unify with PeerConnectionInterface::IceConnectionState
 // once /talk/ and /webrtc/ are combined, and also switch to ENUM_NAME naming
 // style.
 enum IceGatheringState {
   kIceGatheringNew = 0,
   kIceGatheringGathering,
   kIceGatheringComplete,
 };
 
 // Stats that we can return about the connections for a transport channel.
@@ skipping 231 matching lines @@
 
   ChannelMap channels_;
 
   RTC_DISALLOW_COPY_AND_ASSIGN(Transport);
 };
 
 
 }  // namespace cricket
 
 #endif  // WEBRTC_P2P_BASE_TRANSPORT_H_