Exposing DTLS transport state from TransportChannel.

webrtc/p2p/base/transportchannel.cc

 /*
  *  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 25 matching lines @@
     LOG_J(LS_VERBOSE, this) << "set_writable from:" << writable_ << " to "
                             << writable;
     writable_ = writable;
     if (writable_) {
       SignalReadyToSend(this);
     }
     SignalWritableState(this);
   }
 }
 
+void TransportChannel::set_dtls_transport_state(DtlsTransportState state) {
+  if (dtls_transport_state_ != state) {

[pthatcher1, 2015/10/20 20:28:06]

Nit: I'd prefer an early return

if (dtls_transport_state_ == state) {
  return;
}

...

[Taylor Brandstetter, 2015/10/21 16:28:16]

Done.

+    LOG_J(LS_VERBOSE, this)
+        << "set_dtls_transport_state from:" << dtls_transport_state_ << " to "
+        << state;
+    dtls_transport_state_ = state;
+    SignalDtlsTransportState(this);
+  }
+}
+
 }  // namespace cricket