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 14 matching lines @@
 
 void TransportChannel::set_receiving(bool receiving) {
   if (receiving_ == receiving) {
     return;
   }
   receiving_ = receiving;
   SignalReceivingState(this);
 }
 
 void TransportChannel::set_writable(bool writable) {
-  if (writable_ != writable) {
-    LOG_J(LS_VERBOSE, this) << "set_writable from:" << writable_ << " to "
-                            << writable;
-    writable_ = writable;
-    if (writable_) {
-      SignalReadyToSend(this);
-    }
-    SignalWritableState(this);
+  if (writable_ == writable) {
+    return;
   }
+  LOG_J(LS_VERBOSE, this) << "set_writable from:" << writable_ << " to "
+                          << writable;
+  writable_ = writable;
+  if (writable_) {
+    SignalReadyToSend(this);
+  }
+  SignalWritableState(this);
+}
+
+void TransportChannel::set_dtls_state(DtlsTransportState state) {
+  if (dtls_state_ == state) {
+    return;
+  }
+  LOG_J(LS_VERBOSE, this) << "set_dtls_state from:" << dtls_state_ << " to "
+                          << state;
+  dtls_state_ = state;
+  SignalDtlsState(this);
 }
 
 }  // namespace cricket