Parse the connection data in SDP (c= line).

webrtc/p2p/base/port.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 63 matching lines @@
 // Weighting of the old rtt value to new data.
 const int RTT_RATIO = 3;  // 3 : 1
 
 // The delay before we begin checking if this port is useless. We set
 // it to a little higher than a total STUN timeout.
 const int kPortTimeoutDelay = cricket::STUN_TOTAL_TIMEOUT + 5000;
 }  // namespace
 
 namespace cricket {
 
-// TODO(ronghuawu): Use "host", "srflx", "prflx" and "relay". But this requires
+// TODO(ronghuawu): Use "local", "srflx", "prflx" and "relay". But this requires
 // the signaling part be updated correspondingly as well.
 const char LOCAL_PORT_TYPE[] = "local";
 const char STUN_PORT_TYPE[] = "stun";
 const char PRFLX_PORT_TYPE[] = "prflx";
 const char RELAY_PORT_TYPE[] = "relay";
 
 const char UDP_PROTOCOL_NAME[] = "udp";
 const char TCP_PROTOCOL_NAME[] = "tcp";
 const char SSLTCP_PROTOCOL_NAME[] = "ssltcp";
 const char TLS_PROTOCOL_NAME[] = "tls";
@@ skipping 1517 matching lines @@
     RTC_DCHECK(sent < 0);
     error_ = port_->GetError();
     stats_.sent_discarded_packets++;
   } else {
     send_rate_tracker_.AddSamples(sent);
   }
   return sent;
 }
 
 }  // namespace cricket