Bug 4865: Enable connectivity when the remote peer is on public internet.

webrtc/base/ipaddress.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 36 matching lines @@
 static in_addr ExtractMappedAddress(const in6_addr& addr);
 
 uint32 IPAddress::v4AddressAsHostOrderInteger() const {
   if (family_ == AF_INET) {
     return NetworkToHost32(u_.ip4.s_addr);
   } else {
     return 0;
   }
 }
 
+bool IPAddress::IsNil() const {
+  return IPIsUnspec(*this);
+}
+
 size_t IPAddress::Size() const {
   switch (family_) {
     case AF_INET:
       return sizeof(in_addr);
     case AF_INET6:
       return sizeof(in6_addr);
   }
   return 0;
 }
 
@@ skipping 421 matching lines @@
       return 1;
     } else {
       // A 'normal' IPv6 address.
       return 40;
     }
   }
   return 0;
 }
 
 }  // Namespace talk base