Using fake clock for TURN port tests and un-disabling some tests.

webrtc/base/virtualsocketserver.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 753 matching lines @@
                             new MessageAddress(addr));
   } else {
     LOG(LS_INFO) << "No one listening at " << remote_addr;
     msg_queue_->PostDelayed(RTC_FROM_HERE, delay, socket, MSG_ID_DISCONNECT);
   }
   return 0;
 }
 
 bool VirtualSocketServer::Disconnect(VirtualSocket* socket) {
   if (socket) {
+    // If we simulate packets being delayed, we should simulate the
+    // equivalent of a FIN being delayed as well.
+    uint32_t delay = GetRandomTransitDelay();

[Taylor Brandstetter, 2016/06/24 16:33:40]

This is needed for the "TCP release allocation" test. When the TURN port is
destroyed it sends a packet to release the allocation, but if we don't delay the
"MSG_ID_DISCONNECT", the receiving socket is already destroyed by the time the
packet arrives, in essence.

     // Remove the mapping.
-    msg_queue_->Post(RTC_FROM_HERE, socket, MSG_ID_DISCONNECT);
+    msg_queue_->PostDelayed(RTC_FROM_HERE, delay, socket, MSG_ID_DISCONNECT);
     return true;
   }
   return false;
 }
 
 int VirtualSocketServer::SendUdp(VirtualSocket* socket,
                                  const char* data, size_t data_size,
                                  const SocketAddress& remote_addr) {
   // See if we want to drop this packet.
   if (Random() < drop_prob_) {
@@ skipping 355 matching lines @@
 void VirtualSocketServer::SetDefaultRoute(const IPAddress& from_addr) {
   RTC_DCHECK(!IPIsAny(from_addr));
   if (from_addr.family() == AF_INET) {
     default_route_v4_ = from_addr;
   } else if (from_addr.family() == AF_INET6) {
     default_route_v6_ = from_addr;
   }
 }
 
 }  // namespace rtc