Landing Recent QUIC changes until 2015-11-09 20:32 UTC

net/quic/congestion_control/rtt_stats.h

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 //
 // A convenience class to store rtt samples and calculate smoothed rtt.
 
 #ifndef NET_QUIC_CONGESTION_CONTROL_RTT_STATS_H_
 #define NET_QUIC_CONGESTION_CONTROL_RTT_STATS_H_
 
 #include <algorithm>
@@ skipping 20 matching lines @@
 
   // Causes the smoothed_rtt to be increased to the latest_rtt if the latest_rtt
   // is larger. The mean deviation is increased to the most recent deviation if
   // it's larger.
   void ExpireSmoothedMetrics();
 
   // Forces RttStats to sample a new recent min rtt within the next
   // |num_samples| UpdateRtt calls.
   void SampleNewRecentMinRtt(uint32 num_samples);
 
+  // Called when connection migrates and rtt measurement needs to be reset.
+  void OnConnectionMigration() {}
+
   // Returns the EWMA smoothed RTT for the connection.
   // May return Zero if no valid updates have occurred.
   QuicTime::Delta smoothed_rtt() const {
     return smoothed_rtt_;
   }
 
   int64 initial_rtt_us() const {
     return initial_rtt_us_;
   }
 
@@ skipping 65 matching lines @@
   RttSample recent_min_rtt_;  // a in the windowed algorithm.
   RttSample half_window_rtt_;  // b in the sampled algorithm.
   RttSample quarter_window_rtt_;  // c in the sampled algorithm.
 
   DISALLOW_COPY_AND_ASSIGN(RttStats);
 };
 
 }  // namespace net
 
 #endif  // NET_QUIC_CONGESTION_CONTROL_RTT_STATS_H_