Notfiy NQE of QUIC RTT

net/quic/quic_connection_logger.h

 // Copyright (c) 2013 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.
 
 #ifndef NET_QUIC_QUIC_CONNECTION_LOGGER_H_
 #define NET_QUIC_QUIC_CONNECTION_LOGGER_H_
 
 #include <bitset>
 
 #include "net/base/ip_endpoint.h"
 #include "net/base/network_change_notifier.h"
+#include "net/base/socket_performance_watcher.h"
 #include "net/log/net_log.h"
 #include "net/quic/quic_connection.h"
 #include "net/quic/quic_protocol.h"
 #include "net/quic/quic_spdy_session.h"
 
 namespace net {
 namespace test {
 class QuicConnectionLoggerPeer;
 }  // namespace test
 
 class CryptoHandshakeMessage;
 class CertVerifyResult;
 
 // This class is a debug visitor of a QuicConnection which logs
 // events to |net_log|.
 class NET_EXPORT_PRIVATE QuicConnectionLogger
     : public QuicConnectionDebugVisitor {
  public:
-  QuicConnectionLogger(QuicSpdySession* session,
-                       const char* const connection_description,
-                       const BoundNetLog& net_log);
+  QuicConnectionLogger(
+      QuicSpdySession* session,
+      const char* const connection_description,
+      scoped_ptr<SocketPerformanceWatcher> socket_performance_watcher,
+      const BoundNetLog& net_log);
 
   ~QuicConnectionLogger() override;
 
   // QuicPacketGenerator::DebugDelegateInterface
   void OnFrameAddedToPacket(const QuicFrame& frame) override;
 
   // QuicConnectionDebugVisitorInterface
   void OnPacketSent(const SerializedPacket& serialized_packet,
                     QuicPacketNumber original_packet_number,
                     EncryptionLevel level,
@@ skipping 18 matching lines @@
   void OnBlockedFrame(const QuicBlockedFrame& frame) override;
   void OnGoAwayFrame(const QuicGoAwayFrame& frame) override;
   void OnPingFrame(const QuicPingFrame& frame) override;
   void OnPublicResetPacket(const QuicPublicResetPacket& packet) override;
   void OnVersionNegotiationPacket(
       const QuicVersionNegotiationPacket& packet) override;
   void OnRevivedPacket(const QuicPacketHeader& revived_header,
                        base::StringPiece payload) override;
   void OnConnectionClosed(QuicErrorCode error, bool from_peer) override;
   void OnSuccessfulVersionNegotiation(const QuicVersion& version) override;
+  void OnRttChanged(QuicTime::Delta rtt) const override;
 
   void OnCryptoHandshakeMessageReceived(
       const CryptoHandshakeMessage& message);
   void OnCryptoHandshakeMessageSent(
       const CryptoHandshakeMessage& message);
   void UpdateReceivedFrameCounts(QuicStreamId stream_id,
                                  int num_frames_received,
                                  int num_duplicate_frames_received);
   void OnCertificateVerified(const CertVerifyResult& result);
 
@@ skipping 91 matching lines @@
   // false means never received.  Zero is not a valid packet number, so
   // that offset is never used, and we'll track 150 packets.
   std::bitset<151> received_packets_;
   // Vector to indicate which of the initial 150 received packets turned out to
   // contain solo ACK frames.  An element is true iff an ACK frame was in the
   // corresponding packet, and there was very little else.
   std::bitset<151> received_acks_;
   // The available type of connection (WiFi, 3G, etc.) when connection was first
   // used.
   const char* const connection_description_;
+  // Receives notifications regarding the performance of the underlying socket
+  // for the QUIC connection. May be null.
+  const scoped_ptr<SocketPerformanceWatcher> socket_performance_watcher_;
 
   DISALLOW_COPY_AND_ASSIGN(QuicConnectionLogger);
 };
 
 }  // namespace net
 
 #endif  // NET_QUIC_QUIC_CONNECTION_LOGGER_H_