Land Recent QUIC Changes.

net/quic/congestion_control/fix_rate_sender.h

-// Copyright (c) 2012 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.
-//
-// Fix rate send side congestion control, used for testing.
-
-#ifndef NET_QUIC_CONGESTION_CONTROL_FIX_RATE_SENDER_H_
-#define NET_QUIC_CONGESTION_CONTROL_FIX_RATE_SENDER_H_
-
-#include "base/basictypes.h"
-#include "base/compiler_specific.h"
-#include "net/base/net_export.h"
-#include "net/quic/quic_clock.h"
-#include "net/quic/quic_connection_stats.h"
-#include "net/quic/quic_time.h"
-#include "net/quic/congestion_control/leaky_bucket.h"
-#include "net/quic/congestion_control/send_algorithm_interface.h"
-
-namespace net {
-
-class RttStats;
-
-class NET_EXPORT_PRIVATE FixRateSender : public SendAlgorithmInterface {
- public:
-  explicit FixRateSender(const RttStats* rtt_stats);
-  virtual ~FixRateSender();
-
-  // Start implementation of SendAlgorithmInterface.
-  virtual void SetFromConfig(const QuicConfig& config, bool is_server) OVERRIDE;
-  virtual void OnIncomingQuicCongestionFeedbackFrame(
-      const QuicCongestionFeedbackFrame& feedback,
-      QuicTime feedback_receive_time) OVERRIDE;
-  virtual void OnCongestionEvent(bool rtt_updated,
-                                 QuicByteCount bytes_in_flight,
-                                 const CongestionMap& acked_packets,
-                                 const CongestionMap& lost_packets) OVERRIDE;
-  virtual bool OnPacketSent(
-      QuicTime sent_time,
-      QuicByteCount bytes_in_flight,
-      QuicPacketSequenceNumber sequence_number,
-      QuicByteCount bytes,
-      HasRetransmittableData has_retransmittable_data) OVERRIDE;
-  virtual void OnRetransmissionTimeout(bool packets_retransmitted) OVERRIDE;
-  virtual void RevertRetransmissionTimeout() OVERRIDE;
-  virtual QuicTime::Delta TimeUntilSend(
-      QuicTime now,
-      QuicByteCount bytes_in_flight,
-      HasRetransmittableData has_retransmittable_data) const OVERRIDE;
-  virtual QuicBandwidth BandwidthEstimate() const OVERRIDE;
-  virtual bool HasReliableBandwidthEstimate() const OVERRIDE;
-  virtual QuicTime::Delta RetransmissionDelay() const OVERRIDE;
-  virtual QuicByteCount GetCongestionWindow() const OVERRIDE;
-  virtual bool InSlowStart() const OVERRIDE;
-  virtual QuicByteCount GetSlowStartThreshold() const OVERRIDE;
-  virtual CongestionControlType GetCongestionControlType() const OVERRIDE;
-  // End implementation of SendAlgorithmInterface.
-
- private:
-  QuicByteCount CongestionWindow() const;
-
-  const RttStats* rtt_stats_;
-  QuicBandwidth bitrate_;
-  QuicByteCount max_segment_size_;
-  LeakyBucket fix_rate_leaky_bucket_;
-  QuicTime::Delta latest_rtt_;
-
-  DISALLOW_COPY_AND_ASSIGN(FixRateSender);
-};
-
-}  // namespace net
-
-#endif  // NET_QUIC_CONGESTION_CONTROL_FIX_RATE_SENDER_H_