1// Copyright (c) 2013 The Chromium Authors. All rights reserved.
2// Use of this source code is governed by a BSD-style license that can be
3// found in the LICENSE file.
4
5#ifndef NET_QUIC_CONGESTION_CONTROL_INTER_ARRIVAL_RECEIVER_H_
6#define NET_QUIC_CONGESTION_CONTROL_INTER_ARRIVAL_RECEIVER_H_
7
8#include "base/basictypes.h"
9#include "base/compiler_specific.h"
10#include "net/base/net_export.h"
11#include "net/quic/congestion_control/receive_algorithm_interface.h"
12#include "net/quic/quic_clock.h"
13#include "net/quic/quic_protocol.h"
14
15namespace net {
16
17class NET_EXPORT_PRIVATE InterArrivalReceiver
18    : public ReceiveAlgorithmInterface {
19 public:
20  InterArrivalReceiver();
21  virtual ~InterArrivalReceiver();
22
23  // Start implementation of ReceiveAlgorithmInterface.
24  virtual bool GenerateCongestionFeedback(
25      QuicCongestionFeedbackFrame* feedback) OVERRIDE;
26
27  virtual void RecordIncomingPacket(QuicByteCount bytes,
28                                    QuicPacketSequenceNumber sequence_number,
29                                    QuicTime timestamp,
30                                    bool revived) OVERRIDE;
31  // End implementation of ReceiveAlgorithmInterface.
32
33 private:
34  // We need to keep track of FEC recovered packets.
35  int accumulated_number_of_recoverd_lost_packets_;
36
37  // The set of received packets since the last feedback was sent, along with
38  // their arrival times.
39  TimeMap received_packet_times_;
40
41  DISALLOW_COPY_AND_ASSIGN(InterArrivalReceiver);
42};
43
44}  // namespace net
45
46#endif  // NET_QUIC_CONGESTION_CONTROL_INTER_ARRIVAL_RECEIVER_H_
47