src/net/quic/congestion_control/inter_arrival_receiver.h

   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
  15 namespace net {
  16
  17 class 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_