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      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_
     47