A Discrete-Event Network Simulator
API
tcp-highspeed.h
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1 /* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
2 /*
3  * Copyright (c) 2014 Natale Patriciello, <natale.patriciello@gmail.com>
4  *
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19 
20 #ifndef TCPHIGHSPEED_H
21 #define TCPHIGHSPEED_H
22 
23 #include "tcp-congestion-ops.h"
24 
25 namespace ns3 {
26 
27 class TcpSocketState;
28 
49 class TcpHighSpeed : public TcpNewReno
50 {
51 public:
56  static TypeId GetTypeId (void);
57 
61  TcpHighSpeed (void);
62 
67  TcpHighSpeed (const TcpHighSpeed& sock);
68  virtual ~TcpHighSpeed (void);
69 
70  virtual std::string GetName () const;
71 
72  virtual uint32_t GetSsThresh (Ptr<const TcpSocketState> tcb,
73  uint32_t bytesInFlight);
74 
75  virtual Ptr<TcpCongestionOps> Fork ();
76 
84  static uint32_t TableLookupA (uint32_t w);
85 
93  static double TableLookupB (uint32_t w);
94 
95 protected:
96  virtual void CongestionAvoidance (Ptr<TcpSocketState> tcb, uint32_t segmentsAcked);
97 
98 private:
99  uint32_t m_ackCnt;
100 };
101 
102 } // namespace ns3
103 
104 #endif // TCPHIGHSPEED_H
Smart pointer class similar to boost::intrusive_ptr.
Definition: ptr.h:74
An implementation of TCP HighSpeed.
Definition: tcp-highspeed.h:50
static double TableLookupB(uint32_t w)
Lookup table for the coefficient b (from RFC 3649)
virtual Ptr< TcpCongestionOps > Fork()
Copy the congestion control algorithm across sockets.
static uint32_t TableLookupA(uint32_t w)
Lookup table for the coefficient a (from RFC 3649)
TcpHighSpeed(void)
Create an unbound tcp socket.
static TypeId GetTypeId(void)
Get the type ID.
virtual void CongestionAvoidance(Ptr< TcpSocketState > tcb, uint32_t segmentsAcked)
Congestion avoidance of TcpHighSpeed.
virtual uint32_t GetSsThresh(Ptr< const TcpSocketState > tcb, uint32_t bytesInFlight)
Get slow start threshold following HighSpeed principles.
uint32_t m_ackCnt
Number of received ACK, corrected with the coefficient a.
Definition: tcp-highspeed.h:99
virtual std::string GetName() const
Get the name of the congestion control algorithm.
virtual ~TcpHighSpeed(void)
The NewReno implementation.
a unique identifier for an interface.
Definition: type-id.h:59
Every class exported by the ns3 library is enclosed in the ns3 namespace.