NS-3 based Named Data Networking (NDN) simulator
ndnSIM 2.5: NDN, CCN, CCNx, content centric networks
API Documentation
self-learning-strategy.hpp
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1 /* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
2 /*
3  * Copyright (c) 2014-2019, Regents of the University of California,
4  * Arizona Board of Regents,
5  * Colorado State University,
6  * University Pierre & Marie Curie, Sorbonne University,
7  * Washington University in St. Louis,
8  * Beijing Institute of Technology,
9  * The University of Memphis.
10  *
11  * This file is part of NFD (Named Data Networking Forwarding Daemon).
12  * See AUTHORS.md for complete list of NFD authors and contributors.
13  *
14  * NFD is free software: you can redistribute it and/or modify it under the terms
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25 
26 #ifndef NFD_DAEMON_FW_SELF_LEARNING_STRATEGY_HPP
27 #define NFD_DAEMON_FW_SELF_LEARNING_STRATEGY_HPP
28 
29 #include "fw/strategy.hpp"
30 
32 
33 namespace nfd {
34 namespace fw {
35 
44 {
45 public:
46  explicit
47  SelfLearningStrategy(Forwarder& forwarder, const Name& name = getStrategyName());
48 
49  static const Name&
51 
53  class InRecordInfo : public StrategyInfo
54  {
55  public:
56  static constexpr int
58  {
59  return 1040;
60  }
61 
62  public:
63  bool isNonDiscoveryInterest = false;
64  };
65 
67  class OutRecordInfo : public StrategyInfo
68  {
69  public:
70  static constexpr int
72  {
73  return 1041;
74  }
75 
76  public:
77  bool isNonDiscoveryInterest = false;
78  };
79 
80 public: // triggers
81  void
82  afterReceiveInterest(const Face& inFace, const Interest& interest,
83  const shared_ptr<pit::Entry>& pitEntry) override;
84 
85  void
86  afterReceiveData(const shared_ptr<pit::Entry>& pitEntry,
87  const Face& inFace, const Data& data) override;
88 
89  void
90  afterReceiveNack(const Face& inFace, const lp::Nack& nack,
91  const shared_ptr<pit::Entry>& pitEntry) override;
92 
93 private: // operations
94 
103  void
104  broadcastInterest(const Interest& interest, const Face& inFace,
105  const shared_ptr<pit::Entry>& pitEntry);
106 
109  void
110  multicastInterest(const Interest& interest, const Face& inFace,
111  const shared_ptr<pit::Entry>& pitEntry,
112  const fib::NextHopList& nexthops);
113 
117  void
118  asyncProcessData(const shared_ptr<pit::Entry>& pitEntry, const Face& inFace, const Data& data);
119 
127  static bool
128  needPrefixAnn(const shared_ptr<pit::Entry>& pitEntry);
129 
132  void
133  addRoute(const shared_ptr<pit::Entry>& pitEntry, const Face& inFace,
134  const Data& data, const ndn::PrefixAnnouncement& pa);
135 
138  void
139  renewRoute(const Name& name, FaceId inFaceId, time::milliseconds maxLifetime);
140 
141 private:
142  static const time::milliseconds ROUTE_RENEW_LIFETIME;
143 };
144 
145 } // namespace fw
146 } // namespace nfd
147 
148 #endif // NFD_DAEMON_FW_SELF_LEARNING_STRATEGY_HPP
SelfLearningStrategy(Forwarder &forwarder, const Name &name=getStrategyName())
generalization of a network interface
Definition: face.hpp:67
main class of NFD
Definition: forwarder.hpp:54
Represents an Interest packet.
Definition: interest.hpp:44
void afterReceiveData(const shared_ptr< pit::Entry > &pitEntry, const Face &inFace, const Data &data) override
trigger after Data is received
Represents a collection of nexthops.
void afterReceiveNack(const Face &inFace, const lp::Nack &nack, const shared_ptr< pit::Entry > &pitEntry) override
trigger after Nack is received
A prefix announcement object that represents an application's intent of registering a prefix toward i...
represents a Network Nack
Definition: nack.hpp:38
Copyright (c) 2011-2015 Regents of the University of California.
Definition: ndn-common.hpp:40
Represents an absolute name.
Definition: name.hpp:43
represents a forwarding strategy
Definition: strategy.hpp:37
uint64_t FaceId
identifies a face
Definition: face.hpp:39
Represents a Data packet.
Definition: data.hpp:35
void afterReceiveInterest(const Face &inFace, const Interest &interest, const shared_ptr< pit::Entry > &pitEntry) override
trigger after Interest is received
contains arbitrary information forwarding strategy places on table entries