NS-3 based Named Data Networking (NDN) simulator
ndnSIM 2.0: NDN, CCN, CCNx, content centric networks
API Documentation
udp-channel.hpp
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1 /* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
26 #ifndef NFD_DAEMON_FACE_UDP_CHANNEL_HPP
27 #define NFD_DAEMON_FACE_UDP_CHANNEL_HPP
28 
29 #include "channel.hpp"
30 
31 namespace nfd {
32 
33 namespace udp {
34 typedef boost::asio::ip::udp::endpoint Endpoint;
35 } // namespace udp
36 
40 class UdpChannel : public Channel
41 {
42 public:
53  UdpChannel(const udp::Endpoint& localEndpoint,
54  const time::seconds& timeout);
55 
59  size_t
60  size() const;
61 
67  void
68  connect(const udp::Endpoint& remoteEndpoint,
69  ndn::nfd::FacePersistency persistency,
70  const FaceCreatedCallback& onFaceCreated,
71  const FaceCreationFailedCallback& onConnectFailed);
72 
85  void
86  listen(const FaceCreatedCallback& onFaceCreated,
87  const FaceCreationFailedCallback& onReceiveFailed);
88 
89  bool
90  isListening() const;
91 
92 private:
93  void
94  waitForNewPeer(const FaceCreatedCallback& onFaceCreated,
95  const FaceCreationFailedCallback& onReceiveFailed);
96 
101  void
102  handleNewPeer(const boost::system::error_code& error,
103  size_t nBytesReceived,
104  const FaceCreatedCallback& onFaceCreated,
105  const FaceCreationFailedCallback& onReceiveFailed);
106 
107  std::pair<bool, shared_ptr<Face>>
108  createFace(const udp::Endpoint& remoteEndpoint, ndn::nfd::FacePersistency persistency);
109 
110 private:
111  std::map<udp::Endpoint, shared_ptr<Face>> m_channelFaces;
112 
113  udp::Endpoint m_localEndpoint;
114 
118  udp::Endpoint m_remoteEndpoint;
119 
123  boost::asio::ip::udp::socket m_socket;
124 
128  time::seconds m_idleFaceTimeout;
129 
130  uint8_t m_inputBuffer[ndn::MAX_NDN_PACKET_SIZE];
131 };
132 
133 inline bool
135 {
136  return m_socket.is_open();
137 }
138 
139 } // namespace nfd
140 
141 #endif // NFD_DAEMON_FACE_UDP_CHANNEL_HPP
function< void(const std::string &reason)> FaceCreationFailedCallback
Prototype for the callback that is invoked when the face fails to be created.
Definition: channel.hpp:44
Class implementing UDP-based channel to create faces.
Definition: udp-channel.hpp:40
UdpChannel
Definition: udp-channel.cpp:33
Copyright (c) 2011-2015 Regents of the University of California.
Definition: ndn-common.hpp:40
bool isListening() const
boost::asio::ip::udp::endpoint Endpoint
Definition: udp-channel.hpp:34
function< void(const shared_ptr< Face > &newFace)> FaceCreatedCallback
Prototype for the callback that is invoked when the face is created (as a response to incoming connec...
Definition: channel.hpp:38
const size_t MAX_NDN_PACKET_SIZE
practical limit of network layer packet size
Definition: tlv.hpp:39