tcp-channel.hpp
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3  * Copyright (c) 2014-2017, 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.
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25 
26 #ifndef NFD_DAEMON_FACE_TCP_CHANNEL_HPP
27 #define NFD_DAEMON_FACE_TCP_CHANNEL_HPP
28 
29 #include "channel.hpp"
30 #include "core/scheduler.hpp"
31 
32 namespace nfd {
33 
34 namespace tcp {
35 typedef boost::asio::ip::tcp::endpoint Endpoint;
36 } // namespace tcp
37 
38 namespace face {
39 
47 class TcpChannel : public Channel
48 {
49 public:
56  explicit
57  TcpChannel(const tcp::Endpoint& localEndpoint);
58 
59  bool
60  isListening() const override
61  {
62  return m_acceptor.is_open();
63  }
64 
65  size_t
66  size() const override
67  {
68  return m_channelFaces.size();
69  }
70 
80  void
81  listen(const FaceCreatedCallback& onFaceCreated,
82  const FaceCreationFailedCallback& onAcceptFailed,
83  int backlog = boost::asio::ip::tcp::acceptor::max_connections);
84 
88  void
89  connect(const tcp::Endpoint& remoteEndpoint,
90  ndn::nfd::FacePersistency persistency,
91  bool wantLocalFields,
92  bool wantLpReliability,
93  const FaceCreatedCallback& onFaceCreated,
94  const FaceCreationFailedCallback& onConnectFailed,
95  time::nanoseconds timeout = time::seconds(4));
96 
97 private:
98  struct ConnectParams
99  {
100  ndn::nfd::FacePersistency persistency;
101  bool wantLocalFields;
102  bool wantLpReliability;
103  };
104 
105 private:
106  void
107  createFace(boost::asio::ip::tcp::socket&& socket,
108  ndn::nfd::FacePersistency persistency,
109  bool wantLocalFields,
110  bool wantLpReliability,
111  const FaceCreatedCallback& onFaceCreated);
112 
113  void
114  accept(const FaceCreatedCallback& onFaceCreated,
115  const FaceCreationFailedCallback& onAcceptFailed);
116 
117  void
118  handleAccept(const boost::system::error_code& error,
119  const FaceCreatedCallback& onFaceCreated,
120  const FaceCreationFailedCallback& onAcceptFailed);
121 
122  void
123  handleConnect(const boost::system::error_code& error,
124  const tcp::Endpoint& remoteEndpoint,
125  const shared_ptr<boost::asio::ip::tcp::socket>& socket,
126  ConnectParams params,
127  const scheduler::EventId& connectTimeoutEvent,
128  const FaceCreatedCallback& onFaceCreated,
129  const FaceCreationFailedCallback& onConnectFailed);
130 
131  void
132  handleConnectTimeout(const tcp::Endpoint& remoteEndpoint,
133  const shared_ptr<boost::asio::ip::tcp::socket>& socket,
134  const FaceCreationFailedCallback& onConnectFailed);
135 
136 private:
137  const tcp::Endpoint m_localEndpoint;
138  boost::asio::ip::tcp::acceptor m_acceptor;
139  boost::asio::ip::tcp::socket m_socket;
140  std::map<tcp::Endpoint, shared_ptr<Face>> m_channelFaces;
141 };
142 
143 } // namespace face
144 } // namespace nfd
145 
146 #endif // NFD_DAEMON_FACE_TCP_CHANNEL_HPP
Class implementing TCP-based channel to create faces.
Definition: tcp-channel.hpp:47
bool isListening() const override
Returns whether the channel is listening.
Definition: tcp-channel.hpp:60
Copyright (c) 2014-2015, Regents of the University of California, Arizona Board of Regents...
Definition: algorithm.hpp:32
boost::asio::ip::tcp::endpoint Endpoint
Definition: tcp-channel.hpp:35
size_t size() const override
Returns the number of faces in the channel.
Definition: tcp-channel.hpp:66
function< void(uint32_t status, const std::string &reason)> FaceCreationFailedCallback
Prototype for the callback that is invoked when a face fails to be created.
Definition: channel.hpp:44
represent a channel that communicates on a local endpoint
Definition: channel.hpp:52
function< void(const shared_ptr< Face > &newFace)> FaceCreatedCallback
Prototype for the callback that is invoked when a face is created (in response to an incoming connect...
Definition: channel.hpp:35