internal-transport.hpp
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1 /* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
2 /*
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.
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
15  * of the GNU General Public License as published by the Free Software Foundation,
16  * either version 3 of the License, or (at your option) any later version.
17  *
18  * NFD is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
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20  * PURPOSE. See the GNU General Public License for more details.
21  *
22  * You should have received a copy of the GNU General Public License along with
23  * NFD, e.g., in COPYING.md file. If not, see <http://www.gnu.org/licenses/>.
24  */
25 
26 #ifndef NFD_DAEMON_FACE_INTERNAL_TRANSPORT_HPP
27 #define NFD_DAEMON_FACE_INTERNAL_TRANSPORT_HPP
28 
29 #include "transport.hpp"
30 #include <ndn-cxx/transport/transport.hpp>
31 
32 namespace nfd {
33 namespace face {
34 
38 {
39 public:
40  virtual
41  ~InternalTransportBase() = default;
42 
45  virtual void
46  receiveFromLink(const Block& packet) = 0;
47 
48  signal::Signal<InternalTransportBase, Block> afterSend;
49 
50 protected:
51  DECLARE_SIGNAL_EMIT(afterSend)
52 };
53 
57 {
58 public:
59  InternalForwarderTransport(const FaceUri& localUri = FaceUri("internal://"),
60  const FaceUri& remoteUri = FaceUri("internal://"),
61  ndn::nfd::FaceScope scope = ndn::nfd::FACE_SCOPE_LOCAL,
62  ndn::nfd::LinkType linkType = ndn::nfd::LINK_TYPE_POINT_TO_POINT);
63 
64  void
65  receiveFromLink(const Block& packet) override;
66 
67 protected:
68  void
69  doClose() override;
70 
71 private:
72  void
73  doSend(Packet&& packet) override;
74 
75 private:
77 };
78 
81 class InternalClientTransport : public ndn::Transport, public InternalTransportBase
82 {
83 public:
92  void
93  connectToForwarder(InternalForwarderTransport* forwarderTransport);
94 
95  void
96  receiveFromLink(const Block& packet) override;
97 
98  void
99  close() override
100  {
101  }
102 
103  void
104  pause() override
105  {
106  }
107 
108  void
109  resume() override
110  {
111  }
112 
113  void
114  send(const Block& wire) override;
115 
116  void
117  send(const Block& header, const Block& payload) override;
118 
119 private:
121 
122  signal::ScopedConnection m_fwToClientTransmitConn;
123  signal::ScopedConnection m_clientToFwTransmitConn;
124  signal::ScopedConnection m_fwTransportStateConn;
125 };
126 
127 } // namespace face
128 } // namespace nfd
129 
130 #endif // NFD_DAEMON_FACE_INTERNAL_TRANSPORT_HPP
virtual ~InternalTransportBase()=default
implements a forwarder-side transport that can be paired with another
#define NFD_LOG_INCLASS_DECLARE()
Definition: logger.hpp:125
virtual void receiveFromLink(const Block &packet)=0
causes the transport to receive a link-layer packet
the lower part of a Face
Definition: transport.hpp:104
stores a packet along with the remote endpoint
Definition: transport.hpp:113
Copyright (c) 2014-2015, Regents of the University of California, Arizona Board of Regents...
Definition: algorithm.hpp:32
signal::Signal< InternalTransportBase, Block > afterSend
abstracts a transport that can be paired with another
implements a client-side transport that can be paired with another