NS-3 based Named Data Networking (NDN) simulator
ndnSIM 2.5: NDN, CCN, CCNx, content centric networks
API Documentation
tcp_echo_server.hpp
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1 /*
2  * Copyright (c) 2015, Peter Thorson. All rights reserved.
3  *
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26 
37 
38 using websocketpp::lib::placeholders::_1;
39 using websocketpp::lib::placeholders::_2;
40 using websocketpp::lib::bind;
41 
42 namespace asio = websocketpp::lib::asio;
43 
44 struct tcp_echo_session : websocketpp::lib::enable_shared_from_this<tcp_echo_session> {
45  typedef websocketpp::lib::shared_ptr<tcp_echo_session> ptr;
46 
47  tcp_echo_session(asio::io_service & service) : m_socket(service) {}
48 
49  void start() {
50  m_socket.async_read_some(asio::buffer(m_buffer, sizeof(m_buffer)),
51  websocketpp::lib::bind(
52  &tcp_echo_session::handle_read, shared_from_this(), _1, _2));
53  }
54 
55  void handle_read(const asio::error_code & ec, size_t transferred) {
56  if (!ec) {
57  asio::async_write(m_socket,
58  asio::buffer(m_buffer, transferred),
59  bind(&tcp_echo_session::handle_write, shared_from_this(), _1));
60  }
61  }
62 
63  void handle_write(const asio::error_code & ec) {
64  if (!ec) {
65  m_socket.async_read_some(asio::buffer(m_buffer, sizeof(m_buffer)),
66  bind(&tcp_echo_session::handle_read, shared_from_this(), _1, _2));
67  }
68  }
69 
71  char m_buffer[1024];
72 };
73 
75  tcp_echo_server(asio::io_service & service, short port)
76  : m_service(service)
77  , m_acceptor(service, asio::ip::tcp::endpoint(asio::ip::tcp::v6(), port))
78  {
79  this->start_accept();
80  }
81 
82  void start_accept() {
83  tcp_echo_session::ptr new_session(new tcp_echo_session(m_service));
84  m_acceptor.async_accept(new_session->m_socket,
85  bind(&tcp_echo_server::handle_accept, this, new_session, _1));
86  }
87 
88  void handle_accept(tcp_echo_session::ptr new_session, const asio::error_code & ec) {
89  if (!ec) {
90  new_session->start();
91  }
92  start_accept();
93  }
94 
95  asio::io_service & m_service;
96  asio::ip::tcp::acceptor m_acceptor;
97 };
asio::ip::tcp::socket m_socket
void handle_read(const asio::error_code &ec, size_t transferred)
tcp_echo_server(asio::io_service &service, short port)
Catch-all error for socket component errors that don&#39;t fit in other categories.
Definition: base.hpp:83
asio::io_service & m_service
tcp_echo_session(asio::io_service &service)
asio::ip::tcp::acceptor m_acceptor
void handle_accept(tcp_echo_session::ptr new_session, const asio::error_code &ec)
void handle_write(const asio::error_code &ec)
websocketpp::lib::shared_ptr< tcp_echo_session > ptr