xxx

git-svn-id: svn://elaine/murooma/trunk@129 d8a302eb-03bc-478d-80e4-98257eca68ef

blocking_tcp_echo_server.cpp

@@ -0,0 +1,82 @@
+//
+// blocking_tcp_echo_server.cpp
+// ~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+//
+// Copyright (c) 2003-2013 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+//
+// Distributed under the Boost Software License, Version 1.0. (See accompanying
+// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+//
+
+#include <cstdlib>
+#include <iostream>
+#include <boost/bind.hpp>
+#include <boost/smart_ptr.hpp>
+#include <boost/asio.hpp>
+#include <boost/thread/thread.hpp>
+
+using boost::asio::ip::tcp;
+
+const int max_length = 1024;
+
+typedef boost::shared_ptr<tcp::socket> socket_ptr;
+
+void session(socket_ptr sock)
+{
+  try
+  {
+    for (;;)
+    {
+      char data[max_length];
+
+      boost::system::error_code error;
+      size_t length = sock->read_some(boost::asio::buffer(data), error);
+      if (error == boost::asio::error::eof)
+        break; // Connection closed cleanly by peer.
+      else if (error)
+        throw boost::system::system_error(error); // Some other error.
+
+      boost::asio::write(*sock, boost::asio::buffer(data, length));
+    }
+  }
+  catch (std::exception& e)
+  {
+    std::cerr << "Exception in thread: " << e.what() << "\n";
+  }
+}
+
+void server(boost::asio::io_service& io_service, unsigned short port)
+{
+  tcp::acceptor a(io_service, tcp::endpoint(tcp::v4(), port));
+  for (;;)
+  {
+    socket_ptr sock(new tcp::socket(io_service));
+    a.accept(*sock);
+    boost::thread t(boost::bind(session, sock));
+  }
+}
+
+int main(int argc, char* argv[])
+{
+  try
+  {
+    if (argc != 2)
+    {
+      std::cerr << "Usage: blocking_tcp_echo_server <port>\n";
+      return 1;
+    }
+
+    boost::asio::io_service io_service;
+
+    using namespace std; // For atoi.
+    server(io_service, atoi(argv[1]));
+  }
+  catch (std::exception& e)
+  {
+    std::cerr << "Exception: " << e.what() << "\n";
+  }
+
+  return 0;
+}
+
+