boost::asio::io_service io_service;
asio::ip::tcp::resolver resolver(io_service);
asio::ip::tcp::resolver::query query(host, port);
asio::ip::tcp::resolver::iterator endpoint_iterator = resolver.resolve(query);
asio::ip::tcp::resolver::iterator end;
asio::ip::tcp::socket socket(io_service);
boost::system::error_code error = boost::asio::error::host_not_found;
while (error && endpoint_iterator != end) {
socket.close();
socket.connect(*endpoint_iterator++, error);
}
boost::asio::streambuf request;
std::ostream request_stream(&request);
request_stream << "Hello World!" << "/r/n";
// Send the request.
boost::asio::write(socket, request);
// Read the response status line.
boost::asio::streambuf response;
boost::asio::read_until(socket, response, "/r/n");
std::istream response_stream(&response);
std::string content;
response_stream >> content;
std::string message;
std::getline(response_stream, message);
cout << "content: " << content << endl;
cout << "message: " << message << endl;