C + + asynchronous socket processing

Server-side:

#include <boost/thread.hpp> #include <boost/asio.hpp> #include <boost/date_time/posix_time/posix_ Time.hpp>class Server{private:boost::asio::io_service &ios;boost::asio::ip::tcp::acceptor Acceptor;typedef Boost::shared_ptr<boost::asio::ip::tcp::socket> sock_pt;public:server (Boost::asio::io_service &io): iOS (IO), acceptor (iOS, Boost::asio::ip::tcp::endpoint (Boost::asio::ip::tcp::v4 (), 6688)) {Start ();} void Start () {Sock_pt sock (new Boost::asio::ip::tcp::socket (iOS));//Smart Pointer acceptor.async_accept (*sock,boost::bind ( &server::accept_handler, this, _1, sock)); Asynchronous Listener Service}void Accept_handler (const boost::system::error_code &e, sock_pt sock) {if (e)//Detect error code {return;} Std::cout << "client:"; std::cout << Sock->remote_endpoint (). Address () << std::endl;sock-> Async_write_some (Boost::asio::buffer ("Hello client ..."), Boost::bind (&server::write_hander, this, _1)); start () ; Start the asynchronous listener again}void Write_hander (const Boost::system::error_code &e) {sTd::cout << "Send message complete." << Std::endl;}; int main () {try{std::cout << "server start ..." << std::endl;boost::asio::io_service iOS; Server server (iOS); Ios.run (); Initiates an asynchronous invoke event processing Loop}catch (std::exception &e) {std::cout << e.what () << Std::endl;} return 0;}

　　

Client:

#include <boost/thread.hpp> #include <boost/asio.hpp> #include <boost/date_time/posix_time/posix_ time.hpp> #include <vector>class client{private:boost::asio::io_service &ios;boost::asio::ip::tcp:: Endpoint Ep;typedef boost::shared_ptr<boost::asio::ip::tcp::socket> sock_pt;public:client (boost::asio::io_ Service &io): iOS (IO), EP (Boost::asio::ip::address::from_string ("127.0.0.1"), 6688) {start ();//Start Asynchronous Connection}void start () {Sock_pt sock (new Boost::asio::ip::tcp::socket (iOS)); Sock->async_connect (EP, Boost::bind (&client::conn_ Hander, this, _1, sock)); Asynchronous Connection}void Conn_hander (const boost::system::error_code &e, sock_pt sock) {if (e) {return;} Std::cout << "recive from" << sock->remote_endpoint (). Address () << ":"; BOOST::SHARED_PTR&LT;STD: :vector<char> > str (new std::vector<char> (0)); Sock->async_read_some (Boost::asio::buffer (* STR), Boost::bind (&client::read_hander, this, _1, str)); Read data asynchronously start (); Start the asynchronous connection againConnect}void read_hander (const boost::system::error_code &e, boost::shared_ptr<std::vector<char> > str) {if (e) {return;} Std::cout << & (*STR) [0] << Std::endl;}}; int main () {try{std::cout << "client start ..." << std::endl;boost::asio::io_service iOS; Client client (iOS); Ios.run ();} catch (Std::exception &e) {std::cout << e.what () << Std::endl;} return 0;}

　　

C + + asynchronous socket processing