boost库之aiso通信

#include "stdafx.h"#include <boost/asio.hpp>#include <boost/bind.hpp>#include <boost/shared_ptr.hpp>#include <boost/enable_shared_from_this.hpp>#include <iostream>using boost::asio::ip::tcp;#define max_len 1024class clientSession :public boost::enable_shared_from_this<clientSession>{public: clientSession(boost::asio::io_service& ioservice):m_socket(ioservice) {  memset(m_data, 0, sizeof(m_data)); } ~clientSession() {} tcp::socket& socket() {  return m_socket; } void start() {  //发送远程消息  boost::asio::async_write(m_socket,   boost::asio::buffer("link successed!"),   boost::bind(&clientSession::handle_write,shared_from_this(),   boost::asio::placeholders::error));  //获取远程消息  m_socket.async_read_some(boost::asio::buffer(m_data,max_len),   boost::bind(&clientSession::handle_read,shared_from_this(),   boost::asio::placeholders::error)); }private: void handle_write(const boost::system::error_code& error) {  if(error)  {   m_socket.close();  } } void handle_read(const boost::system::error_code& error) {  if(!error)  {   std::cout << m_data << std::endl;   m_socket.async_read_some(boost::asio::buffer(m_data,max_len),    boost::bind(&clientSession::handle_read,shared_from_this(),    boost::asio::placeholders::error));  }  else  {   m_socket.close();  } }private: tcp::socket m_socket; char m_data[max_len];};class serverApp{ typedef boost::shared_ptr<clientSession> session_ptr;public: serverApp(boost::asio::io_service& ioservice,tcp::endpoint& endpoint)  :m_ioservice(ioservice), m_acceptor(ioservice,endpoint) {  session_ptr new_session(new clientSession(ioservice));  //创建监听,接收到链接后handle_accept  m_acceptor.async_accept(new_session->socket(),   boost::bind(&serverApp::handle_accept,this,boost::asio::placeholders::error,   new_session)); } ~serverApp() { }private: void handle_accept(const boost::system::error_code& error,session_ptr& session) {  if(!error)  {   std::cout << "get a new client!" << std::endl;   //实现对每个客户端的消息处理   session->start();   //new新的会话，继续接收新的客户端   session_ptr new_session(new clientSession(m_ioservice));   m_acceptor.async_accept(new_session->socket(),    boost::bind(&serverApp::handle_accept,this,boost::asio::placeholders::error,    new_session));  } }private: boost::asio::io_service& m_ioservice; tcp::acceptor m_acceptor;};int main(int argc , char* argv[]){ boost::asio::io_service myIoService; short port = 8100; tcp::endpoint endPoint(tcp::v4(),port); serverApp server(myIoService,endPoint); myIoService.run(); return 0;}

客户端

#include "stdafx.h"#include <boost/asio.hpp>#include <boost/bind.hpp>#include <boost/shared_ptr.hpp>using boost::asio::ip::tcp;class client{public: client(boost::asio::io_service& io_service,tcp::endpoint& endpoint)  : socket(io_service)//这里就把socket实例化了 {  //连接服务端 connect  socket.async_connect(endpoint,   boost::bind(&client::handle_connect,this,boost::asio::placeholders::error)   );  memset(m_getBuffer, 0, sizeof(m_getBuffer)); } ~client() {}private: void handle_connect(const boost::system::error_code& error) {  if(!error)  {   //发送信息   boost::asio::async_write(socket,boost::asio::buffer("hello,server!"),    boost::bind(&client::handle_write,this,boost::asio::placeholders::error));   //获取远程消息   socket.async_read_some(boost::asio::buffer(m_getBuffer,1024),    boost::bind(&client::handle_read,this,boost::asio::placeholders::error)    );  }  else  {   socket.close();  } } void handle_read(const boost::system::error_code& error) {  if(!error)  {   std::cout << m_getBuffer << std::endl;   socket.async_read_some(    boost::asio::buffer(m_getBuffer,1024),    boost::bind(&client::handle_read,this,boost::asio::placeholders::error)    );  }  else  {   socket.close();  } } void handle_write(const boost::system::error_code& error) { }private: tcp::socket socket; char m_getBuffer[1024];};int main(int argc,char* argv[]){ //IO_SERVICE功能我们可以看似socket boost::asio::io_service io_service; tcp::endpoint endpoint(boost::asio::ip::address_v4::from_string("192.168.100.58"),8100); boost::shared_ptr<client> client_ptr(new client(io_service,endpoint)); //开始执行回调函数如：handle_connect io_service.run(); return 0;}