void MMyLib::MyClient::conn_handler(const system::error_code& ec, sock_pt sock) { if(ec) return; cout<< "recive from "<< sock->remote_endpoint().address()<< endl; std::shared_ptr<vector<char> > str(new vector<char>(100, 0)); sock->async_read_some(buffer(*str), boost::bind(&MyClient::read_handler, this, boost::asio::placeholders::error, str)); }
void MMyLib::MyServer::accept_handler(const boost::system::error_code& ec, sock_pt sock) { if(ec) return ; cout<< "MyClients:"; cout<< sock->remote_endpoint().address()<< endl; sock->async_write_some(buffer("hello asio"), \ boost::bind(&MyServer::write_handler, this, boost::asio::placeholders::error)); start(); }
//当有TCP连接发生时,server::accept_handler()函数将被调用,它使用socket对象发送数据。 void accept_handler(const boost::system::error_code& ec, sock_pt sock) { if (ec)//检测错误码 { return; } //输出连接的客户端信息 std::cout << "client:"; std::cout << sock->remote_endpoint().address() << " port:" << sock->remote_endpoint().port() << std::endl; sock->async_write_some(boost::asio::buffer("hello asio"), bind(&server::write_handler, this, boost::asio::placeholders::error)); //再次启动异步接受连接 //首先它必须检测asio传递的error_code,保证没有错误发生。 //然后调用socket对象的async_write_some()异步发送数据。 //同样,我们必须再为这个异步调用编写回调函数write_handler()。 //当发送完数据后不要忘了调用start()再次启动服务器接收连接,否则当完成数据发送后io_service将因为没有时间处理而结束运行。 start(); }
void CRecvMsg::accept_handler(const boost::system::error_code& ec,sock_pt sock) { if(ec) { ip=sock->remote_endpoint().address().to_string(); std::string message=ip+" "+numToStr(port)+"连接异常"; writeLog(message,es); return; } start(); ip=sock->remote_endpoint().address().to_string(); QString content=tr("已连接"); QString relateDevice=QString("%1 %2").arg(ip.c_str()).arg(port); idR->insertLog(relateDevice,content); std::string message=ip+" "+numToStr(port)+"已连接"; writeLog(message,es); try{ sock->async_read_some(boost::asio::buffer(pRecvBuff, 1024), bind(&CRecvMsg::read_handler, this, placeholders::error, placeholders::bytes_transferred,sock)); //boost::posix_time::time_duration td(0,0,2,0); //boost::this_thread::sleep(td); } catch (std::exception& e) { //std::cerr << "Exception: " << e.what() << "/n"; std::string message=ip+" "+numToStr(port)+" "+e.what(); writeLog(message,es); } }