socket通信怎么使用

本篇内容介绍了"socket通信怎么使用"的有关知识，在实际案例的操作过程中，不少人都会遇到这样的困境，接下来就让小编带领大家学习一下如何处理这些情况吧！希望大家仔细阅读，能够学有所成！

#include  #include  #include  using boost::asio::io_service; using boost::asio::ip::tcp; using boost::system::error_code; using boost::asio::deadline_timer; using boost::asio::buffer;  class MyNet { public:     void Accept(unsigned short port, boost::function fun)     {         _pAcceptor = new tcp::acceptor(_ios, tcp::endpoint(tcp::v4(), port));         _pTimer = new deadline_timer(_ios);         _pClentSkt = new tcp::socket(_ios);         _pAcceptor->async_accept(*_pClentSkt,              boost::bind(&MyNet::AcceptHandle, this,               boost::asio::placeholders::error, //传递错误码             fun//传递一个函数指针        ));         _ios.reset(); //充值事件循环状态        if (_ios.run() == 0) //启动事件循环        {             throw std::runtime_error("io_service run return 0.");         }     }     void Send(const string& data)     {         _pClentSkt->write_some(buffer(data, data.size()));     }     string Recv()     {        _ret = _pClentSkt->read_some(buffer(_buf, 1024));         return string(_buf, _ret);     }     void Close()     {         _mutex.lock();         _pAcceptor->close();         _pClentSkt->shutdown(tcp::socket::shutdown_both);         _pClentSkt->close();         _ios.stop();         _mutex.unlock();     }     string GetClientIp()     {//获得客户端的ip         boost::asio::ip::tcp::endpoint ep = _pClentSkt->remote_endpoint();         return ep.address().to_string();     }     unsigned short GetPort()     {//获得监控的端口        return _pAcceptor->local_endpoint().port();     }     static unsigned short GetLocalValidPort()     {//随机过去一个本机的可用端口        io_service ios;         tcp::acceptor acceptor(ios, tcp::endpoint(tcp::v4(), 0));         tcp::acceptor::endpoint_type et = acceptor.local_endpoint();         return et.port();     }     static string GetLocalIp()     {//获取本机ip        boost::asio::io_service io_service;         tcp::resolver resolver(io_service);         tcp::resolver::query query(boost::asio::ip::host_name(), "");         tcp::resolver::iterator iter = resolver.resolve(query);         tcp::resolver::iterator end; // End marker.         if (iter != end)         {             tcp::endpoint ep = *iter;             return ep.address().to_string();         }     }     ~MyNet(void)     {         delete _pTimer;         delete _pAcceptor;         delete _pClentSkt;     } protected:     void AcceptHandle(const error_code& error, boost::function fun)     {//异步接收连接的回调函数        if (error)             return;         //传递进来的函数指针fun未用到，本来是为了启动此函数的线程，boost::thread trd(fun);     }  private:     io_service _ios;     tcp::acceptor* _pAcceptor;     tcp::socket* _pClentSkt;     tcp::socket* _pClentTmp;     deadline_timer* _pTimer;     char _buf[1024];     size_t _ret;     static string _ip;     boost::mutex _mutex; };

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