winform监控IP和端口数据

  #region 无连接给本机端口发送消息

        public void local() {

            byte[] data = new byte[1024];//定义一个数组用来做数据的缓冲区

            string stringData;

            IPEndPoint ipep = new IPEndPoint(IPAddress.Parse("172.23.13.36"), 8082);

            Socket server = new Socket(AddressFamily.InterNetwork, SocketType.Dgram, ProtocolType.Udp);

            EndPoint ep2 = (EndPoint)ipep;

            server.Bind(ipep);

            string welcome = "Hello,are you there?";

            data = Encoding.ASCII.GetBytes(welcome);

            server.SendTo(data, data.Length, SocketFlags.None, ipep);//将数据发送到指定的终结点

            IPEndPoint sender = new IPEndPoint(IPAddress.Parse("172.23.13.36"), 8082);

            EndPoint Remote = (EndPoint)sender;

            data = new byte[1024];

            int recv = server.ReceiveFrom(data, ref Remote);//接受来自服务器的数据

            stringData = Encoding.ASCII.GetString(data, 0, recv);

            server.Close();

        }

        #endregion

        #region 有连接给本机端口发送消息

        public void haveConnect()

        {

            byte[] data = new byte[1024];

            IPEndPoint ie = new IPEndPoint(IPAddress.Parse("172.23.13.36"), 8082);//服务器的IP和端口

            serverSocket = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);

            serverSocket.Bind(ie);  //绑定IP地址：端口  

                                    //serverSocket.Listen(50);    //设定最多10个排队连接请求  

                                    //构造定时器，时间间隙为1秒，即每隔一秒执行一次accept()方法，以获取连接请求队列中//第一个挂起的连接请求

            serverSocket.Connect(ie);

            string welcome = "Hello,are you there?";

            data = Encoding.ASCII.GetBytes(welcome);

            serverSocket.SendTo(data, data.Length, SocketFlags.None, ie);//将数据发送到指定的终结点

            IPEndPoint sender = new IPEndPoint(IPAddress.Parse("172.23.13.36"), 8082);

            EndPoint Remote = (EndPoint)sender;

            data = new byte[1024];

            int recv = serverSocket.ReceiveFrom(data, ref Remote);//接受来自服务器的数据

            String stringData = Encoding.ASCII.GetString(data, 0, recv);

            serverSocket.Close();

        }

        #endregion