监控IP和端口数据

winform客户端实现监控本机端口实现数据的发送和接收

  #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