mes-client/PLCDataReader/ModeBusTCPServer.cs

using System;
using System.Net;
using System.Net.Sockets;
using System.Text;
using System.Threading;
using System.Windows.Forms;

namespace UAS_PLCDataReader
{
    class ModeBusTCPServer
    {
        private bool isOpen = false;

        Thread threadWatch = null; //负责监听客户端的线程
        Socket socketWatch = null; //负责监听客户端的套接字
        Socket socConnection;

        

        public bool IsOpen
        {
            get
            {
                return isOpen;
            }

            set
            {
                isOpen = value;
            }
        }

        public string IP
        {
            get
            {
                return iP;
            }

            set
            {
                iP = value;
            }
        }

        public string Port
        {
            get
            {
                return port;
            }

            set
            {
                port = value;
            }
        }

        private string iP;

        private string port;

        RichTextAutoBottom richtext;

        public ModeBusTCPServer()
        {

        }

        public bool Open()
        {
            try
            {
                richtext = Application.OpenForms["MainWindow"].Controls["Result"] as RichTextAutoBottom;
                //定义一个套接字用于监听客户端发来的信息  包含3个参数(IP4寻址协议,流式连接,TCP协议)
                socketWatch = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
                //服务端发送信息 需要1个IP地址和端口号
                IPAddress ipaddress = IPAddress.Parse(iP);
                //将IP地址和端口号绑定到网络节点endpoint上 
                IPEndPoint endpoint = new IPEndPoint(ipaddress, int.Parse(port));
                //监听绑定的网络节点
                socketWatch.Bind(endpoint);
                //将套接字的监听队列长度限制为20
                socketWatch.Listen(20);
                //创建一个监听线程 
                threadWatch = new Thread(WatchConnecting);
                //将窗体线程设置为与后台同步
                threadWatch.IsBackground = true;
                //启动线程
                threadWatch.Start();
                isOpen = true;
                return true;
            }
            catch (Exception e)
            {
                MessageBox.Show(e.Message);
                return false;
            }
        }

        private void WatchConnecting()
        {
            socConnection = socketWatch.Accept();
            while (true)  //持续不断监听客户端发来的请求
            {
                byte[] data = new byte[1024];
                socConnection.Receive(data);
                int length = data[5];
                byte[] datashow = new byte[length + 6];
                for (int i = 0; i <= length + 5; i++)
                {
                    datashow[i] = data[i];
                }
                string str = Encoding.ASCII.GetString(datashow);
                richtext.AppendText(str + "\n");
            }
        }

        public void Close()
        {
            threadWatch.Abort();
            socketWatch.Close();
            isOpen = false;
        }

        public void SendOrder(string Code)
        {
            switch (Code)
            {
                default:
                    break;
            }
        }
    }
}