506 lines
17 KiB
C#
506 lines
17 KiB
C#
using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Text;
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using System.Net.Sockets;
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using System.Threading;
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using System.Net;
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using System.Globalization;
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namespace AGVSystem
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{
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public class Soc_Client
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{
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public string IPAdress;
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public bool connected = false;
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public Socket clientSocket;
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private IPEndPoint hostEndPoint;
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private AutoResetEvent autoConnectEvent = new AutoResetEvent(false);
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private SocketAsyncEventArgs lisnterSocketAsyncEventArgs;
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public delegate void StartListeHandler();
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public event StartListeHandler StartListen;
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public delegate void ReceiveMsgHandler(byte[] info);
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public event ReceiveMsgHandler OnMsgReceived;
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private List<SocketAsyncEventArgs> s_lst = new List<SocketAsyncEventArgs>();
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public Soc_Client(string hostName, int port)
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{
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IPAdress = hostName;
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IPAddress[] hostAddresses = Dns.GetHostAddresses(hostName);
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this.hostEndPoint = new IPEndPoint(hostAddresses[hostAddresses.Length - 1], port);
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this.clientSocket = new Socket(this.hostEndPoint.AddressFamily, SocketType.Stream, ProtocolType.Tcp);
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}
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/// <summary>
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/// 连接服务端
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/// </summary>
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/// <returns></returns>
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private bool Connect()
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{
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using (SocketAsyncEventArgs args = new SocketAsyncEventArgs())
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{
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try
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{
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args.UserToken = this.clientSocket;
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args.RemoteEndPoint = this.hostEndPoint;
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args.Completed += new EventHandler<SocketAsyncEventArgs>(this.OnConnect);
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this.clientSocket.ConnectAsync(args);
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bool flag = autoConnectEvent.WaitOne(1000);
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//SocketError err = args.SocketError;
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if (this.connected)
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{
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this.lisnterSocketAsyncEventArgs = new SocketAsyncEventArgs();
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byte[] buffer = new byte[50];
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this.lisnterSocketAsyncEventArgs.UserToken = this.clientSocket;
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this.lisnterSocketAsyncEventArgs.SetBuffer(buffer, 0, buffer.Length);
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this.lisnterSocketAsyncEventArgs.Completed += new EventHandler<SocketAsyncEventArgs>(this.OnReceive);
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this.StartListen();
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return true;
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}
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}
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catch
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{ }
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return false;
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}
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}
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/// <summary>
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/// 判断有没有连接上
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/// </summary>
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/// <param name="sender"></param>
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/// <param name="e"></param>
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private void OnConnect(object sender, SocketAsyncEventArgs e)
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{
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this.connected = (e.SocketError == SocketError.Success);
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autoConnectEvent.Set();
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}
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/// <summary>
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/// 发送
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/// </summary>
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/// <param name="mes"></param>
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public void Send(Byte[] mes)
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{
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if (this.connected)
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{
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EventHandler<SocketAsyncEventArgs> handler = null;
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byte[] buffer = mes;
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SocketAsyncEventArgs senderSocketAsyncEventArgs = null;
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lock (s_lst)
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{
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if (s_lst.Count > 0)
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{
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senderSocketAsyncEventArgs = s_lst[s_lst.Count - 1];
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s_lst.RemoveAt(s_lst.Count - 1);
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}
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}
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if (senderSocketAsyncEventArgs == null)
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{
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senderSocketAsyncEventArgs = new SocketAsyncEventArgs();
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senderSocketAsyncEventArgs.UserToken = this.clientSocket;
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senderSocketAsyncEventArgs.RemoteEndPoint = this.clientSocket.RemoteEndPoint;
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if (handler == null)
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{
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handler = delegate (object sender, SocketAsyncEventArgs _e)
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{
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lock (s_lst)
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{
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s_lst.Add(senderSocketAsyncEventArgs);
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}
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};
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}
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senderSocketAsyncEventArgs.Completed += handler;
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}
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senderSocketAsyncEventArgs.SetBuffer(buffer, 0, buffer.Length);
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this.clientSocket.SendAsync(senderSocketAsyncEventArgs);
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}
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else
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{
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this.connected = false;
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}
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}
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/// <summary>
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/// 监听服务端
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/// </summary>
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public void Listen()
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{
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if (this.connected && this.clientSocket != null)
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{
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try
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{
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(lisnterSocketAsyncEventArgs.UserToken as Socket).ReceiveAsync(lisnterSocketAsyncEventArgs);
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}
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catch (Exception)
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{
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}
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}
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}
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/// <summary>
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/// 断开连接
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/// </summary>
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/// <returns></returns>
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private int Disconnect()
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{
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int res = 0;
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try
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{
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this.clientSocket.Shutdown(SocketShutdown.Both);
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}
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catch (Exception)
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{
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}
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try
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{
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this.clientSocket.Close();
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}
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catch (Exception)
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{
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}
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this.connected = false;
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return res;
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}
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/// <summary>
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/// 数据接受
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/// </summary>
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/// <param name="sender"></param>
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/// <param name="e"></param>
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private void OnReceive(object sender, SocketAsyncEventArgs e)
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{
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if (e.BytesTransferred == 0)
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{
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try
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{
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this.clientSocket.Shutdown(SocketShutdown.Both);
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}
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catch (Exception)
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{
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}
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finally
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{
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if (this.clientSocket.Connected)
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{
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this.clientSocket.Close();
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}
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}
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byte[] info = new Byte[] { 0 };
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this.OnMsgReceived(info);
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}
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else
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{
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byte[] buffer = new byte[e.BytesTransferred];
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for (int i = 0; i < e.BytesTransferred; i++)
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{
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buffer[i] = e.Buffer[i];
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}
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this.OnMsgReceived(buffer);
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Listen();
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}
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}
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/// <summary>
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/// 接受完成
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/// </summary>
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/// <param name="info"></param>
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private void SimaticSocketClient_OnMsgReceived(byte[] info)
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{
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if (info[0] != 0)
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{
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for (byte len = 0; len < info.Length; len++)
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{
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if (Offset < 24)
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{
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RecvData_Temp[Offset] = info[len];
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Offset++;
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}
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}
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}
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else
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{
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for (byte i = 0; i < 24; i++)
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{
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RecvData_Temp[i] = 0;
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}
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Offset = 0;
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}
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}
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/// <summary>
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/// 建立连接的方法
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/// </summary>
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/// <returns></returns>
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public bool OpenLinkPLC()
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{
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bool flag = false;
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this.StartListen += new StartListeHandler(SimaticSocketClient_StartListen);
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this.OnMsgReceived += new ReceiveMsgHandler(SimaticSocketClient_OnMsgReceived);
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flag = this.Connect();
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if (!flag)
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{
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return flag;
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}
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return true;
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}
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/// <summary>
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/// 关闭连接的方法
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/// </summary>
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/// <returns></returns>
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public int CloseLinkPLC()
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{
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return this.Disconnect();
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}
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/// <summary>
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/// 监听的方法
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/// </summary>
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private void SimaticSocketClient_StartListen()
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{
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this.Listen();
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}
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#region 写入STM数据
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private object write_obj = new object();
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/// <summary>
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/// 写一个数据
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/// </summary>
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/// <param name="value"></param>
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/// <returns></returns>
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public int WriteInfo(int value_fx, int value_mb, int value_control)
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{
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lock (write_obj)
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{
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int flag = -1;
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byte[] data = new byte[15];
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data[0] = 0xF3;
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data[1] = 0x01;
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data[2] = Convert.ToByte(value_fx);
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data[3] = 0x00;
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data[4] = Convert.ToByte(value_mb % 256);
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data[5] = Convert.ToByte(value_mb / 256);
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data[6] = 0x00;
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data[7] = 0x00;
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data[8] = Convert.ToByte(value_control);
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data[9] = 0x00;
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data[10] = 0x00;
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data[11] = 0x00;
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data[12] = 0x00;
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data[13] = 0x00;
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data[14] = 0xCF;
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data[13] = (FCS(data))[0];
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int numPro = 0;
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Offset = 0;
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RecvData_Temp[0] = 0;
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RecvData_Temp[1] = 0;
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RecvData_Temp[22] = 0;
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RecvData_Temp[23] = 0;
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this.Send(data);
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while ((RecvData_Temp[0] == 0 || RecvData_Temp[23] == 0) && numPro < 350)
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{
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Thread.Sleep(2);
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numPro++;
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}
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if (numPro < 350)
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{
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if (RecvData_Temp[0] == 0xF3 && RecvData_Temp[1] == 0x02 && RecvData_Temp[23] == 0xCF)
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{
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flag = 0;//成功
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}
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}
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Offset = 0;
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RecvData_Temp[0] = 0;
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RecvData_Temp[1] = 0;
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RecvData_Temp[22] = 0;
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RecvData_Temp[23] = 0;
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return flag;
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}
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}
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#endregion
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/************************************************************************/
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/* Description: 写入数据（向AGV写入状态）
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/* Time:2018/04/10 13时50分20秒
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/* Author:WANGZHEN
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/************************************************************************/
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/// <summary>
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/// 写入数据（向AGV写入状态）
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/// 目标地址+放行+取料/放料状态
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/// value_mb:目标地址，isDrop 1是放料，2是取料
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/// </summary>
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/// <param name="results"></param>
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/// <returns></returns>
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public int WriteInfo(int value_mb, int isDrop, out byte[] results)
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{
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lock (write_obj)
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{
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int flag = -1;
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byte[] data = new byte[15];
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data[0] = 0xF3;
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data[1] = 0x01;
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data[2] = 0x01;
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data[3] = 0x00;
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data[4] = Convert.ToByte(value_mb % 256);
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data[5] = Convert.ToByte(value_mb / 256);
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data[6] = 0x00;
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data[7] = 0x00;
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data[8] = 0x00;
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data[9] = Convert.ToByte(isDrop);
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data[10] = 0x00;
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data[11] = 0x00;
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data[12] = 0x00;
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data[13] = 0x00;
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data[14] = 0xCF;
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data[13] = (FCS(data))[0];
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results = new byte[24];
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for (byte i = 0; i < 24; i++)
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results[i] = 0;
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int numPro = 0;
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Offset = 0;
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RecvData_Temp[0] = 0;
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RecvData_Temp[1] = 0;
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RecvData_Temp[22] = 0;
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RecvData_Temp[23] = 0;
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this.Send(data);
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while ((RecvData_Temp[0] == 0 || RecvData_Temp[23] == 0) && numPro < 350)
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{
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Thread.Sleep(2);
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numPro++;
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}
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if (numPro < 350)
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{
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if (RecvData_Temp[0] == 0xF3 && RecvData_Temp[1] == 0x02 && RecvData_Temp[23] == 0xCF)
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{
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flag = 0;//成功
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for (byte i = 0; i < 23; i++)
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{
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results[i] = RecvData_Temp[i];
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}
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}
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}
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Offset = 0;
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RecvData_Temp[0] = 0;
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RecvData_Temp[1] = 0;
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RecvData_Temp[22] = 0;
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RecvData_Temp[23] = 0;
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return flag;
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}
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}
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private byte[] FCS(byte[] b)
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{
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int num2 = 0;
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byte[] recValue = new byte[2];
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//byte[]b=new byte[30] {0x46, 0x39, 0x30, 0x30, 0x30, 0x30, 0x46, 0x46, 0x30, 0x30, 0x30, 0x34, 0x30, 0x31, 0x30, 0x30, 0x30, 0x30, 0x44, 0x2A , 0x30 , 0x30 , 0x31 , 0x36, 0x31 , 0x36 , 0x30 , 0x30 , 0x30 , 0x31};
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for (int i = 0; i < b.Length - 1; i++)
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{
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num2 += b[i];
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}
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string s = num2.ToString("X2").Substring(num2.ToString("X2").Length - 2, 2);
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//recValue = Encoding.ASCII.GetBytes(s);
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recValue = strToToHexByte(s);
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return recValue;
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}
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private static byte[] strToToHexByte(string hexString)
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{
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hexString = hexString.Replace(" ", "");
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if ((hexString.Length % 2) != 0)
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hexString += " ";
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byte[] returnBytes = new byte[hexString.Length / 2];
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for (int i = 0; i < returnBytes.Length; i++)
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returnBytes[i] = Convert.ToByte(hexString.Substring(i * 2, 2), 16);
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return returnBytes;
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}
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int Offset = 0;
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private byte[] RecvData_Temp = { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 };
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#region 读取STM值
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private object read_obj = new object();
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/// <summary>
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/// 读值
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/// </summary>
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/// <param name="alarmvalue"></param>
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/// <param name="posvalue"></param>
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/// <returns></returns>
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public int ReadInfo(out int[] results)
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{
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lock (read_obj)
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{
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int flag = -1;
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Byte[] data = new Byte[15];
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results = new int[24];
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for (byte i = 0; i < results.Length; i++)
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{
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results[i] = 0;
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}
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data[0] = 0xF3;
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data[1] = 0x0A;
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data[2] = 0x00;
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data[3] = 0x00;
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data[4] = 0x00;
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data[5] = 0x00;
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data[6] = 0x00;
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data[7] = 0x00;
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data[8] = 0x00;
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data[9] = 0x00;
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data[10] = 0x00;
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data[11] = 0x00;
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data[12] = 0x00;
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data[13] = 0x00;
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data[14] = 0xCF;
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data[13] = (FCS(data))[0];
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int numPro = 0;
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Offset = 0;
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RecvData_Temp[0] = 0;
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RecvData_Temp[1] = 0;
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RecvData_Temp[23] = 0;
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this.Send(data);
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while ((RecvData_Temp[0] == 0 || RecvData_Temp[23] == 0) && numPro < 350)
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{
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Thread.Sleep(2);
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numPro++;
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}
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if (numPro < 350)
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{
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if (RecvData_Temp[0] == 0xF3 && RecvData_Temp[1] == 0x0B && RecvData_Temp[23] == 0xCF)
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{
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flag = 0;
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for (byte i = 0; i < 23; i++)
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{
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results[i] = RecvData_Temp[i];
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}
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}
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else
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{
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if (RecvData_Temp[23] == 0)
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{
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flag = -3;
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}
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}
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}
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Offset = 0;
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RecvData_Temp[0] = 0;
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RecvData_Temp[1] = 0;
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RecvData_Temp[22] = 0;
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RecvData_Temp[23] = 0;
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return flag;
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}
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}
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#endregion
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#region IDispose member
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public void Dispose()
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{
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if (this.clientSocket.Connected)
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{
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this.clientSocket.Close();
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}
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}
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#endregion
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}
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}
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