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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.Net;
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using System.Threading;
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namespace Mesnac.Equip.OMRON.FINS
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{
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public class TcpFactory
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{
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private static TcpFactory _instance = null; //TCP工厂实例
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private string _stationPC = "12"; //PC站点
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private string _stationPLC = "13"; //PLC站点\
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private string _plcIP = string.Empty;//PLCip
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private string _tcpPort = "";//端口号
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private byte client_node_no;
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private byte server_node_no;
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private TcpClient plc_Socket = null;
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private NetworkStream myNetworkStream;
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private TcpFactory(string stationPC, string stationPLC, string PlcIP, string TcpPort)
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{
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this._stationPC = stationPC;
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this._stationPLC = stationPLC;
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this._plcIP = PlcIP;
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this._tcpPort = TcpPort;
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}
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public static TcpFactory GetInstance(string stationPC, string stationPLC, string PlcIP, string TcpPort)
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{
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return new TcpFactory(stationPC, stationPLC, PlcIP, TcpPort);
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if (_instance == null)
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{
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_instance = new TcpFactory(stationPC, stationPLC, PlcIP, TcpPort);
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}
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return _instance;
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}
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/// <summary>
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/// Socket对象
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/// </summary>
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public TcpClient MainTCPSocket
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{
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get
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{
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return this.plc_Socket;
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}
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}
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#region 十六进制转换
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private byte[] StringToBytes16(string source)
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{
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byte[] destination = new byte[source.Length / 2];
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for (int i = 0, j = 0; i < source.Length && j < source.Length / 2; i += 2, j++)
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{
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string item = source.Substring(i, 2);
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destination[j] = Convert.ToByte(item, 16);
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}
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return destination;
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}
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#endregion
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/// <summary>
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/// 通讯握手
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/// </summary>
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/// <param name="Plc_IP"></param>
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/// <param name="Tcp_Port"></param>
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/// <returns></returns>
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public bool creatConn()
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{
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bool execResu = true;
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//创建Socket连接 46494E530000000C000000000000000000000000
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string tcp_header = "46494E530000000C000000000000000000000001";
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byte[] fins_tcp_header = StringToBytes16(tcp_header);
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try
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{
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plc_Socket = new TcpClient();
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plc_Socket.Connect(IPAddress.Parse(_plcIP), int.Parse(_tcpPort));
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myNetworkStream = plc_Socket.GetStream();
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}
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catch (SocketException ex)
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{
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ICSharpCode.Core.LoggingService.Error("PLC连接失败：" + ex.Message);
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//MessageBox.Show(ex.Message);
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execResu = false;
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return execResu;
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}
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WriteData(fins_tcp_header);
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byte[] responseMessage = ReadData();
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//检查返回包
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if (responseMessage.Length == 24)
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{
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if (responseMessage[8] != 0x00 || responseMessage[9] != 0x00 || responseMessage[10] != 0x00 || responseMessage[11] != 0x01
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|| responseMessage[12] != 0x00 || responseMessage[13] != 0x00 || responseMessage[14] != 0x00 || responseMessage[15] != 0x00)
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{
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return false;
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}
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client_node_no = responseMessage[19];
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server_node_no = responseMessage[23];
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}
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else
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{
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return false;
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}
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return execResu;
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}
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public bool Read(int block, int start, int len, out object[] buff)
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{
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lock (this)
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{
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string Ssend_header = "46494E530000001A";
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Ssend_header += "0000000200000000";
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byte[] send_header = StringToBytes16(Ssend_header);
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Random ra = new Random(unchecked((int)DateTime.Now.Ticks));
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int SID = ra.Next(1, 100);//自动生成数来检查返回包
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byte[] fins_header_comm = new byte[12];
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fins_header_comm[0] = 0x80;//ICF
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fins_header_comm[1] = 0x00;//RSV
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fins_header_comm[2] = 0x02;//GCT
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fins_header_comm[3] = 0x00; //DNA
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fins_header_comm[4] = server_node_no;//PLC端节点号
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fins_header_comm[5] = 0x00;//DA2
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fins_header_comm[6] = 0x00;//SNA
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fins_header_comm[7] = client_node_no;//PC端节点号,通过连接程序直接获得的
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fins_header_comm[8] = 0x00;//SA2
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fins_header_comm[9] = Convert.ToByte(SID.ToString(), 16);//SID
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fins_header_comm[10] = 0x01;
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fins_header_comm[11] = 0x01;//读命令
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string saddr_value = "82" + Convert.ToString(block + start, 16).PadLeft(4, '0') + "00";//821C2000
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saddr_value += Convert.ToString(len, 16).PadLeft(4, '0');
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byte[] addr_value = StringToBytes16(saddr_value);
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WriteData(Combin(send_header, fins_header_comm, addr_value));
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//WriteData();
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//WriteData();
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byte[] Reseponse = ReadData();
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//MessageBox.Show(Reseponse.Length.ToString());
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//检查返回包
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buff = new object[len];
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if (Reseponse[8] != 0 || Reseponse[9] != 0 || Reseponse[10] != 0 || Reseponse[11] != 2
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|| Reseponse[12] != 0 || Reseponse[13] != 0 || Reseponse[14] != 0 || Reseponse[15] != 0
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|| Reseponse[26] != 1 || Reseponse[27] != 1 || Reseponse[28] != 0 || Reseponse[29] != 0
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|| Reseponse[25] != Convert.ToByte(SID.ToString(), 16))
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{
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return false;
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}
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//MessageBox.Show((Convert.ToInt32(Reseponse[Reseponse.Length - 2].ToString("X2") + Reseponse[Reseponse.Length - 1].ToString("X2"), 16)).ToString());
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int j = 0;
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for (int i = len; i > 0; i--)
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{
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buff[j] = Convert.ToInt32(Reseponse[Reseponse.Length - (i * 2)].ToString("X2") + Reseponse[Reseponse.Length - i * 2 + 1].ToString("X2"));
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j++;
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}
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return true;
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}
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}
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byte[] Combin(byte[] header, byte[] comm, byte[] value)
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{
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int length=header.Length + comm.Length + value.Length;
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byte[] returnByte = new byte[length];
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int j=0;
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for (int i = 0; i < header.Length; i++)
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{
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returnByte[j] = header[i];
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j++;
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}
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for (int i = 0; i < comm.Length; i++)
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{
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returnByte[j] = comm[i];
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j++;
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}
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for (int i = 0; i < value.Length; i++)
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{
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returnByte[j] = value[i];
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j++;
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}
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return returnByte;
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}
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/// <summary>
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/// 写
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/// </summary>
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/// <param name="data"></param>
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/// <returns></returns>
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public bool Write(int block, int start, int[] buff)
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{
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int writeCount = 1;//写入数量
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string Ssend_header = "46494E53000000";
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Ssend_header += Convert.ToString((2 * writeCount + 1 + 25), 16).PadLeft(2, '0');
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Ssend_header += "0000000200000000";
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byte[] send_header = StringToBytes16(Ssend_header);
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Random ra = new Random(unchecked((int)DateTime.Now.Ticks));
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int SID = ra.Next(1, 100);
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byte[] fins_header_comm = new byte[12];
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fins_header_comm[0] = 0x80;//ICF4294967295
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fins_header_comm[1] = 0x00;//RSV
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fins_header_comm[2] = 0x02;//GCT
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fins_header_comm[3] = 0x00; //DNA
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fins_header_comm[4] = server_node_no;//PLC端节点号
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fins_header_comm[5] = 0x00;//DA2
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fins_header_comm[6] = 0x00;//SNA
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fins_header_comm[7] = client_node_no;//PC端节点号,通过连接程序直接获得的
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fins_header_comm[8] = 0x00;//SA2
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fins_header_comm[9] = Convert.ToByte(SID.ToString(), 16);//SID
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fins_header_comm[10] = 0x01;
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fins_header_comm[11] = 0x02;//写命令
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string saddr_value = "82" + Convert.ToString(block + start, 16).PadLeft(4, '0') + "00";
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saddr_value += Convert.ToString(writeCount, 16).PadLeft(4, '0');
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for (int i = 0; i < buff.Length; i++)
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{
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if ("System.Int64" == buff[i].GetType().ToString())
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{
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saddr_value += Convert.ToString((long)buff[i], 16).PadLeft(8, '0').Substring(4, 4);
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saddr_value += Convert.ToString((long)buff[i], 16).PadLeft(8, '0').Substring(0, 4);
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}
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else
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{
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saddr_value += Convert.ToString((int)buff[i], 16).PadLeft(4, '0');
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}
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}
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byte[] addr_value = StringToBytes16(saddr_value);
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WriteData(send_header);
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WriteData(fins_header_comm);
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WriteData(addr_value);
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byte[] Reseponse = ReadData();
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//检查返回包
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if (Reseponse[8] != 0 || Reseponse[9] != 0 || Reseponse[10] != 0 || Reseponse[11] != 2
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|| Reseponse[12] != 0 || Reseponse[13] != 0 || Reseponse[14] != 0 || Reseponse[15] != 0
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|| Reseponse[26] != 1 || Reseponse[27] != 2 || Reseponse[28] != 0 || Reseponse[29] != 0
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|| Reseponse[25] != Convert.ToByte(SID.ToString(), 16))
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{
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ICSharpCode.Core.LoggingService.Error("PLC连接失败：" + Reseponse[8].ToString() + Reseponse[9].ToString() + Reseponse[10].ToString() + Reseponse[11].ToString());
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//MessageBox.Show(Reseponse[8].ToString() + Reseponse[9].ToString() + Reseponse[10].ToString() + Reseponse[11].ToString());
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return false;
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}
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return true;
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}
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#region 数据处理
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private void WriteData(byte[] myByte)
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{
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byte[] writeBytes = myByte;
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myNetworkStream.Write(writeBytes, 0, writeBytes.Length);
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myNetworkStream.Flush();
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Thread.Sleep(10);
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}
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private byte[] ReadData()
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{
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int k = plc_Socket.Available;
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while (k == 0)
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{
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k = plc_Socket.Available;
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Thread.Sleep(10);
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}
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byte[] myBufferBytes = new byte[k];
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myNetworkStream.Read(myBufferBytes, 0, k);
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myNetworkStream.Flush();
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return myBufferBytes;
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}
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#endregion
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}
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}
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