JET-EFEM/athos/athosRT/Devices/IO/MCSocket.cs

// Decompiled with JetBrains decompiler
// Type: EFEMRT.Devices.MCSocket
// Assembly: EfemRT, Version=1.8.0.6, Culture=neutral, PublicKeyToken=null
// MVID: DDC7B1DF-D3E3-4D53-8469-205BDD64475F
// Assembly location: D:\EfemRT\EfemRT.exe

using Aitex.Core.RT.Log;
using System;
using System.Net;
using System.Net.Sockets;

namespace athosRT.Devices
{
  internal class MCSocket
  {
    private int m_nPort;
    private string m_strAddress;
    private Socket m_socket;
    private int m_nTimeOut;

    public MCSocket() => this.m_nTimeOut = 30000;

    ~MCSocket()
    {
    }

    public bool Connected => this.m_socket != null && this.m_socket.Connected;

    public bool Open(string strAddress, int nPort, string strLocalAddress)
    {
      if (this.Connected)
        return true;
      this.Close();
      this.m_strAddress = strAddress;
      this.m_nPort = nPort;
      this.m_socket = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
      try
      {
        this.m_socket.Bind((EndPoint) new IPEndPoint(IPAddress.Any, 0));
        IPEndPoint remoteEP = new IPEndPoint(IPAddress.Parse(this.m_strAddress), this.m_nPort);
        this.m_socket.SendTimeout = this.m_nTimeOut;
        this.m_socket.ReceiveTimeout = this.m_nTimeOut;
        this.m_socket.SetSocketOption(SocketOptionLevel.Socket, SocketOptionName.KeepAlive, true);
        this.m_socket.Connect((EndPoint) remoteEP);
      }
      catch (Exception ex)
      {
        LOG.Write(ex, 2, "D:\\sorter\\trunk\\Efem\\Jet\\Jet_001_2P_Jet\\EfemRT\\Devices\\SuperMCProtocalPLC.cs", nameof (Open), 783);
        return false;
      }
      return true;
    }

    public bool Close()
    {
      if (this.m_socket == null)
        return true;
      try
      {
        this.m_socket.Shutdown(SocketShutdown.Both);
        this.m_socket.Close();
        this.m_socket = (Socket) null;
      }
      catch (Exception ex)
      {
        LOG.Write(ex, 2, "D:\\sorter\\trunk\\Efem\\Jet\\Jet_001_2P_Jet\\EfemRT\\Devices\\SuperMCProtocalPLC.cs", nameof (Close), 802);
        return false;
      }
      return true;
    }

    public int Read(byte[] buffer)
    {
      int num = -1;
      return !this.Connected ? num : this.m_socket.Receive(buffer);
    }

    public bool Read(byte[] buffer, int length)
    {
      if (!this.Connected)
        return false;
      try
      {
        this.m_socket.Receive(buffer, SocketFlags.None);
      }
      catch (Exception ex)
      {
        LOG.Write(ex, 2, "D:\\sorter\\trunk\\Efem\\Jet\\Jet_001_2P_Jet\\EfemRT\\Devices\\SuperMCProtocalPLC.cs", nameof (Read), 837);
        return false;
      }
      return true;
    }

    public bool Write(byte[] buffer)
    {
      if (!this.Connected)
        return false;
      try
      {
        this.m_socket.Send(buffer, SocketFlags.None);
      }
      catch (Exception ex)
      {
        LOG.Write(ex, 2, "D:\\sorter\\trunk\\Efem\\Jet\\Jet_001_2P_Jet\\EfemRT\\Devices\\SuperMCProtocalPLC.cs", nameof (Write), 854);
        return false;
      }
      return true;
    }

    public bool Write(byte[] buffer, int length) => this.Connected && this.m_socket.Send(buffer, length, SocketFlags.None) >= 0;
  }
}