state.cs

Manager the door by fingerprint machine

using System;
using System.Collections.Generic;
using System.Text;
using RedCorona.Net;
using System.Net.Sockets;
using System.Windows.Forms;
using System.Web;
using System.Collections.Specialized;

namespace Registration
{
  class State
  {
    ClientInfo client;
    Socket sock;
    public bool IsConnectedToServer;
    public bool IsConnectingToServer;

    private int visitorCount = 0;
    public string VisitorCount
    {
      get
      {
        return this.visitorCount.ToString();
      }
    }

    public void ConnectToServer()
    {
      IsConnectingToServer = true;
      
      try
      {
        sock = Sockets.CreateTCPSocket(clsGlobal.ServerIP, clsGlobal.ServerPort);
        client = new ClientInfo(sock, true);
        client.OnRead += new ConnectionRead(ReadData);
        client.Delimiter = '\n';  // this is the default, shown for illustration
        IsConnectedToServer = true;
      }
      catch (Exception ex)
      {
        IsConnectedToServer = false;
      }

      IsConnectingToServer = false;
    }

    public void Reconnect()
    {
      IsConnectedToServer = false;

      try
      {
        sock.Close();
      }
      catch { }
      try
      {
        client.Close();
      }
      catch { }
      sock = null;
      client = null;
      ConnectToServer();
    }

    void ReadData(ClientInfo ci, String text)
    {
      if (text.Contains("VISITORCOUNT="))
      {
        int.TryParse(Tools.StripNonNumeric(text),out this.visitorCount);
      }
      if (text.Contains("ACT=REGACK"))
      {
        NameValueCollection nsv = Tools.GetValues(text);
        clsGlobal.g_objfrmMain.ReceiveRegistrationAck(nsv["VisitorId"]);
      }
    }

    public State()
    {
      ConnectToServer();
    }

    public int cTime
    {
      get
      {
        return DateTime.Now.Hour * 100 + DateTime.Now.Minute;
      }
    }

    public bool IsVisitingHours
    {
      get
      {
        if (clsGlobal.a_visitStart <= cTime && cTime <= clsGlobal.a_visitEnd)
          return true;

        if (clsGlobal.e_visitStart <= cTime && cTime <= clsGlobal.e_visitEnd)
          return true;

        return false;
      }
    }

    public bool IsNextVisitingHoursEvening
    {
      get
      {
        if (clsGlobal.a_visitEnd < cTime && cTime < clsGlobal.e_visitStart)
          return true;
        else
          return false;
      }
    }

    public bool IsNextVisitingHoursAfternoon
    {
      get 
      {
        if (clsGlobal.e_visitEnd < cTime || cTime < clsGlobal.a_visitStart)
          return true;
        else
          return false;
      }
    }

    public bool SendRegistration(Transaction ts)
    {
      try
      {
        if(!IsConnectedToServer)
          ConnectToServer();

        if (IsConnectedToServer)
        {
          ts.VisitorId = Guid.NewGuid().ToString();
          string message = "ACT=REGISTER";
          message += "&VisitorId=" + HttpUtility.UrlEncode(ts.VisitorId);
          message += "&VisitorName=" + HttpUtility.UrlEncode(ts.VisitorName);
          message += "&VisitorIC=" + HttpUtility.UrlEncode(ts.VisitorNRIC);
          message += "&PatientName=" + HttpUtility.UrlEncode(ts.PatientsName);
          message += "&ContactNumber=" + HttpUtility.UrlEncode(ts.VisitorContactNo);
          message += "&FingerTemplate=" + HttpUtility.UrlEncode(ts.SecondTemplate);
          message += "\n";
          client.Send(message);
          return true;
        }
        else
        {
          return false;
        }
      }
      catch (Exception ex)
      {
        return false;
      }
    }
  }
}