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using System;
using System.Reflection;
using System.Windows.Forms;
using System.Net.Sockets;
using System.Threading;
using System.IO;
using System.Net;
using System.Data;
namespace SEA
{
public class ComEthServeur
{
#region Membres privés
private Socket monSocket;
private IPAddress adresse_Ip;
private string nom_Machine;
public TcpListener serveur;
public System.Threading.Thread threadSurveillanceTcp;
private Boolean arretThread;
private Boolean isConnected;
public Boolean IsConnected
{
get { return isConnected; }
}
private void surveille()
{
arretThread=false;
try
{
//demarage du listener
serveur = new TcpListener(port);
serveur.Start();
monSocket = serveur.AcceptSocket();
this.isConnected=true;
while(!arretThread)
{
if(serveur.Pending())
monSocket = serveur.AcceptSocket();
monSocket.SetSocketOption(System.Net.Sockets.SocketOptionLevel.Tcp, System.Net.Sockets.SocketOptionName.ReceiveBuffer, 0);
byte[] option = monSocket.GetSocketOption(System.Net.Sockets.SocketOptionLevel.Tcp, System.Net.Sockets.SocketOptionName.NoDelay,1);
// monSocket.Send(option, 0, option.Length,SocketFlags.None);
// monSocket.IOControl
if (monSocket.Available!=0)
OnReceptionData(this,new System.EventArgs());
Thread.Sleep(10);
}
Thread.Sleep(10);
this.isConnected=false;
}
catch(Exception e)
{
this.isConnected=false;
this.serveur.Stop();
threadSurveillanceTcp.Abort();
threadSurveillanceTcp = new Thread(new ThreadStart(surveille));
threadSurveillanceTcp.Start();
}
}
#endregion
#region Proprietés
private Boolean donneeLue;
public Boolean DonneeLue
{
get { return donneeLue; }
}
private int port= new int();
public int Port
{
get { return port; }
set { port = value; }
}
#endregion
#region Evenements
public event EventHandler OnReceptionData;
public event EventHandler OnClientConnected;
#endregion
#region Methodes
public ComEthServeur()
{
}
public void Initialisation(int port)
{
this.isConnected=false;
//Récupération de l'adresse Ip de la machine
adresse_Ip = Dns.Resolve(Dns.GetHostName()).AddressList[0];
//Récupération du nom de la machine
nom_Machine = Dns.GetHostName().ToString();
//port
this.port=port;
//demarage thread connectionClient
threadSurveillanceTcp = new Thread(new ThreadStart(surveille));
threadSurveillanceTcp.Start();
}
public void Initialisation()
{
this.isConnected=false;
//Récupération de l'adresse Ip de la machine
adresse_Ip = Dns.Resolve(Dns.GetHostName()).AddressList[0];
//Récupération du nom de la machine
nom_Machine = Dns.GetHostName().ToString();
//demarage thread connectionClient
threadSurveillanceTcp = new Thread(new ThreadStart(surveille));
threadSurveillanceTcp.Start();
}
public Boolean Deconnection()
{
Boolean ok=true;
try
{
arretThread=true;
threadSurveillanceTcp.Abort();
this.serveur.Stop();
this.serveur=null;
monSocket = null;
}
catch(Exception e)
{
ok=false;
}
return ok;
}
public Boolean EnvoiTrame(string trame)
{
Boolean ok=true;
try
{
trame+=(char)10;
byte[] data =System.Text.Encoding.ASCII.GetBytes(trame);
monSocket.Send(data, 0, data.Length,SocketFlags.None);
}
catch(Exception e)
{
ok=false;
// clsLog.LogErreur(e);
}
return ok;
}
public Boolean EnvoiTrame(byte[] trame)
{
Boolean ok=true;
try
{
monSocket.SetSocketOption(System.Net.Sockets.SocketOptionLevel.Tcp, System.Net.Sockets.SocketOptionName.NoDelay, 1);
monSocket.Send(trame, 0, trame.Length,SocketFlags.None);
}
catch(Exception e)
{
ok=false;
}
return ok;
}
public Boolean LireTrame(out string trame)
{
Boolean ok=true;
trame=String.Empty;
try
{
Byte[] transfert = new Byte[2048];
monSocket.Receive(transfert);
trame = System.Text.Encoding.ASCII.GetString(transfert);
donneeLue=true;
//Se produit dès que le client se déconnecte
if (trame.Substring(0,1)!="D")
{
serveur.Stop();
threadSurveillanceTcp.Abort();
threadSurveillanceTcp = new Thread(new ThreadStart(surveille));
threadSurveillanceTcp.Start();
threadSurveillanceTcp.Join(500);
}
}
catch(Exception e)
{
ok=false;
// clsLog.LogErreur(e);
}
return ok;
}
public Boolean LireTrame(out byte[] trame)
{
Boolean ok=true;
trame = new Byte[2048];
try
{
monSocket.Receive(trame);
donneeLue=true;
//Se produit dès que le client se déconnecte
if ( Convert.ToChar(trame[0])!='D' )
{
serveur.Stop();
threadSurveillanceTcp.Abort();
threadSurveillanceTcp = new Thread(new ThreadStart(surveille));
threadSurveillanceTcp.Start();
threadSurveillanceTcp.Join(500);
}
}
catch(Exception e)
{
ok=false;
}
return ok;
}
#endregion
}
} |
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