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| class Program
{
public static Hashtable clientsList = new Hashtable();
static void Main(string[] args)
{
TcpListener serverSocket = new TcpListener(50882);
TcpClient clientSocket = default(TcpClient);
serverSocket.Start();
counter = 0;
while (true)
{
counter += 1;
clientSocket = serverSocket.AcceptTcpClient();
byte[] bytesFrom = new byte[10025];
string dataFromClient = null;
NetworkStream networkStream = clientSocket.GetStream();
networkStream.Read(bytesFrom, 0, (int)clientSocket.ReceiveBufferSize);
dataFromClient = System.Text.Encoding.UTF8.GetString(bytesFrom);
dataFromClient = dataFromClient.Substring(0, dataFromClient.IndexOf("$"));
clientsList.Add(dataFromClient, clientSocket); //dataFromClient est le pseudo (KEY), clientSocket le socket (VALUE)
Console.WriteLine("(" + DateTime.Now.ToString() + ") Connexion de: " + dataFromClient);
handleClinet client = new handleClinet();
client.startClient(clientSocket, dataFromClient, clientsList);
broadcast("Serveur: " + dataFromClient + " est maintenant en ligne!\n", dataFromClient, false);
}
clientSocket.Close();
serverSocket.Stop();
Console.WriteLine("(" + DateTime.Now.ToString() + ") Serveur hors service...");
Console.ReadLine();
}
public static void broadcast(string msg, string uName, bool flag)
{
foreach (DictionaryEntry client in clientsList)
{
TcpClient SocketClient;
SocketClient = (TcpClient)client.Value; //Récupère le socket du client
NetworkStream Flux = SocketClient.GetStream(); //Flux du client
if (flag == true) //Message du client
{
Byte[] broadcastBytes = null;
broadcastBytes = Encoding.UTF8.GetBytes(uName + " : " + msg + "\n"); //Ex: "Tib : Coucou!"
Flux.Write(broadcastBytes, 0, broadcastBytes.Length);
Flux.Flush();
}
else //Pseudo vient de se connecter
{
Byte[] broadcastBytes = null;
Byte[] broadcastPseudo = null;
ICollection clientsKeys = clientsList.Keys;
StringBuilder listePseudos = new StringBuilder();
listePseudos.Insert(0, "#");
string listeStr = "";
foreach (object Key in clientsKeys)
{
listePseudos.AppendLine(Key.ToString());
}
listeStr = listePseudos.ToString();
broadcastBytes = Encoding.UTF8.GetBytes(msg); //Message d'avertissement de connexion
Flux.Write(broadcastBytes, 0, broadcastBytes.Length);
Flux.Flush();
broadcastPseudo = Encoding.UTF8.GetBytes(listeStr); //Envoi de la liste des pseudos
Flux.Write(broadcastPseudo, 0, broadcastPseudo.Length);
Flux.Flush();
}
#endregion
}
}
}
public class handleClinet
{
TcpClient clientSocket;
string clNo;
Hashtable clientsList;
public void startClient(TcpClient inClientSocket, string clineNo, Hashtable cList)
{
this.clientSocket = inClientSocket;
this.clNo = clineNo;
this.clientsList = cList;
Thread ctThread = new Thread(doChat);
ctThread.Start();
}
public void stopClient(TcpClient inClientSocket, string clineNo, Hashtable cList)
{
this.clientSocket = inClientSocket;
this.clNo = clineNo;
this.clientsList = cList;
Thread ctThread = new Thread(doChat);
}
private void doChat()
{
int requestCount = 0;
byte[] bytesFrom = new byte[10025];
string dataFromClient = null;
string rCount = null;
requestCount = 0;
while (true)
{
if (clientSocket.Connected == true)
{
try
{
requestCount = requestCount + 1;
NetworkStream networkStream = clientSocket.GetStream();
networkStream.Read(bytesFrom, 0, (int)clientSocket.ReceiveBufferSize);
dataFromClient = System.Text.Encoding.UTF8.GetString(bytesFrom);
if (dataFromClient.Length > 0)
{
dataFromClient = dataFromClient.Substring(0, dataFromClient.IndexOf("$"));
Console.WriteLine("(" + DateTime.Now.ToString() + ") " + clNo + " dit : " + dataFromClient);
rCount = Convert.ToString(requestCount);
Program.broadcast(dataFromClient, clNo, true);
}
}
catch (Exception ex)
{
Console.WriteLine("(" + DateTime.Now.ToString() + ") Déconnexion de " + clNo);
clientsList.Remove(clNo);
ICollection clientsKeys = clientsList.Keys;
StringBuilder listePseudos = new StringBuilder();
string listeStr = "";
listePseudos.Insert(0, "#");
foreach (object Key in clientsKeys)
{
listePseudos.AppendLine(Key.ToString());
}
listeStr = listePseudos.ToString();
foreach (DictionaryEntry Item in clientsList)
{
TcpClient broadcastSocket;
broadcastSocket = (TcpClient)Item.Value; //Récupère le socket du client
NetworkStream broadcastStream = broadcastSocket.GetStream(); //Flux du client
Byte[] broadcastBytes = null;
broadcastBytes = Encoding.UTF8.GetBytes(clNo + " n'est plus en ligne...\n"); //Message d'avertissement de déconnexion
broadcastStream.Write(broadcastBytes, 0, broadcastBytes.Length);
broadcastStream.Flush();
broadcastBytes = Encoding.UTF8.GetBytes(listeStr); //Envoi de la liste des pseudos
broadcastStream.Write(broadcastBytes, 0, broadcastBytes.Length);
broadcastStream.Flush();
}
clientSocket.Close();
}
}
else
{
clientSocket.Close();
}
}
}
}
} |
