irc server

from System.Net.Sockets import *
from System.Text import *

class Module1(object):
    def __init__(self):
        self._clientsList = Hashtable()

    def Main(self):
        serverSocket = TcpListener(8888)
        serverSocket.Start()
        self.msg("Chat Server Started ....")
        counter = 0
        while (True):
            counter += 1
            clientSocket = serverSocket.AcceptTcpClient()
            bytesFrom = Array.CreateInstance(Byte, 10024)
            networkStream = clientSocket.GetStream()
            networkStream.Read(bytesFrom, 0, clientSocket.ReceiveBufferSize)
            dataFromClient = System.Text.Encoding.ASCII.GetString(bytesFrom)
            dataFromClient = dataFromClient.Substring(0, dataFromClient.IndexOf("$"))
            self.clientsList(dataFromClient) = clientSocket
            self.broadcast(dataFromClient + " Joined ", dataFromClient, False)
            self.msg(dataFromClient + " Joined chat room ")
            client = handleClinet()
            client.startClient(clientSocket, dataFromClient, self._clientsList)
        clientSocket.Close()
        serverSocket.Stop()
        self.msg("exit")
        Console.ReadLine()

    def msg(self, mesg):
        mesg.Trim()
        Console.WriteLine(" >> " + mesg)

    def broadcast(self, msg, uName, flag):
        enumerator = clientsList.GetEnumerator()
        while enumerator.MoveNext():
            Item = enumerator.Current
            broadcastSocket = Item.Value
            broadcastStream = broadcastSocket.GetStream()
            if flag == True:
                broadcastBytes = Encoding.ASCII.GetBytes(uName + " says : " + msg)
            else:
                broadcastBytes = Encoding.ASCII.GetBytes(msg)
            broadcastStream.Write(broadcastBytes, 0, broadcastBytes.Length)
            broadcastStream.Flush()

    class handleClinet(object):
        def __init__(self):

        def startClient(self, inClientSocket, clineNo, cList):
            self._clientSocket = inClientSocket
            self._clNo = clineNo
            self._clientsList = cList
            ctThread = Threading.Thread()
            ctThread.Start()

        def doChat(self): #Dim infiniteCounter As Integer
            bytesFrom = Array.CreateInstance(Byte, 10024)
            requestCount = 0
            while (True):
                try:
                    requestCount = requestCount + 1
                    networkStream = self._clientSocket.GetStream()
                    networkStream.Read(bytesFrom, 0, self._clientSocket.ReceiveBufferSize)
                    dataFromClient = System.Text.Encoding.ASCII.GetString(bytesFrom)
                    dataFromClient = dataFromClient.Substring(0, dataFromClient.IndexOf("$"))
                    self.msg("From client - " + self._clNo + " : " + dataFromClient)
                    rCount = Convert.ToString(requestCount)
                    self.broadcast(dataFromClient, self._clNo, True)
                except Exception, ex:
                    self.MsgBox(ex.ToString)
                finally: