server.txt

import socket
import sys
import select
import time
import os

class mainServer:
     global regEntry
     regEntry = {}

     def __init__ (self):
          if os.path.isfile('PA4_logFile.txt'):
               os.remove('PA4_logFile.txt')
  
          self.host = ''
          self.port = 9090
          self.backlog = 5
                  
          self.s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)     
          self.s.bind((self.host,self.port))                                     
          self.s.listen(self.backlog)

     def clientConnection(self):
          self.client_socket, address = self.s.accept()
          self. query = self.client_socket.send('Hi, This is server\n')
          
          self.clientPort = address[1]
          self.clientIp  = address[0]
          self.Logging(self.clientPort, self.clientIp)

          while True:
              self.data = self.client_socket.recv(4096*100)             
              print 'Received: ', repr(self.data)
              self.reply = raw_input('Reply: ')
              self.client_socket.sendall(self.reply)
              if self.data.find('||||')>=0:                   
                   self.storeInfo(self.data)
              if self.data.find('Quit') >= 0:
                   self.deReg(self.data)

     def storeInfo(self, data):
          self.store = self.data.split('||||',2)
          regEntry[self.store[0]] = self.store[1]
          self.reg = open('regEntry.txt', 'a+')
          self.reg.write(str(regEntry))
          self.reg.close()

     def deReg(self, data):
          self.check = self.data.split(' ',2)
          del regEntry[self.check[1]]
          if str(regEntry).find('{}') >= 0:
               self.newEntry = str(regEntry).strip('{}')
               self.new = open('regEntry.txt', 'w')
               self.new.write(str(self.newEntry))
               self.new.close()
          else:
               self.new = open('regEntry.txt', 'w')
               self.new.write(str(regEntry))
               self.new.close()
               
          return 0
          
          
                    
     def Logging(self, clientPort, clientIp):
          self.timeStampLog = time.strftime('%c')
          self.log = str(self.clientIp) + ' ' + str(self.clientPort)
          self.log += ' ' + str(self.timeStampLog) + '\n'
          self.logFile = open('PA4_logFile.txt', 'a').write(self.log)



if __name__== '__main__':
    temp = mainServer()
    temp.clientConnection()