############################################################
##
## TCP Server Socket - By Fischetti P.
##
############################################################
##
## Serve + client
## ma il client deve inviare la string 'quit'
## per chiudere la connessione e permettere
## ad altri di continuare.
##
############################################################

import socket
import time

def strTohex(s):
    lst = []
    for ch in s:
        hv = hex(ord(ch))
        lst.append(hv)
    return lst

TCP_IP = '127.0.0.1'
TCP_PORT = 6000
BUFFER_SIZE = 1024
 
s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)

#s.bind((TCP_IP, TCP_PORT))
s.bind((socket.gethostname(), TCP_PORT))
s.listen(1)
buff=[]

while 1:
    print 'Waiting connection on ',socket.gethostname(),TCP_PORT
    conn, addr = s.accept()
    print 'Connection address:', addr
    bContinue=True
    while bContinue:
         data = conn.recv(BUFFER_SIZE)
         if not data:
             break
         print "received data:", data
         conn.send(data)  # echo
         
         ##TELNET send string:
         if data=='quix':
             bContinue = False
             print 'Connection address:', addr, ' Closed'
##
##         #TELNET char 
##         if len(data)==2 and data[0]=='\r' and data[1]=='\n':
##             if  ''.join(buff).lower()=='quit':
##                 bContinue=False
##                 print 'Connection address:', addr, ' Closed'
##             buff=[]    
##         else:
##             buff.append(data)

    conn.close()