#!/usr/bin/python
#echo client program
import socket
import sys

if len(sys.argv)<2:
    message='HELO'
else:
    message=sys.argv[1]


hosts=['vm1',
       'vm2',
       'vm3',
       'vm4',
       'vm5',
       'vm6',
       'narsil']

PORT = 50774              # The same port as used by the server

for HOST in hosts:
    try:
        s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
        s.connect((HOST, PORT))
        s.settimeout(10)
        s.send(message)
        data = s.recv(1024)
        sys.stdout.write(data)
        s.close()
    except:
        sys.stdout.write('|'+HOST+' does not answer. ')