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#!/usr/bin/env python

import sys
import socket
import time


def send_udp(sock, delay):
    print ('delay: ' + str(delay) + ' sec.').ljust(18),
    for i in range(10):
        try:
            tmp = sock.send('my teststring')
            sys.stdout.write('.'); sys.stdout.flush()
        except socket.error, e:
            if e[1] == 'No route to host':
                sys.stdout.write('!'); sys.stdout.flush()
        time.sleep(delay)
    print ''


sock = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
sock.bind((socket.gethostname(), 50123))
sock.connect(('72.14.221.104', 50456))     # google.de
#sock.connect(('private ip', 50456))

print ''

send_udp(sock, 0)
send_udp(sock, 0.5)
send_udp(sock, 1)
send_udp(sock, 1.5)