Test a connection

TestConnection.py

#!/usr/bin/env python
 
import socket
import time
 
HOST=""
PORT=""
TIMEOUT=1.0
 
while True:
    try:
        s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
        s.settimeout(TIMEOUT)
        s.connect((HOST, PORT))
        print "[%s] Connection established" % time.strftime("%H:%M:%S")
        time.sleep(1)
        s.close()
    except:
        print "[%s] Cannot connect" % time.strftime("%H:%M:%S")