sean@20: #!/usr/bin/env python3
sean@20: 
sean@20: """ very simple network_monitoring. Derterminats if a remote machine
sean@20: is available or not
sean@20: 
sean@20: author: Sean Engelhardt <sean.engelhardt@intevation.de>
sean@20: 
sean@20: This is Free Software unter the terms of the
sean@20: GNU GENERAL PUBLIC LICENSE Version 2 or later.
sean@20: See http://www.gnu.org/licenses/gpl-3.0.txt for details
sean@20: """
sean@20: 
sean@20: import socket, time, threading
sean@20: 
sean@20: interval = 5
sean@20: ip = "212.95.122.133"
sean@20: port = 80
sean@20: 
sean@20: def is_service_available(ip, port):
sean@20:     server_available = False
sean@20:     s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
sean@20:     try:
sean@20:         s.connect((ip, port))
sean@20:         server_available = True
sean@20:     except socket.error:
sean@20:         server_available = False
sean@20:     s.close()
sean@20:     return server_available
sean@20: 
sean@20: def check_service_regularly(interval, ip, port):
sean@20:     is_available = is_service_available(ip, port)
sean@20: 
sean@20:     # return is_available
sean@20:     print("Server " + ip + " ::: "+ str(is_available))
sean@20:     threading.Timer(interval, check_service_regularly, [interval, ip, port]).start()
sean@20: 
sean@20: # print("server : " + str(check_service_regularly(5, "212.95.122.133", 80)))
sean@20: 
sean@20: check_service_regularly(interval, "212.95.122.133", 80)
sean@20: check_service_regularly(interval, "127.0.0.1", 80)
sean@20: check_service_regularly(interval, "127.0.0.1", 81)