[uio-zabbix.git] / get_default_gateway

#!/usr/bin/env python

import socket, struct

def get_default_gateway_linux():
    """Read the default gateway directly from /proc."""
    with open("/proc/net/route") as fh:
        for line in fh:
            fields = line.strip().split()
            if fields[1] != '00000000' or not int(fields[3], 16) & 2:
                continue

            return socket.inet_ntoa(struct.pack("<L", int(fields[2], 16)))

print socket.gethostbyaddr(get_default_gateway_linux())[0]
Commit	Line	Data
a8f35baf CMB	1	#!/usr/bin/env python
	2
	3	import socket, struct
	4
	5	def get_default_gateway_linux():
	6	"""Read the default gateway directly from /proc."""
	7	with open("/proc/net/route") as fh:
	8	for line in fh:
	9	fields = line.strip().split()
	10	if fields[1] != '00000000' or not int(fields[3], 16) & 2:
	11	continue
	12
	13	return socket.inet_ntoa(struct.pack("<L", int(fields[2], 16)))
	14
	15	print socket.gethostbyaddr(get_default_gateway_linux())[0]
	16