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#!/usr/bin/python
import subprocess,re,logging,sys
from arping import arpingy
from multiprocessing import Pool
logging.basicConfig(level=logging.DEBUG)
log = logging.getLogger("main")
DEV='eth0'
MAC_NAMES='mac_names.lst'
data = []
my_addr = False
my_names = {}
ret = {}
quiet=False
names = {}
if len(sys.argv) > 1 and sys.argv[1] == 'q':
quiet=True
def get_own_addr():
data = subprocess.Popen(['/sbin/ifconfig',DEV],
stdout=subprocess.PIPE).communicate()[0].replace('\n','')
return re.sub(r'.*HWaddr ([0-9A-Fa-f:]*).*inet addr:([0-9.]*).*' ,
r'\1 \2',data).split()
def load_names(mac_file):
f = open(mac_file)
for l in f:
mac,name = l.split(' ',1)
names[mac] = name.replace('\n','')
f.close()
return names
def print_config():
log.info("My Addr : %s" %str(my_addr))
log.info("MAC Names file: %s " %MAC_NAMES)
log.debug("Loaded names : ")
for mac,name in my_names.iteritems():
log.debug("%s => %s" %(mac,name))
def init():
my_addr = get_own_addr()
my_names = load_names(MAC_NAMES)
def arping_helper(dic):
log.debug("trying arpingy(%s)" %dic)
return arpingy(**dic)
def main():
init()
print_config()
for first in range(1,4):
for second in range(256):
data.append({'iprange':'10.42.'+str(first)+'.'+str(second),'iface':DEV})
try:
log.info("creating new Pool")
p = Pool(30)
ret = filter(lambda x:x , p.map(arping_helper, data))
log.info("killing it")
p.terminate()
except Exception as e:
print 'you fail '+str(e)
myip,mymac = get_own_addr()
ret.append([mymac,myip])
for p in ret:
if not quiet:
print p[0] + " => " + p[1]
if p[1] in names:
print names[p[1]]+ " is online"
if __name__ == "__main__":
log.debug("starting arping_users")
main()
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