From e0ec5d2e8560ae433ee677622b24ba82dbe7630b Mon Sep 17 00:00:00 2001
From: tv <tv@also>
Date: Sun, 29 May 2011 15:47:21 +0200
Subject: lowered filesystem hierarchy--everything are modules

---
 census/arping_users.py | 54 ++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 54 insertions(+)
 create mode 100755 census/arping_users.py

(limited to 'census/arping_users.py')

diff --git a/census/arping_users.py b/census/arping_users.py
new file mode 100755
index 00000000..c576e4f3
--- /dev/null
+++ b/census/arping_users.py
@@ -0,0 +1,54 @@
+#!/usr/bin/python
+import subprocess,re,logging,sys
+
+from arping import arpingy
+from multiprocessing import Pool
+DEV='eth0'
+MAC_NAMES='mac_names.lst'
+data = []
+ret = {}
+verb = False
+
+if len(sys.argv) > 1 and sys.argv[1] == 'v':
+  verb = 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_NAMES):
+  names = {}
+  f = open(MAC_NAMES)
+  for l in f:
+    mac,name = l.split()
+    names[mac] = name.replace('\n','')
+  f.close()
+  return names
+
+def arping_helper(dic):
+  return arpingy(**dic)
+
+for first in range(4):
+  for second in range(255):
+    data.append({'iprange':'10.42.'+str(first)+'.'+str(second),'iface':DEV})
+
+names = load_names(MAC_NAMES)
+try:
+  p = Pool(20)
+  ret = filter(lambda x:x , p.map(arping_helper, data))
+  myip,mymac = get_own_addr()
+  ret.append([mymac,myip])
+  p.terminate()
+except Exception as e:
+  print 'you fail '+str(e)
+
+
+
+for p in ret:
+  if verb:
+    print p[0] + " => " + p[1]
+  if p[1] in names:
+    print names[p[1]]+ " is online"
+
+
-- 
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