Backend

This is backend part of new devices detection.

It just connects to pakond, parses received json and stores local MAC addresses seen in flows. Addresses are stored in json format in file, which is normally saved every 30 minutes (or when new device is detected).

main.py

 #!/usr/bin/python
 import socket
 import sys
+import json
 
 class pakond_reader():
 	def __init__(self):
@@ -17,6 +18,7 @@ class pakond_reader():
 
 def main():
 	r = pakond_reader()
+	known_macs={}
 	try:
 		r.connect('/tmp/pakon/socket')
 	except socket.error, msg:
@@ -25,7 +27,13 @@ def main():
 		sys.exit(1)
 	while True:
 		data = r.read_line()
-		print data
+		data = json.loads(data)
+		try:
+			if data["params"]["local"]["mac"] not in known_macs:
+				print "unknown MAC: %s"%data["params"]["local"]["mac"]
+				known_macs[data["params"]["local"]["mac"]]=True #TBD
+		except:
+			pass
 
 if __name__ == "__main__":
 	main()