1. #!/usr/bin/env python
2. #import pprint
3. import json
4. import ESL
5. import os
6.  
7. import redis
8. r = redis.Redis(host='localhost', port=6379, db=0)
9.  
10. headers = {'Content-Type': 'application/json', 'Accept-Charset': 'UTF-8'}
11.  
12. #pp = pprint.PrettyPrinter(indent=4)
13.  
14. con = ESL.ESLconnection('127.0.0.1', '8021', 'ClueCon')
15. if con.connected():
16.     con.events('json', 'CHANNEL_STATE')
17.     while 1:
18.         e = con.recvEvent()
19.         if e:
20.             call = json.loads(e.serialize('json'))
21.             if call['Event-Name'] == 'CHANNEL_STATE':
22.               #pp.pprint(call)
23.               #print 'Channel-state: '+ call['Channel-State']
24.               if 'Channel-Presence-ID' in call.keys():
25.                 #print 'Channel-Presence-ID: '+ call['Channel-Presence-ID']
26.                 if call['Channel-State'] == 'CS_INIT':
27.                   r.incr(call['Channel-Presence-ID'])
28.                 if (call['Channel-State'] == 'CS_HANGUP') and (r.get(call['Channel-Presence-ID']) > 0):
29.                   r.decr(call['Channel-Presence-ID'])