Mercurial > templog
annotate py/uploader.py @ 157:6d799bee3508
reload config on SIGHUP
| author | Matt Johnston <matt@ucc.asn.au> |
|---|---|
| date | Thu, 03 Jan 2013 20:12:07 +0800 |
| parents | 3b4277aaed3c |
| children | 256505f98c4d |
| rev | line source |
|---|---|
| 145 | 1 import config |
| 2 | |
| 3 import json | |
| 4 import hmac | |
| 5 import zlib | |
| 6 | |
| 7 class Uploader(gevent.Greenlet): | |
| 8 def __init__(self, server): | |
| 9 gevent.Greenlet.__init__(self) | |
| 10 self.server = server | |
| 11 | |
| 12 def _run(self): | |
| 13 while True: | |
| 14 self.do() | |
| 15 gevent.sleep(config.UPLOAD_SLEEP) | |
| 16 | |
| 17 def get_tosend(self, readings): | |
| 18 tosend = {} | |
| 19 | |
| 20 tosend['fridge_on'] = self.server.fridge.is_on() | |
| 21 | |
| 22 tosend['now'] = self.server.now() | |
| 23 tosend['readings'] = readings | |
| 24 | |
| 25 tosend['wort_name'] = self.server.wort_name | |
| 26 tosend['fridge_name'] = self.server.wort_fridge_name | |
| 27 | |
| 28 tosend.update(dict(self.server.params)) | |
| 29 | |
| 30 tosend['start_time'] = self.server.start_time | |
| 31 tosend['uptime'] = utils.uptime() | |
| 32 | |
| 33 return tosend | |
| 34 | |
| 35 def send(self, tosend): | |
| 36 js = json.dumps(tosend) | |
| 37 js_enc = binascii.b2a_base64(zlib.compress(js)) | |
| 38 mac = hmac.new(config.HMAC_KEY, js_enc).hexdigest() | |
| 39 url_data = urllib.urlencode( {'data': js_enc, 'hmac': mac} ) | |
| 40 con = urllib2.urlopen(config.UPDATE_URL, url_data) | |
| 41 result = con.read(100) | |
| 42 if result != 'OK': | |
| 43 raise Exception("Server returned %s" % result) | |
| 44 | |
| 45 def do(): | |
| 46 readings = self.server.take_readings() | |
| 47 try: | |
|
146
3b4277aaed3c
update web to handle new style params
Matt Johnston <matt@ucc.asn.au>
parents:
145
diff
changeset
|
48 tosend = self.get_tosend(readings) |
| 145 | 49 readings = None |
| 50 self.send(tosend) | |
| 51 except Exception, e: | |
| 52 EX"Error in uploader: %s" % str(e)) | |
| 53 finally: | |
| 54 if readings is not None: | |
| 55 self.server.pushfront(readings) |