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annotate idavoll/tap.py @ 179:42e23a62b57f

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Guard against missing config for sending last published item on subscription.
author Ralph Meijer <ralphm@ik.nu>
date Thu, 10 Apr 2008 14:06:00 +0000
parents faf1c9bc2612
children c61034369463
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1 # Copyright (c) 2003-2008 Ralph Meijer
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2 # See LICENSE for details.
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3
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4 from twisted.application import service
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5 from twisted.python import usage
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6 from twisted.words.protocols.jabber.jid import JID
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7
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8 from wokkel.component import Component
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9 from wokkel.disco import DiscoHandler
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10 from wokkel.generic import FallbackHandler, VersionHandler
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11 from wokkel.iwokkel import IPubSubService
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12
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13 from idavoll.backend import BackendService
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14
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15 __version__ = '0.6.0'
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16
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17 class Options(usage.Options):
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18 optParameters = [
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19 ('jid', None, 'pubsub', 'JID this component will be available at'),
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20 ('secret', None, 'secret', 'Jabber server component secret'),
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21 ('rhost', None, '127.0.0.1', 'Jabber server host'),
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22 ('rport', None, '5347', 'Jabber server port'),
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23 ('backend', None, 'memory', 'Choice of storage backend'),
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24 ('dbuser', None, '', 'Database user (pgsql backend)'),
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25 ('dbname', None, 'pubsub', 'Database name (pgsql backend)'),
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26 ('dbpass', None, '', 'Database password (pgsql backend)'),
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27 ('dbhost', None, '', 'Database host (pgsql backend)'),
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28 ('dbport', None, '', 'Database port (pgsql backend)'),
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29 ]
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30
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31 optFlags = [
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32 ('verbose', 'v', 'Show traffic'),
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33 ('hide-nodes', None, 'Hide all nodes for disco')
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34 ]
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35
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36 def postOptions(self):
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37 if self['backend'] not in ['pgsql', 'memory']:
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38 raise usage.UsageError, "Unknown backend!"
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40 self['jid'] = JID(self['jid'])
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41
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42 def makeService(config):
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43 s = service.MultiService()
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44
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45 # Create backend service with storage
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46
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47 if config['backend'] == 'pgsql':
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48 from idavoll.pgsql_storage import Storage
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49 st = Storage(user=config['dbuser'],
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50 database=config['dbname'],
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51 password=config['dbpass'],
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52 host=config['dbhost'],
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53 port=config['dbport'])
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54 elif config['backend'] == 'memory':
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55 from idavoll.memory_storage import Storage
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56 st = Storage()
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57
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58 bs = BackendService(st)
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59 bs.setName('backend')
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60 bs.setServiceParent(s)
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62 # Set up XMPP server-side component with publish-subscribe capabilities
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64 cs = Component(config["rhost"], int(config["rport"]),
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65 config["jid"].full(), config["secret"])
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66 cs.setName('component')
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67 cs.setServiceParent(s)
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69 cs.factory.maxDelay = 900
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71 if config["verbose"]:
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72 cs.logTraffic = True
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73
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74 FallbackHandler().setHandlerParent(cs)
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75 VersionHandler('Idavoll', __version__).setHandlerParent(cs)
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76 DiscoHandler().setHandlerParent(cs)
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78 ps = IPubSubService(bs)
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79 ps.setHandlerParent(cs)
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80 ps.hideNodes = config["hide-nodes"]
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81 ps.serviceJID = config["jid"]
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82
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83 return s