Mercurial > libervia-pubsub

annotate idavoll/idavoll.py @ 44:bc7438476a67

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Removed IPersistenceService, this is a feature of the storage facility. Moved implementation of backend services to their own class, matching the interfaces.
author Ralph Meijer <ralphm@ik.nu>
date Wed, 03 Nov 2004 14:03:41 +0000
parents 9685b7e291ef
children 0947b46c0968
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1 from twisted.protocols.jabber import component
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2 from twisted.application import service
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3 from twisted.python import components
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4 import backend
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5 import pubsub
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6 import xmpp_error
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7
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8 import sys
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9
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10 NS_DISCO = 'http://jabber.org/protocol/disco'
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11 NS_DISCO_INFO = NS_DISCO + '#info'
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12 NS_DISCO_ITEMS = NS_DISCO + '#items'
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13 NS_VERSION = 'jabber:iq:version'
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15 IQ_GET = '/iq[@type="get"]'
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16 IQ_SET = '/iq[@type="set"]'
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17 VERSION = IQ_GET + '/query[@xmlns="' + NS_VERSION + '"]'
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18 DISCO_INFO = IQ_GET + '/query[@xmlns="' + NS_DISCO_INFO + '"]'
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19 DISCO_ITEMS = IQ_GET + '/query[@xmlns="' + NS_DISCO_ITEMS + '"]'
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20
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21 class IdavollService(component.Service):
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22
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23 def componentConnected(self, xmlstream):
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24 self.xmlstream = xmlstream
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25 xmlstream.addObserver(VERSION, self.onVersion, 1)
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26 xmlstream.addObserver(DISCO_INFO, self.onDiscoInfo, 1)
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27 xmlstream.addObserver(DISCO_ITEMS, self.onDiscoItems, 1)
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28 xmlstream.addObserver(IQ_GET, self.iqFallback, -1)
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29 xmlstream.addObserver(IQ_SET, self.iqFallback, -1)
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31 def getFeatures(self, node):
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32 if not node:
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33 return [NS_DISCO_ITEMS, NS_VERSION]
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35 def onVersion(self, iq):
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36 iq.swapAttributeValues("to", "from")
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37 iq["type"] = "result"
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38 name = iq.addElement("name", None, 'Idavoll')
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39 version = iq.addElement("version", None, '0.1')
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40 self.send(iq)
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41 iq.handled = True
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43 def onDiscoInfo(self, iq):
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44 identities = []
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45 features = []
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46 node = iq.query.getAttribute("node")
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48 for c in self.parent:
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49 if components.implements(c, component.IService):
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50 if hasattr(c, "getIdentities"):
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51 identities.extend(c.getIdentities(node))
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52 if hasattr(c, "getFeatures"):
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53 features.extend(c.getFeatures(node))
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55 if not features and not identities and not node:
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56 xmpp_error.error_from_iq(iq, 'item-not-found')
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57 else:
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58 iq.swapAttributeValues("to", "from")
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59 iq["type"] = "result"
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60 for identity in identities:
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61 i = iq.query.addElement("identity")
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62 i.attributes = identity
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63 print features
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64 for feature in features:
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65 f = iq.query.addElement("feature")
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66 f["var"] = feature
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67
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68 self.send(iq)
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69 iq.handled = True
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71 def onDiscoItems(self, iq):
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72 iq.swapAttributeValues("to", "from")
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73 iq["type"] = "result"
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74 iq.query.children = []
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75 self.send(iq)
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76
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77 def iqFallback(self, iq):
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78 if iq.handled == True:
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79 return
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81 self.send(xmpp_error.error_from_iq(iq, 'service-unavailable'))
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82
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83 def makeService(config):
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84 serviceCollection = service.MultiService()
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85
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86 # set up Jabber Component
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87 sm = component.buildServiceManager(config["jid"], config["secret"],
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88 ("tcp:%s:%s" % (config["rhost"], config["rport"])))
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89
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90 if config['backend'] == 'pgsql':
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91 import pgsql_backend as b
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92 st = b.Storage(user=config['dbuser'], database=config['dbname'])
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93 elif config['backend'] == 'memory':
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94 import memory_backend as b
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95 st = b.Storage()
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96
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97 bs = b.BackendService(st)
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98
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99 component.IService(bs).setServiceParent(sm)
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100
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101 bsc = b.PublishService()
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102 bsc.setServiceParent(bs)
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103 component.IService(bsc).setServiceParent(sm)
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104
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105 bsc = b.NotificationService()
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106 bsc.setServiceParent(bs)
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107 component.IService(bsc).setServiceParent(sm)
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108
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109 if config['backend'] == 'memory':
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110 bsc = b.NodeCreationService()
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111 bsc.setServiceParent(bs)
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112 component.IService(bsc).setServiceParent(sm)
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113
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114 bsc = b.SubscriptionService()
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115 bsc.setServiceParent(bs)
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116 component.IService(bsc).setServiceParent(sm)
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117
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118 s = IdavollService()
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119 s.setServiceParent(sm)
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120
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121 sm.setServiceParent(serviceCollection)
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122
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123 # other stuff
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124
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125 return sm