annotate sat_pubsub/pgsql_storage.py @ 234:51af2ed8bd50

replaced idavoll imports by sat_pubsub imports
author Goffi <goffi@goffi.org>
date Thu, 17 May 2012 01:53:12 +0200
parents 564ae55219e1
children 64f780413b82
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1 #!/usr/bin/python
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2 #-*- coding: utf-8 -*-
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3
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4 """
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5 Copyright (c) 2003-2009 Ralph Meijer
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6 Copyright (c) 2012 Jérôme Poisson
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7
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8
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9 This program is free software: you can redistribute it and/or modify
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10 it under the terms of the GNU Affero General Public License as published by
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11 the Free Software Foundation, either version 3 of the License, or
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12 (at your option) any later version.
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13
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14 This program is distributed in the hope that it will be useful,
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15 but WITHOUT ANY WARRANTY; without even the implied warranty of
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16 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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17 GNU Affero General Public License for more details.
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18
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19 You should have received a copy of the GNU Affero General Public License
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20 along with this program. If not, see <http://www.gnu.org/licenses/>.
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21 --
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22
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23 This program is based on Idavoll (http://idavoll.ik.nu/),
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24 originaly written by Ralph Meijer (http://ralphm.net/blog/)
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25 It is sublicensed under AGPL v3 (or any later version) as allowed by the original
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26 license.
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27
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28 --
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29
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30 Here is a copy of the original license:
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31
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32 Copyright (c) 2003-2009 Ralph Meijer
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33
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34 Permission is hereby granted, free of charge, to any person obtaining
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35 a copy of this software and associated documentation files (the
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36 "Software"), to deal in the Software without restriction, including
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37 without limitation the rights to use, copy, modify, merge, publish,
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38 distribute, sublicense, and/or sell copies of the Software, and to
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39 permit persons to whom the Software is furnished to do so, subject to
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40 the following conditions:
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41
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42 The above copyright notice and this permission notice shall be
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43 included in all copies or substantial portions of the Software.
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44
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45 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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46 EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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47 MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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48 NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
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49 LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
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50 OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
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51 WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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52
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53 """
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54
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55 import copy
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56
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57 from zope.interface import implements
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58
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59 from twisted.enterprise import adbapi
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60 from twisted.words.protocols.jabber import jid
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61
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62 from wokkel.generic import parseXml, stripNamespace
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63 from wokkel.pubsub import Subscription
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64
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65 from sat_pubsub import error, iidavoll
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66
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67 class Storage:
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68
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69 implements(iidavoll.IStorage)
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71 defaultConfig = {
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72 'leaf': {
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73 "pubsub#persist_items": True,
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74 "pubsub#deliver_payloads": True,
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75 "pubsub#send_last_published_item": 'on_sub',
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76 },
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77 'collection': {
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78 "pubsub#deliver_payloads": True,
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79 "pubsub#send_last_published_item": 'on_sub',
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80 }
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81 }
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82
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83 def __init__(self, dbpool):
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84 self.dbpool = dbpool
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85
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86
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87 def getNode(self, nodeIdentifier):
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88 return self.dbpool.runInteraction(self._getNode, nodeIdentifier)
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91 def _getNode(self, cursor, nodeIdentifier):
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92 configuration = {}
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93 cursor.execute("""SELECT node_type,
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94 persist_items,
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95 deliver_payloads,
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96 send_last_published_item
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97 FROM nodes
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98 WHERE node=%s""",
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99 (nodeIdentifier,))
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100 row = cursor.fetchone()
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101
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102 if not row:
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103 raise error.NodeNotFound()
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104
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105 if row[0] == 'leaf':
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106 configuration = {
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107 'pubsub#persist_items': row[1],
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108 'pubsub#deliver_payloads': row[2],
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109 'pubsub#send_last_published_item':
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110 row[3]}
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111 node = LeafNode(nodeIdentifier, configuration)
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112 node.dbpool = self.dbpool
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113 return node
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114 elif row[0] == 'collection':
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115 configuration = {
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116 'pubsub#deliver_payloads': row[2],
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117 'pubsub#send_last_published_item':
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118 row[3]}
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119 node = CollectionNode(nodeIdentifier, configuration)
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120 node.dbpool = self.dbpool
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121 return node
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122
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124
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125 def getNodeIds(self):
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126 d = self.dbpool.runQuery("""SELECT node from nodes""")
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127 d.addCallback(lambda results: [r[0] for r in results])
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128 return d
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129
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130
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131 def createNode(self, nodeIdentifier, owner, config):
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132 return self.dbpool.runInteraction(self._createNode, nodeIdentifier,
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133 owner, config)
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135
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136 def _createNode(self, cursor, nodeIdentifier, owner, config):
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137 if config['pubsub#node_type'] != 'leaf':
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138 raise error.NoCollections()
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139
136
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140 owner = owner.userhost()
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141 try:
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142 cursor.execute("""INSERT INTO nodes
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143 (node, node_type, persist_items,
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144 deliver_payloads, send_last_published_item)
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145 VALUES
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146 (%s, 'leaf', %s, %s, %s)""",
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147 (nodeIdentifier,
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148 config['pubsub#persist_items'],
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149 config['pubsub#deliver_payloads'],
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150 config['pubsub#send_last_published_item'])
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151 )
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152 except cursor._pool.dbapi.IntegrityError:
167
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153 raise error.NodeExists()
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154
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155 cursor.execute("""SELECT 1 from entities where jid=%s""",
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156 (owner,))
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157
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158 if not cursor.fetchone():
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159 cursor.execute("""INSERT INTO entities (jid) VALUES (%s)""",
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160 (owner,))
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161
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162 cursor.execute("""INSERT INTO affiliations
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163 (node_id, entity_id, affiliation)
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164 SELECT node_id, entity_id, 'owner' FROM
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165 (SELECT node_id FROM nodes WHERE node=%s) as n
107
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166 CROSS JOIN
206
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167 (SELECT entity_id FROM entities
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168 WHERE jid=%s) as e""",
198
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169 (nodeIdentifier, owner))
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170
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171
198
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172 def deleteNode(self, nodeIdentifier):
204
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173 return self.dbpool.runInteraction(self._deleteNode, nodeIdentifier)
198
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174
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175
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176 def _deleteNode(self, cursor, nodeIdentifier):
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177 cursor.execute("""DELETE FROM nodes WHERE node=%s""",
198
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178 (nodeIdentifier,))
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179
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180 if cursor.rowcount != 1:
167
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181 raise error.NodeNotFound()
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182
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183
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184 def getAffiliations(self, entity):
204
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185 d = self.dbpool.runQuery("""SELECT node, affiliation FROM entities
206
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186 NATURAL JOIN affiliations
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187 NATURAL JOIN nodes
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188 WHERE jid=%s""",
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189 (entity.userhost(),))
107
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190 d.addCallback(lambda results: [tuple(r) for r in results])
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191 return d
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192
198
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193
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194 def getSubscriptions(self, entity):
206
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195 def toSubscriptions(rows):
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196 subscriptions = []
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197 for row in rows:
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198 subscriber = jid.internJID('%s/%s' % (row[1],
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199 row[2]))
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200 subscription = Subscription(row[0], subscriber, row[3])
206
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201 subscriptions.append(subscription)
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202 return subscriptions
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203
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204 d = self.dbpool.runQuery("""SELECT node, jid, resource, state
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205 FROM entities
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206 NATURAL JOIN subscriptions
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207 NATURAL JOIN nodes
107
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208 WHERE jid=%s""",
136
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209 (entity.userhost(),))
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210 d.addCallback(toSubscriptions)
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211 return d
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212
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213
206
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214 def getDefaultConfiguration(self, nodeType):
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215 return self.defaultConfig[nodeType]
107
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216
171
bc269696ef42 Reply with the correct error condition on subscription when not subscribed.
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217
198
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218
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219 class Node:
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220
167
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221 implements(iidavoll.INode)
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222
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223 def __init__(self, nodeIdentifier, config):
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224 self.nodeIdentifier = nodeIdentifier
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225 self._config = config
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226
198
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227
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228 def _checkNodeExists(self, cursor):
206
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229 cursor.execute("""SELECT node_id FROM nodes WHERE node=%s""",
227
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230 (self.nodeIdentifier,))
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231 if not cursor.fetchone():
167
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232 raise error.NodeNotFound()
121
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233
107
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234
198
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235 def getType(self):
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236 return self.nodeType
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237
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238
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239 def getConfiguration(self):
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240 return self._config
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241
198
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242
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243 def setConfiguration(self, options):
121
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244 config = copy.copy(self._config)
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245
107
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246 for option in options:
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247 if option in config:
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248 config[option] = options[option]
180
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249
204
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250 d = self.dbpool.runInteraction(self._setConfiguration, config)
198
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251 d.addCallback(self._setCachedConfiguration, config)
124
c4ee16bc48e5 Change Node.set_configuration() to set cached configuration in a callback.
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252 return d
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253
198
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254
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255 def _setConfiguration(self, cursor, config):
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256 self._checkNodeExists(cursor)
206
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257 cursor.execute("""UPDATE nodes SET persist_items=%s,
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258 deliver_payloads=%s,
180
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diff changeset
259 send_last_published_item=%s
107
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260 WHERE node=%s""",
121
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261 (config["pubsub#persist_items"],
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262 config["pubsub#deliver_payloads"],
180
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263 config["pubsub#send_last_published_item"],
198
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264 self.nodeIdentifier))
107
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265
198
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266
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267 def _setCachedConfiguration(self, void, config):
121
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268 self._config = config
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269
198
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270
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271 def getMetaData(self):
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272 config = copy.copy(self._config)
198
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273 config["pubsub#node_type"] = self.nodeType
107
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274 return config
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275
198
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276
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277 def getAffiliation(self, entity):
204
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278 return self.dbpool.runInteraction(self._getAffiliation, entity)
107
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279
198
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diff changeset
280
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281 def _getAffiliation(self, cursor, entity):
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282 self._checkNodeExists(cursor)
107
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283 cursor.execute("""SELECT affiliation FROM affiliations
206
274a45d2a5ab Implement root collection that includes all leaf nodes.
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284 NATURAL JOIN nodes
274a45d2a5ab Implement root collection that includes all leaf nodes.
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285 NATURAL JOIN entities
107
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286 WHERE node=%s AND jid=%s""",
198
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287 (self.nodeIdentifier,
136
327de183f48d Discover client_encoding parameter to pyPgSQL, removing all encode() calls.
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288 entity.userhost()))
107
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289
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290 try:
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291 return cursor.fetchone()[0]
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292 except TypeError:
d252d793f0ed Initial revision.
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293 return None
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294
198
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diff changeset
295
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296 def getSubscription(self, subscriber):
204
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297 return self.dbpool.runInteraction(self._getSubscription, subscriber)
121
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298
198
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diff changeset
299
e404775b12df Change naming and spacing conventions to match Twisted's.
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300 def _getSubscription(self, cursor, subscriber):
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301 self._checkNodeExists(cursor)
121
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302
4f0113adb7ed Add Node._check_node_exists() calls to all Node methods, because nodes could
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303 userhost = subscriber.userhost()
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304 resource = subscriber.resource or ''
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305
206
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306 cursor.execute("""SELECT state FROM subscriptions
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307 NATURAL JOIN nodes
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308 NATURAL JOIN entities
121
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309 WHERE node=%s AND jid=%s AND resource=%s""",
198
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310 (self.nodeIdentifier,
136
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311 userhost,
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312 resource))
206
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313 row = cursor.fetchone()
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314 if not row:
121
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315 return None
206
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316 else:
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317 return Subscription(self.nodeIdentifier, subscriber, row[0])
206
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318
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319
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320 def getSubscriptions(self, state=None):
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321 return self.dbpool.runInteraction(self._getSubscriptions, state)
121
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322
198
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323
206
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324 def _getSubscriptions(self, cursor, state):
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325 self._checkNodeExists(cursor)
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326
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327 query = """SELECT jid, resource, state,
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328 subscription_type, subscription_depth
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329 FROM subscriptions
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330 NATURAL JOIN nodes
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331 NATURAL JOIN entities
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332 WHERE node=%s""";
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333 values = [self.nodeIdentifier]
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334
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335 if state:
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336 query += " AND state=%s"
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337 values.append(state)
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338
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339 cursor.execute(query, values);
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340 rows = cursor.fetchall()
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341
274a45d2a5ab Implement root collection that includes all leaf nodes.
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342 subscriptions = []
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343 for row in rows:
227
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344 subscriber = jid.JID('%s/%s' % (row[0], row[1]))
206
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345
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346 options = {}
227
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347 if row[3]:
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348 options['pubsub#subscription_type'] = row[3];
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349 if row[4]:
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350 options['pubsub#subscription_depth'] = row[4];
206
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351
274a45d2a5ab Implement root collection that includes all leaf nodes.
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352 subscriptions.append(Subscription(self.nodeIdentifier, subscriber,
227
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353 row[2], options))
206
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354
274a45d2a5ab Implement root collection that includes all leaf nodes.
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355 return subscriptions
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d252d793f0ed Initial revision.
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356
198
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357
206
274a45d2a5ab Implement root collection that includes all leaf nodes.
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358 def addSubscription(self, subscriber, state, config):
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359 return self.dbpool.runInteraction(self._addSubscription, subscriber,
274a45d2a5ab Implement root collection that includes all leaf nodes.
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diff changeset
360 state, config)
274a45d2a5ab Implement root collection that includes all leaf nodes.
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diff changeset
361
274a45d2a5ab Implement root collection that includes all leaf nodes.
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diff changeset
362
274a45d2a5ab Implement root collection that includes all leaf nodes.
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363 def _addSubscription(self, cursor, subscriber, state, config):
198
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364 self._checkNodeExists(cursor)
121
4f0113adb7ed Add Node._check_node_exists() calls to all Node methods, because nodes could
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diff changeset
365
107
d252d793f0ed Initial revision.
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366 userhost = subscriber.userhost()
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367 resource = subscriber.resource or ''
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368
206
274a45d2a5ab Implement root collection that includes all leaf nodes.
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369 subscription_type = config.get('pubsub#subscription_type')
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370 subscription_depth = config.get('pubsub#subscription_depth')
274a45d2a5ab Implement root collection that includes all leaf nodes.
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diff changeset
371
107
d252d793f0ed Initial revision.
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372 try:
d252d793f0ed Initial revision.
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373 cursor.execute("""INSERT INTO entities (jid) VALUES (%s)""",
227
8540825f85e0 Replaced unmaintained pyPgSQL by Psycopg 2
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parents: 206
diff changeset
374 (userhost,))
8540825f85e0 Replaced unmaintained pyPgSQL by Psycopg 2
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diff changeset
375 except cursor._pool.dbapi.IntegrityError:
8540825f85e0 Replaced unmaintained pyPgSQL by Psycopg 2
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376 cursor._connection.rollback()
107
d252d793f0ed Initial revision.
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377
d252d793f0ed Initial revision.
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378 try:
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379 cursor.execute("""INSERT INTO subscriptions
206
274a45d2a5ab Implement root collection that includes all leaf nodes.
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diff changeset
380 (node_id, entity_id, resource, state,
274a45d2a5ab Implement root collection that includes all leaf nodes.
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diff changeset
381 subscription_type, subscription_depth)
274a45d2a5ab Implement root collection that includes all leaf nodes.
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diff changeset
382 SELECT node_id, entity_id, %s, %s, %s, %s FROM
274a45d2a5ab Implement root collection that includes all leaf nodes.
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diff changeset
383 (SELECT node_id FROM nodes
274a45d2a5ab Implement root collection that includes all leaf nodes.
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384 WHERE node=%s) as n
107
d252d793f0ed Initial revision.
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385 CROSS JOIN
206
274a45d2a5ab Implement root collection that includes all leaf nodes.
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diff changeset
386 (SELECT entity_id FROM entities
274a45d2a5ab Implement root collection that includes all leaf nodes.
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diff changeset
387 WHERE jid=%s) as e""",
136
327de183f48d Discover client_encoding parameter to pyPgSQL, removing all encode() calls.
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diff changeset
388 (resource,
327de183f48d Discover client_encoding parameter to pyPgSQL, removing all encode() calls.
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389 state,
206
274a45d2a5ab Implement root collection that includes all leaf nodes.
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390 subscription_type,
274a45d2a5ab Implement root collection that includes all leaf nodes.
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diff changeset
391 subscription_depth,
198
e404775b12df Change naming and spacing conventions to match Twisted's.
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diff changeset
392 self.nodeIdentifier,
136
327de183f48d Discover client_encoding parameter to pyPgSQL, removing all encode() calls.
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diff changeset
393 userhost))
227
8540825f85e0 Replaced unmaintained pyPgSQL by Psycopg 2
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parents: 206
diff changeset
394 except cursor._pool.dbapi.IntegrityError:
167
ef22e4150caa Move protocol implementations (pubsub, disco, forms) to and depend on wokkel.
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diff changeset
395 raise error.SubscriptionExists()
121
4f0113adb7ed Add Node._check_node_exists() calls to all Node methods, because nodes could
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parents: 113
diff changeset
396
198
e404775b12df Change naming and spacing conventions to match Twisted's.
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parents: 181
diff changeset
397
e404775b12df Change naming and spacing conventions to match Twisted's.
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diff changeset
398 def removeSubscription(self, subscriber):
204
b4bf0a5ce50d Implement storage facilities for the HTTP gateway.
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diff changeset
399 return self.dbpool.runInteraction(self._removeSubscription,
121
4f0113adb7ed Add Node._check_node_exists() calls to all Node methods, because nodes could
Ralph Meijer <ralphm@ik.nu>
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diff changeset
400 subscriber)
4f0113adb7ed Add Node._check_node_exists() calls to all Node methods, because nodes could
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diff changeset
401
198
e404775b12df Change naming and spacing conventions to match Twisted's.
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diff changeset
402
e404775b12df Change naming and spacing conventions to match Twisted's.
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diff changeset
403 def _removeSubscription(self, cursor, subscriber):
e404775b12df Change naming and spacing conventions to match Twisted's.
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diff changeset
404 self._checkNodeExists(cursor)
121
4f0113adb7ed Add Node._check_node_exists() calls to all Node methods, because nodes could
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parents: 113
diff changeset
405
4f0113adb7ed Add Node._check_node_exists() calls to all Node methods, because nodes could
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diff changeset
406 userhost = subscriber.userhost()
4f0113adb7ed Add Node._check_node_exists() calls to all Node methods, because nodes could
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diff changeset
407 resource = subscriber.resource or ''
107
d252d793f0ed Initial revision.
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parents:
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408
121
4f0113adb7ed Add Node._check_node_exists() calls to all Node methods, because nodes could
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diff changeset
409 cursor.execute("""DELETE FROM subscriptions WHERE
206
274a45d2a5ab Implement root collection that includes all leaf nodes.
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diff changeset
410 node_id=(SELECT node_id FROM nodes
274a45d2a5ab Implement root collection that includes all leaf nodes.
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diff changeset
411 WHERE node=%s) AND
274a45d2a5ab Implement root collection that includes all leaf nodes.
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diff changeset
412 entity_id=(SELECT entity_id FROM entities
274a45d2a5ab Implement root collection that includes all leaf nodes.
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diff changeset
413 WHERE jid=%s) AND
274a45d2a5ab Implement root collection that includes all leaf nodes.
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diff changeset
414 resource=%s""",
198
e404775b12df Change naming and spacing conventions to match Twisted's.
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diff changeset
415 (self.nodeIdentifier,
136
327de183f48d Discover client_encoding parameter to pyPgSQL, removing all encode() calls.
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parents: 127
diff changeset
416 userhost,
327de183f48d Discover client_encoding parameter to pyPgSQL, removing all encode() calls.
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diff changeset
417 resource))
121
4f0113adb7ed Add Node._check_node_exists() calls to all Node methods, because nodes could
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diff changeset
418 if cursor.rowcount != 1:
171
bc269696ef42 Reply with the correct error condition on subscription when not subscribed.
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diff changeset
419 raise error.NotSubscribed()
107
d252d793f0ed Initial revision.
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420
121
4f0113adb7ed Add Node._check_node_exists() calls to all Node methods, because nodes could
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421 return None
107
d252d793f0ed Initial revision.
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parents:
diff changeset
422
198
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diff changeset
423
e404775b12df Change naming and spacing conventions to match Twisted's.
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diff changeset
424 def isSubscribed(self, entity):
204
b4bf0a5ce50d Implement storage facilities for the HTTP gateway.
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diff changeset
425 return self.dbpool.runInteraction(self._isSubscribed, entity)
121
4f0113adb7ed Add Node._check_node_exists() calls to all Node methods, because nodes could
Ralph Meijer <ralphm@ik.nu>
parents: 113
diff changeset
426
198
e404775b12df Change naming and spacing conventions to match Twisted's.
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parents: 181
diff changeset
427
e404775b12df Change naming and spacing conventions to match Twisted's.
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diff changeset
428 def _isSubscribed(self, cursor, entity):
e404775b12df Change naming and spacing conventions to match Twisted's.
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diff changeset
429 self._checkNodeExists(cursor)
121
4f0113adb7ed Add Node._check_node_exists() calls to all Node methods, because nodes could
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parents: 113
diff changeset
430
4f0113adb7ed Add Node._check_node_exists() calls to all Node methods, because nodes could
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diff changeset
431 cursor.execute("""SELECT 1 FROM entities
206
274a45d2a5ab Implement root collection that includes all leaf nodes.
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diff changeset
432 NATURAL JOIN subscriptions
274a45d2a5ab Implement root collection that includes all leaf nodes.
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diff changeset
433 NATURAL JOIN nodes
146
b4490bdc77e5 Change semantics of Node.is_subscribed() to match all subscriptions for an
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parents: 145
diff changeset
434 WHERE entities.jid=%s
206
274a45d2a5ab Implement root collection that includes all leaf nodes.
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diff changeset
435 AND node=%s AND state='subscribed'""",
146
b4490bdc77e5 Change semantics of Node.is_subscribed() to match all subscriptions for an
Ralph Meijer <ralphm@ik.nu>
parents: 145
diff changeset
436 (entity.userhost(),
198
e404775b12df Change naming and spacing conventions to match Twisted's.
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parents: 181
diff changeset
437 self.nodeIdentifier))
121
4f0113adb7ed Add Node._check_node_exists() calls to all Node methods, because nodes could
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parents: 113
diff changeset
438
4f0113adb7ed Add Node._check_node_exists() calls to all Node methods, because nodes could
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parents: 113
diff changeset
439 return cursor.fetchone() is not None
107
d252d793f0ed Initial revision.
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parents:
diff changeset
440
198
e404775b12df Change naming and spacing conventions to match Twisted's.
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parents: 181
diff changeset
441
e404775b12df Change naming and spacing conventions to match Twisted's.
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parents: 181
diff changeset
442 def getAffiliations(self):
204
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443 return self.dbpool.runInteraction(self._getAffiliations)
145
f393bccec4bc Add get_affiliations to Node class in storage facilities in preparation of
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444
198
e404775b12df Change naming and spacing conventions to match Twisted's.
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diff changeset
445
e404775b12df Change naming and spacing conventions to match Twisted's.
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diff changeset
446 def _getAffiliations(self, cursor):
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447 self._checkNodeExists(cursor)
145
f393bccec4bc Add get_affiliations to Node class in storage facilities in preparation of
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diff changeset
448
f393bccec4bc Add get_affiliations to Node class in storage facilities in preparation of
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449 cursor.execute("""SELECT jid, affiliation FROM nodes
206
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diff changeset
450 NATURAL JOIN affiliations
274a45d2a5ab Implement root collection that includes all leaf nodes.
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diff changeset
451 NATURAL JOIN entities
145
f393bccec4bc Add get_affiliations to Node class in storage facilities in preparation of
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diff changeset
452 WHERE node=%s""",
227
8540825f85e0 Replaced unmaintained pyPgSQL by Psycopg 2
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parents: 206
diff changeset
453 (self.nodeIdentifier,))
145
f393bccec4bc Add get_affiliations to Node class in storage facilities in preparation of
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diff changeset
454 result = cursor.fetchall()
180
fc687620599b Properly add send_last_published_item configuration item.
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diff changeset
455
148
b03e5ad81173 Change all calls to jid.JID to jid.internJID to avoid redoing stringprep.
Ralph Meijer <ralphm@ik.nu>
parents: 146
diff changeset
456 return [(jid.internJID(r[0]), r[1]) for r in result]
145
f393bccec4bc Add get_affiliations to Node class in storage facilities in preparation of
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diff changeset
457
198
e404775b12df Change naming and spacing conventions to match Twisted's.
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diff changeset
458
e404775b12df Change naming and spacing conventions to match Twisted's.
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diff changeset
459
206
274a45d2a5ab Implement root collection that includes all leaf nodes.
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diff changeset
460 class LeafNode(Node):
274a45d2a5ab Implement root collection that includes all leaf nodes.
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461
274a45d2a5ab Implement root collection that includes all leaf nodes.
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462 implements(iidavoll.ILeafNode)
107
d252d793f0ed Initial revision.
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463
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464 nodeType = 'leaf'
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465
198
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466 def storeItems(self, items, publisher):
204
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diff changeset
467 return self.dbpool.runInteraction(self._storeItems, items, publisher)
198
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468
121
4f0113adb7ed Add Node._check_node_exists() calls to all Node methods, because nodes could
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diff changeset
469
198
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470 def _storeItems(self, cursor, items, publisher):
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471 self._checkNodeExists(cursor)
121
4f0113adb7ed Add Node._check_node_exists() calls to all Node methods, because nodes could
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472 for item in items:
198
e404775b12df Change naming and spacing conventions to match Twisted's.
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473 self._storeItem(cursor, item, publisher)
121
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parents: 113
diff changeset
474
198
e404775b12df Change naming and spacing conventions to match Twisted's.
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diff changeset
475
e404775b12df Change naming and spacing conventions to match Twisted's.
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476 def _storeItem(self, cursor, item, publisher):
121
4f0113adb7ed Add Node._check_node_exists() calls to all Node methods, because nodes could
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parents: 113
diff changeset
477 data = item.toXml()
4f0113adb7ed Add Node._check_node_exists() calls to all Node methods, because nodes could
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diff changeset
478 cursor.execute("""UPDATE items SET date=now(), publisher=%s, data=%s
4f0113adb7ed Add Node._check_node_exists() calls to all Node methods, because nodes could
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diff changeset
479 FROM nodes
206
274a45d2a5ab Implement root collection that includes all leaf nodes.
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diff changeset
480 WHERE nodes.node_id = items.node_id AND
121
4f0113adb7ed Add Node._check_node_exists() calls to all Node methods, because nodes could
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diff changeset
481 nodes.node = %s and items.item=%s""",
136
327de183f48d Discover client_encoding parameter to pyPgSQL, removing all encode() calls.
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diff changeset
482 (publisher.full(),
127
d3689da18ed2 Don't use encode('utf-8') on serialized XML.
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diff changeset
483 data,
198
e404775b12df Change naming and spacing conventions to match Twisted's.
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diff changeset
484 self.nodeIdentifier,
136
327de183f48d Discover client_encoding parameter to pyPgSQL, removing all encode() calls.
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diff changeset
485 item["id"]))
121
4f0113adb7ed Add Node._check_node_exists() calls to all Node methods, because nodes could
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parents: 113
diff changeset
486 if cursor.rowcount == 1:
4f0113adb7ed Add Node._check_node_exists() calls to all Node methods, because nodes could
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parents: 113
diff changeset
487 return
4f0113adb7ed Add Node._check_node_exists() calls to all Node methods, because nodes could
Ralph Meijer <ralphm@ik.nu>
parents: 113
diff changeset
488
4f0113adb7ed Add Node._check_node_exists() calls to all Node methods, because nodes could
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parents: 113
diff changeset
489 cursor.execute("""INSERT INTO items (node_id, item, publisher, data)
206
274a45d2a5ab Implement root collection that includes all leaf nodes.
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parents: 204
diff changeset
490 SELECT node_id, %s, %s, %s FROM nodes
274a45d2a5ab Implement root collection that includes all leaf nodes.
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diff changeset
491 WHERE node=%s""",
136
327de183f48d Discover client_encoding parameter to pyPgSQL, removing all encode() calls.
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parents: 127
diff changeset
492 (item["id"],
327de183f48d Discover client_encoding parameter to pyPgSQL, removing all encode() calls.
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parents: 127
diff changeset
493 publisher.full(),
127
d3689da18ed2 Don't use encode('utf-8') on serialized XML.
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diff changeset
494 data,
198
e404775b12df Change naming and spacing conventions to match Twisted's.
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diff changeset
495 self.nodeIdentifier))
e404775b12df Change naming and spacing conventions to match Twisted's.
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diff changeset
496
107
d252d793f0ed Initial revision.
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parents:
diff changeset
497
198
e404775b12df Change naming and spacing conventions to match Twisted's.
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diff changeset
498 def removeItems(self, itemIdentifiers):
204
b4bf0a5ce50d Implement storage facilities for the HTTP gateway.
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parents: 202
diff changeset
499 return self.dbpool.runInteraction(self._removeItems, itemIdentifiers)
121
4f0113adb7ed Add Node._check_node_exists() calls to all Node methods, because nodes could
Ralph Meijer <ralphm@ik.nu>
parents: 113
diff changeset
500
198
e404775b12df Change naming and spacing conventions to match Twisted's.
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parents: 181
diff changeset
501
e404775b12df Change naming and spacing conventions to match Twisted's.
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parents: 181
diff changeset
502 def _removeItems(self, cursor, itemIdentifiers):
e404775b12df Change naming and spacing conventions to match Twisted's.
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diff changeset
503 self._checkNodeExists(cursor)
180
fc687620599b Properly add send_last_published_item configuration item.
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parents: 173
diff changeset
504
121
4f0113adb7ed Add Node._check_node_exists() calls to all Node methods, because nodes could
Ralph Meijer <ralphm@ik.nu>
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diff changeset
505 deleted = []
4f0113adb7ed Add Node._check_node_exists() calls to all Node methods, because nodes could
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parents: 113
diff changeset
506
198
e404775b12df Change naming and spacing conventions to match Twisted's.
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parents: 181
diff changeset
507 for itemIdentifier in itemIdentifiers:
121
4f0113adb7ed Add Node._check_node_exists() calls to all Node methods, because nodes could
Ralph Meijer <ralphm@ik.nu>
parents: 113
diff changeset
508 cursor.execute("""DELETE FROM items WHERE
206
274a45d2a5ab Implement root collection that includes all leaf nodes.
Ralph Meijer <ralphm@ik.nu>
parents: 204
diff changeset
509 node_id=(SELECT node_id FROM nodes
274a45d2a5ab Implement root collection that includes all leaf nodes.
Ralph Meijer <ralphm@ik.nu>
parents: 204
diff changeset
510 WHERE node=%s) AND
121
4f0113adb7ed Add Node._check_node_exists() calls to all Node methods, because nodes could
Ralph Meijer <ralphm@ik.nu>
parents: 113
diff changeset
511 item=%s""",
198
e404775b12df Change naming and spacing conventions to match Twisted's.
Ralph Meijer <ralphm@ik.nu>
parents: 181
diff changeset
512 (self.nodeIdentifier,
e404775b12df Change naming and spacing conventions to match Twisted's.
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parents: 181
diff changeset
513 itemIdentifier))
121
4f0113adb7ed Add Node._check_node_exists() calls to all Node methods, because nodes could
Ralph Meijer <ralphm@ik.nu>
parents: 113
diff changeset
514
142
812300cdbc22 Changed behaviour of retraction of items so that only the actually deleted
Ralph Meijer <ralphm@ik.nu>
parents: 136
diff changeset
515 if cursor.rowcount:
198
e404775b12df Change naming and spacing conventions to match Twisted's.
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parents: 181
diff changeset
516 deleted.append(itemIdentifier)
142
812300cdbc22 Changed behaviour of retraction of items so that only the actually deleted
Ralph Meijer <ralphm@ik.nu>
parents: 136
diff changeset
517
812300cdbc22 Changed behaviour of retraction of items so that only the actually deleted
Ralph Meijer <ralphm@ik.nu>
parents: 136
diff changeset
518 return deleted
107
d252d793f0ed Initial revision.
Ralph Meijer <ralphm@ik.nu>
parents:
diff changeset
519
198
e404775b12df Change naming and spacing conventions to match Twisted's.
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parents: 181
diff changeset
520
e404775b12df Change naming and spacing conventions to match Twisted's.
Ralph Meijer <ralphm@ik.nu>
parents: 181
diff changeset
521 def getItems(self, maxItems=None):
204
b4bf0a5ce50d Implement storage facilities for the HTTP gateway.
Ralph Meijer <ralphm@ik.nu>
parents: 202
diff changeset
522 return self.dbpool.runInteraction(self._getItems, maxItems)
121
4f0113adb7ed Add Node._check_node_exists() calls to all Node methods, because nodes could
Ralph Meijer <ralphm@ik.nu>
parents: 113
diff changeset
523
198
e404775b12df Change naming and spacing conventions to match Twisted's.
Ralph Meijer <ralphm@ik.nu>
parents: 181
diff changeset
524
e404775b12df Change naming and spacing conventions to match Twisted's.
Ralph Meijer <ralphm@ik.nu>
parents: 181
diff changeset
525 def _getItems(self, cursor, maxItems):
e404775b12df Change naming and spacing conventions to match Twisted's.
Ralph Meijer <ralphm@ik.nu>
parents: 181
diff changeset
526 self._checkNodeExists(cursor)
206
274a45d2a5ab Implement root collection that includes all leaf nodes.
Ralph Meijer <ralphm@ik.nu>
parents: 204
diff changeset
527 query = """SELECT data FROM nodes
274a45d2a5ab Implement root collection that includes all leaf nodes.
Ralph Meijer <ralphm@ik.nu>
parents: 204
diff changeset
528 NATURAL JOIN items
121
4f0113adb7ed Add Node._check_node_exists() calls to all Node methods, because nodes could
Ralph Meijer <ralphm@ik.nu>
parents: 113
diff changeset
529 WHERE node=%s ORDER BY date DESC"""
198
e404775b12df Change naming and spacing conventions to match Twisted's.
Ralph Meijer <ralphm@ik.nu>
parents: 181
diff changeset
530 if maxItems:
121
4f0113adb7ed Add Node._check_node_exists() calls to all Node methods, because nodes could
Ralph Meijer <ralphm@ik.nu>
parents: 113
diff changeset
531 cursor.execute(query + " LIMIT %s",
198
e404775b12df Change naming and spacing conventions to match Twisted's.
Ralph Meijer <ralphm@ik.nu>
parents: 181
diff changeset
532 (self.nodeIdentifier,
e404775b12df Change naming and spacing conventions to match Twisted's.
Ralph Meijer <ralphm@ik.nu>
parents: 181
diff changeset
533 maxItems))
121
4f0113adb7ed Add Node._check_node_exists() calls to all Node methods, because nodes could
Ralph Meijer <ralphm@ik.nu>
parents: 113
diff changeset
534 else:
227
8540825f85e0 Replaced unmaintained pyPgSQL by Psycopg 2
Goffi <goffi@goffi.org>
parents: 206
diff changeset
535 cursor.execute(query, (self.nodeIdentifier,))
121
4f0113adb7ed Add Node._check_node_exists() calls to all Node methods, because nodes could
Ralph Meijer <ralphm@ik.nu>
parents: 113
diff changeset
536
4f0113adb7ed Add Node._check_node_exists() calls to all Node methods, because nodes could
Ralph Meijer <ralphm@ik.nu>
parents: 113
diff changeset
537 result = cursor.fetchall()
206
274a45d2a5ab Implement root collection that includes all leaf nodes.
Ralph Meijer <ralphm@ik.nu>
parents: 204
diff changeset
538 items = [stripNamespace(parseXml(r[0])) for r in result]
274a45d2a5ab Implement root collection that includes all leaf nodes.
Ralph Meijer <ralphm@ik.nu>
parents: 204
diff changeset
539 return items
107
d252d793f0ed Initial revision.
Ralph Meijer <ralphm@ik.nu>
parents:
diff changeset
540
198
e404775b12df Change naming and spacing conventions to match Twisted's.
Ralph Meijer <ralphm@ik.nu>
parents: 181
diff changeset
541
e404775b12df Change naming and spacing conventions to match Twisted's.
Ralph Meijer <ralphm@ik.nu>
parents: 181
diff changeset
542 def getItemsById(self, itemIdentifiers):
204
b4bf0a5ce50d Implement storage facilities for the HTTP gateway.
Ralph Meijer <ralphm@ik.nu>
parents: 202
diff changeset
543 return self.dbpool.runInteraction(self._getItemsById, itemIdentifiers)
198
e404775b12df Change naming and spacing conventions to match Twisted's.
Ralph Meijer <ralphm@ik.nu>
parents: 181
diff changeset
544
121
4f0113adb7ed Add Node._check_node_exists() calls to all Node methods, because nodes could
Ralph Meijer <ralphm@ik.nu>
parents: 113
diff changeset
545
198
e404775b12df Change naming and spacing conventions to match Twisted's.
Ralph Meijer <ralphm@ik.nu>
parents: 181
diff changeset
546 def _getItemsById(self, cursor, itemIdentifiers):
e404775b12df Change naming and spacing conventions to match Twisted's.
Ralph Meijer <ralphm@ik.nu>
parents: 181
diff changeset
547 self._checkNodeExists(cursor)
121
4f0113adb7ed Add Node._check_node_exists() calls to all Node methods, because nodes could
Ralph Meijer <ralphm@ik.nu>
parents: 113
diff changeset
548 items = []
198
e404775b12df Change naming and spacing conventions to match Twisted's.
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parents: 181
diff changeset
549 for itemIdentifier in itemIdentifiers:
206
274a45d2a5ab Implement root collection that includes all leaf nodes.
Ralph Meijer <ralphm@ik.nu>
parents: 204
diff changeset
550 cursor.execute("""SELECT data FROM nodes
274a45d2a5ab Implement root collection that includes all leaf nodes.
Ralph Meijer <ralphm@ik.nu>
parents: 204
diff changeset
551 NATURAL JOIN items
121
4f0113adb7ed Add Node._check_node_exists() calls to all Node methods, because nodes could
Ralph Meijer <ralphm@ik.nu>
parents: 113
diff changeset
552 WHERE node=%s AND item=%s""",
198
e404775b12df Change naming and spacing conventions to match Twisted's.
Ralph Meijer <ralphm@ik.nu>
parents: 181
diff changeset
553 (self.nodeIdentifier,
e404775b12df Change naming and spacing conventions to match Twisted's.
Ralph Meijer <ralphm@ik.nu>
parents: 181
diff changeset
554 itemIdentifier))
121
4f0113adb7ed Add Node._check_node_exists() calls to all Node methods, because nodes could
Ralph Meijer <ralphm@ik.nu>
parents: 113
diff changeset
555 result = cursor.fetchone()
4f0113adb7ed Add Node._check_node_exists() calls to all Node methods, because nodes could
Ralph Meijer <ralphm@ik.nu>
parents: 113
diff changeset
556 if result:
202
77c61e2b8c75 Use `domish.Element`s to represent items, instead of serialized XML.
Ralph Meijer <ralphm@ik.nu>
parents: 198
diff changeset
557 items.append(parseXml(result[0]))
121
4f0113adb7ed Add Node._check_node_exists() calls to all Node methods, because nodes could
Ralph Meijer <ralphm@ik.nu>
parents: 113
diff changeset
558 return items
107
d252d793f0ed Initial revision.
Ralph Meijer <ralphm@ik.nu>
parents:
diff changeset
559
198
e404775b12df Change naming and spacing conventions to match Twisted's.
Ralph Meijer <ralphm@ik.nu>
parents: 181
diff changeset
560
107
d252d793f0ed Initial revision.
Ralph Meijer <ralphm@ik.nu>
parents:
diff changeset
561 def purge(self):
204
b4bf0a5ce50d Implement storage facilities for the HTTP gateway.
Ralph Meijer <ralphm@ik.nu>
parents: 202
diff changeset
562 return self.dbpool.runInteraction(self._purge)
121
4f0113adb7ed Add Node._check_node_exists() calls to all Node methods, because nodes could
Ralph Meijer <ralphm@ik.nu>
parents: 113
diff changeset
563
198
e404775b12df Change naming and spacing conventions to match Twisted's.
Ralph Meijer <ralphm@ik.nu>
parents: 181
diff changeset
564
127
d3689da18ed2 Don't use encode('utf-8') on serialized XML.
Ralph Meijer <ralphm@ik.nu>
parents: 124
diff changeset
565 def _purge(self, cursor):
198
e404775b12df Change naming and spacing conventions to match Twisted's.
Ralph Meijer <ralphm@ik.nu>
parents: 181
diff changeset
566 self._checkNodeExists(cursor)
121
4f0113adb7ed Add Node._check_node_exists() calls to all Node methods, because nodes could
Ralph Meijer <ralphm@ik.nu>
parents: 113
diff changeset
567
4f0113adb7ed Add Node._check_node_exists() calls to all Node methods, because nodes could
Ralph Meijer <ralphm@ik.nu>
parents: 113
diff changeset
568 cursor.execute("""DELETE FROM items WHERE
206
274a45d2a5ab Implement root collection that includes all leaf nodes.
Ralph Meijer <ralphm@ik.nu>
parents: 204
diff changeset
569 node_id=(SELECT node_id FROM nodes WHERE node=%s)""",
198
e404775b12df Change naming and spacing conventions to match Twisted's.
Ralph Meijer <ralphm@ik.nu>
parents: 181
diff changeset
570 (self.nodeIdentifier,))
e404775b12df Change naming and spacing conventions to match Twisted's.
Ralph Meijer <ralphm@ik.nu>
parents: 181
diff changeset
571
e404775b12df Change naming and spacing conventions to match Twisted's.
Ralph Meijer <ralphm@ik.nu>
parents: 181
diff changeset
572
206
274a45d2a5ab Implement root collection that includes all leaf nodes.
Ralph Meijer <ralphm@ik.nu>
parents: 204
diff changeset
573 class CollectionNode(Node):
146
b4490bdc77e5 Change semantics of Node.is_subscribed() to match all subscriptions for an
Ralph Meijer <ralphm@ik.nu>
parents: 145
diff changeset
574
206
274a45d2a5ab Implement root collection that includes all leaf nodes.
Ralph Meijer <ralphm@ik.nu>
parents: 204
diff changeset
575 nodeType = 'collection'
204
b4bf0a5ce50d Implement storage facilities for the HTTP gateway.
Ralph Meijer <ralphm@ik.nu>
parents: 202
diff changeset
576
b4bf0a5ce50d Implement storage facilities for the HTTP gateway.
Ralph Meijer <ralphm@ik.nu>
parents: 202
diff changeset
577
b4bf0a5ce50d Implement storage facilities for the HTTP gateway.
Ralph Meijer <ralphm@ik.nu>
parents: 202
diff changeset
578
b4bf0a5ce50d Implement storage facilities for the HTTP gateway.
Ralph Meijer <ralphm@ik.nu>
parents: 202
diff changeset
579 class GatewayStorage(object):
b4bf0a5ce50d Implement storage facilities for the HTTP gateway.
Ralph Meijer <ralphm@ik.nu>
parents: 202
diff changeset
580 """
b4bf0a5ce50d Implement storage facilities for the HTTP gateway.
Ralph Meijer <ralphm@ik.nu>
parents: 202
diff changeset
581 Memory based storage facility for the XMPP-HTTP gateway.
b4bf0a5ce50d Implement storage facilities for the HTTP gateway.
Ralph Meijer <ralphm@ik.nu>
parents: 202
diff changeset
582 """
b4bf0a5ce50d Implement storage facilities for the HTTP gateway.
Ralph Meijer <ralphm@ik.nu>
parents: 202
diff changeset
583
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584 def __init__(self, dbpool):
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Ralph Meijer <ralphm@ik.nu>
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585 self.dbpool = dbpool
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Ralph Meijer <ralphm@ik.nu>
parents: 202
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586
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Ralph Meijer <ralphm@ik.nu>
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587
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Ralph Meijer <ralphm@ik.nu>
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588 def _countCallbacks(self, cursor, service, nodeIdentifier):
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Ralph Meijer <ralphm@ik.nu>
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589 """
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Ralph Meijer <ralphm@ik.nu>
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590 Count number of callbacks registered for a node.
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Ralph Meijer <ralphm@ik.nu>
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591 """
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Ralph Meijer <ralphm@ik.nu>
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592 cursor.execute("""SELECT count(*) FROM callbacks
b4bf0a5ce50d Implement storage facilities for the HTTP gateway.
Ralph Meijer <ralphm@ik.nu>
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593 WHERE service=%s and node=%s""",
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Ralph Meijer <ralphm@ik.nu>
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594 service.full(),
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Ralph Meijer <ralphm@ik.nu>
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595 nodeIdentifier)
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Ralph Meijer <ralphm@ik.nu>
parents: 202
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596 results = cursor.fetchall()
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Ralph Meijer <ralphm@ik.nu>
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597 return results[0][0]
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Ralph Meijer <ralphm@ik.nu>
parents: 202
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598
b4bf0a5ce50d Implement storage facilities for the HTTP gateway.
Ralph Meijer <ralphm@ik.nu>
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599
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Ralph Meijer <ralphm@ik.nu>
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600 def addCallback(self, service, nodeIdentifier, callback):
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Ralph Meijer <ralphm@ik.nu>
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601 def interaction(cursor):
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Ralph Meijer <ralphm@ik.nu>
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602 cursor.execute("""SELECT 1 FROM callbacks
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Ralph Meijer <ralphm@ik.nu>
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603 WHERE service=%s and node=%s and uri=%s""",
b4bf0a5ce50d Implement storage facilities for the HTTP gateway.
Ralph Meijer <ralphm@ik.nu>
parents: 202
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604 service.full(),
b4bf0a5ce50d Implement storage facilities for the HTTP gateway.
Ralph Meijer <ralphm@ik.nu>
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605 nodeIdentifier,
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Ralph Meijer <ralphm@ik.nu>
parents: 202
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606 callback)
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Ralph Meijer <ralphm@ik.nu>
parents: 202
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607 if cursor.fetchall():
206
274a45d2a5ab Implement root collection that includes all leaf nodes.
Ralph Meijer <ralphm@ik.nu>
parents: 204
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608 return
204
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Ralph Meijer <ralphm@ik.nu>
parents: 202
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609
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Ralph Meijer <ralphm@ik.nu>
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610 cursor.execute("""INSERT INTO callbacks
b4bf0a5ce50d Implement storage facilities for the HTTP gateway.
Ralph Meijer <ralphm@ik.nu>
parents: 202
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611 (service, node, uri) VALUES
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Ralph Meijer <ralphm@ik.nu>
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612 (%s, %s, %s)""",
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Ralph Meijer <ralphm@ik.nu>
parents: 202
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613 service.full(),
b4bf0a5ce50d Implement storage facilities for the HTTP gateway.
Ralph Meijer <ralphm@ik.nu>
parents: 202
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614 nodeIdentifier,
b4bf0a5ce50d Implement storage facilities for the HTTP gateway.
Ralph Meijer <ralphm@ik.nu>
parents: 202
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615 callback)
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Ralph Meijer <ralphm@ik.nu>
parents: 202
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616
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Ralph Meijer <ralphm@ik.nu>
parents: 202
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617 return self.dbpool.runInteraction(interaction)
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Ralph Meijer <ralphm@ik.nu>
parents: 202
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618
b4bf0a5ce50d Implement storage facilities for the HTTP gateway.
Ralph Meijer <ralphm@ik.nu>
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619
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Ralph Meijer <ralphm@ik.nu>
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620 def removeCallback(self, service, nodeIdentifier, callback):
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Ralph Meijer <ralphm@ik.nu>
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621 def interaction(cursor):
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Ralph Meijer <ralphm@ik.nu>
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622 cursor.execute("""DELETE FROM callbacks
b4bf0a5ce50d Implement storage facilities for the HTTP gateway.
Ralph Meijer <ralphm@ik.nu>
parents: 202
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623 WHERE service=%s and node=%s and uri=%s""",
b4bf0a5ce50d Implement storage facilities for the HTTP gateway.
Ralph Meijer <ralphm@ik.nu>
parents: 202
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624 service.full(),
b4bf0a5ce50d Implement storage facilities for the HTTP gateway.
Ralph Meijer <ralphm@ik.nu>
parents: 202
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625 nodeIdentifier,
b4bf0a5ce50d Implement storage facilities for the HTTP gateway.
Ralph Meijer <ralphm@ik.nu>
parents: 202
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626 callback)
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Ralph Meijer <ralphm@ik.nu>
parents: 202
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627
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Ralph Meijer <ralphm@ik.nu>
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628 if cursor.rowcount != 1:
b4bf0a5ce50d Implement storage facilities for the HTTP gateway.
Ralph Meijer <ralphm@ik.nu>
parents: 202
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629 raise error.NotSubscribed()
b4bf0a5ce50d Implement storage facilities for the HTTP gateway.
Ralph Meijer <ralphm@ik.nu>
parents: 202
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630
b4bf0a5ce50d Implement storage facilities for the HTTP gateway.
Ralph Meijer <ralphm@ik.nu>
parents: 202
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631 last = not self._countCallbacks(cursor, service, nodeIdentifier)
b4bf0a5ce50d Implement storage facilities for the HTTP gateway.
Ralph Meijer <ralphm@ik.nu>
parents: 202
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632 return last
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Ralph Meijer <ralphm@ik.nu>
parents: 202
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633
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Ralph Meijer <ralphm@ik.nu>
parents: 202
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634 return self.dbpool.runInteraction(interaction)
b4bf0a5ce50d Implement storage facilities for the HTTP gateway.
Ralph Meijer <ralphm@ik.nu>
parents: 202
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635
b4bf0a5ce50d Implement storage facilities for the HTTP gateway.
Ralph Meijer <ralphm@ik.nu>
parents: 202
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636 def getCallbacks(self, service, nodeIdentifier):
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Ralph Meijer <ralphm@ik.nu>
parents: 202
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637 def interaction(cursor):
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Ralph Meijer <ralphm@ik.nu>
parents: 202
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638 cursor.execute("""SELECT uri FROM callbacks
b4bf0a5ce50d Implement storage facilities for the HTTP gateway.
Ralph Meijer <ralphm@ik.nu>
parents: 202
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639 WHERE service=%s and node=%s""",
b4bf0a5ce50d Implement storage facilities for the HTTP gateway.
Ralph Meijer <ralphm@ik.nu>
parents: 202
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640 service.full(),
b4bf0a5ce50d Implement storage facilities for the HTTP gateway.
Ralph Meijer <ralphm@ik.nu>
parents: 202
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641 nodeIdentifier)
b4bf0a5ce50d Implement storage facilities for the HTTP gateway.
Ralph Meijer <ralphm@ik.nu>
parents: 202
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642 results = cursor.fetchall()
b4bf0a5ce50d Implement storage facilities for the HTTP gateway.
Ralph Meijer <ralphm@ik.nu>
parents: 202
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643
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Ralph Meijer <ralphm@ik.nu>
parents: 202
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644 if not results:
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Ralph Meijer <ralphm@ik.nu>
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645 raise error.NoCallbacks()
b4bf0a5ce50d Implement storage facilities for the HTTP gateway.
Ralph Meijer <ralphm@ik.nu>
parents: 202
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646
b4bf0a5ce50d Implement storage facilities for the HTTP gateway.
Ralph Meijer <ralphm@ik.nu>
parents: 202
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647 return [result[0] for result in results]
b4bf0a5ce50d Implement storage facilities for the HTTP gateway.
Ralph Meijer <ralphm@ik.nu>
parents: 202
diff changeset
648
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Ralph Meijer <ralphm@ik.nu>
parents: 202
diff changeset
649 return self.dbpool.runInteraction(interaction)
b4bf0a5ce50d Implement storage facilities for the HTTP gateway.
Ralph Meijer <ralphm@ik.nu>
parents: 202
diff changeset
650
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Ralph Meijer <ralphm@ik.nu>
parents: 202
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651
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Ralph Meijer <ralphm@ik.nu>
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652 def hasCallbacks(self, service, nodeIdentifier):
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Ralph Meijer <ralphm@ik.nu>
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653 def interaction(cursor):
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Ralph Meijer <ralphm@ik.nu>
parents: 202
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654 return bool(self._countCallbacks(cursor, service, nodeIdentifier))
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Ralph Meijer <ralphm@ik.nu>
parents: 202
diff changeset
655
b4bf0a5ce50d Implement storage facilities for the HTTP gateway.
Ralph Meijer <ralphm@ik.nu>
parents: 202
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656 return self.dbpool.runInteraction(interaction)