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annotate plugins/plugin_xep_0100.py @ 25:53e921c8a357

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new plugin: gateways plugin, and first implementation of findGateways - test menu in Wix - new actionResultExt method, for sending dictionary of dictionaries - new getNextId method, for accessing sat ids from plugins.
author Goffi <goffi@goffi.org>
date Fri, 04 Dec 2009 08:47:44 +0100
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children d6b613764dd7
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25
53e921c8a357 new plugin: gateways plugin, and first implementation of findGateways
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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 SAT plugin for managing gateways (xep-0100)
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6 Copyright (C) 2009 Jérôme Poisson (goffi@goffi.org)
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7
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8 This program is free software: you can redistribute it and/or modify
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9 it under the terms of the GNU General Public License as published by
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10 the Free Software Foundation, either version 3 of the License, or
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11 (at your option) any later version.
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12
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13 This program is distributed in the hope that it will be useful,
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14 but WITHOUT ANY WARRANTY; without even the implied warranty of
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15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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16 GNU General Public License for more details.
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17
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18 You should have received a copy of the GNU General Public License
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19 along with this program. If not, see <http://www.gnu.org/licenses/>.
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20 """
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21
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22 from logging import debug, info, error
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23 from twisted.internet import protocol
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24 from twisted.words.protocols.jabber import client, jid, xmlstream, error
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25 import pdb
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26
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27 from wokkel import disco, iwokkel
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28
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29 PLUGIN_INFO = {
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30 "name": "Gateways Plugin",
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31 "import_name": "XEP_0100",
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32 "type": "XEP",
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33 "dependencies": [],
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34 "main": "XEP_0100",
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35 "description": """Implementation of Gateways protocol"""
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36 }
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37
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38 class XEP_0100():
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39
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40 def __init__(self, host):
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41 info("Gateways plugin initialization")
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42 self.host = host
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43 self.__gateways = {} #dict used to construct the answer to findGateways. Key = target jid
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44 host.bridge.addMethod("findGateways", ".communication", in_sign='s', out_sign='s', method=self.findGateways)
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45
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46 def discoInfo(self, disco, entity, request_id):
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47 """Find disco infos about entity, to check if it is a gateway"""
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48
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49 for identity in disco.identities:
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50 if identity[0] == 'gateway':
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51 print ("Found gateway (%s): %s" % (entity, disco.identities[identity]))
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52 self.__gateways[request_id][entity.full()] = {
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53 'name':disco.identities[identity],
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54 'type':identity[1]
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55 }
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56
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57 self.__gateways[request_id]['__handled_items']+=1
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58
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59 if self.__gateways[request_id]['__total_items'] == self.__gateways[request_id]['__handled_items']:
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60 debug ("All items checked for id [%s]" % str(request_id))
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61
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62 del self.__gateways[request_id]['__total_items']
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63 del self.__gateways[request_id]['__handled_items']
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64 self.host.actionResultExt(request_id,"DICT_DICT",self.__gateways[request_id])
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65
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66 def discoItems(self, disco, request_id):
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67 """Look for items with disco protocol, and ask infos for each one"""
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68
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69 if len(disco._items) == 0:
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70 debug ("No gateway found")
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71 self.host.actionResultExt(request_id,"DICT_DICT",{})
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72 return
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73
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74 self.__gateways[request_id] = {'__total_items':len(disco._items), '__handled_items':0}
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75 for item in disco._items:
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76 debug ("item found: %s", item.name)
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77 self.host.disco.requestInfo(item.entity).addCallback(self.discoInfo, entity=item.entity, request_id=request_id)
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78
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79 def findGateways(self, target):
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80 """Find gateways in the target JID, using discovery protocol
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81 Return an id used for retrieving the list of gateways
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82 """
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83 debug ("find gateways (target = %s)" % target)
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84 request_id = self.host.get_next_id()
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85 self.host.disco.requestItems(jid.JID(target)).addCallback(self.discoItems, request_id=request_id)
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86 return request_id