git.maemo.org Git - theonering/blob - src/connection.py

   1
   2 """
   3 @todo Add params for different state machines update times
   4 @todo Get a callback for missed calls to force an update of the voicemail state machine
   5 @todo Get a callback on an incoming call and if its from GV, auto-pickup
   6 """
   7
   8
   9 import os
  10 import weakref
  11 import logging
  12
  13 import telepathy
  14
  15 try:
  16         import conic as _conic
  17         conic = _conic
  18 except (ImportError, OSError):
  19         conic = None
  20
  21 import constants
  22 import tp
  23 import util.coroutines as coroutines
  24 import util.misc as util_misc
  25 import gtk_toolbox
  26
  27 import gvoice
  28 import handle
  29
  30 import requests
  31 import contacts
  32 import aliasing
  33 import simple_presence
  34 import presence
  35 import capabilities
  36
  37 import channel_manager
  38
  39
  40 _moduleLogger = logging.getLogger("connection")
  41
  42
  43 class TheOneRingConnection(
  44         tp.Connection,
  45         requests.RequestsMixin,
  46         contacts.ContactsMixin,
  47         aliasing.AliasingMixin,
  48         simple_presence.SimplePresenceMixin,
  49         presence.PresenceMixin,
  50         capabilities.CapabilitiesMixin,
  51 ):
  52
  53         # overiding base class variable
  54         _mandatory_parameters = {
  55                 'account' : 's',
  56                 'password' : 's',
  57         }
  58         # overiding base class variable
  59         _optional_parameters = {
  60                 'forward' : 's',
  61         }
  62         _parameter_defaults = {
  63                 'forward' : '',
  64         }
  65         _secret_parameters = set((
  66                 "password",
  67         ))
  68
  69         @gtk_toolbox.log_exception(_moduleLogger)
  70         def __init__(self, manager, parameters):
  71                 self.check_parameters(parameters)
  72                 account = unicode(parameters['account'])
  73                 encodedAccount = parameters['account'].encode('utf-8')
  74                 encodedPassword = parameters['password'].encode('utf-8')
  75                 encodedCallback = util_misc.normalize_number(parameters['forward'].encode('utf-8'))
  76                 if encodedCallback and not util_misc.is_valid_number(encodedCallback):
  77                         raise telepathy.errors.InvalidArgument("Invalid forwarding number")
  78
  79                 # Connection init must come first
  80                 self.__session = gvoice.session.Session(None)
  81                 tp.Connection.__init__(
  82                         self,
  83                         constants._telepathy_protocol_name_,
  84                         account,
  85                         constants._telepathy_implementation_name_
  86                 )
  87                 requests.RequestsMixin.__init__(self)
  88                 contacts.ContactsMixin.__init__(self)
  89                 aliasing.AliasingMixin.__init__(self)
  90                 simple_presence.SimplePresenceMixin.__init__(self)
  91                 presence.PresenceMixin.__init__(self)
  92                 capabilities.CapabilitiesMixin.__init__(self)
  93
  94                 self.__manager = weakref.proxy(manager)
  95                 self.__credentials = (
  96                         encodedAccount,
  97                         encodedPassword,
  98                 )
  99                 self.__callbackNumberParameter = encodedCallback
 100                 self.__channelManager = channel_manager.ChannelManager(self)
 101
 102                 if conic is not None:
 103                         self.__connection = conic.Connection()
 104                         self.__connectionEventId = None
 105                 else:
 106                         self.__connection = None
 107                         self.__connectionEventId = None
 108                 self.__cachePath = os.sep.join((constants._data_path_, "cache", self.username))
 109                 try:
 110                         os.makedirs(self.__cachePath)
 111                 except OSError, e:
 112                         if e.errno != 17:
 113                                 raise
 114
 115                 self.set_self_handle(handle.create_handle(self, 'connection'))
 116
 117                 self.__callback = None
 118                 _moduleLogger.info("Connection to the account %s created" % account)
 119
 120         @property
 121         def manager(self):
 122                 return self.__manager
 123
 124         @property
 125         def session(self):
 126                 return self.__session
 127
 128         @property
 129         def username(self):
 130                 return self.__credentials[0]
 131
 132         @property
 133         def callbackNumberParameter(self):
 134                 return self.__callbackNumberParameter
 135
 136         def get_handle_by_name(self, handleType, handleName):
 137                 requestedHandleName = handleName.encode('utf-8')
 138                 if handleType == telepathy.HANDLE_TYPE_CONTACT:
 139                         _moduleLogger.info("get_handle_by_name Contact: %s" % requestedHandleName)
 140                         h = handle.create_handle(self, 'contact', requestedHandleName)
 141                 elif handleType == telepathy.HANDLE_TYPE_LIST:
 142                         # Support only server side (immutable) lists
 143                         _moduleLogger.info("get_handle_by_name List: %s" % requestedHandleName)
 144                         h = handle.create_handle(self, 'list', requestedHandleName)
 145                 else:
 146                         raise telepathy.errors.NotAvailable('Handle type unsupported %d' % handleType)
 147                 return h
 148
 149         @property
 150         def _channel_manager(self):
 151                 return self.__channelManager
 152
 153         @gtk_toolbox.log_exception(_moduleLogger)
 154         def Connect(self):
 155                 """
 156                 For org.freedesktop.telepathy.Connection
 157                 """
 158                 _moduleLogger.info("Connecting...")
 159                 self.StatusChanged(
 160                         telepathy.CONNECTION_STATUS_CONNECTING,
 161                         telepathy.CONNECTION_STATUS_REASON_REQUESTED
 162                 )
 163                 try:
 164                         self.__session.load(self.__cachePath)
 165
 166                         self.__callback = coroutines.func_sink(
 167                                 coroutines.expand_positional(
 168                                         self._on_conversations_updated
 169                                 )
 170                         )
 171                         self.session.voicemails.updateSignalHandler.register_sink(
 172                                 self.__callback
 173                         )
 174                         self.session.texts.updateSignalHandler.register_sink(
 175                                 self.__callback
 176                         )
 177                         self.session.login(*self.__credentials)
 178                         if not self.__callbackNumberParameter:
 179                                 callback = gvoice.backend.get_sane_callback(
 180                                         self.session.backend
 181                                 )
 182                                 self.__callbackNumberParameter = util_misc.normalize_number(callback)
 183                         self.session.backend.set_callback_number(self.__callbackNumberParameter)
 184
 185                         subscribeHandle = self.get_handle_by_name(telepathy.HANDLE_TYPE_LIST, "subscribe")
 186                         subscribeProps = self._generate_props(telepathy.CHANNEL_TYPE_CONTACT_LIST, subscribeHandle, False)
 187                         self.__channelManager.channel_for_props(subscribeProps, signal=True)
 188                         publishHandle = self.get_handle_by_name(telepathy.HANDLE_TYPE_LIST, "publish")
 189                         publishProps = self._generate_props(telepathy.CHANNEL_TYPE_CONTACT_LIST, publishHandle, False)
 190                         self.__channelManager.channel_for_props(publishProps, signal=True)
 191                 except gvoice.backend.NetworkError, e:
 192                         _moduleLogger.exception("Connection Failed")
 193                         self.StatusChanged(
 194                                 telepathy.CONNECTION_STATUS_DISCONNECTED,
 195                                 telepathy.CONNECTION_STATUS_REASON_NETWORK_ERROR
 196                         )
 197                         return
 198                 except Exception, e:
 199                         _moduleLogger.exception("Connection Failed")
 200                         self.StatusChanged(
 201                                 telepathy.CONNECTION_STATUS_DISCONNECTED,
 202                                 telepathy.CONNECTION_STATUS_REASON_AUTHENTICATION_FAILED
 203                         )
 204                         return
 205
 206                 _moduleLogger.info("Connected")
 207                 self.StatusChanged(
 208                         telepathy.CONNECTION_STATUS_CONNECTED,
 209                         telepathy.CONNECTION_STATUS_REASON_REQUESTED
 210                 )
 211                 if self.__connection is not None:
 212                         self.__connectionEventId = self.__connection.connect("connection-event", self._on_connection_change)
 213
 214         @gtk_toolbox.log_exception(_moduleLogger)
 215         def Disconnect(self):
 216                 """
 217                 For org.freedesktop.telepathy.Connection
 218                 """
 219                 self.StatusChanged(
 220                         telepathy.CONNECTION_STATUS_DISCONNECTED,
 221                         telepathy.CONNECTION_STATUS_REASON_REQUESTED
 222                 )
 223                 try:
 224                         self._disconnect()
 225                 except Exception:
 226                         _moduleLogger.exception("Error durring disconnect")
 227
 228         @gtk_toolbox.log_exception(_moduleLogger)
 229         def RequestChannel(self, type, handleType, handleId, suppressHandler):
 230                 """
 231                 For org.freedesktop.telepathy.Connection
 232
 233                 @param type DBus interface name for base channel type
 234                 @param handleId represents a contact, list, etc according to handleType
 235
 236                 @returns DBus object path for the channel created or retrieved
 237                 """
 238                 self.check_connected()
 239                 self.check_handle(handleType, handleId)
 240
 241                 h = self.get_handle_by_id(handleType, handleId) if handleId != 0 else None
 242                 props = self._generate_props(type, h, suppressHandler)
 243                 self._validate_handle(props)
 244
 245                 chan = self.__channelManager.channel_for_props(props, signal=True)
 246                 path = chan._object_path
 247                 _moduleLogger.info("RequestChannel Object Path (%s): %s" % (type.rsplit(".", 1)[-1], path))
 248                 return path
 249
 250         def _generate_props(self, channelType, handle, suppressHandler, initiatorHandle=None):
 251                 targetHandle = 0 if handle is None else handle.get_id()
 252                 targetHandleType = telepathy.HANDLE_TYPE_NONE if handle is None else handle.get_type()
 253                 props = {
 254                         telepathy.CHANNEL_INTERFACE + '.ChannelType': channelType,
 255                         telepathy.CHANNEL_INTERFACE + '.TargetHandle': targetHandle,
 256                         telepathy.CHANNEL_INTERFACE + '.TargetHandleType': targetHandleType,
 257                         telepathy.CHANNEL_INTERFACE + '.Requested': suppressHandler
 258                 }
 259
 260                 if initiatorHandle is not None:
 261                         props[telepathy.CHANNEL_INTERFACE + '.InitiatorHandle'] = initiatorHandle.id
 262
 263                 return props
 264
 265         def _disconnect(self):
 266                 _moduleLogger.info("Disconnecting")
 267                 self.session.voicemails.updateSignalHandler.unregister_sink(
 268                         self.__callback
 269                 )
 270                 self.session.texts.updateSignalHandler.unregister_sink(
 271                         self.__callback
 272                 )
 273                 self.__callback = None
 274
 275                 self.__channelManager.close()
 276                 self.session.save(self.__cachePath)
 277                 self.session.logout()
 278                 self.session.close()
 279                 self.__session = None
 280                 if self.__connection is not None:
 281                         self.__connection.disconnect(self.__connectionEventId)
 282                         self.__connectionEventId = None
 283
 284                 self.manager.disconnected(self)
 285                 _moduleLogger.info("Disconnected")
 286
 287         @gtk_toolbox.log_exception(_moduleLogger)
 288         def _on_conversations_updated(self, conv, conversationIds):
 289                 _moduleLogger.debug("Incoming messages from: %r" % (conversationIds, ))
 290                 for phoneNumber in conversationIds:
 291                         h = self.get_handle_by_name(telepathy.HANDLE_TYPE_CONTACT, phoneNumber)
 292                         # Just let the TextChannel decide whether it should be reported to the user or not
 293                         props = self._generate_props(telepathy.CHANNEL_TYPE_TEXT, h, False)
 294                         chan = self.__channelManager.channel_for_props(props, signal=True)
 295
 296         @gtk_toolbox.log_exception(_moduleLogger)
 297         def _on_connection_change(self, connection, event):
 298                 """
 299                 @note Maemo specific
 300
 301                 @todo Make this delayed to handle background switching of networks.  First I need to verify I receive connected
 302                 """
 303                 status = event.get_status()
 304                 error = event.get_error()
 305                 iap_id = event.get_iap_id()
 306                 bearer = event.get_bearer_type()
 307
 308                 if status == conic.STATUS_DISCONNECTED:
 309                         _moduleLogger.info("Disconnecting due to loss of network connection")
 310                         self.StatusChanged(
 311                                 telepathy.CONNECTION_STATUS_DISCONNECTED,
 312                                 telepathy.CONNECTION_STATUS_REASON_NETWORK_ERROR
 313                         )
 314                         try:
 315                                 self._disconnect()
 316                         except Exception:
 317                                 _moduleLogger.exception("Error durring disconnect")
 318                 else:
 319                         _moduleLogger.info("Other status: %r" % (status, ))