47 lines
1.6 KiB
Python
47 lines
1.6 KiB
Python
import logging
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from sugar.chat.Chat import Chat
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from sugar.p2p.Stream import Stream
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from sugar.presence.PresenceService import PresenceService
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class GroupChat(Chat):
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SERVICE_TYPE = "_olpc_group_chat._udp"
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SERVICE_PORT = 6200
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def __init__(self, activity):
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Chat.__init__(self)
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self._chats = {}
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self._activity = activity
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self._pservice = PresenceService.get_instance()
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self._pservice.start()
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self._pservice.connect('service-appeared', self._service_appeared_cb)
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self._pservice.track_service_type(GroupChat.SERVICE_TYPE)
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service = self._pservice.get_activity_service(activity, GroupChat.SERVICE_TYPE)
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if service is not None:
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self._service_appeared_cb(self._pservice, None, service)
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def _service_appeared_cb(self, pservice, buddy, service):
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if service.get_activity_uid() == self._activity.get_id():
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if service.get_type() == GroupChat.SERVICE_TYPE:
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logging.debug('Group chat service appeared, setup the stream.')
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self._setup_stream(service)
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def publish(self):
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service = self._pservice.share_activity(self._activity,
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stype = GroupChat.SERVICE_TYPE, port = GroupChat.SERVICE_PORT)
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def _setup_stream(self, service):
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self._group_stream = Stream.new_from_service(service)
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self._group_stream.set_data_listener(self._group_recv_message)
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self._stream_writer = self._group_stream.new_writer()
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def _group_recv_message(self, address, msg):
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pservice = PresenceService.get_instance()
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[nick, msg] = self.deserialize_message(msg)
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buddy = pservice.get_buddy_by_nick_name(nick)
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if buddy:
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self.recv_message(buddy, msg)
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else:
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logging.error('The buddy %s is not present.' % (nick))
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