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# Copyright (C) 2006, Red Hat, Inc.
#
# This library is free software; you can redistribute it and/or
# modify it under the terms of the GNU Lesser General Public
# License as published by the Free Software Foundation; either
# version 2 of the License, or (at your option) any later version.
#
# This library is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
# Lesser General Public License for more details.
#
# You should have received a copy of the GNU Lesser General Public
# License along with this library; if not, write to the
# Free Software Foundation, Inc., 59 Temple Place - Suite 330,
# Boston, MA 02111-1307, USA.
import socket
import logging
from sugar.p2p.Notifier import Notifier
from sugar.p2p.model.AbstractModel import AbstractModel
from sugar.p2p import network
class ModelRequestHandler(object):
def __init__(self, model):
self._model = model
def get_value(self, key):
return self._model.get_value(key)
def set_value(self, key, value):
return self._model.set_value(key, value)
class LocalModel(AbstractModel):
SERVICE_TYPE = "_olpc_model._tcp"
def __init__(self, activity, pservice, service):
AbstractModel.__init__(self)
self._pservice = pservice
self._activity = activity
self._service = service
self._values = {}
self._setup_service()
self._notifier = Notifier(service)
def get_value(self, key):
return self._values[key]
def set_value(self, key, value):
self._values[key] = value
self._notify_model_change(key)
self._notifier.notify(key)
def _setup_service(self):
self._service = self._pservice.share_activity(
self._activity, stype = LocalModel.SERVICE_TYPE)
self._setup_server(self._service)
# FIXME this is duplicated with StreamReader
def _setup_server(self, service):
port = service.get_port()
logging.debug('Start model server on port %d' % (port))
p2p_server = network.GlibXMLRPCServer(("", port))
p2p_server.register_instance(ModelRequestHandler(self))
def shutdown(self):
self._pservice.unregister_service(self._service)
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