59 lines
1.5 KiB
Python
59 lines
1.5 KiB
Python
import socket
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from sugar.p2p.Service import Service
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from sugar.p2p.Notifier import Notifier
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from sugar.p2p.model.AbstractModel import AbstractModel
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from sugar.p2p import network
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class ModelRequestHandler(object):
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def __init__(self, model):
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self._model = model
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def get_value(self, key):
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return self._model.get_value(key)
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def set_value(self, key, value):
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return self._model.set_value(key, value)
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class LocalModel(AbstractModel):
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SERVICE_TYPE = "_olpc_model._tcp"
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SERVICE_PORT = 6300
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def __init__(self, group, model_id):
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AbstractModel.__init__(self)
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self._group = group
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self._model_id = model_id
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self._values = {}
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self._setup_service()
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self._notifier = Notifier(group, model_id)
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def get_value(self, key):
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return self._values[key]
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def set_value(self, key, value):
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self._values[key] = value
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self._notify_model_change(key)
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self._notifier.notify(key)
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def _setup_service(self):
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service = Service(self._model_id, LocalModel.SERVICE_TYPE,
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LocalModel.SERVICE_PORT)
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self._setup_server(service)
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service.register(self._group)
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# FIXME this is duplicated with StreamReader
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def _setup_server(self, service):
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started = False
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tries = 10
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port = service.get_port()
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while not started and tries > 0:
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try:
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p2p_server = network.GlibXMLRPCServer(("", port))
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p2p_server.register_instance(ModelRequestHandler(self))
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started = True
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except(socket.error):
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port = port + 1
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tries = tries - 1
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service.set_port(port)
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