77 lines
2.0 KiB
Python
77 lines
2.0 KiB
Python
# Copyright (C) 2011 Nippon Telegraph and Telephone Corporation.
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# Copyright (C) 2011 Isaku Yamahata <yamahata at valinux co jp>
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#
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, version 3 of the License.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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import inspect
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class EventBase(object):
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# Nothing yet
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pass
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class EventOFPMsgBase(EventBase):
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def __init__(self, msg):
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self.msg = msg
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#
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# Create event type corresponding to OFP Msg
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#
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_OFP_MSG_EVENTS = {}
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def _ofp_msg_name_to_ev_name(msg_name):
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return 'Event' + msg_name
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def ofp_msg_to_ev(msg):
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name = _ofp_msg_name_to_ev_name(msg.__class__.__name__)
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return _OFP_MSG_EVENTS[name](msg)
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def _create_ofp_msg_ev_class(msg_cls):
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name = _ofp_msg_name_to_ev_name(msg_cls.__name__)
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# print 'creating event %s' % name
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if name in _OFP_MSG_EVENTS:
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return
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cls = type(name, (EventOFPMsgBase,),
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dict(__init__=lambda self, msg:
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super(self.__class__, self).__init__(msg)))
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globals()[name] = cls
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_OFP_MSG_EVENTS[name] = cls
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def _create_ofp_msg_ev_from_module(modname):
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(f, s, t) = modname.rpartition('.')
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mod = __import__(modname, fromlist=[f])
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print mod
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for k, cls in mod.__dict__.items():
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if not inspect.isclass(cls):
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continue
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if 'cls_msg_type' not in cls.__dict__:
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continue
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_create_ofp_msg_ev_class(cls)
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# TODO:XXX
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_PARSER_MODULE_LIST = ['ryu.ofproto.ofproto_v1_0_parser']
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for m in _PARSER_MODULE_LIST:
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# print 'loading module %s' % m
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_create_ofp_msg_ev_from_module(m)
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