51 lines
1.8 KiB
Python
51 lines
1.8 KiB
Python
# Copyright (C) 2012 Nippon Telegraph and Telephone Corporation.
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# Copyright (C) 2012 Isaku Yamahata <yamahata at valinux co jp>
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
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# implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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"""
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A dumb OpenFlow 1.0 responder for benchmarking the controller framework.
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Intended to be used with oflops cbench.
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"""
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from os_ken.base import app_manager
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from os_ken.controller import ofp_event
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from os_ken.controller.handler import MAIN_DISPATCHER
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from os_ken.controller.handler import set_ev_cls
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from os_ken.ofproto import ofproto_v1_0
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class Cbench(app_manager.RyuApp):
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OFP_VERSIONS = [ofproto_v1_0.OFP_VERSION]
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def __init__(self, *args, **kwargs):
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super(Cbench, self).__init__(*args, **kwargs)
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@set_ev_cls(ofp_event.EventOFPPacketIn, MAIN_DISPATCHER)
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def packet_in_handler(self, ev):
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msg = ev.msg
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datapath = msg.datapath
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ofproto = datapath.ofproto
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match = datapath.ofproto_parser.OFPMatch(
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ofproto_v1_0.OFPFW_ALL, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0, 0)
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mod = datapath.ofproto_parser.OFPFlowMod(
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datapath, match=match, cookie=0, command=ofproto.OFPFC_ADD,
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idle_timeout=0, hard_timeout=0,
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priority=ofproto.OFP_DEFAULT_PRIORITY,
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flags=0, actions=None)
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datapath.send_msg(mod)
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