/* * Copyright (c) 2011,2013 Big Switch Networks, Inc. * * Licensed under the Eclipse Public License, Version 1.0 (the * "License"); you may not use this file except in compliance with the * License. You may obtain a copy of the License at * * http://www.eclipse.org/legal/epl-v10.html * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or * implied. See the License for the specific language governing * permissions and limitations under the License. * * This file incorporates work covered by the following copyright and * permission notice: * * Originally created by David Erickson, Stanford University * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the * License. You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, * software distributed under the License is distributed on an "AS * IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either * express or implied. See the License for the specific language * governing permissions and limitations under the License. */ package org.sdnplatform.core; import org.openflow.protocol.OFMessage; import org.openflow.protocol.OFType; /** * * * @author David Erickson (daviderickson@cs.stanford.edu) */ public interface IOFMessageListener extends IListener<OFType> { /** * This is the method SDN Platform uses to call listeners with OpenFlow messages * @param sw the OpenFlow switch that sent this message * @param msg the message * @param cntx a SDN Platform message context object you can use to pass * information between listeners * @return the command to continue or stop the execution */ public Command receive(IOFSwitch sw, OFMessage msg, ListenerContext cntx); }