| /* |
| * Copyright 2016-present Open Networking Foundation |
| * |
| * 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.onosproject.driver.extensions; |
| |
| import org.onosproject.net.driver.AbstractHandlerBehaviour; |
| import org.onosproject.net.flow.instructions.ExtensionTreatment; |
| import org.onosproject.net.flow.instructions.ExtensionTreatmentType; |
| import org.onosproject.openflow.controller.ExtensionTreatmentInterpreter; |
| import org.projectfloodlight.openflow.protocol.OFActionType; |
| import org.projectfloodlight.openflow.protocol.OFFactory; |
| import org.projectfloodlight.openflow.protocol.action.OFAction; |
| import org.projectfloodlight.openflow.protocol.action.OFActionExperimenter; |
| import org.projectfloodlight.openflow.protocol.action.OFActionOplinkAtt; |
| import org.projectfloodlight.openflow.protocol.oxm.OFOxm; |
| import org.projectfloodlight.openflow.types.U32; |
| |
| /** |
| * Interpreter for Oplink OpenFlow treatment extensions. |
| */ |
| public class OplinkExtensionTreatmentInterpreter extends AbstractHandlerBehaviour |
| implements ExtensionTreatmentInterpreter { |
| |
| private static final long ATTENUATION_EXP = 0xff000088L; |
| |
| @Override |
| public boolean supported(ExtensionTreatmentType extensionTreatmentType) { |
| if (extensionTreatmentType.equals( |
| ExtensionTreatmentType.ExtensionTreatmentTypes.OPLINK_ATTENUATION.type())) { |
| return true; |
| } |
| return false; |
| } |
| |
| @Override |
| public OFAction mapInstruction(OFFactory factory, ExtensionTreatment extensionTreatment) { |
| ExtensionTreatmentType type = extensionTreatment.type(); |
| if (type.equals(ExtensionTreatmentType.ExtensionTreatmentTypes.OPLINK_ATTENUATION.type())) { |
| int att = ((OplinkAttenuation) extensionTreatment).getAttenuation(); |
| return factory.actions().oplinkAtt(factory.oxms().ochSigatt(U32.ofRaw(att))); |
| } |
| return null; |
| } |
| |
| @Override |
| public ExtensionTreatment mapAction(OFAction action) throws UnsupportedOperationException { |
| if (action.getType().equals(OFActionType.EXPERIMENTER)) { |
| OFActionExperimenter actionExp = (OFActionExperimenter) action; |
| if (actionExp.getExperimenter() == ATTENUATION_EXP) { |
| OFActionOplinkAtt actionAtt = (OFActionOplinkAtt) action; |
| return new OplinkAttenuation(((OFOxm<U32>) actionAtt.getField()).getValue().getRaw()); |
| } |
| } |
| return null; |
| } |
| } |