| /** |
| * Copyright 2011, Big Switch Networks, Inc. |
| * 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 net.floodlightcontroller.core.web; |
| |
| import java.util.Collections; |
| import java.util.List; |
| import java.util.concurrent.Future; |
| import java.util.concurrent.TimeUnit; |
| |
| import net.floodlightcontroller.core.IFloodlightProviderService; |
| import net.floodlightcontroller.core.IOFSwitch; |
| import net.floodlightcontroller.core.annotations.LogMessageDoc; |
| |
| import org.openflow.protocol.OFFeaturesReply; |
| import org.openflow.protocol.OFMatch; |
| import org.openflow.protocol.OFPort; |
| import org.openflow.protocol.OFStatisticsRequest; |
| import org.openflow.protocol.statistics.OFAggregateStatisticsRequest; |
| import org.openflow.protocol.statistics.OFFlowStatisticsRequest; |
| import org.openflow.protocol.statistics.OFPortStatisticsRequest; |
| import org.openflow.protocol.statistics.OFQueueStatisticsRequest; |
| import org.openflow.protocol.statistics.OFStatistics; |
| import org.openflow.protocol.statistics.OFStatisticsType; |
| import org.openflow.util.HexString; |
| import org.restlet.resource.ResourceException; |
| import org.restlet.resource.ServerResource; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| /** |
| * Base class for server resources related to switches |
| * @author readams |
| * |
| */ |
| public class SwitchResourceBase extends ServerResource { |
| protected static Logger log = LoggerFactory.getLogger(SwitchResourceBase.class); |
| |
| public enum REQUESTTYPE { |
| OFSTATS, |
| OFFEATURES |
| } |
| |
| @Override |
| protected void doInit() throws ResourceException { |
| super.doInit(); |
| |
| } |
| |
| @LogMessageDoc(level="ERROR", |
| message="Failure retrieving statistics from switch {switch}", |
| explanation="An error occurred while retrieving statistics" + |
| "from the switch", |
| recommendation=LogMessageDoc.CHECK_SWITCH + " " + |
| LogMessageDoc.GENERIC_ACTION) |
| protected List<OFStatistics> getSwitchStatistics(long switchId, |
| OFStatisticsType statType) { |
| IFloodlightProviderService floodlightProvider = |
| (IFloodlightProviderService)getContext().getAttributes(). |
| get(IFloodlightProviderService.class.getCanonicalName()); |
| |
| IOFSwitch sw = floodlightProvider.getSwitches().get(switchId); |
| Future<List<OFStatistics>> future; |
| List<OFStatistics> values = null; |
| if (sw != null) { |
| OFStatisticsRequest req = new OFStatisticsRequest(); |
| req.setStatisticType(statType); |
| int requestLength = req.getLengthU(); |
| if (statType == OFStatisticsType.FLOW) { |
| OFFlowStatisticsRequest specificReq = new OFFlowStatisticsRequest(); |
| OFMatch match = new OFMatch(); |
| match.setWildcards(0xffffffff); |
| specificReq.setMatch(match); |
| specificReq.setOutPort(OFPort.OFPP_NONE.getValue()); |
| specificReq.setTableId((byte) 0xff); |
| req.setStatistics(Collections.singletonList((OFStatistics)specificReq)); |
| requestLength += specificReq.getLength(); |
| } else if (statType == OFStatisticsType.AGGREGATE) { |
| OFAggregateStatisticsRequest specificReq = new OFAggregateStatisticsRequest(); |
| OFMatch match = new OFMatch(); |
| match.setWildcards(0xffffffff); |
| specificReq.setMatch(match); |
| specificReq.setOutPort(OFPort.OFPP_NONE.getValue()); |
| specificReq.setTableId((byte) 0xff); |
| req.setStatistics(Collections.singletonList((OFStatistics)specificReq)); |
| requestLength += specificReq.getLength(); |
| } else if (statType == OFStatisticsType.PORT) { |
| OFPortStatisticsRequest specificReq = new OFPortStatisticsRequest(); |
| specificReq.setPortNumber((short)OFPort.OFPP_NONE.getValue()); |
| req.setStatistics(Collections.singletonList((OFStatistics)specificReq)); |
| requestLength += specificReq.getLength(); |
| } else if (statType == OFStatisticsType.QUEUE) { |
| OFQueueStatisticsRequest specificReq = new OFQueueStatisticsRequest(); |
| specificReq.setPortNumber((short)OFPort.OFPP_ALL.getValue()); |
| // LOOK! openflowj does not define OFPQ_ALL! pulled this from openflow.h |
| // note that I haven't seen this work yet though... |
| specificReq.setQueueId(0xffffffff); |
| req.setStatistics(Collections.singletonList((OFStatistics)specificReq)); |
| requestLength += specificReq.getLength(); |
| } else if (statType == OFStatisticsType.DESC || |
| statType == OFStatisticsType.TABLE) { |
| // pass - nothing todo besides set the type above |
| } |
| req.setLengthU(requestLength); |
| try { |
| future = sw.getStatistics(req); |
| values = future.get(10, TimeUnit.SECONDS); |
| } catch (Exception e) { |
| log.error("Failure retrieving statistics from switch " + sw, e); |
| } |
| } |
| return values; |
| } |
| |
| protected List<OFStatistics> getSwitchStatistics(String switchId, OFStatisticsType statType) { |
| return getSwitchStatistics(HexString.toLong(switchId), statType); |
| } |
| |
| protected OFFeaturesReply getSwitchFeaturesReply(long switchId) { |
| IFloodlightProviderService floodlightProvider = |
| (IFloodlightProviderService)getContext().getAttributes(). |
| get(IFloodlightProviderService.class.getCanonicalName()); |
| |
| IOFSwitch sw = floodlightProvider.getSwitches().get(switchId); |
| Future<OFFeaturesReply> future; |
| OFFeaturesReply featuresReply = null; |
| if (sw != null) { |
| try { |
| future = sw.getFeaturesReplyFromSwitch(); |
| featuresReply = future.get(10, TimeUnit.SECONDS); |
| } catch (Exception e) { |
| log.error("Failure getting features reply from switch" + sw, e); |
| } |
| } |
| |
| return featuresReply; |
| } |
| |
| protected OFFeaturesReply getSwitchFeaturesReply(String switchId) { |
| return getSwitchFeaturesReply(HexString.toLong(switchId)); |
| } |
| |
| } |