openflowplugin-impl/src/main/java/org/opendaylight/openflowplugin/impl/statistics/services/GroupFeaturesService.java

   1 /**
   2  * Copyright (c) 2015 Cisco Systems, Inc. and others.  All rights reserved.
   3  *
   4  * This program and the accompanying materials are made available under the
   5  * terms of the Eclipse Public License v1.0 which accompanies this distribution,
   6  * and is available at http://www.eclipse.org/legal/epl-v10.html
   7  */
   8 package org.opendaylight.openflowplugin.impl.statistics.services;
   9
  10 import com.google.common.annotations.VisibleForTesting;
  11 import com.google.common.base.Preconditions;
  12 import java.util.ArrayList;
  13 import java.util.List;
  14 import java.util.concurrent.atomic.AtomicLong;
  15 import org.opendaylight.openflowplugin.api.openflow.device.DeviceContext;
  16 import org.opendaylight.openflowplugin.api.openflow.device.RequestContextStack;
  17 import org.opendaylight.openflowplugin.api.openflow.device.Xid;
  18 import org.opendaylight.openflowplugin.impl.services.RequestInputUtils;
  19 import org.opendaylight.openflowplugin.impl.services.ServiceException;
  20 import org.opendaylight.openflowplugin.impl.statistics.services.compatibility.AbstractCompatibleStatService;
  21 import org.opendaylight.openflowplugin.impl.util.GroupUtil;
  22 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.transaction.rev150304.TransactionId;
  23 import org.opendaylight.yang.gen.v1.urn.opendaylight.group.statistics.rev131111.GetGroupFeaturesInput;
  24 import org.opendaylight.yang.gen.v1.urn.opendaylight.group.statistics.rev131111.GetGroupFeaturesOutput;
  25 import org.opendaylight.yang.gen.v1.urn.opendaylight.group.statistics.rev131111.GetGroupFeaturesOutputBuilder;
  26 import org.opendaylight.yang.gen.v1.urn.opendaylight.group.statistics.rev131111.GroupFeaturesUpdated;
  27 import org.opendaylight.yang.gen.v1.urn.opendaylight.group.statistics.rev131111.GroupFeaturesUpdatedBuilder;
  28 import org.opendaylight.yang.gen.v1.urn.opendaylight.group.types.rev131018.Chaining;
  29 import org.opendaylight.yang.gen.v1.urn.opendaylight.group.types.rev131018.ChainingChecks;
  30 import org.opendaylight.yang.gen.v1.urn.opendaylight.group.types.rev131018.GroupAll;
  31 import org.opendaylight.yang.gen.v1.urn.opendaylight.group.types.rev131018.GroupCapability;
  32 import org.opendaylight.yang.gen.v1.urn.opendaylight.group.types.rev131018.GroupFf;
  33 import org.opendaylight.yang.gen.v1.urn.opendaylight.group.types.rev131018.GroupIndirect;
  34 import org.opendaylight.yang.gen.v1.urn.opendaylight.group.types.rev131018.GroupSelect;
  35 import org.opendaylight.yang.gen.v1.urn.opendaylight.group.types.rev131018.GroupType;
  36 import org.opendaylight.yang.gen.v1.urn.opendaylight.group.types.rev131018.SelectLiveness;
  37 import org.opendaylight.yang.gen.v1.urn.opendaylight.group.types.rev131018.SelectWeight;
  38 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.types.rev130731.GroupCapabilities;
  39 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.types.rev130731.GroupTypes;
  40 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.types.rev130731.MultipartType;
  41 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.MultipartReply;
  42 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.MultipartRequestInputBuilder;
  43 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.OfHeader;
  44 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.multipart.reply.multipart.reply.body.MultipartReplyGroupFeaturesCase;
  45 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.multipart.reply.multipart.reply.body.multipart.reply.group.features._case.MultipartReplyGroupFeatures;
  46 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.multipart.request.multipart.request.body.MultipartRequestGroupFeaturesCase;
  47 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.multipart.request.multipart.request.body.MultipartRequestGroupFeaturesCaseBuilder;
  48
  49 final class GroupFeaturesService
  50         extends AbstractCompatibleStatService<GetGroupFeaturesInput, GetGroupFeaturesOutput, GroupFeaturesUpdated> {
  51
  52     private static final MultipartRequestGroupFeaturesCase GROUP_FEAT_CASE =
  53             new MultipartRequestGroupFeaturesCaseBuilder().build();
  54
  55     public GroupFeaturesService(RequestContextStack requestContextStack, DeviceContext deviceContext, AtomicLong compatibilityXidSeed) {
  56         super(requestContextStack, deviceContext, compatibilityXidSeed);
  57     }
  58
  59     @Override
  60     protected OfHeader buildRequest(final Xid xid, final GetGroupFeaturesInput input) throws ServiceException {
  61         final MultipartRequestInputBuilder mprInput = RequestInputUtils.createMultipartHeader(
  62                 MultipartType.OFPMPGROUPFEATURES, xid.getValue(), getVersion());
  63         mprInput.setMultipartRequestBody(GROUP_FEAT_CASE);
  64         return mprInput.build();
  65     }
  66
  67     @Override
  68     public GetGroupFeaturesOutput buildTxCapableResult(TransactionId emulatedTxId) {
  69         return new GetGroupFeaturesOutputBuilder().setTransactionId(emulatedTxId).build();
  70     }
  71
  72     @Override
  73     public GroupFeaturesUpdated transformToNotification(List<MultipartReply> result, TransactionId emulatedTxId) {
  74         final int mpSize = result.size();
  75         Preconditions.checkArgument(mpSize == 1, "unexpected (!=1) mp-reply size received: {}", mpSize);
  76
  77         GroupFeaturesUpdatedBuilder notification = new GroupFeaturesUpdatedBuilder();
  78         notification.setId(getDeviceInfo().getNodeId());
  79         notification.setMoreReplies(Boolean.FALSE);
  80         notification.setTransactionId(emulatedTxId);
  81
  82         MultipartReplyGroupFeaturesCase caseBody = (MultipartReplyGroupFeaturesCase) result.get(0).getMultipartReplyBody();
  83         MultipartReplyGroupFeatures replyBody = caseBody.getMultipartReplyGroupFeatures();
  84
  85         notification.setGroupTypesSupported(extractSupportedGroupTypes(replyBody.getTypes()));
  86         notification.setMaxGroups(replyBody.getMaxGroups());
  87         notification.setGroupCapabilitiesSupported(extractSupportedCapabilities(replyBody.getCapabilities()));
  88         notification.setActions(GroupUtil.extractGroupActionsSupportBitmap(replyBody.getActionsBitmap()));
  89
  90         return notification.build();
  91     }
  92
  93     @VisibleForTesting
  94     static List<Class<? extends GroupCapability>> extractSupportedCapabilities(GroupCapabilities capabilities) {
  95         List<Class<? extends GroupCapability>> supportedCapabilities = new ArrayList<>();
  96
  97         if (capabilities.isOFPGFCCHAINING()) {
  98             supportedCapabilities.add(Chaining.class);
  99         }
 100         if (capabilities.isOFPGFCCHAININGCHECKS()) {
 101             supportedCapabilities.add(ChainingChecks.class);
 102         }
 103         if (capabilities.isOFPGFCSELECTLIVENESS()) {
 104             supportedCapabilities.add(SelectLiveness.class);
 105         }
 106         if (capabilities.isOFPGFCSELECTWEIGHT()) {
 107             supportedCapabilities.add(SelectWeight.class);
 108         }
 109         return supportedCapabilities;
 110     }
 111
 112     @VisibleForTesting
 113     static List<Class<? extends GroupType>> extractSupportedGroupTypes(GroupTypes types) {
 114         List<Class<? extends GroupType>> supportedGroups = new ArrayList<>();
 115
 116         if (types.isOFPGTALL()) {
 117             supportedGroups.add(GroupAll.class);
 118         }
 119         if (types.isOFPGTSELECT()) {
 120             supportedGroups.add(GroupSelect.class);
 121         }
 122         if (types.isOFPGTINDIRECT()) {
 123             supportedGroups.add(GroupIndirect.class);
 124         }
 125         if (types.isOFPGTFF()) {
 126             supportedGroups.add(GroupFf.class);
 127         }
 128         return supportedGroups;
 129     }
 130 }