openflowplugin-impl/src/main/java/org/opendaylight/openflowplugin/impl/statistics/services/GroupDescriptionService.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.collect.Lists;
  11 import java.util.ArrayList;
  12 import java.util.HashSet;
  13 import java.util.List;
  14 import java.util.Optional;
  15 import java.util.Set;
  16 import java.util.concurrent.atomic.AtomicLong;
  17 import java.util.stream.Collectors;
  18 import org.opendaylight.openflowplugin.api.openflow.device.DeviceContext;
  19 import org.opendaylight.openflowplugin.api.openflow.device.RequestContextStack;
  20 import org.opendaylight.openflowplugin.api.openflow.device.Xid;
  21 import org.opendaylight.openflowplugin.impl.services.util.RequestInputUtils;
  22 import org.opendaylight.openflowplugin.impl.statistics.services.compatibility.AbstractCompatibleStatService;
  23 import org.opendaylight.openflowplugin.openflow.md.core.sal.convertor.ConvertorExecutor;
  24 import org.opendaylight.openflowplugin.openflow.md.core.sal.convertor.data.VersionConvertorData;
  25 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.transaction.rev150304.TransactionId;
  26 import org.opendaylight.yang.gen.v1.urn.opendaylight.group.statistics.rev131111.GetGroupDescriptionInput;
  27 import org.opendaylight.yang.gen.v1.urn.opendaylight.group.statistics.rev131111.GetGroupDescriptionOutput;
  28 import org.opendaylight.yang.gen.v1.urn.opendaylight.group.statistics.rev131111.GetGroupDescriptionOutputBuilder;
  29 import org.opendaylight.yang.gen.v1.urn.opendaylight.group.statistics.rev131111.GroupDescStatsUpdated;
  30 import org.opendaylight.yang.gen.v1.urn.opendaylight.group.statistics.rev131111.GroupDescStatsUpdatedBuilder;
  31 import org.opendaylight.yang.gen.v1.urn.opendaylight.group.types.rev131018.group.desc.stats.reply.GroupDescStats;
  32 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.types.rev130731.MultipartType;
  33 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.MultipartReply;
  34 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.MultipartRequestInputBuilder;
  35 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.OfHeader;
  36 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.multipart.reply.multipart.reply.body.MultipartReplyGroupDescCase;
  37 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.multipart.reply.multipart.reply.body.multipart.reply.group.desc._case.MultipartReplyGroupDesc;
  38 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.multipart.request.multipart.request.body.MultipartRequestGroupDescCase;
  39 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.multipart.request.multipart.request.body.MultipartRequestGroupDescCaseBuilder;
  40
  41 final class GroupDescriptionService
  42         extends AbstractCompatibleStatService<GetGroupDescriptionInput,
  43                                               GetGroupDescriptionOutput,
  44                                               GroupDescStatsUpdated> {
  45     private static final MultipartRequestGroupDescCase GROUP_DESC_CASE =
  46             new MultipartRequestGroupDescCaseBuilder().build();
  47     private final ConvertorExecutor convertorExecutor;
  48
  49     GroupDescriptionService(RequestContextStack requestContextStack,
  50                             DeviceContext deviceContext,
  51                             AtomicLong compatibilityXidSeed,
  52                             ConvertorExecutor convertorExecutor) {
  53         super(requestContextStack, deviceContext, compatibilityXidSeed);
  54         this.convertorExecutor = convertorExecutor;
  55     }
  56
  57     @Override
  58     protected OfHeader buildRequest(final Xid xid, final GetGroupDescriptionInput input) {
  59         final MultipartRequestInputBuilder mprInput = RequestInputUtils.createMultipartHeader(
  60                 MultipartType.OFPMPGROUPDESC, xid.getValue(), getVersion());
  61         mprInput.setMultipartRequestBody(GROUP_DESC_CASE);
  62         return mprInput.build();
  63     }
  64
  65     @Override
  66     public GetGroupDescriptionOutput buildTxCapableResult(TransactionId emulatedTxId) {
  67         return new GetGroupDescriptionOutputBuilder().setTransactionId(emulatedTxId).build();
  68     }
  69
  70     @Override
  71     public GroupDescStatsUpdated transformToNotification(List<MultipartReply> result, TransactionId emulatedTxId) {
  72         GroupDescStatsUpdatedBuilder notification = new GroupDescStatsUpdatedBuilder();
  73         notification.setId(getDeviceInfo().getNodeId());
  74         notification.setMoreReplies(Boolean.FALSE);
  75         notification.setTransactionId(emulatedTxId);
  76
  77         notification.setGroupDescStats(new ArrayList<>());
  78         final VersionConvertorData data = new VersionConvertorData(getVersion());
  79
  80         for (MultipartReply mpReply : result) {
  81             MultipartReplyGroupDescCase caseBody = (MultipartReplyGroupDescCase) mpReply.getMultipartReplyBody();
  82             MultipartReplyGroupDesc replyBody = caseBody.getMultipartReplyGroupDesc();
  83             final Optional<List<GroupDescStats>> groupDescStatsList = convertorExecutor.convert(
  84                     replyBody.getGroupDesc(), data);
  85
  86             groupDescStatsList.ifPresent(groupDescStats -> {
  87                 if (notification.getGroupDescStats() == null) {
  88                     List<GroupDescStats> stats = Lists.newArrayList(groupDescStats);
  89                     notification.setGroupDescStats(stats);
  90                 } else {
  91                     Set<GroupDescStats> stats = new HashSet<>(notification.getGroupDescStats().values());
  92                     stats.addAll(groupDescStats);
  93                     notification.setGroupDescStats(stats.stream().collect(Collectors.toList()));
  94                 }
  95             });
  96
  97
  98         }
  99
 100         return notification.build();
 101     }
 102 }