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