openflowplugin-impl/src/main/java/org/opendaylight/openflowplugin/impl/statistics/services/compatibility/MeterStatisticsToNotificationTransformer.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
   9 package org.opendaylight.openflowplugin.impl.statistics.services.compatibility;
  10
  11 import java.util.ArrayList;
  12 import java.util.List;
  13 import java.util.Optional;
  14 import org.opendaylight.openflowplugin.api.openflow.device.DeviceInfo;
  15 import org.opendaylight.openflowplugin.api.openflow.md.util.OpenflowVersion;
  16 import org.opendaylight.openflowplugin.openflow.md.core.sal.convertor.ConvertorExecutor;
  17 import org.opendaylight.openflowplugin.openflow.md.core.sal.convertor.data.VersionConvertorData;
  18 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.transaction.rev150304.TransactionId;
  19 import org.opendaylight.yang.gen.v1.urn.opendaylight.meter.statistics.rev131111.MeterStatisticsUpdated;
  20 import org.opendaylight.yang.gen.v1.urn.opendaylight.meter.statistics.rev131111.MeterStatisticsUpdatedBuilder;
  21 import org.opendaylight.yang.gen.v1.urn.opendaylight.meter.types.rev130918.meter.statistics.reply.MeterStats;
  22 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.MultipartReply;
  23 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.multipart.reply.multipart.reply.body.MultipartReplyMeterCase;
  24 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.multipart.reply.multipart.reply.body.multipart.reply.meter._case.MultipartReplyMeter;
  25
  26 /**
  27  * Pulled out meter stats to notification transformation.
  28  */
  29 public final class MeterStatisticsToNotificationTransformer {
  30
  31     private MeterStatisticsToNotificationTransformer() {
  32         // Hide implicit constructor
  33     }
  34
  35     /**
  36      * Transform statistics to notification.
  37      *
  38      * @param mpReplyList   raw multipart response from device
  39      * @param deviceInfo    device state
  40      * @param ofVersion     device version
  41      * @param emulatedTxId  emulated transaction Id
  42      * @param convertorExecutor convertor executor
  43      * @return notification containing flow stats
  44      */
  45     public static MeterStatisticsUpdated transformToNotification(final List<MultipartReply> mpReplyList,
  46                                                                  final DeviceInfo deviceInfo,
  47                                                                  final OpenflowVersion ofVersion,
  48                                                                  final TransactionId emulatedTxId,
  49                                                                  final ConvertorExecutor convertorExecutor) {
  50
  51         VersionConvertorData data = new VersionConvertorData(deviceInfo.getVersion());
  52         MeterStatisticsUpdatedBuilder notification = new MeterStatisticsUpdatedBuilder();
  53         notification.setId(deviceInfo.getNodeId());
  54         notification.setMoreReplies(Boolean.FALSE);
  55         notification.setTransactionId(emulatedTxId);
  56
  57         notification.setMeterStats(new ArrayList<>());
  58         for (MultipartReply mpReply : mpReplyList) {
  59             MultipartReplyMeterCase caseBody = (MultipartReplyMeterCase) mpReply.getMultipartReplyBody();
  60             MultipartReplyMeter replyBody = caseBody.getMultipartReplyMeter();
  61             final Optional<List<MeterStats>> meterStatsList =
  62                     convertorExecutor.convert(replyBody.getMeterStats(), data);
  63
  64             meterStatsList.ifPresent(meterStats -> notification.getMeterStats().addAll(meterStats));
  65         }
  66
  67         return notification.build();
  68     }
  69 }