bmp/bmp-parser-impl/src/main/java/org/opendaylight/protocol/bmp/parser/message/StatisticsReportHandler.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.protocol.bmp.parser.message;
   9
  10 import com.google.common.base.Preconditions;
  11 import io.netty.buffer.ByteBuf;
  12 import io.netty.buffer.Unpooled;
  13 import java.util.concurrent.atomic.AtomicInteger;
  14 import org.opendaylight.protocol.bgp.parser.spi.MessageRegistry;
  15 import org.opendaylight.protocol.bmp.spi.parser.AbstractBmpPerPeerMessageParser;
  16 import org.opendaylight.protocol.bmp.spi.parser.BmpDeserializationException;
  17 import org.opendaylight.protocol.bmp.spi.parser.BmpTlvRegistry;
  18 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bmp.message.rev200120.StatsReportsMessage;
  19 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bmp.message.rev200120.StatsReportsMessageBuilder;
  20 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bmp.message.rev200120.Tlv;
  21 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bmp.message.rev200120.stat.Tlvs;
  22 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bmp.message.rev200120.stat.TlvsBuilder;
  23 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bmp.message.rev200120.stat.tlvs.AdjRibsInRoutesTlv;
  24 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bmp.message.rev200120.stat.tlvs.DuplicatePrefixAdvertisementsTlv;
  25 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bmp.message.rev200120.stat.tlvs.DuplicateUpdatesTlv;
  26 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bmp.message.rev200120.stat.tlvs.DuplicateWithdrawsTlv;
  27 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bmp.message.rev200120.stat.tlvs.InvalidatedAsConfedLoopTlv;
  28 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bmp.message.rev200120.stat.tlvs.InvalidatedAsPathLoopTlv;
  29 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bmp.message.rev200120.stat.tlvs.InvalidatedClusterListLoopTlv;
  30 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bmp.message.rev200120.stat.tlvs.InvalidatedOriginatorIdTlv;
  31 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bmp.message.rev200120.stat.tlvs.LocRibRoutesTlv;
  32 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bmp.message.rev200120.stat.tlvs.PerAfiSafiAdjRibInTlv;
  33 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bmp.message.rev200120.stat.tlvs.PerAfiSafiLocRibTlv;
  34 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bmp.message.rev200120.stat.tlvs.PrefixesTreatedAsWithdrawTlv;
  35 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bmp.message.rev200120.stat.tlvs.RejectedPrefixesTlv;
  36 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bmp.message.rev200120.stat.tlvs.UpdatesTreatedAsWithdrawTlv;
  37 import org.opendaylight.yangtools.yang.binding.Notification;
  38
  39 public class StatisticsReportHandler extends AbstractBmpPerPeerMessageParser<TlvsBuilder> {
  40
  41     private static final int MESSAGE_TYPE = 1;
  42
  43     public StatisticsReportHandler(final MessageRegistry bgpMssageRegistry, final BmpTlvRegistry tlvRegistry) {
  44         super(bgpMssageRegistry, tlvRegistry);
  45     }
  46
  47     @Override
  48     public void serializeMessageBody(final Notification message, final ByteBuf buffer) {
  49         super.serializeMessageBody(message, buffer);
  50         Preconditions.checkArgument(message instanceof StatsReportsMessage,
  51                 "An instance of Statistics Reports message is required");
  52         final StatsReportsMessage statsReport = (StatsReportsMessage) message;
  53         serializeTlvs(statsReport.getTlvs(), buffer);
  54     }
  55
  56     @Override
  57     public Notification parseMessageBody(final ByteBuf bytes) throws BmpDeserializationException {
  58         final StatsReportsMessageBuilder statReport = new StatsReportsMessageBuilder()
  59                 .setPeerHeader(parsePerPeerHeader(bytes));
  60         final TlvsBuilder tlvsBuilder = new TlvsBuilder();
  61         bytes.skipBytes(Integer.BYTES);
  62         parseTlvs(tlvsBuilder, bytes);
  63
  64         return statReport.setTlvs(tlvsBuilder.build()).build();
  65     }
  66
  67     @Override
  68     public int getBmpMessageType() {
  69         return MESSAGE_TYPE;
  70     }
  71
  72     private void serializeTlvs(final Tlvs tlvs, final ByteBuf output) {
  73         final AtomicInteger counter = new AtomicInteger(0);
  74         final ByteBuf tlvsBuffer = Unpooled.buffer();
  75         serializeStatTlv(tlvs.getRejectedPrefixesTlv(), tlvsBuffer, counter);
  76         serializeStatTlv(tlvs.getDuplicatePrefixAdvertisementsTlv(), tlvsBuffer, counter);
  77         serializeStatTlv(tlvs.getDuplicateWithdrawsTlv(), tlvsBuffer, counter);
  78         serializeStatTlv(tlvs.getInvalidatedClusterListLoopTlv(), tlvsBuffer, counter);
  79         serializeStatTlv(tlvs.getInvalidatedAsPathLoopTlv(), tlvsBuffer, counter);
  80         serializeStatTlv(tlvs.getInvalidatedOriginatorIdTlv(), tlvsBuffer, counter);
  81         serializeStatTlv(tlvs.getInvalidatedAsConfedLoopTlv(), tlvsBuffer, counter);
  82         serializeStatTlv(tlvs.getAdjRibsInRoutesTlv(), tlvsBuffer, counter);
  83         serializeStatTlv(tlvs.getLocRibRoutesTlv(), tlvsBuffer, counter);
  84         serializeStatTlv(tlvs.getPerAfiSafiAdjRibInTlv(), tlvsBuffer, counter);
  85         serializeStatTlv(tlvs.getPerAfiSafiLocRibTlv(), tlvsBuffer, counter);
  86         serializeStatTlv(tlvs.getUpdatesTreatedAsWithdrawTlv(), tlvsBuffer, counter);
  87         serializeStatTlv(tlvs.getPrefixesTreatedAsWithdrawTlv(), tlvsBuffer, counter);
  88         serializeStatTlv(tlvs.getDuplicateUpdatesTlv(), tlvsBuffer, counter);
  89
  90         output.writeInt(counter.get());
  91         output.writeBytes(tlvsBuffer);
  92     }
  93
  94     private void serializeStatTlv(final Tlv tlv, final ByteBuf tlvsBuffer, final AtomicInteger counter) {
  95         if (tlv != null) {
  96             counter.incrementAndGet();
  97             serializeTlv(tlv, tlvsBuffer);
  98         }
  99     }
 100
 101     @Override
 102     protected void addTlv(final TlvsBuilder builder, final Tlv tlv) {
 103         if (tlv instanceof AdjRibsInRoutesTlv) {
 104             builder.setAdjRibsInRoutesTlv((AdjRibsInRoutesTlv) tlv);
 105         } else if (tlv instanceof DuplicatePrefixAdvertisementsTlv) {
 106             builder.setDuplicatePrefixAdvertisementsTlv((DuplicatePrefixAdvertisementsTlv) tlv);
 107         } else if (tlv instanceof DuplicateWithdrawsTlv) {
 108             builder.setDuplicateWithdrawsTlv((DuplicateWithdrawsTlv) tlv);
 109         } else if (tlv instanceof InvalidatedAsConfedLoopTlv) {
 110             builder.setInvalidatedAsConfedLoopTlv((InvalidatedAsConfedLoopTlv) tlv);
 111         } else if (tlv instanceof InvalidatedAsPathLoopTlv) {
 112             builder.setInvalidatedAsPathLoopTlv((InvalidatedAsPathLoopTlv) tlv);
 113         } else if (tlv instanceof InvalidatedClusterListLoopTlv) {
 114             builder.setInvalidatedClusterListLoopTlv((InvalidatedClusterListLoopTlv) tlv);
 115         } else if (tlv instanceof InvalidatedOriginatorIdTlv) {
 116             builder.setInvalidatedOriginatorIdTlv((InvalidatedOriginatorIdTlv) tlv);
 117         } else if (tlv instanceof LocRibRoutesTlv) {
 118             builder.setLocRibRoutesTlv((LocRibRoutesTlv) tlv);
 119         } else if (tlv instanceof RejectedPrefixesTlv) {
 120             builder.setRejectedPrefixesTlv((RejectedPrefixesTlv) tlv);
 121         } else if (tlv instanceof PerAfiSafiAdjRibInTlv) {
 122             builder.setPerAfiSafiAdjRibInTlv((PerAfiSafiAdjRibInTlv) tlv);
 123         } else if (tlv instanceof PerAfiSafiLocRibTlv) {
 124             builder.setPerAfiSafiLocRibTlv((PerAfiSafiLocRibTlv) tlv);
 125         } else if (tlv instanceof UpdatesTreatedAsWithdrawTlv) {
 126             builder.setUpdatesTreatedAsWithdrawTlv((UpdatesTreatedAsWithdrawTlv) tlv);
 127         } else if (tlv instanceof PrefixesTreatedAsWithdrawTlv) {
 128             builder.setPrefixesTreatedAsWithdrawTlv((PrefixesTreatedAsWithdrawTlv) tlv);
 129         } else if (tlv instanceof DuplicateUpdatesTlv) {
 130             builder.setDuplicateUpdatesTlv((DuplicateUpdatesTlv) tlv);
 131         }
 132     }
 133 }