rsvp/impl/src/main/java/org/opendaylight/protocol/rsvp/parser/impl/te/InformationalFastRerouteObjectParser.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.rsvp.parser.impl.te;
   9
  10 import static com.google.common.base.Preconditions.checkArgument;
  11
  12 import io.netty.buffer.ByteBuf;
  13 import io.netty.buffer.Unpooled;
  14 import org.opendaylight.protocol.rsvp.parser.spi.RSVPParsingException;
  15 import org.opendaylight.protocol.rsvp.parser.spi.subobjects.AbstractRSVPObjectParser;
  16 import org.opendaylight.protocol.util.ByteArray;
  17 import org.opendaylight.protocol.util.ByteBufUtils;
  18 import org.opendaylight.protocol.util.ByteBufWriteUtil;
  19 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.network.concepts.rev131125.Bandwidth;
  20 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.rsvp.rev150820.AttributeFilter;
  21 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.rsvp.rev150820.RsvpTeObject;
  22 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.rsvp.rev150820.fast.reroute.object.fast.reroute.object.legacy.fast.reroute.object._case.LegacyFastRerouteObject;
  23 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.rsvp.rev150820.fast.reroute.object.fast.reroute.object.legacy.fast.reroute.object._case.LegacyFastRerouteObjectBuilder;
  24
  25 public final class InformationalFastRerouteObjectParser extends AbstractRSVPObjectParser {
  26
  27     public static final short CLASS_NUM = 205;
  28     public static final short CTYPE = 7;
  29     private static final int BODY_SIZE_C7 = 16;
  30
  31     @Override
  32     protected RsvpTeObject localParseObject(final ByteBuf byteBuf) throws RSVPParsingException {
  33         final LegacyFastRerouteObjectBuilder builder = new LegacyFastRerouteObjectBuilder()
  34                 .setSetupPriority(ByteBufUtils.readUint8(byteBuf))
  35                 .setHoldPriority(ByteBufUtils.readUint8(byteBuf))
  36                 .setHopLimit(ByteBufUtils.readUint8(byteBuf));
  37
  38         //skip reserved
  39         byteBuf.skipBytes(ByteBufWriteUtil.ONE_BYTE_LENGTH);
  40         final ByteBuf v = byteBuf.readSlice(METRIC_VALUE_F_LENGTH);
  41         builder.setBandwidth(new Bandwidth(ByteArray.readAllBytes(v)));
  42         builder.setIncludeAny(new AttributeFilter(ByteBufUtils.readUint32(byteBuf)));
  43         builder.setExcludeAny(new AttributeFilter(ByteBufUtils.readUint32(byteBuf)));
  44         return builder.build();
  45     }
  46
  47     @Override
  48     public void localSerializeObject(final RsvpTeObject teLspObject, final ByteBuf byteAggregator) {
  49         checkArgument(teLspObject instanceof LegacyFastRerouteObject, "FastRerouteObject is mandatory.");
  50         final LegacyFastRerouteObject fastRerouteObject = (LegacyFastRerouteObject) teLspObject;
  51         serializeAttributeHeader(BODY_SIZE_C7, CLASS_NUM, CTYPE, byteAggregator);
  52
  53         byteAggregator.writeByte(fastRerouteObject.getSetupPriority().toJava());
  54         byteAggregator.writeByte(fastRerouteObject.getHoldPriority().toJava());
  55         byteAggregator.writeByte(fastRerouteObject.getHopLimit().toJava());
  56         byteAggregator.writeByte(0);
  57         byteAggregator.writeBytes(Unpooled.wrappedBuffer(fastRerouteObject.getBandwidth().getValue()));
  58         writeAttributeFilter(fastRerouteObject.getIncludeAny(), byteAggregator);
  59         writeAttributeFilter(fastRerouteObject.getExcludeAny(), byteAggregator);
  60     }
  61 }