rsvp/impl/src/main/java/org/opendaylight/protocol/rsvp/parser/impl/te/FastRerouteObjectParser.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 com.google.common.base.Preconditions;
  11 import io.netty.buffer.ByteBuf;
  12 import io.netty.buffer.Unpooled;
  13 import org.opendaylight.protocol.rsvp.parser.spi.subobjects.AbstractRSVPObjectParser;
  14 import org.opendaylight.protocol.util.ByteArray;
  15 import org.opendaylight.protocol.util.ByteBufUtils;
  16 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.network.concepts.rev131125.Bandwidth;
  17 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.rsvp.rev150820.AttributeFilter;
  18 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.rsvp.rev150820.FastRerouteFlags;
  19 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.rsvp.rev150820.RsvpTeObject;
  20 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.rsvp.rev150820.fast.reroute.object.fast.reroute.object.basic.fast.reroute.object._case.BasicFastRerouteObject;
  21 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.rsvp.rev150820.fast.reroute.object.fast.reroute.object.basic.fast.reroute.object._case.BasicFastRerouteObjectBuilder;
  22
  23 public final class FastRerouteObjectParser extends AbstractRSVPObjectParser {
  24     public static final short CLASS_NUM = 205;
  25     public static final short CTYPE = 1;
  26     private static final int BODY_SIZE_C1 = 20;
  27
  28     @Override
  29     protected RsvpTeObject localParseObject(final ByteBuf byteBuf) {
  30         final BasicFastRerouteObjectBuilder builder = new BasicFastRerouteObjectBuilder()
  31                 .setSetupPriority(ByteBufUtils.readUint8(byteBuf))
  32                 .setHoldPriority(ByteBufUtils.readUint8(byteBuf))
  33                 .setHopLimit(ByteBufUtils.readUint8(byteBuf))
  34                 .setFlags(FastRerouteFlags.forValue(byteBuf.readUnsignedByte()));
  35         final ByteBuf v = byteBuf.readSlice(METRIC_VALUE_F_LENGTH);
  36
  37         return builder
  38                 .setBandwidth(new Bandwidth(ByteArray.readAllBytes(v)))
  39                 .setIncludeAny(new AttributeFilter(ByteBufUtils.readUint32(byteBuf)))
  40                 .setExcludeAny(new AttributeFilter(ByteBufUtils.readUint32(byteBuf)))
  41                 .setIncludeAll(new AttributeFilter(ByteBufUtils.readUint32(byteBuf)))
  42                 .build();
  43     }
  44
  45     @Override
  46     public void localSerializeObject(final RsvpTeObject teLspObject, final ByteBuf byteAggregator) {
  47         Preconditions.checkArgument(teLspObject instanceof BasicFastRerouteObject, "FastRerouteObject is mandatory.");
  48         final BasicFastRerouteObject fastRerouteObject = (BasicFastRerouteObject) teLspObject;
  49
  50         serializeAttributeHeader(BODY_SIZE_C1, CLASS_NUM, CTYPE, byteAggregator);
  51         byteAggregator.writeByte(fastRerouteObject.getSetupPriority().toJava());
  52         byteAggregator.writeByte(fastRerouteObject.getHoldPriority().toJava());
  53         byteAggregator.writeByte(fastRerouteObject.getHopLimit().toJava());
  54         byteAggregator.writeByte(fastRerouteObject.getFlags().getIntValue());
  55         byteAggregator.writeBytes(Unpooled.wrappedBuffer(fastRerouteObject.getBandwidth().getValue()));
  56         writeAttributeFilter(fastRerouteObject.getIncludeAny(), byteAggregator);
  57         writeAttributeFilter(fastRerouteObject.getExcludeAny(), byteAggregator);
  58         writeAttributeFilter(fastRerouteObject.getIncludeAll(), byteAggregator);
  59     }
  60 }