rsvp/impl/src/main/java/org/opendaylight/protocol/rsvp/parser/impl/te/SessionAttributeLspRaObjectParser.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 java.nio.charset.StandardCharsets;
  15 import org.opendaylight.protocol.rsvp.parser.spi.RSVPParsingException;
  16 import org.opendaylight.protocol.rsvp.parser.spi.subobjects.AbstractRSVPObjectParser;
  17 import org.opendaylight.protocol.util.BitArray;
  18 import org.opendaylight.protocol.util.ByteArray;
  19 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.rsvp.rev150820.AttributeFilter;
  20 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.rsvp.rev150820.RsvpTeObject;
  21 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.rsvp.rev150820.session.attribute.object.session.attribute.object.session.attribute.object.with.resources.affinities._case.SessionAttributeObjectWithResourcesAffinities;
  22 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.rsvp.rev150820.session.attribute.object.session.attribute.object.session.attribute.object.with.resources.affinities._case.SessionAttributeObjectWithResourcesAffinitiesBuilder;
  23 import org.opendaylight.yangtools.yang.common.netty.ByteBufUtils;
  24
  25 public final class SessionAttributeLspRaObjectParser extends AbstractRSVPObjectParser {
  26     public static final short CLASS_NUM = 207;
  27     public static final short CTYPE = 1;
  28     private static final Short BODY_SIZE_C1 = 16;
  29
  30     @Override
  31     protected RsvpTeObject localParseObject(final ByteBuf byteBuf) throws RSVPParsingException {
  32         final SessionAttributeObjectWithResourcesAffinitiesBuilder builder =
  33                 new SessionAttributeObjectWithResourcesAffinitiesBuilder()
  34                     .setIncludeAny(new AttributeFilter(ByteBufUtils.readUint32(byteBuf)))
  35                     .setExcludeAny(new AttributeFilter(ByteBufUtils.readUint32(byteBuf)))
  36                     .setIncludeAll(new AttributeFilter(ByteBufUtils.readUint32(byteBuf)))
  37                     .setSetupPriority(ByteBufUtils.readUint8(byteBuf))
  38                     .setHoldPriority(ByteBufUtils.readUint8(byteBuf));
  39
  40         final BitArray bs = BitArray.valueOf(byteBuf.readByte());
  41         builder.setLocalProtectionDesired(bs.get(SessionAttributeLspObjectParser.LOCAL_PROTECTION));
  42         builder.setLabelRecordingDesired(bs.get(SessionAttributeLspObjectParser.LABEL_RECORDING));
  43         builder.setSeStyleDesired(bs.get(SessionAttributeLspObjectParser.SE_STYLE));
  44         final short nameLenght = byteBuf.readUnsignedByte();
  45         final ByteBuf auxBuf = byteBuf.readSlice(nameLenght);
  46         final String name = new String(ByteArray.readAllBytes(auxBuf), StandardCharsets.US_ASCII);
  47         builder.setSessionName(name);
  48         return builder.build();
  49     }
  50
  51     @Override
  52     public void localSerializeObject(final RsvpTeObject teLspObject, final ByteBuf output) {
  53         checkArgument(teLspObject instanceof SessionAttributeObjectWithResourcesAffinities,
  54             "SessionAttributeObject is mandatory.");
  55
  56         final SessionAttributeObjectWithResourcesAffinities sessionObject =
  57             (SessionAttributeObjectWithResourcesAffinities) teLspObject;
  58         final ByteBuf sessionName = Unpooled.wrappedBuffer(StandardCharsets.US_ASCII.encode(sessionObject
  59             .getSessionName()));
  60         final int pad = SessionAttributeLspObjectParser.getPadding(sessionName.readableBytes());
  61
  62         serializeAttributeHeader(BODY_SIZE_C1 + pad + sessionName.readableBytes(), CLASS_NUM, CTYPE, output);
  63         writeAttributeFilter(sessionObject.getIncludeAny(), output);
  64         writeAttributeFilter(sessionObject.getExcludeAny(), output);
  65         writeAttributeFilter(sessionObject.getIncludeAll(), output);
  66         output.writeByte(sessionObject.getSetupPriority().toJava());
  67         output.writeByte(sessionObject.getHoldPriority().toJava());
  68         final BitArray bs = new BitArray(FLAGS_SIZE);
  69         bs.set(SessionAttributeLspObjectParser.LOCAL_PROTECTION, sessionObject.isLocalProtectionDesired());
  70         bs.set(SessionAttributeLspObjectParser.LABEL_RECORDING, sessionObject.isLabelRecordingDesired());
  71         bs.set(SessionAttributeLspObjectParser.SE_STYLE, sessionObject.isSeStyleDesired());
  72         bs.toByteBuf(output);
  73         output.writeByte(sessionName.readableBytes());
  74         output.writeBytes(Unpooled.wrappedBuffer(StandardCharsets.US_ASCII.encode(sessionObject.getSessionName())));
  75         output.writeZero(pad);
  76     }
  77 }