2 * Copyright (c) 2013 Cisco Systems, Inc. and others. All rights reserved.
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
8 package org.opendaylight.protocol.pcep.parser.subobject;
10 import static com.google.common.base.Preconditions.checkArgument;
12 import io.netty.buffer.ByteBuf;
13 import io.netty.buffer.Unpooled;
14 import org.opendaylight.protocol.pcep.PCEPDeserializerException;
15 import org.opendaylight.protocol.pcep.spi.XROSubobjectParser;
16 import org.opendaylight.protocol.pcep.spi.XROSubobjectSerializer;
17 import org.opendaylight.protocol.pcep.spi.XROSubobjectUtil;
18 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev181109.exclude.route.object.xro.Subobject;
19 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev181109.exclude.route.object.xro.SubobjectBuilder;
20 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.rsvp.rev150820.ExcludeRouteSubobjects.Attribute;
21 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.rsvp.rev150820.UnnumberedSubobject;
22 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.rsvp.rev150820.basic.explicit.route.subobjects.subobject.type.UnnumberedCase;
23 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.rsvp.rev150820.basic.explicit.route.subobjects.subobject.type.UnnumberedCaseBuilder;
24 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.rsvp.rev150820.basic.explicit.route.subobjects.subobject.type.unnumbered._case.UnnumberedBuilder;
25 import org.opendaylight.yangtools.yang.common.netty.ByteBufUtils;
28 * Parser for {@link UnnumberedCase}.
30 public class XROUnnumberedInterfaceSubobjectParser implements XROSubobjectParser, XROSubobjectSerializer {
31 public static final int TYPE = 4;
33 private static final int RESERVED = 1;
34 private static final int CONTENT_LENGTH = 10;
37 public Subobject parseSubobject(final ByteBuf buffer, final boolean mandatory) throws PCEPDeserializerException {
38 checkArgument(buffer != null && buffer.isReadable(), "Array of bytes is mandatory. Cannot be null or empty.");
39 if (buffer.readableBytes() != CONTENT_LENGTH) {
40 throw new PCEPDeserializerException("Wrong length of array of bytes. Passed: " + buffer.readableBytes()
41 + "; Expected: " + CONTENT_LENGTH + ".");
43 buffer.readerIndex(buffer.readerIndex() + RESERVED);
44 final Attribute attr = Attribute.forValue(buffer.readUnsignedByte());
45 final UnnumberedBuilder ubuilder = new UnnumberedBuilder()
46 .setRouterId(ByteBufUtils.readUint32(buffer))
47 .setInterfaceId(ByteBufUtils.readUint32(buffer));
48 return new SubobjectBuilder()
49 .setMandatory(mandatory)
51 .setSubobjectType(new UnnumberedCaseBuilder().setUnnumbered(ubuilder.build()).build())
56 public void serializeSubobject(final Subobject subobject, final ByteBuf buffer) {
57 checkArgument(subobject.getSubobjectType() instanceof UnnumberedCase,
58 "Unknown subobject instance. Passed %s. Needed UnnumberedCase.", subobject.getSubobjectType().getClass());
59 final UnnumberedSubobject specObj = ((UnnumberedCase) subobject.getSubobjectType()).getUnnumbered();
60 final ByteBuf body = Unpooled.buffer(CONTENT_LENGTH);
61 body.writeZero(RESERVED);
63 final Attribute attribute = subobject.getAttribute();
64 body.writeByte(attribute != null ? attribute.getIntValue() : 0);
66 ByteBufUtils.writeMandatory(body, specObj.getRouterId(), "RouterId");
67 ByteBufUtils.writeMandatory(body, specObj.getInterfaceId(), "InterfaceId");
68 XROSubobjectUtil.formatSubobject(TYPE, subobject.getMandatory(), body, buffer);