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.RROSubobjectParser;
16 import org.opendaylight.protocol.pcep.spi.RROSubobjectUtil;
17 import org.opendaylight.protocol.util.ByteArray;
18 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev181109.reported.route.object.rro.Subobject;
19 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev181109.reported.route.object.rro.SubobjectBuilder;
20 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.rsvp.rev150820.PathKey;
21 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.rsvp.rev150820.PceId;
22 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.rsvp.rev150820._record.route.subobjects.subobject.type.PathKeyCase;
23 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.rsvp.rev150820._record.route.subobjects.subobject.type.PathKeyCaseBuilder;
24 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.rsvp.rev150820._record.route.subobjects.subobject.type.path.key._case.PathKeyBuilder;
25 import org.opendaylight.yangtools.yang.common.netty.ByteBufUtils;
27 public class RROPathKey128SubobjectParser implements RROSubobjectParser {
29 public static final int TYPE = 65;
31 protected static final int PCE128_ID_F_LENGTH = 16;
33 private static final int PK_F_OFFSET = 0;
34 private static final int PK_F_LENGTH = 2;
35 private static final int PCE_ID_F_OFFSET = PK_F_OFFSET + PK_F_LENGTH;
36 private static final int CONTENT128_LENGTH = PCE_ID_F_OFFSET + PCE128_ID_F_LENGTH;
39 public Subobject parseSubobject(final ByteBuf buffer) throws PCEPDeserializerException {
40 checkArgument(buffer != null && buffer.isReadable(), "Array of bytes is mandatory. Cannot be null or empty.");
41 if (buffer.readableBytes() != CONTENT128_LENGTH) {
42 throw new PCEPDeserializerException("Wrong length of array of bytes. Passed: " + buffer.readableBytes()
43 + "; Expected: >" + CONTENT128_LENGTH + ".");
45 return new SubobjectBuilder()
46 .setSubobjectType(new PathKeyCaseBuilder()
47 .setPathKey(new PathKeyBuilder()
48 .setPathKey(new PathKey(ByteBufUtils.readUint16(buffer)))
49 .setPceId(new PceId(ByteArray.readBytes(buffer, PCE128_ID_F_LENGTH)))
55 public static void serializeSubobject(final Subobject subobject, final ByteBuf buffer) {
56 final PathKeyCase pkcase = (PathKeyCase) subobject.getSubobjectType();
57 final org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.rsvp.rev150820._record.route.subobjects
58 .subobject.type.path.key._case.PathKey pk = pkcase.getPathKey();
59 final ByteBuf body = Unpooled.buffer();
60 final PathKey pathKey = pk.getPathKey();
61 checkArgument(pathKey != null, "PathKey is mandatory.");
62 ByteBufUtils.write(body, pathKey.getValue());
63 final PceId pceId = pk.getPceId();
64 checkArgument(pceId != null, "PceId is mandatory.");
65 body.writeBytes(pceId.getValue());
66 RROSubobjectUtil.formatSubobject(TYPE, body, buffer);