2 * Copyright (c) 2015 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.rsvp.parser.impl.subobject.rro;
10 import static org.opendaylight.protocol.util.ByteBufWriteUtil.writeUnsignedShort;
11 import com.google.common.base.Preconditions;
12 import io.netty.buffer.ByteBuf;
13 import io.netty.buffer.Unpooled;
14 import org.opendaylight.protocol.rsvp.parser.spi.RROSubobjectParser;
15 import org.opendaylight.protocol.rsvp.parser.spi.RROSubobjectSerializer;
16 import org.opendaylight.protocol.rsvp.parser.spi.RSVPParsingException;
17 import org.opendaylight.protocol.util.ByteArray;
18 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.PathKey;
19 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.PceId;
20 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.reported.route.object.rro.subobject.subobject.type.PathKeyCase;
21 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.reported.route.object.rro.subobject.subobject.type.PathKeyCaseBuilder;
22 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.reported.route.object.rro.subobject.subobject.type.path.key._case.PathKeyBuilder;
23 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.rsvp.rev150820.record.route.subobjects.list.SubobjectContainer;
24 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.rsvp.rev150820.record.route.subobjects.list.SubobjectContainerBuilder;
26 public class RROPathKey32SubobjectParser implements RROSubobjectParser, RROSubobjectSerializer {
28 public static final int TYPE = 64;
30 private static final int PK_F_LENGTH = 2;
31 private static final int PCE_ID_F_LENGTH = 4;
33 private static final int PK_F_OFFSET = 0;
34 private static final int PCE_ID_F_OFFSET = PK_F_OFFSET + PK_F_LENGTH;
36 private static final int CONTENT_LENGTH = PCE_ID_F_OFFSET + PCE_ID_F_LENGTH;
39 public SubobjectContainer parseSubobject(final ByteBuf buffer) throws RSVPParsingException {
40 Preconditions.checkArgument(buffer != null && buffer.isReadable(), "Array of bytes is mandatory. Can't be null or empty.");
41 if (buffer.readableBytes() != CONTENT_LENGTH) {
42 throw new RSVPParsingException("Wrong length of array of bytes. Passed: " + buffer.readableBytes() + "; Expected: >"
43 + CONTENT_LENGTH + ".");
45 final int pathKey = buffer.readUnsignedShort();
46 final byte[] pceId = ByteArray.readBytes(buffer, PCE_ID_F_LENGTH);
47 final SubobjectContainerBuilder builder = new SubobjectContainerBuilder();
48 final PathKeyBuilder pBuilder = new PathKeyBuilder();
49 pBuilder.setPceId(new PceId(pceId));
50 pBuilder.setPathKey(new PathKey(pathKey));
51 builder.setSubobjectType(new PathKeyCaseBuilder().setPathKey(pBuilder.build()).build());
52 return builder.build();
56 public void serializeSubobject(final SubobjectContainer subobject, final ByteBuf buffer) {
57 Preconditions.checkArgument(subobject.getSubobjectType() instanceof PathKeyCase, "Unknown subobject instance. Passed %s. Needed PathKey.", subobject.getSubobjectType().getClass());
58 final PathKeyCase pkcase = (PathKeyCase) subobject.getSubobjectType();
59 final org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.reported.route.object.rro.subobject.subobject.type.path.key._case.PathKey pk = pkcase.getPathKey();
60 final ByteBuf body = Unpooled.buffer();
61 Preconditions.checkArgument(pk.getPceId() != null, "PceId is mandatory.");
62 if(pk.getPceId().getBinary().length == 16) {
63 RROPathKey128SubobjectParser.serializeSubobject(subobject,buffer);
65 Preconditions.checkArgument(pk.getPathKey() != null, "PathKey is mandatory.");
66 Preconditions.checkArgument(pk.getPceId().getBinary().length == 4, "PathKey 32Bit is mandatory.");
67 writeUnsignedShort(pk.getPathKey().getValue(), body);
68 body.writeBytes(pk.getPceId().getBinary());
69 RROSubobjectUtil.formatSubobject(TYPE, body, buffer);