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.tlv;
10 import static com.google.common.base.Preconditions.checkArgument;
12 import com.google.common.collect.ImmutableSet;
13 import io.netty.buffer.ByteBuf;
14 import io.netty.buffer.Unpooled;
15 import org.opendaylight.protocol.pcep.PCEPDeserializerException;
16 import org.opendaylight.protocol.pcep.spi.TlvParser;
17 import org.opendaylight.protocol.pcep.spi.TlvSerializer;
18 import org.opendaylight.protocol.pcep.spi.TlvUtil;
19 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev181109.OfId;
20 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev181109.Tlv;
21 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev181109.of.list.tlv.OfList;
22 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev181109.of.list.tlv.OfListBuilder;
23 import org.opendaylight.yangtools.yang.common.netty.ByteBufUtils;
26 * Parser for {@link OfList}.
28 public class OFListTlvParser implements TlvParser, TlvSerializer {
29 public static final int TYPE = 4;
31 private static final int OF_CODE_ELEMENT_LENGTH = 2;
34 public OfList parseTlv(final ByteBuf buffer) throws PCEPDeserializerException {
38 if (buffer.readableBytes() % OF_CODE_ELEMENT_LENGTH != 0) {
39 throw new PCEPDeserializerException("Wrong length of array of bytes. Passed: " + buffer.readableBytes()
42 final var ofCodes = ImmutableSet.<OfId>builder();
43 while (buffer.isReadable()) {
44 ofCodes.add(new OfId(ByteBufUtils.readUint16(buffer)));
46 return new OfListBuilder().setCodes(ofCodes.build()).build();
50 public void serializeTlv(final Tlv tlv, final ByteBuf buffer) {
51 checkArgument(tlv instanceof OfList, "OFListTlv is mandatory.");
52 final OfList oft = (OfList) tlv;
53 final ByteBuf body = Unpooled.buffer();
54 for (OfId id : oft.getCodes()) {
55 ByteBufUtils.write(body, id.getValue());
57 TlvUtil.formatTlv(TYPE, body, buffer);