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.LabelParser;
16 import org.opendaylight.protocol.pcep.spi.LabelSerializer;
17 import org.opendaylight.protocol.pcep.spi.LabelUtil;
18 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.rsvp.rev150820.label.subobject.LabelType;
19 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.rsvp.rev150820.label.subobject.label.type.WavebandSwitchingLabelCase;
20 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.rsvp.rev150820.label.subobject.label.type.WavebandSwitchingLabelCaseBuilder;
21 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.rsvp.rev150820.label.subobject.label.type.waveband.switching.label._case.WavebandSwitchingLabel;
22 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.rsvp.rev150820.label.subobject.label.type.waveband.switching.label._case.WavebandSwitchingLabelBuilder;
23 import org.opendaylight.yangtools.yang.common.netty.ByteBufUtils;
26 * Parser for {@link WavebandSwitchingLabelCase}.
28 public class WavebandSwitchingLabelParser implements LabelParser, LabelSerializer {
29 public static final int CTYPE = 3;
31 private static final int WAVEB_F_LENGTH = 4;
32 private static final int START_F_LENGTH = 4;
33 private static final int END_F_LENGTH = 4;
34 private static final int CONTENT_LENGTH = WAVEB_F_LENGTH + START_F_LENGTH + END_F_LENGTH;
37 public LabelType parseLabel(final ByteBuf buffer) 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 return new WavebandSwitchingLabelCaseBuilder()
44 .setWavebandSwitchingLabel(new WavebandSwitchingLabelBuilder()
45 .setWavebandId(ByteBufUtils.readUint32(buffer))
46 .setStartLabel(ByteBufUtils.readUint32(buffer))
47 .setEndLabel(ByteBufUtils.readUint32(buffer))
53 public void serializeLabel(final boolean unidirectional, final boolean global, final LabelType subobject,
54 final ByteBuf buffer) {
55 checkArgument(subobject instanceof WavebandSwitchingLabelCase,
56 "Unknown Label Subobject instance. Passed {}. Needed WavebandSwitchingLabelCase.", subobject.getClass());
57 final WavebandSwitchingLabel obj = ((WavebandSwitchingLabelCase) subobject).getWavebandSwitchingLabel();
58 final ByteBuf body = Unpooled.buffer(CONTENT_LENGTH);
59 ByteBufUtils.writeMandatory(body, obj.getWavebandId(), "WavebandId");
60 ByteBufUtils.writeMandatory(body, obj.getStartLabel(), "StartLabel");
61 ByteBufUtils.writeMandatory(body, obj.getEndLabel(), "EndLabel");
62 LabelUtil.formatLabel(CTYPE, unidirectional, global, body, buffer);