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;
11 import static org.opendaylight.protocol.util.ByteBufWriteUtil.writeUnsignedInt;
13 import io.netty.buffer.ByteBuf;
14 import io.netty.buffer.Unpooled;
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.protocol.pcep.spi.PCEPDeserializerException;
19 import org.opendaylight.protocol.util.ByteBufUtils;
20 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.rsvp.rev150820.label.subobject.LabelType;
21 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.rsvp.rev150820.label.subobject.label.type.WavebandSwitchingLabelCase;
22 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.rsvp.rev150820.label.subobject.label.type.WavebandSwitchingLabelCaseBuilder;
23 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.rsvp.rev150820.label.subobject.label.type.waveband.switching.label._case.WavebandSwitchingLabel;
24 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.rsvp.rev150820.label.subobject.label.type.waveband.switching.label._case.WavebandSwitchingLabelBuilder;
27 * Parser for {@link WavebandSwitchingLabelCase}.
29 public class WavebandSwitchingLabelParser implements LabelParser, LabelSerializer {
31 public static final int CTYPE = 3;
33 private static final int WAVEB_F_LENGTH = 4;
34 private static final int START_F_LENGTH = 4;
35 private static final int END_F_LENGTH = 4;
37 private static final int CONTENT_LENGTH = WAVEB_F_LENGTH + START_F_LENGTH + END_F_LENGTH;
40 public LabelType parseLabel(final ByteBuf buffer) throws PCEPDeserializerException {
41 checkArgument(buffer != null && buffer.isReadable(), "Array of bytes is mandatory. Cannot be null or empty.");
42 if (buffer.readableBytes() != CONTENT_LENGTH) {
43 throw new PCEPDeserializerException("Wrong length of array of bytes. Passed: " + buffer.readableBytes()
44 + "; Expected: " + CONTENT_LENGTH + ".");
46 return new WavebandSwitchingLabelCaseBuilder()
47 .setWavebandSwitchingLabel(new WavebandSwitchingLabelBuilder()
48 .setWavebandId(ByteBufUtils.readUint32(buffer))
49 .setStartLabel(ByteBufUtils.readUint32(buffer))
50 .setEndLabel(ByteBufUtils.readUint32(buffer))
56 public void serializeLabel(final boolean unidirectional, final boolean global, final LabelType subobject,
57 final ByteBuf buffer) {
58 checkArgument(subobject instanceof WavebandSwitchingLabelCase,
59 "Unknown Label Subobject instance. Passed {}. Needed WavebandSwitchingLabelCase.", subobject.getClass());
60 final WavebandSwitchingLabel obj = ((WavebandSwitchingLabelCase) subobject).getWavebandSwitchingLabel();
61 final ByteBuf body = Unpooled.buffer(CONTENT_LENGTH);
62 checkArgument(obj.getWavebandId() != null, "WavebandId is mandatory.");
63 writeUnsignedInt(obj.getWavebandId(), body);
64 checkArgument(obj.getStartLabel() != null, "StartLabel is mandatory.");
65 writeUnsignedInt(obj.getStartLabel(), body);
66 checkArgument(obj.getEndLabel() != null, "EndLabel is mandatory.");
67 writeUnsignedInt(obj.getEndLabel(), body);
68 LabelUtil.formatLabel(CTYPE, unidirectional, global, body, buffer);