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.writeUnsignedByte;
12 import static org.opendaylight.protocol.util.ByteBufWriteUtil.writeUnsignedInt;
14 import io.netty.buffer.ByteBuf;
15 import io.netty.buffer.Unpooled;
16 import org.opendaylight.protocol.pcep.spi.PCEPDeserializerException;
17 import org.opendaylight.protocol.pcep.spi.XROSubobjectParser;
18 import org.opendaylight.protocol.pcep.spi.XROSubobjectSerializer;
19 import org.opendaylight.protocol.pcep.spi.XROSubobjectUtil;
20 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev181109.exclude.route.object.xro.Subobject;
21 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev181109.exclude.route.object.xro.SubobjectBuilder;
22 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.rsvp.rev150820.ExcludeRouteSubobjects;
23 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.rsvp.rev150820.SrlgId;
24 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.rsvp.rev150820.SrlgSubobject;
25 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.rsvp.rev150820.basic.explicit.route.subobjects.subobject.type.SrlgCase;
26 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.rsvp.rev150820.basic.explicit.route.subobjects.subobject.type.SrlgCaseBuilder;
27 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.rsvp.rev150820.basic.explicit.route.subobjects.subobject.type.srlg._case.SrlgBuilder;
28 import org.opendaylight.yangtools.yang.common.Uint8;
29 import org.opendaylight.yangtools.yang.common.netty.ByteBufUtils;
32 * Parser for {@link SrlgCase}.
34 public class XROSrlgSubobjectParser implements XROSubobjectParser, XROSubobjectSerializer {
35 public static final int TYPE = 34;
37 private static final int CONTENT_LENGTH = 6;
40 public Subobject parseSubobject(final ByteBuf buffer, final boolean mandatory) 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 final SubobjectBuilder builder = new SubobjectBuilder()
47 .setMandatory(mandatory)
48 .setSubobjectType(new SrlgCaseBuilder()
49 .setSrlg(new SrlgBuilder()
50 .setSrlgId(new SrlgId(ByteBufUtils.readUint32(buffer)))
54 return builder.setAttribute(ExcludeRouteSubobjects.Attribute.forValue(buffer.readUnsignedByte()))
59 public void serializeSubobject(final Subobject subobject, final ByteBuf buffer) {
60 checkArgument(subobject.getSubobjectType() instanceof SrlgCase,
61 "Unknown subobject instance. Passed %s. Needed SrlgCase.", subobject.getSubobjectType().getClass());
62 final SrlgSubobject specObj = ((SrlgCase) subobject.getSubobjectType()).getSrlg();
63 final ByteBuf body = Unpooled.buffer(CONTENT_LENGTH);
64 checkArgument(specObj.getSrlgId() != null, "SrlgId is mandatory.");
65 writeUnsignedInt(specObj.getSrlgId().getValue(), body);
66 checkArgument(subobject.getAttribute() != null, "Attribute is mandatory.");
67 writeUnsignedByte((Uint8) null, body);
68 writeUnsignedByte(Uint8.valueOf(subobject.getAttribute().getIntValue()), body);
69 XROSubobjectUtil.formatSubobject(TYPE, subobject.isMandatory(), body, buffer);