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.XROSubobjectParser;
16 import org.opendaylight.protocol.pcep.spi.XROSubobjectSerializer;
17 import org.opendaylight.protocol.pcep.spi.XROSubobjectUtil;
18 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev181109.exclude.route.object.xro.Subobject;
19 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev181109.exclude.route.object.xro.SubobjectBuilder;
20 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.rsvp.rev150820.ExcludeRouteSubobjects;
21 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.rsvp.rev150820.ExcludeRouteSubobjects.Attribute;
22 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.rsvp.rev150820.SrlgId;
23 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.rsvp.rev150820.SrlgSubobject;
24 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.rsvp.rev150820.basic.explicit.route.subobjects.subobject.type.SrlgCase;
25 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.rsvp.rev150820.basic.explicit.route.subobjects.subobject.type.SrlgCaseBuilder;
26 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.rsvp.rev150820.basic.explicit.route.subobjects.subobject.type.srlg._case.SrlgBuilder;
27 import org.opendaylight.yangtools.yang.common.netty.ByteBufUtils;
30 * Parser for {@link SrlgCase}.
32 public class XROSrlgSubobjectParser implements XROSubobjectParser, XROSubobjectSerializer {
33 public static final int TYPE = 34;
35 private static final int CONTENT_LENGTH = 6;
38 public Subobject parseSubobject(final ByteBuf buffer, final boolean mandatory) throws PCEPDeserializerException {
39 checkArgument(buffer != null && buffer.isReadable(), "Array of bytes is mandatory. Cannot be null or empty.");
40 if (buffer.readableBytes() != CONTENT_LENGTH) {
41 throw new PCEPDeserializerException("Wrong length of array of bytes. Passed: " + buffer.readableBytes()
42 + "; Expected: " + CONTENT_LENGTH + ".");
44 final SubobjectBuilder builder = new SubobjectBuilder()
45 .setMandatory(mandatory)
46 .setSubobjectType(new SrlgCaseBuilder()
47 .setSrlg(new SrlgBuilder()
48 .setSrlgId(new SrlgId(ByteBufUtils.readUint32(buffer)))
52 return builder.setAttribute(ExcludeRouteSubobjects.Attribute.forValue(buffer.readUnsignedByte()))
57 public void serializeSubobject(final Subobject subobject, final ByteBuf buffer) {
58 checkArgument(subobject.getSubobjectType() instanceof SrlgCase,
59 "Unknown subobject instance. Passed %s. Needed SrlgCase.", subobject.getSubobjectType().getClass());
60 final SrlgSubobject specObj = ((SrlgCase) subobject.getSubobjectType()).getSrlg();
61 final ByteBuf body = Unpooled.buffer(CONTENT_LENGTH);
63 final SrlgId srlgId = specObj.getSrlgId();
64 checkArgument(srlgId != null, "SrlgId is mandatory.");
65 ByteBufUtils.write(body, srlgId.getValue());
67 final Attribute attribute = subobject.getAttribute();
68 checkArgument(attribute != null, "Attribute is mandatory.");
70 body.writeByte(attribute.getIntValue());
71 XROSubobjectUtil.formatSubobject(TYPE, subobject.getMandatory(), body, buffer);