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.protocol.util.ByteBufUtils;
21 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev181109.exclude.route.object.xro.Subobject;
22 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev181109.exclude.route.object.xro.SubobjectBuilder;
23 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.rsvp.rev150820.ExcludeRouteSubobjects.Attribute;
24 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.rsvp.rev150820.UnnumberedSubobject;
25 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.rsvp.rev150820.basic.explicit.route.subobjects.subobject.type.UnnumberedCase;
26 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.rsvp.rev150820.basic.explicit.route.subobjects.subobject.type.UnnumberedCaseBuilder;
27 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.rsvp.rev150820.basic.explicit.route.subobjects.subobject.type.unnumbered._case.UnnumberedBuilder;
28 import org.opendaylight.yangtools.yang.common.Uint8;
31 * Parser for {@link UnnumberedCase}.
33 public class XROUnnumberedInterfaceSubobjectParser implements XROSubobjectParser, XROSubobjectSerializer {
35 public static final int TYPE = 4;
37 private static final int RESERVED = 1;
39 private static final int CONTENT_LENGTH = 10;
42 public Subobject parseSubobject(final ByteBuf buffer, final boolean mandatory) throws PCEPDeserializerException {
43 checkArgument(buffer != null && buffer.isReadable(), "Array of bytes is mandatory. Cannot be null or empty.");
44 if (buffer.readableBytes() != CONTENT_LENGTH) {
45 throw new PCEPDeserializerException("Wrong length of array of bytes. Passed: " + buffer.readableBytes()
46 + "; Expected: " + CONTENT_LENGTH + ".");
48 buffer.readerIndex(buffer.readerIndex() + RESERVED);
49 final Attribute attr = Attribute.forValue(buffer.readUnsignedByte());
50 final UnnumberedBuilder ubuilder = new UnnumberedBuilder()
51 .setRouterId(ByteBufUtils.readUint32(buffer))
52 .setInterfaceId(ByteBufUtils.readUint32(buffer));
53 final SubobjectBuilder builder = new SubobjectBuilder()
54 .setMandatory(mandatory)
56 .setSubobjectType(new UnnumberedCaseBuilder().setUnnumbered(ubuilder.build()).build());
57 return builder.build();
61 public void serializeSubobject(final Subobject subobject, final ByteBuf buffer) {
62 checkArgument(subobject.getSubobjectType() instanceof UnnumberedCase,
63 "Unknown subobject instance. Passed %s. Needed UnnumberedCase.", subobject.getSubobjectType().getClass());
64 final UnnumberedSubobject specObj = ((UnnumberedCase) subobject.getSubobjectType()).getUnnumbered();
65 final ByteBuf body = Unpooled.buffer(CONTENT_LENGTH);
66 body.writeZero(RESERVED);
68 subobject.getAttribute() != null ? Uint8.valueOf(subobject.getAttribute().getIntValue()) : (Uint8) null,
70 checkArgument(specObj.getRouterId() != null, "RouterId is mandatory.");
71 writeUnsignedInt(specObj.getRouterId(), body);
72 checkArgument(specObj.getInterfaceId() != null, "InterfaceId is mandatory.");
73 writeUnsignedInt(specObj.getInterfaceId(), body);
74 XROSubobjectUtil.formatSubobject(TYPE, subobject.isMandatory(), body, buffer);