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.impl.subobject;
10 import java.util.Arrays;
12 import org.opendaylight.protocol.pcep.spi.PCEPDeserializerException;
13 import org.opendaylight.protocol.pcep.spi.RROSubobjectParser;
14 import org.opendaylight.protocol.pcep.spi.RROSubobjectSerializer;
15 import org.opendaylight.protocol.util.ByteArray;
16 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.PathKey;
17 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.PceId;
18 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.reported.route.object.rro.Subobjects;
19 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.reported.route.object.rro.SubobjectsBuilder;
20 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.reported.route.object.rro.subobjects.subobject.type.PathKeyBuilder;
22 public class RROPathKeySubobjectParser implements RROSubobjectParser, RROSubobjectSerializer {
24 public static final int TYPE = 64;
26 public static final int TYPE128 = 65;
28 private static final int PK_F_LENGTH = 2;
29 private static final int PCE_ID_F_LENGTH = 4;
31 private static final int PCE128_ID_F_LENGTH = 16;
33 private static final int PK_F_OFFSET = 0;
34 private static final int PCE_ID_F_OFFSET = PK_F_OFFSET + PK_F_LENGTH;
36 private static final int CONTENT_LENGTH = PCE_ID_F_OFFSET + PCE_ID_F_LENGTH;
37 private static final int CONTENT128_LENGTH = PCE_ID_F_OFFSET + PCE128_ID_F_LENGTH;
40 public Subobjects parseSubobject(final byte[] buffer) throws PCEPDeserializerException {
41 if (buffer == null || buffer.length == 0) {
42 throw new IllegalArgumentException("Array of bytes is mandatory. Can't be null or empty.");
45 if (buffer.length == CONTENT_LENGTH) {
46 pceId = Arrays.copyOfRange(buffer, PCE_ID_F_OFFSET, CONTENT_LENGTH);
47 } else if (buffer.length == CONTENT128_LENGTH) {
48 pceId = Arrays.copyOfRange(buffer, PCE_ID_F_OFFSET, CONTENT128_LENGTH);
50 throw new PCEPDeserializerException("Wrong length of array of bytes. Passed: " + buffer.length + "; Expected: >"
51 + CONTENT_LENGTH + ".");
53 final int pathKey = ByteArray.bytesToShort(Arrays.copyOfRange(buffer, PK_F_OFFSET, PCE_ID_F_OFFSET));
54 final SubobjectsBuilder builder = new SubobjectsBuilder();
55 final org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.reported.route.object.rro.subobjects.subobject.type.path.key.PathKeyBuilder pBuilder = new org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.reported.route.object.rro.subobjects.subobject.type.path.key.PathKeyBuilder();
56 pBuilder.setPceId(new PceId(pceId));
57 pBuilder.setPathKey(new PathKey(pathKey));
58 builder.setSubobjectType(new PathKeyBuilder().setPathKey(pBuilder.build()).build());
59 return builder.build();
63 public byte[] serializeSubobject(final Subobjects subobject) {
64 final org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.reported.route.object.rro.subobjects.subobject.type.PathKey pk = (org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.reported.route.object.rro.subobjects.subobject.type.PathKey) subobject.getSubobjectType();
65 final int pathKey = pk.getPathKey().getPathKey().getValue();
66 final byte[] pceId = pk.getPathKey().getPceId().getBinary();
67 final byte[] retBytes = new byte[PK_F_LENGTH + pceId.length];
68 System.arraycopy(ByteArray.shortToBytes((short) pathKey), 0, retBytes, PK_F_OFFSET, PK_F_LENGTH);
69 System.arraycopy(pceId, 0, retBytes, PCE_ID_F_OFFSET, pceId.length);
74 public int getType() {
78 public int getType128() {