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.object;
10 import org.opendaylight.protocol.pcep.PCEPDeserializerException;
11 import org.opendaylight.protocol.pcep.PCEPDocumentedException;
12 import org.opendaylight.protocol.pcep.impl.Util;
13 import org.opendaylight.protocol.pcep.spi.AbstractObjectParser;
14 import org.opendaylight.protocol.pcep.spi.HandlerRegistry;
15 import org.opendaylight.protocol.util.ByteArray;
16 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.Object;
17 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.ObjectHeader;
18 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.PcepErrorObject;
19 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.ReqMissingTlv;
20 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.Tlv;
21 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.pcep.error.object.Tlvs;
22 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.pcep.error.object.TlvsBuilder;
23 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.pcep.error.object.tlvs.ReqMissingBuilder;
24 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.pcerr.message.pcerr.message.Errors;
25 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.pcerr.message.pcerr.message.ErrorsBuilder;
28 * Parser for {@link org.opendaylight.protocol.pcep.object.PCEPErrorObject PCEPErrorObject}
30 public class PCEPErrorObjectParser extends AbstractObjectParser<ErrorsBuilder> {
32 public static final int CLASS = 13;
34 public static final int TYPE = 1;
36 public static final int FLAGS_F_LENGTH = 1;
37 public static final int ET_F_LENGTH = 1;
38 public static final int EV_F_LENGTH = 1;
40 public static final int FLAGS_F_OFFSET = 1; // added reserved field of size 1 byte
41 public static final int ET_F_OFFSET = FLAGS_F_OFFSET + FLAGS_F_LENGTH;
42 public static final int EV_F_OFFSET = ET_F_OFFSET + ET_F_LENGTH;
43 public static final int TLVS_OFFSET = EV_F_OFFSET + EV_F_LENGTH;
45 public PCEPErrorObjectParser(final HandlerRegistry registry) {
50 public PcepErrorObject parseObject(final ObjectHeader header, final byte[] bytes) throws PCEPDeserializerException,
51 PCEPDocumentedException {
53 throw new IllegalArgumentException("Array of bytes is mandatory.");
55 final ErrorsBuilder builder = new ErrorsBuilder();
57 parseTlvs(builder, ByteArray.cutBytes(bytes, TLVS_OFFSET));
59 builder.setIgnore(header.isIgnore());
60 builder.setProcessingRule(header.isProcessingRule());
62 builder.setType((short) (bytes[ET_F_OFFSET] & 0xFF));
63 builder.setValue((short) (bytes[EV_F_OFFSET] & 0xFF));
65 return builder.build();
69 public void addTlv(final ErrorsBuilder builder, final Tlv tlv) {
70 if (tlv instanceof ReqMissingTlv && builder.getType() == 7)
71 builder.setTlvs(new TlvsBuilder().setReqMissing(
72 new ReqMissingBuilder().setRequestId(((ReqMissingTlv) tlv).getRequestId()).build()).build());
76 public byte[] serializeObject(final Object object) {
77 if (!(object instanceof PcepErrorObject))
78 throw new IllegalArgumentException("Wrong instance of PCEPObject. Passed " + object.getClass() + ". Needed PcepErrorObject.");
80 final PcepErrorObject errObj = (PcepErrorObject) object;
82 final byte[] tlvs = serializeTlvs(((Errors) errObj).getTlvs());
85 tlvsLength = tlvs.length;
86 final byte[] retBytes = new byte[TLVS_OFFSET + tlvsLength + Util.getPadding(TLVS_OFFSET + tlvs.length, PADDED_TO)];
89 ByteArray.copyWhole(tlvs, retBytes, TLVS_OFFSET);
91 retBytes[ET_F_OFFSET] = ByteArray.shortToBytes(errObj.getType())[1];
92 retBytes[EV_F_OFFSET] = ByteArray.shortToBytes(errObj.getValue())[1];
97 public byte[] serializeTlvs(final Tlvs tlvs) {
98 if (tlvs.getReqMissing() != null) {
99 return serializeTlv(new ReqMissingBuilder().setRequestId(tlvs.getReqMissing().getRequestId()).build());
105 public int getObjectType() {
110 public int getObjectClass() {