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.ietf.initiated00;
10 import com.google.common.base.Preconditions;
11 import io.netty.buffer.ByteBuf;
12 import io.netty.buffer.Unpooled;
13 import java.util.BitSet;
14 import org.opendaylight.protocol.pcep.ietf.stateful07.Stateful07LspObjectParser;
15 import org.opendaylight.protocol.pcep.spi.ObjectUtil;
16 import org.opendaylight.protocol.pcep.spi.PCEPDeserializerException;
17 import org.opendaylight.protocol.pcep.spi.TlvRegistry;
18 import org.opendaylight.protocol.pcep.spi.VendorInformationTlvRegistry;
19 import org.opendaylight.protocol.util.ByteArray;
20 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.crabbe.initiated.rev131126.Lsp1;
21 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.crabbe.initiated.rev131126.Lsp1Builder;
22 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.ietf.stateful.rev131222.OperationalStatus;
23 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.ietf.stateful.rev131222.PlspId;
24 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.ietf.stateful.rev131222.lsp.object.Lsp;
25 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.ietf.stateful.rev131222.lsp.object.LspBuilder;
26 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.ietf.stateful.rev131222.lsp.object.lsp.TlvsBuilder;
27 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.Object;
28 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.ObjectHeader;
31 * Parser for {@link Lsp}
33 public class CInitiated00LspObjectParser extends Stateful07LspObjectParser {
35 private static final int CREATE_FLAG_OFFSET = 8;
37 public CInitiated00LspObjectParser(TlvRegistry tlvReg, VendorInformationTlvRegistry viTlvReg) {
38 super(tlvReg, viTlvReg);
42 public Lsp parseObject(final ObjectHeader header, final ByteBuf bytes) throws PCEPDeserializerException {
43 Preconditions.checkArgument(bytes != null && bytes.isReadable(), "Array of bytes is mandatory. Can't be null or empty.");
44 final LspBuilder builder = new LspBuilder();
45 builder.setIgnore(header.isIgnore());
46 builder.setProcessingRule(header.isProcessingRule());
47 int[] plspIdRaw = new int[] { bytes.readUnsignedByte(), bytes.readUnsignedByte(), bytes.getUnsignedByte(2), };
48 builder.setPlspId(new PlspId((long) ((plspIdRaw[0] << TWELVE_BITS_SHIFT) | (plspIdRaw[1] << FOUR_BITS_SHIFT) | (plspIdRaw[2] >> FOUR_BITS_SHIFT))));
49 final BitSet flags = ByteArray.bytesToBitSet(ByteArray.readBytes(bytes, 2));
50 builder.setDelegate(flags.get(DELEGATE_FLAG_OFFSET));
51 builder.setSync(flags.get(SYNC_FLAG_OFFSET));
52 builder.setRemove(flags.get(REMOVE_FLAG_OFFSET));
53 builder.setAdministrative(flags.get(ADMINISTRATIVE_FLAG_OFFSET));
54 builder.addAugmentation(Lsp1.class, new Lsp1Builder().setCreate(flags.get(CREATE_FLAG_OFFSET)).build());
56 s |= flags.get(OPERATIONAL_OFFSET + 2) ? 1 : 0;
57 s |= (flags.get(OPERATIONAL_OFFSET + 1) ? 1 : 0) << 1;
58 s |= (flags.get(OPERATIONAL_OFFSET) ? 1 : 0) << 2;
59 builder.setOperational(OperationalStatus.forValue(s));
60 final TlvsBuilder b = new TlvsBuilder();
61 parseTlvs(b, bytes.slice());
62 builder.setTlvs(b.build());
63 return builder.build();
67 public void serializeObject(final Object object, final ByteBuf buffer) {
68 Preconditions.checkArgument(object instanceof Lsp, "Wrong instance of PCEPObject. Passed %s. Needed LspObject.", object.getClass());
69 final Lsp specObj = (Lsp) object;
70 final ByteBuf body = Unpooled.buffer();
72 final byte[] retBytes = new byte[BODY_LENGTH];
74 Preconditions.checkArgument(specObj.getPlspId() != null, "PLSP-ID not present");
75 final int lspID = specObj.getPlspId().getValue().intValue();
76 retBytes[0] = (byte) (lspID >> TWELVE_BITS_SHIFT);
77 retBytes[1] = (byte) (lspID >> FOUR_BITS_SHIFT);
78 retBytes[2] = (byte) (lspID << FOUR_BITS_SHIFT);
79 if (specObj.isDelegate() != null && specObj.isDelegate()) {
80 retBytes[FLAGS_INDEX] |= 1 << (Byte.SIZE - (DELEGATE_FLAG_OFFSET - Byte.SIZE) - 1);
82 if (specObj.isRemove() != null && specObj.isRemove()) {
83 retBytes[FLAGS_INDEX] |= 1 << (Byte.SIZE - (REMOVE_FLAG_OFFSET - Byte.SIZE) - 1);
85 if (specObj.isSync() != null && specObj.isSync()) {
86 retBytes[FLAGS_INDEX] |= 1 << (Byte.SIZE - (SYNC_FLAG_OFFSET - Byte.SIZE) - 1);
88 if (specObj.isAdministrative() != null && specObj.isAdministrative()) {
89 retBytes[FLAGS_INDEX] |= 1 << (Byte.SIZE - (ADMINISTRATIVE_FLAG_OFFSET - Byte.SIZE) - 1);
91 if (specObj.getAugmentation(Lsp1.class) != null && specObj.getAugmentation(Lsp1.class).isCreate()) {
92 retBytes[FLAGS_INDEX] |= 1 << (Byte.SIZE - (CREATE_FLAG_OFFSET - Byte.SIZE) - 1);
94 if (specObj.getOperational() != null) {
95 final int op = specObj.getOperational().getIntValue();
96 retBytes[FLAGS_INDEX] |= (op & OP_VALUE_BITS_OFFSET) << FOUR_BITS_SHIFT;
98 body.writeBytes(retBytes);
99 serializeTlvs(specObj.getTlvs(), body);
100 ObjectUtil.formatSubobject(TYPE, CLASS, object.isProcessingRule(), object.isIgnore(), body, buffer);