2 * Copyright (c) 2014 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.object;
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.spi.CommonObjectParser;
15 import org.opendaylight.protocol.pcep.spi.ObjectSerializer;
16 import org.opendaylight.protocol.pcep.spi.ObjectUtil;
17 import org.opendaylight.protocol.pcep.spi.PCEPDeserializerException;
18 import org.opendaylight.protocol.util.BitArray;
19 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev181109.Object;
20 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev181109.ObjectHeader;
21 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev181109.proc.time.object.ProcTime;
22 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev181109.proc.time.object.ProcTimeBuilder;
23 import org.opendaylight.yangtools.yang.common.netty.ByteBufUtils;
26 * Parser for {@link ProcTime}.
27 * @see <a href="https://tools.ietf.org/html/rfc5886#section-4.4">PROC-TIME Object</a>
29 public class PCEPProcTimeObjectParser extends CommonObjectParser implements ObjectSerializer {
30 private static final int CLASS = 26;
31 private static final int TYPE = 1;
32 private static final int RESERVED = 2;
33 private static final int FLAGS = 16;
34 private static final int COUNT_FIELDS = 5;
35 private static final int BODY_SIZE = RESERVED + FLAGS + COUNT_FIELDS * Integer.BYTES;
36 private static final int E_FLAG_POSITION = 15;
38 public PCEPProcTimeObjectParser() {
43 public void serializeObject(final Object object, final ByteBuf buffer) {
44 checkArgument(object instanceof ProcTime,
45 "Wrong instance of PCEPObject. Passed %s. Needed ProcTimeObject.", object.getClass());
46 final ProcTime procTime = (ProcTime) object;
47 final ByteBuf body = Unpooled.buffer(BODY_SIZE);
48 body.writeZero(RESERVED);
49 final BitArray flagBits = new BitArray(FLAGS);
50 flagBits.set(E_FLAG_POSITION, procTime.getEstimated());
51 flagBits.toByteBuf(body);
52 ByteBufUtils.writeOrZero(body, procTime.getCurrentProcTime());
53 ByteBufUtils.writeOrZero(body, procTime.getMinProcTime());
54 ByteBufUtils.writeOrZero(body, procTime.getMaxProcTime());
55 ByteBufUtils.writeOrZero(body, procTime.getAverageProcTime());
56 ByteBufUtils.writeOrZero(body, procTime.getVarianceProcTime());
57 ObjectUtil.formatSubobject(TYPE, CLASS, object.getProcessingRule(), object.getIgnore(), body, buffer);
61 public Object parseObject(final ObjectHeader header, final ByteBuf buffer) throws PCEPDeserializerException {
62 checkArgument(buffer != null && buffer.isReadable(), "Array of bytes is mandatory. Can't be null or empty.");
63 buffer.skipBytes(RESERVED);
64 final BitArray flagBits = BitArray.valueOf(buffer, FLAGS);
66 return new ProcTimeBuilder()
67 .setEstimated(flagBits.get(E_FLAG_POSITION))
68 .setCurrentProcTime(ByteBufUtils.readUint32(buffer))
69 .setMinProcTime(ByteBufUtils.readUint32(buffer))
70 .setMaxProcTime(ByteBufUtils.readUint32(buffer))
71 .setAverageProcTime(ByteBufUtils.readUint32(buffer))
72 .setVarianceProcTime(ByteBufUtils.readUint32(buffer))