Vidyashree Rama | f49b22c | 2015-10-13 15:30:24 +0530 | [diff] [blame] | 1 | /*
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| 2 | * Copyright 2015 Open Networking Laboratory
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| 3 | *
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| 4 | * Licensed under the Apache License, Version 2.0 (the "License");
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| 5 | * you may not use this file except in compliance with the License.
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| 6 | * You may obtain a copy of the License at
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| 7 | *
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| 8 | * http://www.apache.org/licenses/LICENSE-2.0
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| 9 | *
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| 10 | * Unless required by applicable law or agreed to in writing, software
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| 11 | * distributed under the License is distributed on an "AS IS" BASIS,
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| 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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| 13 | * See the License for the specific language governing permissions and
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| 14 | * limitations under the License.
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| 15 | */
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| 16 | package org.onosproject.bgpio.types;
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| 17 |
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| 18 | import java.util.Objects;
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| 19 |
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| 20 | import org.jboss.netty.buffer.ChannelBuffer;
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| 21 | import org.slf4j.Logger;
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| 22 | import org.slf4j.LoggerFactory;
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| 23 |
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| 24 | import com.google.common.base.MoreObjects;
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| 25 |
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| 26 | /**
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| 27 | * Provides FourOctetAsNumCapabilityTlv Capability Tlv.
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| 28 | */
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Shashikanth VH | 5dd8dbe | 2015-11-26 13:22:18 +0530 | [diff] [blame^] | 29 | public class FourOctetAsNumCapabilityTlv implements BgpValueType {
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Vidyashree Rama | f49b22c | 2015-10-13 15:30:24 +0530 | [diff] [blame] | 30 |
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| 31 | /**
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| 32 | * support to indicate its support for four-octet AS numbers -CAPABILITY TLV format.
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| 33 | */
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| 34 | protected static final Logger log = LoggerFactory
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| 35 | .getLogger(FourOctetAsNumCapabilityTlv.class);
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| 36 |
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| 37 | public static final byte TYPE = 65;
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| 38 | public static final byte LENGTH = 4;
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| 39 |
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| 40 | private final int rawValue;
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| 41 |
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| 42 | /**
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| 43 | * constructor to initialize rawValue.
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| 44 | * @param rawValue FourOctetAsNumCapabilityTlv
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| 45 | */
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| 46 | public FourOctetAsNumCapabilityTlv(int rawValue) {
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| 47 | this.rawValue = rawValue;
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| 48 | }
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| 49 |
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| 50 | /**
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| 51 | * constructor to initialize raw.
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| 52 | * @param raw AS number
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| 53 | * @return object of FourOctetAsNumCapabilityTlv
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| 54 | */
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| 55 | public static FourOctetAsNumCapabilityTlv of(final int raw) {
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| 56 | return new FourOctetAsNumCapabilityTlv(raw);
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| 57 | }
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| 58 |
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| 59 | /**
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| 60 | * Returns value of TLV.
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| 61 | * @return int value of rawValue
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| 62 | */
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| 63 | public int getInt() {
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| 64 | return rawValue;
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| 65 | }
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| 66 |
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| 67 | @Override
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| 68 | public short getType() {
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| 69 | return TYPE;
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| 70 | }
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| 71 |
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| 72 | @Override
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| 73 | public int hashCode() {
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| 74 | return Objects.hash(rawValue);
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| 75 | }
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| 76 |
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| 77 | @Override
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| 78 | public boolean equals(Object obj) {
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| 79 | if (this == obj) {
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| 80 | return true;
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| 81 | }
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| 82 | if (obj instanceof FourOctetAsNumCapabilityTlv) {
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| 83 | FourOctetAsNumCapabilityTlv other = (FourOctetAsNumCapabilityTlv) obj;
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| 84 | return Objects.equals(rawValue, other.rawValue);
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| 85 | }
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| 86 | return false;
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| 87 | }
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| 88 |
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| 89 | @Override
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| 90 | public int write(ChannelBuffer cb) {
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| 91 | int iLenStartIndex = cb.writerIndex();
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| 92 | cb.writeByte(TYPE);
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| 93 | cb.writeByte(LENGTH);
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| 94 | cb.writeInt(rawValue);
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| 95 | return cb.writerIndex() - iLenStartIndex;
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| 96 | }
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| 97 |
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| 98 | /**
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| 99 | * Reads the channel buffer and returns object of FourOctetAsNumCapabilityTlv.
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| 100 | * @param cb type of channel buffer
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| 101 | * @return object of FourOctetAsNumCapabilityTlv
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| 102 | */
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| 103 | public static FourOctetAsNumCapabilityTlv read(ChannelBuffer cb) {
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| 104 | return FourOctetAsNumCapabilityTlv.of(cb.readInt());
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| 105 | }
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| 106 |
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| 107 | @Override
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| 108 | public String toString() {
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| 109 | return MoreObjects.toStringHelper(getClass())
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| 110 | .add("Type", TYPE)
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| 111 | .add("Length", LENGTH)
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| 112 | .add("Value", rawValue).toString();
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| 113 | }
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| 114 | }
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