bharat saraswal | f7364db | 2015-08-11 13:39:31 +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 |
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| 17 | package org.onosproject.pcepio.types;
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| 18 |
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| 19 | import java.util.Objects;
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| 20 |
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| 21 | import org.jboss.netty.buffer.ChannelBuffer;
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| 22 | import org.onosproject.pcepio.protocol.PcepVersion;
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| 23 | import org.slf4j.Logger;
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| 24 | import org.slf4j.LoggerFactory;
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| 25 |
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| 26 | import com.google.common.base.MoreObjects;
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| 27 |
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| 28 | /**
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| 29 | * Provides SymbolicPathNameTlv.
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| 30 | */
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| 31 | public class SymbolicPathNameTlv implements PcepValueType {
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| 32 |
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| 33 | /*
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| 34 | * SYMBOLIC-PATH-NAME TLV format
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| 35 | * Reference :PCEP Extensions for Stateful PCE draft-ietf-pce-stateful-pce-10
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| 36 | *
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| 37 | 0 1 2 3
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| 38 | 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1
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| 39 | +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
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| 40 | | Type=17 | Length (variable) |
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| 41 | +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
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| 42 | | |
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| 43 | // Symbolic Path Name //
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| 44 | | |
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| 45 | +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
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| 46 | */
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| 47 | protected static final Logger log = LoggerFactory.getLogger(SymbolicPathNameTlv.class);
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| 48 |
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| 49 | public static final short TYPE = 17;
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| 50 | private short hLength;
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| 51 |
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| 52 | private final byte[] rawValue;
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| 53 |
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| 54 | /**
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| 55 | * Constructor to initialize raw Value.
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| 56 | *
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| 57 | * @param rawValue Symbolic path name
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| 58 | */
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| 59 | public SymbolicPathNameTlv(byte[] rawValue) {
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| 60 | this.rawValue = rawValue;
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| 61 | this.hLength = (short) rawValue.length;
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| 62 | }
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| 63 |
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| 64 | /**
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| 65 | * Constructor to initialize raw Value.
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| 66 | *
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| 67 | * @param rawValue Symbolic path name
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| 68 | * @param hLength length of Symbolic path name
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| 69 | */
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| 70 | public SymbolicPathNameTlv(byte[] rawValue, short hLength) {
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| 71 | this.rawValue = rawValue;
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| 72 | if (0 == hLength) {
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| 73 | this.hLength = (short) rawValue.length;
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| 74 | } else {
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| 75 | this.hLength = hLength;
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| 76 | }
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| 77 | }
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| 78 |
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| 79 | /**
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| 80 | * Creates an object of SymbolicPathNameTlv.
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| 81 | *
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| 82 | * @param raw Symbolic path name
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| 83 | * @param hLength length of Symbolic path name
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| 84 | * @return object of SymbolicPathNameTlv
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| 85 | */
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| 86 | public static SymbolicPathNameTlv of(final byte[] raw, short hLength) {
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| 87 | return new SymbolicPathNameTlv(raw, hLength);
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| 88 | }
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| 89 |
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| 90 | /**
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| 91 | * Returns Symbolic path name.
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| 92 | *
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| 93 | * @return Symbolic path name byte array
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| 94 | */
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| 95 | public byte[] getValue() {
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| 96 | return rawValue;
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| 97 | }
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| 98 |
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| 99 | @Override
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| 100 | public PcepVersion getVersion() {
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| 101 | return PcepVersion.PCEP_1;
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| 102 | }
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| 103 |
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| 104 | @Override
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| 105 | public short getType() {
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| 106 | return TYPE;
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| 107 | }
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| 108 |
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| 109 | @Override
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| 110 | public short getLength() {
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| 111 | return hLength;
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| 112 | }
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| 113 |
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| 114 | @Override
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| 115 | public int hashCode() {
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| 116 | return Objects.hash(rawValue);
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| 117 | }
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| 118 |
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| 119 | @Override
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| 120 | public boolean equals(Object obj) {
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| 121 | if (this == obj) {
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| 122 | return true;
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| 123 | }
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| 124 | if (obj instanceof SymbolicPathNameTlv) {
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| 125 | SymbolicPathNameTlv other = (SymbolicPathNameTlv) obj;
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| 126 | return Objects.equals(this.rawValue, other.rawValue);
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| 127 | }
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| 128 | return false;
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| 129 | }
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| 130 |
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| 131 | @Override
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| 132 | public int write(ChannelBuffer c) {
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| 133 | int iLenStartIndex = c.writerIndex();
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| 134 | c.writeShort(TYPE);
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| 135 | c.writeShort(hLength);
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| 136 | c.writeBytes(rawValue);
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| 137 | return c.writerIndex() - iLenStartIndex;
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| 138 | }
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| 139 |
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| 140 | /**
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| 141 | * Reads channel buffer and returns object of SymbolicPathNameTlv.
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| 142 | *
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| 143 | * @param c of type channel buffer
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| 144 | * @param hLength length of bytes to read
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| 145 | * @return object of SymbolicPathNameTlv
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| 146 | */
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| 147 | public static SymbolicPathNameTlv read(ChannelBuffer c, short hLength) {
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| 148 | byte[] symbolicPathName = new byte[hLength];
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| 149 | c.readBytes(symbolicPathName, 0, hLength);
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| 150 | return new SymbolicPathNameTlv(symbolicPathName, hLength);
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| 151 | }
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| 152 |
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| 153 | @Override
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bharat saraswal | f7364db | 2015-08-11 13:39:31 +0530 | [diff] [blame] | 154 | public String toString() {
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bharat saraswal | e180630 | 2015-08-21 12:16:46 +0530 | [diff] [blame^] | 155 | return MoreObjects.toStringHelper(getClass()).add("SymbolicPathName ", rawValue).toString();
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bharat saraswal | f7364db | 2015-08-11 13:39:31 +0530 | [diff] [blame] | 156 | }
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| 157 | }
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