Thomas Vachuska | 58de416 | 2015-09-10 16:15:33 -0700 | [diff] [blame] | 1 | /* |
| 2 | * Copyright 2015 Open Networking Laboratory |
| 3 | * |
| 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| 5 | * you may not use this file except in compliance with the License. |
| 6 | * You may obtain a copy of the License at |
| 7 | * |
| 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 9 | * |
| 10 | * Unless required by applicable law or agreed to in writing, software |
| 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 13 | * See the License for the specific language governing permissions and |
| 14 | * limitations under the License. |
| 15 | */ |
Sho SHIMIZU | e81e4db | 2015-09-03 09:44:38 -0700 | [diff] [blame] | 16 | package org.onosproject.pcepio.types; |
| 17 | |
| 18 | import java.util.Objects; |
| 19 | import org.jboss.netty.buffer.ChannelBuffer; |
| 20 | import org.onosproject.pcepio.protocol.PcepVersion; |
| 21 | import org.slf4j.Logger; |
| 22 | import org.slf4j.LoggerFactory; |
| 23 | |
| 24 | import com.google.common.base.MoreObjects; |
| 25 | |
| 26 | /** |
| 27 | * Provides PceccCapabilityTlv. |
| 28 | */ |
| 29 | public class PceccCapabilityTlv implements PcepValueType { |
| 30 | |
| 31 | /* PCECC CAPABILITY TLV |
| 32 | * Reference : draft-zhao-pce-pcep-extension-for-pce-controller-01, section-7.1.1 |
| 33 | |
| 34 | 0 1 2 3 |
| 35 | 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 |
| 36 | +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ |
| 37 | | Type=32 | Length=4 | |
| 38 | +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ |
| 39 | | Flags |G|L| |
| 40 | +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ |
| 41 | |
| 42 | */ |
| 43 | protected static final Logger log = LoggerFactory.getLogger(PceccCapabilityTlv.class); |
| 44 | |
| 45 | public static final short TYPE = 32; |
| 46 | public static final short LENGTH = 4; |
| 47 | public static final int SET = 1; |
| 48 | public static final byte LFLAG_CHECK = 0x01; |
| 49 | public static final byte GFLAG_CHECK = 0x02; |
| 50 | |
| 51 | private final boolean bGFlag; |
| 52 | private final boolean bLFlag; |
| 53 | |
| 54 | private final int rawValue; |
| 55 | private final boolean isRawValueSet; |
| 56 | |
| 57 | /** |
| 58 | * Constructor to initialize raw Value. |
| 59 | * |
| 60 | * @param rawValue raw value |
| 61 | */ |
| 62 | public PceccCapabilityTlv(final int rawValue) { |
| 63 | this.rawValue = rawValue; |
| 64 | this.isRawValueSet = true; |
| 65 | |
Phanendra Manda | f346ea8 | 2015-09-04 15:21:39 -0700 | [diff] [blame] | 66 | bLFlag = (rawValue & LFLAG_CHECK) == LFLAG_CHECK; |
| 67 | bGFlag = (rawValue & GFLAG_CHECK) == GFLAG_CHECK; |
Sho SHIMIZU | e81e4db | 2015-09-03 09:44:38 -0700 | [diff] [blame] | 68 | } |
| 69 | |
| 70 | /** |
| 71 | * Constructor to initialize G-flag L-flag. |
| 72 | * @param bGFlag G-flag |
| 73 | * @param bLFlag L-flag |
| 74 | */ |
| 75 | public PceccCapabilityTlv(boolean bGFlag, boolean bLFlag) { |
| 76 | this.bGFlag = bGFlag; |
| 77 | this.bLFlag = bLFlag; |
| 78 | this.rawValue = 0; |
| 79 | this.isRawValueSet = false; |
| 80 | } |
| 81 | |
| 82 | /** |
| 83 | * Returns newly created PceccCapabilityTlv object. |
| 84 | * |
| 85 | * @param raw value |
| 86 | * @return object of Pcecc Capability Tlv |
| 87 | */ |
| 88 | public static PceccCapabilityTlv of(final int raw) { |
| 89 | return new PceccCapabilityTlv(raw); |
| 90 | } |
| 91 | |
| 92 | @Override |
| 93 | public PcepVersion getVersion() { |
| 94 | return PcepVersion.PCEP_1; |
| 95 | } |
| 96 | |
| 97 | /** |
| 98 | * Returns G-flag. |
| 99 | * @return bGFlag G-flag |
| 100 | */ |
| 101 | public boolean getGFlag() { |
| 102 | return bGFlag; |
| 103 | } |
| 104 | |
| 105 | /** |
| 106 | * Returns L-flag. |
| 107 | * @return bLFlag L-flag |
| 108 | */ |
| 109 | public boolean getLFlag() { |
| 110 | return bLFlag; |
| 111 | } |
| 112 | |
| 113 | /** |
| 114 | * Returns the raw value. |
| 115 | * @return rawValue Flags |
| 116 | */ |
| 117 | public int getInt() { |
| 118 | return rawValue; |
| 119 | } |
| 120 | |
| 121 | @Override |
| 122 | public short getType() { |
| 123 | return TYPE; |
| 124 | } |
| 125 | |
| 126 | @Override |
| 127 | public short getLength() { |
| 128 | return LENGTH; |
| 129 | } |
| 130 | |
| 131 | @Override |
| 132 | public int hashCode() { |
| 133 | if (isRawValueSet) { |
| 134 | return Objects.hash(rawValue); |
| 135 | } else { |
| 136 | return Objects.hash(bLFlag, bGFlag); |
| 137 | } |
| 138 | } |
| 139 | |
| 140 | @Override |
| 141 | public boolean equals(Object obj) { |
| 142 | if (this == obj) { |
| 143 | return true; |
| 144 | } |
| 145 | if (obj instanceof PceccCapabilityTlv) { |
| 146 | PceccCapabilityTlv other = (PceccCapabilityTlv) obj; |
| 147 | if (isRawValueSet) { |
| 148 | return Objects.equals(this.rawValue, other.rawValue); |
| 149 | } else { |
| 150 | return Objects.equals(this.bGFlag, other.bGFlag) && Objects.equals(this.bLFlag, other.bLFlag); |
| 151 | } |
| 152 | } |
| 153 | return false; |
| 154 | } |
| 155 | |
| 156 | @Override |
| 157 | public int write(ChannelBuffer c) { |
| 158 | int iLenStartIndex = c.writerIndex(); |
| 159 | int temp = 0; |
| 160 | c.writeShort(TYPE); |
| 161 | c.writeShort(LENGTH); |
| 162 | if (isRawValueSet) { |
| 163 | c.writeInt(rawValue); |
| 164 | } else { |
| 165 | if (bGFlag) { |
| 166 | temp = temp | GFLAG_CHECK; |
| 167 | } |
| 168 | if (bLFlag) { |
| 169 | temp = temp | LFLAG_CHECK; |
| 170 | } |
| 171 | c.writeInt(temp); |
| 172 | } |
| 173 | return c.writerIndex() - iLenStartIndex; |
| 174 | } |
| 175 | |
| 176 | /** |
| 177 | * Reads channel buffer and returns object of PceccCapabilityTlv. |
| 178 | * |
| 179 | * @param c input channel buffer |
| 180 | * @return object of PceccCapabilityTlv |
| 181 | */ |
| 182 | public static PceccCapabilityTlv read(ChannelBuffer c) { |
| 183 | return PceccCapabilityTlv.of(c.readInt()); |
| 184 | } |
| 185 | |
| 186 | @Override |
| 187 | public String toString() { |
Sho SHIMIZU | 7cdbcf7 | 2015-09-03 14:43:05 -0700 | [diff] [blame] | 188 | return MoreObjects.toStringHelper(getClass()) |
| 189 | .add("Type", TYPE) |
| 190 | .add("Length", LENGTH) |
| 191 | .add("Value", rawValue) |
Sho SHIMIZU | e81e4db | 2015-09-03 09:44:38 -0700 | [diff] [blame] | 192 | .toString(); |
| 193 | } |
| 194 | } |