Thomas Vachuska | 58de416 | 2015-09-10 16:15:33 -0700 | [diff] [blame] | 1 | /* |
Brian O'Connor | 5ab426f | 2016-04-09 01:19:45 -0700 | [diff] [blame] | 2 | * Copyright 2015-present Open Networking Laboratory |
Thomas Vachuska | 58de416 | 2015-09-10 16:15:33 -0700 | [diff] [blame] | 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.protocol.ver1; |
| 17 | |
| 18 | import org.jboss.netty.buffer.ChannelBuffer; |
| 19 | import org.onosproject.pcepio.exceptions.PcepParseException; |
| 20 | import org.onosproject.pcepio.protocol.PcepAttribute; |
| 21 | import org.onosproject.pcepio.protocol.PcepEroObject; |
| 22 | import org.onosproject.pcepio.protocol.PcepMsgPath; |
| 23 | import org.slf4j.Logger; |
| 24 | import org.slf4j.LoggerFactory; |
| 25 | |
| 26 | import com.google.common.base.MoreObjects; |
| 27 | |
| 28 | /** |
| 29 | * Provides PCEP Message PAth for update message. |
| 30 | * Reference :PCE extensions for stateful draft-ietf-pce-stateful-pce-10. |
| 31 | */ |
| 32 | public class PcepMsgPathVer1 implements PcepMsgPath { |
| 33 | |
| 34 | /* |
| 35 | * <path> ::= <ERO><attribute-list> |
| 36 | */ |
| 37 | |
| 38 | protected static final Logger log = LoggerFactory.getLogger(PcepMsgPathVer1.class); |
| 39 | //PcepEroObject |
| 40 | private PcepEroObject eroObj; |
| 41 | private boolean isEroObjectSet; |
| 42 | // PcepAttribute |
| 43 | private PcepAttribute attrList; |
| 44 | private boolean isAttributeListSet; |
| 45 | |
| 46 | /** |
| 47 | * constructor to initialize objects. |
| 48 | */ |
| 49 | public PcepMsgPathVer1() { |
| 50 | eroObj = null; |
| 51 | attrList = null; |
| 52 | isEroObjectSet = false; |
| 53 | isAttributeListSet = false; |
| 54 | } |
| 55 | |
| 56 | @Override |
| 57 | public PcepEroObject getEroObject() { |
| 58 | return eroObj; |
| 59 | } |
| 60 | |
| 61 | @Override |
| 62 | public PcepAttribute getPcepAttribute() { |
| 63 | return attrList; |
| 64 | } |
| 65 | |
| 66 | @Override |
| 67 | public void setEroObject(PcepEroObject eroObj) { |
| 68 | this.eroObj = eroObj; |
| 69 | } |
| 70 | |
| 71 | @Override |
| 72 | public void setPcepAttribute(PcepAttribute attrList) { |
| 73 | this.attrList = attrList; |
| 74 | } |
| 75 | |
| 76 | /** |
| 77 | * constructor to initialize member variables. |
| 78 | * |
| 79 | * @param eroObj pcep ero object |
| 80 | * @param attrList pcep attribute |
| 81 | */ |
| 82 | public PcepMsgPathVer1(PcepEroObject eroObj, PcepAttribute attrList) { |
| 83 | this.eroObj = eroObj; |
| 84 | isEroObjectSet = true; |
| 85 | this.attrList = attrList; |
| 86 | if (attrList == null) { |
| 87 | isAttributeListSet = false; |
| 88 | } else { |
| 89 | isAttributeListSet = true; |
| 90 | } |
| 91 | } |
| 92 | |
| 93 | @Override |
| 94 | public PcepMsgPath read(ChannelBuffer cb) throws PcepParseException { |
| 95 | PcepEroObject eroObj; |
| 96 | PcepAttribute attrList; |
| 97 | |
| 98 | eroObj = PcepEroObjectVer1.read(cb); |
| 99 | attrList = PcepAttributeVer1.read(cb); |
| 100 | |
| 101 | return new PcepMsgPathVer1(eroObj, attrList); |
| 102 | } |
| 103 | |
| 104 | @Override |
| 105 | public int write(ChannelBuffer cb) throws PcepParseException { |
| 106 | int iLenStartIndex = cb.writerIndex(); |
| 107 | |
| 108 | //write Object header |
| 109 | if (this.isEroObjectSet) { |
| 110 | this.eroObj.write(cb); |
| 111 | } |
| 112 | if (this.isAttributeListSet) { |
| 113 | attrList.write(cb); |
| 114 | } |
| 115 | |
| 116 | return cb.writerIndex() - iLenStartIndex; |
| 117 | } |
| 118 | |
| 119 | /** |
| 120 | * Builder class for PCEP Message path. |
| 121 | */ |
| 122 | public static class Builder implements PcepMsgPath.Builder { |
| 123 | |
Jonathan Hart | 51539b8 | 2015-10-29 09:53:04 -0700 | [diff] [blame] | 124 | private boolean bIsEroObjectSet = false; |
Sho SHIMIZU | e81e4db | 2015-09-03 09:44:38 -0700 | [diff] [blame] | 125 | private boolean bIsPcepAttributeSet = false; |
| 126 | |
| 127 | //PCEP ERO Object |
| 128 | private PcepEroObject eroObject; |
| 129 | //PCEP Attribute list |
| 130 | private PcepAttribute pcepAttribute; |
| 131 | |
| 132 | @Override |
| 133 | public PcepMsgPath build() throws PcepParseException { |
| 134 | |
| 135 | //PCEP ERO Object |
| 136 | PcepEroObject eroObject = null; |
| 137 | //PCEP Attribute list |
| 138 | PcepAttribute pcepAttribute = null; |
| 139 | |
Jonathan Hart | 51539b8 | 2015-10-29 09:53:04 -0700 | [diff] [blame] | 140 | if (!this.bIsEroObjectSet) { |
Sho SHIMIZU | e81e4db | 2015-09-03 09:44:38 -0700 | [diff] [blame] | 141 | throw new PcepParseException("ERO Object NOT Set while building PcepMsgPath."); |
| 142 | } else { |
| 143 | eroObject = this.eroObject; |
| 144 | } |
| 145 | if (!this.bIsPcepAttributeSet) { |
| 146 | throw new PcepParseException("Pcep Attributes NOT Set while building PcepMsgPath."); |
| 147 | } else { |
| 148 | pcepAttribute = this.pcepAttribute; |
| 149 | } |
| 150 | |
| 151 | return new PcepMsgPathVer1(eroObject, pcepAttribute); |
| 152 | } |
| 153 | |
| 154 | @Override |
| 155 | public PcepEroObject getEroObject() { |
| 156 | return this.eroObject; |
| 157 | } |
| 158 | |
| 159 | @Override |
| 160 | public PcepAttribute getPcepAttribute() { |
| 161 | return this.pcepAttribute; |
| 162 | } |
| 163 | |
| 164 | @Override |
| 165 | public Builder setEroObject(PcepEroObject eroObject) { |
| 166 | this.eroObject = eroObject; |
Jonathan Hart | 51539b8 | 2015-10-29 09:53:04 -0700 | [diff] [blame] | 167 | this.bIsEroObjectSet = true; |
Sho SHIMIZU | e81e4db | 2015-09-03 09:44:38 -0700 | [diff] [blame] | 168 | return this; |
| 169 | } |
| 170 | |
| 171 | @Override |
| 172 | public Builder setPcepAttribute(PcepAttribute pcepAttribute) { |
| 173 | this.pcepAttribute = pcepAttribute; |
| 174 | this.bIsPcepAttributeSet = true; |
| 175 | return this; |
| 176 | } |
| 177 | |
| 178 | } |
| 179 | |
| 180 | @Override |
| 181 | public String toString() { |
Sho SHIMIZU | 7cdbcf7 | 2015-09-03 14:43:05 -0700 | [diff] [blame] | 182 | return MoreObjects.toStringHelper(getClass()) |
| 183 | .add("EroObject", eroObj) |
| 184 | .add("AttributeList", attrList) |
Sho SHIMIZU | e81e4db | 2015-09-03 09:44:38 -0700 | [diff] [blame] | 185 | .toString(); |
| 186 | } |
Sho SHIMIZU | 7cdbcf7 | 2015-09-03 14:43:05 -0700 | [diff] [blame] | 187 | } |