Priyanka B | e25cefe8 | 2015-11-28 14:47:23 +0530 | [diff] [blame] | 1 | /* |
Brian O'Connor | 5ab426f | 2016-04-09 01:19:45 -0700 | [diff] [blame] | 2 | * Copyright 2015-present Open Networking Laboratory |
Priyanka B | e25cefe8 | 2015-11-28 14:47:23 +0530 | [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 | */ |
| 16 | package org.onosproject.controller.impl; |
| 17 | |
Priyanka B | e25cefe8 | 2015-11-28 14:47:23 +0530 | [diff] [blame] | 18 | import org.jboss.netty.buffer.ChannelBuffer; |
| 19 | import org.jboss.netty.buffer.ChannelBuffers; |
| 20 | import org.junit.Test; |
| 21 | import org.onlab.packet.IpAddress; |
| 22 | import org.onlab.packet.IpAddress.Version; |
Jonathan Hart | 51539b8 | 2015-10-29 09:53:04 -0700 | [diff] [blame] | 23 | import org.onosproject.bgp.controller.impl.BgpSelectionAlgo; |
Priyanka B | e25cefe8 | 2015-11-28 14:47:23 +0530 | [diff] [blame] | 24 | import org.onosproject.bgpio.exceptions.BgpParseException; |
| 25 | import org.onosproject.bgpio.protocol.linkstate.BgpNodeLSNlriVer4.ProtocolType; |
| 26 | import org.onosproject.bgpio.protocol.linkstate.PathAttrNlriDetails; |
| 27 | import org.onosproject.bgpio.protocol.linkstate.PathAttrNlriDetailsLocalRib; |
| 28 | import org.onosproject.bgpio.types.AsPath; |
| 29 | import org.onosproject.bgpio.types.BgpValueType; |
| 30 | import org.onosproject.bgpio.types.LocalPref; |
| 31 | import org.onosproject.bgpio.types.Med; |
| 32 | import org.onosproject.bgpio.types.Origin; |
Jonathan Hart | 51539b8 | 2015-10-29 09:53:04 -0700 | [diff] [blame] | 33 | |
| 34 | import java.util.LinkedList; |
| 35 | |
| 36 | import static org.hamcrest.MatcherAssert.assertThat; |
| 37 | import static org.hamcrest.core.Is.is; |
Priyanka B | e25cefe8 | 2015-11-28 14:47:23 +0530 | [diff] [blame] | 38 | |
| 39 | /** |
| 40 | * Test cases for BGP Selection Algorithm. |
| 41 | */ |
| 42 | public class BgpSelectionAlgoTest { |
| 43 | |
| 44 | /** |
| 45 | * firstPathAttribute and secondPathAttribute has same AS count and firstPathAttribute |
| 46 | * has shortest Origin value than secondPathAttribute. |
| 47 | */ |
| 48 | @Test |
| 49 | public void selectionAlgoTest1() throws BgpParseException { |
| 50 | byte[] peerIp = new byte[] {0x0a, 0x0a, 0x0a, 0x0a }; |
| 51 | LinkedList<BgpValueType> pathAttributes1 = new LinkedList<>(); |
| 52 | BgpValueType pathAttribute1; |
| 53 | //origin with IGP |
| 54 | byte[] origin = new byte[] {0x40, 0x01, 0x01, 0x00 }; |
| 55 | ChannelBuffer buffer = ChannelBuffers.dynamicBuffer(); |
| 56 | buffer.writeBytes(origin); |
| 57 | pathAttribute1 = Origin.read(buffer); |
| 58 | pathAttributes1.add(pathAttribute1); |
| 59 | //AsPath with AS_SEQ with one AS |
| 60 | byte[] asPath = new byte[] {0x40, 0x02, 0x04, 0x02, 0x01, (byte) 0xfd, |
| 61 | (byte) 0xea }; |
| 62 | buffer.writeBytes(asPath); |
| 63 | pathAttribute1 = AsPath.read(buffer); |
| 64 | pathAttributes1.add(pathAttribute1); |
| 65 | |
| 66 | IpAddress ipAddress = IpAddress.valueOf(Version.INET, peerIp); |
| 67 | int bgpId = 168427777; |
Jonathan Hart | 51539b8 | 2015-10-29 09:53:04 -0700 | [diff] [blame] | 68 | short locRibAsNum = 100; |
Priyanka B | e25cefe8 | 2015-11-28 14:47:23 +0530 | [diff] [blame] | 69 | boolean isIbgp = false; |
| 70 | PathAttrNlriDetails attrList1 = new PathAttrNlriDetails(); |
| 71 | attrList1.setIdentifier(0); |
| 72 | attrList1.setPathAttribute(pathAttributes1); |
| 73 | attrList1.setProtocolID(ProtocolType.ISIS_LEVEL_ONE); |
| 74 | PathAttrNlriDetailsLocalRib list1 = new PathAttrNlriDetailsLocalRib( |
Jonathan Hart | 51539b8 | 2015-10-29 09:53:04 -0700 | [diff] [blame] | 75 | ipAddress, bgpId, locRibAsNum, isIbgp, attrList1); |
Priyanka B | e25cefe8 | 2015-11-28 14:47:23 +0530 | [diff] [blame] | 76 | |
| 77 | peerIp = new byte[] {0x0b, 0x0b, 0x0b, 0x0b }; |
| 78 | LinkedList<BgpValueType> pathAttributes2 = new LinkedList<>(); |
| 79 | BgpValueType pathAttribute2; |
| 80 | //origin with INCOMPLETE |
| 81 | origin = new byte[] {0x40, 0x01, 0x01, 0x02 }; |
| 82 | buffer = ChannelBuffers.dynamicBuffer(); |
| 83 | buffer.writeBytes(origin); |
| 84 | pathAttribute2 = Origin.read(buffer); |
| 85 | pathAttributes2.add(pathAttribute2); |
| 86 | //AsPath with AS_SEQ with one AS |
| 87 | asPath = new byte[] {0x40, 0x02, 0x04, 0x02, 0x01, (byte) 0xfd, |
| 88 | (byte) 0xe9 }; |
| 89 | buffer.writeBytes(asPath); |
| 90 | pathAttribute2 = AsPath.read(buffer); |
| 91 | pathAttributes2.add(pathAttribute2); |
| 92 | |
| 93 | ipAddress = IpAddress.valueOf(Version.INET, peerIp); |
| 94 | bgpId = 536936448; |
Jonathan Hart | 51539b8 | 2015-10-29 09:53:04 -0700 | [diff] [blame] | 95 | locRibAsNum = 200; |
Priyanka B | e25cefe8 | 2015-11-28 14:47:23 +0530 | [diff] [blame] | 96 | isIbgp = true; |
| 97 | PathAttrNlriDetails attrList2 = new PathAttrNlriDetails(); |
| 98 | attrList2.setIdentifier(0); |
| 99 | attrList2.setPathAttribute(pathAttributes2); |
| 100 | attrList2.setProtocolID(ProtocolType.OSPF_V2); |
| 101 | PathAttrNlriDetailsLocalRib list2 = new PathAttrNlriDetailsLocalRib( |
Jonathan Hart | 51539b8 | 2015-10-29 09:53:04 -0700 | [diff] [blame] | 102 | ipAddress, bgpId, locRibAsNum, isIbgp, attrList2); |
Priyanka B | e25cefe8 | 2015-11-28 14:47:23 +0530 | [diff] [blame] | 103 | BgpSelectionAlgo algo = new BgpSelectionAlgo(); |
| 104 | int result = algo.compare(list1, list2); |
| 105 | assertThat(result, is(1)); |
| 106 | } |
| 107 | |
| 108 | /** |
| 109 | * firstPathAttribute has 1 AS count and secondPathAttribute has 2 AS count |
| 110 | * and firstPathAttribute has shortest Origin value than secondPathAttribute. |
| 111 | */ |
| 112 | @Test |
| 113 | public void selectionAlgoTest2() throws BgpParseException { |
| 114 | |
| 115 | byte[] peerIp = new byte[] {0x0a, 0x0a, 0x0a, 0x0a }; |
| 116 | LinkedList<BgpValueType> pathAttributes1 = new LinkedList<>(); |
| 117 | BgpValueType pathAttribute1; |
| 118 | byte[] origin = new byte[] {0x40, 0x01, 0x01, 0x00 }; |
| 119 | ChannelBuffer buffer = ChannelBuffers.dynamicBuffer(); |
| 120 | buffer.writeBytes(origin); |
| 121 | pathAttribute1 = Origin.read(buffer); |
| 122 | pathAttributes1.add(pathAttribute1); |
| 123 | byte[] asPath = new byte[] {0x40, 0x02, 0x04, 0x02, 0x01, (byte) 0xfd, |
| 124 | (byte) 0xe9 }; |
| 125 | buffer.writeBytes(asPath); |
| 126 | pathAttribute1 = AsPath.read(buffer); |
| 127 | pathAttributes1.add(pathAttribute1); |
| 128 | |
| 129 | IpAddress ipAddress = IpAddress.valueOf(Version.INET, peerIp); |
| 130 | int bgpId = 168427777; |
Jonathan Hart | 51539b8 | 2015-10-29 09:53:04 -0700 | [diff] [blame] | 131 | short locRibAsNum = 100; |
Priyanka B | e25cefe8 | 2015-11-28 14:47:23 +0530 | [diff] [blame] | 132 | boolean isIbgp = false; |
| 133 | PathAttrNlriDetails attrList1 = new PathAttrNlriDetails(); |
| 134 | attrList1.setIdentifier(0); |
| 135 | attrList1.setPathAttribute(pathAttributes1); |
| 136 | attrList1.setProtocolID(ProtocolType.ISIS_LEVEL_ONE); |
| 137 | PathAttrNlriDetailsLocalRib list1 = new PathAttrNlriDetailsLocalRib( |
Jonathan Hart | 51539b8 | 2015-10-29 09:53:04 -0700 | [diff] [blame] | 138 | ipAddress, bgpId, locRibAsNum, isIbgp, attrList1); |
Priyanka B | e25cefe8 | 2015-11-28 14:47:23 +0530 | [diff] [blame] | 139 | |
| 140 | peerIp = new byte[] {0x0b, 0x0b, 0x0b, 0x0b }; |
| 141 | LinkedList<BgpValueType> pathAttributes2 = new LinkedList<>(); |
| 142 | BgpValueType pathAttribute2; |
| 143 | origin = new byte[] {0x40, 0x01, 0x01, 0x02 }; |
| 144 | buffer = ChannelBuffers.dynamicBuffer(); |
| 145 | buffer.writeBytes(origin); |
| 146 | pathAttribute2 = Origin.read(buffer); |
| 147 | pathAttributes2.add(pathAttribute2); |
| 148 | asPath = new byte[] {0x40, 0x02, 0x08, 0x02, 0x01, (byte) 0xfd, |
| 149 | (byte) 0xea, 0x02, 0x01, (byte) 0xfd, (byte) 0xea }; |
| 150 | buffer.writeBytes(asPath); |
| 151 | pathAttribute2 = AsPath.read(buffer); |
| 152 | pathAttributes2.add(pathAttribute2); |
| 153 | |
| 154 | ipAddress = IpAddress.valueOf(Version.INET, peerIp); |
| 155 | bgpId = 536936448; |
Jonathan Hart | 51539b8 | 2015-10-29 09:53:04 -0700 | [diff] [blame] | 156 | locRibAsNum = 200; |
Priyanka B | e25cefe8 | 2015-11-28 14:47:23 +0530 | [diff] [blame] | 157 | isIbgp = true; |
| 158 | PathAttrNlriDetails attrList2 = new PathAttrNlriDetails(); |
| 159 | attrList2.setIdentifier(0); |
| 160 | attrList2.setPathAttribute(pathAttributes2); |
| 161 | attrList2.setProtocolID(ProtocolType.OSPF_V2); |
| 162 | PathAttrNlriDetailsLocalRib list2 = new PathAttrNlriDetailsLocalRib( |
Jonathan Hart | 51539b8 | 2015-10-29 09:53:04 -0700 | [diff] [blame] | 163 | ipAddress, bgpId, locRibAsNum, isIbgp, attrList2); |
Priyanka B | e25cefe8 | 2015-11-28 14:47:23 +0530 | [diff] [blame] | 164 | BgpSelectionAlgo algo = new BgpSelectionAlgo(); |
| 165 | int result = algo.compare(list1, list2); |
| 166 | assertThat(result, is(-1)); |
| 167 | } |
| 168 | |
| 169 | /** |
| 170 | * firstPathAttribute and secondPathAttribute has same AS value |
| 171 | * and firstPathAttribute has shortest Origin value than secondPathAttribute. |
| 172 | */ |
| 173 | @Test |
| 174 | public void selectionAlgoTest3() throws BgpParseException { |
| 175 | |
| 176 | byte[] peerIp = new byte[] {0x0a, 0x0a, 0x0a, 0x0a }; |
| 177 | LinkedList<BgpValueType> pathAttributes1 = new LinkedList<>(); |
| 178 | BgpValueType pathAttribute1; |
| 179 | byte[] origin = new byte[] {0x40, 0x01, 0x01, 0x00 }; |
| 180 | ChannelBuffer buffer = ChannelBuffers.dynamicBuffer(); |
| 181 | buffer.writeBytes(origin); |
| 182 | pathAttribute1 = Origin.read(buffer); |
| 183 | pathAttributes1.add(pathAttribute1); |
| 184 | byte[] asPath = new byte[] {0x40, 0x02, 0x04, 0x02, 0x01, (byte) 0xfd, |
| 185 | (byte) 0xe9 }; |
| 186 | buffer.writeBytes(asPath); |
| 187 | pathAttribute1 = AsPath.read(buffer); |
| 188 | pathAttributes1.add(pathAttribute1); |
| 189 | |
| 190 | IpAddress ipAddress = IpAddress.valueOf(Version.INET, peerIp); |
| 191 | int bgpId = 168427777; |
Jonathan Hart | 51539b8 | 2015-10-29 09:53:04 -0700 | [diff] [blame] | 192 | short locRibAsNum = 100; |
Priyanka B | e25cefe8 | 2015-11-28 14:47:23 +0530 | [diff] [blame] | 193 | boolean isIbgp = false; |
| 194 | PathAttrNlriDetails attrList1 = new PathAttrNlriDetails(); |
| 195 | attrList1.setIdentifier(0); |
| 196 | attrList1.setPathAttribute(pathAttributes1); |
| 197 | attrList1.setProtocolID(ProtocolType.ISIS_LEVEL_ONE); |
| 198 | PathAttrNlriDetailsLocalRib list1 = new PathAttrNlriDetailsLocalRib( |
Jonathan Hart | 51539b8 | 2015-10-29 09:53:04 -0700 | [diff] [blame] | 199 | ipAddress, bgpId, locRibAsNum, isIbgp, attrList1); |
Priyanka B | e25cefe8 | 2015-11-28 14:47:23 +0530 | [diff] [blame] | 200 | |
| 201 | peerIp = new byte[] {0x0b, 0x0b, 0x0b, 0x0b }; |
| 202 | LinkedList<BgpValueType> pathAttributes2 = new LinkedList<>(); |
| 203 | BgpValueType pathAttribute2; |
| 204 | origin = new byte[] {0x40, 0x01, 0x01, 0x02 }; |
| 205 | buffer = ChannelBuffers.dynamicBuffer(); |
| 206 | buffer.writeBytes(origin); |
| 207 | pathAttribute2 = Origin.read(buffer); |
| 208 | pathAttributes2.add(pathAttribute2); |
| 209 | asPath = new byte[] {0x40, 0x02, 0x04, 0x02, 0x01, (byte) 0xfd, |
| 210 | (byte) 0xe9 }; |
| 211 | buffer.writeBytes(asPath); |
| 212 | pathAttribute2 = AsPath.read(buffer); |
| 213 | pathAttributes2.add(pathAttribute2); |
| 214 | |
| 215 | ipAddress = IpAddress.valueOf(Version.INET, peerIp); |
| 216 | bgpId = 536936448; |
Jonathan Hart | 51539b8 | 2015-10-29 09:53:04 -0700 | [diff] [blame] | 217 | locRibAsNum = 200; |
Priyanka B | e25cefe8 | 2015-11-28 14:47:23 +0530 | [diff] [blame] | 218 | isIbgp = true; |
| 219 | PathAttrNlriDetails attrList2 = new PathAttrNlriDetails(); |
| 220 | attrList2.setIdentifier(0); |
| 221 | attrList2.setPathAttribute(pathAttributes2); |
| 222 | attrList2.setProtocolID(ProtocolType.OSPF_V2); |
| 223 | PathAttrNlriDetailsLocalRib list2 = new PathAttrNlriDetailsLocalRib( |
Jonathan Hart | 51539b8 | 2015-10-29 09:53:04 -0700 | [diff] [blame] | 224 | ipAddress, bgpId, locRibAsNum, isIbgp, attrList2); |
Priyanka B | e25cefe8 | 2015-11-28 14:47:23 +0530 | [diff] [blame] | 225 | BgpSelectionAlgo algo = new BgpSelectionAlgo(); |
| 226 | int result = algo.compare(list1, list2); |
| 227 | assertThat(result, is(1)); |
| 228 | } |
| 229 | |
| 230 | /** |
| 231 | * firstPathAttribute has lowest med than secondPathAttribute. |
| 232 | */ |
| 233 | @Test |
| 234 | public void selectionAlgoTest4() throws BgpParseException { |
| 235 | |
| 236 | byte[] peerIp = new byte[] {0x0a, 0x0a, 0x0a, 0x0a }; |
| 237 | LinkedList<BgpValueType> pathAttributes1 = new LinkedList<>(); |
| 238 | BgpValueType pathAttribute1; |
| 239 | byte[] origin = new byte[] {0x40, 0x01, 0x01, 0x00 }; |
| 240 | ChannelBuffer buffer = ChannelBuffers.dynamicBuffer(); |
| 241 | buffer.writeBytes(origin); |
| 242 | pathAttribute1 = Origin.read(buffer); |
| 243 | pathAttributes1.add(pathAttribute1); |
| 244 | byte[] med = new byte[] {(byte) 0x80, 0x04, 0x04, 0x00, 0x00, 0x00, |
| 245 | 0x00 }; |
| 246 | buffer.writeBytes(med); |
| 247 | pathAttribute1 = Med.read(buffer); |
| 248 | pathAttributes1.add(pathAttribute1); |
| 249 | byte[] asPath = new byte[] {0x40, 0x02, 0x04, 0x02, 0x01, (byte) 0xfd, |
| 250 | (byte) 0xe9 }; |
| 251 | buffer.writeBytes(asPath); |
| 252 | pathAttribute1 = AsPath.read(buffer); |
| 253 | pathAttributes1.add(pathAttribute1); |
| 254 | |
| 255 | IpAddress ipAddress = IpAddress.valueOf(Version.INET, peerIp); |
| 256 | int bgpId = 168427777; |
Jonathan Hart | 51539b8 | 2015-10-29 09:53:04 -0700 | [diff] [blame] | 257 | short locRibAsNum = 100; |
Priyanka B | e25cefe8 | 2015-11-28 14:47:23 +0530 | [diff] [blame] | 258 | boolean isIbgp = false; |
| 259 | PathAttrNlriDetails attrList1 = new PathAttrNlriDetails(); |
| 260 | attrList1.setIdentifier(0); |
| 261 | attrList1.setPathAttribute(pathAttributes1); |
| 262 | attrList1.setProtocolID(ProtocolType.ISIS_LEVEL_ONE); |
| 263 | PathAttrNlriDetailsLocalRib list1 = new PathAttrNlriDetailsLocalRib( |
Jonathan Hart | 51539b8 | 2015-10-29 09:53:04 -0700 | [diff] [blame] | 264 | ipAddress, bgpId, locRibAsNum, isIbgp, attrList1); |
Priyanka B | e25cefe8 | 2015-11-28 14:47:23 +0530 | [diff] [blame] | 265 | |
| 266 | peerIp = new byte[] {0x0b, 0x0b, 0x0b, 0x0b }; |
| 267 | LinkedList<BgpValueType> pathAttributes2 = new LinkedList<>(); |
| 268 | BgpValueType pathAttribute2; |
| 269 | origin = new byte[] {0x40, 0x01, 0x01, 0x02 }; |
| 270 | buffer = ChannelBuffers.dynamicBuffer(); |
| 271 | buffer.writeBytes(origin); |
| 272 | pathAttribute2 = Origin.read(buffer); |
| 273 | pathAttributes2.add(pathAttribute2); |
| 274 | med = new byte[] {(byte) 0x80, 0x04, 0x04, 0x00, 0x00, 0x00, 0x01 }; |
| 275 | buffer.writeBytes(med); |
| 276 | pathAttribute2 = Med.read(buffer); |
| 277 | pathAttributes2.add(pathAttribute2); |
| 278 | asPath = new byte[] {0x40, 0x02, 0x04, 0x02, 0x01, (byte) 0xfd, |
| 279 | (byte) 0xe9 }; |
| 280 | buffer.writeBytes(asPath); |
| 281 | pathAttribute2 = AsPath.read(buffer); |
| 282 | pathAttributes2.add(pathAttribute2); |
| 283 | |
| 284 | ipAddress = IpAddress.valueOf(Version.INET, peerIp); |
| 285 | bgpId = 536936448; |
Jonathan Hart | 51539b8 | 2015-10-29 09:53:04 -0700 | [diff] [blame] | 286 | locRibAsNum = 200; |
Priyanka B | e25cefe8 | 2015-11-28 14:47:23 +0530 | [diff] [blame] | 287 | isIbgp = true; |
| 288 | PathAttrNlriDetails attrList2 = new PathAttrNlriDetails(); |
| 289 | attrList2.setIdentifier(0); |
| 290 | attrList2.setPathAttribute(pathAttributes2); |
| 291 | attrList2.setProtocolID(ProtocolType.OSPF_V2); |
| 292 | PathAttrNlriDetailsLocalRib list2 = new PathAttrNlriDetailsLocalRib( |
Jonathan Hart | 51539b8 | 2015-10-29 09:53:04 -0700 | [diff] [blame] | 293 | ipAddress, bgpId, locRibAsNum, isIbgp, attrList2); |
Priyanka B | e25cefe8 | 2015-11-28 14:47:23 +0530 | [diff] [blame] | 294 | BgpSelectionAlgo algo = new BgpSelectionAlgo(); |
| 295 | int result = algo.compare(list1, list2); |
| 296 | assertThat(result, is(1)); |
| 297 | } |
| 298 | |
| 299 | /** |
| 300 | * secondPathAttribute has higher local preference than firstPathAttribute. |
| 301 | */ |
| 302 | @Test |
| 303 | public void selectionAlgoTest5() throws BgpParseException { |
| 304 | |
| 305 | byte[] peerIp = new byte[] {0x0a, 0x0a, 0x0a, 0x0a }; |
| 306 | LinkedList<BgpValueType> pathAttributes1 = new LinkedList<>(); |
| 307 | BgpValueType pathAttribute1; |
| 308 | byte[] locPref = new byte[] {(byte) 0x00, 0x05, 0x04, 0x00, 0x00, |
| 309 | 0x00, 0x01 }; |
| 310 | ChannelBuffer buffer = ChannelBuffers.dynamicBuffer(); |
| 311 | buffer.writeBytes(locPref); |
| 312 | pathAttribute1 = LocalPref.read(buffer); |
| 313 | pathAttributes1.add(pathAttribute1); |
| 314 | |
| 315 | IpAddress ipAddress = IpAddress.valueOf(Version.INET, peerIp); |
| 316 | int bgpId = 168427777; |
Jonathan Hart | 51539b8 | 2015-10-29 09:53:04 -0700 | [diff] [blame] | 317 | short locRibAsNum = 100; |
Priyanka B | e25cefe8 | 2015-11-28 14:47:23 +0530 | [diff] [blame] | 318 | boolean isIbgp = false; |
| 319 | PathAttrNlriDetails attrList1 = new PathAttrNlriDetails(); |
| 320 | attrList1.setIdentifier(0); |
| 321 | attrList1.setPathAttribute(pathAttributes1); |
| 322 | attrList1.setProtocolID(ProtocolType.ISIS_LEVEL_ONE); |
| 323 | PathAttrNlriDetailsLocalRib list1 = new PathAttrNlriDetailsLocalRib( |
Jonathan Hart | 51539b8 | 2015-10-29 09:53:04 -0700 | [diff] [blame] | 324 | ipAddress, bgpId, locRibAsNum, isIbgp, attrList1); |
Priyanka B | e25cefe8 | 2015-11-28 14:47:23 +0530 | [diff] [blame] | 325 | |
| 326 | peerIp = new byte[] {0x0b, 0x0b, 0x0b, 0x0b }; |
| 327 | LinkedList<BgpValueType> pathAttributes2 = new LinkedList<>(); |
| 328 | BgpValueType pathAttribute2; |
| 329 | locPref = new byte[] {(byte) 0x00, 0x05, 0x04, 0x00, 0x00, 0x00, 0x0a }; |
| 330 | buffer = ChannelBuffers.dynamicBuffer(); |
| 331 | buffer.writeBytes(locPref); |
| 332 | pathAttribute2 = LocalPref.read(buffer); |
| 333 | pathAttributes2.add(pathAttribute2); |
| 334 | |
| 335 | ipAddress = IpAddress.valueOf(Version.INET, peerIp); |
| 336 | bgpId = 536936448; |
Jonathan Hart | 51539b8 | 2015-10-29 09:53:04 -0700 | [diff] [blame] | 337 | locRibAsNum = 200; |
Priyanka B | e25cefe8 | 2015-11-28 14:47:23 +0530 | [diff] [blame] | 338 | isIbgp = true; |
| 339 | PathAttrNlriDetails attrList2 = new PathAttrNlriDetails(); |
| 340 | attrList2.setIdentifier(0); |
| 341 | attrList2.setPathAttribute(pathAttributes2); |
| 342 | attrList2.setProtocolID(ProtocolType.OSPF_V2); |
| 343 | PathAttrNlriDetailsLocalRib list2 = new PathAttrNlriDetailsLocalRib( |
Jonathan Hart | 51539b8 | 2015-10-29 09:53:04 -0700 | [diff] [blame] | 344 | ipAddress, bgpId, locRibAsNum, isIbgp, attrList2); |
Priyanka B | e25cefe8 | 2015-11-28 14:47:23 +0530 | [diff] [blame] | 345 | BgpSelectionAlgo algo = new BgpSelectionAlgo(); |
| 346 | int result = algo.compare(list1, list2); |
| 347 | assertThat(result, is(-1)); |
| 348 | } |
| 349 | |
| 350 | /** |
| 351 | * secondPathAttribute is EBGP than firstPathAttribute is IBGP. |
| 352 | */ |
| 353 | @Test |
| 354 | public void selectionAlgoTest6() throws BgpParseException { |
| 355 | |
| 356 | byte[] peerIp = new byte[] {0x0a, 0x0a, 0x0a, 0x0a }; |
| 357 | LinkedList<BgpValueType> pathAttributes1 = new LinkedList<>(); |
| 358 | BgpValueType pathAttribute1; |
| 359 | byte[] origin = new byte[] {0x40, 0x01, 0x01, 0x00 }; |
| 360 | ChannelBuffer buffer = ChannelBuffers.dynamicBuffer(); |
| 361 | buffer.writeBytes(origin); |
| 362 | pathAttribute1 = Origin.read(buffer); |
| 363 | pathAttributes1.add(pathAttribute1); |
| 364 | byte[] asPath = new byte[] {0x40, 0x02, 0x04, 0x02, 0x01, (byte) 0xfd, |
| 365 | (byte) 0xe9 }; |
| 366 | buffer.writeBytes(asPath); |
| 367 | pathAttribute1 = AsPath.read(buffer); |
| 368 | pathAttributes1.add(pathAttribute1); |
| 369 | |
| 370 | IpAddress ipAddress = IpAddress.valueOf(Version.INET, peerIp); |
| 371 | int bgpId = 168427777; |
Jonathan Hart | 51539b8 | 2015-10-29 09:53:04 -0700 | [diff] [blame] | 372 | short locRibAsNum = 100; |
Priyanka B | e25cefe8 | 2015-11-28 14:47:23 +0530 | [diff] [blame] | 373 | boolean isIbgp = true; |
| 374 | PathAttrNlriDetails attrList1 = new PathAttrNlriDetails(); |
| 375 | attrList1.setIdentifier(0); |
| 376 | attrList1.setPathAttribute(pathAttributes1); |
| 377 | attrList1.setProtocolID(ProtocolType.ISIS_LEVEL_ONE); |
| 378 | PathAttrNlriDetailsLocalRib list1 = new PathAttrNlriDetailsLocalRib( |
Jonathan Hart | 51539b8 | 2015-10-29 09:53:04 -0700 | [diff] [blame] | 379 | ipAddress, bgpId, locRibAsNum, isIbgp, attrList1); |
Priyanka B | e25cefe8 | 2015-11-28 14:47:23 +0530 | [diff] [blame] | 380 | |
| 381 | peerIp = new byte[] {0x0b, 0x0b, 0x0b, 0x0b }; |
| 382 | LinkedList<BgpValueType> pathAttributes2 = new LinkedList<>(); |
| 383 | BgpValueType pathAttribute2; |
| 384 | origin = new byte[] {0x40, 0x01, 0x01, 0x00 }; |
| 385 | buffer = ChannelBuffers.dynamicBuffer(); |
| 386 | buffer.writeBytes(origin); |
| 387 | pathAttribute2 = Origin.read(buffer); |
| 388 | pathAttributes2.add(pathAttribute2); |
| 389 | asPath = new byte[] {0x40, 0x02, 0x04, 0x02, 0x01, (byte) 0xfd, |
| 390 | (byte) 0xe9 }; |
| 391 | buffer.writeBytes(asPath); |
| 392 | pathAttribute2 = AsPath.read(buffer); |
| 393 | pathAttributes2.add(pathAttribute2); |
| 394 | |
| 395 | ipAddress = IpAddress.valueOf(Version.INET, peerIp); |
| 396 | bgpId = 536936448; |
Jonathan Hart | 51539b8 | 2015-10-29 09:53:04 -0700 | [diff] [blame] | 397 | locRibAsNum = 200; |
Priyanka B | e25cefe8 | 2015-11-28 14:47:23 +0530 | [diff] [blame] | 398 | isIbgp = false; |
| 399 | PathAttrNlriDetails attrList2 = new PathAttrNlriDetails(); |
| 400 | attrList2.setIdentifier(0); |
| 401 | attrList2.setPathAttribute(pathAttributes2); |
| 402 | attrList2.setProtocolID(ProtocolType.OSPF_V2); |
| 403 | PathAttrNlriDetailsLocalRib list2 = new PathAttrNlriDetailsLocalRib( |
Jonathan Hart | 51539b8 | 2015-10-29 09:53:04 -0700 | [diff] [blame] | 404 | ipAddress, bgpId, locRibAsNum, false, attrList2); |
Priyanka B | e25cefe8 | 2015-11-28 14:47:23 +0530 | [diff] [blame] | 405 | BgpSelectionAlgo algo = new BgpSelectionAlgo(); |
| 406 | int result = algo.compare(list1, list2); |
| 407 | assertThat(result, is(-1)); |
| 408 | } |
| 409 | |
| 410 | /** |
| 411 | * firstPathAttribute has lower BGPID than secondPathAttribute. |
| 412 | */ |
| 413 | @Test |
| 414 | public void selectionAlgoTest7() throws BgpParseException { |
| 415 | |
| 416 | byte[] peerIp = new byte[] {0x0a, 0x0a, 0x0a, 0x0a }; |
| 417 | LinkedList<BgpValueType> pathAttributes1 = new LinkedList<>(); |
| 418 | BgpValueType pathAttribute1; |
| 419 | byte[] origin = new byte[] {0x40, 0x01, 0x01, 0x00 }; |
| 420 | ChannelBuffer buffer = ChannelBuffers.dynamicBuffer(); |
| 421 | buffer.writeBytes(origin); |
| 422 | pathAttribute1 = Origin.read(buffer); |
| 423 | pathAttributes1.add(pathAttribute1); |
| 424 | byte[] asPath = new byte[] {0x40, 0x02, 0x04, 0x02, 0x01, (byte) 0xfd, |
| 425 | (byte) 0xe9 }; |
| 426 | buffer.writeBytes(asPath); |
| 427 | pathAttribute1 = AsPath.read(buffer); |
| 428 | pathAttributes1.add(pathAttribute1); |
| 429 | |
| 430 | IpAddress ipAddress = IpAddress.valueOf(Version.INET, peerIp); |
| 431 | //A0A0A00 |
| 432 | Integer bgpId = 168430080; |
Jonathan Hart | 51539b8 | 2015-10-29 09:53:04 -0700 | [diff] [blame] | 433 | short locRibAsNum = 100; |
Priyanka B | e25cefe8 | 2015-11-28 14:47:23 +0530 | [diff] [blame] | 434 | boolean isIbgp = false; |
| 435 | PathAttrNlriDetails attrList1 = new PathAttrNlriDetails(); |
| 436 | attrList1.setIdentifier(0); |
| 437 | attrList1.setPathAttribute(pathAttributes1); |
| 438 | attrList1.setProtocolID(ProtocolType.ISIS_LEVEL_ONE); |
| 439 | PathAttrNlriDetailsLocalRib list1 = new PathAttrNlriDetailsLocalRib( |
Jonathan Hart | 51539b8 | 2015-10-29 09:53:04 -0700 | [diff] [blame] | 440 | ipAddress, bgpId, locRibAsNum, isIbgp, attrList1); |
Priyanka B | e25cefe8 | 2015-11-28 14:47:23 +0530 | [diff] [blame] | 441 | |
| 442 | peerIp = new byte[] {0x0b, 0x0b, 0x0b, 0x0b }; |
| 443 | LinkedList<BgpValueType> pathAttributes2 = new LinkedList<>(); |
| 444 | BgpValueType pathAttribute2; |
| 445 | origin = new byte[] {0x40, 0x01, 0x01, 0x00 }; |
| 446 | buffer = ChannelBuffers.dynamicBuffer(); |
| 447 | buffer.writeBytes(origin); |
| 448 | pathAttribute2 = Origin.read(buffer); |
| 449 | pathAttributes2.add(pathAttribute2); |
| 450 | asPath = new byte[] {0x40, 0x02, 0x04, 0x02, 0x01, (byte) 0xfd, |
| 451 | (byte) 0xe9 }; |
| 452 | buffer.writeBytes(asPath); |
| 453 | pathAttribute2 = AsPath.read(buffer); |
| 454 | pathAttributes2.add(pathAttribute2); |
| 455 | |
| 456 | ipAddress = IpAddress.valueOf(Version.INET, peerIp); |
| 457 | //B0A0A00 |
| 458 | bgpId = 185207296; |
Jonathan Hart | 51539b8 | 2015-10-29 09:53:04 -0700 | [diff] [blame] | 459 | locRibAsNum = 200; |
Priyanka B | e25cefe8 | 2015-11-28 14:47:23 +0530 | [diff] [blame] | 460 | isIbgp = false; |
| 461 | PathAttrNlriDetails attrList2 = new PathAttrNlriDetails(); |
| 462 | attrList2.setIdentifier(0); |
| 463 | attrList2.setPathAttribute(pathAttributes2); |
| 464 | attrList2.setProtocolID(ProtocolType.OSPF_V2); |
| 465 | PathAttrNlriDetailsLocalRib list2 = new PathAttrNlriDetailsLocalRib( |
Jonathan Hart | 51539b8 | 2015-10-29 09:53:04 -0700 | [diff] [blame] | 466 | ipAddress, bgpId, locRibAsNum, isIbgp, attrList2); |
Priyanka B | e25cefe8 | 2015-11-28 14:47:23 +0530 | [diff] [blame] | 467 | BgpSelectionAlgo algo = new BgpSelectionAlgo(); |
| 468 | int result = algo.compare(list1, list2); |
| 469 | assertThat(result, is(1)); |
| 470 | } |
| 471 | |
| 472 | /** |
| 473 | * secondPathAttribute has lowest peer address than firstPathAttribute. |
| 474 | */ |
| 475 | @Test |
| 476 | public void selectionAlgoTest8() throws BgpParseException { |
| 477 | |
| 478 | byte[] peerIp = new byte[] {0x0b, 0x0b, 0x0b, 0x0b }; |
| 479 | LinkedList<BgpValueType> pathAttributes1 = new LinkedList<>(); |
| 480 | BgpValueType pathAttribute1; |
| 481 | byte[] origin = new byte[] {0x40, 0x01, 0x01, 0x00 }; |
| 482 | ChannelBuffer buffer = ChannelBuffers.dynamicBuffer(); |
| 483 | buffer.writeBytes(origin); |
| 484 | pathAttribute1 = Origin.read(buffer); |
| 485 | pathAttributes1.add(pathAttribute1); |
| 486 | byte[] asPath = new byte[] {0x40, 0x02, 0x04, 0x02, 0x01, (byte) 0xfd, |
| 487 | (byte) 0xe9 }; |
| 488 | buffer.writeBytes(asPath); |
| 489 | pathAttribute1 = AsPath.read(buffer); |
| 490 | pathAttributes1.add(pathAttribute1); |
| 491 | |
| 492 | IpAddress ipAddress = IpAddress.valueOf(Version.INET, peerIp); |
| 493 | //A0A0A00 |
| 494 | Integer bgpId = 168430080; |
Jonathan Hart | 51539b8 | 2015-10-29 09:53:04 -0700 | [diff] [blame] | 495 | short locRibAsNum = 100; |
Priyanka B | e25cefe8 | 2015-11-28 14:47:23 +0530 | [diff] [blame] | 496 | boolean isIbgp = false; |
| 497 | PathAttrNlriDetails attrList1 = new PathAttrNlriDetails(); |
| 498 | attrList1.setIdentifier(0); |
| 499 | attrList1.setPathAttribute(pathAttributes1); |
| 500 | attrList1.setProtocolID(ProtocolType.ISIS_LEVEL_ONE); |
| 501 | PathAttrNlriDetailsLocalRib list1 = new PathAttrNlriDetailsLocalRib( |
Jonathan Hart | 51539b8 | 2015-10-29 09:53:04 -0700 | [diff] [blame] | 502 | ipAddress, bgpId, locRibAsNum, isIbgp, attrList1); |
Priyanka B | e25cefe8 | 2015-11-28 14:47:23 +0530 | [diff] [blame] | 503 | |
| 504 | peerIp = new byte[] {0x0a, 0x0a, 0x0a, 0x0a }; |
| 505 | LinkedList<BgpValueType> pathAttributes2 = new LinkedList<>(); |
| 506 | BgpValueType pathAttribute2; |
| 507 | origin = new byte[] {0x40, 0x01, 0x01, 0x00 }; |
| 508 | buffer = ChannelBuffers.dynamicBuffer(); |
| 509 | buffer.writeBytes(origin); |
| 510 | pathAttribute2 = Origin.read(buffer); |
| 511 | pathAttributes2.add(pathAttribute2); |
| 512 | asPath = new byte[] {0x40, 0x02, 0x04, 0x02, 0x01, (byte) 0xfd, |
| 513 | (byte) 0xe9 }; |
| 514 | buffer.writeBytes(asPath); |
| 515 | pathAttribute2 = AsPath.read(buffer); |
| 516 | pathAttributes2.add(pathAttribute2); |
| 517 | |
| 518 | ipAddress = IpAddress.valueOf(Version.INET, peerIp); |
| 519 | //A0A0A00 |
| 520 | bgpId = 168430080; |
Jonathan Hart | 51539b8 | 2015-10-29 09:53:04 -0700 | [diff] [blame] | 521 | locRibAsNum = 200; |
Priyanka B | e25cefe8 | 2015-11-28 14:47:23 +0530 | [diff] [blame] | 522 | isIbgp = false; |
| 523 | PathAttrNlriDetails attrList2 = new PathAttrNlriDetails(); |
| 524 | attrList2.setIdentifier(0); |
| 525 | attrList2.setPathAttribute(pathAttributes2); |
| 526 | attrList2.setProtocolID(ProtocolType.OSPF_V2); |
| 527 | PathAttrNlriDetailsLocalRib list2 = new PathAttrNlriDetailsLocalRib( |
Jonathan Hart | 51539b8 | 2015-10-29 09:53:04 -0700 | [diff] [blame] | 528 | ipAddress, bgpId, locRibAsNum, isIbgp, attrList2); |
Priyanka B | e25cefe8 | 2015-11-28 14:47:23 +0530 | [diff] [blame] | 529 | BgpSelectionAlgo algo = new BgpSelectionAlgo(); |
| 530 | int result = algo.compare(list1, list2); |
| 531 | assertThat(result, is(-1)); |
| 532 | } |
| 533 | |
| 534 | /** |
| 535 | * firstPathAttribute and secondPathAttribute are same. |
| 536 | */ |
| 537 | @Test |
| 538 | public void selectionAlgoTest9() throws BgpParseException { |
| 539 | |
| 540 | byte[] peerIp = new byte[] {0x0a, 0x0a, 0x0a, 0x0a }; |
| 541 | LinkedList<BgpValueType> pathAttributes1 = new LinkedList<>(); |
| 542 | BgpValueType pathAttribute1; |
| 543 | byte[] origin = new byte[] {0x40, 0x01, 0x01, 0x00 }; |
| 544 | ChannelBuffer buffer = ChannelBuffers.dynamicBuffer(); |
| 545 | buffer.writeBytes(origin); |
| 546 | pathAttribute1 = Origin.read(buffer); |
| 547 | pathAttributes1.add(pathAttribute1); |
| 548 | byte[] asPath = new byte[] {0x40, 0x02, 0x04, 0x02, 0x01, (byte) 0xfd, |
| 549 | (byte) 0xe9 }; |
| 550 | buffer.writeBytes(asPath); |
| 551 | pathAttribute1 = AsPath.read(buffer); |
| 552 | pathAttributes1.add(pathAttribute1); |
| 553 | |
| 554 | IpAddress ipAddress = IpAddress.valueOf(Version.INET, peerIp); |
| 555 | //A0A0A00 |
| 556 | Integer bgpId = 168430080; |
Jonathan Hart | 51539b8 | 2015-10-29 09:53:04 -0700 | [diff] [blame] | 557 | short locRibAsNum = 100; |
Priyanka B | e25cefe8 | 2015-11-28 14:47:23 +0530 | [diff] [blame] | 558 | boolean isIbgp = false; |
| 559 | PathAttrNlriDetails attrList1 = new PathAttrNlriDetails(); |
| 560 | attrList1.setIdentifier(0); |
| 561 | attrList1.setPathAttribute(pathAttributes1); |
| 562 | attrList1.setProtocolID(ProtocolType.ISIS_LEVEL_ONE); |
| 563 | PathAttrNlriDetailsLocalRib list1 = new PathAttrNlriDetailsLocalRib( |
Jonathan Hart | 51539b8 | 2015-10-29 09:53:04 -0700 | [diff] [blame] | 564 | ipAddress, bgpId, locRibAsNum, isIbgp, attrList1); |
Priyanka B | e25cefe8 | 2015-11-28 14:47:23 +0530 | [diff] [blame] | 565 | |
| 566 | peerIp = new byte[] {0x0a, 0x0a, 0x0a, 0x0a }; |
| 567 | LinkedList<BgpValueType> pathAttributes2 = new LinkedList<>(); |
| 568 | BgpValueType pathAttribute2; |
| 569 | origin = new byte[] {0x40, 0x01, 0x01, 0x00 }; |
| 570 | buffer = ChannelBuffers.dynamicBuffer(); |
| 571 | buffer.writeBytes(origin); |
| 572 | pathAttribute2 = Origin.read(buffer); |
| 573 | pathAttributes2.add(pathAttribute2); |
| 574 | asPath = new byte[] {0x40, 0x02, 0x04, 0x02, 0x01, (byte) 0xfd, |
| 575 | (byte) 0xe9 }; |
| 576 | buffer.writeBytes(asPath); |
| 577 | pathAttribute2 = AsPath.read(buffer); |
| 578 | pathAttributes2.add(pathAttribute2); |
| 579 | |
| 580 | ipAddress = IpAddress.valueOf(Version.INET, peerIp); |
| 581 | //A0A0A00 |
| 582 | bgpId = 168430080; |
Jonathan Hart | 51539b8 | 2015-10-29 09:53:04 -0700 | [diff] [blame] | 583 | locRibAsNum = 200; |
Priyanka B | e25cefe8 | 2015-11-28 14:47:23 +0530 | [diff] [blame] | 584 | isIbgp = false; |
| 585 | PathAttrNlriDetails attrList2 = new PathAttrNlriDetails(); |
| 586 | attrList2.setIdentifier(0); |
| 587 | attrList2.setPathAttribute(pathAttributes2); |
| 588 | attrList2.setProtocolID(ProtocolType.OSPF_V2); |
| 589 | PathAttrNlriDetailsLocalRib list2 = new PathAttrNlriDetailsLocalRib( |
Jonathan Hart | 51539b8 | 2015-10-29 09:53:04 -0700 | [diff] [blame] | 590 | ipAddress, bgpId, locRibAsNum, isIbgp, attrList2); |
Priyanka B | e25cefe8 | 2015-11-28 14:47:23 +0530 | [diff] [blame] | 591 | BgpSelectionAlgo algo = new BgpSelectionAlgo(); |
| 592 | int result = algo.compare(list1, list2); |
| 593 | assertThat(result, is(0)); |
| 594 | } |
| 595 | } |