Pier Ventre | f8543d8 | 2016-09-28 19:49:33 -0700 | [diff] [blame] | 1 | /* |
Brian O'Connor | a09fe5b | 2017-08-03 21:12:30 -0700 | [diff] [blame] | 2 | * Copyright 2016-present Open Networking Foundation |
Pier Ventre | f8543d8 | 2016-09-28 19:49:33 -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 | */ |
| 16 | |
| 17 | package org.onosproject.net.resource.impl; |
| 18 | |
| 19 | import com.google.common.collect.ImmutableSet; |
| 20 | import org.junit.After; |
| 21 | import org.junit.Before; |
| 22 | import org.junit.Test; |
| 23 | import org.onlab.packet.MplsLabel; |
| 24 | import org.onlab.packet.VlanId; |
| 25 | import org.onlab.util.Identifier; |
| 26 | import org.onosproject.core.IdGenerator; |
| 27 | import org.onosproject.net.ConnectPoint; |
| 28 | import org.onosproject.net.DefaultLink; |
| 29 | import org.onosproject.net.EncapsulationType; |
| 30 | import org.onosproject.net.Link; |
| 31 | import org.onosproject.net.LinkKey; |
| 32 | import org.onosproject.net.intent.IntentId; |
| 33 | import org.onosproject.net.intent.MockIdGenerator; |
| 34 | import org.onosproject.net.resource.MockResourceService; |
| 35 | import org.onosproject.net.resource.impl.LabelAllocator.FirstFitSelection; |
| 36 | import org.onosproject.net.resource.impl.LabelAllocator.LabelSelection; |
| 37 | import org.onosproject.net.resource.impl.LabelAllocator.RandomSelection; |
| 38 | |
Pier Luigi | 0b4222e | 2017-07-21 09:47:14 +0200 | [diff] [blame^] | 39 | |
Pier Ventre | f8543d8 | 2016-09-28 19:49:33 -0700 | [diff] [blame] | 40 | import java.util.Arrays; |
| 41 | import java.util.List; |
| 42 | import java.util.Map; |
| 43 | |
| 44 | import static org.hamcrest.CoreMatchers.instanceOf; |
| 45 | import static org.hamcrest.MatcherAssert.assertThat; |
| 46 | import static org.junit.Assert.assertEquals; |
Pier Luigi | 0b4222e | 2017-07-21 09:47:14 +0200 | [diff] [blame^] | 47 | import static org.junit.Assert.assertNull; |
Pier Ventre | f8543d8 | 2016-09-28 19:49:33 -0700 | [diff] [blame] | 48 | import static org.junit.Assert.assertTrue; |
| 49 | import static org.onosproject.net.DefaultEdgeLink.createEdgeLink; |
| 50 | import static org.onosproject.net.Link.Type.DIRECT; |
| 51 | import static org.onosproject.net.NetTestTools.PID; |
| 52 | import static org.onosproject.net.NetTestTools.connectPoint; |
| 53 | |
| 54 | /** |
| 55 | * Unit tests for LabelAllocator. |
| 56 | */ |
| 57 | public class LabelAllocatorTest { |
| 58 | |
| 59 | private LabelAllocator allocator; |
| 60 | private MockResourceService resourceService; |
Thomas Vachuska | 2048c1f | 2017-05-10 19:32:22 -0700 | [diff] [blame] | 61 | private IdGenerator idGenerator = MockIdGenerator.INSTANCE; |
Pier Ventre | f8543d8 | 2016-09-28 19:49:33 -0700 | [diff] [blame] | 62 | |
| 63 | private final ConnectPoint d1p0 = connectPoint("s1", 0); |
| 64 | private final ConnectPoint d1p1 = connectPoint("s1", 1); |
| 65 | private final ConnectPoint d2p0 = connectPoint("s2", 0); |
| 66 | private final ConnectPoint d2p1 = connectPoint("s2", 1); |
Pier Luigi | 0b4222e | 2017-07-21 09:47:14 +0200 | [diff] [blame^] | 67 | private final ConnectPoint d3p0 = connectPoint("s3", 0); |
| 68 | private final ConnectPoint d3p1 = connectPoint("s3", 1); |
| 69 | private final ConnectPoint d4p0 = connectPoint("s4", 0); |
| 70 | private final ConnectPoint d4p1 = connectPoint("s4", 1); |
Pier Ventre | f8543d8 | 2016-09-28 19:49:33 -0700 | [diff] [blame] | 71 | |
| 72 | private final List<Link> links = Arrays.asList( |
| 73 | createEdgeLink(d1p0, true), |
Pier Luigi | 0b4222e | 2017-07-21 09:47:14 +0200 | [diff] [blame^] | 74 | DefaultLink.builder().providerId(PID).src(d1p1).dst(d3p1).type(DIRECT).build(), |
| 75 | DefaultLink.builder().providerId(PID).src(d3p0).dst(d2p1).type(DIRECT).build(), |
Pier Ventre | f8543d8 | 2016-09-28 19:49:33 -0700 | [diff] [blame] | 76 | createEdgeLink(d2p0, false) |
| 77 | ); |
| 78 | |
Pier Luigi | 0b4222e | 2017-07-21 09:47:14 +0200 | [diff] [blame^] | 79 | private final List<Link> links2 = Arrays.asList( |
| 80 | createEdgeLink(d1p0, true), |
| 81 | DefaultLink.builder().providerId(PID).src(d1p1).dst(d3p1).type(DIRECT).build(), |
| 82 | DefaultLink.builder().providerId(PID).src(d3p0).dst(d4p1).type(DIRECT).build(), |
| 83 | DefaultLink.builder().providerId(PID).src(d4p0).dst(d2p1).type(DIRECT).build(), |
| 84 | createEdgeLink(d2p0, false) |
| 85 | ); |
| 86 | |
| 87 | // Selection behavior |
Pier Ventre | f8543d8 | 2016-09-28 19:49:33 -0700 | [diff] [blame] | 88 | private final String firstFit = "FIRST_FIT"; |
| 89 | private final String random = "RANDOM"; |
| 90 | private final String wrong = "BLAHBLAHBLAH"; |
| 91 | |
Pier Luigi | 0b4222e | 2017-07-21 09:47:14 +0200 | [diff] [blame^] | 92 | // Optimization behavior |
| 93 | private final String none = "NONE"; |
| 94 | private final String noswap = "NO_SWAP"; |
| 95 | private final String minswap = "MIN_SWAP"; |
| 96 | |
Pier Ventre | f8543d8 | 2016-09-28 19:49:33 -0700 | [diff] [blame] | 97 | @Before |
| 98 | public void setUp() { |
| 99 | this.resourceService = new MockResourceService(); |
| 100 | this.allocator = new LabelAllocator(this.resourceService); |
| 101 | } |
| 102 | |
| 103 | @After |
| 104 | public void tearDown() { |
| 105 | |
| 106 | } |
| 107 | |
| 108 | /** |
| 109 | * To test changes to the selection behavior. |
| 110 | */ |
| 111 | @Test |
Pier Luigi | 0b4222e | 2017-07-21 09:47:14 +0200 | [diff] [blame^] | 112 | public void testChangeSelBehavior() { |
Pier Ventre | f8543d8 | 2016-09-28 19:49:33 -0700 | [diff] [blame] | 113 | // It has to be an instance of LabelSelection |
| 114 | assertThat(this.allocator.getLabelSelection(), instanceOf(LabelSelection.class)); |
| 115 | // By default we have Random Selection |
| 116 | assertThat(this.allocator.getLabelSelection(), instanceOf(RandomSelection.class)); |
| 117 | // We change to FirstFit and we test the change |
| 118 | this.allocator.setLabelSelection(firstFit); |
| 119 | assertThat(this.allocator.getLabelSelection(), instanceOf(FirstFitSelection.class)); |
| 120 | // We change to Random and we test the change |
| 121 | this.allocator.setLabelSelection(random); |
| 122 | assertThat(this.allocator.getLabelSelection(), instanceOf(RandomSelection.class)); |
| 123 | // We put a wrong type and we should have a Random selection |
| 124 | this.allocator.setLabelSelection(wrong); |
| 125 | assertThat(this.allocator.getLabelSelection(), instanceOf(RandomSelection.class)); |
Pier Luigi | 0b4222e | 2017-07-21 09:47:14 +0200 | [diff] [blame^] | 126 | // We change to first_fit and we test the change |
| 127 | this.allocator.setLabelSelection("first_fit"); |
| 128 | // The change does not happen |
| 129 | assertThat(this.allocator.getLabelSelection(), instanceOf(RandomSelection.class)); |
| 130 | this.allocator.setLabelSelection(firstFit); |
| 131 | // We change to Random and we test the change |
| 132 | this.allocator.setLabelSelection("random"); |
| 133 | // The change does not happen |
| 134 | assertThat(this.allocator.getLabelSelection(), instanceOf(FirstFitSelection.class)); |
Pier Ventre | f8543d8 | 2016-09-28 19:49:33 -0700 | [diff] [blame] | 135 | } |
| 136 | |
| 137 | /** |
Pier Luigi | 0b4222e | 2017-07-21 09:47:14 +0200 | [diff] [blame^] | 138 | * To test changes to the optimization behavior. |
Pier Ventre | f8543d8 | 2016-09-28 19:49:33 -0700 | [diff] [blame] | 139 | */ |
| 140 | @Test |
Pier Luigi | 0b4222e | 2017-07-21 09:47:14 +0200 | [diff] [blame^] | 141 | public void testChangeOptBehavior() { |
| 142 | // It has to be an instance of NONE |
| 143 | assertEquals(this.allocator.getOptLabelSelection(), LabelAllocator.OptimizationBehavior.NONE); |
| 144 | // Change to MIN_SWAP |
| 145 | this.allocator.setOptLabelSelection(minswap); |
| 146 | assertEquals(this.allocator.getOptLabelSelection(), LabelAllocator.OptimizationBehavior.MIN_SWAP); |
| 147 | // Change to NO_SWAP |
| 148 | this.allocator.setOptLabelSelection(noswap); |
| 149 | assertEquals(this.allocator.getOptLabelSelection(), LabelAllocator.OptimizationBehavior.NO_SWAP); |
| 150 | // Change to NONE |
| 151 | this.allocator.setOptLabelSelection(none); |
| 152 | assertEquals(this.allocator.getOptLabelSelection(), LabelAllocator.OptimizationBehavior.NONE); |
| 153 | // Change to MIN_SWAP |
| 154 | this.allocator.setOptLabelSelection("miN_swap"); |
| 155 | assertEquals(this.allocator.getOptLabelSelection(), LabelAllocator.OptimizationBehavior.NONE); |
| 156 | this.allocator.setOptLabelSelection(minswap); |
| 157 | // Change to NO_SWAP |
| 158 | this.allocator.setOptLabelSelection("No_swap"); |
| 159 | assertEquals(this.allocator.getOptLabelSelection(), LabelAllocator.OptimizationBehavior.MIN_SWAP); |
| 160 | this.allocator.setOptLabelSelection(noswap); |
| 161 | // Change to NONE |
| 162 | this.allocator.setOptLabelSelection("none"); |
| 163 | assertEquals(this.allocator.getOptLabelSelection(), LabelAllocator.OptimizationBehavior.NO_SWAP); |
| 164 | } |
| 165 | |
| 166 | /** |
| 167 | * To test the first fit behavior. Using NONE optimization |
| 168 | */ |
| 169 | @Test |
| 170 | public void testFirstFitBehaviorNone() { |
Pier Ventre | f8543d8 | 2016-09-28 19:49:33 -0700 | [diff] [blame] | 171 | // We change to FirstFit and we test the change |
| 172 | this.allocator.setLabelSelection(firstFit); |
| 173 | assertThat(this.allocator.getLabelSelection(), instanceOf(FirstFitSelection.class)); |
Pier Luigi | 0b4222e | 2017-07-21 09:47:14 +0200 | [diff] [blame^] | 174 | // It has to be an instance of NONE |
| 175 | assertEquals(this.allocator.getOptLabelSelection(), LabelAllocator.OptimizationBehavior.NONE); |
| 176 | // Filter reservations |
| 177 | this.resourceService.filterAssignment = true; |
| 178 | // We change the available Ids |
| 179 | this.resourceService.availableVlanLabels = ImmutableSet.of( |
| 180 | (short) 1, |
| 181 | (short) 20, |
| 182 | (short) 100 |
| 183 | ); |
| 184 | // First allocation on a subset of links |
Pier Ventre | f8543d8 | 2016-09-28 19:49:33 -0700 | [diff] [blame] | 185 | Map<LinkKey, Identifier<?>> allocation = this.allocator.assignLabelToLinks( |
Pier Luigi | 0b4222e | 2017-07-21 09:47:14 +0200 | [diff] [blame^] | 186 | ImmutableSet.copyOf(links.subList(2, 3)), |
Pier Ventre | f8543d8 | 2016-09-28 19:49:33 -0700 | [diff] [blame] | 187 | IntentId.valueOf(idGenerator.getNewId()), |
| 188 | EncapsulationType.VLAN); |
Pier Luigi | 0b4222e | 2017-07-21 09:47:14 +0200 | [diff] [blame^] | 189 | Identifier<?> id = allocation.get(LinkKey.linkKey(d3p0, d2p1)); |
| 190 | // value has to be a Vlan Id |
Pier Ventre | f8543d8 | 2016-09-28 19:49:33 -0700 | [diff] [blame] | 191 | assertThat(id, instanceOf(VlanId.class)); |
| 192 | // value should not be a forbidden value |
| 193 | VlanId vlanId = (VlanId) id; |
| 194 | assertTrue(VlanId.NO_VID < vlanId.toShort() && vlanId.toShort() < VlanId.MAX_VLAN); |
Pier Luigi | 0b4222e | 2017-07-21 09:47:14 +0200 | [diff] [blame^] | 195 | // We test the behavior for VLAN |
Pier Ventre | f8543d8 | 2016-09-28 19:49:33 -0700 | [diff] [blame] | 196 | allocation = this.allocator.assignLabelToLinks( |
Pier Luigi | 0b4222e | 2017-07-21 09:47:14 +0200 | [diff] [blame^] | 197 | ImmutableSet.copyOf(links.subList(1, 3)), |
Pier Ventre | f8543d8 | 2016-09-28 19:49:33 -0700 | [diff] [blame] | 198 | IntentId.valueOf(idGenerator.getNewId()), |
| 199 | EncapsulationType.VLAN); |
Pier Luigi | 0b4222e | 2017-07-21 09:47:14 +0200 | [diff] [blame^] | 200 | id = allocation.get(LinkKey.linkKey(d1p1, d3p1)); |
Pier Ventre | f8543d8 | 2016-09-28 19:49:33 -0700 | [diff] [blame] | 201 | assertThat(id, instanceOf(VlanId.class)); |
Pier Ventre | f8543d8 | 2016-09-28 19:49:33 -0700 | [diff] [blame] | 202 | vlanId = (VlanId) id; |
| 203 | assertTrue(VlanId.NO_VID < vlanId.toShort() && vlanId.toShort() < VlanId.MAX_VLAN); |
Pier Luigi | 0b4222e | 2017-07-21 09:47:14 +0200 | [diff] [blame^] | 204 | id = allocation.get(LinkKey.linkKey(d3p0, d2p1)); |
| 205 | assertThat(id, instanceOf(VlanId.class)); |
| 206 | vlanId = (VlanId) id; |
| 207 | assertTrue(VlanId.NO_VID < vlanId.toShort() && vlanId.toShort() < VlanId.MAX_VLAN); |
Pier Ventre | f8543d8 | 2016-09-28 19:49:33 -0700 | [diff] [blame] | 208 | } |
| 209 | |
| 210 | /** |
Pier Luigi | 0b4222e | 2017-07-21 09:47:14 +0200 | [diff] [blame^] | 211 | * To test the first fit behavior. Using NO_SWAP optimization |
Pier Ventre | f8543d8 | 2016-09-28 19:49:33 -0700 | [diff] [blame] | 212 | */ |
| 213 | @Test |
Pier Luigi | 0b4222e | 2017-07-21 09:47:14 +0200 | [diff] [blame^] | 214 | public void testFirstFitBehaviorNoSwap() { |
Pier Ventre | f8543d8 | 2016-09-28 19:49:33 -0700 | [diff] [blame] | 215 | // We change to FirstFit and we test the change |
| 216 | this.allocator.setLabelSelection(firstFit); |
| 217 | assertThat(this.allocator.getLabelSelection(), instanceOf(FirstFitSelection.class)); |
Pier Luigi | 0b4222e | 2017-07-21 09:47:14 +0200 | [diff] [blame^] | 218 | /// Change to NO_SWAP |
| 219 | this.allocator.setOptLabelSelection(noswap); |
| 220 | assertEquals(this.allocator.getOptLabelSelection(), LabelAllocator.OptimizationBehavior.NO_SWAP); |
| 221 | // Filter reservations |
| 222 | this.resourceService.filterAssignment = true; |
| 223 | // We change the available Ids |
| 224 | this.resourceService.availableMplsLabels = ImmutableSet.of( |
| 225 | 1, |
| 226 | 100, |
| 227 | 1000 |
| 228 | ); |
| 229 | // First allocation on a subset of links |
Pier Ventre | f8543d8 | 2016-09-28 19:49:33 -0700 | [diff] [blame] | 230 | Map<LinkKey, Identifier<?>> allocation = this.allocator.assignLabelToLinks( |
Pier Luigi | 0b4222e | 2017-07-21 09:47:14 +0200 | [diff] [blame^] | 231 | ImmutableSet.copyOf(links.subList(2, 3)), |
Pier Ventre | f8543d8 | 2016-09-28 19:49:33 -0700 | [diff] [blame] | 232 | IntentId.valueOf(idGenerator.getNewId()), |
| 233 | EncapsulationType.MPLS); |
Pier Luigi | 0b4222e | 2017-07-21 09:47:14 +0200 | [diff] [blame^] | 234 | Identifier<?> id = allocation.get(LinkKey.linkKey(d3p0, d2p1)); |
| 235 | // value has to be a MPLS label |
Pier Ventre | f8543d8 | 2016-09-28 19:49:33 -0700 | [diff] [blame] | 236 | assertThat(id, instanceOf(MplsLabel.class)); |
| 237 | // value should not be a forbidden value |
| 238 | MplsLabel mplsLabel = (MplsLabel) id; |
| 239 | assertTrue(0 < mplsLabel.toInt() && mplsLabel.toInt() < MplsLabel.MAX_MPLS); |
Pier Luigi | 0b4222e | 2017-07-21 09:47:14 +0200 | [diff] [blame^] | 240 | // We test the behavior for MPLS |
Pier Ventre | f8543d8 | 2016-09-28 19:49:33 -0700 | [diff] [blame] | 241 | allocation = this.allocator.assignLabelToLinks( |
Pier Luigi | 0b4222e | 2017-07-21 09:47:14 +0200 | [diff] [blame^] | 242 | ImmutableSet.copyOf(links.subList(1, 3)), |
Pier Ventre | f8543d8 | 2016-09-28 19:49:33 -0700 | [diff] [blame] | 243 | IntentId.valueOf(idGenerator.getNewId()), |
| 244 | EncapsulationType.MPLS); |
Pier Luigi | 0b4222e | 2017-07-21 09:47:14 +0200 | [diff] [blame^] | 245 | id = allocation.get(LinkKey.linkKey(d1p1, d3p1)); |
Pier Ventre | f8543d8 | 2016-09-28 19:49:33 -0700 | [diff] [blame] | 246 | assertThat(id, instanceOf(MplsLabel.class)); |
Pier Ventre | f8543d8 | 2016-09-28 19:49:33 -0700 | [diff] [blame] | 247 | mplsLabel = (MplsLabel) id; |
| 248 | assertTrue(0 < mplsLabel.toInt() && mplsLabel.toInt() < MplsLabel.MAX_MPLS); |
Pier Luigi | 0b4222e | 2017-07-21 09:47:14 +0200 | [diff] [blame^] | 249 | id = allocation.get(LinkKey.linkKey(d3p0, d2p1)); |
| 250 | assertThat(id, instanceOf(MplsLabel.class)); |
| 251 | mplsLabel = (MplsLabel) id; |
| 252 | assertTrue(0 < mplsLabel.toInt() && mplsLabel.toInt() < MplsLabel.MAX_MPLS); |
Pier Ventre | f8543d8 | 2016-09-28 19:49:33 -0700 | [diff] [blame] | 253 | } |
| 254 | |
| 255 | /** |
Pier Luigi | 0b4222e | 2017-07-21 09:47:14 +0200 | [diff] [blame^] | 256 | * To test the first fit behavior. Using MIN_SWAP optimization |
Pier Ventre | f8543d8 | 2016-09-28 19:49:33 -0700 | [diff] [blame] | 257 | */ |
| 258 | @Test |
Pier Luigi | 0b4222e | 2017-07-21 09:47:14 +0200 | [diff] [blame^] | 259 | public void testFirstFitBehaviorMinSwap() { |
| 260 | // We change to FirstFit and we test the change |
| 261 | this.allocator.setLabelSelection(firstFit); |
| 262 | assertThat(this.allocator.getLabelSelection(), instanceOf(FirstFitSelection.class)); |
| 263 | /// Change to MIN_SWAP |
| 264 | this.allocator.setOptLabelSelection(minswap); |
| 265 | assertEquals(this.allocator.getOptLabelSelection(), LabelAllocator.OptimizationBehavior.MIN_SWAP); |
| 266 | // Filter reservations |
| 267 | this.resourceService.filterAssignment = true; |
| 268 | // We change the available Ids |
| 269 | this.resourceService.availableVlanLabels = ImmutableSet.of( |
| 270 | (short) 2, |
| 271 | (short) 20, |
| 272 | (short) 200 |
| 273 | ); |
| 274 | // First allocation on a subset of links |
Pier Ventre | f8543d8 | 2016-09-28 19:49:33 -0700 | [diff] [blame] | 275 | Map<LinkKey, Identifier<?>> allocation = this.allocator.assignLabelToLinks( |
Pier Luigi | 0b4222e | 2017-07-21 09:47:14 +0200 | [diff] [blame^] | 276 | ImmutableSet.copyOf(links2.subList(2, 3)), |
Pier Ventre | f8543d8 | 2016-09-28 19:49:33 -0700 | [diff] [blame] | 277 | IntentId.valueOf(idGenerator.getNewId()), |
| 278 | EncapsulationType.VLAN); |
Pier Luigi | 0b4222e | 2017-07-21 09:47:14 +0200 | [diff] [blame^] | 279 | Identifier<?> id = allocation.get(LinkKey.linkKey(d3p0, d4p1)); |
| 280 | // value has to be a VLAN id |
Pier Ventre | f8543d8 | 2016-09-28 19:49:33 -0700 | [diff] [blame] | 281 | assertThat(id, instanceOf(VlanId.class)); |
| 282 | // value should not be a forbidden value |
| 283 | VlanId vlanId = (VlanId) id; |
Pier Luigi | 0b4222e | 2017-07-21 09:47:14 +0200 | [diff] [blame^] | 284 | assertTrue(VlanId.NO_VID < vlanId.toShort() && vlanId.toShort() < VlanId.MAX_VLAN); |
| 285 | // We test the behavior for VLAN |
| 286 | allocation = this.allocator.assignLabelToLinks( |
| 287 | ImmutableSet.copyOf(links2.subList(1, 4)), |
| 288 | IntentId.valueOf(idGenerator.getNewId()), |
| 289 | EncapsulationType.VLAN); |
| 290 | id = allocation.get(LinkKey.linkKey(d1p1, d3p1)); |
| 291 | assertThat(id, instanceOf(VlanId.class)); |
| 292 | vlanId = (VlanId) id; |
| 293 | assertTrue(VlanId.NO_VID < vlanId.toShort() && vlanId.toShort() < VlanId.MAX_VLAN); |
| 294 | id = allocation.get(LinkKey.linkKey(d3p0, d4p1)); |
| 295 | assertThat(id, instanceOf(VlanId.class)); |
| 296 | vlanId = (VlanId) id; |
| 297 | assertTrue(VlanId.NO_VID < vlanId.toShort() && vlanId.toShort() < VlanId.MAX_VLAN); |
| 298 | id = allocation.get(LinkKey.linkKey(d4p0, d2p1)); |
| 299 | assertThat(id, instanceOf(VlanId.class)); |
| 300 | vlanId = (VlanId) id; |
| 301 | assertTrue(VlanId.NO_VID < vlanId.toShort() && vlanId.toShort() < VlanId.MAX_VLAN); |
Pier Ventre | f8543d8 | 2016-09-28 19:49:33 -0700 | [diff] [blame] | 302 | } |
| 303 | |
| 304 | /** |
Pier Luigi | 0b4222e | 2017-07-21 09:47:14 +0200 | [diff] [blame^] | 305 | * To test random behavior. Using NONE optimization |
Pier Ventre | f8543d8 | 2016-09-28 19:49:33 -0700 | [diff] [blame] | 306 | */ |
| 307 | @Test |
Pier Luigi | 0b4222e | 2017-07-21 09:47:14 +0200 | [diff] [blame^] | 308 | public void testRandomBehaviorNone() { |
| 309 | // By default Random is the selection behavior used |
Pier Ventre | f8543d8 | 2016-09-28 19:49:33 -0700 | [diff] [blame] | 310 | assertThat(this.allocator.getLabelSelection(), instanceOf(RandomSelection.class)); |
Pier Luigi | 0b4222e | 2017-07-21 09:47:14 +0200 | [diff] [blame^] | 311 | // It has to be an instance of NONE |
| 312 | assertEquals(this.allocator.getOptLabelSelection(), LabelAllocator.OptimizationBehavior.NONE); |
| 313 | // Filter reservations |
| 314 | this.resourceService.filterAssignment = true; |
| 315 | // We change the available Ids |
| 316 | this.resourceService.availableMplsLabels = ImmutableSet.of( |
| 317 | 1, |
| 318 | 2, |
| 319 | 3, |
| 320 | 4, |
| 321 | 5, |
| 322 | 6 |
| 323 | ); |
| 324 | // First allocation on a subset of links |
Pier Ventre | f8543d8 | 2016-09-28 19:49:33 -0700 | [diff] [blame] | 325 | Map<LinkKey, Identifier<?>> allocation = this.allocator.assignLabelToLinks( |
Pier Luigi | 0b4222e | 2017-07-21 09:47:14 +0200 | [diff] [blame^] | 326 | ImmutableSet.copyOf(links.subList(2, 3)), |
Pier Ventre | f8543d8 | 2016-09-28 19:49:33 -0700 | [diff] [blame] | 327 | IntentId.valueOf(idGenerator.getNewId()), |
| 328 | EncapsulationType.MPLS); |
Pier Luigi | 0b4222e | 2017-07-21 09:47:14 +0200 | [diff] [blame^] | 329 | Identifier<?> id = allocation.get(LinkKey.linkKey(d3p0, d2p1)); |
| 330 | // value has to be a MPLS label |
Pier Ventre | f8543d8 | 2016-09-28 19:49:33 -0700 | [diff] [blame] | 331 | assertThat(id, instanceOf(MplsLabel.class)); |
| 332 | // value should not be a forbidden value |
Pier Luigi | 0b4222e | 2017-07-21 09:47:14 +0200 | [diff] [blame^] | 333 | MplsLabel mplsLabel = (MplsLabel) id; |
| 334 | assertTrue(0 < mplsLabel.toInt() && mplsLabel.toInt() < MplsLabel.MAX_MPLS); |
| 335 | // We test the behavior for MPLS |
Pier Ventre | f8543d8 | 2016-09-28 19:49:33 -0700 | [diff] [blame] | 336 | allocation = this.allocator.assignLabelToLinks( |
Pier Luigi | 0b4222e | 2017-07-21 09:47:14 +0200 | [diff] [blame^] | 337 | ImmutableSet.copyOf(links.subList(1, 3)), |
Pier Ventre | f8543d8 | 2016-09-28 19:49:33 -0700 | [diff] [blame] | 338 | IntentId.valueOf(idGenerator.getNewId()), |
| 339 | EncapsulationType.MPLS); |
Pier Luigi | 0b4222e | 2017-07-21 09:47:14 +0200 | [diff] [blame^] | 340 | id = allocation.get(LinkKey.linkKey(d1p1, d3p1)); |
| 341 | assertThat(id, instanceOf(MplsLabel.class)); |
| 342 | mplsLabel = (MplsLabel) id; |
| 343 | assertTrue(0 < mplsLabel.toInt() && mplsLabel.toInt() < MplsLabel.MAX_MPLS); |
| 344 | id = allocation.get(LinkKey.linkKey(d3p0, d2p1)); |
| 345 | assertThat(id, instanceOf(MplsLabel.class)); |
| 346 | mplsLabel = (MplsLabel) id; |
| 347 | assertTrue(0 < mplsLabel.toInt() && mplsLabel.toInt() < MplsLabel.MAX_MPLS); |
| 348 | } |
| 349 | |
| 350 | /** |
| 351 | * To test random behavior. Using NO_SWAP optimization |
| 352 | */ |
| 353 | @Test |
| 354 | public void testRandomBehaviorNoSwap() { |
| 355 | // By default Random is the selection behavior used |
| 356 | assertThat(this.allocator.getLabelSelection(), instanceOf(RandomSelection.class)); |
| 357 | // Change to NO_SWAP |
| 358 | this.allocator.setOptLabelSelection(noswap); |
| 359 | assertEquals(this.allocator.getOptLabelSelection(), LabelAllocator.OptimizationBehavior.NO_SWAP); |
| 360 | // Filter reservations |
| 361 | this.resourceService.filterAssignment = true; |
| 362 | // We change the available Ids |
| 363 | this.resourceService.availableVlanLabels = ImmutableSet.of( |
| 364 | (short) 1, |
| 365 | (short) 2, |
| 366 | (short) 3, |
| 367 | (short) 4, |
| 368 | (short) 5, |
| 369 | (short) 6 |
| 370 | ); |
| 371 | // First allocation on a subset of links |
| 372 | Map<LinkKey, Identifier<?>> allocation = this.allocator.assignLabelToLinks( |
| 373 | ImmutableSet.copyOf(links.subList(2, 3)), |
| 374 | IntentId.valueOf(idGenerator.getNewId()), |
| 375 | EncapsulationType.VLAN); |
| 376 | Identifier<?> id = allocation.get(LinkKey.linkKey(d3p0, d2p1)); |
| 377 | // value has to be a VLAN Id |
| 378 | assertThat(id, instanceOf(VlanId.class)); |
| 379 | // value should not be a forbidden value |
| 380 | VlanId vlanId = (VlanId) id; |
| 381 | assertTrue(VlanId.NO_VID < vlanId.toShort() && vlanId.toShort() < VlanId.MAX_VLAN); |
| 382 | // We test the behavior for VLAN |
| 383 | allocation = this.allocator.assignLabelToLinks( |
| 384 | ImmutableSet.copyOf(links.subList(1, 3)), |
| 385 | IntentId.valueOf(idGenerator.getNewId()), |
| 386 | EncapsulationType.VLAN); |
| 387 | id = allocation.get(LinkKey.linkKey(d1p1, d3p1)); |
| 388 | assertThat(id, instanceOf(VlanId.class)); |
| 389 | vlanId = (VlanId) id; |
| 390 | assertTrue(VlanId.NO_VID < vlanId.toShort() && vlanId.toShort() < VlanId.MAX_VLAN); |
| 391 | id = allocation.get(LinkKey.linkKey(d3p0, d2p1)); |
| 392 | assertThat(id, instanceOf(VlanId.class)); |
| 393 | vlanId = (VlanId) id; |
| 394 | assertTrue(VlanId.NO_VID < vlanId.toShort() && vlanId.toShort() < VlanId.MAX_VLAN); |
| 395 | } |
| 396 | |
| 397 | /** |
| 398 | * To test the random behavior. Using MIN_SWAP optimization |
| 399 | */ |
| 400 | @Test |
| 401 | public void testRandomBehaviorMinSwap() { |
| 402 | // By default Random is the selection behavior used |
| 403 | assertThat(this.allocator.getLabelSelection(), instanceOf(RandomSelection.class)); |
| 404 | // Change to MIN_SWAP |
| 405 | this.allocator.setOptLabelSelection(minswap); |
| 406 | assertEquals(this.allocator.getOptLabelSelection(), LabelAllocator.OptimizationBehavior.MIN_SWAP); |
| 407 | // Filter reservations |
| 408 | this.resourceService.filterAssignment = true; |
| 409 | // We change the available Ids |
| 410 | this.resourceService.availableMplsLabels = ImmutableSet.of( |
| 411 | 1, |
| 412 | 2, |
| 413 | 3, |
| 414 | 4, |
| 415 | 5, |
| 416 | 6, |
| 417 | 7, |
| 418 | 8 |
| 419 | ); |
| 420 | // First allocation on a subset of links |
| 421 | Map<LinkKey, Identifier<?>> allocation = this.allocator.assignLabelToLinks( |
| 422 | ImmutableSet.copyOf(links2.subList(2, 3)), |
| 423 | IntentId.valueOf(idGenerator.getNewId()), |
| 424 | EncapsulationType.MPLS); |
| 425 | Identifier<?> id = allocation.get(LinkKey.linkKey(d3p0, d4p1)); |
| 426 | // value has to be a MPLS label |
Pier Ventre | f8543d8 | 2016-09-28 19:49:33 -0700 | [diff] [blame] | 427 | assertThat(id, instanceOf(MplsLabel.class)); |
| 428 | // value should not be a forbidden value |
Pier Luigi | 0b4222e | 2017-07-21 09:47:14 +0200 | [diff] [blame^] | 429 | MplsLabel mplsLabel = (MplsLabel) id; |
| 430 | assertTrue(0 < mplsLabel.toInt() && mplsLabel.toInt() < MplsLabel.MAX_MPLS); |
| 431 | // We test the behavior for MPLS |
| 432 | allocation = this.allocator.assignLabelToLinks( |
| 433 | ImmutableSet.copyOf(links2.subList(1, 4)), |
| 434 | IntentId.valueOf(idGenerator.getNewId()), |
| 435 | EncapsulationType.MPLS); |
| 436 | id = allocation.get(LinkKey.linkKey(d1p1, d3p1)); |
| 437 | assertThat(id, instanceOf(MplsLabel.class)); |
| 438 | mplsLabel = (MplsLabel) id; |
| 439 | assertTrue(0 < mplsLabel.toInt() && mplsLabel.toInt() < MplsLabel.MAX_MPLS); |
| 440 | id = allocation.get(LinkKey.linkKey(d3p0, d4p1)); |
| 441 | assertThat(id, instanceOf(MplsLabel.class)); |
| 442 | mplsLabel = (MplsLabel) id; |
| 443 | assertTrue(0 < mplsLabel.toInt() && mplsLabel.toInt() < MplsLabel.MAX_MPLS); |
| 444 | id = allocation.get(LinkKey.linkKey(d4p0, d2p1)); |
| 445 | assertThat(id, instanceOf(MplsLabel.class)); |
| 446 | mplsLabel = (MplsLabel) id; |
| 447 | assertTrue(0 < mplsLabel.toInt() && mplsLabel.toInt() < MplsLabel.MAX_MPLS); |
Pier Ventre | f8543d8 | 2016-09-28 19:49:33 -0700 | [diff] [blame] | 448 | } |
| 449 | |
Pier Luigi | 0b4222e | 2017-07-21 09:47:14 +0200 | [diff] [blame^] | 450 | |
Pier Ventre | f8543d8 | 2016-09-28 19:49:33 -0700 | [diff] [blame] | 451 | /** |
| 452 | * To test the port key based API. |
| 453 | */ |
| 454 | @Test |
| 455 | public void testPortKey() { |
Pier Luigi | 0b4222e | 2017-07-21 09:47:14 +0200 | [diff] [blame^] | 456 | // Verify the first fit behavior |
Pier Ventre | f8543d8 | 2016-09-28 19:49:33 -0700 | [diff] [blame] | 457 | this.allocator.setLabelSelection(firstFit); |
| 458 | assertThat(this.allocator.getLabelSelection(), instanceOf(FirstFitSelection.class)); |
| 459 | // We test the behavior for VLAN |
| 460 | Map<ConnectPoint, Identifier<?>> allocation = this.allocator.assignLabelToPorts( |
| 461 | ImmutableSet.copyOf(links.subList(1, 2)), |
| 462 | IntentId.valueOf(idGenerator.getNewId()), |
| 463 | EncapsulationType.VLAN); |
| 464 | Identifier<?> id = allocation.get(new ConnectPoint(d1p1.elementId(), d1p1.port())); |
| 465 | // value has to be a VlanId |
| 466 | assertThat(id, instanceOf(VlanId.class)); |
| 467 | // value should not be a forbidden value |
| 468 | VlanId prevVlanId = (VlanId) id; |
| 469 | assertTrue(VlanId.NO_VID < prevVlanId.toShort() && prevVlanId.toShort() < VlanId.MAX_VLAN); |
| 470 | // value has to be 1 |
| 471 | assertEquals(1, prevVlanId.toShort()); |
| 472 | // verify same applies for d2p1 |
Pier Luigi | 0b4222e | 2017-07-21 09:47:14 +0200 | [diff] [blame^] | 473 | id = allocation.get(new ConnectPoint(d3p1.elementId(), d3p1.port())); |
Pier Ventre | f8543d8 | 2016-09-28 19:49:33 -0700 | [diff] [blame] | 474 | assertThat(id, instanceOf(VlanId.class)); |
| 475 | // value should not be a forbidden value |
| 476 | VlanId vlanId = (VlanId) id; |
| 477 | assertTrue(VlanId.NO_VID < vlanId.toShort() && vlanId.toShort() < VlanId.MAX_VLAN); |
| 478 | // value has to be 1 |
| 479 | assertEquals(prevVlanId, vlanId); |
| 480 | } |
| 481 | |
Pier Luigi | 0b4222e | 2017-07-21 09:47:14 +0200 | [diff] [blame^] | 482 | /** |
| 483 | * To test the developed algorithms when there are no labels. |
| 484 | */ |
| 485 | @Test |
| 486 | public void noLabelsTest() { |
| 487 | // Verify the first fit behavior with NONE optimization |
| 488 | this.allocator.setLabelSelection(firstFit); |
| 489 | assertThat(this.allocator.getLabelSelection(), instanceOf(FirstFitSelection.class)); |
| 490 | // It has to be an instance of NONE |
| 491 | assertEquals(this.allocator.getOptLabelSelection(), LabelAllocator.OptimizationBehavior.NONE); |
| 492 | // We change the available Ids |
| 493 | this.resourceService.availableVlanLabels = ImmutableSet.of( |
| 494 | (short) 10 |
| 495 | ); |
| 496 | // Enable filtering of the reservation |
| 497 | this.resourceService.filterAssignment = true; |
| 498 | // We test the behavior for VLAN |
| 499 | Map<LinkKey, Identifier<?>> allocation = this.allocator.assignLabelToLinks( |
| 500 | ImmutableSet.copyOf(links.subList(1, 3)), |
| 501 | IntentId.valueOf(idGenerator.getNewId()), |
| 502 | EncapsulationType.VLAN); |
| 503 | Identifier<?> id = allocation.get(LinkKey.linkKey(d1p1, d3p1)); |
| 504 | // value has to be a VlanId |
| 505 | assertThat(id, instanceOf(VlanId.class)); |
| 506 | // value should not be a forbidden value |
| 507 | VlanId label = (VlanId) id; |
| 508 | assertTrue(VlanId.NO_VID < label.toShort() && label.toShort() < VlanId.MAX_VLAN); |
| 509 | // Next hop |
| 510 | id = allocation.get(LinkKey.linkKey(d3p0, d2p1)); |
| 511 | assertThat(id, instanceOf(VlanId.class)); |
| 512 | label = (VlanId) id; |
| 513 | assertTrue(VlanId.NO_VID < label.toShort() && label.toShort() < VlanId.MAX_VLAN); |
| 514 | // No labels are available, reservation is not possible |
| 515 | allocation = this.allocator.assignLabelToLinks( |
| 516 | ImmutableSet.copyOf(links.subList(1, 3)), |
| 517 | IntentId.valueOf(idGenerator.getNewId()), |
| 518 | EncapsulationType.VLAN); |
| 519 | id = allocation.get(LinkKey.linkKey(d1p1, d3p1)); |
| 520 | // value has to be null |
| 521 | assertNull(id); |
| 522 | id = allocation.get(LinkKey.linkKey(d3p0, d2p1)); |
| 523 | // value has to be null |
| 524 | assertNull(id); |
Pier Ventre | f8543d8 | 2016-09-28 19:49:33 -0700 | [diff] [blame] | 525 | |
Pier Luigi | 0b4222e | 2017-07-21 09:47:14 +0200 | [diff] [blame^] | 526 | // Verify the random behavior with NONE_SWAP optimization |
| 527 | this.allocator.setLabelSelection(random); |
| 528 | assertThat(this.allocator.getLabelSelection(), instanceOf(RandomSelection.class)); |
| 529 | // Change to NO_SWAP |
| 530 | this.allocator.setOptLabelSelection(noswap); |
| 531 | assertEquals(this.allocator.getOptLabelSelection(), LabelAllocator.OptimizationBehavior.NO_SWAP); |
| 532 | // We change the available Ids |
| 533 | this.resourceService.availableMplsLabels = ImmutableSet.of( |
| 534 | 2000 |
| 535 | ); |
| 536 | // Enable filtering of the reservation |
| 537 | this.resourceService.filterAssignment = true; |
| 538 | // We test the behavior for MPLS |
| 539 | allocation = this.allocator.assignLabelToLinks( |
| 540 | ImmutableSet.copyOf(links.subList(1, 3)), |
| 541 | IntentId.valueOf(idGenerator.getNewId()), |
| 542 | EncapsulationType.MPLS); |
| 543 | id = allocation.get(LinkKey.linkKey(d1p1, d3p1)); |
| 544 | // value has to be a Mplslabel |
| 545 | assertThat(id, instanceOf(MplsLabel.class)); |
| 546 | // value should not be a forbidden value |
| 547 | MplsLabel mplsLabel = (MplsLabel) id; |
| 548 | assertTrue(0 <= mplsLabel.toInt() && mplsLabel.toInt() <= MplsLabel.MAX_MPLS); |
| 549 | id = allocation.get(LinkKey.linkKey(d3p0, d2p1)); |
| 550 | assertThat(id, instanceOf(MplsLabel.class)); |
| 551 | mplsLabel = (MplsLabel) id; |
| 552 | assertTrue(0 <= mplsLabel.toInt() && mplsLabel.toInt() <= MplsLabel.MAX_MPLS); |
| 553 | // No labels are available, reservation is not possible |
| 554 | allocation = this.allocator.assignLabelToLinks( |
| 555 | ImmutableSet.copyOf(links.subList(1, 3)), |
| 556 | IntentId.valueOf(idGenerator.getNewId()), |
| 557 | EncapsulationType.MPLS); |
| 558 | id = allocation.get(LinkKey.linkKey(d1p1, d3p1)); |
| 559 | // value has to be null |
| 560 | assertNull(id); |
| 561 | id = allocation.get(LinkKey.linkKey(d3p0, d2p1)); |
| 562 | // value has to be null |
| 563 | assertNull(id); |
| 564 | |
| 565 | // Verify the first fit behavior with MIN optimization |
| 566 | this.allocator.setLabelSelection(firstFit); |
| 567 | assertThat(this.allocator.getLabelSelection(), instanceOf(FirstFitSelection.class)); |
| 568 | // Change to MIN_SWAP |
| 569 | this.allocator.setOptLabelSelection(minswap); |
| 570 | assertEquals(this.allocator.getOptLabelSelection(), LabelAllocator.OptimizationBehavior.MIN_SWAP); |
| 571 | // We change the available Ids |
| 572 | this.resourceService.availableVlanLabels = ImmutableSet.of( |
| 573 | (short) 11 |
| 574 | ); |
| 575 | // Enable filtering of the reservation |
| 576 | this.resourceService.filterAssignment = true; |
| 577 | // We test the behavior for VLAN |
| 578 | allocation = this.allocator.assignLabelToLinks( |
| 579 | ImmutableSet.copyOf(links.subList(1, 3)), |
| 580 | IntentId.valueOf(idGenerator.getNewId()), |
| 581 | EncapsulationType.VLAN); |
| 582 | id = allocation.get(LinkKey.linkKey(d1p1, d3p1)); |
| 583 | // value has to be a VlanId |
| 584 | assertThat(id, instanceOf(VlanId.class)); |
| 585 | // value should not be a forbidden value |
| 586 | label = (VlanId) id; |
| 587 | assertTrue(VlanId.NO_VID < label.toShort() && label.toShort() < VlanId.MAX_VLAN); |
| 588 | // Next hop |
| 589 | id = allocation.get(LinkKey.linkKey(d3p0, d2p1)); |
| 590 | assertThat(id, instanceOf(VlanId.class)); |
| 591 | label = (VlanId) id; |
| 592 | assertTrue(VlanId.NO_VID < label.toShort() && label.toShort() < VlanId.MAX_VLAN); |
| 593 | // No labels are available, reservation is not possible |
| 594 | allocation = this.allocator.assignLabelToLinks( |
| 595 | ImmutableSet.copyOf(links.subList(1, 3)), |
| 596 | IntentId.valueOf(idGenerator.getNewId()), |
| 597 | EncapsulationType.VLAN); |
| 598 | id = allocation.get(LinkKey.linkKey(d1p1, d3p1)); |
| 599 | // value has to be null |
| 600 | assertNull(id); |
| 601 | id = allocation.get(LinkKey.linkKey(d3p0, d2p1)); |
| 602 | // value has to be null |
| 603 | assertNull(id); |
| 604 | } |
| 605 | |
| 606 | /** |
| 607 | * To test the developed algorithms when there are no labels on a specific link. |
| 608 | */ |
| 609 | @Test |
| 610 | public void noLabelsOnLinkTest() { |
| 611 | // Verify the first fit behavior with NONE optimization |
| 612 | this.allocator.setLabelSelection(firstFit); |
| 613 | assertThat(this.allocator.getLabelSelection(), instanceOf(FirstFitSelection.class)); |
| 614 | // It has to be an instance of NONE |
| 615 | assertEquals(this.allocator.getOptLabelSelection(), LabelAllocator.OptimizationBehavior.NONE); |
| 616 | // We change the available Ids |
| 617 | this.resourceService.availableVlanLabels = ImmutableSet.of( |
| 618 | (short) 10 |
| 619 | ); |
| 620 | // Enable filtering of the reservation |
| 621 | this.resourceService.filterAssignment = true; |
| 622 | // We test the behavior for VLAN |
| 623 | Map<LinkKey, Identifier<?>> allocation = this.allocator.assignLabelToLinks( |
| 624 | ImmutableSet.copyOf(links.subList(2, 3)), |
| 625 | IntentId.valueOf(idGenerator.getNewId()), |
| 626 | EncapsulationType.VLAN); |
| 627 | Identifier<?> id = allocation.get(LinkKey.linkKey(d3p0, d2p1)); |
| 628 | assertThat(id, instanceOf(VlanId.class)); |
| 629 | VlanId label = (VlanId) id; |
| 630 | assertTrue(VlanId.NO_VID < label.toShort() && label.toShort() < VlanId.MAX_VLAN); |
| 631 | // No labels are available, reservation is not possible |
| 632 | allocation = this.allocator.assignLabelToLinks( |
| 633 | ImmutableSet.copyOf(links.subList(1, 3)), |
| 634 | IntentId.valueOf(idGenerator.getNewId()), |
| 635 | EncapsulationType.VLAN); |
| 636 | id = allocation.get(LinkKey.linkKey(d1p1, d3p1)); |
| 637 | // value has to be null |
| 638 | assertNull(id); |
| 639 | id = allocation.get(LinkKey.linkKey(d3p0, d2p1)); |
| 640 | // value has to be null |
| 641 | assertNull(id); |
| 642 | |
| 643 | // Verify the random behavior with NONE_SWAP optimization |
| 644 | this.allocator.setLabelSelection(random); |
| 645 | assertThat(this.allocator.getLabelSelection(), instanceOf(RandomSelection.class)); |
| 646 | // Change to NO_SWAP |
| 647 | this.allocator.setOptLabelSelection(noswap); |
| 648 | assertEquals(this.allocator.getOptLabelSelection(), LabelAllocator.OptimizationBehavior.NO_SWAP); |
| 649 | // We change the available Ids |
| 650 | this.resourceService.availableMplsLabels = ImmutableSet.of( |
| 651 | 2000 |
| 652 | ); |
| 653 | // Enable filtering of the reservation |
| 654 | this.resourceService.filterAssignment = true; |
| 655 | // We test the behavior for MPLS |
| 656 | allocation = this.allocator.assignLabelToLinks( |
| 657 | ImmutableSet.copyOf(links.subList(2, 3)), |
| 658 | IntentId.valueOf(idGenerator.getNewId()), |
| 659 | EncapsulationType.MPLS); |
| 660 | id = allocation.get(LinkKey.linkKey(d3p0, d2p1)); |
| 661 | assertThat(id, instanceOf(MplsLabel.class)); |
| 662 | MplsLabel mplsLabel = (MplsLabel) id; |
| 663 | assertTrue(0 <= mplsLabel.toInt() && mplsLabel.toInt() <= MplsLabel.MAX_MPLS); |
| 664 | // No labels are available, reservation is not possible |
| 665 | allocation = this.allocator.assignLabelToLinks( |
| 666 | ImmutableSet.copyOf(links.subList(1, 3)), |
| 667 | IntentId.valueOf(idGenerator.getNewId()), |
| 668 | EncapsulationType.MPLS); |
| 669 | id = allocation.get(LinkKey.linkKey(d1p1, d3p1)); |
| 670 | // value has to be null |
| 671 | assertNull(id); |
| 672 | id = allocation.get(LinkKey.linkKey(d3p0, d2p1)); |
| 673 | // value has to be null |
| 674 | assertNull(id); |
| 675 | |
| 676 | // Verify the first fit behavior with MIN optimization |
| 677 | this.allocator.setLabelSelection(firstFit); |
| 678 | assertThat(this.allocator.getLabelSelection(), instanceOf(FirstFitSelection.class)); |
| 679 | // Change to MIN_SWAP |
| 680 | this.allocator.setOptLabelSelection(minswap); |
| 681 | assertEquals(this.allocator.getOptLabelSelection(), LabelAllocator.OptimizationBehavior.MIN_SWAP); |
| 682 | // We change the available Ids |
| 683 | this.resourceService.availableVlanLabels = ImmutableSet.of( |
| 684 | (short) 11 |
| 685 | ); |
| 686 | // Enable filtering of the reservation |
| 687 | this.resourceService.filterAssignment = true; |
| 688 | // We test the behavior for VLAN |
| 689 | allocation = this.allocator.assignLabelToLinks( |
| 690 | ImmutableSet.copyOf(links.subList(2, 3)), |
| 691 | IntentId.valueOf(idGenerator.getNewId()), |
| 692 | EncapsulationType.VLAN); |
| 693 | id = allocation.get(LinkKey.linkKey(d3p0, d2p1)); |
| 694 | assertThat(id, instanceOf(VlanId.class)); |
| 695 | label = (VlanId) id; |
| 696 | assertTrue(VlanId.NO_VID < label.toShort() && label.toShort() < VlanId.MAX_VLAN); |
| 697 | // No labels are available, reservation is not possible |
| 698 | allocation = this.allocator.assignLabelToLinks( |
| 699 | ImmutableSet.copyOf(links.subList(1, 3)), |
| 700 | IntentId.valueOf(idGenerator.getNewId()), |
| 701 | EncapsulationType.VLAN); |
| 702 | id = allocation.get(LinkKey.linkKey(d1p1, d3p1)); |
| 703 | // value has to be null |
| 704 | assertNull(id); |
| 705 | id = allocation.get(LinkKey.linkKey(d3p0, d2p1)); |
| 706 | // value has to be null |
| 707 | assertNull(id); |
| 708 | } |
Pier Ventre | f8543d8 | 2016-09-28 19:49:33 -0700 | [diff] [blame] | 709 | |
| 710 | } |