Thomas Vachuska | 58de416 | 2015-09-10 16:15:33 -0700 | [diff] [blame] | 1 | /* |
Brian O'Connor | a09fe5b | 2017-08-03 21:12:30 -0700 | [diff] [blame] | 2 | * Copyright 2015-present Open Networking Foundation |
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 | */ |
Brian O'Connor | 6de2e20 | 2015-05-21 14:30:41 -0700 | [diff] [blame] | 16 | package org.onosproject.incubator.net.resource.label.impl; |
jcc | de3e92e | 2015-03-28 01:40:44 -0700 | [diff] [blame] | 17 | |
Thomas Vachuska | 42e8cce | 2015-07-29 19:25:18 -0700 | [diff] [blame] | 18 | import com.google.common.collect.Multimap; |
Brian O'Connor | 6de2e20 | 2015-05-21 14:30:41 -0700 | [diff] [blame] | 19 | import org.onosproject.incubator.net.resource.label.LabelResource; |
| 20 | import org.onosproject.incubator.net.resource.label.LabelResourceAdminService; |
| 21 | import org.onosproject.incubator.net.resource.label.LabelResourceDelegate; |
| 22 | import org.onosproject.incubator.net.resource.label.LabelResourceEvent; |
| 23 | import org.onosproject.incubator.net.resource.label.LabelResourceId; |
| 24 | import org.onosproject.incubator.net.resource.label.LabelResourceListener; |
| 25 | import org.onosproject.incubator.net.resource.label.LabelResourcePool; |
| 26 | import org.onosproject.incubator.net.resource.label.LabelResourceProvider; |
| 27 | import org.onosproject.incubator.net.resource.label.LabelResourceProviderRegistry; |
| 28 | import org.onosproject.incubator.net.resource.label.LabelResourceProviderService; |
| 29 | import org.onosproject.incubator.net.resource.label.LabelResourceService; |
| 30 | import org.onosproject.incubator.net.resource.label.LabelResourceStore; |
Thomas Vachuska | 42e8cce | 2015-07-29 19:25:18 -0700 | [diff] [blame] | 31 | import org.onosproject.net.Device; |
| 32 | import org.onosproject.net.DeviceId; |
| 33 | import org.onosproject.net.device.DeviceEvent; |
| 34 | import org.onosproject.net.device.DeviceEvent.Type; |
| 35 | import org.onosproject.net.device.DeviceListener; |
| 36 | import org.onosproject.net.device.DeviceService; |
Ray Milkey | d84f89b | 2018-08-17 14:54:17 -0700 | [diff] [blame] | 37 | import org.onosproject.net.provider.AbstractListenerProviderRegistry; |
Thomas Vachuska | 42e8cce | 2015-07-29 19:25:18 -0700 | [diff] [blame] | 38 | import org.onosproject.net.provider.AbstractProviderService; |
Ray Milkey | d84f89b | 2018-08-17 14:54:17 -0700 | [diff] [blame] | 39 | import org.osgi.service.component.annotations.Activate; |
| 40 | import org.osgi.service.component.annotations.Component; |
| 41 | import org.osgi.service.component.annotations.Deactivate; |
| 42 | import org.osgi.service.component.annotations.Reference; |
| 43 | import org.osgi.service.component.annotations.ReferenceCardinality; |
jcc | de3e92e | 2015-03-28 01:40:44 -0700 | [diff] [blame] | 44 | import org.slf4j.Logger; |
jcc | de3e92e | 2015-03-28 01:40:44 -0700 | [diff] [blame] | 45 | |
Thomas Vachuska | 42e8cce | 2015-07-29 19:25:18 -0700 | [diff] [blame] | 46 | import java.util.Collection; |
| 47 | import java.util.Set; |
| 48 | |
| 49 | import static com.google.common.base.Preconditions.checkArgument; |
| 50 | import static com.google.common.base.Preconditions.checkNotNull; |
| 51 | import static org.slf4j.LoggerFactory.getLogger; |
jcc | de3e92e | 2015-03-28 01:40:44 -0700 | [diff] [blame] | 52 | |
| 53 | /** |
| 54 | * provides implementation of the label resource NB & SB APIs. |
| 55 | * |
| 56 | */ |
Ray Milkey | 86ad7bb | 2018-09-27 12:32:28 -0700 | [diff] [blame] | 57 | @Component(immediate = true, |
| 58 | service = {LabelResourceService.class, LabelResourceAdminService.class, LabelResourceProviderRegistry.class}) |
jcc | de3e92e | 2015-03-28 01:40:44 -0700 | [diff] [blame] | 59 | public class LabelResourceManager |
Thomas Vachuska | 42e8cce | 2015-07-29 19:25:18 -0700 | [diff] [blame] | 60 | extends AbstractListenerProviderRegistry<LabelResourceEvent, LabelResourceListener, |
| 61 | LabelResourceProvider, LabelResourceProviderService> |
| 62 | implements LabelResourceService, LabelResourceAdminService, LabelResourceProviderRegistry { |
jcc | de3e92e | 2015-03-28 01:40:44 -0700 | [diff] [blame] | 63 | private final Logger log = getLogger(getClass()); |
| 64 | private final LabelResourceDelegate delegate = new InternalLabelResourceDelegate(); |
| 65 | |
Ray Milkey | d84f89b | 2018-08-17 14:54:17 -0700 | [diff] [blame] | 66 | @Reference(cardinality = ReferenceCardinality.MANDATORY) |
jcc | de3e92e | 2015-03-28 01:40:44 -0700 | [diff] [blame] | 67 | protected LabelResourceStore store; |
| 68 | |
Ray Milkey | d84f89b | 2018-08-17 14:54:17 -0700 | [diff] [blame] | 69 | @Reference(cardinality = ReferenceCardinality.MANDATORY) |
jcc | de3e92e | 2015-03-28 01:40:44 -0700 | [diff] [blame] | 70 | protected DeviceService deviceService; |
| 71 | |
| 72 | private DeviceListener deviceListener = new InternalDeviceListener(); |
| 73 | |
| 74 | @Activate |
| 75 | public void activate() { |
| 76 | store.setDelegate(delegate); |
| 77 | eventDispatcher.addSink(LabelResourceEvent.class, listenerRegistry); |
| 78 | deviceService.addListener(deviceListener); |
| 79 | log.info("Started"); |
| 80 | |
| 81 | } |
| 82 | |
| 83 | @Deactivate |
| 84 | public void deactivate() { |
| 85 | deviceService.removeListener(deviceListener); |
| 86 | store.unsetDelegate(delegate); |
| 87 | eventDispatcher.removeSink(LabelResourceEvent.class); |
| 88 | log.info("Stopped"); |
| 89 | } |
| 90 | |
| 91 | @Override |
| 92 | public boolean createDevicePool(DeviceId deviceId, |
| 93 | LabelResourceId beginLabel, |
| 94 | LabelResourceId endLabel) { |
| 95 | checkNotNull(deviceId, "deviceId is not null"); |
| 96 | checkNotNull(beginLabel, "beginLabel is not null"); |
samuel | f7f8cd4 | 2015-08-06 10:38:32 +0800 | [diff] [blame] | 97 | checkNotNull(endLabel, "endLabel is not null"); |
samuel | 7a5691a | 2015-05-23 00:36:32 +0800 | [diff] [blame] | 98 | checkArgument(beginLabel.labelId() >= 0 || endLabel.labelId() >= 0, |
jcc | de3e92e | 2015-03-28 01:40:44 -0700 | [diff] [blame] | 99 | "The value of beginLabel and the value of endLabel must be both positive number."); |
samuel | f7f8cd4 | 2015-08-06 10:38:32 +0800 | [diff] [blame] | 100 | checkArgument(beginLabel.labelId() < endLabel.labelId(), |
| 101 | "The value of endLabel must be greater than the value of beginLabel."); |
jcc | de3e92e | 2015-03-28 01:40:44 -0700 | [diff] [blame] | 102 | return store.createDevicePool(deviceId, beginLabel, endLabel); |
| 103 | } |
| 104 | |
| 105 | @Override |
| 106 | public boolean createGlobalPool(LabelResourceId beginLabel, |
| 107 | LabelResourceId endLabel) { |
| 108 | checkNotNull(beginLabel, "beginLabel is not null"); |
samuel | f7f8cd4 | 2015-08-06 10:38:32 +0800 | [diff] [blame] | 109 | checkNotNull(endLabel, "endLabel is not null"); |
samuel | 7a5691a | 2015-05-23 00:36:32 +0800 | [diff] [blame] | 110 | checkArgument(beginLabel.labelId() >= 0 && endLabel.labelId() >= 0, |
Thomas Vachuska | 42e8cce | 2015-07-29 19:25:18 -0700 | [diff] [blame] | 111 | "The value of beginLabel and the value of endLabel must be both positive number."); |
samuel | f7f8cd4 | 2015-08-06 10:38:32 +0800 | [diff] [blame] | 112 | checkArgument(beginLabel.labelId() < endLabel.labelId(), |
| 113 | "The value of endLabel must be greater than the value of beginLabel."); |
jcc | de3e92e | 2015-03-28 01:40:44 -0700 | [diff] [blame] | 114 | return store.createGlobalPool(beginLabel, endLabel); |
| 115 | } |
| 116 | |
| 117 | @Override |
| 118 | public boolean destroyDevicePool(DeviceId deviceId) { |
| 119 | checkNotNull(deviceId, "deviceId is not null"); |
| 120 | return store.destroyDevicePool(deviceId); |
| 121 | } |
| 122 | |
| 123 | @Override |
| 124 | public boolean destroyGlobalPool() { |
| 125 | return store.destroyGlobalPool(); |
| 126 | } |
| 127 | |
| 128 | @Override |
| 129 | public Collection<LabelResource> applyFromDevicePool(DeviceId deviceId, |
| 130 | long applyNum) { |
| 131 | checkNotNull(deviceId, "deviceId is not null"); |
jcc | de3e92e | 2015-03-28 01:40:44 -0700 | [diff] [blame] | 132 | return store.applyFromDevicePool(deviceId, applyNum); |
| 133 | } |
| 134 | |
| 135 | @Override |
| 136 | public Collection<LabelResource> applyFromGlobalPool(long applyNum) { |
jcc | de3e92e | 2015-03-28 01:40:44 -0700 | [diff] [blame] | 137 | return store.applyFromGlobalPool(applyNum); |
| 138 | } |
| 139 | |
| 140 | @Override |
| 141 | public boolean releaseToDevicePool(Multimap<DeviceId, LabelResource> release) { |
| 142 | checkNotNull(release, "release is not null"); |
| 143 | return store.releaseToDevicePool(release); |
| 144 | } |
| 145 | |
| 146 | @Override |
| 147 | public boolean releaseToGlobalPool(Set<LabelResourceId> release) { |
| 148 | checkNotNull(release, "release is not null"); |
| 149 | return store.releaseToGlobalPool(release); |
| 150 | } |
| 151 | |
| 152 | @Override |
| 153 | public boolean isDevicePoolFull(DeviceId deviceId) { |
| 154 | checkNotNull(deviceId, "deviceId is not null"); |
| 155 | return store.isDevicePoolFull(deviceId); |
| 156 | } |
| 157 | |
| 158 | @Override |
| 159 | public boolean isGlobalPoolFull() { |
| 160 | return store.isGlobalPoolFull(); |
| 161 | } |
| 162 | |
| 163 | @Override |
| 164 | public long getFreeNumOfDevicePool(DeviceId deviceId) { |
| 165 | checkNotNull(deviceId, "deviceId is not null"); |
| 166 | return store.getFreeNumOfDevicePool(deviceId); |
| 167 | } |
| 168 | |
| 169 | @Override |
| 170 | public long getFreeNumOfGlobalPool() { |
| 171 | return store.getFreeNumOfGlobalPool(); |
| 172 | } |
| 173 | |
| 174 | @Override |
| 175 | public LabelResourcePool getDeviceLabelResourcePool(DeviceId deviceId) { |
| 176 | checkNotNull(deviceId, "deviceId is not null"); |
| 177 | return store.getDeviceLabelResourcePool(deviceId); |
| 178 | } |
| 179 | |
| 180 | @Override |
| 181 | public LabelResourcePool getGlobalLabelResourcePool() { |
| 182 | return store.getGlobalLabelResourcePool(); |
| 183 | } |
| 184 | |
Thomas Vachuska | 42e8cce | 2015-07-29 19:25:18 -0700 | [diff] [blame] | 185 | private class InternalLabelResourceDelegate implements LabelResourceDelegate { |
jcc | de3e92e | 2015-03-28 01:40:44 -0700 | [diff] [blame] | 186 | @Override |
| 187 | public void notify(LabelResourceEvent event) { |
| 188 | post(event); |
| 189 | } |
| 190 | |
| 191 | } |
| 192 | |
| 193 | private class InternalDeviceListener implements DeviceListener { |
jcc | de3e92e | 2015-03-28 01:40:44 -0700 | [diff] [blame] | 194 | @Override |
| 195 | public void event(DeviceEvent event) { |
| 196 | Device device = event.subject(); |
| 197 | if (Type.DEVICE_REMOVED.equals(event.type())) { |
| 198 | destroyDevicePool(device.id()); |
| 199 | } |
| 200 | } |
| 201 | } |
| 202 | |
| 203 | private class InternalLabelResourceProviderService |
| 204 | extends AbstractProviderService<LabelResourceProvider> |
| 205 | implements LabelResourceProviderService { |
| 206 | |
| 207 | protected InternalLabelResourceProviderService(LabelResourceProvider provider) { |
| 208 | super(provider); |
| 209 | } |
| 210 | |
| 211 | @Override |
| 212 | public void deviceLabelResourcePoolDetected(DeviceId deviceId, |
| 213 | LabelResourceId beginLabel, |
| 214 | LabelResourceId endLabel) { |
| 215 | checkNotNull(deviceId, "deviceId is not null"); |
| 216 | checkNotNull(beginLabel, "beginLabel is not null"); |
| 217 | checkNotNull(endLabel, "endLabel is not null"); |
| 218 | createDevicePool(deviceId, beginLabel, endLabel); |
| 219 | } |
| 220 | |
| 221 | @Override |
| 222 | public void deviceLabelResourcePoolDestroyed(DeviceId deviceId) { |
| 223 | checkNotNull(deviceId, "deviceId is not null"); |
| 224 | destroyDevicePool(deviceId); |
| 225 | } |
| 226 | |
| 227 | } |
| 228 | |
| 229 | @Override |
| 230 | protected LabelResourceProviderService createProviderService(LabelResourceProvider provider) { |
| 231 | return new InternalLabelResourceProviderService(provider); |
| 232 | } |
| 233 | } |