Andrea Campanella | cbbb795 | 2019-11-25 06:38:41 +0000 | [diff] [blame] | 1 | /* |
| 2 | * Copyright 2016-present Open Networking Foundation |
| 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.opencord.olt.impl; |
| 17 | |
Saurav Das | f62cea8 | 2020-08-26 17:43:04 -0700 | [diff] [blame] | 18 | import static java.util.stream.Collectors.collectingAndThen; |
| 19 | import static java.util.stream.Collectors.groupingBy; |
| 20 | import static java.util.stream.Collectors.mapping; |
| 21 | import static java.util.stream.Collectors.toSet; |
| 22 | import static org.onlab.util.Tools.groupedThreads; |
| 23 | import static org.opencord.olt.impl.OsgiPropertyConstants.DELETE_METERS; |
| 24 | import static org.opencord.olt.impl.OsgiPropertyConstants.DELETE_METERS_DEFAULT; |
| 25 | import static org.slf4j.LoggerFactory.getLogger; |
| 26 | |
| 27 | import java.util.ArrayList; |
| 28 | import java.util.Collection; |
| 29 | import java.util.Dictionary; |
| 30 | import java.util.HashMap; |
| 31 | import java.util.HashSet; |
| 32 | import java.util.List; |
| 33 | import java.util.Map; |
| 34 | import java.util.Optional; |
| 35 | import java.util.Properties; |
| 36 | import java.util.Set; |
| 37 | import java.util.concurrent.CompletableFuture; |
| 38 | import java.util.concurrent.ExecutorService; |
| 39 | import java.util.concurrent.Executors; |
| 40 | import java.util.concurrent.atomic.AtomicInteger; |
| 41 | import java.util.concurrent.atomic.AtomicReference; |
| 42 | import java.util.stream.Collectors; |
| 43 | |
Jonathan Hart | 4f178fa | 2020-02-03 10:46:01 -0800 | [diff] [blame] | 44 | import org.onlab.util.KryoNamespace; |
Andrea Campanella | cbbb795 | 2019-11-25 06:38:41 +0000 | [diff] [blame] | 45 | import org.onlab.util.Tools; |
| 46 | import org.onosproject.cfg.ComponentConfigService; |
| 47 | import org.onosproject.core.ApplicationId; |
| 48 | import org.onosproject.core.CoreService; |
| 49 | import org.onosproject.net.DeviceId; |
| 50 | import org.onosproject.net.flowobjective.ObjectiveError; |
| 51 | import org.onosproject.net.meter.Band; |
| 52 | import org.onosproject.net.meter.DefaultBand; |
| 53 | import org.onosproject.net.meter.DefaultMeterRequest; |
| 54 | import org.onosproject.net.meter.Meter; |
| 55 | import org.onosproject.net.meter.MeterContext; |
| 56 | import org.onosproject.net.meter.MeterEvent; |
| 57 | import org.onosproject.net.meter.MeterFailReason; |
| 58 | import org.onosproject.net.meter.MeterId; |
| 59 | import org.onosproject.net.meter.MeterKey; |
| 60 | import org.onosproject.net.meter.MeterListener; |
| 61 | import org.onosproject.net.meter.MeterRequest; |
| 62 | import org.onosproject.net.meter.MeterService; |
Jonathan Hart | 4f178fa | 2020-02-03 10:46:01 -0800 | [diff] [blame] | 63 | import org.onosproject.store.serializers.KryoNamespaces; |
| 64 | import org.onosproject.store.service.ConsistentMultimap; |
| 65 | import org.onosproject.store.service.Serializer; |
| 66 | import org.onosproject.store.service.StorageService; |
Andrea Campanella | cbbb795 | 2019-11-25 06:38:41 +0000 | [diff] [blame] | 67 | import org.opencord.olt.internalapi.AccessDeviceMeterService; |
| 68 | import org.opencord.sadis.BandwidthProfileInformation; |
| 69 | import org.osgi.service.component.ComponentContext; |
| 70 | import org.osgi.service.component.annotations.Activate; |
| 71 | import org.osgi.service.component.annotations.Component; |
| 72 | import org.osgi.service.component.annotations.Deactivate; |
| 73 | import org.osgi.service.component.annotations.Modified; |
| 74 | import org.osgi.service.component.annotations.Reference; |
| 75 | import org.osgi.service.component.annotations.ReferenceCardinality; |
| 76 | import org.slf4j.Logger; |
| 77 | |
Saurav Das | f62cea8 | 2020-08-26 17:43:04 -0700 | [diff] [blame] | 78 | import com.google.common.collect.ImmutableMap; |
| 79 | import com.google.common.collect.ImmutableSet; |
| 80 | import com.google.common.collect.Maps; |
Andrea Campanella | cbbb795 | 2019-11-25 06:38:41 +0000 | [diff] [blame] | 81 | |
| 82 | /** |
| 83 | * Provisions Meters on access devices. |
| 84 | */ |
| 85 | @Component(immediate = true, property = { |
| 86 | DELETE_METERS + ":Boolean=" + DELETE_METERS_DEFAULT, |
| 87 | }) |
| 88 | public class OltMeterService implements AccessDeviceMeterService { |
| 89 | |
| 90 | @Reference(cardinality = ReferenceCardinality.MANDATORY) |
| 91 | protected MeterService meterService; |
| 92 | |
| 93 | @Reference(cardinality = ReferenceCardinality.MANDATORY) |
| 94 | protected CoreService coreService; |
| 95 | |
| 96 | @Reference(cardinality = ReferenceCardinality.MANDATORY) |
| 97 | protected ComponentConfigService componentConfigService; |
| 98 | |
Jonathan Hart | 4f178fa | 2020-02-03 10:46:01 -0800 | [diff] [blame] | 99 | @Reference(cardinality = ReferenceCardinality.MANDATORY) |
| 100 | protected StorageService storageService; |
| 101 | |
Saurav Das | f62cea8 | 2020-08-26 17:43:04 -0700 | [diff] [blame] | 102 | /** |
| 103 | * Delete meters when reference count drops to zero. |
| 104 | */ |
| 105 | protected boolean deleteMeters = DELETE_METERS_DEFAULT; |
Andrea Campanella | cbbb795 | 2019-11-25 06:38:41 +0000 | [diff] [blame] | 106 | |
Andrea Campanella | cbbb795 | 2019-11-25 06:38:41 +0000 | [diff] [blame] | 107 | private ApplicationId appId; |
| 108 | private static final String APP_NAME = "org.opencord.olt"; |
| 109 | |
| 110 | private final MeterListener meterListener = new InternalMeterListener(); |
| 111 | |
| 112 | private final Logger log = getLogger(getClass()); |
| 113 | |
| 114 | protected ExecutorService eventExecutor; |
| 115 | |
Andrea Campanella | 600d2e2 | 2020-06-22 11:00:31 +0200 | [diff] [blame] | 116 | private Map<DeviceId, Set<BandwidthProfileInformation>> pendingMeters; |
| 117 | private Map<DeviceId, Map<MeterKey, AtomicInteger>> pendingRemoveMeters; |
| 118 | ConsistentMultimap<String, MeterKey> bpInfoToMeter; |
Andrea Campanella | 3ce4d28 | 2020-06-09 13:46:58 +0200 | [diff] [blame] | 119 | |
Andrea Campanella | cbbb795 | 2019-11-25 06:38:41 +0000 | [diff] [blame] | 120 | @Activate |
| 121 | public void activate(ComponentContext context) { |
| 122 | eventExecutor = Executors.newFixedThreadPool(5, groupedThreads("onos/olt", |
| 123 | "events-%d", log)); |
| 124 | appId = coreService.registerApplication(APP_NAME); |
Jonathan Hart | 4f178fa | 2020-02-03 10:46:01 -0800 | [diff] [blame] | 125 | modified(context); |
| 126 | |
| 127 | KryoNamespace serializer = KryoNamespace.newBuilder() |
| 128 | .register(KryoNamespaces.API) |
| 129 | .register(MeterKey.class) |
| 130 | .build(); |
| 131 | |
| 132 | bpInfoToMeter = storageService.<String, MeterKey>consistentMultimapBuilder() |
| 133 | .withName("volt-bp-info-to-meter") |
| 134 | .withSerializer(Serializer.using(serializer)) |
| 135 | .withApplicationId(appId) |
| 136 | .build(); |
| 137 | |
Andrea Campanella | cbbb795 | 2019-11-25 06:38:41 +0000 | [diff] [blame] | 138 | meterService.addListener(meterListener); |
| 139 | componentConfigService.registerProperties(getClass()); |
Andrea Campanella | 600d2e2 | 2020-06-22 11:00:31 +0200 | [diff] [blame] | 140 | pendingMeters = Maps.newConcurrentMap(); |
| 141 | pendingRemoveMeters = Maps.newConcurrentMap(); |
Andrea Campanella | cbbb795 | 2019-11-25 06:38:41 +0000 | [diff] [blame] | 142 | log.info("Olt Meter service started"); |
| 143 | } |
| 144 | |
| 145 | @Deactivate |
| 146 | public void deactivate() { |
| 147 | meterService.removeListener(meterListener); |
| 148 | } |
| 149 | |
| 150 | |
| 151 | @Modified |
| 152 | public void modified(ComponentContext context) { |
| 153 | Dictionary<?, ?> properties = context != null ? context.getProperties() : new Properties(); |
| 154 | |
| 155 | Boolean d = Tools.isPropertyEnabled(properties, "deleteMeters"); |
| 156 | if (d != null) { |
| 157 | deleteMeters = d; |
| 158 | } |
| 159 | } |
| 160 | |
| 161 | @Override |
| 162 | public ImmutableMap<String, Collection<MeterKey>> getBpMeterMappings() { |
Jonathan Hart | 4f178fa | 2020-02-03 10:46:01 -0800 | [diff] [blame] | 163 | return bpInfoToMeter.stream() |
| 164 | .collect(collectingAndThen( |
| 165 | groupingBy(Map.Entry::getKey, mapping(Map.Entry::getValue, toSet())), |
| 166 | ImmutableMap::copyOf)); |
Andrea Campanella | cbbb795 | 2019-11-25 06:38:41 +0000 | [diff] [blame] | 167 | } |
| 168 | |
Matteo Scandolo | 19b56f6 | 2020-10-29 13:29:21 -0700 | [diff] [blame^] | 169 | boolean addMeterIdToBpMapping(DeviceId deviceId, MeterId meterId, String bandwidthProfile) { |
Andrea Campanella | 0c3309d | 2020-05-29 01:51:18 -0700 | [diff] [blame] | 170 | log.debug("adding bp {} to meter {} mapping for device {}", |
| 171 | bandwidthProfile, meterId, deviceId); |
Matteo Scandolo | 19b56f6 | 2020-10-29 13:29:21 -0700 | [diff] [blame^] | 172 | return bpInfoToMeter.put(bandwidthProfile, MeterKey.key(deviceId, meterId)); |
Andrea Campanella | cbbb795 | 2019-11-25 06:38:41 +0000 | [diff] [blame] | 173 | } |
| 174 | |
| 175 | @Override |
| 176 | public MeterId getMeterIdFromBpMapping(DeviceId deviceId, String bandwidthProfile) { |
Jonathan Hart | 4f178fa | 2020-02-03 10:46:01 -0800 | [diff] [blame] | 177 | if (bpInfoToMeter.get(bandwidthProfile).value().isEmpty()) { |
Andrea Campanella | cbbb795 | 2019-11-25 06:38:41 +0000 | [diff] [blame] | 178 | log.warn("Bandwidth Profile '{}' is not currently mapped to a meter", |
| 179 | bandwidthProfile); |
| 180 | return null; |
| 181 | } |
| 182 | |
Jonathan Hart | 4f178fa | 2020-02-03 10:46:01 -0800 | [diff] [blame] | 183 | Optional<? extends MeterKey> meterKeyForDevice = bpInfoToMeter.get(bandwidthProfile).value() |
Andrea Campanella | cbbb795 | 2019-11-25 06:38:41 +0000 | [diff] [blame] | 184 | .stream() |
| 185 | .filter(meterKey -> meterKey.deviceId().equals(deviceId)) |
| 186 | .findFirst(); |
| 187 | if (meterKeyForDevice.isPresent()) { |
Matteo Scandolo | 19b56f6 | 2020-10-29 13:29:21 -0700 | [diff] [blame^] | 188 | log.debug("Found meter {} for bandwidth profile {} on {}", |
| 189 | meterKeyForDevice.get().meterId(), bandwidthProfile, deviceId); |
Andrea Campanella | cbbb795 | 2019-11-25 06:38:41 +0000 | [diff] [blame] | 190 | return meterKeyForDevice.get().meterId(); |
| 191 | } else { |
Matteo Scandolo | 19b56f6 | 2020-10-29 13:29:21 -0700 | [diff] [blame^] | 192 | log.warn("Bandwidth Profile '{}' is not currently mapped to a meter on {} , {}", |
| 193 | bandwidthProfile, deviceId, bpInfoToMeter.get(bandwidthProfile).value()); |
Andrea Campanella | cbbb795 | 2019-11-25 06:38:41 +0000 | [diff] [blame] | 194 | return null; |
| 195 | } |
| 196 | } |
| 197 | |
| 198 | @Override |
| 199 | public ImmutableSet<MeterKey> getProgMeters() { |
Jonathan Hart | 4f178fa | 2020-02-03 10:46:01 -0800 | [diff] [blame] | 200 | return bpInfoToMeter.stream() |
| 201 | .map(Map.Entry::getValue) |
| 202 | .collect(ImmutableSet.toImmutableSet()); |
Andrea Campanella | cbbb795 | 2019-11-25 06:38:41 +0000 | [diff] [blame] | 203 | } |
| 204 | |
| 205 | @Override |
| 206 | public MeterId createMeter(DeviceId deviceId, BandwidthProfileInformation bpInfo, |
| 207 | CompletableFuture<Object> meterFuture) { |
Saurav Das | f62cea8 | 2020-08-26 17:43:04 -0700 | [diff] [blame] | 208 | log.debug("Creating meter on {} for {}", deviceId, bpInfo); |
Andrea Campanella | cbbb795 | 2019-11-25 06:38:41 +0000 | [diff] [blame] | 209 | if (bpInfo == null) { |
Matteo Scandolo | 19b56f6 | 2020-10-29 13:29:21 -0700 | [diff] [blame^] | 210 | log.warn("Requested bandwidth profile on {} information is NULL", deviceId); |
Andrea Campanella | cbbb795 | 2019-11-25 06:38:41 +0000 | [diff] [blame] | 211 | meterFuture.complete(ObjectiveError.BADPARAMS); |
| 212 | return null; |
| 213 | } |
| 214 | |
| 215 | MeterId meterId = getMeterIdFromBpMapping(deviceId, bpInfo.id()); |
| 216 | if (meterId != null) { |
| 217 | log.debug("Meter {} was previously created for bp {}", meterId, bpInfo.id()); |
| 218 | meterFuture.complete(null); |
| 219 | return meterId; |
| 220 | } |
| 221 | |
| 222 | List<Band> meterBands = createMeterBands(bpInfo); |
| 223 | |
| 224 | final AtomicReference<MeterId> meterIdRef = new AtomicReference<>(); |
| 225 | MeterRequest meterRequest = DefaultMeterRequest.builder() |
| 226 | .withBands(meterBands) |
| 227 | .withUnit(Meter.Unit.KB_PER_SEC) |
| 228 | .withContext(new MeterContext() { |
| 229 | @Override |
| 230 | public void onSuccess(MeterRequest op) { |
Matteo Scandolo | 19b56f6 | 2020-10-29 13:29:21 -0700 | [diff] [blame^] | 231 | log.debug("Meter {} for {} is installed on the device {}", |
| 232 | meterIdRef.get(), bpInfo.id(), deviceId); |
| 233 | boolean added = addMeterIdToBpMapping(deviceId, meterIdRef.get(), bpInfo.id()); |
| 234 | if (added) { |
| 235 | meterFuture.complete(null); |
| 236 | } else { |
| 237 | log.error("Failed to add Meter {} for {} on {} to the meter-bandwidth mapping", |
| 238 | meterIdRef.get(), bpInfo.id(), deviceId); |
| 239 | meterFuture.complete(ObjectiveError.UNKNOWN); |
| 240 | } |
Andrea Campanella | cbbb795 | 2019-11-25 06:38:41 +0000 | [diff] [blame] | 241 | } |
| 242 | |
| 243 | @Override |
| 244 | public void onError(MeterRequest op, MeterFailReason reason) { |
Andrea Campanella | c727a37 | 2020-06-09 17:34:38 +0200 | [diff] [blame] | 245 | log.error("Failed installing meter {} on {} for {}", |
| 246 | meterIdRef.get(), deviceId, bpInfo.id()); |
Andrea Campanella | cbbb795 | 2019-11-25 06:38:41 +0000 | [diff] [blame] | 247 | bpInfoToMeter.remove(bpInfo.id(), |
| 248 | MeterKey.key(deviceId, meterIdRef.get())); |
| 249 | meterFuture.complete(reason); |
| 250 | } |
| 251 | }) |
| 252 | .forDevice(deviceId) |
| 253 | .fromApp(appId) |
| 254 | .burst() |
| 255 | .add(); |
| 256 | |
| 257 | Meter meter = meterService.submit(meterRequest); |
| 258 | meterIdRef.set(meter.id()); |
Saurav Das | f62cea8 | 2020-08-26 17:43:04 -0700 | [diff] [blame] | 259 | log.info("Meter {} created and sent for installation on {} for {}", |
| 260 | meter.id(), deviceId, bpInfo); |
Andrea Campanella | cbbb795 | 2019-11-25 06:38:41 +0000 | [diff] [blame] | 261 | return meter.id(); |
| 262 | } |
| 263 | |
Jonathan Hart | 4f178fa | 2020-02-03 10:46:01 -0800 | [diff] [blame] | 264 | @Override |
Andrea Campanella | 600d2e2 | 2020-06-22 11:00:31 +0200 | [diff] [blame] | 265 | public void removeFromPendingMeters(DeviceId deviceId, BandwidthProfileInformation bwpInfo) { |
| 266 | if (deviceId == null) { |
| 267 | return; |
| 268 | } |
| 269 | pendingMeters.computeIfPresent(deviceId, (id, bwps) -> { |
| 270 | bwps.remove(bwpInfo); |
| 271 | return bwps; |
| 272 | }); |
Andrea Campanella | 3ce4d28 | 2020-06-09 13:46:58 +0200 | [diff] [blame] | 273 | } |
| 274 | |
| 275 | @Override |
Andrea Campanella | d1e2664 | 2020-10-23 12:08:32 +0200 | [diff] [blame] | 276 | public synchronized boolean checkAndAddPendingMeter(DeviceId deviceId, BandwidthProfileInformation bwpInfo) { |
| 277 | if (pendingMeters.containsKey(deviceId) |
| 278 | && pendingMeters.get(deviceId).contains(bwpInfo)) { |
Matteo Scandolo | 19b56f6 | 2020-10-29 13:29:21 -0700 | [diff] [blame^] | 279 | log.debug("Meter is already pending on {} with bp {}", |
Andrea Campanella | d1e2664 | 2020-10-23 12:08:32 +0200 | [diff] [blame] | 280 | deviceId, bwpInfo); |
Andrea Campanella | 600d2e2 | 2020-06-22 11:00:31 +0200 | [diff] [blame] | 281 | return false; |
| 282 | } |
Andrea Campanella | d1e2664 | 2020-10-23 12:08:32 +0200 | [diff] [blame] | 283 | log.debug("Adding bandwidth profile {} to pending on {}", |
| 284 | bwpInfo, deviceId); |
| 285 | pendingMeters.compute(deviceId, (id, bwps) -> { |
| 286 | if (bwps == null) { |
| 287 | bwps = new HashSet<>(); |
| 288 | } |
| 289 | bwps.add(bwpInfo); |
| 290 | return bwps; |
| 291 | }); |
| 292 | |
| 293 | return true; |
Andrea Campanella | 3ce4d28 | 2020-06-09 13:46:58 +0200 | [diff] [blame] | 294 | } |
| 295 | |
| 296 | @Override |
Jonathan Hart | 4f178fa | 2020-02-03 10:46:01 -0800 | [diff] [blame] | 297 | public void clearMeters(DeviceId deviceId) { |
Andrea Campanella | 65487ba | 2020-06-17 11:31:30 +0200 | [diff] [blame] | 298 | log.debug("Removing all meters for device {}", deviceId); |
Andrea Campanella | 600d2e2 | 2020-06-22 11:00:31 +0200 | [diff] [blame] | 299 | clearDeviceState(deviceId); |
Andrea Campanella | 65487ba | 2020-06-17 11:31:30 +0200 | [diff] [blame] | 300 | meterService.purgeMeters(deviceId); |
Jonathan Hart | 4f178fa | 2020-02-03 10:46:01 -0800 | [diff] [blame] | 301 | } |
| 302 | |
Andrea Campanella | 600d2e2 | 2020-06-22 11:00:31 +0200 | [diff] [blame] | 303 | @Override |
| 304 | public void clearDeviceState(DeviceId deviceId) { |
| 305 | log.info("Clearing local device state for {}", deviceId); |
| 306 | pendingRemoveMeters.remove(deviceId); |
| 307 | removeMetersFromBpMapping(deviceId); |
| 308 | //Following call handles cornercase of OLT delete during meter provisioning |
| 309 | pendingMeters.remove(deviceId); |
| 310 | } |
| 311 | |
Andrea Campanella | cbbb795 | 2019-11-25 06:38:41 +0000 | [diff] [blame] | 312 | private List<Band> createMeterBands(BandwidthProfileInformation bpInfo) { |
| 313 | List<Band> meterBands = new ArrayList<>(); |
| 314 | |
| 315 | meterBands.add(createMeterBand(bpInfo.committedInformationRate(), bpInfo.committedBurstSize())); |
| 316 | meterBands.add(createMeterBand(bpInfo.exceededInformationRate(), bpInfo.exceededBurstSize())); |
| 317 | meterBands.add(createMeterBand(bpInfo.assuredInformationRate(), 0L)); |
| 318 | |
| 319 | return meterBands; |
| 320 | } |
| 321 | |
| 322 | private Band createMeterBand(long rate, Long burst) { |
| 323 | return DefaultBand.builder() |
| 324 | .withRate(rate) //already Kbps |
| 325 | .burstSize(burst) // already Kbits |
| 326 | .ofType(Band.Type.DROP) // no matter |
| 327 | .build(); |
| 328 | } |
| 329 | |
Andrea Campanella | 600d2e2 | 2020-06-22 11:00:31 +0200 | [diff] [blame] | 330 | private void removeMeterFromBpMapping(MeterKey meterKey) { |
| 331 | List<Map.Entry<String, MeterKey>> meters = bpInfoToMeter.stream() |
| 332 | .filter(e -> e.getValue().equals(meterKey)) |
| 333 | .collect(Collectors.toList()); |
Andrea Campanella | cbbb795 | 2019-11-25 06:38:41 +0000 | [diff] [blame] | 334 | |
Andrea Campanella | 600d2e2 | 2020-06-22 11:00:31 +0200 | [diff] [blame] | 335 | meters.forEach(e -> bpInfoToMeter.remove(e.getKey(), e.getValue())); |
| 336 | } |
| 337 | |
| 338 | private void removeMetersFromBpMapping(DeviceId deviceId) { |
| 339 | List<Map.Entry<String, MeterKey>> meters = bpInfoToMeter.stream() |
| 340 | .filter(e -> e.getValue().deviceId().equals(deviceId)) |
| 341 | .collect(Collectors.toList()); |
| 342 | |
| 343 | meters.forEach(e -> bpInfoToMeter.remove(e.getKey(), e.getValue())); |
| 344 | } |
| 345 | |
| 346 | private class InternalMeterListener implements MeterListener { |
Andrea Campanella | cbbb795 | 2019-11-25 06:38:41 +0000 | [diff] [blame] | 347 | |
| 348 | @Override |
| 349 | public void event(MeterEvent meterEvent) { |
| 350 | eventExecutor.execute(() -> { |
| 351 | Meter meter = meterEvent.subject(); |
| 352 | if (meter == null) { |
| 353 | log.error("Meter in event {} is null", meterEvent); |
| 354 | return; |
| 355 | } |
| 356 | MeterKey key = MeterKey.key(meter.deviceId(), meter.id()); |
| 357 | if (deleteMeters && MeterEvent.Type.METER_REFERENCE_COUNT_ZERO.equals(meterEvent.type())) { |
Andrea Campanella | 600d2e2 | 2020-06-22 11:00:31 +0200 | [diff] [blame] | 358 | log.info("Zero Count Meter Event is received. Meter is {} on {}", |
| 359 | meter.id(), meter.deviceId()); |
| 360 | incrementMeterCount(meter.deviceId(), key); |
Andrea Campanella | cbbb795 | 2019-11-25 06:38:41 +0000 | [diff] [blame] | 361 | |
Andrea Campanella | 600d2e2 | 2020-06-22 11:00:31 +0200 | [diff] [blame] | 362 | if (appId.equals(meter.appId()) && pendingRemoveMeters.get(meter.deviceId()) |
| 363 | .get(key).get() == 3) { |
| 364 | log.info("Deleting unreferenced, no longer programmed Meter {} on {}", |
| 365 | meter.id(), meter.deviceId()); |
Andrea Campanella | cbbb795 | 2019-11-25 06:38:41 +0000 | [diff] [blame] | 366 | deleteMeter(meter.deviceId(), meter.id()); |
| 367 | } |
| 368 | } |
| 369 | if (MeterEvent.Type.METER_REMOVED.equals(meterEvent.type())) { |
Andrea Campanella | 600d2e2 | 2020-06-22 11:00:31 +0200 | [diff] [blame] | 370 | log.info("Meter Removed Event is received for {} on {}", |
| 371 | meter.id(), meter.deviceId()); |
| 372 | pendingRemoveMeters.computeIfPresent(meter.deviceId(), |
| 373 | (id, meters) -> { |
| 374 | if (meters.get(key) == null) { |
| 375 | log.info("Meters is not pending " + |
| 376 | "{} on {}", key, id); |
| 377 | return meters; |
| 378 | } |
| 379 | meters.remove(key); |
| 380 | return meters; |
| 381 | }); |
Andrea Campanella | cbbb795 | 2019-11-25 06:38:41 +0000 | [diff] [blame] | 382 | removeMeterFromBpMapping(key); |
| 383 | } |
| 384 | }); |
| 385 | } |
| 386 | |
Andrea Campanella | 600d2e2 | 2020-06-22 11:00:31 +0200 | [diff] [blame] | 387 | private void incrementMeterCount(DeviceId deviceId, MeterKey key) { |
Andrea Campanella | cbbb795 | 2019-11-25 06:38:41 +0000 | [diff] [blame] | 388 | if (key == null) { |
| 389 | return; |
| 390 | } |
Andrea Campanella | 600d2e2 | 2020-06-22 11:00:31 +0200 | [diff] [blame] | 391 | pendingRemoveMeters.compute(deviceId, |
| 392 | (id, meters) -> { |
| 393 | if (meters == null) { |
| 394 | meters = new HashMap<>(); |
| 395 | |
Andrea Campanella | cbbb795 | 2019-11-25 06:38:41 +0000 | [diff] [blame] | 396 | } |
Andrea Campanella | 600d2e2 | 2020-06-22 11:00:31 +0200 | [diff] [blame] | 397 | if (meters.get(key) == null) { |
| 398 | meters.put(key, new AtomicInteger(1)); |
| 399 | } |
| 400 | meters.get(key).addAndGet(1); |
| 401 | return meters; |
Andrea Campanella | cbbb795 | 2019-11-25 06:38:41 +0000 | [diff] [blame] | 402 | }); |
| 403 | } |
| 404 | |
| 405 | private void deleteMeter(DeviceId deviceId, MeterId meterId) { |
| 406 | Meter meter = meterService.getMeter(deviceId, meterId); |
| 407 | if (meter != null) { |
| 408 | MeterRequest meterRequest = DefaultMeterRequest.builder() |
| 409 | .withBands(meter.bands()) |
| 410 | .withUnit(meter.unit()) |
| 411 | .forDevice(deviceId) |
| 412 | .fromApp(appId) |
| 413 | .burst() |
| 414 | .remove(); |
| 415 | |
| 416 | meterService.withdraw(meterRequest, meterId); |
| 417 | } |
| 418 | } |
Andrea Campanella | cbbb795 | 2019-11-25 06:38:41 +0000 | [diff] [blame] | 419 | } |
| 420 | } |