| /* |
| * Copyright 2017-present Open Networking Foundation |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package org.onosproject.incubator.store.virtual.impl; |
| |
| import com.google.common.collect.Collections2; |
| import com.google.common.collect.Maps; |
| import org.apache.felix.scr.annotations.Activate; |
| import org.apache.felix.scr.annotations.Deactivate; |
| import org.apache.felix.scr.annotations.Reference; |
| import org.apache.felix.scr.annotations.ReferenceCardinality; |
| import org.onosproject.cluster.ClusterService; |
| import org.onosproject.cluster.NodeId; |
| import org.onosproject.incubator.net.virtual.NetworkId; |
| import org.onosproject.incubator.net.virtual.VirtualNetworkMeterStore; |
| import org.onosproject.incubator.store.meter.impl.MeterData; |
| import org.onosproject.net.DeviceId; |
| import org.onosproject.net.meter.DefaultMeter; |
| import org.onosproject.net.meter.Meter; |
| import org.onosproject.net.meter.MeterEvent; |
| import org.onosproject.net.meter.MeterFailReason; |
| import org.onosproject.net.meter.MeterFeatures; |
| import org.onosproject.net.meter.MeterFeaturesKey; |
| import org.onosproject.net.meter.MeterKey; |
| import org.onosproject.net.meter.MeterOperation; |
| import org.onosproject.net.meter.MeterStoreDelegate; |
| import org.onosproject.net.meter.MeterStoreResult; |
| import org.onosproject.store.service.StorageException; |
| import org.slf4j.Logger; |
| |
| import java.util.Collection; |
| import java.util.concurrent.CompletableFuture; |
| import java.util.concurrent.ConcurrentHashMap; |
| import java.util.concurrent.ConcurrentMap; |
| |
| import static org.onosproject.net.meter.MeterFailReason.TIMEOUT; |
| import static org.slf4j.LoggerFactory.getLogger; |
| |
| /** |
| * Implementation of the virtual meter store for a single instance. |
| */ |
| //TODO: support distributed meter store for virtual networks |
| |
| public class SimpleVirtualMeterStore |
| extends AbstractVirtualStore<MeterEvent, MeterStoreDelegate> |
| implements VirtualNetworkMeterStore { |
| |
| private Logger log = getLogger(getClass()); |
| |
| @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| protected ClusterService clusterService; |
| |
| private ConcurrentMap<NetworkId, ConcurrentMap<MeterKey, MeterData>> meterMap = |
| Maps.newConcurrentMap(); |
| |
| private NodeId local; |
| |
| private ConcurrentMap<NetworkId, ConcurrentMap<MeterFeaturesKey, MeterFeatures>> |
| meterFeatureMap = Maps.newConcurrentMap(); |
| |
| private ConcurrentMap<NetworkId, |
| ConcurrentMap<MeterKey, CompletableFuture<MeterStoreResult>>> futuresMap = |
| Maps.newConcurrentMap(); |
| |
| @Activate |
| public void activate() { |
| log.info("Started"); |
| local = clusterService.getLocalNode().id(); |
| } |
| |
| @Deactivate |
| public void deactivate() { |
| log.info("Stopped"); |
| } |
| |
| private ConcurrentMap<MeterKey, MeterData> getMetersByNetwork(NetworkId networkId) { |
| meterMap.computeIfAbsent(networkId, m -> new ConcurrentHashMap<>()); |
| return meterMap.get(networkId); |
| } |
| |
| private ConcurrentMap<MeterFeaturesKey, MeterFeatures> |
| getMeterFeaturesByNetwork(NetworkId networkId) { |
| meterFeatureMap.computeIfAbsent(networkId, f -> new ConcurrentHashMap<>()); |
| return meterFeatureMap.get(networkId); |
| } |
| |
| private ConcurrentMap<MeterKey, CompletableFuture<MeterStoreResult>> |
| getFuturesByNetwork(NetworkId networkId) { |
| futuresMap.computeIfAbsent(networkId, f -> new ConcurrentHashMap<>()); |
| return futuresMap.get(networkId); |
| } |
| |
| @Override |
| public CompletableFuture<MeterStoreResult> storeMeter(NetworkId networkId, Meter meter) { |
| |
| ConcurrentMap<MeterKey, MeterData> meters = getMetersByNetwork(networkId); |
| |
| ConcurrentMap<MeterKey, CompletableFuture<MeterStoreResult>> futures = |
| getFuturesByNetwork(networkId); |
| |
| CompletableFuture<MeterStoreResult> future = new CompletableFuture<>(); |
| MeterKey key = MeterKey.key(meter.deviceId(), meter.id()); |
| futures.put(key, future); |
| MeterData data = new MeterData(meter, null, local); |
| |
| try { |
| meters.put(key, data); |
| } catch (StorageException e) { |
| future.completeExceptionally(e); |
| } |
| |
| return future; |
| } |
| |
| @Override |
| public CompletableFuture<MeterStoreResult> deleteMeter(NetworkId networkId, Meter meter) { |
| ConcurrentMap<MeterKey, MeterData> meters = getMetersByNetwork(networkId); |
| |
| ConcurrentMap<MeterKey, CompletableFuture<MeterStoreResult>> futures = |
| getFuturesByNetwork(networkId); |
| |
| CompletableFuture<MeterStoreResult> future = new CompletableFuture<>(); |
| MeterKey key = MeterKey.key(meter.deviceId(), meter.id()); |
| futures.put(key, future); |
| |
| MeterData data = new MeterData(meter, null, local); |
| |
| // update the state of the meter. It will be pruned by observing |
| // that it has been removed from the dataplane. |
| try { |
| if (meters.computeIfPresent(key, (k, v) -> data) == null) { |
| future.complete(MeterStoreResult.success()); |
| } |
| } catch (StorageException e) { |
| future.completeExceptionally(e); |
| } |
| |
| return future; |
| } |
| |
| @Override |
| public MeterStoreResult storeMeterFeatures(NetworkId networkId, MeterFeatures meterfeatures) { |
| ConcurrentMap<MeterFeaturesKey, MeterFeatures> meterFeatures |
| = getMeterFeaturesByNetwork(networkId); |
| |
| MeterStoreResult result = MeterStoreResult.success(); |
| MeterFeaturesKey key = MeterFeaturesKey.key(meterfeatures.deviceId()); |
| try { |
| meterFeatures.putIfAbsent(key, meterfeatures); |
| } catch (StorageException e) { |
| result = MeterStoreResult.fail(TIMEOUT); |
| } |
| return result; |
| } |
| |
| @Override |
| public MeterStoreResult deleteMeterFeatures(NetworkId networkId, DeviceId deviceId) { |
| ConcurrentMap<MeterFeaturesKey, MeterFeatures> meterFeatures |
| = getMeterFeaturesByNetwork(networkId); |
| |
| MeterStoreResult result = MeterStoreResult.success(); |
| MeterFeaturesKey key = MeterFeaturesKey.key(deviceId); |
| try { |
| meterFeatures.remove(key); |
| } catch (StorageException e) { |
| result = MeterStoreResult.fail(TIMEOUT); |
| } |
| return result; |
| } |
| |
| @Override |
| public CompletableFuture<MeterStoreResult> updateMeter(NetworkId networkId, Meter meter) { |
| ConcurrentMap<MeterKey, MeterData> meters = getMetersByNetwork(networkId); |
| ConcurrentMap<MeterKey, CompletableFuture<MeterStoreResult>> futures = |
| getFuturesByNetwork(networkId); |
| |
| CompletableFuture<MeterStoreResult> future = new CompletableFuture<>(); |
| MeterKey key = MeterKey.key(meter.deviceId(), meter.id()); |
| futures.put(key, future); |
| |
| MeterData data = new MeterData(meter, null, local); |
| try { |
| if (meters.computeIfPresent(key, (k, v) -> data) == null) { |
| future.complete(MeterStoreResult.fail(MeterFailReason.INVALID_METER)); |
| } |
| } catch (StorageException e) { |
| future.completeExceptionally(e); |
| } |
| return future; |
| } |
| |
| @Override |
| public void updateMeterState(NetworkId networkId, Meter meter) { |
| ConcurrentMap<MeterKey, MeterData> meters = getMetersByNetwork(networkId); |
| |
| MeterKey key = MeterKey.key(meter.deviceId(), meter.id()); |
| meters.computeIfPresent(key, (k, v) -> { |
| DefaultMeter m = (DefaultMeter) v.meter(); |
| m.setState(meter.state()); |
| m.setProcessedPackets(meter.packetsSeen()); |
| m.setProcessedBytes(meter.bytesSeen()); |
| m.setLife(meter.life()); |
| // TODO: Prune if drops to zero. |
| m.setReferenceCount(meter.referenceCount()); |
| return new MeterData(m, null, v.origin()); |
| }); |
| } |
| |
| @Override |
| public Meter getMeter(NetworkId networkId, MeterKey key) { |
| ConcurrentMap<MeterKey, MeterData> meters = getMetersByNetwork(networkId); |
| |
| MeterData data = meters.get(key); |
| return data == null ? null : data.meter(); |
| } |
| |
| @Override |
| public Collection<Meter> getAllMeters(NetworkId networkId) { |
| ConcurrentMap<MeterKey, MeterData> meters = getMetersByNetwork(networkId); |
| |
| return Collections2.transform(meters.values(), MeterData::meter); |
| } |
| |
| @Override |
| public void failedMeter(NetworkId networkId, MeterOperation op, MeterFailReason reason) { |
| ConcurrentMap<MeterKey, MeterData> meters = getMetersByNetwork(networkId); |
| |
| MeterKey key = MeterKey.key(op.meter().deviceId(), op.meter().id()); |
| meters.computeIfPresent(key, (k, v) -> |
| new MeterData(v.meter(), reason, v.origin())); |
| } |
| |
| @Override |
| public void deleteMeterNow(NetworkId networkId, Meter m) { |
| ConcurrentMap<MeterKey, MeterData> meters = getMetersByNetwork(networkId); |
| ConcurrentMap<MeterKey, CompletableFuture<MeterStoreResult>> futures = |
| getFuturesByNetwork(networkId); |
| |
| MeterKey key = MeterKey.key(m.deviceId(), m.id()); |
| futures.remove(key); |
| meters.remove(key); |
| } |
| |
| @Override |
| public long getMaxMeters(NetworkId networkId, MeterFeaturesKey key) { |
| ConcurrentMap<MeterFeaturesKey, MeterFeatures> meterFeatures |
| = getMeterFeaturesByNetwork(networkId); |
| |
| MeterFeatures features = meterFeatures.get(key); |
| return features == null ? 0L : features.maxMeter(); |
| } |
| } |