alshabib | 1d2bc40 | 2015-07-31 17:04:11 -0700 | [diff] [blame] | 1 | /* |
| 2 | * Copyright 2015 Open Networking Laboratory |
| 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.incubator.net.meter.impl; |
| 17 | |
| 18 | import org.apache.felix.scr.annotations.Activate; |
| 19 | import org.apache.felix.scr.annotations.Component; |
| 20 | import org.apache.felix.scr.annotations.Deactivate; |
| 21 | import org.apache.felix.scr.annotations.Reference; |
| 22 | import org.apache.felix.scr.annotations.ReferenceCardinality; |
| 23 | import org.apache.felix.scr.annotations.Service; |
alshabib | eadfc8e | 2015-08-18 15:40:46 -0700 | [diff] [blame] | 24 | import org.onlab.util.TriConsumer; |
alshabib | 7bb0501 | 2015-08-05 10:15:09 -0700 | [diff] [blame] | 25 | import org.onosproject.incubator.net.meter.DefaultMeter; |
alshabib | 1d2bc40 | 2015-07-31 17:04:11 -0700 | [diff] [blame] | 26 | import org.onosproject.incubator.net.meter.Meter; |
| 27 | import org.onosproject.incubator.net.meter.MeterEvent; |
| 28 | import org.onosproject.incubator.net.meter.MeterFailReason; |
| 29 | import org.onosproject.incubator.net.meter.MeterId; |
| 30 | import org.onosproject.incubator.net.meter.MeterListener; |
| 31 | import org.onosproject.incubator.net.meter.MeterOperation; |
| 32 | import org.onosproject.incubator.net.meter.MeterProvider; |
| 33 | import org.onosproject.incubator.net.meter.MeterProviderRegistry; |
| 34 | import org.onosproject.incubator.net.meter.MeterProviderService; |
| 35 | import org.onosproject.incubator.net.meter.MeterService; |
alshabib | 7bb0501 | 2015-08-05 10:15:09 -0700 | [diff] [blame] | 36 | import org.onosproject.incubator.net.meter.MeterState; |
| 37 | import org.onosproject.incubator.net.meter.MeterStore; |
alshabib | 1d2bc40 | 2015-07-31 17:04:11 -0700 | [diff] [blame] | 38 | import org.onosproject.incubator.net.meter.MeterStoreDelegate; |
alshabib | eadfc8e | 2015-08-18 15:40:46 -0700 | [diff] [blame] | 39 | import org.onosproject.incubator.net.meter.MeterStoreResult; |
alshabib | 1d2bc40 | 2015-07-31 17:04:11 -0700 | [diff] [blame] | 40 | import org.onosproject.net.DeviceId; |
| 41 | import org.onosproject.net.provider.AbstractListenerProviderRegistry; |
| 42 | import org.onosproject.net.provider.AbstractProviderService; |
| 43 | import org.onosproject.store.service.AtomicCounter; |
| 44 | import org.onosproject.store.service.StorageService; |
| 45 | import org.slf4j.Logger; |
| 46 | |
| 47 | import java.util.Collection; |
| 48 | |
| 49 | import static org.slf4j.LoggerFactory.getLogger; |
| 50 | |
| 51 | |
| 52 | /** |
| 53 | * Provides implementation of the meter service APIs. |
| 54 | */ |
| 55 | @Component(immediate = true) |
| 56 | @Service |
| 57 | public class MeterManager extends AbstractListenerProviderRegistry<MeterEvent, MeterListener, |
| 58 | MeterProvider, MeterProviderService> |
| 59 | implements MeterService, MeterProviderRegistry { |
| 60 | |
| 61 | private final String meterIdentifier = "meter-id-counter"; |
| 62 | private final Logger log = getLogger(getClass()); |
| 63 | private final MeterStoreDelegate delegate = new InternalMeterStoreDelegate(); |
| 64 | |
| 65 | @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| 66 | protected StorageService storageService; |
| 67 | |
alshabib | 7bb0501 | 2015-08-05 10:15:09 -0700 | [diff] [blame] | 68 | @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| 69 | MeterStore store; |
| 70 | |
alshabib | 1d2bc40 | 2015-07-31 17:04:11 -0700 | [diff] [blame] | 71 | private AtomicCounter meterIdCounter; |
| 72 | |
alshabib | eadfc8e | 2015-08-18 15:40:46 -0700 | [diff] [blame] | 73 | private TriConsumer<MeterOperation, MeterStoreResult, Throwable> onComplete; |
| 74 | |
alshabib | 1d2bc40 | 2015-07-31 17:04:11 -0700 | [diff] [blame] | 75 | @Activate |
| 76 | public void activate() { |
| 77 | meterIdCounter = storageService.atomicCounterBuilder() |
| 78 | .withName(meterIdentifier) |
| 79 | .build(); |
alshabib | eadfc8e | 2015-08-18 15:40:46 -0700 | [diff] [blame] | 80 | |
| 81 | onComplete = (op, result, error) -> |
| 82 | { |
| 83 | op.context().ifPresent(c -> { |
| 84 | if (error != null) { |
| 85 | c.onError(op.meter(), MeterFailReason.UNKNOWN); |
| 86 | } else { |
| 87 | if (result.reason().isPresent()) { |
| 88 | c.onError(op.meter(), result.reason().get()); |
| 89 | } else { |
| 90 | c.onSuccess(op.meter()); |
| 91 | } |
| 92 | } |
| 93 | }); |
| 94 | |
| 95 | }; |
alshabib | 1d2bc40 | 2015-07-31 17:04:11 -0700 | [diff] [blame] | 96 | log.info("Started"); |
| 97 | } |
| 98 | |
| 99 | @Deactivate |
| 100 | public void deactivate() { |
| 101 | log.info("Stopped"); |
| 102 | } |
| 103 | |
| 104 | @Override |
| 105 | protected MeterProviderService createProviderService(MeterProvider provider) { |
| 106 | return new InternalMeterProviderService(provider); |
| 107 | } |
| 108 | |
| 109 | @Override |
alshabib | eadfc8e | 2015-08-18 15:40:46 -0700 | [diff] [blame] | 110 | public void addMeter(MeterOperation op) { |
| 111 | DefaultMeter m = (DefaultMeter) op.meter(); |
alshabib | 7bb0501 | 2015-08-05 10:15:09 -0700 | [diff] [blame] | 112 | m.setState(MeterState.PENDING_ADD); |
alshabib | eadfc8e | 2015-08-18 15:40:46 -0700 | [diff] [blame] | 113 | store.storeMeter(m).whenComplete((result, error) -> |
| 114 | onComplete.accept(op, result, error)); |
alshabib | 1d2bc40 | 2015-07-31 17:04:11 -0700 | [diff] [blame] | 115 | } |
| 116 | |
| 117 | @Override |
alshabib | eadfc8e | 2015-08-18 15:40:46 -0700 | [diff] [blame] | 118 | public void updateMeter(MeterOperation op) { |
| 119 | DefaultMeter m = (DefaultMeter) op.meter(); |
alshabib | 7bb0501 | 2015-08-05 10:15:09 -0700 | [diff] [blame] | 120 | m.setState(MeterState.PENDING_ADD); |
alshabib | eadfc8e | 2015-08-18 15:40:46 -0700 | [diff] [blame] | 121 | store.updateMeter(m).whenComplete((result, error) -> |
| 122 | onComplete.accept(op, result, error)); |
alshabib | 1d2bc40 | 2015-07-31 17:04:11 -0700 | [diff] [blame] | 123 | } |
| 124 | |
| 125 | @Override |
alshabib | eadfc8e | 2015-08-18 15:40:46 -0700 | [diff] [blame] | 126 | public void removeMeter(MeterOperation op) { |
| 127 | DefaultMeter m = (DefaultMeter) op.meter(); |
alshabib | 7bb0501 | 2015-08-05 10:15:09 -0700 | [diff] [blame] | 128 | m.setState(MeterState.PENDING_REMOVE); |
alshabib | eadfc8e | 2015-08-18 15:40:46 -0700 | [diff] [blame] | 129 | store.deleteMeter(m).whenComplete((result, error) -> |
| 130 | onComplete.accept(op, result, error)); |
alshabib | 1d2bc40 | 2015-07-31 17:04:11 -0700 | [diff] [blame] | 131 | } |
| 132 | |
| 133 | @Override |
| 134 | public Meter getMeter(MeterId id) { |
alshabib | 7bb0501 | 2015-08-05 10:15:09 -0700 | [diff] [blame] | 135 | return store.getMeter(id); |
alshabib | 1d2bc40 | 2015-07-31 17:04:11 -0700 | [diff] [blame] | 136 | } |
| 137 | |
| 138 | @Override |
| 139 | public MeterId allocateMeterId() { |
| 140 | // FIXME: This will break one day. |
| 141 | return MeterId.meterId((int) meterIdCounter.getAndIncrement()); |
| 142 | } |
| 143 | |
| 144 | private class InternalMeterProviderService |
| 145 | extends AbstractProviderService<MeterProvider> |
| 146 | implements MeterProviderService { |
| 147 | |
| 148 | /** |
| 149 | * Creates a provider service on behalf of the specified provider. |
| 150 | * |
| 151 | * @param provider provider to which this service is being issued |
| 152 | */ |
| 153 | protected InternalMeterProviderService(MeterProvider provider) { |
| 154 | super(provider); |
| 155 | } |
| 156 | |
| 157 | @Override |
alshabib | 7bb0501 | 2015-08-05 10:15:09 -0700 | [diff] [blame] | 158 | public void meterOperationFailed(MeterOperation operation, |
| 159 | MeterFailReason reason) { |
| 160 | store.failedMeter(operation, reason); |
alshabib | 1d2bc40 | 2015-07-31 17:04:11 -0700 | [diff] [blame] | 161 | } |
| 162 | |
| 163 | @Override |
| 164 | public void pushMeterMetrics(DeviceId deviceId, Collection<Meter> meterEntries) { |
alshabib | 7bb0501 | 2015-08-05 10:15:09 -0700 | [diff] [blame] | 165 | meterEntries.forEach(m -> store.updateMeterState(m)); |
alshabib | 1d2bc40 | 2015-07-31 17:04:11 -0700 | [diff] [blame] | 166 | } |
| 167 | } |
| 168 | |
| 169 | private class InternalMeterStoreDelegate implements MeterStoreDelegate { |
| 170 | |
| 171 | @Override |
| 172 | public void notify(MeterEvent event) { |
alshabib | eadfc8e | 2015-08-18 15:40:46 -0700 | [diff] [blame] | 173 | DeviceId deviceId = event.subject().deviceId(); |
| 174 | MeterProvider p = getProvider(event.subject().deviceId()); |
alshabib | 7bb0501 | 2015-08-05 10:15:09 -0700 | [diff] [blame] | 175 | switch (event.type()) { |
alshabib | eadfc8e | 2015-08-18 15:40:46 -0700 | [diff] [blame] | 176 | case METER_ADD_REQ: |
| 177 | p.performMeterOperation(deviceId, new MeterOperation(event.subject(), |
| 178 | MeterOperation.Type.ADD, |
| 179 | null)); |
alshabib | 7bb0501 | 2015-08-05 10:15:09 -0700 | [diff] [blame] | 180 | break; |
alshabib | eadfc8e | 2015-08-18 15:40:46 -0700 | [diff] [blame] | 181 | case METER_REM_REQ: |
| 182 | p.performMeterOperation(deviceId, new MeterOperation(event.subject(), |
| 183 | MeterOperation.Type.REMOVE, |
| 184 | null)); |
alshabib | 7bb0501 | 2015-08-05 10:15:09 -0700 | [diff] [blame] | 185 | break; |
| 186 | default: |
| 187 | log.warn("Unknown meter event {}", event.type()); |
| 188 | } |
alshabib | 1d2bc40 | 2015-07-31 17:04:11 -0700 | [diff] [blame] | 189 | |
| 190 | } |
| 191 | } |
| 192 | |
| 193 | } |