diff options
Diffstat (limited to 'framework/src/onos/core/store/dist/src/main/java/org/onosproject/store/statistic/impl/DistributedStatisticStore.java')
| -rw-r--r-- | framework/src/onos/core/store/dist/src/main/java/org/onosproject/store/statistic/impl/DistributedStatisticStore.java | 317 |
1 files changed, 0 insertions, 317 deletions
diff --git a/framework/src/onos/core/store/dist/src/main/java/org/onosproject/store/statistic/impl/DistributedStatisticStore.java b/framework/src/onos/core/store/dist/src/main/java/org/onosproject/store/statistic/impl/DistributedStatisticStore.java deleted file mode 100644 index 35bdad14..00000000 --- a/framework/src/onos/core/store/dist/src/main/java/org/onosproject/store/statistic/impl/DistributedStatisticStore.java +++ /dev/null @@ -1,317 +0,0 @@ -/* - * Copyright 2014-2015 Open Networking Laboratory - * - * 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.store.statistic.impl; - -import com.google.common.collect.Sets; - -import org.apache.felix.scr.annotations.Activate; -import org.apache.felix.scr.annotations.Component; -import org.apache.felix.scr.annotations.Deactivate; -import org.apache.felix.scr.annotations.Reference; -import org.apache.felix.scr.annotations.ReferenceCardinality; -import org.apache.felix.scr.annotations.Service; -import org.onlab.util.KryoNamespace; -import org.onlab.util.Tools; -import org.onosproject.cluster.ClusterService; -import org.onosproject.cluster.NodeId; -import org.onosproject.mastership.MastershipService; -import org.onosproject.net.ConnectPoint; -import org.onosproject.net.DeviceId; -import org.onosproject.net.PortNumber; -import org.onosproject.net.flow.FlowEntry; -import org.onosproject.net.flow.FlowRule; -import org.onosproject.net.flow.instructions.Instruction; -import org.onosproject.net.flow.instructions.Instructions; -import org.onosproject.net.statistic.StatisticStore; -import org.onosproject.store.cluster.messaging.ClusterCommunicationService; -import org.onosproject.store.serializers.KryoNamespaces; -import org.onosproject.store.serializers.KryoSerializer; -import org.slf4j.Logger; - -import java.util.Collections; -import java.util.HashSet; -import java.util.Map; -import java.util.Set; -import java.util.concurrent.ConcurrentHashMap; -import java.util.concurrent.ExecutorService; -import java.util.concurrent.Executors; -import java.util.concurrent.TimeUnit; -import java.util.concurrent.atomic.AtomicInteger; - -import static org.onlab.util.Tools.groupedThreads; -import static org.onosproject.store.statistic.impl.StatisticStoreMessageSubjects.GET_CURRENT; -import static org.onosproject.store.statistic.impl.StatisticStoreMessageSubjects.GET_PREVIOUS; -import static org.slf4j.LoggerFactory.getLogger; - - -/** - * Maintains statistics using RPC calls to collect stats from remote instances - * on demand. - */ -@Component(immediate = true) -@Service -public class DistributedStatisticStore implements StatisticStore { - - private final Logger log = getLogger(getClass()); - - // TODO: Make configurable. - private static final int MESSAGE_HANDLER_THREAD_POOL_SIZE = 4; - - @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) - protected MastershipService mastershipService; - - @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) - protected ClusterCommunicationService clusterCommunicator; - - @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) - protected ClusterService clusterService; - - private Map<ConnectPoint, InternalStatisticRepresentation> representations = - new ConcurrentHashMap<>(); - - private Map<ConnectPoint, Set<FlowEntry>> previous = - new ConcurrentHashMap<>(); - - private Map<ConnectPoint, Set<FlowEntry>> current = - new ConcurrentHashMap<>(); - - protected static final KryoSerializer SERIALIZER = new KryoSerializer() { - @Override - protected void setupKryoPool() { - serializerPool = KryoNamespace.newBuilder() - .register(KryoNamespaces.API) - .nextId(KryoNamespaces.BEGIN_USER_CUSTOM_ID) - // register this store specific classes here - .build(); - } - }; - - private ExecutorService messageHandlingExecutor; - - private static final long STATISTIC_STORE_TIMEOUT_MILLIS = 3000; - - @Activate - public void activate() { - - messageHandlingExecutor = Executors.newFixedThreadPool( - MESSAGE_HANDLER_THREAD_POOL_SIZE, - groupedThreads("onos/store/statistic", "message-handlers")); - - clusterCommunicator.<ConnectPoint, Set<FlowEntry>>addSubscriber(GET_CURRENT, - SERIALIZER::decode, - this::getCurrentStatisticInternal, - SERIALIZER::encode, - messageHandlingExecutor); - - clusterCommunicator.<ConnectPoint, Set<FlowEntry>>addSubscriber(GET_PREVIOUS, - SERIALIZER::decode, - this::getPreviousStatisticInternal, - SERIALIZER::encode, - messageHandlingExecutor); - - log.info("Started"); - } - - @Deactivate - public void deactivate() { - clusterCommunicator.removeSubscriber(GET_PREVIOUS); - clusterCommunicator.removeSubscriber(GET_CURRENT); - messageHandlingExecutor.shutdown(); - log.info("Stopped"); - } - - @Override - public void prepareForStatistics(FlowRule rule) { - ConnectPoint cp = buildConnectPoint(rule); - if (cp == null) { - return; - } - InternalStatisticRepresentation rep; - synchronized (representations) { - rep = getOrCreateRepresentation(cp); - } - rep.prepare(); - } - - @Override - public synchronized void removeFromStatistics(FlowRule rule) { - ConnectPoint cp = buildConnectPoint(rule); - if (cp == null) { - return; - } - InternalStatisticRepresentation rep = representations.get(cp); - if (rep != null && rep.remove(rule)) { - updatePublishedStats(cp, Collections.emptySet()); - } - Set<FlowEntry> values = current.get(cp); - if (values != null) { - values.remove(rule); - } - values = previous.get(cp); - if (values != null) { - values.remove(rule); - } - - } - - @Override - public void addOrUpdateStatistic(FlowEntry rule) { - ConnectPoint cp = buildConnectPoint(rule); - if (cp == null) { - return; - } - InternalStatisticRepresentation rep = representations.get(cp); - if (rep != null && rep.submit(rule)) { - updatePublishedStats(cp, rep.get()); - } - } - - private synchronized void updatePublishedStats(ConnectPoint cp, - Set<FlowEntry> flowEntries) { - Set<FlowEntry> curr = current.get(cp); - if (curr == null) { - curr = new HashSet<>(); - } - previous.put(cp, curr); - current.put(cp, flowEntries); - - } - - @Override - public Set<FlowEntry> getCurrentStatistic(ConnectPoint connectPoint) { - final DeviceId deviceId = connectPoint.deviceId(); - NodeId master = mastershipService.getMasterFor(deviceId); - if (master == null) { - log.warn("No master for {}", deviceId); - return Collections.emptySet(); - } - if (master.equals(clusterService.getLocalNode().id())) { - return getCurrentStatisticInternal(connectPoint); - } else { - return Tools.futureGetOrElse(clusterCommunicator.sendAndReceive( - connectPoint, - GET_CURRENT, - SERIALIZER::encode, - SERIALIZER::decode, - master), - STATISTIC_STORE_TIMEOUT_MILLIS, - TimeUnit.MILLISECONDS, - Collections.emptySet()); - } - - } - - private synchronized Set<FlowEntry> getCurrentStatisticInternal(ConnectPoint connectPoint) { - return current.get(connectPoint); - } - - @Override - public Set<FlowEntry> getPreviousStatistic(ConnectPoint connectPoint) { - final DeviceId deviceId = connectPoint.deviceId(); - NodeId master = mastershipService.getMasterFor(deviceId); - if (master == null) { - log.warn("No master for {}", deviceId); - return Collections.emptySet(); - } - if (master.equals(clusterService.getLocalNode().id())) { - return getPreviousStatisticInternal(connectPoint); - } else { - return Tools.futureGetOrElse(clusterCommunicator.sendAndReceive( - connectPoint, - GET_PREVIOUS, - SERIALIZER::encode, - SERIALIZER::decode, - master), - STATISTIC_STORE_TIMEOUT_MILLIS, - TimeUnit.MILLISECONDS, - Collections.emptySet()); - } - } - - private synchronized Set<FlowEntry> getPreviousStatisticInternal(ConnectPoint connectPoint) { - return previous.get(connectPoint); - } - - private InternalStatisticRepresentation getOrCreateRepresentation(ConnectPoint cp) { - - if (representations.containsKey(cp)) { - return representations.get(cp); - } else { - InternalStatisticRepresentation rep = new InternalStatisticRepresentation(); - representations.put(cp, rep); - return rep; - } - - } - - private ConnectPoint buildConnectPoint(FlowRule rule) { - PortNumber port = getOutput(rule); - - if (port == null) { - return null; - } - ConnectPoint cp = new ConnectPoint(rule.deviceId(), port); - return cp; - } - - private PortNumber getOutput(FlowRule rule) { - for (Instruction i : rule.treatment().allInstructions()) { - if (i.type() == Instruction.Type.OUTPUT) { - Instructions.OutputInstruction out = (Instructions.OutputInstruction) i; - return out.port(); - } - if (i.type() == Instruction.Type.DROP) { - return PortNumber.P0; - } - } - return null; - } - - private class InternalStatisticRepresentation { - - private final AtomicInteger counter = new AtomicInteger(0); - private final Set<FlowEntry> rules = new HashSet<>(); - - public void prepare() { - counter.incrementAndGet(); - } - - public synchronized boolean remove(FlowRule rule) { - rules.remove(rule); - return counter.decrementAndGet() == 0; - } - - public synchronized boolean submit(FlowEntry rule) { - if (rules.contains(rule)) { - rules.remove(rule); - } - rules.add(rule); - if (counter.get() == 0) { - return true; - } else { - return counter.decrementAndGet() == 0; - } - } - - public synchronized Set<FlowEntry> get() { - counter.set(rules.size()); - return Sets.newHashSet(rules); - } - - - } - -} |