| /* |
| * Copyright 2014-present 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.net.flow.impl; |
| |
| import com.google.common.collect.ArrayListMultimap; |
| import com.google.common.collect.Iterables; |
| import com.google.common.collect.Lists; |
| import com.google.common.collect.Maps; |
| import com.google.common.collect.Multimap; |
| 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.Modified; |
| import org.apache.felix.scr.annotations.Property; |
| 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.Tools; |
| import org.onosproject.cfg.ComponentConfigService; |
| import org.onosproject.core.ApplicationId; |
| import org.onosproject.core.CoreService; |
| import org.onosproject.core.IdGenerator; |
| import org.onosproject.mastership.MastershipService; |
| import org.onosproject.net.Device; |
| import org.onosproject.net.DeviceId; |
| import org.onosproject.net.device.DeviceEvent; |
| import org.onosproject.net.device.DeviceListener; |
| import org.onosproject.net.device.DeviceService; |
| import org.onosproject.net.flow.CompletedBatchOperation; |
| import org.onosproject.net.flow.DefaultFlowEntry; |
| import org.onosproject.net.flow.FlowEntry; |
| import org.onosproject.net.flow.FlowRule; |
| import org.onosproject.net.flow.FlowRuleBatchEntry; |
| import org.onosproject.net.flow.FlowRuleBatchEvent; |
| import org.onosproject.net.flow.FlowRuleBatchOperation; |
| import org.onosproject.net.flow.FlowRuleBatchRequest; |
| import org.onosproject.net.flow.FlowRuleEvent; |
| import org.onosproject.net.flow.FlowRuleListener; |
| import org.onosproject.net.flow.FlowRuleOperation; |
| import org.onosproject.net.flow.FlowRuleOperations; |
| import org.onosproject.net.flow.FlowRuleProvider; |
| import org.onosproject.net.flow.FlowRuleProviderRegistry; |
| import org.onosproject.net.flow.FlowRuleProviderService; |
| import org.onosproject.net.flow.FlowRuleService; |
| import org.onosproject.net.flow.FlowRuleStore; |
| import org.onosproject.net.flow.FlowRuleStoreDelegate; |
| import org.onosproject.net.flow.TableStatisticsEntry; |
| import org.onosproject.net.provider.AbstractListenerProviderRegistry; |
| import org.onosproject.net.provider.AbstractProviderService; |
| import org.osgi.service.component.ComponentContext; |
| import org.slf4j.Logger; |
| |
| import java.util.Collections; |
| import java.util.Dictionary; |
| import java.util.HashSet; |
| import java.util.List; |
| import java.util.Map; |
| import java.util.Set; |
| import java.util.concurrent.ConcurrentHashMap; |
| import java.util.concurrent.ExecutorService; |
| import java.util.concurrent.Executors; |
| |
| import static com.google.common.base.Preconditions.checkNotNull; |
| import static com.google.common.base.Strings.isNullOrEmpty; |
| import static org.onlab.util.Tools.get; |
| import static org.onlab.util.Tools.groupedThreads; |
| import static org.onosproject.net.flow.FlowRuleEvent.Type.RULE_ADD_REQUESTED; |
| import static org.onosproject.net.flow.FlowRuleEvent.Type.RULE_REMOVE_REQUESTED; |
| import static org.onosproject.security.AppGuard.checkPermission; |
| import static org.onosproject.security.AppPermission.Type.FLOWRULE_READ; |
| import static org.onosproject.security.AppPermission.Type.FLOWRULE_WRITE; |
| import static org.slf4j.LoggerFactory.getLogger; |
| |
| |
| |
| /** |
| * Provides implementation of the flow NB & SB APIs. |
| */ |
| @Component(immediate = true) |
| @Service |
| public class FlowRuleManager |
| extends AbstractListenerProviderRegistry<FlowRuleEvent, FlowRuleListener, |
| FlowRuleProvider, FlowRuleProviderService> |
| implements FlowRuleService, FlowRuleProviderRegistry { |
| |
| private final Logger log = getLogger(getClass()); |
| |
| public static final String FLOW_RULE_NULL = "FlowRule cannot be null"; |
| private static final boolean ALLOW_EXTRANEOUS_RULES = false; |
| |
| @Property(name = "allowExtraneousRules", boolValue = ALLOW_EXTRANEOUS_RULES, |
| label = "Allow flow rules in switch not installed by ONOS") |
| private boolean allowExtraneousRules = ALLOW_EXTRANEOUS_RULES; |
| |
| @Property(name = "purgeOnDisconnection", boolValue = false, |
| label = "Purge entries associated with a device when the device goes offline") |
| private boolean purgeOnDisconnection = false; |
| |
| private static final int DEFAULT_POLL_FREQUENCY = 30; |
| @Property(name = "fallbackFlowPollFrequency", intValue = DEFAULT_POLL_FREQUENCY, |
| label = "Frequency (in seconds) for polling flow statistics via fallback provider") |
| private int fallbackFlowPollFrequency = DEFAULT_POLL_FREQUENCY; |
| |
| private final FlowRuleStoreDelegate delegate = new InternalStoreDelegate(); |
| private final DeviceListener deviceListener = new InternalDeviceListener(); |
| |
| private final FlowRuleDriverProvider defaultProvider = new FlowRuleDriverProvider(); |
| |
| protected ExecutorService deviceInstallers = |
| Executors.newFixedThreadPool(32, groupedThreads("onos/flowservice", "device-installer-%d", log)); |
| |
| protected ExecutorService operationsService = |
| Executors.newFixedThreadPool(32, groupedThreads("onos/flowservice", "operations-%d", log)); |
| |
| private IdGenerator idGenerator; |
| |
| private final Map<Long, FlowOperationsProcessor> pendingFlowOperations = new ConcurrentHashMap<>(); |
| |
| @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| protected FlowRuleStore store; |
| |
| @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| protected DeviceService deviceService; |
| |
| @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| protected CoreService coreService; |
| |
| @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| protected MastershipService mastershipService; |
| |
| @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| protected ComponentConfigService cfgService; |
| |
| @Activate |
| public void activate(ComponentContext context) { |
| modified(context); |
| store.setDelegate(delegate); |
| eventDispatcher.addSink(FlowRuleEvent.class, listenerRegistry); |
| deviceService.addListener(deviceListener); |
| cfgService.registerProperties(getClass()); |
| idGenerator = coreService.getIdGenerator(FLOW_OP_TOPIC); |
| log.info("Started"); |
| } |
| |
| @Deactivate |
| public void deactivate() { |
| deviceService.removeListener(deviceListener); |
| cfgService.unregisterProperties(getClass(), false); |
| deviceInstallers.shutdownNow(); |
| operationsService.shutdownNow(); |
| store.unsetDelegate(delegate); |
| eventDispatcher.removeSink(FlowRuleEvent.class); |
| log.info("Stopped"); |
| } |
| |
| @Modified |
| public void modified(ComponentContext context) { |
| if (context != null) { |
| readComponentConfiguration(context); |
| } |
| defaultProvider.init(new InternalFlowRuleProviderService(defaultProvider), |
| deviceService, mastershipService, fallbackFlowPollFrequency); |
| } |
| |
| @Override |
| protected FlowRuleProvider defaultProvider() { |
| return defaultProvider; |
| } |
| |
| /** |
| * Extracts properties from the component configuration context. |
| * |
| * @param context the component context |
| */ |
| private void readComponentConfiguration(ComponentContext context) { |
| Dictionary<?, ?> properties = context.getProperties(); |
| Boolean flag; |
| |
| flag = Tools.isPropertyEnabled(properties, "allowExtraneousRules"); |
| if (flag == null) { |
| log.info("AllowExtraneousRules is not configured, " + |
| "using current value of {}", allowExtraneousRules); |
| } else { |
| allowExtraneousRules = flag; |
| log.info("Configured. AllowExtraneousRules is {}", |
| allowExtraneousRules ? "enabled" : "disabled"); |
| } |
| |
| flag = Tools.isPropertyEnabled(properties, "purgeOnDisconnection"); |
| if (flag == null) { |
| log.info("PurgeOnDisconnection is not configured, " + |
| "using current value of {}", purgeOnDisconnection); |
| } else { |
| purgeOnDisconnection = flag; |
| log.info("Configured. PurgeOnDisconnection is {}", |
| purgeOnDisconnection ? "enabled" : "disabled"); |
| } |
| |
| String s = get(properties, "fallbackFlowPollFrequency"); |
| try { |
| fallbackFlowPollFrequency = isNullOrEmpty(s) ? DEFAULT_POLL_FREQUENCY : Integer.parseInt(s); |
| } catch (NumberFormatException e) { |
| fallbackFlowPollFrequency = DEFAULT_POLL_FREQUENCY; |
| } |
| } |
| |
| @Override |
| public int getFlowRuleCount() { |
| checkPermission(FLOWRULE_READ); |
| return store.getFlowRuleCount(); |
| } |
| |
| @Override |
| public Iterable<FlowEntry> getFlowEntries(DeviceId deviceId) { |
| checkPermission(FLOWRULE_READ); |
| return store.getFlowEntries(deviceId); |
| } |
| |
| @Override |
| public void applyFlowRules(FlowRule... flowRules) { |
| checkPermission(FLOWRULE_WRITE); |
| |
| FlowRuleOperations.Builder builder = FlowRuleOperations.builder(); |
| for (FlowRule flowRule : flowRules) { |
| builder.add(flowRule); |
| } |
| apply(builder.build()); |
| } |
| |
| @Override |
| public void purgeFlowRules(DeviceId deviceId) { |
| checkPermission(FLOWRULE_WRITE); |
| store.purgeFlowRule(deviceId); |
| } |
| |
| @Override |
| public void removeFlowRules(FlowRule... flowRules) { |
| checkPermission(FLOWRULE_WRITE); |
| |
| FlowRuleOperations.Builder builder = FlowRuleOperations.builder(); |
| for (FlowRule flowRule : flowRules) { |
| builder.remove(flowRule); |
| } |
| apply(builder.build()); |
| } |
| |
| @Override |
| public void removeFlowRulesById(ApplicationId id) { |
| checkPermission(FLOWRULE_WRITE); |
| removeFlowRules(Iterables.toArray(getFlowRulesById(id), FlowRule.class)); |
| } |
| |
| @Override |
| public Iterable<FlowRule> getFlowRulesById(ApplicationId id) { |
| checkPermission(FLOWRULE_READ); |
| |
| Set<FlowRule> flowEntries = Sets.newHashSet(); |
| for (Device d : deviceService.getDevices()) { |
| for (FlowEntry flowEntry : store.getFlowEntries(d.id())) { |
| if (flowEntry.appId() == id.id()) { |
| flowEntries.add(flowEntry); |
| } |
| } |
| } |
| return flowEntries; |
| } |
| |
| @Override |
| public Iterable<FlowRule> getFlowRulesByGroupId(ApplicationId appId, short groupId) { |
| checkPermission(FLOWRULE_READ); |
| |
| Set<FlowRule> matches = Sets.newHashSet(); |
| long toLookUp = ((long) appId.id() << 16) | groupId; |
| for (Device d : deviceService.getDevices()) { |
| for (FlowEntry flowEntry : store.getFlowEntries(d.id())) { |
| if ((flowEntry.id().value() >>> 32) == toLookUp) { |
| matches.add(flowEntry); |
| } |
| } |
| } |
| return matches; |
| } |
| |
| @Override |
| public void apply(FlowRuleOperations ops) { |
| checkPermission(FLOWRULE_WRITE); |
| operationsService.execute(new FlowOperationsProcessor(ops)); |
| } |
| |
| @Override |
| protected FlowRuleProviderService createProviderService( |
| FlowRuleProvider provider) { |
| return new InternalFlowRuleProviderService(provider); |
| } |
| |
| private class InternalFlowRuleProviderService |
| extends AbstractProviderService<FlowRuleProvider> |
| implements FlowRuleProviderService { |
| |
| final Map<FlowEntry, Long> firstSeen = Maps.newConcurrentMap(); |
| final Map<FlowEntry, Long> lastSeen = Maps.newConcurrentMap(); |
| |
| |
| protected InternalFlowRuleProviderService(FlowRuleProvider provider) { |
| super(provider); |
| } |
| |
| @Override |
| public void flowRemoved(FlowEntry flowEntry) { |
| checkNotNull(flowEntry, FLOW_RULE_NULL); |
| checkValidity(); |
| lastSeen.remove(flowEntry); |
| firstSeen.remove(flowEntry); |
| FlowEntry stored = store.getFlowEntry(flowEntry); |
| if (stored == null) { |
| log.debug("Rule already evicted from store: {}", flowEntry); |
| return; |
| } |
| if (flowEntry.reason() == FlowEntry.FlowRemoveReason.HARD_TIMEOUT) { |
| ((DefaultFlowEntry) stored).setState(FlowEntry.FlowEntryState.REMOVED); |
| } |
| Device device = deviceService.getDevice(flowEntry.deviceId()); |
| FlowRuleProvider frp = getProvider(device.providerId()); |
| FlowRuleEvent event = null; |
| switch (stored.state()) { |
| case ADDED: |
| case PENDING_ADD: |
| frp.applyFlowRule(stored); |
| break; |
| case PENDING_REMOVE: |
| case REMOVED: |
| event = store.removeFlowRule(stored); |
| break; |
| default: |
| break; |
| |
| } |
| if (event != null) { |
| log.debug("Flow {} removed", flowEntry); |
| post(event); |
| } |
| } |
| |
| |
| private void flowMissing(FlowEntry flowRule) { |
| checkNotNull(flowRule, FLOW_RULE_NULL); |
| checkValidity(); |
| Device device = deviceService.getDevice(flowRule.deviceId()); |
| FlowRuleProvider frp = getProvider(device.providerId()); |
| FlowRuleEvent event = null; |
| switch (flowRule.state()) { |
| case PENDING_REMOVE: |
| case REMOVED: |
| event = store.removeFlowRule(flowRule); |
| break; |
| case ADDED: |
| case PENDING_ADD: |
| event = store.pendingFlowRule(flowRule); |
| try { |
| frp.applyFlowRule(flowRule); |
| } catch (UnsupportedOperationException e) { |
| log.warn(e.getMessage()); |
| if (flowRule instanceof DefaultFlowEntry) { |
| //FIXME modification of "stored" flow entry outside of store |
| ((DefaultFlowEntry) flowRule).setState(FlowEntry.FlowEntryState.FAILED); |
| } |
| } |
| break; |
| default: |
| log.debug("Flow {} has not been installed.", flowRule); |
| } |
| |
| if (event != null) { |
| log.debug("Flow {} removed", flowRule); |
| post(event); |
| } |
| } |
| |
| private void extraneousFlow(FlowRule flowRule) { |
| checkNotNull(flowRule, FLOW_RULE_NULL); |
| checkValidity(); |
| FlowRuleProvider frp = getProvider(flowRule.deviceId()); |
| frp.removeFlowRule(flowRule); |
| log.debug("Flow {} is on switch but not in store.", flowRule); |
| } |
| |
| private void flowAdded(FlowEntry flowEntry) { |
| checkNotNull(flowEntry, FLOW_RULE_NULL); |
| checkValidity(); |
| |
| if (checkRuleLiveness(flowEntry, store.getFlowEntry(flowEntry))) { |
| FlowRuleEvent event = store.addOrUpdateFlowRule(flowEntry); |
| if (event == null) { |
| log.debug("No flow store event generated."); |
| } else { |
| log.trace("Flow {} {}", flowEntry, event.type()); |
| post(event); |
| } |
| } else { |
| log.debug("Removing flow rules...."); |
| removeFlowRules(flowEntry); |
| } |
| } |
| |
| private boolean checkRuleLiveness(FlowEntry swRule, FlowEntry storedRule) { |
| if (storedRule == null) { |
| return false; |
| } |
| if (storedRule.isPermanent()) { |
| return true; |
| } |
| |
| final long timeout = storedRule.timeout() * 1000; |
| final long currentTime = System.currentTimeMillis(); |
| |
| // Checking flow with hardTimeout |
| if (storedRule.hardTimeout() != 0) { |
| if (!firstSeen.containsKey(storedRule)) { |
| // First time rule adding |
| firstSeen.put(storedRule, currentTime); |
| } else { |
| Long first = firstSeen.get(storedRule); |
| final long hardTimeout = storedRule.hardTimeout() * 1000; |
| if ((currentTime - first) > hardTimeout) { |
| return false; |
| } |
| } |
| } |
| |
| if (storedRule.packets() != swRule.packets()) { |
| lastSeen.put(storedRule, currentTime); |
| return true; |
| } |
| if (!lastSeen.containsKey(storedRule)) { |
| // checking for the first time |
| lastSeen.put(storedRule, storedRule.lastSeen()); |
| // Use following if lastSeen attr. was removed. |
| //lastSeen.put(storedRule, currentTime); |
| } |
| Long last = lastSeen.get(storedRule); |
| |
| // concurrently removed? let the liveness check fail |
| return last != null && (currentTime - last) <= timeout; |
| } |
| |
| @Override |
| public void pushFlowMetrics(DeviceId deviceId, Iterable<FlowEntry> flowEntries) { |
| pushFlowMetricsInternal(deviceId, flowEntries, true); |
| } |
| |
| @Override |
| public void pushFlowMetricsWithoutFlowMissing(DeviceId deviceId, Iterable<FlowEntry> flowEntries) { |
| pushFlowMetricsInternal(deviceId, flowEntries, false); |
| } |
| |
| private void pushFlowMetricsInternal(DeviceId deviceId, Iterable<FlowEntry> flowEntries, |
| boolean useMissingFlow) { |
| Map<FlowEntry, FlowEntry> storedRules = Maps.newHashMap(); |
| store.getFlowEntries(deviceId).forEach(f -> storedRules.put(f, f)); |
| |
| for (FlowEntry rule : flowEntries) { |
| try { |
| FlowEntry storedRule = storedRules.remove(rule); |
| if (storedRule != null) { |
| if (storedRule.exactMatch(rule)) { |
| // we both have the rule, let's update some info then. |
| flowAdded(rule); |
| } else { |
| // the two rules are not an exact match - remove the |
| // switch's rule and install our rule |
| extraneousFlow(rule); |
| flowMissing(storedRule); |
| } |
| } else { |
| // the device has a rule the store does not have |
| if (!allowExtraneousRules) { |
| extraneousFlow(rule); |
| } |
| } |
| } catch (Exception e) { |
| log.debug("Can't process added or extra rule {}", e.getMessage()); |
| } |
| } |
| |
| // DO NOT reinstall |
| if (useMissingFlow) { |
| for (FlowEntry rule : storedRules.keySet()) { |
| try { |
| // there are rules in the store that aren't on the switch |
| log.debug("Adding rule in store, but not on switch {}", rule); |
| flowMissing(rule); |
| } catch (Exception e) { |
| log.debug("Can't add missing flow rule:", e); |
| } |
| } |
| } |
| } |
| |
| @Override |
| public void batchOperationCompleted(long batchId, CompletedBatchOperation operation) { |
| store.batchOperationComplete(FlowRuleBatchEvent.completed( |
| new FlowRuleBatchRequest(batchId, Collections.emptySet()), |
| operation |
| )); |
| } |
| |
| @Override |
| public void pushTableStatistics(DeviceId deviceId, |
| List<TableStatisticsEntry> tableStats) { |
| store.updateTableStatistics(deviceId, tableStats); |
| } |
| } |
| |
| // Store delegate to re-post events emitted from the store. |
| private class InternalStoreDelegate implements FlowRuleStoreDelegate { |
| |
| |
| // TODO: Right now we only dispatch events at individual flowEntry level. |
| // It may be more efficient for also dispatch events as a batch. |
| @Override |
| public void notify(FlowRuleBatchEvent event) { |
| final FlowRuleBatchRequest request = event.subject(); |
| switch (event.type()) { |
| case BATCH_OPERATION_REQUESTED: |
| // Request has been forwarded to MASTER Node, and was |
| request.ops().forEach( |
| op -> { |
| switch (op.operator()) { |
| case ADD: |
| post(new FlowRuleEvent(RULE_ADD_REQUESTED, op.target())); |
| break; |
| case REMOVE: |
| post(new FlowRuleEvent(RULE_REMOVE_REQUESTED, op.target())); |
| break; |
| case MODIFY: |
| //TODO: do something here when the time comes. |
| break; |
| default: |
| log.warn("Unknown flow operation operator: {}", op.operator()); |
| } |
| } |
| ); |
| |
| DeviceId deviceId = event.deviceId(); |
| FlowRuleBatchOperation batchOperation = request.asBatchOperation(deviceId); |
| FlowRuleProvider flowRuleProvider = getProvider(deviceId); |
| if (flowRuleProvider != null) { |
| flowRuleProvider.executeBatch(batchOperation); |
| } |
| |
| break; |
| |
| case BATCH_OPERATION_COMPLETED: |
| |
| FlowOperationsProcessor fops = pendingFlowOperations.remove( |
| event.subject().batchId()); |
| if (event.result().isSuccess()) { |
| if (fops != null) { |
| fops.satisfy(event.deviceId()); |
| } |
| } else { |
| fops.fail(event.deviceId(), event.result().failedItems()); |
| } |
| |
| break; |
| |
| default: |
| break; |
| } |
| } |
| } |
| |
| private static FlowRuleBatchEntry.FlowRuleOperation mapOperationType(FlowRuleOperation.Type input) { |
| switch (input) { |
| case ADD: |
| return FlowRuleBatchEntry.FlowRuleOperation.ADD; |
| case MODIFY: |
| return FlowRuleBatchEntry.FlowRuleOperation.MODIFY; |
| case REMOVE: |
| return FlowRuleBatchEntry.FlowRuleOperation.REMOVE; |
| default: |
| throw new UnsupportedOperationException("Unknown flow rule type " + input); |
| } |
| } |
| |
| private class FlowOperationsProcessor implements Runnable { |
| // Immutable |
| private final FlowRuleOperations fops; |
| |
| // Mutable |
| private final List<Set<FlowRuleOperation>> stages; |
| private final Set<DeviceId> pendingDevices; |
| private boolean hasFailed = false; |
| |
| FlowOperationsProcessor(FlowRuleOperations ops) { |
| this.stages = Lists.newArrayList(ops.stages()); |
| this.fops = ops; |
| this.pendingDevices = new HashSet<>(); |
| } |
| |
| FlowOperationsProcessor(FlowOperationsProcessor src, boolean hasFailed) { |
| this.fops = src.fops; |
| this.stages = Lists.newArrayList(src.stages); |
| this.pendingDevices = new HashSet<>(src.pendingDevices); |
| this.hasFailed = hasFailed; |
| } |
| |
| @Override |
| public synchronized void run() { |
| if (stages.size() > 0) { |
| process(stages.remove(0)); |
| } else if (!hasFailed) { |
| fops.callback().onSuccess(fops); |
| } |
| } |
| |
| private void process(Set<FlowRuleOperation> ops) { |
| Multimap<DeviceId, FlowRuleBatchEntry> perDeviceBatches = ArrayListMultimap.create(); |
| |
| for (FlowRuleOperation op : ops) { |
| perDeviceBatches.put(op.rule().deviceId(), |
| new FlowRuleBatchEntry(mapOperationType(op.type()), op.rule())); |
| } |
| pendingDevices.addAll(perDeviceBatches.keySet()); |
| |
| for (DeviceId deviceId : perDeviceBatches.keySet()) { |
| long id = idGenerator.getNewId(); |
| final FlowRuleBatchOperation b = new FlowRuleBatchOperation(perDeviceBatches.get(deviceId), |
| deviceId, id); |
| pendingFlowOperations.put(id, this); |
| deviceInstallers.execute(() -> store.storeBatch(b)); |
| } |
| } |
| |
| synchronized void satisfy(DeviceId devId) { |
| pendingDevices.remove(devId); |
| if (pendingDevices.isEmpty()) { |
| operationsService.execute(new FlowOperationsProcessor(this, hasFailed)); |
| } |
| } |
| |
| synchronized void fail(DeviceId devId, Set<? extends FlowRule> failures) { |
| pendingDevices.remove(devId); |
| if (pendingDevices.isEmpty()) { |
| operationsService.execute(new FlowOperationsProcessor(this, true)); |
| } |
| |
| FlowRuleOperations.Builder failedOpsBuilder = FlowRuleOperations.builder(); |
| failures.forEach(failedOpsBuilder::add); |
| |
| fops.callback().onError(failedOpsBuilder.build()); |
| } |
| } |
| |
| @Override |
| public Iterable<TableStatisticsEntry> getFlowTableStatistics(DeviceId deviceId) { |
| checkPermission(FLOWRULE_READ); |
| return store.getTableStatistics(deviceId); |
| } |
| |
| private class InternalDeviceListener implements DeviceListener { |
| @Override |
| public void event(DeviceEvent event) { |
| switch (event.type()) { |
| case DEVICE_REMOVED: |
| case DEVICE_AVAILABILITY_CHANGED: |
| DeviceId deviceId = event.subject().id(); |
| if (!deviceService.isAvailable(deviceId)) { |
| if (purgeOnDisconnection) { |
| store.purgeFlowRule(deviceId); |
| } |
| } |
| break; |
| default: |
| break; |
| } |
| } |
| } |
| } |