| /* |
| * Copyright 2014 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.intent.impl; |
| |
| import com.google.common.collect.ImmutableList; |
| import com.google.common.collect.ImmutableMap; |
| import com.google.common.collect.Lists; |
| 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.onosproject.core.CoreService; |
| import org.onosproject.core.IdGenerator; |
| import org.onosproject.event.AbstractListenerRegistry; |
| import org.onosproject.event.EventDeliveryService; |
| import org.onosproject.net.flow.FlowRule; |
| import org.onosproject.net.flow.FlowRuleBatchEntry; |
| import org.onosproject.net.flow.FlowRuleBatchOperation; |
| import org.onosproject.net.flow.FlowRuleEvent; |
| import org.onosproject.net.flow.FlowRuleListener; |
| import org.onosproject.net.flow.FlowRuleOperations; |
| import org.onosproject.net.flow.FlowRuleOperationsContext; |
| import org.onosproject.net.flow.FlowRuleService; |
| import org.onosproject.net.intent.Intent; |
| import org.onosproject.net.intent.IntentBatchDelegate; |
| import org.onosproject.net.intent.IntentCompiler; |
| import org.onosproject.net.intent.IntentData; |
| import org.onosproject.net.intent.IntentEvent; |
| import org.onosproject.net.intent.IntentException; |
| import org.onosproject.net.intent.IntentExtensionService; |
| import org.onosproject.net.intent.IntentId; |
| import org.onosproject.net.intent.IntentInstaller; |
| import org.onosproject.net.intent.IntentListener; |
| import org.onosproject.net.intent.IntentService; |
| import org.onosproject.net.intent.IntentState; |
| import org.onosproject.net.intent.IntentStore; |
| import org.onosproject.net.intent.IntentStoreDelegate; |
| import org.slf4j.Logger; |
| |
| import java.util.ArrayList; |
| import java.util.Collection; |
| import java.util.EnumSet; |
| import java.util.Iterator; |
| import java.util.List; |
| import java.util.Map; |
| import java.util.Optional; |
| import java.util.concurrent.Callable; |
| import java.util.concurrent.ConcurrentHashMap; |
| import java.util.concurrent.ConcurrentMap; |
| import java.util.concurrent.ExecutionException; |
| import java.util.concurrent.ExecutorService; |
| import java.util.concurrent.Future; |
| import java.util.stream.Collectors; |
| |
| import static com.google.common.base.Preconditions.checkNotNull; |
| import static java.util.concurrent.Executors.newFixedThreadPool; |
| import static java.util.concurrent.Executors.newSingleThreadExecutor; |
| import static org.onlab.util.Tools.namedThreads; |
| import static org.onosproject.net.intent.IntentState.*; |
| import static org.slf4j.LoggerFactory.getLogger; |
| |
| /** |
| * An implementation of Intent Manager. |
| */ |
| @Component(immediate = true) |
| @Service |
| public class IntentManager |
| implements IntentService, IntentExtensionService { |
| private static final Logger log = getLogger(IntentManager.class); |
| |
| public static final String INTENT_NULL = "Intent cannot be null"; |
| public static final String INTENT_ID_NULL = "Intent ID cannot be null"; |
| |
| private static final int NUM_THREADS = 12; |
| |
| private static final EnumSet<IntentState> RECOMPILE |
| = EnumSet.of(INSTALL_REQ, FAILED, WITHDRAW_REQ); |
| |
| |
| // Collections for compiler, installer, and listener are ONOS instance local |
| private final ConcurrentMap<Class<? extends Intent>, |
| IntentCompiler<? extends Intent>> compilers = new ConcurrentHashMap<>(); |
| private final ConcurrentMap<Class<? extends Intent>, |
| IntentInstaller<? extends Intent>> installers = new ConcurrentHashMap<>(); |
| |
| private final AbstractListenerRegistry<IntentEvent, IntentListener> |
| listenerRegistry = new AbstractListenerRegistry<>(); |
| |
| @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| protected CoreService coreService; |
| |
| @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| protected IntentStore store; |
| |
| @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| protected ObjectiveTrackerService trackerService; |
| |
| @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| protected EventDeliveryService eventDispatcher; |
| |
| @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| protected FlowRuleService flowRuleService; |
| |
| |
| private ExecutorService batchExecutor; |
| private ExecutorService workerExecutor; |
| |
| private final IntentStoreDelegate delegate = new InternalStoreDelegate(); |
| private final TopologyChangeDelegate topoDelegate = new InternalTopoChangeDelegate(); |
| private final IntentBatchDelegate batchDelegate = new InternalBatchDelegate(); |
| private IdGenerator idGenerator; |
| |
| private final IntentAccumulator accumulator = new IntentAccumulator(batchDelegate); |
| |
| @Activate |
| public void activate() { |
| store.setDelegate(delegate); |
| trackerService.setDelegate(topoDelegate); |
| eventDispatcher.addSink(IntentEvent.class, listenerRegistry); |
| batchExecutor = newSingleThreadExecutor(namedThreads("onos-intent-batch")); |
| workerExecutor = newFixedThreadPool(NUM_THREADS, namedThreads("onos-intent-worker-%d")); |
| idGenerator = coreService.getIdGenerator("intent-ids"); |
| Intent.bindIdGenerator(idGenerator); |
| log.info("Started"); |
| } |
| |
| @Deactivate |
| public void deactivate() { |
| store.unsetDelegate(delegate); |
| trackerService.unsetDelegate(topoDelegate); |
| eventDispatcher.removeSink(IntentEvent.class); |
| batchExecutor.shutdown(); |
| Intent.unbindIdGenerator(idGenerator); |
| log.info("Stopped"); |
| } |
| |
| @Override |
| public void submit(Intent intent) { |
| checkNotNull(intent, INTENT_NULL); |
| IntentData data = new IntentData(intent, IntentState.INSTALL_REQ, null); |
| //FIXME timestamp? |
| store.addPending(data); |
| } |
| |
| @Override |
| public void withdraw(Intent intent) { |
| checkNotNull(intent, INTENT_NULL); |
| IntentData data = new IntentData(intent, IntentState.WITHDRAW_REQ, null); |
| //FIXME timestamp? |
| store.addPending(data); |
| } |
| |
| @Override |
| public Iterable<Intent> getIntents() { |
| return store.getIntents(); |
| } |
| |
| @Override |
| public long getIntentCount() { |
| return store.getIntentCount(); |
| } |
| |
| @Override |
| public Intent getIntent(IntentId id) { |
| checkNotNull(id, INTENT_ID_NULL); |
| return store.getIntent(id); |
| } |
| |
| @Override |
| public IntentState getIntentState(IntentId id) { |
| checkNotNull(id, INTENT_ID_NULL); |
| return store.getIntentState(id); |
| } |
| |
| @Override |
| public List<Intent> getInstallableIntents(IntentId intentId) { |
| checkNotNull(intentId, INTENT_ID_NULL); |
| return store.getInstallableIntents(intentId); |
| } |
| |
| @Override |
| public void addListener(IntentListener listener) { |
| listenerRegistry.addListener(listener); |
| } |
| |
| @Override |
| public void removeListener(IntentListener listener) { |
| listenerRegistry.removeListener(listener); |
| } |
| |
| @Override |
| public <T extends Intent> void registerCompiler(Class<T> cls, IntentCompiler<T> compiler) { |
| compilers.put(cls, compiler); |
| } |
| |
| @Override |
| public <T extends Intent> void unregisterCompiler(Class<T> cls) { |
| compilers.remove(cls); |
| } |
| |
| @Override |
| public Map<Class<? extends Intent>, IntentCompiler<? extends Intent>> getCompilers() { |
| return ImmutableMap.copyOf(compilers); |
| } |
| |
| @Override |
| public <T extends Intent> void registerInstaller(Class<T> cls, IntentInstaller<T> installer) { |
| installers.put(cls, installer); |
| } |
| |
| @Override |
| public <T extends Intent> void unregisterInstaller(Class<T> cls) { |
| installers.remove(cls); |
| } |
| |
| @Override |
| public Map<Class<? extends Intent>, IntentInstaller<? extends Intent>> getInstallers() { |
| return ImmutableMap.copyOf(installers); |
| } |
| |
| /** |
| * Returns the corresponding intent compiler to the specified intent. |
| * |
| * @param intent intent |
| * @param <T> the type of intent |
| * @return intent compiler corresponding to the specified intent |
| */ |
| private <T extends Intent> IntentCompiler<T> getCompiler(T intent) { |
| @SuppressWarnings("unchecked") |
| IntentCompiler<T> compiler = (IntentCompiler<T>) compilers.get(intent.getClass()); |
| if (compiler == null) { |
| throw new IntentException("no compiler for class " + intent.getClass()); |
| } |
| return compiler; |
| } |
| |
| /** |
| * Returns the corresponding intent installer to the specified installable intent. |
| * |
| * @param intent intent |
| * @param <T> the type of installable intent |
| * @return intent installer corresponding to the specified installable intent |
| */ |
| private <T extends Intent> IntentInstaller<T> getInstaller(T intent) { |
| @SuppressWarnings("unchecked") |
| IntentInstaller<T> installer = (IntentInstaller<T>) installers.get(intent.getClass()); |
| if (installer == null) { |
| throw new IntentException("no installer for class " + intent.getClass()); |
| } |
| return installer; |
| } |
| |
| /** |
| * Compiles an intent recursively. |
| * |
| * @param intent intent |
| * @return result of compilation |
| */ |
| List<Intent> compileIntent(Intent intent, List<Intent> previousInstallables) { |
| if (intent.isInstallable()) { |
| return ImmutableList.of(intent); |
| } |
| |
| registerSubclassCompilerIfNeeded(intent); |
| // FIXME: get previous resources |
| List<Intent> installable = new ArrayList<>(); |
| for (Intent compiled : getCompiler(intent).compile(intent, previousInstallables, null)) { |
| installable.addAll(compileIntent(compiled, previousInstallables)); |
| } |
| return installable; |
| } |
| |
| //TODO javadoc |
| //FIXME |
| FlowRuleOperations coordinate(IntentData pending) { |
| List<Intent> installables = pending.installables(); |
| List<List<FlowRuleBatchOperation>> plans = new ArrayList<>(installables.size()); |
| for (Intent installable : installables) { |
| try { |
| registerSubclassInstallerIfNeeded(installable); |
| //FIXME need to migrate installers to FlowRuleOperations |
| // FIXME need to aggregate the FlowRuleOperations across installables |
| plans.add(getInstaller(installable).install(installable)); |
| } catch (Exception e) { // TODO this should be IntentException |
| throw new FlowRuleBatchOperationConversionException(null/*FIXME*/, e); |
| } |
| } |
| |
| return merge(plans).build(new FlowRuleOperationsContext() { // FIXME move this out |
| @Override |
| public void onSuccess(FlowRuleOperations ops) { |
| log.info("Completed installing: {}", pending.key()); |
| pending.setState(INSTALLED); |
| store.write(pending); |
| } |
| |
| @Override |
| public void onError(FlowRuleOperations ops) { |
| //FIXME store.write(pending.setState(BROKEN)); |
| } |
| }); |
| } |
| |
| // FIXME... needs tests... or maybe it's just perfect |
| private FlowRuleOperations.Builder merge(List<List<FlowRuleBatchOperation>> plans) { |
| FlowRuleOperations.Builder builder = FlowRuleOperations.builder(); |
| // Build a batch one stage at a time |
| for (int stageNumber = 0;; stageNumber++) { |
| // Get the sub-stage from each plan (List<FlowRuleBatchOperation>) |
| for (Iterator<List<FlowRuleBatchOperation>> itr = plans.iterator(); itr.hasNext();) { |
| List<FlowRuleBatchOperation> plan = itr.next(); |
| if (plan.size() <= stageNumber) { |
| // we have consumed all stages from this plan, so remove it |
| itr.remove(); |
| continue; |
| } |
| // write operations from this sub-stage into the builder |
| FlowRuleBatchOperation stage = plan.get(stageNumber); |
| for (FlowRuleBatchEntry entry : stage.getOperations()) { |
| FlowRule rule = entry.target(); |
| switch (entry.operator()) { |
| case ADD: |
| builder.add(rule); |
| break; |
| case REMOVE: |
| builder.remove(rule); |
| break; |
| case MODIFY: |
| builder.modify(rule); |
| break; |
| default: |
| break; |
| } |
| } |
| } |
| // we are done with the stage, start the next one... |
| if (plans.isEmpty()) { |
| break; // we don't need to start a new stage, we are done. |
| } |
| builder.newStage(); |
| } |
| return builder; |
| } |
| |
| /** |
| * Uninstalls all installable intents associated with the given intent. |
| * |
| * @param intent intent |
| * @param installables installable intents |
| * @return list of batches to uninstall intent |
| */ |
| //FIXME |
| FlowRuleOperations uninstallIntent(Intent intent, List<Intent> installables) { |
| List<FlowRuleBatchOperation> batches = Lists.newArrayList(); |
| for (Intent installable : installables) { |
| trackerService.removeTrackedResources(intent.id(), |
| installable.resources()); |
| try { |
| // FIXME need to aggregate the FlowRuleOperations across installables |
| getInstaller(installable).uninstall(installable); //.build(null/*FIXME*/); |
| } catch (IntentException e) { |
| log.warn("Unable to uninstall intent {} due to:", intent.id(), e); |
| // TODO: this should never happen. but what if it does? |
| } |
| } |
| return null; //FIXME |
| } |
| |
| /** |
| * Registers an intent compiler of the specified intent if an intent compiler |
| * for the intent is not registered. This method traverses the class hierarchy of |
| * the intent. Once an intent compiler for a parent type is found, this method |
| * registers the found intent compiler. |
| * |
| * @param intent intent |
| */ |
| private void registerSubclassCompilerIfNeeded(Intent intent) { |
| if (!compilers.containsKey(intent.getClass())) { |
| Class<?> cls = intent.getClass(); |
| while (cls != Object.class) { |
| // As long as we're within the Intent class descendants |
| if (Intent.class.isAssignableFrom(cls)) { |
| IntentCompiler<?> compiler = compilers.get(cls); |
| if (compiler != null) { |
| compilers.put(intent.getClass(), compiler); |
| return; |
| } |
| } |
| cls = cls.getSuperclass(); |
| } |
| } |
| } |
| |
| /** |
| * Registers an intent installer of the specified intent if an intent installer |
| * for the intent is not registered. This method traverses the class hierarchy of |
| * the intent. Once an intent installer for a parent type is found, this method |
| * registers the found intent installer. |
| * |
| * @param intent intent |
| */ |
| private void registerSubclassInstallerIfNeeded(Intent intent) { |
| if (!installers.containsKey(intent.getClass())) { |
| Class<?> cls = intent.getClass(); |
| while (cls != Object.class) { |
| // As long as we're within the Intent class descendants |
| if (Intent.class.isAssignableFrom(cls)) { |
| IntentInstaller<?> installer = installers.get(cls); |
| if (installer != null) { |
| installers.put(intent.getClass(), installer); |
| return; |
| } |
| } |
| cls = cls.getSuperclass(); |
| } |
| } |
| } |
| |
| // Store delegate to re-post events emitted from the store. |
| private class InternalStoreDelegate implements IntentStoreDelegate { |
| @Override |
| public void notify(IntentEvent event) { |
| eventDispatcher.post(event); |
| } |
| |
| @Override |
| public void process(IntentData data) { |
| accumulator.add(data); |
| } |
| } |
| |
| private void buildAndSubmitBatches(Iterable<IntentId> intentIds, |
| boolean compileAllFailed) { |
| // Attempt recompilation of the specified intents first. |
| for (IntentId id : intentIds) { |
| Intent intent = store.getIntent(id); |
| if (intent == null) { |
| continue; |
| } |
| submit(intent); |
| } |
| |
| if (compileAllFailed) { |
| // If required, compile all currently failed intents. |
| for (Intent intent : getIntents()) { |
| IntentState state = getIntentState(intent.id()); |
| if (RECOMPILE.contains(state)) { |
| if (state == WITHDRAW_REQ) { |
| withdraw(intent); |
| } else { |
| submit(intent); |
| } |
| } |
| } |
| } |
| |
| //FIXME |
| // for (ApplicationId appId : batches.keySet()) { |
| // if (batchService.isLocalLeader(appId)) { |
| // execute(batches.get(appId).build()); |
| // } |
| // } |
| } |
| |
| // Topology change delegate |
| private class InternalTopoChangeDelegate implements TopologyChangeDelegate { |
| @Override |
| public void triggerCompile(Iterable<IntentId> intentIds, |
| boolean compileAllFailed) { |
| buildAndSubmitBatches(intentIds, compileAllFailed); |
| } |
| } |
| |
| private IntentUpdate createIntentUpdate(IntentData intentData) { |
| switch (intentData.state()) { |
| case INSTALL_REQ: |
| return new InstallRequest(this, intentData); |
| case WITHDRAW_REQ: |
| return new WithdrawRequest(this, intentData); |
| // fallthrough |
| case COMPILING: |
| case INSTALLING: |
| case INSTALLED: |
| case RECOMPILING: |
| case WITHDRAWING: |
| case WITHDRAWN: |
| case FAILED: |
| default: |
| // illegal state |
| return new CompilingFailed(intentData); |
| } |
| } |
| |
| private Future<CompletedIntentUpdate> submitIntentData(IntentData data) { |
| return workerExecutor.submit(new IntentWorker(data)); |
| } |
| |
| private class IntentBatchPreprocess implements Runnable { |
| |
| // TODO make this configurable |
| private static final int TIMEOUT_PER_OP = 500; // ms |
| protected static final int MAX_ATTEMPTS = 3; |
| |
| protected final Collection<IntentData> data; |
| |
| // future holding current FlowRuleBatch installation result |
| protected final long startTime = System.currentTimeMillis(); |
| protected final long endTime; |
| |
| private IntentBatchPreprocess(Collection<IntentData> data, long endTime) { |
| this.data = checkNotNull(data); |
| this.endTime = endTime; |
| } |
| |
| public IntentBatchPreprocess(Collection<IntentData> data) { |
| this(data, System.currentTimeMillis() + data.size() * TIMEOUT_PER_OP); |
| } |
| |
| // FIXME compute reasonable timeouts |
| protected long calculateTimeoutLimit() { |
| return System.currentTimeMillis() + data.size() * TIMEOUT_PER_OP; |
| } |
| |
| @Override |
| public void run() { |
| try { |
| /* |
| 1. wrap each intentdata in a runnable and submit |
| 2. wait for completion of all the work |
| 3. accumulate results and submit batch write of IntentData to store |
| (we can also try to update these individually) |
| */ |
| submitUpdates(waitForFutures(createIntentUpdates())); |
| } catch (Exception e) { |
| log.error("Error submitting batches:", e); |
| // FIXME incomplete Intents should be cleaned up |
| // (transition to FAILED, etc.) |
| |
| // the batch has failed |
| // TODO: maybe we should do more? |
| log.error("Walk the plank, matey..."); |
| //FIXME |
| // batchService.removeIntentOperations(data); |
| } |
| } |
| |
| private List<Future<CompletedIntentUpdate>> createIntentUpdates() { |
| return data.stream() |
| .map(IntentManager.this::submitIntentData) |
| .collect(Collectors.toList()); |
| } |
| |
| private List<CompletedIntentUpdate> waitForFutures(List<Future<CompletedIntentUpdate>> futures) { |
| ImmutableList.Builder<CompletedIntentUpdate> updateBuilder = ImmutableList.builder(); |
| for (Future<CompletedIntentUpdate> future : futures) { |
| try { |
| updateBuilder.add(future.get()); |
| } catch (InterruptedException | ExecutionException e) { |
| //FIXME |
| log.warn("Future failed: {}", e); |
| } |
| } |
| return updateBuilder.build(); |
| } |
| |
| private void submitUpdates(List<CompletedIntentUpdate> updates) { |
| store.batchWrite(updates.stream() |
| .map(CompletedIntentUpdate::data) |
| .collect(Collectors.toList())); |
| } |
| } |
| |
| private final class IntentWorker implements Callable<CompletedIntentUpdate> { |
| |
| private final IntentData data; |
| |
| private IntentWorker(IntentData data) { |
| this.data = data; |
| } |
| |
| @Override |
| public CompletedIntentUpdate call() throws Exception { |
| IntentUpdate update = createIntentUpdate(data); |
| Optional<IntentUpdate> currentPhase = Optional.of(update); |
| IntentUpdate previousPhase = update; |
| |
| while (currentPhase.isPresent()) { |
| previousPhase = currentPhase.get(); |
| currentPhase = previousPhase.execute(); |
| } |
| return (CompletedIntentUpdate) previousPhase; |
| } |
| } |
| |
| private class InternalBatchDelegate implements IntentBatchDelegate { |
| @Override |
| public void execute(Collection<IntentData> operations) { |
| log.info("Execute {} operation(s).", operations.size()); |
| log.debug("Execute operations: {}", operations); |
| batchExecutor.execute(new IntentBatchPreprocess(operations)); |
| // TODO ensure that only one batch is in flight at a time |
| } |
| } |
| |
| // /////////**************************/////////////////// |
| // FIXME Need to build and monitor contexts from FlowRuleService |
| // |
| // // TODO: better naming |
| // private class IntentBatchApplyFirst extends IntentBatchPreprocess { |
| // |
| // protected final List<CompletedIntentUpdate> intentUpdates; |
| // protected final int installAttempt; |
| // protected Future<CompletedBatchOperation> future; |
| // |
| // IntentBatchApplyFirst(Collection<IntentData> operations, List<CompletedIntentUpdate> intentUpdates, |
| // long endTime, int installAttempt, Future<CompletedBatchOperation> future) { |
| // super(operations, endTime); |
| // this.intentUpdates = ImmutableList.copyOf(intentUpdates); |
| // this.future = future; |
| // this.installAttempt = installAttempt; |
| // } |
| // |
| // @Override |
| // public void run() { |
| // Future<CompletedBatchOperation> future = applyNextBatch(intentUpdates); |
| // new IntentBatchProcessFutures(data, intentUpdates, endTime, installAttempt, future).run(); |
| // } |
| // |
| // /** |
| // * Builds and applies the next batch, and returns the future. |
| // * |
| // * @return Future for next batch |
| // */ |
| // protected Future<CompletedBatchOperation> applyNextBatch(List<CompletedIntentUpdate> updates) { |
| // //TODO test this. (also, maybe save this batch) |
| // |
| // FlowRuleBatchOperation batch = createFlowRuleBatchOperation(updates); |
| // if (batch.size() > 0) { |
| // //FIXME apply batch might throw an exception |
| // return flowRuleService.applyBatch(batch); |
| // } else { |
| // return null; |
| // } |
| // } |
| // |
| // private FlowRuleBatchOperation createFlowRuleBatchOperation(List<CompletedIntentUpdate> intentUpdates) { |
| // FlowRuleBatchOperation batch = new FlowRuleBatchOperation(Collections.emptyList(), null, 0); |
| // for (CompletedIntentUpdate update : intentUpdates) { |
| // FlowRuleBatchOperation currentBatch = update.currentBatch(); |
| // if (currentBatch != null) { |
| // batch.addAll(currentBatch); |
| // } |
| // } |
| // return batch; |
| // } |
| // |
| // protected void abandonShip() { |
| // // the batch has failed |
| // // TODO: maybe we should do more? |
| // log.error("Walk the plank, matey..."); |
| // future = null; |
| // //FIXME |
| // //batchService.removeIntentOperations(data); |
| // } |
| // } |
| // |
| // // TODO: better naming |
| // private class IntentBatchProcessFutures extends IntentBatchApplyFirst { |
| // |
| // IntentBatchProcessFutures(Collection<IntentData> operations, List<CompletedIntentUpdate> intentUpdates, |
| // long endTime, int installAttempt, Future<CompletedBatchOperation> future) { |
| // super(operations, intentUpdates, endTime, installAttempt, future); |
| // } |
| // |
| // @Override |
| // public void run() { |
| // try { |
| // Future<CompletedBatchOperation> future = processFutures(); |
| // if (future == null) { |
| // // there are no outstanding batches; we are done |
| // //FIXME |
| // return; //? |
| // //batchService.removeIntentOperations(data); |
| // } else if (System.currentTimeMillis() > endTime) { |
| // // - cancel current FlowRuleBatch and resubmit again |
| // retry(); |
| // } else { |
| // // we are not done yet, yield the thread by resubmitting ourselves |
| // batchExecutor.submit(new IntentBatchProcessFutures(data, intentUpdates, endTime, |
| // installAttempt, future)); |
| // } |
| // } catch (Exception e) { |
| // log.error("Error submitting batches:", e); |
| // // FIXME incomplete Intents should be cleaned up |
| // // (transition to FAILED, etc.) |
| // abandonShip(); |
| // } |
| // } |
| // |
| // /** |
| // * Iterate through the pending futures, and remove them when they have completed. |
| // */ |
| // private Future<CompletedBatchOperation> processFutures() { |
| // try { |
| // CompletedBatchOperation completed = future.get(100, TimeUnit.NANOSECONDS); |
| // updateBatches(completed); |
| // return applyNextBatch(intentUpdates); |
| // } catch (TimeoutException | InterruptedException te) { |
| // log.trace("Installation of intents are still pending: {}", data); |
| // return future; |
| // } catch (ExecutionException e) { |
| // log.warn("Execution of batch failed: {}", data, e); |
| // abandonShip(); |
| // return future; |
| // } |
| // } |
| // |
| // private void updateBatches(CompletedBatchOperation completed) { |
| // if (completed.isSuccess()) { |
| // for (CompletedIntentUpdate update : intentUpdates) { |
| // update.batchSuccess(); |
| // } |
| // } else { |
| // // entire batch has been reverted... |
| // log.debug("Failed items: {}", completed.failedItems()); |
| // log.debug("Failed ids: {}", completed.failedIds()); |
| // |
| // for (Long id : completed.failedIds()) { |
| // IntentId targetId = IntentId.valueOf(id); |
| // for (CompletedIntentUpdate update : intentUpdates) { |
| // for (Intent intent : update.allInstallables()) { |
| // if (intent.id().equals(targetId)) { |
| // update.batchFailed(); |
| // break; |
| // } |
| // } |
| // } |
| // // don't increment the non-failed items, as they have been reverted. |
| // } |
| // } |
| // } |
| // |
| // private void retry() { |
| // log.debug("Execution timed out, retrying."); |
| // if (future.cancel(true)) { // cancel success; batch is reverted |
| // // reset the timer |
| // long timeLimit = calculateTimeoutLimit(); |
| // int attempts = installAttempt + 1; |
| // if (attempts == MAX_ATTEMPTS) { |
| // log.warn("Install request timed out: {}", data); |
| // for (CompletedIntentUpdate update : intentUpdates) { |
| // update.batchFailed(); |
| // } |
| // } else if (attempts > MAX_ATTEMPTS) { |
| // abandonShip(); |
| // return; |
| // } |
| // Future<CompletedBatchOperation> future = applyNextBatch(intentUpdates); |
| // batchExecutor.submit(new IntentBatchProcessFutures(data, intentUpdates, timeLimit, attempts, future)); |
| // } else { |
| // log.error("Cancelling FlowRuleBatch failed."); |
| // abandonShip(); |
| // } |
| // } |
| // } |
| } |