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Brian O'Connor
0e271dc6 1 parent 5f281a45

Refactored intermediate IntentUpdate classes 

Change-Id: I3d4a435ef4aa97559d5407d49f45519098c3f193
Inline Side-by-side
Showing 12 changed files with 412 additions and 423 deletions
......@@ -15,7 +15,10 @@
*/
package org.onosproject.net.intent;
import org.onosproject.net.flow.FlowRule;
import org.onosproject.net.flow.FlowRuleBatchEntry;
import org.onosproject.net.flow.FlowRuleBatchOperation;
import org.onosproject.net.flow.FlowRuleOperations;
import java.util.List;
......@@ -30,7 +33,32 @@ public interface IntentInstaller<T extends Intent> {
* @return flow rule operations to complete install
* @throws IntentException if issues are encountered while installing the intent
*/
@Deprecated
List<FlowRuleBatchOperation> install(T intent);
// FIXME
default FlowRuleOperations.Builder install2(T intent) {
FlowRuleOperations.Builder builder = FlowRuleOperations.builder();
for (FlowRuleBatchOperation batch : install(intent)) {
for (FlowRuleBatchEntry entry : batch.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;
}
}
builder.newStage();
}
return builder;
}
/**
* Uninstalls the specified intent from the environment.
......@@ -39,7 +67,32 @@ public interface IntentInstaller<T extends Intent> {
* @return flow rule operations to complete uninstall
* @throws IntentException if issues are encountered while uninstalling the intent
*/
@Deprecated
List<FlowRuleBatchOperation> uninstall(T intent);
// FIXME
default FlowRuleOperations.Builder uninstall2(T intent) {
FlowRuleOperations.Builder builder = FlowRuleOperations.builder();
for (FlowRuleBatchOperation batch : uninstall(intent)) {
for (FlowRuleBatchEntry entry : batch.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;
}
}
builder.newStage();
}
return builder;
}
/**
* Replaces the specified intent with a new one in the environment.
......@@ -49,6 +102,31 @@ public interface IntentInstaller<T extends Intent> {
* @return flow rule operations to complete the replace
* @throws IntentException if issues are encountered while uninstalling the intent
*/
@Deprecated
List<FlowRuleBatchOperation> replace(T oldIntent, T newIntent);
// FIXME
default FlowRuleOperations.Builder replace2(T oldIntent, T newIntent) {
FlowRuleOperations.Builder builder = FlowRuleOperations.builder();
for (FlowRuleBatchOperation batch : replace(oldIntent, newIntent)) {
for (FlowRuleBatchEntry entry : batch.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;
}
}
builder.newStage();
}
return builder;
}
}
......
......@@ -16,10 +16,12 @@
package org.onosproject.net.intent.impl;
import org.onosproject.net.intent.Intent;
import org.onosproject.net.intent.IntentData;
import org.onosproject.net.intent.IntentException;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import java.util.List;
import java.util.Optional;
import static com.google.common.base.Preconditions.checkNotNull;
......@@ -30,25 +32,29 @@ class Compiling implements IntentUpdate {
// TODO: define an interface and use it, instead of IntentManager
private final IntentManager intentManager;
private final Intent intent;
private final IntentData pending;
private final IntentData current;
Compiling(IntentManager intentManager, Intent intent) {
Compiling(IntentManager intentManager, IntentData pending, IntentData current) {
this.intentManager = checkNotNull(intentManager);
this.intent = checkNotNull(intent);
this.pending = checkNotNull(pending);
this.current = current;
}
@Override
public Optional<IntentUpdate> execute() {
try {
return Optional.of(new Installing(intentManager, intent, intentManager.compileIntent(intent, null)));
List<Intent> installables = (current != null) ? current.installables() : null;
pending.setInstallables(intentManager.compileIntent(pending.intent(), installables));
return Optional.of(new Installing(intentManager, pending, current));
} catch (PathNotFoundException e) {
log.debug("Path not found for intent {}", intent);
log.debug("Path not found for intent {}", pending.intent());
// TODO: revisit to implement failure handling
return Optional.of(new DoNothing());
return Optional.of(new CompilingFailed(pending)); //FIXME failed state transition
} catch (IntentException e) {
log.warn("Unable to compile intent {} due to:", intent.id(), e);
log.warn("Unable to compile intent {} due to:", pending.intent().id(), e);
// TODO: revisit to implement failure handling
return Optional.of(new DoNothing());
return Optional.of(new CompilingFailed(pending)); //FIXME failed state transition
}
}
}
......
......@@ -15,8 +15,26 @@
*/
package org.onosproject.net.intent.impl;
import org.onosproject.net.intent.IntentData;
import static org.onosproject.net.intent.IntentState.FAILED;
/**
* Represents a phase doing nothing.
* Represents a phase where the compile has failed.
*/
class DoNothing implements CompletedIntentUpdate {
class CompilingFailed implements CompletedIntentUpdate {
private final IntentData intentData;
CompilingFailed(IntentData intentData) {
this.intentData = intentData;
this.intentData.setState(FAILED);
}
@Override
public IntentData data() {
return intentData;
}
//FIXME we also need to decide what to do with the current intent's resources i.e. cleanup or revert
}
......
......@@ -15,11 +15,8 @@
*/
package org.onosproject.net.intent.impl;
import org.onosproject.net.flow.FlowRuleBatchOperation;
import org.onosproject.net.intent.Intent;
import org.onosproject.net.intent.IntentData;
import java.util.Collections;
import java.util.List;
import java.util.Optional;
/**
......@@ -27,38 +24,10 @@ import java.util.Optional;
*/
interface CompletedIntentUpdate extends IntentUpdate {
/**
* Moves forward with the contained current batch.
* This method is invoked when the batch is successfully completed.
*/
default void batchSuccess() {}
/**
* Reverts the contained batches.
* This method is invoked when the batch results in failure.
*/
default void batchFailed() {}
/**
* Returns the current FlowRuleBatchOperation.
*
* @return current FlowRuleBatchOperation
*/
default FlowRuleBatchOperation currentBatch() {
return null;
}
/**
* Returns all of installable intents this instance holds.
*
* @return all of installable intents
*/
default List<Intent> allInstallables() {
return Collections.emptyList();
}
@Override
default Optional<IntentUpdate> execute() {
return Optional.empty();
}
IntentData data();
}
......
......@@ -15,7 +15,6 @@
*/
package org.onosproject.net.intent.impl;
import org.onosproject.net.intent.Intent;
import org.onosproject.net.intent.IntentData;
import java.util.Optional;
......@@ -27,17 +26,17 @@ class InstallRequest implements IntentUpdate {
// TODO: define an interface and use it, instead of IntentManager
private final IntentManager intentManager;
private final Intent intent;
private final IntentData currentState;
private final IntentData pending;
InstallRequest(IntentManager intentManager, Intent intent, IntentData currentState) {
InstallRequest(IntentManager intentManager, IntentData intentData) {
this.intentManager = checkNotNull(intentManager);
this.intent = checkNotNull(intent);
this.currentState = currentState;
this.pending = checkNotNull(intentData);
}
@Override
public Optional<IntentUpdate> execute() {
return Optional.of(new Compiling(intentManager, intent)); //FIXME
//FIXME... store hack
IntentData current = intentManager.store.getIntentData(pending.key());
return Optional.of(new Compiling(intentManager, pending, current));
}
}
......
......@@ -15,60 +15,21 @@
*/
package org.onosproject.net.intent.impl;
import com.google.common.collect.ImmutableList;
import org.onosproject.net.flow.FlowRuleBatchOperation;
import org.onosproject.net.intent.Intent;
import org.onosproject.net.intent.IntentState;
import java.util.LinkedList;
import java.util.List;
import org.onosproject.net.intent.IntentData;
import static com.google.common.base.Preconditions.checkNotNull;
import static org.onosproject.net.intent.IntentState.FAILED;
import static org.onosproject.net.intent.IntentState.INSTALLING;
class Installed implements CompletedIntentUpdate {
// TODO: define an interface and use it, instead of IntentManager
private final IntentManager intentManager;
private final Intent intent;
private final List<Intent> installables;
private IntentState intentState;
private final List<FlowRuleBatchOperation> batches;
private int currentBatch = 0;
Installed(IntentManager intentManager,
Intent intent, List<Intent> installables, List<FlowRuleBatchOperation> batches) {
this.intentManager = checkNotNull(intentManager);
this.intent = checkNotNull(intent);
this.installables = ImmutableList.copyOf(checkNotNull(installables));
this.batches = new LinkedList<>(checkNotNull(batches));
this.intentState = INSTALLING;
}
@Override
public void batchSuccess() {
currentBatch++;
}
@Override
public List<Intent> allInstallables() {
return installables;
}
@Override
public FlowRuleBatchOperation currentBatch() {
return currentBatch < batches.size() ? batches.get(currentBatch) : null;
}
private final IntentData intentData;
@Override
public void batchFailed() {
for (int i = batches.size() - 1; i >= currentBatch; i--) {
batches.remove(i);
Installed(IntentData intentData) {
this.intentData = checkNotNull(intentData);
this.intentData.setState(INSTALLING);
}
intentState = FAILED;
batches.addAll(intentManager.uninstallIntent(intent, installables));
// TODO we might want to try to recompile the new intent
public IntentData data() {
return intentData;
}
}
......
......@@ -15,13 +15,11 @@
*/
package org.onosproject.net.intent.impl;
import com.google.common.collect.ImmutableList;
import org.onosproject.net.flow.FlowRuleBatchOperation;
import org.onosproject.net.intent.Intent;
import org.onosproject.net.flow.FlowRuleOperations;
import org.onosproject.net.intent.IntentData;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import java.util.List;
import java.util.Optional;
import static com.google.common.base.Preconditions.checkNotNull;
......@@ -32,26 +30,27 @@ class Installing implements IntentUpdate {
private static final Logger log = LoggerFactory.getLogger(Installing.class);
private final IntentManager intentManager;
private final Intent intent;
private final List<Intent> installables;
private final IntentData pending;
private final IntentData current;
// TODO: define an interface and use it, instead of IntentManager
Installing(IntentManager intentManager, Intent intent, List<Intent> installables) {
Installing(IntentManager intentManager, IntentData pending, IntentData current) {
this.intentManager = checkNotNull(intentManager);
this.intent = checkNotNull(intent);
this.installables = ImmutableList.copyOf(checkNotNull(installables));
this.pending = checkNotNull(pending);
this.current = current;
}
@Override
public Optional<IntentUpdate> execute() {
try {
List<FlowRuleBatchOperation> converted = intentManager.convert(installables);
FlowRuleOperations flowRules = intentManager.coordinate(pending.installables());
// TODO: call FlowRuleService API to push FlowRules and track resources,
// which the submitted intent will use.
return Optional.of(new Installed(intentManager, intent, installables, converted));
intentManager.flowRuleService.apply(flowRules);
return Optional.of(new Installed(pending));
} catch (FlowRuleBatchOperationConversionException e) {
log.warn("Unable to install intent {} due to:", intent.id(), e.getCause());
return Optional.of(new InstallingFailed(intentManager, intent, installables, e.converted()));
log.warn("Unable to install intent {} due to:", pending.intent().id(), e.getCause());
return Optional.of(new InstallingFailed(pending));
}
}
}
......
......@@ -15,53 +15,23 @@
*/
package org.onosproject.net.intent.impl;
import com.google.common.collect.ImmutableList;
import org.onosproject.net.flow.FlowRuleBatchOperation;
import org.onosproject.net.intent.Intent;
import java.util.LinkedList;
import java.util.List;
import org.onosproject.net.intent.IntentData;
import static com.google.common.base.Preconditions.checkNotNull;
import static org.onosproject.net.intent.IntentState.FAILED;
class InstallingFailed implements CompletedIntentUpdate {
private IntentManager intentManager;
private final Intent intent;
private final List<Intent> installables;
private final List<FlowRuleBatchOperation> batches;
private int currentBatch = 0;
InstallingFailed(IntentManager intentManager,
Intent intent, List<Intent> installables, List<FlowRuleBatchOperation> batches) {
this.intentManager = intentManager;
this.intent = checkNotNull(intent);
this.installables = ImmutableList.copyOf(checkNotNull(installables));
this.batches = new LinkedList<>(checkNotNull(batches));
}
@Override
public List<Intent> allInstallables() {
return installables;
}
@Override
public void batchSuccess() {
currentBatch++;
}
private final IntentData intentData;
@Override
public FlowRuleBatchOperation currentBatch() {
return currentBatch < batches.size() ? batches.get(currentBatch) : null;
InstallingFailed(IntentData intentData) {
this.intentData = checkNotNull(intentData);
this.intentData.setState(FAILED); //FIXME maybe should be "BROKEN"
//TODO consider adding the flow rule operations here
}
@Override
public void batchFailed() {
for (int i = batches.size() - 1; i >= currentBatch; i--) {
batches.remove(i);
}
batches.addAll(intentManager.uninstallIntent(intent, installables));
// TODO we might want to try to recompile the new intent
public IntentData data() {
return intentData;
}
}
......
......@@ -15,23 +15,9 @@
*/
package org.onosproject.net.intent.impl;
import java.util.ArrayList;
import java.util.Collection;
import java.util.Collections;
import java.util.EnumSet;
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.concurrent.TimeUnit;
import java.util.concurrent.TimeoutException;
import java.util.stream.Collectors;
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;
......@@ -42,8 +28,8 @@ 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.CompletedBatchOperation;
import org.onosproject.net.flow.FlowRuleBatchOperation;
import org.onosproject.net.flow.FlowRuleOperations;
import org.onosproject.net.flow.FlowRuleService;
import org.onosproject.net.intent.Intent;
import org.onosproject.net.intent.IntentBatchDelegate;
......@@ -61,17 +47,25 @@ import org.onosproject.net.intent.IntentStore;
import org.onosproject.net.intent.IntentStoreDelegate;
import org.slf4j.Logger;
import com.google.common.collect.ImmutableList;
import com.google.common.collect.ImmutableMap;
import com.google.common.collect.Lists;
import java.util.ArrayList;
import java.util.Collection;
import java.util.EnumSet;
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.FAILED;
import static org.onosproject.net.intent.IntentState.INSTALL_REQ;
import static org.onosproject.net.intent.IntentState.WITHDRAW_REQ;
import static org.onosproject.net.intent.IntentState.*;
import static org.slf4j.LoggerFactory.getLogger;
/**
......@@ -285,6 +279,23 @@ public class IntentManager
return installable;
}
//TODO javadoc
//FIXME
FlowRuleOperations coordinate(List<Intent> installables) {
//List<FlowRuleBatchOperation> batches = 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
getInstaller(installable).install2(installable).build(null/*FIXME*/);
} catch (Exception e) { // TODO this should be IntentException
throw new FlowRuleBatchOperationConversionException(null/*FIXME*/, e);
}
}
return null;
}
/**
* Uninstalls all installable intents associated with the given intent.
*
......@@ -292,19 +303,21 @@ public class IntentManager
* @param installables installable intents
* @return list of batches to uninstall intent
*/
List<FlowRuleBatchOperation> uninstallIntent(Intent intent, List<Intent> installables) {
//FIXME
FlowRuleOperations uninstallIntent(Intent intent, List<Intent> installables) {
List<FlowRuleBatchOperation> batches = Lists.newArrayList();
for (Intent installable : installables) {
trackerService.removeTrackedResources(intent.id(),
installable.resources());
try {
batches.addAll(getInstaller(installable).uninstall(installable));
// FIXME need to aggregate the FlowRuleOperations across installables
getInstaller(installable).uninstall2(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 batches;
return null; //FIXME
}
/**
......@@ -414,12 +427,11 @@ public class IntentManager
// TODO: simplify the branching statements
private IntentUpdate createIntentUpdate(IntentData intentData) {
IntentData currentState = store.getIntentData(intentData.key());
switch (intentData.state()) {
case INSTALL_REQ:
return new InstallRequest(this, intentData.intent(), currentState);
return new InstallRequest(this, intentData);
case WITHDRAW_REQ:
return new WithdrawRequest(this, intentData.intent(), currentState);
return new WithdrawRequest(this, intentData);
// fallthrough
case COMPILING:
case INSTALLING:
......@@ -430,21 +442,12 @@ public class IntentManager
case FAILED:
default:
// illegal state
return new DoNothing();
return new CompilingFailed(intentData);
}
}
List<FlowRuleBatchOperation> convert(List<Intent> installables) {
List<FlowRuleBatchOperation> batches = new ArrayList<>(installables.size());
for (Intent installable : installables) {
try {
registerSubclassInstallerIfNeeded(installable);
batches.addAll(getInstaller(installable).install(installable));
} catch (Exception e) { // TODO this should be IntentException
throw new FlowRuleBatchOperationConversionException(batches, e);
}
}
return batches;
private Future<CompletedIntentUpdate> submitIntentData(IntentData data) {
return workerExecutor.submit(new IntentWorker(data));
}
private class IntentBatchPreprocess implements Runnable {
......@@ -476,15 +479,13 @@ public class IntentManager
@Override
public void run() {
try {
// 1. wrap each intentdata in a runnable and submit
List<Future<IntentUpdate>> updates = createIntentUpdates();
// TODO
// 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)
//new IntentBatchApplyFirst(data, processIntentUpdates(updates), endTime, 0, null).run();
/*
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
......@@ -498,18 +499,33 @@ public class IntentManager
}
}
private List<Future<IntentUpdate>> createIntentUpdates() {
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 Future<IntentUpdate> submitIntentData(IntentData data) {
return workerExecutor.submit(new IntentWorker(data));
private void submitUpdates(List<CompletedIntentUpdate> updates) {
store.batchWrite(updates.stream()
.map(CompletedIntentUpdate::data)
.collect(Collectors.toList()));
}
}
private class IntentWorker implements Callable<IntentUpdate> {
private final class IntentWorker implements Callable<CompletedIntentUpdate> {
private final IntentData data;
......@@ -518,7 +534,7 @@ public class IntentManager
}
@Override
public IntentUpdate call() throws Exception {
public CompletedIntentUpdate call() throws Exception {
IntentUpdate update = createIntentUpdate(data);
Optional<IntentUpdate> currentPhase = Optional.of(update);
IntentUpdate previousPhase = update;
......@@ -527,167 +543,7 @@ public class IntentManager
previousPhase = currentPhase.get();
currentPhase = previousPhase.execute();
}
return previousPhase;
}
}
// 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();
}
return (CompletedIntentUpdate) previousPhase;
}
}
......@@ -700,4 +556,166 @@ public class IntentManager
// 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();
// }
// }
// }
}
......
......@@ -15,7 +15,6 @@
*/
package org.onosproject.net.intent.impl;
import org.onosproject.net.intent.Intent;
import org.onosproject.net.intent.IntentData;
import java.util.Optional;
......@@ -26,17 +25,20 @@ class WithdrawRequest implements IntentUpdate {
// TODO: define an interface and use it, instead of IntentManager
private final IntentManager intentManager;
private final Intent intent;
private final IntentData currentState;
private final IntentData pending;
WithdrawRequest(IntentManager intentManager, Intent intent, IntentData currentState) {
WithdrawRequest(IntentManager intentManager, IntentData intentData) {
this.intentManager = checkNotNull(intentManager);
this.intent = checkNotNull(intent);
this.currentState = currentState;
this.pending = checkNotNull(intentData);
}
@Override
public Optional<IntentUpdate> execute() {
return Optional.of(new Withdrawing(intentManager, intent, currentState.installables())); //FIXME
//FIXME... store hack
IntentData current = intentManager.store.getIntentData(pending.key());
//TODO perhaps we want to validate that the pending and current are the
// same version i.e. they are the same
// Note: this call is not just the symmetric version of submit
return Optional.of(new Withdrawing(intentManager, pending, current));
}
}
......
......@@ -15,11 +15,9 @@
*/
package org.onosproject.net.intent.impl;
import com.google.common.collect.ImmutableList;
import org.onosproject.net.flow.FlowRuleBatchOperation;
import org.onosproject.net.intent.Intent;
import org.onosproject.net.flow.FlowRuleOperations;
import org.onosproject.net.intent.IntentData;
import java.util.List;
import java.util.Optional;
import static com.google.common.base.Preconditions.checkNotNull;
......@@ -28,19 +26,21 @@ class Withdrawing implements IntentUpdate {
// TODO: define an interface and use it, instead of IntentManager
private final IntentManager intentManager;
private final Intent intent;
private final List<Intent> installables;
private final IntentData pending;
private final IntentData current;
Withdrawing(IntentManager intentManager, Intent intent, List<Intent> installables) {
Withdrawing(IntentManager intentManager, IntentData pending, IntentData current) {
this.intentManager = checkNotNull(intentManager);
this.intent = checkNotNull(intent);
this.installables = ImmutableList.copyOf(installables);
this.pending = checkNotNull(pending);
this.current = checkNotNull(current);
}
@Override
public Optional<IntentUpdate> execute() {
List<FlowRuleBatchOperation> batches = intentManager.uninstallIntent(intent, installables);
FlowRuleOperations flowRules
= intentManager.uninstallIntent(current.intent(), current.installables());
intentManager.flowRuleService.apply(flowRules); //FIXME
return Optional.of(new Withdrawn(intentManager, intent, installables, batches));
return Optional.of(new Withdrawn(pending));
}
}
......
......@@ -15,53 +15,22 @@
*/
package org.onosproject.net.intent.impl;
import com.google.common.collect.ImmutableList;
import org.onosproject.net.flow.FlowRuleBatchOperation;
import org.onosproject.net.intent.Intent;
import java.util.LinkedList;
import java.util.List;
import org.onosproject.net.intent.IntentData;
import static com.google.common.base.Preconditions.checkNotNull;
import static org.onosproject.net.intent.IntentState.WITHDRAWING;
class Withdrawn implements CompletedIntentUpdate {
// TODO: define an interface and use it, instead of IntentManager
private final IntentManager intentManager;
private final Intent intent;
private final List<Intent> installables;
private final List<FlowRuleBatchOperation> batches;
private int currentBatch;
Withdrawn(IntentManager intentManager,
Intent intent, List<Intent> installables, List<FlowRuleBatchOperation> batches) {
this.intentManager = checkNotNull(intentManager);
this.intent = checkNotNull(intent);
this.installables = ImmutableList.copyOf(installables);
this.batches = new LinkedList<>(batches);
this.currentBatch = 0;
}
private final IntentData intentData;
@Override
public List<Intent> allInstallables() {
return installables;
Withdrawn(IntentData intentData) {
this.intentData = checkNotNull(intentData);
this.intentData.setState(WITHDRAWING);
}
@Override
public void batchSuccess() {
currentBatch++;
}
@Override
public FlowRuleBatchOperation currentBatch() {
return currentBatch < batches.size() ? batches.get(currentBatch) : null;
}
@Override
public void batchFailed() {
for (int i = batches.size() - 1; i >= currentBatch; i--) {
batches.remove(i);
}
batches.addAll(intentManager.uninstallIntent(intent, installables));
public IntentData data() {
return intentData;
}
}
......