package org.opendaylight.openflowplugin.impl.statistics;
+import com.google.common.annotations.VisibleForTesting;
import com.google.common.base.Preconditions;
+import com.google.common.collect.ImmutableList;
+import com.google.common.collect.Iterators;
import com.google.common.util.concurrent.FutureCallback;
import com.google.common.util.concurrent.Futures;
import com.google.common.util.concurrent.ListenableFuture;
import com.google.common.util.concurrent.SettableFuture;
-import java.util.Arrays;
+import io.netty.util.Timeout;
+import java.util.ArrayList;
import java.util.Collection;
import java.util.HashSet;
+import java.util.Iterator;
import java.util.List;
+import java.util.Optional;
import javax.annotation.CheckForNull;
+import javax.annotation.Nonnull;
+import javax.annotation.Nullable;
+import javax.annotation.concurrent.GuardedBy;
import org.opendaylight.openflowplugin.api.openflow.connection.ConnectionContext;
import org.opendaylight.openflowplugin.api.openflow.device.DeviceContext;
+import org.opendaylight.openflowplugin.api.openflow.device.DeviceInfo;
import org.opendaylight.openflowplugin.api.openflow.device.DeviceState;
import org.opendaylight.openflowplugin.api.openflow.device.RequestContext;
+import org.opendaylight.openflowplugin.api.openflow.lifecycle.LifecycleConductor;
+import org.opendaylight.openflowplugin.api.openflow.rpc.listener.ItemLifecycleListener;
import org.opendaylight.openflowplugin.api.openflow.statistics.StatisticsContext;
import org.opendaylight.openflowplugin.impl.rpc.AbstractRequestContext;
+import org.opendaylight.openflowplugin.impl.rpc.listener.ItemLifecycleListenerImpl;
import org.opendaylight.openflowplugin.impl.services.RequestContextUtil;
+import org.opendaylight.openflowplugin.impl.statistics.services.dedicated.StatisticsGatheringOnTheFlyService;
import org.opendaylight.openflowplugin.impl.statistics.services.dedicated.StatisticsGatheringService;
import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.types.rev130731.MultipartType;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
-/**
- * Created by Martin Bobak <mbobak@cisco.com> on 1.4.2015.
- */
-public class StatisticsContextImpl implements StatisticsContext {
+class StatisticsContextImpl implements StatisticsContext {
private static final Logger LOG = LoggerFactory.getLogger(StatisticsContextImpl.class);
private static final String CONNECTION_CLOSED = "Connection closed.";
+
+ private final ItemLifecycleListener itemLifeCycleListener;
private final Collection<RequestContext<?>> requestContexts = new HashSet<>();
private final DeviceContext deviceContext;
private final DeviceState devState;
private final ListenableFuture<Boolean> emptyFuture;
+ private final boolean shuttingDownStatisticsPolling;
+ private final Object COLLECTION_STAT_TYPE_LOCK = new Object();
+ @GuardedBy("COLLECTION_STAT_TYPE_LOCK")
+ private List<MultipartType> collectingStatType;
- private final StatisticsGatheringService statisticsGatheringService;
+ private StatisticsGatheringService statisticsGatheringService;
+ private StatisticsGatheringOnTheFlyService statisticsGatheringOnTheFlyService;
+ private Timeout pollTimeout;
- public StatisticsContextImpl(@CheckForNull final DeviceContext deviceContext) {
- this.deviceContext = Preconditions.checkNotNull(deviceContext);
- devState = Preconditions.checkNotNull(deviceContext.getDeviceState());
- emptyFuture = Futures.immediateFuture(new Boolean(false));
+ private volatile boolean schedulingEnabled;
+
+ StatisticsContextImpl(@CheckForNull final DeviceInfo deviceInfo, final boolean shuttingDownStatisticsPolling, final LifecycleConductor lifecycleConductor) {
+ this.deviceContext = Preconditions.checkNotNull(lifecycleConductor.getDeviceContext(deviceInfo));
+ this.devState = Preconditions.checkNotNull(deviceContext.getDeviceState());
+ this.shuttingDownStatisticsPolling = shuttingDownStatisticsPolling;
+ emptyFuture = Futures.immediateFuture(false);
statisticsGatheringService = new StatisticsGatheringService(this, deviceContext);
+ statisticsGatheringOnTheFlyService = new StatisticsGatheringOnTheFlyService(this, deviceContext);
+ itemLifeCycleListener = new ItemLifecycleListenerImpl(deviceContext);
+ statListForCollectingInitialization();
}
@Override
- public ListenableFuture<Boolean> gatherDynamicData() {
- final SettableFuture<Boolean> settableResultingFuture = SettableFuture.create();
- final ListenableFuture<Boolean> flowStatistics = gatherDynamicData(MultipartType.OFPMPFLOW);
- final ListenableFuture<Boolean> tableStatistics = gatherDynamicData(MultipartType.OFPMPTABLE);
- final ListenableFuture<Boolean> portStatistics = gatherDynamicData(MultipartType.OFPMPPORTSTATS);
- final ListenableFuture<Boolean> queueStatistics = gatherDynamicData(MultipartType.OFPMPQUEUE);
- final ListenableFuture<Boolean> groupDescStatistics = gatherDynamicData(MultipartType.OFPMPGROUPDESC);
- final ListenableFuture<Boolean> groupStatistics = gatherDynamicData(MultipartType.OFPMPGROUP);
- final ListenableFuture<Boolean> meterConfigStatistics = gatherDynamicData(MultipartType.OFPMPMETERCONFIG);
- final ListenableFuture<Boolean> meterStatistics = gatherDynamicData(MultipartType.OFPMPMETER);
-
- final ListenableFuture<List<Boolean>> allFutures = Futures.allAsList(Arrays.asList(flowStatistics, tableStatistics, groupDescStatistics, groupStatistics, meterConfigStatistics, meterStatistics, portStatistics, queueStatistics));
- Futures.addCallback(allFutures, new FutureCallback<List<Boolean>>() {
- @Override
- public void onSuccess(final List<Boolean> booleans) {
- boolean atLeastOneSuccess = false;
- for (final Boolean bool : booleans) {
- atLeastOneSuccess |= bool.booleanValue();
- }
- settableResultingFuture.set(new Boolean(atLeastOneSuccess));
+ public void statListForCollectingInitialization() {
+ synchronized (COLLECTION_STAT_TYPE_LOCK) {
+ final List<MultipartType> statListForCollecting = new ArrayList<>();
+ if (devState.isTableStatisticsAvailable()) {
+ statListForCollecting.add(MultipartType.OFPMPTABLE);
}
-
- @Override
- public void onFailure(final Throwable throwable) {
- settableResultingFuture.setException(throwable);
+ if (devState.isFlowStatisticsAvailable()) {
+ statListForCollecting.add(MultipartType.OFPMPFLOW);
}
- });
- return settableResultingFuture;
+ if (devState.isGroupAvailable()) {
+ statListForCollecting.add(MultipartType.OFPMPGROUPDESC);
+ statListForCollecting.add(MultipartType.OFPMPGROUP);
+ }
+ if (devState.isMetersAvailable()) {
+ statListForCollecting.add(MultipartType.OFPMPMETERCONFIG);
+ statListForCollecting.add(MultipartType.OFPMPMETER);
+ }
+ if (devState.isPortStatisticsAvailable()) {
+ statListForCollecting.add(MultipartType.OFPMPPORTSTATS);
+ }
+ if (devState.isQueueStatisticsAvailable()) {
+ statListForCollecting.add(MultipartType.OFPMPQUEUE);
+ }
+ collectingStatType = ImmutableList.<MultipartType>copyOf(statListForCollecting);
+ }
}
+
@Override
- public ListenableFuture<Boolean> gatherDynamicData(final MultipartType multipartType) {
- Preconditions.checkArgument(multipartType != null);
- final ListenableFuture<Boolean> resultingFuture = deviceConnectionCheck();
- if (resultingFuture != null) {
- return resultingFuture;
+ public ListenableFuture<Boolean> initialGatherDynamicData() {
+ return gatherDynamicData(true);
+ }
+
+ @Override
+ public ListenableFuture<Boolean> gatherDynamicData(){
+ return gatherDynamicData(false);
+ }
+
+ private ListenableFuture<Boolean> gatherDynamicData(final boolean initial) {
+ if (shuttingDownStatisticsPolling) {
+ LOG.debug("Statistics for device {} is not enabled.", deviceContext.getDeviceInfo().getNodeId());
+ return Futures.immediateFuture(Boolean.TRUE);
+ }
+ final ListenableFuture<Boolean> errorResultFuture = deviceConnectionCheck();
+ if (errorResultFuture != null) {
+ return errorResultFuture;
+ }
+ synchronized (COLLECTION_STAT_TYPE_LOCK) {
+ final Iterator<MultipartType> statIterator = collectingStatType.iterator();
+ final SettableFuture<Boolean> settableStatResultFuture = SettableFuture.create();
+
+ // write start timestamp to state snapshot container
+ StatisticsGatheringUtils.markDeviceStateSnapshotStart(deviceContext);
+
+ statChainFuture(statIterator, settableStatResultFuture, initial);
+
+ // write end timestamp to state snapshot container
+ Futures.addCallback(settableStatResultFuture, new FutureCallback<Boolean>() {
+ @Override
+ public void onSuccess(@Nullable final Boolean result) {
+ StatisticsGatheringUtils.markDeviceStateSnapshotEnd(deviceContext, true);
+ }
+ @Override
+ public void onFailure(final Throwable t) {
+ StatisticsGatheringUtils.markDeviceStateSnapshotEnd(deviceContext, false);
+ }
+ });
+ return settableStatResultFuture;
}
+ }
+
+ private ListenableFuture<Boolean> chooseStat(final MultipartType multipartType, final boolean initial){
switch (multipartType) {
- case OFPMPFLOW:
- return collectFlowStatistics(multipartType);
- case OFPMPTABLE:
- return collectTableStatistics(multipartType);
- case OFPMPPORTSTATS:
- return collectPortStatistics(multipartType);
- case OFPMPQUEUE:
- return collectQueueStatistics(multipartType);
- case OFPMPGROUPDESC:
- return collectGroupDescStatistics(multipartType);
- case OFPMPGROUP:
- return collectGroupStatistics(multipartType);
- case OFPMPMETERCONFIG:
- return collectMeterConfigStatistics(multipartType);
- case OFPMPMETER:
- return collectMeterStatistics(multipartType);
- default:
- LOG.warn("Unsuported Statistics type {}", multipartType);
- return Futures.immediateCheckedFuture(Boolean.TRUE);
+ case OFPMPFLOW:
+ return collectFlowStatistics(multipartType, initial);
+ case OFPMPTABLE:
+ return collectTableStatistics(multipartType);
+ case OFPMPPORTSTATS:
+ return collectPortStatistics(multipartType);
+ case OFPMPQUEUE:
+ return collectQueueStatistics(multipartType);
+ case OFPMPGROUPDESC:
+ return collectGroupDescStatistics(multipartType);
+ case OFPMPGROUP:
+ return collectGroupStatistics(multipartType);
+ case OFPMPMETERCONFIG:
+ return collectMeterConfigStatistics(multipartType);
+ case OFPMPMETER:
+ return collectMeterStatistics(multipartType);
+ default:
+ LOG.warn("Unsuported Statistics type {}", multipartType);
+ return Futures.immediateCheckedFuture(Boolean.TRUE);
}
}
+
@Override
public <T> RequestContext<T> createRequestContext() {
- final AbstractRequestContext<T> ret = new AbstractRequestContext<T>(deviceContext.getReservedXid()) {
+ final AbstractRequestContext<T> ret = new AbstractRequestContext<T>(deviceContext.reserveXidForDeviceMessage()) {
@Override
public void close() {
requestContexts.remove(this);
@Override
public void close() {
- for (final RequestContext<?> requestContext : requestContexts) {
- RequestContextUtil.closeRequestContextWithRpcError(requestContext, CONNECTION_CLOSED);
+ schedulingEnabled = false;
+ for (final Iterator<RequestContext<?>> iterator = Iterators.consumingIterator(requestContexts.iterator());
+ iterator.hasNext();) {
+ RequestContextUtil.closeRequestContextWithRpcError(iterator.next(), CONNECTION_CLOSED);
+ }
+ if (null != pollTimeout && !pollTimeout.isExpired()) {
+ pollTimeout.cancel();
}
}
+ @Override
+ public void setSchedulingEnabled(final boolean schedulingEnabled) {
+ this.schedulingEnabled = schedulingEnabled;
+ }
+
+ @Override
+ public boolean isSchedulingEnabled() {
+ return schedulingEnabled;
+ }
+
+ @Override
+ public void setPollTimeout(final Timeout pollTimeout) {
+ this.pollTimeout = pollTimeout;
+ }
+
+ @Override
+ public Optional<Timeout> getPollTimeout() {
+ return Optional.ofNullable(pollTimeout);
+ }
+
+ private void statChainFuture(final Iterator<MultipartType> iterator, final SettableFuture<Boolean> resultFuture, final boolean initial) {
+ if (ConnectionContext.CONNECTION_STATE.RIP.equals(deviceContext.getPrimaryConnectionContext().getConnectionState())) {
+ final String errMsg = String.format("Device connection is closed for Node : %s.",
+ deviceContext.getDeviceInfo().getNodeId());
+ LOG.debug(errMsg);
+ resultFuture.setException(new IllegalStateException(errMsg));
+ return;
+ }
+ if ( ! iterator.hasNext()) {
+ resultFuture.set(Boolean.TRUE);
+ LOG.debug("Stats collection successfully finished for node {}", deviceContext.getDeviceInfo().getNodeId());
+ return;
+ }
+
+ final MultipartType nextType = iterator.next();
+ LOG.debug("Stats iterating to next type for node {} of type {}", deviceContext.getDeviceInfo().getNodeId(), nextType);
+
+ final ListenableFuture<Boolean> deviceStatisticsCollectionFuture = chooseStat(nextType, initial);
+ Futures.addCallback(deviceStatisticsCollectionFuture, new FutureCallback<Boolean>() {
+ @Override
+ public void onSuccess(final Boolean result) {
+ statChainFuture(iterator, resultFuture, initial);
+ }
+ @Override
+ public void onFailure(@Nonnull final Throwable t) {
+ resultFuture.setException(t);
+ }
+ });
+ }
+
/**
* Method checks a device state. It returns null for be able continue. Otherwise it returns immediateFuture
* which has to be returned from caller too
*
* @return
*/
- private ListenableFuture<Boolean> deviceConnectionCheck() {
- if ( ! ConnectionContext.CONNECTION_STATE.WORKING.equals(deviceContext.getPrimaryConnectionContext().getConnectionState())) {
- ListenableFuture<Boolean> resultingFuture = SettableFuture.create();
+ @VisibleForTesting
+ ListenableFuture<Boolean> deviceConnectionCheck() {
+ if (!ConnectionContext.CONNECTION_STATE.WORKING.equals(deviceContext.getPrimaryConnectionContext().getConnectionState())) {
+ ListenableFuture<Boolean> resultingFuture;
switch (deviceContext.getPrimaryConnectionContext().getConnectionState()) {
- case RIP:
- final String errMsg = String.format("Device connection doesn't exist anymore. Primary connection status : %s",
- deviceContext.getPrimaryConnectionContext().getConnectionState());
- resultingFuture = Futures.immediateFailedFuture(new Throwable(errMsg));
- break;
- default:
- resultingFuture = Futures.immediateCheckedFuture(Boolean.TRUE);
- break;
+ case RIP:
+ final String errMsg = String.format("Device connection doesn't exist anymore. Primary connection status : %s",
+ deviceContext.getPrimaryConnectionContext().getConnectionState());
+ resultingFuture = Futures.immediateFailedFuture(new Throwable(errMsg));
+ break;
+ default:
+ resultingFuture = Futures.immediateCheckedFuture(Boolean.TRUE);
+ break;
}
return resultingFuture;
}
return null;
}
- private ListenableFuture<Boolean> collectFlowStatistics(final MultipartType multipartType) {
+ //TODO: Refactor twice sending deviceContext into gatheringStatistics
+ private ListenableFuture<Boolean> collectFlowStatistics(final MultipartType multipartType, final boolean initial) {
return devState.isFlowStatisticsAvailable() ? StatisticsGatheringUtils.gatherStatistics(
- statisticsGatheringService, deviceContext, /*MultipartType.OFPMPFLOW*/ multipartType) : emptyFuture;
+ statisticsGatheringOnTheFlyService,
+ deviceContext.getDeviceInfo(),
+ /*MultipartType.OFPMPFLOW*/ multipartType,
+ deviceContext,
+ deviceContext,
+ initial) : emptyFuture;
}
private ListenableFuture<Boolean> collectTableStatistics(final MultipartType multipartType) {
return devState.isTableStatisticsAvailable() ? StatisticsGatheringUtils.gatherStatistics(
- statisticsGatheringService, deviceContext, /*MultipartType.OFPMPTABLE*/ multipartType) : emptyFuture;
+ statisticsGatheringService,
+ deviceContext.getDeviceInfo(),
+ /*MultipartType.OFPMPTABLE*/ multipartType,
+ deviceContext,
+ deviceContext,
+ false) : emptyFuture;
}
private ListenableFuture<Boolean> collectPortStatistics(final MultipartType multipartType) {
return devState.isPortStatisticsAvailable() ? StatisticsGatheringUtils.gatherStatistics(
- statisticsGatheringService, deviceContext, /*MultipartType.OFPMPPORTSTATS*/ multipartType) : emptyFuture;
+ statisticsGatheringService,
+ deviceContext.getDeviceInfo(),
+ /*MultipartType.OFPMPPORTSTATS*/ multipartType,
+ deviceContext,
+ deviceContext,
+ false) : emptyFuture;
}
private ListenableFuture<Boolean> collectQueueStatistics(final MultipartType multipartType) {
- return devState.isQueueStatisticsAvailable() ? StatisticsGatheringUtils.gatherStatistics(
- statisticsGatheringService, deviceContext, /*MultipartType.OFPMPQUEUE*/ multipartType) : emptyFuture;
+ return !devState.isQueueStatisticsAvailable() ? emptyFuture : StatisticsGatheringUtils.gatherStatistics(
+ statisticsGatheringService,
+ deviceContext.getDeviceInfo(),
+ /*MultipartType.OFPMPQUEUE*/ multipartType,
+ deviceContext,
+ deviceContext,
+ false);
}
private ListenableFuture<Boolean> collectGroupDescStatistics(final MultipartType multipartType) {
return devState.isGroupAvailable() ? StatisticsGatheringUtils.gatherStatistics(
- statisticsGatheringService, deviceContext, /*MultipartType.OFPMPGROUPDESC*/ multipartType) : emptyFuture;
+ statisticsGatheringService,
+ deviceContext.getDeviceInfo(),
+ /*MultipartType.OFPMPGROUPDESC*/ multipartType,
+ deviceContext,
+ deviceContext,
+ false) : emptyFuture;
}
private ListenableFuture<Boolean> collectGroupStatistics(final MultipartType multipartType) {
return devState.isGroupAvailable() ? StatisticsGatheringUtils.gatherStatistics(
- statisticsGatheringService, deviceContext, /*MultipartType.OFPMPGROUP*/ multipartType) : emptyFuture;
+ statisticsGatheringService,
+ deviceContext.getDeviceInfo(),
+ /*MultipartType.OFPMPGROUP*/ multipartType,
+ deviceContext,
+ deviceContext,
+ false) : emptyFuture;
}
private ListenableFuture<Boolean> collectMeterConfigStatistics(final MultipartType multipartType) {
return devState.isMetersAvailable() ? StatisticsGatheringUtils.gatherStatistics(
- statisticsGatheringService, deviceContext, /*MultipartType.OFPMPMETERCONFIG*/ multipartType) : emptyFuture;
+ statisticsGatheringService,
+ deviceContext.getDeviceInfo(),
+ /*MultipartType.OFPMPMETERCONFIG*/ multipartType,
+ deviceContext,
+ deviceContext,
+ false) : emptyFuture;
}
private ListenableFuture<Boolean> collectMeterStatistics(final MultipartType multipartType) {
return devState.isMetersAvailable() ? StatisticsGatheringUtils.gatherStatistics(
- statisticsGatheringService, deviceContext, /*MultipartType.OFPMPMETER*/ multipartType) : emptyFuture;
+ statisticsGatheringService,
+ deviceContext.getDeviceInfo(),
+ /*MultipartType.OFPMPMETER*/ multipartType,
+ deviceContext,
+ deviceContext,
+ false) : emptyFuture;
}
+
+ @VisibleForTesting
+ void setStatisticsGatheringService(final StatisticsGatheringService statisticsGatheringService) {
+ this.statisticsGatheringService = statisticsGatheringService;
+ }
+
+ @VisibleForTesting
+ void setStatisticsGatheringOnTheFlyService(final StatisticsGatheringOnTheFlyService
+ statisticsGatheringOnTheFlyService) {
+ this.statisticsGatheringOnTheFlyService = statisticsGatheringOnTheFlyService;
+ }
+
+ @Override
+ public ItemLifecycleListener getItemLifeCycleListener () {
+ return itemLifeCycleListener;
+ }
+
}