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 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 javax.annotation.CheckForNull;
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.slf4j.Logger;
import org.slf4j.LoggerFactory;
-/**
- * Created by Martin Bobak <mbobak@cisco.com> on 1.4.2015.
- */
-public class StatisticsContextImpl implements StatisticsContext {
+import javax.annotation.CheckForNull;
+import javax.annotation.Nonnull;
+import javax.annotation.Nullable;
+import javax.annotation.concurrent.GuardedBy;
+import java.util.ArrayList;
+import java.util.Collection;
+import java.util.HashSet;
+import java.util.Iterator;
+import java.util.List;
+import java.util.Optional;
+
+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 List<MultipartType> collectingStatType;
+ private final boolean shuttingDownStatisticsPolling;
+ private final Object COLLECTION_STAT_TYPE_LOCK = new Object();
+ @GuardedBy("COLLECTION_STAT_TYPE_LOCK")
+ private List<MultipartType> collectingStatType;
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();
+ this.deviceContext.setStatisticsContext(StatisticsContextImpl.this);
+ }
- final List<MultipartType> statListForCollecting = new ArrayList<>();
- if (devState.isTableStatisticsAvailable()) {
- statListForCollecting.add(MultipartType.OFPMPTABLE);
- }
- if (devState.isFlowStatisticsAvailable()) {
- statListForCollecting.add(MultipartType.OFPMPFLOW);
- }
- 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);
+ @Override
+ public void statListForCollectingInitialization() {
+ synchronized (COLLECTION_STAT_TYPE_LOCK) {
+ final List<MultipartType> statListForCollecting = new ArrayList<>();
+ if (devState.isTableStatisticsAvailable()) {
+ statListForCollecting.add(MultipartType.OFPMPTABLE);
+ }
+ if (devState.isFlowStatisticsAvailable()) {
+ statListForCollecting.add(MultipartType.OFPMPFLOW);
+ }
+ 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);
}
- collectingStatType = ImmutableList.<MultipartType>copyOf(statListForCollecting);
}
@Override
public ListenableFuture<Boolean> gatherDynamicData() {
+ 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;
}
- final Iterator<MultipartType> statIterator = collectingStatType.iterator();
- final SettableFuture<Boolean> settableStatResultFuture = SettableFuture.create();
- statChainFuture(statIterator, settableStatResultFuture);
- return settableStatResultFuture;
+ 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);
+
+ // 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) {
+ private ListenableFuture<Boolean> chooseStat(final MultipartType multipartType){
switch (multipartType) {
case OFPMPFLOW:
return collectFlowStatistics(multipartType);
}
}
+
@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 setPollTimeout(Timeout pollTimeout) {
+ 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;
}
- void statChainFuture(final Iterator<MultipartType> iterator, final SettableFuture<Boolean> resultFuture) {
+ @Override
+ public Optional<Timeout> getPollTimeout() {
+ return Optional.ofNullable(pollTimeout);
+ }
+
+ private void statChainFuture(final Iterator<MultipartType> iterator, final SettableFuture<Boolean> resultFuture) {
+ 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 ListenableFuture<Boolean> deviceStatisticsCollectionFuture = chooseStat(iterator.next());
+
+ 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);
Futures.addCallback(deviceStatisticsCollectionFuture, new FutureCallback<Boolean>() {
@Override
public void onSuccess(final Boolean result) {
statChainFuture(iterator, resultFuture);
}
@Override
- public void onFailure(final Throwable t) {
+ public void onFailure(@Nonnull final Throwable t) {
resultFuture.setException(t);
}
});
return null;
}
+ //TODO: Refactor twice sending deviceContext into gatheringStatistics
private ListenableFuture<Boolean> collectFlowStatistics(final MultipartType multipartType) {
return devState.isFlowStatisticsAvailable() ? StatisticsGatheringUtils.gatherStatistics(
- statisticsGatheringOnTheFlyService, deviceContext, /*MultipartType.OFPMPFLOW*/ multipartType) : emptyFuture;
+ statisticsGatheringOnTheFlyService,
+ deviceContext.getDeviceInfo(),
+ /*MultipartType.OFPMPFLOW*/ multipartType,
+ deviceContext,
+ deviceContext,
+ devState) : 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,
+ devState) : 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,
+ devState) : 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,
+ devState);
}
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,
+ devState) : 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,
+ devState) : 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,
+ devState) : 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,
+ devState) : emptyFuture;
}
@VisibleForTesting
- protected void setStatisticsGatheringService(StatisticsGatheringService statisticsGatheringService) {
+ void setStatisticsGatheringService(final StatisticsGatheringService statisticsGatheringService) {
this.statisticsGatheringService = statisticsGatheringService;
}
@VisibleForTesting
- protected void setStatisticsGatheringOnTheFlyService(StatisticsGatheringOnTheFlyService
+ void setStatisticsGatheringOnTheFlyService(final StatisticsGatheringOnTheFlyService
statisticsGatheringOnTheFlyService) {
this.statisticsGatheringOnTheFlyService = statisticsGatheringOnTheFlyService;
}
+ @Override
+ public ItemLifecycleListener getItemLifeCycleListener () {
+ return itemLifeCycleListener;
+ }
+
}