package org.opendaylight.openflowplugin.impl.statistics;
import com.google.common.annotations.VisibleForTesting;
-import com.google.common.base.Optional;
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 java.util.HashSet;
import java.util.Iterator;
import java.util.List;
-import javax.annotation.CheckForNull;
+import java.util.Optional;
+import java.util.concurrent.ExecutionException;
+import javax.annotation.Nonnull;
+import javax.annotation.Nullable;
+import javax.annotation.concurrent.GuardedBy;
+import org.opendaylight.mdsal.singleton.common.api.ServiceGroupIdentifier;
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.api.openflow.statistics.StatisticsManager;
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.openflowplugin.openflow.md.core.sal.convertor.ConvertorExecutor;
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 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();
+ private final SinglePurposeMultipartReplyTranslator multipartReplyTranslator;
+ @GuardedBy("COLLECTION_STAT_TYPE_LOCK")
+ private List<MultipartType> collectingStatType;
private StatisticsGatheringService statisticsGatheringService;
private StatisticsGatheringOnTheFlyService statisticsGatheringOnTheFlyService;
private Timeout pollTimeout;
+ private final DeviceInfo deviceInfo;
+ private final StatisticsManager myManager;
+
+ private volatile boolean schedulingEnabled;
+ private volatile CONTEXT_STATE state;
- public StatisticsContextImpl(@CheckForNull final DeviceContext deviceContext) {
- this.deviceContext = Preconditions.checkNotNull(deviceContext);
- devState = Preconditions.checkNotNull(deviceContext.getDeviceState());
- emptyFuture = Futures.immediateFuture(new Boolean(false));
+ StatisticsContextImpl(@Nonnull final DeviceInfo deviceInfo,
+ @Nonnull final boolean shuttingDownStatisticsPolling,
+ @Nonnull final LifecycleConductor lifecycleConductor,
+ @Nonnull final ConvertorExecutor convertorExecutor,
+ @Nonnull final StatisticsManager myManager) {
+ this.deviceContext = Preconditions.checkNotNull(lifecycleConductor.getDeviceContext(deviceInfo));
+ this.devState = Preconditions.checkNotNull(deviceContext.getDeviceState());
+ this.shuttingDownStatisticsPolling = shuttingDownStatisticsPolling;
+ multipartReplyTranslator = new SinglePurposeMultipartReplyTranslator(convertorExecutor);
+ emptyFuture = Futures.immediateFuture(false);
statisticsGatheringService = new StatisticsGatheringService(this, deviceContext);
- statisticsGatheringOnTheFlyService = new StatisticsGatheringOnTheFlyService(this, deviceContext);
+ statisticsGatheringOnTheFlyService = new StatisticsGatheringOnTheFlyService(this, deviceContext, convertorExecutor);
+ itemLifeCycleListener = new ItemLifecycleListenerImpl(deviceContext);
+ statListForCollectingInitialization();
+ setState(CONTEXT_STATE.INITIALIZATION);
+ this.deviceInfo = deviceInfo;
+ this.myManager = myManager;
+ }
- 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);
- itemLifeCycleListener = new ItemLifecycleListenerImpl(deviceContext);
+ }
+
+
+ @Override
+ public ListenableFuture<Boolean> initialGatherDynamicData() {
+ return gatherDynamicData(true);
}
@Override
- public ListenableFuture<Boolean> gatherDynamicData() {
+ public ListenableFuture<Boolean> gatherDynamicData(){
+ return gatherDynamicData(false);
+ }
+
+ private ListenableFuture<Boolean> gatherDynamicData(final boolean initial) {
+ if (shuttingDownStatisticsPolling) {
+ LOG.debug("Statistics for device {} is not enabled.", getDeviceInfo().getNodeId().getValue());
+ 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, 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) {
+ private ListenableFuture<Boolean> chooseStat(final MultipartType multipartType, final boolean initial){
switch (multipartType) {
case OFPMPFLOW:
- return collectFlowStatistics(multipartType);
+ return collectFlowStatistics(multipartType, initial);
case OFPMPTABLE:
return collectTableStatistics(multipartType);
case OFPMPPORTSTATS:
}
}
+
@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);
- }
- if (null != pollTimeout && !pollTimeout.isExpired()) {
- pollTimeout.cancel();
+ if (CONTEXT_STATE.TERMINATION.equals(getState())) {
+ if (LOG.isDebugEnabled()) {
+ LOG.debug("Statistics context is already in state TERMINATION.");
+ }
+ } else {
+ setState(CONTEXT_STATE.TERMINATION);
+ 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;
}
@Override
public Optional<Timeout> getPollTimeout() {
- return Optional.fromNullable(pollTimeout);
+ return Optional.ofNullable(pollTimeout);
}
- void statChainFuture(final Iterator<MultipartType> iterator, final SettableFuture<Boolean> resultFuture) {
+ 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.",
+ 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.getDeviceState().getNodeId());
+ LOG.debug("Stats collection successfully finished for node {}", getDeviceInfo().getNodeId());
return;
}
final MultipartType nextType = iterator.next();
- LOG.debug("Stats iterating to next type for node {} of type {}", deviceContext.getDeviceState().getNodeId(), nextType);
+ LOG.debug("Stats iterating to next type for node {} of type {}", getDeviceInfo().getNodeId(), nextType);
- final ListenableFuture<Boolean> deviceStatisticsCollectionFuture = chooseStat(nextType);
+ final ListenableFuture<Boolean> deviceStatisticsCollectionFuture = chooseStat(nextType, initial);
Futures.addCallback(deviceStatisticsCollectionFuture, new FutureCallback<Boolean>() {
@Override
public void onSuccess(final Boolean result) {
- statChainFuture(iterator, resultFuture);
+ statChainFuture(iterator, resultFuture, initial);
}
@Override
- public void onFailure(final Throwable t) {
+ public void onFailure(@Nonnull final Throwable t) {
resultFuture.setException(t);
}
});
@VisibleForTesting
ListenableFuture<Boolean> deviceConnectionCheck() {
if (!ConnectionContext.CONNECTION_STATE.WORKING.equals(deviceContext.getPrimaryConnectionContext().getConnectionState())) {
- ListenableFuture<Boolean> resultingFuture = SettableFuture.create();
+ ListenableFuture<Boolean> resultingFuture;
switch (deviceContext.getPrimaryConnectionContext().getConnectionState()) {
case RIP:
final String errMsg = String.format("Device connection doesn't exist anymore. Primary connection status : %s",
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(
- statisticsGatheringOnTheFlyService, deviceContext, /*MultipartType.OFPMPFLOW*/ multipartType) : emptyFuture;
+ statisticsGatheringOnTheFlyService,
+ getDeviceInfo(),
+ /*MultipartType.OFPMPFLOW*/ multipartType,
+ deviceContext,
+ deviceContext,
+ initial, multipartReplyTranslator) : emptyFuture;
}
private ListenableFuture<Boolean> collectTableStatistics(final MultipartType multipartType) {
return devState.isTableStatisticsAvailable() ? StatisticsGatheringUtils.gatherStatistics(
- statisticsGatheringService, deviceContext, /*MultipartType.OFPMPTABLE*/ multipartType) : emptyFuture;
+ statisticsGatheringService,
+ getDeviceInfo(),
+ /*MultipartType.OFPMPTABLE*/ multipartType,
+ deviceContext,
+ deviceContext,
+ false, multipartReplyTranslator) : emptyFuture;
}
private ListenableFuture<Boolean> collectPortStatistics(final MultipartType multipartType) {
return devState.isPortStatisticsAvailable() ? StatisticsGatheringUtils.gatherStatistics(
- statisticsGatheringService, deviceContext, /*MultipartType.OFPMPPORTSTATS*/ multipartType) : emptyFuture;
+ statisticsGatheringService,
+ getDeviceInfo(),
+ /*MultipartType.OFPMPPORTSTATS*/ multipartType,
+ deviceContext,
+ deviceContext,
+ false, multipartReplyTranslator) : 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,
+ getDeviceInfo(),
+ /*MultipartType.OFPMPQUEUE*/ multipartType,
+ deviceContext,
+ deviceContext,
+ false, multipartReplyTranslator);
}
private ListenableFuture<Boolean> collectGroupDescStatistics(final MultipartType multipartType) {
return devState.isGroupAvailable() ? StatisticsGatheringUtils.gatherStatistics(
- statisticsGatheringService, deviceContext, /*MultipartType.OFPMPGROUPDESC*/ multipartType) : emptyFuture;
+ statisticsGatheringService,
+ getDeviceInfo(),
+ /*MultipartType.OFPMPGROUPDESC*/ multipartType,
+ deviceContext,
+ deviceContext,
+ false, multipartReplyTranslator) : emptyFuture;
}
private ListenableFuture<Boolean> collectGroupStatistics(final MultipartType multipartType) {
return devState.isGroupAvailable() ? StatisticsGatheringUtils.gatherStatistics(
- statisticsGatheringService, deviceContext, /*MultipartType.OFPMPGROUP*/ multipartType) : emptyFuture;
+ statisticsGatheringService,
+ getDeviceInfo(),
+ /*MultipartType.OFPMPGROUP*/ multipartType,
+ deviceContext,
+ deviceContext,
+ false, multipartReplyTranslator) : emptyFuture;
}
private ListenableFuture<Boolean> collectMeterConfigStatistics(final MultipartType multipartType) {
return devState.isMetersAvailable() ? StatisticsGatheringUtils.gatherStatistics(
- statisticsGatheringService, deviceContext, /*MultipartType.OFPMPMETERCONFIG*/ multipartType) : emptyFuture;
+ statisticsGatheringService,
+ getDeviceInfo(),
+ /*MultipartType.OFPMPMETERCONFIG*/ multipartType,
+ deviceContext,
+ deviceContext,
+ false, multipartReplyTranslator) : emptyFuture;
}
private ListenableFuture<Boolean> collectMeterStatistics(final MultipartType multipartType) {
return devState.isMetersAvailable() ? StatisticsGatheringUtils.gatherStatistics(
- statisticsGatheringService, deviceContext, /*MultipartType.OFPMPMETER*/ multipartType) : emptyFuture;
+ statisticsGatheringService,
+ getDeviceInfo(),
+ /*MultipartType.OFPMPMETER*/ multipartType,
+ deviceContext,
+ deviceContext,
+ false, multipartReplyTranslator) : 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() {
+ public ItemLifecycleListener getItemLifeCycleListener () {
return itemLifeCycleListener;
}
+
+ @Override
+ public CONTEXT_STATE getState() {
+ return this.state;
+ }
+
+ @Override
+ public void setState(CONTEXT_STATE state) {
+ this.state = state;
+ }
+
+ @Override
+ public ServiceGroupIdentifier getServiceIdentifier() {
+ return this.deviceInfo.getServiceIdentifier();
+ }
+
+ @Override
+ public DeviceInfo getDeviceInfo() {
+ return this.deviceInfo;
+ }
+
+ @Override
+ public void startupClusterServices() throws ExecutionException, InterruptedException {
+ if (!this.shuttingDownStatisticsPolling) {
+ this.statListForCollectingInitialization();
+ this.initialGatherDynamicData();
+ myManager.startScheduling(deviceInfo);
+ }
+ }
+
+ @Override
+ public ListenableFuture<Void> stopClusterServices() {
+ myManager.stopScheduling(deviceInfo);
+ return Futures.immediateFuture(null);
+ }
}