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.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.Arrays;
+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.DeviceState;
import org.opendaylight.openflowplugin.api.openflow.device.RequestContext;
+import org.opendaylight.openflowplugin.api.openflow.rpc.listener.ItemLifecycleListener;
import org.opendaylight.openflowplugin.api.openflow.statistics.StatisticsContext;
-import org.opendaylight.openflowplugin.impl.rpc.RequestContextImpl;
+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.flow.statistics.rev130819.GetAllFlowsStatisticsFromAllFlowTablesInputBuilder;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.NodeRef;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.Nodes;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.nodes.Node;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.nodes.NodeKey;
import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.types.rev130731.MultipartType;
-import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
-import org.opendaylight.yangtools.yang.binding.KeyedInstanceIdentifier;
-import org.opendaylight.yangtools.yang.common.RpcResult;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
public class StatisticsContextImpl implements StatisticsContext {
private static final Logger LOG = LoggerFactory.getLogger(StatisticsContextImpl.class);
- private final List<RequestContext> requestContexts = new ArrayList();
- private final DeviceContext deviceContext;
+ 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 StatisticsGatheringService statisticsGatheringService;
+ private StatisticsGatheringService statisticsGatheringService;
+ private StatisticsGatheringOnTheFlyService statisticsGatheringOnTheFlyService;
+ private Timeout pollTimeout;
- public StatisticsContextImpl(final DeviceContext deviceContext) {
- this.deviceContext = deviceContext;
+ public StatisticsContextImpl(@CheckForNull final DeviceContext deviceContext) {
+ this.deviceContext = Preconditions.checkNotNull(deviceContext);
+ devState = Preconditions.checkNotNull(deviceContext.getDeviceState());
+ emptyFuture = Futures.immediateFuture(new Boolean(false));
statisticsGatheringService = new StatisticsGatheringService(this, deviceContext);
+ statisticsGatheringOnTheFlyService = new StatisticsGatheringOnTheFlyService(this, deviceContext);
- }
-
- private void pollFlowStatistics() {
- final KeyedInstanceIdentifier<Node, NodeKey> nodeII = InstanceIdentifier.create(Nodes.class).child(Node.class, new NodeKey(deviceContext.getPrimaryConnectionContext().getNodeId()));
- final NodeRef nodeRef = new NodeRef(nodeII);
- final GetAllFlowsStatisticsFromAllFlowTablesInputBuilder builder =
- new GetAllFlowsStatisticsFromAllFlowTablesInputBuilder();
- builder.setNode(nodeRef);
- //TODO : process data from result
+ 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);
+ itemLifeCycleListener = new ItemLifecycleListenerImpl(deviceContext);
}
@Override
- public ListenableFuture<Void> gatherDynamicData() {
-
- final DeviceState devState = deviceContext.getDeviceState();
-
- ListenableFuture<Boolean> emptyFuture = Futures.immediateFuture(null);
- final ListenableFuture<Boolean> flowStatistics = devState.isFlowStatisticsAvailable() ? wrapLoggingOnStatisticsRequestCall(MultipartType.OFPMPFLOW) : emptyFuture;
-
- final ListenableFuture<Boolean> tableStatistics = devState.isTableStatisticsAvailable() ? wrapLoggingOnStatisticsRequestCall(MultipartType.OFPMPTABLE) : emptyFuture;
+ public ListenableFuture<Boolean> gatherDynamicData() {
+ 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;
+ }
- final ListenableFuture<Boolean> portStatistics = devState.isPortStatisticsAvailable() ? wrapLoggingOnStatisticsRequestCall(MultipartType.OFPMPPORTSTATS) : emptyFuture;
+ private ListenableFuture<Boolean> chooseStat(final MultipartType multipartType) {
+ 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);
+ }
+ }
- final ListenableFuture<Boolean> queueStatistics = devState.isQueueStatisticsAvailable() ? wrapLoggingOnStatisticsRequestCall(MultipartType.OFPMPQUEUE) : emptyFuture;
+ @Override
+ public <T> RequestContext<T> createRequestContext() {
+ final AbstractRequestContext<T> ret = new AbstractRequestContext<T>(deviceContext.getReservedXid()) {
+ @Override
+ public void close() {
+ requestContexts.remove(this);
+ }
+ };
+ requestContexts.add(ret);
+ return ret;
+ }
- final ListenableFuture<Boolean> groupDescStatistics = devState.isGroupAvailable() ? wrapLoggingOnStatisticsRequestCall(MultipartType.OFPMPGROUPDESC) : emptyFuture;
- final ListenableFuture<Boolean> groupStatistics = devState.isGroupAvailable() ? wrapLoggingOnStatisticsRequestCall(MultipartType.OFPMPGROUP) : emptyFuture;
+ @Override
+ public void close() {
+ for (final RequestContext<?> requestContext : requestContexts) {
+ RequestContextUtil.closeRequestContextWithRpcError(requestContext, CONNECTION_CLOSED);
+ }
+ if (null != pollTimeout && !pollTimeout.isExpired()) {
+ pollTimeout.cancel();
+ }
+ }
- final ListenableFuture<Boolean> meterConfigStatistics = devState.isMetersAvailable() ? wrapLoggingOnStatisticsRequestCall(MultipartType.OFPMPMETERCONFIG) : emptyFuture;
- final ListenableFuture<Boolean> meterStatistics = devState.isMetersAvailable() ? wrapLoggingOnStatisticsRequestCall(MultipartType.OFPMPMETER) : emptyFuture;
+ @Override
+ public void setPollTimeout(Timeout pollTimeout) {
+ this.pollTimeout = pollTimeout;
+ }
+ @Override
+ public Optional<Timeout> getPollTimeout() {
+ return Optional.fromNullable(pollTimeout);
+ }
- final ListenableFuture<List<Boolean>> allFutures = Futures.allAsList(Arrays.asList(flowStatistics, tableStatistics, groupDescStatistics, groupStatistics, meterConfigStatistics, meterStatistics, portStatistics, queueStatistics));
- final SettableFuture<Void> resultingFuture = SettableFuture.create();
- Futures.addCallback(allFutures, new FutureCallback<List<Boolean>>() {
+ void statChainFuture(final Iterator<MultipartType> iterator, final SettableFuture<Boolean> resultFuture) {
+ if ( ! iterator.hasNext()) {
+ resultFuture.set(Boolean.TRUE);
+ return;
+ }
+ final ListenableFuture<Boolean> deviceStatisticsCollectionFuture = chooseStat(iterator.next());
+ Futures.addCallback(deviceStatisticsCollectionFuture, new FutureCallback<Boolean>() {
@Override
- public void onSuccess(final List<Boolean> booleans) {
- resultingFuture.set(null);
+ public void onSuccess(final Boolean result) {
+ statChainFuture(iterator, resultFuture);
}
-
@Override
- public void onFailure(final Throwable throwable) {
- resultingFuture.setException(throwable);
+ public void onFailure(final Throwable t) {
+ resultFuture.setException(t);
}
});
- return resultingFuture;
}
- private ListenableFuture<Boolean> wrapLoggingOnStatisticsRequestCall(final MultipartType type) {
- final ListenableFuture<Boolean> future = StatisticsGatheringUtils.gatherStatistics(statisticsGatheringService, deviceContext, type);
- Futures.addCallback(future, new FutureCallback() {
- @Override
- public void onSuccess(final Object o) {
- LOG.trace("Multipart response for {} was successful.", type);
+ /**
+ * 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
+ */
+ @VisibleForTesting
+ ListenableFuture<Boolean> deviceConnectionCheck() {
+ if (!ConnectionContext.CONNECTION_STATE.WORKING.equals(deviceContext.getPrimaryConnectionContext().getConnectionState())) {
+ ListenableFuture<Boolean> resultingFuture = SettableFuture.create();
+ 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;
}
+ return resultingFuture;
+ }
+ return null;
+ }
- @Override
- public void onFailure(final Throwable throwable) {
- LOG.trace("Multipart response for {} FAILED.", type, throwable);
- }
- });
- return future;
+ private ListenableFuture<Boolean> collectFlowStatistics(final MultipartType multipartType) {
+ return devState.isFlowStatisticsAvailable() ? StatisticsGatheringUtils.gatherStatistics(
+ statisticsGatheringOnTheFlyService, deviceContext, /*MultipartType.OFPMPFLOW*/ multipartType) : emptyFuture;
}
- @Override
- public <T> void forgetRequestContext(final RequestContext<T> requestContext) {
- requestContexts.remove(requestContexts);
+ private ListenableFuture<Boolean> collectTableStatistics(final MultipartType multipartType) {
+ return devState.isTableStatisticsAvailable() ? StatisticsGatheringUtils.gatherStatistics(
+ statisticsGatheringService, deviceContext, /*MultipartType.OFPMPTABLE*/ multipartType) : emptyFuture;
}
- @Override
- public <T> SettableFuture<RpcResult<T>> storeOrFail(final RequestContext<T> data) {
- requestContexts.add(data);
- return data.getFuture();
+ private ListenableFuture<Boolean> collectPortStatistics(final MultipartType multipartType) {
+ return devState.isPortStatisticsAvailable() ? StatisticsGatheringUtils.gatherStatistics(
+ statisticsGatheringService, deviceContext, /*MultipartType.OFPMPPORTSTATS*/ multipartType) : emptyFuture;
+ }
+
+ private ListenableFuture<Boolean> collectQueueStatistics(final MultipartType multipartType) {
+ return devState.isQueueStatisticsAvailable() ? StatisticsGatheringUtils.gatherStatistics(
+ statisticsGatheringService, deviceContext, /*MultipartType.OFPMPQUEUE*/ multipartType) : emptyFuture;
+ }
+
+ private ListenableFuture<Boolean> collectGroupDescStatistics(final MultipartType multipartType) {
+ return devState.isGroupAvailable() ? StatisticsGatheringUtils.gatherStatistics(
+ statisticsGatheringService, deviceContext, /*MultipartType.OFPMPGROUPDESC*/ multipartType) : emptyFuture;
+ }
+
+ private ListenableFuture<Boolean> collectGroupStatistics(final MultipartType multipartType) {
+ return devState.isGroupAvailable() ? StatisticsGatheringUtils.gatherStatistics(
+ statisticsGatheringService, deviceContext, /*MultipartType.OFPMPGROUP*/ multipartType) : emptyFuture;
+ }
+
+ private ListenableFuture<Boolean> collectMeterConfigStatistics(final MultipartType multipartType) {
+ return devState.isMetersAvailable() ? StatisticsGatheringUtils.gatherStatistics(
+ statisticsGatheringService, deviceContext, /*MultipartType.OFPMPMETERCONFIG*/ multipartType) : emptyFuture;
+ }
+
+ private ListenableFuture<Boolean> collectMeterStatistics(final MultipartType multipartType) {
+ return devState.isMetersAvailable() ? StatisticsGatheringUtils.gatherStatistics(
+ statisticsGatheringService, deviceContext, /*MultipartType.OFPMPMETER*/ multipartType) : emptyFuture;
+ }
+
+ @VisibleForTesting
+ protected void setStatisticsGatheringService(StatisticsGatheringService statisticsGatheringService) {
+ this.statisticsGatheringService = statisticsGatheringService;
+ }
+
+ @VisibleForTesting
+ protected void setStatisticsGatheringOnTheFlyService(StatisticsGatheringOnTheFlyService
+ statisticsGatheringOnTheFlyService) {
+ this.statisticsGatheringOnTheFlyService = statisticsGatheringOnTheFlyService;
}
@Override
- public <T> RequestContext<T> createRequestContext() {
- return new RequestContextImpl<>(this);
+ public ItemLifecycleListener getItemLifeCycleListener() {
+ return itemLifeCycleListener;
}
}