Java tutorial
/* * Copyright (c) 2015 Cisco Systems, Inc. and others. All rights reserved. * * This program and the accompanying materials are made available under the * terms of the Eclipse Public License v1.0 which accompanies this distribution, * and is available at http://www.eclipse.org/legal/epl-v10.html */ package org.opendaylight.openflowplugin.impl.statistics; import com.google.common.base.Function; import com.google.common.base.Optional; import com.google.common.collect.Iterables; import com.google.common.util.concurrent.CheckedFuture; import com.google.common.util.concurrent.Futures; import com.google.common.util.concurrent.JdkFutureAdapters; import com.google.common.util.concurrent.ListenableFuture; import java.util.Collections; import java.util.List; import java.util.concurrent.ExecutionException; import javax.annotation.Nullable; import org.opendaylight.controller.md.sal.binding.api.ReadTransaction; import org.opendaylight.controller.md.sal.common.api.data.LogicalDatastoreType; import org.opendaylight.controller.md.sal.common.api.data.ReadFailedException; import org.opendaylight.openflowplugin.api.openflow.device.DeviceContext; import org.opendaylight.openflowplugin.api.openflow.registry.flow.FlowRegistryKey; import org.opendaylight.openflowplugin.api.openflow.statistics.ofpspecific.EventIdentifier; import org.opendaylight.openflowplugin.api.openflow.statistics.ofpspecific.StatisticsGatherer; import org.opendaylight.openflowplugin.impl.registry.flow.FlowRegistryKeyFactory; import org.opendaylight.openflowplugin.impl.statistics.ofpspecific.EventsTimeCounter; import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.inventory.rev130819.FlowCapableNode; import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.inventory.rev130819.FlowCapableNodeConnector; import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.inventory.rev130819.FlowId; import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.inventory.rev130819.meters.Meter; import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.inventory.rev130819.meters.MeterBuilder; import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.inventory.rev130819.meters.MeterKey; import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.inventory.rev130819.tables.Table; import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.inventory.rev130819.tables.TableBuilder; import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.inventory.rev130819.tables.TableKey; import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.inventory.rev130819.tables.table.Flow; import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.inventory.rev130819.tables.table.FlowBuilder; import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.inventory.rev130819.tables.table.FlowKey; import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.statistics.rev130819.FlowStatisticsData; import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.statistics.rev130819.FlowStatisticsDataBuilder; import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.statistics.rev130819.FlowsStatisticsUpdate; import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.statistics.rev130819.flow.and.statistics.map.list.FlowAndStatisticsMapList; import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.statistics.rev130819.flow.statistics.FlowStatisticsBuilder; import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.table.statistics.rev131215.FlowTableStatisticsData; import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.table.statistics.rev131215.FlowTableStatisticsUpdate; import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.table.statistics.rev131215.flow.table.and.statistics.map.FlowTableAndStatisticsMap; import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.table.statistics.rev131215.flow.table.statistics.FlowTableStatistics; import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.table.statistics.rev131215.flow.table.statistics.FlowTableStatisticsBuilder; import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.types.port.rev130925.queues.Queue; import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.types.port.rev130925.queues.QueueBuilder; import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.types.port.rev130925.queues.QueueKey; import org.opendaylight.yang.gen.v1.urn.opendaylight.group.statistics.rev131111.GroupDescStatsUpdated; import org.opendaylight.yang.gen.v1.urn.opendaylight.group.statistics.rev131111.GroupStatisticsUpdated; import org.opendaylight.yang.gen.v1.urn.opendaylight.group.statistics.rev131111.NodeGroupStatistics; import org.opendaylight.yang.gen.v1.urn.opendaylight.group.statistics.rev131111.NodeGroupStatisticsBuilder; import org.opendaylight.yang.gen.v1.urn.opendaylight.group.statistics.rev131111.group.statistics.GroupStatistics; import org.opendaylight.yang.gen.v1.urn.opendaylight.group.statistics.rev131111.group.statistics.GroupStatisticsBuilder; import org.opendaylight.yang.gen.v1.urn.opendaylight.group.types.rev131018.GroupId; import org.opendaylight.yang.gen.v1.urn.opendaylight.group.types.rev131018.group.desc.stats.reply.GroupDescStats; import org.opendaylight.yang.gen.v1.urn.opendaylight.group.types.rev131018.group.statistics.reply.GroupStats; import org.opendaylight.yang.gen.v1.urn.opendaylight.group.types.rev131018.groups.Group; import org.opendaylight.yang.gen.v1.urn.opendaylight.group.types.rev131018.groups.GroupBuilder; import org.opendaylight.yang.gen.v1.urn.opendaylight.group.types.rev131018.groups.GroupKey; import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.node.NodeConnector; import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.node.NodeConnectorKey; import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.nodes.Node; import org.opendaylight.yang.gen.v1.urn.opendaylight.meter.statistics.rev131111.MeterConfigStatsUpdated; import org.opendaylight.yang.gen.v1.urn.opendaylight.meter.statistics.rev131111.MeterStatisticsUpdated; import org.opendaylight.yang.gen.v1.urn.opendaylight.meter.statistics.rev131111.NodeMeterStatistics; import org.opendaylight.yang.gen.v1.urn.opendaylight.meter.statistics.rev131111.NodeMeterStatisticsBuilder; import org.opendaylight.yang.gen.v1.urn.opendaylight.meter.statistics.rev131111.nodes.node.meter.MeterStatistics; import org.opendaylight.yang.gen.v1.urn.opendaylight.meter.statistics.rev131111.nodes.node.meter.MeterStatisticsBuilder; import org.opendaylight.yang.gen.v1.urn.opendaylight.meter.types.rev130918.MeterId; import org.opendaylight.yang.gen.v1.urn.opendaylight.meter.types.rev130918.meter.config.stats.reply.MeterConfigStats; import org.opendaylight.yang.gen.v1.urn.opendaylight.meter.types.rev130918.meter.statistics.reply.MeterStats; import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.types.rev130731.MultipartType; import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.MultipartReply; import org.opendaylight.yang.gen.v1.urn.opendaylight.port.statistics.rev131214.FlowCapableNodeConnectorStatisticsData; import org.opendaylight.yang.gen.v1.urn.opendaylight.port.statistics.rev131214.NodeConnectorStatisticsUpdate; import org.opendaylight.yang.gen.v1.urn.opendaylight.port.statistics.rev131214.flow.capable.node.connector.statistics.FlowCapableNodeConnectorStatistics; import org.opendaylight.yang.gen.v1.urn.opendaylight.port.statistics.rev131214.flow.capable.node.connector.statistics.FlowCapableNodeConnectorStatisticsBuilder; import org.opendaylight.yang.gen.v1.urn.opendaylight.port.statistics.rev131214.node.connector.statistics.and.port.number.map.NodeConnectorStatisticsAndPortNumberMap; import org.opendaylight.yang.gen.v1.urn.opendaylight.queue.statistics.rev131216.FlowCapableNodeConnectorQueueStatisticsData; import org.opendaylight.yang.gen.v1.urn.opendaylight.queue.statistics.rev131216.FlowCapableNodeConnectorQueueStatisticsDataBuilder; import org.opendaylight.yang.gen.v1.urn.opendaylight.queue.statistics.rev131216.QueueStatisticsUpdate; import org.opendaylight.yang.gen.v1.urn.opendaylight.queue.statistics.rev131216.flow.capable.node.connector.queue.statistics.FlowCapableNodeConnectorQueueStatistics; import org.opendaylight.yang.gen.v1.urn.opendaylight.queue.statistics.rev131216.flow.capable.node.connector.queue.statistics.FlowCapableNodeConnectorQueueStatisticsBuilder; import org.opendaylight.yang.gen.v1.urn.opendaylight.queue.statistics.rev131216.queue.id.and.statistics.map.QueueIdAndStatisticsMap; import org.opendaylight.yangtools.yang.binding.DataObject; 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; /** * Created by Martin Bobak <mbobak@cisco.com> on 2.4.2015. */ public final class StatisticsGatheringUtils { private static final Logger LOG = LoggerFactory.getLogger(StatisticsGatheringUtils.class); private static final SinglePurposeMultipartReplyTranslator MULTIPART_REPLY_TRANSLATOR = new SinglePurposeMultipartReplyTranslator(); public static final String QUEUE2_REQCTX = "QUEUE2REQCTX-"; private StatisticsGatheringUtils() { throw new IllegalStateException("This class should not be instantiated."); } public static ListenableFuture<Boolean> gatherStatistics(final StatisticsGatherer statisticsGatheringService, final DeviceContext deviceContext, final MultipartType type) { final String deviceId = deviceContext.getPrimaryConnectionContext().getNodeId().toString(); EventIdentifier wholeProcessEventIdentifier = null; if (MultipartType.OFPMPFLOW.equals(type)) { wholeProcessEventIdentifier = new EventIdentifier(type.toString(), deviceId); EventsTimeCounter.markStart(wholeProcessEventIdentifier); } EventIdentifier ofpQueuToRequestContextEventIdentifier = new EventIdentifier( QUEUE2_REQCTX + type.toString(), deviceId); final ListenableFuture<RpcResult<List<MultipartReply>>> statisticsDataInFuture = JdkFutureAdapters .listenInPoolThread(statisticsGatheringService .getStatisticsOfType(ofpQueuToRequestContextEventIdentifier, type)); return transformAndStoreStatisticsData(statisticsDataInFuture, deviceContext, wholeProcessEventIdentifier, type); } private static ListenableFuture<Boolean> transformAndStoreStatisticsData( final ListenableFuture<RpcResult<List<MultipartReply>>> statisticsDataInFuture, final DeviceContext deviceContext, final EventIdentifier eventIdentifier, final MultipartType type) { return Futures.transform(statisticsDataInFuture, new Function<RpcResult<List<MultipartReply>>, Boolean>() { @Nullable @Override public Boolean apply(final RpcResult<List<MultipartReply>> rpcResult) { if (rpcResult.isSuccessful()) { LOG.debug("Stats reply successfully received for node {} of type {}", deviceContext.getDeviceState().getNodeId(), type); boolean isMultipartProcessed = Boolean.TRUE; // TODO: in case the result value is null then multipart data probably got processed on the fly - // TODO: this contract should by clearly stated and enforced - now simple true value is returned if (null != rpcResult.getResult()) { Iterable<? extends DataObject> allMultipartData = Collections.emptyList(); DataObject multipartData = null; try { for (final MultipartReply singleReply : rpcResult.getResult()) { final List<? extends DataObject> multipartDataList = MULTIPART_REPLY_TRANSLATOR .translate(deviceContext, singleReply); multipartData = multipartDataList.get(0); allMultipartData = Iterables.concat(allMultipartData, multipartDataList); } } catch (Exception e) { LOG.warn("stats processing of type {} for node {} failed during transfomation step", type, deviceContext.getDeviceState().getNodeId(), e); throw e; } try { if (multipartData instanceof GroupStatisticsUpdated) { processGroupStatistics((Iterable<GroupStatisticsUpdated>) allMultipartData, deviceContext); } else if (multipartData instanceof MeterStatisticsUpdated) { processMetersStatistics((Iterable<MeterStatisticsUpdated>) allMultipartData, deviceContext); } else if (multipartData instanceof NodeConnectorStatisticsUpdate) { processNodeConnectorStatistics( (Iterable<NodeConnectorStatisticsUpdate>) allMultipartData, deviceContext); } else if (multipartData instanceof FlowTableStatisticsUpdate) { processFlowTableStatistics((Iterable<FlowTableStatisticsUpdate>) allMultipartData, deviceContext); } else if (multipartData instanceof QueueStatisticsUpdate) { processQueueStatistics((Iterable<QueueStatisticsUpdate>) allMultipartData, deviceContext); } else if (multipartData instanceof FlowsStatisticsUpdate) { processFlowStatistics((Iterable<FlowsStatisticsUpdate>) allMultipartData, deviceContext); EventsTimeCounter.markEnd(eventIdentifier); } else if (multipartData instanceof GroupDescStatsUpdated) { processGroupDescStats((Iterable<GroupDescStatsUpdated>) allMultipartData, deviceContext); } else if (multipartData instanceof MeterConfigStatsUpdated) { processMeterConfigStatsUpdated((Iterable<MeterConfigStatsUpdated>) allMultipartData, deviceContext); } else { isMultipartProcessed = Boolean.FALSE; } } catch (Exception e) { LOG.warn("stats processing of type {} for node {} failed during write-to-tx step", type, deviceContext.getDeviceState().getNodeId(), e); throw e; } LOG.debug("Stats reply added to transaction for node {} of type {}", deviceContext.getDeviceState().getNodeId(), type); //TODO : implement experimenter } else { LOG.debug("Stats reply was empty for node {} of type {}", deviceContext.getDeviceState().getNodeId(), type); } return isMultipartProcessed; } else { LOG.debug("Stats reply FAILED for node {} of type {}: {}", deviceContext.getDeviceState().getNodeId(), type, rpcResult.getErrors()); } return Boolean.FALSE; } }); } private static void processMeterConfigStatsUpdated(final Iterable<MeterConfigStatsUpdated> data, final DeviceContext deviceContext) { final InstanceIdentifier<FlowCapableNode> fNodeIdent = assembleFlowCapableNodeInstanceIdentifier( deviceContext); deleteAllKnownMeters(deviceContext, fNodeIdent); for (final MeterConfigStatsUpdated meterConfigStatsUpdated : data) { for (final MeterConfigStats meterConfigStats : meterConfigStatsUpdated.getMeterConfigStats()) { final MeterId meterId = meterConfigStats.getMeterId(); final InstanceIdentifier<Meter> meterInstanceIdentifier = fNodeIdent.child(Meter.class, new MeterKey(meterId)); final MeterBuilder meterBuilder = new MeterBuilder(meterConfigStats); meterBuilder.setKey(new MeterKey(meterId)); meterBuilder.addAugmentation(NodeMeterStatistics.class, new NodeMeterStatisticsBuilder().build()); deviceContext.getDeviceMeterRegistry().store(meterId); deviceContext.writeToTransaction(LogicalDatastoreType.OPERATIONAL, meterInstanceIdentifier, meterBuilder.build()); } } deviceContext.submitTransaction(); } private static void processFlowStatistics(final Iterable<FlowsStatisticsUpdate> data, final DeviceContext deviceContext) { deleteAllKnownFlows(deviceContext); writeFlowStatistics(data, deviceContext); deviceContext.submitTransaction(); } public static void writeFlowStatistics(Iterable<FlowsStatisticsUpdate> data, DeviceContext deviceContext) { final InstanceIdentifier<FlowCapableNode> fNodeIdent = assembleFlowCapableNodeInstanceIdentifier( deviceContext); for (final FlowsStatisticsUpdate flowsStatistics : data) { for (final FlowAndStatisticsMapList flowStat : flowsStatistics.getFlowAndStatisticsMapList()) { final FlowBuilder flowBuilder = new FlowBuilder(flowStat); flowBuilder.addAugmentation(FlowStatisticsData.class, refineFlowStatisticsAugmentation(flowStat).build()); final short tableId = flowStat.getTableId(); final FlowRegistryKey flowRegistryKey = FlowRegistryKeyFactory.create(flowBuilder.build()); final FlowId flowId = deviceContext.getDeviceFlowRegistry().storeIfNecessary(flowRegistryKey, tableId); final FlowKey flowKey = new FlowKey(flowId); flowBuilder.setKey(flowKey); final TableKey tableKey = new TableKey(tableId); final InstanceIdentifier<Flow> flowIdent = fNodeIdent.child(Table.class, tableKey).child(Flow.class, flowKey); deviceContext.writeToTransaction(LogicalDatastoreType.OPERATIONAL, flowIdent, flowBuilder.build()); } } } /** * Method extracts flow statistics out of flowAndStatistics model * * @param flowAndStats */ private static FlowStatisticsDataBuilder refineFlowStatisticsAugmentation( final FlowAndStatisticsMapList flowAndStats) { final FlowStatisticsBuilder flowStatisticsBuilder = new FlowStatisticsBuilder(flowAndStats); final FlowStatisticsDataBuilder flowStatisticsDataBld = new FlowStatisticsDataBuilder(); flowStatisticsDataBld.setFlowStatistics(flowStatisticsBuilder.build()); return flowStatisticsDataBld; } public static void deleteAllKnownFlows(final DeviceContext deviceContext) { if (deviceContext.getDeviceState().deviceSynchronized()) { InstanceIdentifier<FlowCapableNode> flowCapableNodePath = assembleFlowCapableNodeInstanceIdentifier( deviceContext); final Short numOfTablesOnDevice = deviceContext.getDeviceState().getFeatures().getTables(); for (short i = 0; i < numOfTablesOnDevice; i++) { final KeyedInstanceIdentifier<Table, TableKey> iiToTable = flowCapableNodePath.child(Table.class, new TableKey(i)); final ReadTransaction readTx = deviceContext.getReadTransaction(); final CheckedFuture<Optional<Table>, ReadFailedException> tableDataFuture = readTx .read(LogicalDatastoreType.OPERATIONAL, iiToTable); try { final Optional<Table> tableDataOpt = tableDataFuture.get(); if (tableDataOpt.isPresent()) { final Table tableData = tableDataOpt.get(); final Table table = new TableBuilder(tableData).setFlow(Collections.<Flow>emptyList()) .build(); deviceContext.writeToTransaction(LogicalDatastoreType.OPERATIONAL, iiToTable, table); } } catch (final InterruptedException e) { LOG.trace("Reading of table features for table wit ID {} was interrputed.", i); } catch (final ExecutionException e) { LOG.trace("Reading of table features for table wit ID {} encountered execution exception {}.", i, e); } } deviceContext.getDeviceFlowRegistry().removeMarked(); } } private static void processQueueStatistics(final Iterable<QueueStatisticsUpdate> data, final DeviceContext deviceContext) { // TODO: clean all queues of all node-connectors before writing up-to-date stats final InstanceIdentifier<Node> nodeIdent = deviceContext.getDeviceState().getNodeInstanceIdentifier(); for (final QueueStatisticsUpdate queueStatisticsUpdate : data) { for (final QueueIdAndStatisticsMap queueStat : queueStatisticsUpdate.getQueueIdAndStatisticsMap()) { if (queueStat.getQueueId() != null) { final FlowCapableNodeConnectorQueueStatistics statChild = new FlowCapableNodeConnectorQueueStatisticsBuilder( queueStat).build(); final FlowCapableNodeConnectorQueueStatisticsDataBuilder statBuild = new FlowCapableNodeConnectorQueueStatisticsDataBuilder(); statBuild.setFlowCapableNodeConnectorQueueStatistics(statChild); final QueueKey qKey = new QueueKey(queueStat.getQueueId()); final InstanceIdentifier<Queue> queueIdent = nodeIdent .child(NodeConnector.class, new NodeConnectorKey(queueStat.getNodeConnectorId())) .augmentation(FlowCapableNodeConnector.class).child(Queue.class, qKey); final QueueBuilder queueBuilder = new QueueBuilder().setKey(qKey) .setQueueId(queueStat.getQueueId()) // node-connector-id is already contained in parent node and the port-id here is of incompatible format .addAugmentation(FlowCapableNodeConnectorQueueStatisticsData.class, statBuild.build()); deviceContext.writeToTransaction(LogicalDatastoreType.OPERATIONAL, queueIdent, queueBuilder.build()); } } } deviceContext.submitTransaction(); } private static void processFlowTableStatistics(final Iterable<FlowTableStatisticsUpdate> data, final DeviceContext deviceContext) { final InstanceIdentifier<FlowCapableNode> fNodeIdent = assembleFlowCapableNodeInstanceIdentifier( deviceContext); for (final FlowTableStatisticsUpdate flowTableStatisticsUpdate : data) { for (final FlowTableAndStatisticsMap tableStat : flowTableStatisticsUpdate .getFlowTableAndStatisticsMap()) { final InstanceIdentifier<FlowTableStatistics> tStatIdent = fNodeIdent .child(Table.class, new TableKey(tableStat.getTableId().getValue())) .augmentation(FlowTableStatisticsData.class).child(FlowTableStatistics.class); final FlowTableStatistics stats = new FlowTableStatisticsBuilder(tableStat).build(); deviceContext.writeToTransaction(LogicalDatastoreType.OPERATIONAL, tStatIdent, stats); } } deviceContext.submitTransaction(); } private static void processNodeConnectorStatistics(final Iterable<NodeConnectorStatisticsUpdate> data, final DeviceContext deviceContext) { final InstanceIdentifier<Node> nodeIdent = deviceContext.getDeviceState().getNodeInstanceIdentifier(); for (final NodeConnectorStatisticsUpdate nodeConnectorStatisticsUpdate : data) { for (final NodeConnectorStatisticsAndPortNumberMap nConnectPort : nodeConnectorStatisticsUpdate .getNodeConnectorStatisticsAndPortNumberMap()) { final FlowCapableNodeConnectorStatistics stats = new FlowCapableNodeConnectorStatisticsBuilder( nConnectPort).build(); final NodeConnectorKey key = new NodeConnectorKey(nConnectPort.getNodeConnectorId()); final InstanceIdentifier<NodeConnector> nodeConnectorIdent = nodeIdent.child(NodeConnector.class, key); final InstanceIdentifier<FlowCapableNodeConnectorStatisticsData> nodeConnStatIdent = nodeConnectorIdent .augmentation(FlowCapableNodeConnectorStatisticsData.class); final InstanceIdentifier<FlowCapableNodeConnectorStatistics> flowCapNodeConnStatIdent = nodeConnStatIdent .child(FlowCapableNodeConnectorStatistics.class); deviceContext.writeToTransaction(LogicalDatastoreType.OPERATIONAL, flowCapNodeConnStatIdent, stats); } } deviceContext.submitTransaction(); } private static void processMetersStatistics(final Iterable<MeterStatisticsUpdated> data, final DeviceContext deviceContext) { final InstanceIdentifier<FlowCapableNode> fNodeIdent = assembleFlowCapableNodeInstanceIdentifier( deviceContext); for (final MeterStatisticsUpdated meterStatisticsUpdated : data) { for (final MeterStats mStat : meterStatisticsUpdated.getMeterStats()) { final MeterStatistics stats = new MeterStatisticsBuilder(mStat).build(); final MeterId meterId = mStat.getMeterId(); final InstanceIdentifier<Meter> meterIdent = fNodeIdent.child(Meter.class, new MeterKey(meterId)); final InstanceIdentifier<NodeMeterStatistics> nodeMeterStatIdent = meterIdent .augmentation(NodeMeterStatistics.class); final InstanceIdentifier<MeterStatistics> msIdent = nodeMeterStatIdent.child(MeterStatistics.class); deviceContext.writeToTransaction(LogicalDatastoreType.OPERATIONAL, msIdent, stats); } } deviceContext.submitTransaction(); } private static void deleteAllKnownMeters(final DeviceContext deviceContext, final InstanceIdentifier<FlowCapableNode> fNodeIdent) { for (final MeterId meterId : deviceContext.getDeviceMeterRegistry().getAllMeterIds()) { final InstanceIdentifier<Meter> meterIdent = fNodeIdent.child(Meter.class, new MeterKey(meterId)); deviceContext.addDeleteToTxChain(LogicalDatastoreType.OPERATIONAL, meterIdent); } deviceContext.getDeviceMeterRegistry().removeMarked(); } private static void processGroupDescStats(final Iterable<GroupDescStatsUpdated> data, final DeviceContext deviceContext) { final InstanceIdentifier<FlowCapableNode> fNodeIdent = deviceContext.getDeviceState() .getNodeInstanceIdentifier().augmentation(FlowCapableNode.class); deleteAllKnownGroups(deviceContext, fNodeIdent); for (final GroupDescStatsUpdated groupDescStatsUpdated : data) { for (final GroupDescStats groupDescStats : groupDescStatsUpdated.getGroupDescStats()) { final GroupId groupId = groupDescStats.getGroupId(); final GroupBuilder groupBuilder = new GroupBuilder(groupDescStats); groupBuilder.setKey(new GroupKey(groupId)); groupBuilder.addAugmentation(NodeGroupStatistics.class, new NodeGroupStatisticsBuilder().build()); final InstanceIdentifier<Group> groupIdent = fNodeIdent.child(Group.class, new GroupKey(groupId)); deviceContext.getDeviceGroupRegistry().store(groupId); deviceContext.writeToTransaction(LogicalDatastoreType.OPERATIONAL, groupIdent, groupBuilder.build()); } } deviceContext.submitTransaction(); } private static void deleteAllKnownGroups(final DeviceContext deviceContext, final InstanceIdentifier<FlowCapableNode> fNodeIdent) { for (final GroupId groupId : deviceContext.getDeviceGroupRegistry().getAllGroupIds()) { final InstanceIdentifier<Group> groupIdent = fNodeIdent.child(Group.class, new GroupKey(groupId)); deviceContext.addDeleteToTxChain(LogicalDatastoreType.OPERATIONAL, groupIdent); } deviceContext.getDeviceGroupRegistry().removeMarked(); } private static void processGroupStatistics(final Iterable<GroupStatisticsUpdated> data, final DeviceContext deviceContext) { final InstanceIdentifier<FlowCapableNode> fNodeIdent = assembleFlowCapableNodeInstanceIdentifier( deviceContext); for (final GroupStatisticsUpdated groupStatistics : data) { for (final GroupStats groupStats : groupStatistics.getGroupStats()) { final InstanceIdentifier<Group> groupIdent = fNodeIdent.child(Group.class, new GroupKey(groupStats.getGroupId())); final InstanceIdentifier<NodeGroupStatistics> nGroupStatIdent = groupIdent .augmentation(NodeGroupStatistics.class); final InstanceIdentifier<GroupStatistics> gsIdent = nGroupStatIdent.child(GroupStatistics.class); final GroupStatistics stats = new GroupStatisticsBuilder(groupStats).build(); deviceContext.writeToTransaction(LogicalDatastoreType.OPERATIONAL, gsIdent, stats); } } deviceContext.submitTransaction(); } private static InstanceIdentifier<FlowCapableNode> assembleFlowCapableNodeInstanceIdentifier( final DeviceContext deviceContext) { return deviceContext.getDeviceState().getNodeInstanceIdentifier().augmentation(FlowCapableNode.class); } }