*/
package org.opendaylight.controller.md.statistics.manager;
-import java.util.ArrayList;
-import java.util.List;
+import java.util.Collection;
+import java.util.Timer;
+import java.util.TimerTask;
import java.util.concurrent.ConcurrentHashMap;
import java.util.concurrent.ConcurrentMap;
import java.util.concurrent.ExecutionException;
import java.util.concurrent.Future;
+import java.util.concurrent.TimeUnit;
-import org.eclipse.xtext.xbase.lib.Exceptions;
import org.opendaylight.controller.md.statistics.manager.MultipartMessageManager.StatsRequestType;
import org.opendaylight.controller.sal.binding.api.NotificationProviderService;
+import org.opendaylight.controller.sal.binding.api.RpcConsumerRegistry;
import org.opendaylight.controller.sal.binding.api.data.DataBrokerService;
+import org.opendaylight.controller.sal.binding.api.data.DataChangeListener;
import org.opendaylight.controller.sal.binding.api.data.DataModificationTransaction;
import org.opendaylight.controller.sal.binding.api.data.DataProviderService;
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.meters.Meter;
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.TableKey;
import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.inventory.rev130819.tables.table.Flow;
import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.statistics.rev130819.GetAggregateFlowStatisticsFromFlowTableForAllFlowsInputBuilder;
import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.statistics.rev130819.GetAggregateFlowStatisticsFromFlowTableForAllFlowsOutput;
import org.opendaylight.yang.gen.v1.urn.opendaylight.queue.statistics.rev131216.GetQueueStatisticsFromGivenPortInputBuilder;
import org.opendaylight.yang.gen.v1.urn.opendaylight.queue.statistics.rev131216.GetQueueStatisticsFromGivenPortOutput;
import org.opendaylight.yang.gen.v1.urn.opendaylight.queue.statistics.rev131216.OpendaylightQueueStatisticsService;
+import org.opendaylight.yangtools.concepts.ListenerRegistration;
import org.opendaylight.yangtools.concepts.Registration;
import org.opendaylight.yangtools.yang.binding.DataObject;
import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
-/**
+import com.google.common.base.Preconditions;
+
+/**
* Following are main responsibilities of the class:
- * 1) Invoke statistics request thread to send periodic statistics request to all the
- * flow capable switch connected to the controller. It sends statistics request for
- * Group,Meter,Table,Flow,Queue,Aggregate stats.
- *
- * 2) Invoke statistics ager thread, to clean up all the stale statistics data from
+ * 1) Invoke statistics request thread to send periodic statistics request to all the
+ * flow capable switch connected to the controller. It sends statistics request for
+ * Group,Meter,Table,Flow,Queue,Aggregate stats.
+ *
+ * 2) Invoke statistics ager thread, to clean up all the stale statistics data from
* operational data store.
- *
+ *
* @author avishnoi@in.ibm.com
*
*/
public class StatisticsProvider implements AutoCloseable {
+ public static final long STATS_COLLECTION_MILLIS = TimeUnit.SECONDS.toMillis(15);
+
+ private static final Logger spLogger = LoggerFactory.getLogger(StatisticsProvider.class);
- public final static Logger spLogger = LoggerFactory.getLogger(StatisticsProvider.class);
-
- private DataProviderService dps;
-
- private DataBrokerService dbs;
+ private final ConcurrentMap<NodeId, NodeStatisticsHandler> handlers = new ConcurrentHashMap<>();
+ private final Timer timer = new Timer("statistics-manager", true);
+ private final DataProviderService dps;
- private NotificationProviderService nps;
-
private OpendaylightGroupStatisticsService groupStatsService;
-
+
private OpendaylightMeterStatisticsService meterStatsService;
-
+
private OpendaylightFlowStatisticsService flowStatsService;
-
+
private OpendaylightPortStatisticsService portStatsService;
private OpendaylightFlowTableStatisticsService flowTableStatsService;
private OpendaylightQueueStatisticsService queueStatsService;
- private final MultipartMessageManager multipartMessageManager = new MultipartMessageManager();
-
private StatisticsUpdateHandler statsUpdateHandler;
-
- private Thread statisticsRequesterThread;
-
- private Thread statisticsAgerThread;
-
- private final InstanceIdentifier<Nodes> nodesIdentifier = InstanceIdentifier.builder(Nodes.class).toInstance();
-
- public static final int STATS_THREAD_EXECUTION_TIME= 15000;
- //Local caching of stats
-
- private final ConcurrentMap<NodeId,NodeStatisticsAger> statisticsCache =
- new ConcurrentHashMap<NodeId,NodeStatisticsAger>();
-
- public DataProviderService getDataService() {
- return this.dps;
- }
-
- public void setDataService(final DataProviderService dataService) {
- this.dps = dataService;
- }
-
- public DataBrokerService getDataBrokerService() {
- return this.dbs;
- }
-
- public void setDataBrokerService(final DataBrokerService dataBrokerService) {
- this.dbs = dataBrokerService;
- }
- public NotificationProviderService getNotificationService() {
- return this.nps;
- }
-
- public void setNotificationService(final NotificationProviderService notificationService) {
- this.nps = notificationService;
+ public StatisticsProvider(final DataProviderService dataService) {
+ this.dps = Preconditions.checkNotNull(dataService);
}
- public MultipartMessageManager getMultipartMessageManager() {
- return multipartMessageManager;
- }
+ private final StatisticsListener updateCommiter = new StatisticsListener(StatisticsProvider.this);
- private final StatisticsUpdateCommiter updateCommiter = new StatisticsUpdateCommiter(StatisticsProvider.this);
-
private Registration<NotificationListener> listenerRegistration;
-
- public void start() {
-
- NotificationProviderService nps = this.getNotificationService();
- Registration<NotificationListener> registerNotificationListener = nps.registerNotificationListener(this.updateCommiter);
- this.listenerRegistration = registerNotificationListener;
-
+
+ private ListenerRegistration<DataChangeListener> flowCapableTrackerRegistration;
+
+ public void start(final DataBrokerService dbs, final NotificationProviderService nps, final RpcConsumerRegistry rpcRegistry) {
+
+ // Get Group/Meter statistics service instances
+ groupStatsService = rpcRegistry.getRpcService(OpendaylightGroupStatisticsService.class);
+ meterStatsService = rpcRegistry.getRpcService(OpendaylightMeterStatisticsService.class);
+ flowStatsService = rpcRegistry.getRpcService(OpendaylightFlowStatisticsService.class);
+ portStatsService = rpcRegistry.getRpcService(OpendaylightPortStatisticsService.class);
+ flowTableStatsService = rpcRegistry.getRpcService(OpendaylightFlowTableStatisticsService.class);
+ queueStatsService = rpcRegistry.getRpcService(OpendaylightQueueStatisticsService.class);
+
+ // Start receiving notifications
+ this.listenerRegistration = nps.registerNotificationListener(this.updateCommiter);
+
+ // Register for switch connect/disconnect notifications
+ final InstanceIdentifier<FlowCapableNode> fcnId = InstanceIdentifier.builder(Nodes.class)
+ .child(Node.class).augmentation(FlowCapableNode.class).build();
+ spLogger.debug("Registering FlowCapable tracker to {}", fcnId);
+ this.flowCapableTrackerRegistration = dbs.registerDataChangeListener(fcnId,
+ new FlowCapableTracker(this, fcnId));
+
statsUpdateHandler = new StatisticsUpdateHandler(StatisticsProvider.this);
-
- registerDataStoreUpdateListener(this.getDataBrokerService());
-
- // Get Group/Meter statistics service instance
- groupStatsService = StatisticsManagerActivator.getProviderContext().
- getRpcService(OpendaylightGroupStatisticsService.class);
-
- meterStatsService = StatisticsManagerActivator.getProviderContext().
- getRpcService(OpendaylightMeterStatisticsService.class);
-
- flowStatsService = StatisticsManagerActivator.getProviderContext().
- getRpcService(OpendaylightFlowStatisticsService.class);
-
- portStatsService = StatisticsManagerActivator.getProviderContext().
- getRpcService(OpendaylightPortStatisticsService.class);
-
- flowTableStatsService = StatisticsManagerActivator.getProviderContext().
- getRpcService(OpendaylightFlowTableStatisticsService.class);
-
- queueStatsService = StatisticsManagerActivator.getProviderContext().
- getRpcService(OpendaylightQueueStatisticsService.class);
-
- statisticsRequesterThread = new Thread( new Runnable(){
+ registerDataStoreUpdateListener(dbs);
+ timer.schedule(new TimerTask() {
@Override
public void run() {
- while(true){
- try {
- statsRequestSender();
-
- Thread.sleep(STATS_THREAD_EXECUTION_TIME);
- }catch (Exception e){
- spLogger.error("Exception occurred while sending stats request : {}",e);
+ try {
+ // Send stats requests
+ for (NodeStatisticsHandler h : handlers.values()) {
+ sendStatisticsRequestsToNode(h);
}
- }
- }
- });
-
- spLogger.debug("Statistics requester thread started with timer interval : {}",STATS_THREAD_EXECUTION_TIME);
-
- statisticsRequesterThread.start();
-
- statisticsAgerThread = new Thread( new Runnable(){
- @Override
- public void run() {
- while(true){
- try {
- for(NodeStatisticsAger nodeStatisticsAger : statisticsCache.values()){
- nodeStatisticsAger.cleanStaleStatistics();
- }
- multipartMessageManager.cleanStaleTransactionIds();
-
- Thread.sleep(STATS_THREAD_EXECUTION_TIME);
- }catch (Exception e){
- spLogger.error("Exception occurred while sending stats request : {}",e);
+ // Perform cleanup
+ for(NodeStatisticsHandler nodeStatisticsAger : handlers.values()){
+ nodeStatisticsAger.cleanStaleStatistics();
}
+
+ } catch (RuntimeException e) {
+ spLogger.warn("Failed to request statistics", e);
}
}
- });
-
- spLogger.debug("Statistics ager thread started with timer interval : {}",STATS_THREAD_EXECUTION_TIME);
+ }, 0, STATS_COLLECTION_MILLIS);
- statisticsAgerThread.start();
-
+ spLogger.debug("Statistics timer task with timer interval : {}ms", STATS_COLLECTION_MILLIS);
spLogger.info("Statistics Provider started.");
}
-
+
private void registerDataStoreUpdateListener(DataBrokerService dbs) {
- //Register for Node updates
- InstanceIdentifier<? extends DataObject> pathNode = InstanceIdentifier.builder(Nodes.class)
- .child(Node.class).toInstance();
- dbs.registerDataChangeListener(pathNode, statsUpdateHandler);
+ // FIXME: the below should be broken out into StatisticsUpdateHandler
//Register for flow updates
InstanceIdentifier<? extends DataObject> pathFlow = InstanceIdentifier.builder(Nodes.class).child(Node.class)
.child(Table.class)
.child(Flow.class).toInstance();
dbs.registerDataChangeListener(pathFlow, statsUpdateHandler);
-
+
//Register for meter updates
InstanceIdentifier<? extends DataObject> pathMeter = InstanceIdentifier.builder(Nodes.class).child(Node.class)
.augmentation(FlowCapableNode.class)
.child(Meter.class).toInstance();
dbs.registerDataChangeListener(pathMeter, statsUpdateHandler);
-
- //Register for group updates
+
+ //Register for group updates
InstanceIdentifier<? extends DataObject> pathGroup = InstanceIdentifier.builder(Nodes.class).child(Node.class)
.augmentation(FlowCapableNode.class)
.child(Group.class).toInstance();
}
protected DataModificationTransaction startChange() {
-
- DataProviderService dps = this.getDataService();
return dps.beginTransaction();
}
-
- private void statsRequestSender(){
-
- List<Node> targetNodes = getAllConnectedNodes();
-
- if(targetNodes == null)
- return;
-
-
- for (Node targetNode : targetNodes){
-
- if(targetNode.getAugmentation(FlowCapableNode.class) != null){
- sendStatisticsRequestsToNode(targetNode);
- }
- }
- }
-
- public void sendStatisticsRequestsToNode(Node targetNode){
-
- spLogger.debug("Send requests for statistics collection to node : {})",targetNode.getId());
-
- InstanceIdentifier<Node> targetInstanceId = InstanceIdentifier.builder(Nodes.class).child(Node.class,targetNode.getKey()).toInstance();
-
- NodeRef targetNodeRef = new NodeRef(targetInstanceId);
-
+
+ private void sendStatisticsRequestsToNode(final NodeStatisticsHandler h) {
+ NodeKey targetNode = h.getTargetNodeKey();
+ spLogger.debug("Send requests for statistics collection to node : {}", targetNode.getId());
+
try{
- if(flowStatsService != null){
- sendAggregateFlowsStatsFromAllTablesRequest(targetNode.getKey());
- sendAllFlowsStatsFromAllTablesRequest(targetNodeRef);
- }
if(flowTableStatsService != null){
- sendAllFlowTablesStatisticsRequest(targetNodeRef);
+ sendAllFlowTablesStatisticsRequest(h);
+ }
+ if(flowStatsService != null){
+ // FIXME: it does not make sense to trigger this before sendAllFlowTablesStatisticsRequest()
+ // comes back -- we do not have any tables anyway.
+ sendAggregateFlowsStatsFromAllTablesRequest(h);
+
+ sendAllFlowsStatsFromAllTablesRequest(h);
}
if(portStatsService != null){
- sendAllNodeConnectorsStatisticsRequest(targetNodeRef);
+ sendAllNodeConnectorsStatisticsRequest(h);
}
if(groupStatsService != null){
- sendAllGroupStatisticsRequest(targetNodeRef);
- sendGroupDescriptionRequest(targetNodeRef);
+ sendAllGroupStatisticsRequest(h);
+ sendGroupDescriptionRequest(h);
}
if(meterStatsService != null){
- sendAllMeterStatisticsRequest(targetNodeRef);
- sendMeterConfigStatisticsRequest(targetNodeRef);
+ sendAllMeterStatisticsRequest(h);
+ sendMeterConfigStatisticsRequest(h);
}
if(queueStatsService != null){
- sendAllQueueStatsFromAllNodeConnector (targetNodeRef);
+ sendAllQueueStatsFromAllNodeConnector(h);
}
}catch(Exception e){
spLogger.error("Exception occured while sending statistics requests : {}", e);
}
}
-
- public void sendAllFlowTablesStatisticsRequest(NodeRef targetNodeRef) throws InterruptedException, ExecutionException {
- final GetFlowTablesStatisticsInputBuilder input =
+
+ private void sendAllFlowTablesStatisticsRequest(NodeStatisticsHandler h) throws InterruptedException, ExecutionException {
+ final GetFlowTablesStatisticsInputBuilder input =
new GetFlowTablesStatisticsInputBuilder();
-
- input.setNode(targetNodeRef);
- Future<RpcResult<GetFlowTablesStatisticsOutput>> response =
- flowTableStatsService.getFlowTablesStatistics(input.build());
+ input.setNode(h.getTargetNodeRef());
- this.multipartMessageManager.addTxIdToRequestTypeEntry(getNodeId(targetNodeRef),response.get().getResult().getTransactionId()
- , StatsRequestType.ALL_FLOW_TABLE);
+ Future<RpcResult<GetFlowTablesStatisticsOutput>> response =
+ flowTableStatsService.getFlowTablesStatistics(input.build());
+ h.recordExpectedTransaction(response.get().getResult().getTransactionId(), StatsRequestType.ALL_FLOW_TABLE);
}
- public void sendAllFlowsStatsFromAllTablesRequest(NodeRef targetNode) throws InterruptedException, ExecutionException{
+ private void sendAllFlowsStatsFromAllTablesRequest(NodeStatisticsHandler h) throws InterruptedException, ExecutionException{
final GetAllFlowsStatisticsFromAllFlowTablesInputBuilder input =
new GetAllFlowsStatisticsFromAllFlowTablesInputBuilder();
-
- input.setNode(targetNode);
-
- Future<RpcResult<GetAllFlowsStatisticsFromAllFlowTablesOutput>> response =
+
+ input.setNode(h.getTargetNodeRef());
+
+ Future<RpcResult<GetAllFlowsStatisticsFromAllFlowTablesOutput>> response =
flowStatsService.getAllFlowsStatisticsFromAllFlowTables(input.build());
-
- this.multipartMessageManager.addTxIdToRequestTypeEntry(getNodeId(targetNode), response.get().getResult().getTransactionId()
- , StatsRequestType.ALL_FLOW);
-
+
+ h.recordExpectedTransaction(response.get().getResult().getTransactionId(), StatsRequestType.ALL_FLOW);
+ }
+
+ public void sendFlowStatsFromTableRequest(NodeKey node, Flow flow) throws InterruptedException, ExecutionException {
+ final NodeStatisticsHandler h = getStatisticsHandler(node.getId());
+ if (h != null) {
+ sendFlowStatsFromTableRequest(h, flow);
+ }
}
-
- public void sendFlowStatsFromTableRequest(NodeRef targetNode,Flow flow) throws InterruptedException, ExecutionException{
+
+ private void sendFlowStatsFromTableRequest(NodeStatisticsHandler h, Flow flow) throws InterruptedException, ExecutionException{
final GetFlowStatisticsFromFlowTableInputBuilder input =
- new GetFlowStatisticsFromFlowTableInputBuilder();
-
- input.setNode(targetNode);
- input.fieldsFrom(flow);
-
- Future<RpcResult<GetFlowStatisticsFromFlowTableOutput>> response =
+ new GetFlowStatisticsFromFlowTableInputBuilder(flow);
+
+ input.setNode(h.getTargetNodeRef());
+
+ Future<RpcResult<GetFlowStatisticsFromFlowTableOutput>> response =
flowStatsService.getFlowStatisticsFromFlowTable(input.build());
-
- this.multipartMessageManager.addTxIdToRequestTypeEntry(getNodeId(targetNode), response.get().getResult().getTransactionId()
- , StatsRequestType.ALL_FLOW);
-
+
+ h.recordExpectedTransaction(response.get().getResult().getTransactionId(), StatsRequestType.ALL_FLOW);
}
- public void sendAggregateFlowsStatsFromAllTablesRequest(NodeKey targetNodeKey) throws InterruptedException, ExecutionException{
-
- List<Short> tablesId = getTablesFromNode(targetNodeKey);
-
- if(tablesId.size() != 0){
- for(Short id : tablesId){
-
- sendAggregateFlowsStatsFromTableRequest(targetNodeKey,id);
- }
- }else{
- spLogger.debug("No details found in data store for flow tables associated with Node {}",targetNodeKey);
+ private void sendAggregateFlowsStatsFromAllTablesRequest(final NodeStatisticsHandler h) throws InterruptedException, ExecutionException{
+ final Collection<TableKey> tables = h.getKnownTables();
+ spLogger.debug("Node {} supports {} table(s)", h, tables.size());
+
+ for (TableKey key : h.getKnownTables()) {
+ sendAggregateFlowsStatsFromTableRequest(h, key.getId().shortValue());
}
}
-
- public void sendAggregateFlowsStatsFromTableRequest(NodeKey targetNodeKey,Short tableId) throws InterruptedException, ExecutionException{
-
- spLogger.debug("Send aggregate stats request for flow table {} to node {}",tableId,targetNodeKey);
- GetAggregateFlowStatisticsFromFlowTableForAllFlowsInputBuilder input =
+
+ private void sendAggregateFlowsStatsFromTableRequest(final NodeStatisticsHandler h, Short tableId) throws InterruptedException, ExecutionException{
+
+ spLogger.debug("Send aggregate stats request for flow table {} to node {}",tableId, h.getTargetNodeKey());
+ GetAggregateFlowStatisticsFromFlowTableForAllFlowsInputBuilder input =
new GetAggregateFlowStatisticsFromFlowTableForAllFlowsInputBuilder();
-
- input.setNode(new NodeRef(InstanceIdentifier.builder(Nodes.class).child(Node.class, targetNodeKey).toInstance()));
+
+ input.setNode(new NodeRef(InstanceIdentifier.builder(Nodes.class).child(Node.class, h.getTargetNodeKey()).toInstance()));
input.setTableId(new org.opendaylight.yang.gen.v1.urn.opendaylight.table.types.rev131026.TableId(tableId));
- Future<RpcResult<GetAggregateFlowStatisticsFromFlowTableForAllFlowsOutput>> response =
+ Future<RpcResult<GetAggregateFlowStatisticsFromFlowTableForAllFlowsOutput>> response =
flowStatsService.getAggregateFlowStatisticsFromFlowTableForAllFlows(input.build());
-
- multipartMessageManager.setTxIdAndTableIdMapEntry(targetNodeKey.getId(), response.get().getResult().getTransactionId(), tableId);
- this.multipartMessageManager.addTxIdToRequestTypeEntry(targetNodeKey.getId(), response.get().getResult().getTransactionId()
- , StatsRequestType.AGGR_FLOW);
+
+ h.recordExpectedTableTransaction(response.get().getResult().getTransactionId(), tableId);
}
- public void sendAllNodeConnectorsStatisticsRequest(NodeRef targetNode) throws InterruptedException, ExecutionException{
-
+ private void sendAllNodeConnectorsStatisticsRequest(NodeStatisticsHandler h) throws InterruptedException, ExecutionException{
+
final GetAllNodeConnectorsStatisticsInputBuilder input = new GetAllNodeConnectorsStatisticsInputBuilder();
-
- input.setNode(targetNode);
- Future<RpcResult<GetAllNodeConnectorsStatisticsOutput>> response =
- portStatsService.getAllNodeConnectorsStatistics(input.build());
- this.multipartMessageManager.addTxIdToRequestTypeEntry(getNodeId(targetNode), response.get().getResult().getTransactionId()
- , StatsRequestType.ALL_PORT);
+ input.setNode(h.getTargetNodeRef());
+ Future<RpcResult<GetAllNodeConnectorsStatisticsOutput>> response =
+ portStatsService.getAllNodeConnectorsStatistics(input.build());
+ h.recordExpectedTransaction(response.get().getResult().getTransactionId(), StatsRequestType.ALL_PORT);
}
- public void sendAllGroupStatisticsRequest(NodeRef targetNode) throws InterruptedException, ExecutionException{
-
+ private void sendAllGroupStatisticsRequest(NodeStatisticsHandler h) throws InterruptedException, ExecutionException{
+
final GetAllGroupStatisticsInputBuilder input = new GetAllGroupStatisticsInputBuilder();
-
- input.setNode(targetNode);
- Future<RpcResult<GetAllGroupStatisticsOutput>> response =
+ input.setNode(h.getTargetNodeRef());
+
+ Future<RpcResult<GetAllGroupStatisticsOutput>> response =
groupStatsService.getAllGroupStatistics(input.build());
-
- this.multipartMessageManager.addTxIdToRequestTypeEntry(getNodeId(targetNode), response.get().getResult().getTransactionId()
- , StatsRequestType.ALL_GROUP);
+ h.recordExpectedTransaction(response.get().getResult().getTransactionId(), StatsRequestType.ALL_GROUP);
+ }
+
+ public void sendGroupDescriptionRequest(NodeKey node) throws InterruptedException, ExecutionException{
+ final NodeStatisticsHandler h = getStatisticsHandler(node.getId());
+ if (h != null) {
+ sendGroupDescriptionRequest(h);
+ }
}
-
- public void sendGroupDescriptionRequest(NodeRef targetNode) throws InterruptedException, ExecutionException{
+
+ private void sendGroupDescriptionRequest(NodeStatisticsHandler h) throws InterruptedException, ExecutionException{
final GetGroupDescriptionInputBuilder input = new GetGroupDescriptionInputBuilder();
-
- input.setNode(targetNode);
- Future<RpcResult<GetGroupDescriptionOutput>> response =
- groupStatsService.getGroupDescription(input.build());
+ input.setNode(h.getTargetNodeRef());
- this.multipartMessageManager.addTxIdToRequestTypeEntry(getNodeId(targetNode), response.get().getResult().getTransactionId()
- , StatsRequestType.GROUP_DESC);
+ Future<RpcResult<GetGroupDescriptionOutput>> response =
+ groupStatsService.getGroupDescription(input.build());
+ h.recordExpectedTransaction(response.get().getResult().getTransactionId(), StatsRequestType.GROUP_DESC);
}
-
- public void sendAllMeterStatisticsRequest(NodeRef targetNode) throws InterruptedException, ExecutionException{
-
+
+ private void sendAllMeterStatisticsRequest(NodeStatisticsHandler h) throws InterruptedException, ExecutionException{
+
GetAllMeterStatisticsInputBuilder input = new GetAllMeterStatisticsInputBuilder();
-
- input.setNode(targetNode);
- Future<RpcResult<GetAllMeterStatisticsOutput>> response =
+ input.setNode(h.getTargetNodeRef());
+
+ Future<RpcResult<GetAllMeterStatisticsOutput>> response =
meterStatsService.getAllMeterStatistics(input.build());
-
- this.multipartMessageManager.addTxIdToRequestTypeEntry(getNodeId(targetNode), response.get().getResult().getTransactionId()
- , StatsRequestType.ALL_METER);;
+ h.recordExpectedTransaction(response.get().getResult().getTransactionId(), StatsRequestType.ALL_METER);
}
-
- public void sendMeterConfigStatisticsRequest(NodeRef targetNode) throws InterruptedException, ExecutionException{
-
+
+ public void sendMeterConfigStatisticsRequest(NodeKey node) throws InterruptedException, ExecutionException {
+ final NodeStatisticsHandler h = getStatisticsHandler(node.getId());
+ if (h != null) {
+ sendMeterConfigStatisticsRequest(h);
+ }
+ }
+
+ private void sendMeterConfigStatisticsRequest(NodeStatisticsHandler h) throws InterruptedException, ExecutionException{
+
GetAllMeterConfigStatisticsInputBuilder input = new GetAllMeterConfigStatisticsInputBuilder();
-
- input.setNode(targetNode);
- Future<RpcResult<GetAllMeterConfigStatisticsOutput>> response =
+ input.setNode(h.getTargetNodeRef());
+
+ Future<RpcResult<GetAllMeterConfigStatisticsOutput>> response =
meterStatsService.getAllMeterConfigStatistics(input.build());
-
- this.multipartMessageManager.addTxIdToRequestTypeEntry(getNodeId(targetNode), response.get().getResult().getTransactionId()
- , StatsRequestType.METER_CONFIG);;
+ h.recordExpectedTransaction(response.get().getResult().getTransactionId(), StatsRequestType.METER_CONFIG);;
}
-
- public void sendAllQueueStatsFromAllNodeConnector(NodeRef targetNode) throws InterruptedException, ExecutionException {
+
+ private void sendAllQueueStatsFromAllNodeConnector(NodeStatisticsHandler h) throws InterruptedException, ExecutionException {
GetAllQueuesStatisticsFromAllPortsInputBuilder input = new GetAllQueuesStatisticsFromAllPortsInputBuilder();
-
- input.setNode(targetNode);
-
- Future<RpcResult<GetAllQueuesStatisticsFromAllPortsOutput>> response =
+
+ input.setNode(h.getTargetNodeRef());
+
+ Future<RpcResult<GetAllQueuesStatisticsFromAllPortsOutput>> response =
queueStatsService.getAllQueuesStatisticsFromAllPorts(input.build());
-
- this.multipartMessageManager.addTxIdToRequestTypeEntry(getNodeId(targetNode), response.get().getResult().getTransactionId()
- , StatsRequestType.ALL_QUEUE_STATS);;
+ h.recordExpectedTransaction(response.get().getResult().getTransactionId(), StatsRequestType.ALL_QUEUE_STATS);;
}
- public void sendQueueStatsFromGivenNodeConnector(NodeRef targetNode,NodeConnectorId nodeConnectorId, QueueId queueId) throws InterruptedException, ExecutionException {
+ public void sendQueueStatsFromGivenNodeConnector(NodeKey node,NodeConnectorId nodeConnectorId, QueueId queueId) throws InterruptedException, ExecutionException {
+ final NodeStatisticsHandler h = getStatisticsHandler(node.getId());
+ if (h != null) {
+ sendQueueStatsFromGivenNodeConnector(h, nodeConnectorId, queueId);
+ }
+ }
+
+ private void sendQueueStatsFromGivenNodeConnector(NodeStatisticsHandler h, NodeConnectorId nodeConnectorId, QueueId queueId) throws InterruptedException, ExecutionException {
GetQueueStatisticsFromGivenPortInputBuilder input = new GetQueueStatisticsFromGivenPortInputBuilder();
-
- input.setNode(targetNode);
+
+ input.setNode(h.getTargetNodeRef());
input.setNodeConnectorId(nodeConnectorId);
input.setQueueId(queueId);
- Future<RpcResult<GetQueueStatisticsFromGivenPortOutput>> response =
+ Future<RpcResult<GetQueueStatisticsFromGivenPortOutput>> response =
queueStatsService.getQueueStatisticsFromGivenPort(input.build());
-
- this.multipartMessageManager.addTxIdToRequestTypeEntry(getNodeId(targetNode), response.get().getResult().getTransactionId()
- , StatsRequestType.ALL_QUEUE_STATS);;
+ h.recordExpectedTransaction(response.get().getResult().getTransactionId(), StatsRequestType.ALL_QUEUE_STATS);;
}
- public ConcurrentMap<NodeId, NodeStatisticsAger> getStatisticsCache() {
- return statisticsCache;
- }
-
- private List<Node> getAllConnectedNodes(){
-
- Nodes nodes = (Nodes) dps.readOperationalData(nodesIdentifier);
- if(nodes == null)
- return null;
-
- spLogger.debug("Number of connected nodes : {}",nodes.getNode().size());
- return nodes.getNode();
- }
-
- private List<Short> getTablesFromNode(NodeKey nodeKey){
- InstanceIdentifier<FlowCapableNode> nodesIdentifier = InstanceIdentifier.builder(Nodes.class).child(Node.class,nodeKey).augmentation(FlowCapableNode.class).toInstance();
-
- FlowCapableNode node = (FlowCapableNode)dps.readOperationalData(nodesIdentifier);
- List<Short> tablesId = new ArrayList<Short>();
- if(node != null && node.getTable()!=null){
- spLogger.debug("Number of tables {} supported by node {}",node.getTable().size(),nodeKey);
- for(Table table: node.getTable()){
- tablesId.add(table.getId());
- }
+ /**
+ * Get the handler for a particular node.
+ *
+ * @param nodeId source node
+ * @return Node statistics handler for that node. Null if the statistics should
+ * not handled.
+ */
+ public final NodeStatisticsHandler getStatisticsHandler(final NodeId nodeId) {
+ Preconditions.checkNotNull(nodeId);
+ NodeStatisticsHandler handler = handlers.get(nodeId);
+ if (handler == null) {
+ spLogger.info("Attempted to get non-existing handler for {}", nodeId);
}
- return tablesId;
+ return handler;
}
- @SuppressWarnings("unchecked")
- private NodeId getNodeId(NodeRef nodeRef){
- InstanceIdentifier<Node> nodeII = (InstanceIdentifier<Node>) nodeRef.getValue();
- NodeKey nodeKey = InstanceIdentifier.keyOf(nodeII);
- return nodeKey.getId();
- }
-
- @SuppressWarnings("deprecation")
@Override
- public void close(){
-
+ public void close() {
try {
- spLogger.info("Statistics Provider stopped.");
if (this.listenerRegistration != null) {
-
this.listenerRegistration.close();
-
- this.statisticsRequesterThread.destroy();
-
- this.statisticsAgerThread.destroy();
-
+ this.listenerRegistration = null;
+ }
+ if (this.flowCapableTrackerRegistration != null) {
+ this.flowCapableTrackerRegistration.close();
+ this.flowCapableTrackerRegistration = null;
}
- } catch (Throwable e) {
- throw Exceptions.sneakyThrow(e);
- }
+ timer.cancel();
+ } catch (Exception e) {
+ spLogger.warn("Failed to stop Statistics Provider completely", e);
+ } finally {
+ spLogger.info("Statistics Provider stopped.");
+ }
+ }
+
+ void startNodeHandlers(final Collection<NodeKey> addedNodes) {
+ for (NodeKey key : addedNodes) {
+ if (handlers.containsKey(key.getId())) {
+ spLogger.warn("Attempted to start already-existing handler for {}, very strange", key.getId());
+ continue;
+ }
+
+ final NodeStatisticsHandler h = new NodeStatisticsHandler(dps, key);
+ final NodeStatisticsHandler old = handlers.putIfAbsent(key.getId(), h);
+ if (old == null) {
+ spLogger.debug("Started node handler for {}", key.getId());
+
+ // FIXME: this should be in the NodeStatisticsHandler itself
+ sendStatisticsRequestsToNode(h);
+ } else {
+ spLogger.debug("Prevented race on handler for {}", key.getId());
+ }
+ }
}
+ void stopNodeHandlers(final Collection<NodeKey> removedNodes) {
+ for (NodeKey key : removedNodes) {
+ final NodeStatisticsHandler s = handlers.remove(key.getId());
+ if (s != null) {
+ spLogger.debug("Stopping node handler for {}", key.getId());
+ s.close();
+ } else {
+ spLogger.warn("Attempted to remove non-existing handler for {}, very strange", key.getId());
+ }
+ }
+ }
}