Fix for Bug 271
[controller.git] / opendaylight / md-sal / statistics-manager / src / main / java / org / opendaylight / controller / md / statistics / manager / StatisticsUpdateCommiter.java
index 86e6114b5f67a9df25f02e8ae98677d0d842cc54..aa6e99a03f978a4604fe72ea4ba36307a6bdaa80 100644 (file)
@@ -7,9 +7,45 @@
  */
 package org.opendaylight.controller.md.statistics.manager;
 
+import java.util.HashMap;
+import java.util.List;
 import java.util.concurrent.ConcurrentMap;
 
 import org.opendaylight.controller.sal.binding.api.data.DataModificationTransaction;
+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.AggregateFlowStatisticsData;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.statistics.rev130819.AggregateFlowStatisticsDataBuilder;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.statistics.rev130819.AggregateFlowStatisticsUpdate;
+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.OpendaylightFlowStatisticsListener;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.statistics.rev130819.aggregate.flow.statistics.AggregateFlowStatisticsBuilder;
+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.and.statistics.map.list.FlowAndStatisticsMapListBuilder;
+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.FlowTableStatisticsDataBuilder;
+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.OpendaylightFlowTableStatisticsListener;
+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.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.flow.types.queue.rev130925.QueueId;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.types.rev131026.flow.Match;
 import org.opendaylight.yang.gen.v1.urn.opendaylight.group.statistics.rev131111.GroupDescStatsUpdated;
 import org.opendaylight.yang.gen.v1.urn.opendaylight.group.statistics.rev131111.GroupFeaturesUpdated;
 import org.opendaylight.yang.gen.v1.urn.opendaylight.group.statistics.rev131111.GroupStatisticsUpdated;
@@ -23,9 +59,17 @@ import org.opendaylight.yang.gen.v1.urn.opendaylight.group.statistics.rev131111.
 import org.opendaylight.yang.gen.v1.urn.opendaylight.group.statistics.rev131111.group.desc.GroupDescBuilder;
 import org.opendaylight.yang.gen.v1.urn.opendaylight.group.statistics.rev131111.group.features.GroupFeaturesBuilder;
 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.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.NodeId;
 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.node.NodeConnector;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.node.NodeConnectorBuilder;
+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.inventory.rev130819.nodes.NodeBuilder;
 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.nodes.NodeKey;
@@ -39,16 +83,54 @@ import org.opendaylight.yang.gen.v1.urn.opendaylight.meter.statistics.rev131111.
 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.OpendaylightMeterStatisticsListener;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.meter.statistics.rev131111.nodes.node.MeterConfigStatsBuilder;
 import org.opendaylight.yang.gen.v1.urn.opendaylight.meter.statistics.rev131111.nodes.node.MeterFeaturesBuilder;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.meter.statistics.rev131111.nodes.node.MeterStatisticsBuilder;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.meter.statistics.rev131111.nodes.node.meter.MeterConfigStatsBuilder;
+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.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.model.match.types.rev131026.match.EthernetMatch;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.model.match.types.rev131026.match.VlanMatch;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.model.match.types.rev131026.match.layer._3.match.Ipv4Match;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.model.match.types.rev131026.match.layer._4.match.TcpMatch;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.model.statistics.types.rev130925.GenericQueueStatistics;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.model.statistics.types.rev130925.GenericStatistics;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.port.statistics.rev131214.FlowCapableNodeConnectorStatisticsData;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.port.statistics.rev131214.FlowCapableNodeConnectorStatisticsDataBuilder;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.port.statistics.rev131214.NodeConnectorStatisticsUpdate;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.port.statistics.rev131214.OpendaylightPortStatisticsListener;
+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.OpendaylightQueueStatisticsListener;
+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.FlowCapableNodeConnectorQueueStatisticsBuilder;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.queue.statistics.rev131216.queue.id.and.statistics.map.QueueIdAndStatisticsMap;
 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier.InstanceIdentifierBuilder;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
 
+/**
+ * Class implement statistics manager related listener interface and augment all the 
+ * received statistics data to data stores.
+ * TODO: Need to add error message listener and clean-up the associated tx id 
+ * if it exists in the tx-id cache.
+ * @author vishnoianil
+ *
+ */
 public class StatisticsUpdateCommiter implements OpendaylightGroupStatisticsListener,
-        OpendaylightMeterStatisticsListener {
+        OpendaylightMeterStatisticsListener, 
+        OpendaylightFlowStatisticsListener,
+        OpendaylightPortStatisticsListener,
+        OpendaylightFlowTableStatisticsListener,
+        OpendaylightQueueStatisticsListener{
     
+    public final static Logger sucLogger = LoggerFactory.getLogger(StatisticsUpdateCommiter.class);
+
     private final StatisticsProvider statisticsManager;
+    
+    private final int unaccountedFlowsCounter = 1;
 
     public StatisticsUpdateCommiter(final StatisticsProvider manager){
 
@@ -61,7 +143,10 @@ public class StatisticsUpdateCommiter implements OpendaylightGroupStatisticsList
    
     @Override
     public void onMeterConfigStatsUpdated(MeterConfigStatsUpdated notification) {
-
+        //Check if response is for the request statistics-manager sent.
+        if(this.statisticsManager.getMultipartMessageManager().removeTxId(notification.getTransactionId()) == null)
+            return;
+        
         //Add statistics to local cache
         ConcurrentMap<NodeId, NodeStatistics> cache = this.statisticsManager.getStatisticsCache();
         if(!cache.containsKey(notification.getId())){
@@ -70,29 +155,40 @@ public class StatisticsUpdateCommiter implements OpendaylightGroupStatisticsList
         cache.get(notification.getId()).setMeterConfigStats(notification.getMeterConfigStats());
         
         //Publish data to configuration data store
-        DataModificationTransaction it = this.statisticsManager.startChange();
         NodeKey key = new NodeKey(notification.getId());
-        NodeRef ref = getNodeRef(key);
-        
-        final NodeBuilder nodeData = new NodeBuilder(); 
-        nodeData.setKey(key);
         
-        NodeMeterConfigStatsBuilder meterConfig= new NodeMeterConfigStatsBuilder();
-        MeterConfigStatsBuilder stats = new MeterConfigStatsBuilder();
-        stats.setMeterConfigStats(notification.getMeterConfigStats());
-        meterConfig.setMeterConfigStats(stats.build());
+        List<MeterConfigStats> eterConfigStatsList = notification.getMeterConfigStats();
         
-        //Update augmented data
-        nodeData.addAugmentation(NodeMeterConfigStats.class, meterConfig.build());
-        
-        InstanceIdentifier<? extends Object> refValue = ref.getValue();
-        it.putOperationalData(refValue, nodeData.build());
-        it.commit();
+        for(MeterConfigStats meterConfigStats : eterConfigStatsList){
+            DataModificationTransaction it = this.statisticsManager.startChange();
+            MeterBuilder meterBuilder = new MeterBuilder();
+            MeterKey meterKey = new MeterKey(meterConfigStats.getMeterId());
+            meterBuilder.setKey(meterKey);
+            
+            InstanceIdentifier<Meter> meterRef = InstanceIdentifier.builder(Nodes.class).child(Node.class,key)
+                                                                                        .augmentation(FlowCapableNode.class)
+                                                                                        .child(Meter.class,meterKey).toInstance();
+            
+            NodeMeterConfigStatsBuilder meterConfig= new NodeMeterConfigStatsBuilder();
+            MeterConfigStatsBuilder stats = new MeterConfigStatsBuilder();
+            stats.fieldsFrom(meterConfigStats);
+            meterConfig.setMeterConfigStats(stats.build());
+            
+            //Update augmented data
+            meterBuilder.addAugmentation(NodeMeterConfigStats.class, meterConfig.build());
+            it.putOperationalData(meterRef, meterBuilder.build());
+            it.commit();
 
+        }
     }
 
     @Override
     public void onMeterStatisticsUpdated(MeterStatisticsUpdated notification) {
+        
+        //Check if response is for the request statistics-manager sent.
+        if(this.statisticsManager.getMultipartMessageManager().removeTxId(notification.getTransactionId()) == null)
+            return;
+
         //Add statistics to local cache
         ConcurrentMap<NodeId, NodeStatistics> cache = this.statisticsManager.getStatisticsCache();
         if(!cache.containsKey(notification.getId())){
@@ -100,30 +196,41 @@ public class StatisticsUpdateCommiter implements OpendaylightGroupStatisticsList
         }
         cache.get(notification.getId()).setMeterStatistics(notification.getMeterStats());
         
-        //Publish data to configuration data store
-        DataModificationTransaction it = this.statisticsManager.startChange();
         NodeKey key = new NodeKey(notification.getId());
-        NodeRef ref = getNodeRef(key);
-        
-        final NodeBuilder nodeData = new NodeBuilder(); 
-        nodeData.setKey(key);
-        
-        NodeMeterStatisticsBuilder meterStats= new NodeMeterStatisticsBuilder();
-        MeterStatisticsBuilder stats = new MeterStatisticsBuilder();
-        stats.setMeterStats(notification.getMeterStats());
-        meterStats.setMeterStatistics(stats.build());
         
-        //Update augmented data
-        nodeData.addAugmentation(NodeMeterStatistics.class, meterStats.build());
+        List<MeterStats> meterStatsList = notification.getMeterStats();
         
-        InstanceIdentifier<? extends Object> refValue = ref.getValue();
-        it.putOperationalData(refValue, nodeData.build());
-        it.commit();
+        for(MeterStats meterStats : meterStatsList){
 
+            //Publish data to configuration data store
+            DataModificationTransaction it = this.statisticsManager.startChange();
+            MeterBuilder meterBuilder = new MeterBuilder();
+            MeterKey meterKey = new MeterKey(meterStats.getMeterId());
+            meterBuilder.setKey(meterKey);
+            
+            InstanceIdentifier<Meter> meterRef = InstanceIdentifier.builder(Nodes.class).child(Node.class,key)
+                                                                                        .augmentation(FlowCapableNode.class)
+                                                                                        .child(Meter.class,meterKey).toInstance();
+            
+            NodeMeterStatisticsBuilder meterStatsBuilder= new NodeMeterStatisticsBuilder();
+            MeterStatisticsBuilder stats = new MeterStatisticsBuilder();
+            stats.fieldsFrom(meterStats);
+            meterStatsBuilder.setMeterStatistics(stats.build());
+
+            //Update augmented data
+            meterBuilder.addAugmentation(NodeMeterStatistics.class, meterStatsBuilder.build());
+            it.putOperationalData(meterRef, meterBuilder.build());
+            it.commit();
+        }
     }
 
     @Override
     public void onGroupDescStatsUpdated(GroupDescStatsUpdated notification) {
+        
+        //Check if response is for the request statistics-manager sent.
+        if(this.statisticsManager.getMultipartMessageManager().removeTxId(notification.getTransactionId()) == null)
+            return;
+
         //Add statistics to local cache
         ConcurrentMap<NodeId, NodeStatistics> cache = this.statisticsManager.getStatisticsCache();
         if(!cache.containsKey(notification.getId())){
@@ -132,30 +239,40 @@ public class StatisticsUpdateCommiter implements OpendaylightGroupStatisticsList
         cache.get(notification.getId()).setGroupDescStats(notification.getGroupDescStats());
         
         //Publish data to configuration data store
-        DataModificationTransaction it = this.statisticsManager.startChange();
         NodeKey key = new NodeKey(notification.getId());
-        NodeRef ref = getNodeRef(key);
-        
-        final NodeBuilder nodeData = new NodeBuilder(); 
-        nodeData.setKey(key);
-        
-        NodeGroupDescStatsBuilder groupDesc= new NodeGroupDescStatsBuilder();
-        GroupDescBuilder stats = new GroupDescBuilder();
-        stats.setGroupDescStats(notification.getGroupDescStats());
-        groupDesc.setGroupDesc(stats.build());
-        
-        //Update augmented data
-        nodeData.addAugmentation(NodeGroupDescStats.class, groupDesc.build());
+        List<GroupDescStats> groupDescStatsList = notification.getGroupDescStats();
 
-        InstanceIdentifier<? extends Object> refValue = ref.getValue();
-        it.putOperationalData(refValue, nodeData.build());
-        it.commit();
+        for(GroupDescStats groupDescStats : groupDescStatsList){
+            DataModificationTransaction it = this.statisticsManager.startChange();
+            
+            GroupBuilder groupBuilder = new GroupBuilder();
+            GroupKey groupKey = new GroupKey(groupDescStats.getGroupId());
+            groupBuilder.setKey(groupKey);
+            
+            InstanceIdentifier<Group> groupRef = InstanceIdentifier.builder(Nodes.class).child(Node.class,key)
+                                                                                        .augmentation(FlowCapableNode.class)
+                                                                                        .child(Group.class,groupKey).toInstance();
 
+            NodeGroupDescStatsBuilder groupDesc= new NodeGroupDescStatsBuilder();
+            GroupDescBuilder stats = new GroupDescBuilder();
+            stats.fieldsFrom(groupDescStats);
+            groupDesc.setGroupDesc(stats.build());
+            
+            //Update augmented data
+            groupBuilder.addAugmentation(NodeGroupDescStats.class, groupDesc.build());
+
+            it.putOperationalData(groupRef, groupBuilder.build());
+            it.commit();
+        }
     }
 
     @Override
     public void onGroupStatisticsUpdated(GroupStatisticsUpdated notification) {
         
+        //Check if response is for the request statistics-manager sent.
+        if(this.statisticsManager.getMultipartMessageManager().removeTxId(notification.getTransactionId()) == null)
+            return;
+
         //Add statistics to local cache
         ConcurrentMap<NodeId, NodeStatistics> cache = this.statisticsManager.getStatisticsCache();
         if(!cache.containsKey(notification.getId())){
@@ -164,33 +281,30 @@ public class StatisticsUpdateCommiter implements OpendaylightGroupStatisticsList
         cache.get(notification.getId()).setGroupStatistics(notification.getGroupStats());
         
         //Publish data to configuration data store
-        
-        DataModificationTransaction it = this.statisticsManager.startChange();
         NodeKey key = new NodeKey(notification.getId());
-        NodeRef ref = getNodeRef(key);
+        List<GroupStats> groupStatsList = notification.getGroupStats();
 
-        final NodeBuilder nodeData = new NodeBuilder(); 
-        nodeData.setKey(key);
-        
-        NodeGroupStatisticsBuilder groupStats = new NodeGroupStatisticsBuilder();
-        GroupStatisticsBuilder stats = new GroupStatisticsBuilder();
-        stats.setGroupStats(notification.getGroupStats());
-        groupStats.setGroupStatistics(stats.build());
-                
-        //Update augmented data
-        nodeData.addAugmentation(NodeGroupStatistics.class, groupStats.build());
-
-        InstanceIdentifier<? extends Object> refValue = ref.getValue();
-        it.putOperationalData(refValue, nodeData.build());
-        it.commit();
+        for(GroupStats groupStats : groupStatsList){
+            DataModificationTransaction it = this.statisticsManager.startChange();
+            
+            GroupBuilder groupBuilder = new GroupBuilder();
+            GroupKey groupKey = new GroupKey(groupStats.getGroupId());
+            groupBuilder.setKey(groupKey);
+            
+            InstanceIdentifier<Group> groupRef = InstanceIdentifier.builder(Nodes.class).child(Node.class,key)
+                                                                                        .augmentation(FlowCapableNode.class)
+                                                                                        .child(Group.class,groupKey).toInstance();
 
-//        for (GroupStats groupstat : notification.getGroupStats()) {
-//        
-//            GroupStatsKey groupKey = groupstat.getKey();
-//            InstanceIdentifier<? extends Object> id = InstanceIdentifier.builder(Nodes.class).child(Node.class, key).augmentation(NodeGroupStatistics.class).child(GroupStatistics.class).child(GroupStats.class,groupKey).toInstance();
-//            it.putOperationalData(id, groupstat);
-//            it.commit();
-//        }
+            NodeGroupStatisticsBuilder groupStatisticsBuilder= new NodeGroupStatisticsBuilder();
+            GroupStatisticsBuilder stats = new GroupStatisticsBuilder();
+            stats.fieldsFrom(groupStats);
+            groupStatisticsBuilder.setGroupStatistics(stats.build());
+            
+            //Update augmented data
+            groupBuilder.addAugmentation(NodeGroupStatistics.class, groupStatisticsBuilder.build());
+            it.putOperationalData(groupRef, groupBuilder.build());
+            it.commit();
+        }
     }
     
     @Override
@@ -264,9 +378,575 @@ public class StatisticsUpdateCommiter implements OpendaylightGroupStatisticsList
         it.commit();
     }
 
+    @Override
+    public void onFlowsStatisticsUpdate(FlowsStatisticsUpdate notification) {
+        
+        //Check if response is for the request statistics-manager sent.
+        if(this.statisticsManager.getMultipartMessageManager().removeTxId(notification.getTransactionId()) == null)
+            return;
+
+        NodeKey key = new NodeKey(notification.getId());
+        sucLogger.debug("Received flow stats update : {}",notification.toString());
+        
+        for(FlowAndStatisticsMapList map: notification.getFlowAndStatisticsMapList()){
+            short tableId = map.getTableId();
+            
+            DataModificationTransaction it = this.statisticsManager.startChange();
+
+            boolean foundOriginalFlow = false;
+
+            FlowBuilder flowBuilder = new FlowBuilder();
+
+            FlowStatisticsDataBuilder flowStatisticsData = new FlowStatisticsDataBuilder();
+
+            FlowBuilder flow = new FlowBuilder();
+            flow.setContainerName(map.getContainerName());
+            flow.setBufferId(map.getBufferId());
+            flow.setCookie(map.getCookie());
+            flow.setCookieMask(map.getCookieMask());
+            flow.setFlags(map.getFlags());
+            flow.setFlowName(map.getFlowName());
+            flow.setHardTimeout(map.getHardTimeout());
+            if(map.getFlowId() != null)
+                flow.setId(new FlowId(map.getFlowId().getValue()));
+            flow.setIdleTimeout(map.getIdleTimeout());
+            flow.setInstallHw(map.isInstallHw());
+            flow.setInstructions(map.getInstructions());
+            if(map.getFlowId()!= null)
+                flow.setKey(new FlowKey(new FlowId(map.getKey().getFlowId().getValue())));
+            flow.setMatch(map.getMatch());
+            flow.setOutGroup(map.getOutGroup());
+            flow.setOutPort(map.getOutPort());
+            flow.setPriority(map.getPriority());
+            flow.setStrict(map.isStrict());
+            flow.setTableId(tableId);
+                
+            Flow flowRule = flow.build();
+                
+            FlowAndStatisticsMapListBuilder stats = new FlowAndStatisticsMapListBuilder();
+            stats.setByteCount(map.getByteCount());
+            stats.setPacketCount(map.getPacketCount());
+            stats.setDuration(map.getDuration());
+                
+            GenericStatistics flowStats = stats.build();
+                
+            //Add statistics to local cache
+            ConcurrentMap<NodeId, NodeStatistics> cache = this.statisticsManager.getStatisticsCache();
+            if(!cache.containsKey(notification.getId())){
+                cache.put(notification.getId(), new NodeStatistics());
+            }
+            if(!cache.get(notification.getId()).getFlowAndStatsMap().containsKey(tableId)){
+                cache.get(notification.getId()).getFlowAndStatsMap().put(tableId, new HashMap<Flow,GenericStatistics>());
+            }
+            cache.get(notification.getId()).getFlowAndStatsMap().get(tableId).put(flowRule,flowStats);
+                
+            //Augment the data to the flow node
+
+            FlowStatisticsBuilder flowStatistics = new FlowStatisticsBuilder();
+            flowStatistics.setByteCount(flowStats.getByteCount());
+            flowStatistics.setPacketCount(flowStats.getPacketCount());
+            flowStatistics.setDuration(flowStats.getDuration());
+            flowStatistics.setContainerName(map.getContainerName());
+            flowStatistics.setBufferId(map.getBufferId());
+            flowStatistics.setCookie(map.getCookie());
+            flowStatistics.setCookieMask(map.getCookieMask());
+            flowStatistics.setFlags(map.getFlags());
+            flowStatistics.setFlowName(map.getFlowName());
+            flowStatistics.setHardTimeout(map.getHardTimeout());
+            flowStatistics.setIdleTimeout(map.getIdleTimeout());
+            flowStatistics.setInstallHw(map.isInstallHw());
+            flowStatistics.setInstructions(map.getInstructions());
+            flowStatistics.setMatch(map.getMatch());
+            flowStatistics.setOutGroup(map.getOutGroup());
+            flowStatistics.setOutPort(map.getOutPort());
+            flowStatistics.setPriority(map.getPriority());
+            flowStatistics.setStrict(map.isStrict());
+            flowStatistics.setTableId(tableId);
+
+            flowStatisticsData.setFlowStatistics(flowStatistics.build());
+                
+            sucLogger.debug("Flow : {}",flowRule.toString());
+            sucLogger.debug("Statistics to augment : {}",flowStatistics.build().toString());
+
+            InstanceIdentifier<Table> tableRef = InstanceIdentifier.builder(Nodes.class).child(Node.class, key)
+                    .augmentation(FlowCapableNode.class).child(Table.class, new TableKey(tableId)).toInstance();
+            
+            Table table= (Table)it.readConfigurationData(tableRef);
+
+            //TODO: Not a good way to do it, need to figure out better way.
+            //TODO: major issue in any alternate approach is that flow key is incrementally assigned 
+            //to the flows stored in data store.
+            if(table != null){
+
+                for(Flow existingFlow : table.getFlow()){
+                    sucLogger.debug("Existing flow in data store : {}",existingFlow.toString());
+                    if(flowEquals(flowRule,existingFlow)){
+                        InstanceIdentifier<Flow> flowRef = InstanceIdentifier.builder(Nodes.class).child(Node.class, key)
+                                .augmentation(FlowCapableNode.class)
+                                .child(Table.class, new TableKey(tableId))
+                                .child(Flow.class,existingFlow.getKey()).toInstance();
+                        flowBuilder.setKey(existingFlow.getKey());
+                        flowBuilder.addAugmentation(FlowStatisticsData.class, flowStatisticsData.build());
+                        sucLogger.info("Found matching flow in the datastore, augmenting statistics");
+                        foundOriginalFlow = true;
+                        it.putOperationalData(flowRef, flowBuilder.build());
+                        it.commit();
+                        break;
+                    }
+                }
+            }
+            
+            if(!foundOriginalFlow){
+                sucLogger.debug("Associated original flow is not found in data store. Augmenting flow in operational data store");
+                //TODO: Temporary fix: format [ 1+tableid+1+unaccounted flow counter]
+                long flowKey = Long.parseLong(new String("1"+Short.toString(tableId)+"1"+Integer.toString(this.unaccountedFlowsCounter)));
+                FlowKey newFlowKey = new FlowKey(new FlowId(flowKey));
+                InstanceIdentifier<Flow> flowRef = InstanceIdentifier.builder(Nodes.class).child(Node.class, key)
+                        .augmentation(FlowCapableNode.class)
+                        .child(Table.class, new TableKey(tableId))
+                        .child(Flow.class,newFlowKey).toInstance();
+                flowBuilder.setKey(newFlowKey);
+                flowBuilder.addAugmentation(FlowStatisticsData.class, flowStatisticsData.build());
+                sucLogger.info("Flow was no present in data store, augmenting statistics as an unaccounted flow");
+                it.putOperationalData(flowRef, flowBuilder.build());
+                it.commit();
+            }
+        }
+    }
+
+    @Override
+    public void onAggregateFlowStatisticsUpdate(AggregateFlowStatisticsUpdate notification) {
+        //Check if response is for the request statistics-manager sent.
+        if(this.statisticsManager.getMultipartMessageManager().removeTxId(notification.getTransactionId()) == null)
+            return;
+
+        NodeKey key = new NodeKey(notification.getId());
+        sucLogger.debug("Received aggregate flow statistics update : {}",notification.toString());
+        
+        Short tableId = this.statisticsManager.getMultipartMessageManager().getTableIdForTxId(notification.getTransactionId());
+        if(tableId != null){
+            
+            DataModificationTransaction it = this.statisticsManager.startChange();
+
+            InstanceIdentifier<Table> tableRef = InstanceIdentifier.builder(Nodes.class).child(Node.class, key)
+                    .augmentation(FlowCapableNode.class).child(Table.class, new TableKey(tableId)).toInstance();
+
+            AggregateFlowStatisticsDataBuilder aggregateFlowStatisticsDataBuilder = new AggregateFlowStatisticsDataBuilder();
+            AggregateFlowStatisticsBuilder aggregateFlowStatisticsBuilder = new AggregateFlowStatisticsBuilder();
+            aggregateFlowStatisticsBuilder.setByteCount(notification.getByteCount());
+            aggregateFlowStatisticsBuilder.setFlowCount(notification.getFlowCount());
+            aggregateFlowStatisticsBuilder.setPacketCount(notification.getPacketCount());
+            aggregateFlowStatisticsDataBuilder.setAggregateFlowStatistics(aggregateFlowStatisticsBuilder.build());
+            
+            ConcurrentMap<NodeId, NodeStatistics> cache = this.statisticsManager.getStatisticsCache();
+            if(!cache.containsKey(notification.getId())){
+                cache.put(notification.getId(), new NodeStatistics());
+            }
+            cache.get(notification.getId()).getTableAndAggregateFlowStatsMap().put(tableId,aggregateFlowStatisticsBuilder.build());
+            
+            sucLogger.debug("Augment aggregate statistics: {} for table {} on Node {}",aggregateFlowStatisticsBuilder.build().toString(),tableId,key);
+
+            TableBuilder tableBuilder = new TableBuilder();
+            tableBuilder.setKey(new TableKey(tableId));
+            tableBuilder.addAugmentation(AggregateFlowStatisticsData.class, aggregateFlowStatisticsDataBuilder.build());
+            it.putOperationalData(tableRef, tableBuilder.build());
+            it.commit();
+
+        }
+    }
+
+    @Override
+    public void onNodeConnectorStatisticsUpdate(NodeConnectorStatisticsUpdate notification) {
+        //Check if response is for the request statistics-manager sent.
+        if(this.statisticsManager.getMultipartMessageManager().removeTxId(notification.getTransactionId()) == null)
+            return;
+
+        NodeKey key = new NodeKey(notification.getId());
+        sucLogger.debug("Received port stats update : {}",notification.toString());
+        
+        //Add statistics to local cache
+        ConcurrentMap<NodeId, NodeStatistics> cache = this.statisticsManager.getStatisticsCache();
+        if(!cache.containsKey(notification.getId())){
+            cache.put(notification.getId(), new NodeStatistics());
+        }
+
+
+        List<NodeConnectorStatisticsAndPortNumberMap> portsStats = notification.getNodeConnectorStatisticsAndPortNumberMap();
+        for(NodeConnectorStatisticsAndPortNumberMap portStats : portsStats){
+            
+            DataModificationTransaction it = this.statisticsManager.startChange();
+
+            FlowCapableNodeConnectorStatisticsBuilder statisticsBuilder 
+                                            = new FlowCapableNodeConnectorStatisticsBuilder();
+            statisticsBuilder.setBytes(portStats.getBytes());
+            statisticsBuilder.setCollisionCount(portStats.getCollisionCount());
+            statisticsBuilder.setDuration(portStats.getDuration());
+            statisticsBuilder.setPackets(portStats.getPackets());
+            statisticsBuilder.setReceiveCrcError(portStats.getReceiveCrcError());
+            statisticsBuilder.setReceiveDrops(portStats.getReceiveDrops());
+            statisticsBuilder.setReceiveErrors(portStats.getReceiveErrors());
+            statisticsBuilder.setReceiveFrameError(portStats.getReceiveFrameError());
+            statisticsBuilder.setReceiveOverRunError(portStats.getReceiveOverRunError());
+            statisticsBuilder.setTransmitDrops(portStats.getTransmitDrops());
+            statisticsBuilder.setTransmitErrors(portStats.getTransmitErrors());
+            
+            //Update data in the cache
+            cache.get(notification.getId()).getNodeConnectorStats().put(portStats.getNodeConnectorId(), statisticsBuilder.build());
+            
+            //Augment data to the node-connector
+            FlowCapableNodeConnectorStatisticsDataBuilder statisticsDataBuilder = 
+                    new FlowCapableNodeConnectorStatisticsDataBuilder();
+            
+            statisticsDataBuilder.setFlowCapableNodeConnectorStatistics(statisticsBuilder.build());
+            
+            InstanceIdentifier<NodeConnector> nodeConnectorRef = InstanceIdentifier.builder(Nodes.class).child(Node.class, key).child(NodeConnector.class, new NodeConnectorKey(portStats.getNodeConnectorId())).toInstance();
+            
+            NodeConnector nodeConnector = (NodeConnector)it.readOperationalData(nodeConnectorRef);
+            
+            if(nodeConnector != null){
+                sucLogger.debug("Augmenting port statistics {} to port {}",statisticsDataBuilder.build().toString(),nodeConnectorRef.toString());
+                NodeConnectorBuilder nodeConnectorBuilder = new NodeConnectorBuilder();
+                nodeConnectorBuilder.addAugmentation(FlowCapableNodeConnectorStatisticsData.class, statisticsDataBuilder.build());
+                it.putOperationalData(nodeConnectorRef, nodeConnectorBuilder.build());
+                it.commit();
+            }
+        }
+    }
+
+    @Override
+    public void onFlowTableStatisticsUpdate(FlowTableStatisticsUpdate notification) {
+        //Check if response is for the request statistics-manager sent.
+        if(this.statisticsManager.getMultipartMessageManager().removeTxId(notification.getTransactionId()) == null)
+            return;
+
+        NodeKey key = new NodeKey(notification.getId());
+        sucLogger.debug("Received flow table statistics update : {}",notification.toString());
+        
+        List<FlowTableAndStatisticsMap> flowTablesStatsList = notification.getFlowTableAndStatisticsMap();
+        for (FlowTableAndStatisticsMap ftStats : flowTablesStatsList){
+            
+            DataModificationTransaction it = this.statisticsManager.startChange();
+
+            InstanceIdentifier<Table> tableRef = InstanceIdentifier.builder(Nodes.class).child(Node.class, key)
+                    .augmentation(FlowCapableNode.class).child(Table.class, new TableKey(ftStats.getTableId().getValue())).toInstance();
+            
+            FlowTableStatisticsDataBuilder statisticsDataBuilder = new FlowTableStatisticsDataBuilder();
+            
+            FlowTableStatisticsBuilder statisticsBuilder = new FlowTableStatisticsBuilder();
+            statisticsBuilder.setActiveFlows(ftStats.getActiveFlows());
+            statisticsBuilder.setPacketsLookedUp(ftStats.getPacketsLookedUp());
+            statisticsBuilder.setPacketsMatched(ftStats.getPacketsMatched());
+            
+            statisticsDataBuilder.setFlowTableStatistics(statisticsBuilder.build());
+            
+            ConcurrentMap<NodeId, NodeStatistics> cache = this.statisticsManager.getStatisticsCache();
+            if(!cache.containsKey(notification.getId())){
+                cache.put(notification.getId(), new NodeStatistics());
+            }
+            cache.get(notification.getId()).getFlowTableAndStatisticsMap().put(ftStats.getTableId().getValue(),statisticsBuilder.build());
+            
+            sucLogger.debug("Augment flow table statistics: {} for table {} on Node {}",statisticsBuilder.build().toString(),ftStats.getTableId(),key);
+            
+            TableBuilder tableBuilder = new TableBuilder();
+            tableBuilder.setKey(new TableKey(ftStats.getTableId().getValue()));
+            tableBuilder.addAugmentation(FlowTableStatisticsData.class, statisticsDataBuilder.build());
+            it.putOperationalData(tableRef, tableBuilder.build());
+            it.commit();
+        }
+    }
+
+    @Override
+    public void onQueueStatisticsUpdate(QueueStatisticsUpdate notification) {
+        
+        //Check if response is for the request statistics-manager sent.
+        if(this.statisticsManager.getMultipartMessageManager().removeTxId(notification.getTransactionId()) == null)
+            return;
+
+        NodeKey key = new NodeKey(notification.getId());
+        sucLogger.debug("Received queue stats update : {}",notification.toString());
+        
+        //Add statistics to local cache
+        ConcurrentMap<NodeId, NodeStatistics> cache = this.statisticsManager.getStatisticsCache();
+        if(!cache.containsKey(notification.getId())){
+            cache.put(notification.getId(), new NodeStatistics());
+        }
+        
+        List<QueueIdAndStatisticsMap> queuesStats = notification.getQueueIdAndStatisticsMap();
+        for(QueueIdAndStatisticsMap swQueueStats : queuesStats){
+            
+            if(!cache.get(notification.getId()).getNodeConnectorAndQueuesStatsMap().containsKey(swQueueStats.getNodeConnectorId())){
+                cache.get(notification.getId()).getNodeConnectorAndQueuesStatsMap().put(swQueueStats.getNodeConnectorId(), new HashMap<QueueId,GenericQueueStatistics>());
+            }
+            
+            FlowCapableNodeConnectorQueueStatisticsDataBuilder queueStatisticsDataBuilder = new FlowCapableNodeConnectorQueueStatisticsDataBuilder();
+            
+            FlowCapableNodeConnectorQueueStatisticsBuilder queueStatisticsBuilder = new FlowCapableNodeConnectorQueueStatisticsBuilder();
+            
+            queueStatisticsBuilder.fieldsFrom(swQueueStats);
+            
+            queueStatisticsDataBuilder.setFlowCapableNodeConnectorQueueStatistics(queueStatisticsBuilder.build());
+            
+            cache.get(notification.getId()).getNodeConnectorAndQueuesStatsMap()
+                                            .get(swQueueStats.getNodeConnectorId())
+                                            .put(swQueueStats.getQueueId(), queueStatisticsBuilder.build());
+            
+            
+            DataModificationTransaction it = this.statisticsManager.startChange();
+
+            InstanceIdentifier<Queue> queueRef 
+                    = InstanceIdentifier.builder(Nodes.class)
+                                        .child(Node.class, key)
+                                        .child(NodeConnector.class, new NodeConnectorKey(swQueueStats.getNodeConnectorId()))
+                                        .augmentation(FlowCapableNodeConnector.class)
+                                        .child(Queue.class, new QueueKey(swQueueStats.getQueueId())).toInstance();
+            
+            QueueBuilder queueBuilder = new QueueBuilder();
+            queueBuilder.addAugmentation(FlowCapableNodeConnectorQueueStatisticsData.class, queueStatisticsDataBuilder.build());
+            queueBuilder.setKey(new QueueKey(swQueueStats.getQueueId()));
+
+            sucLogger.info("Augmenting queue statistics {} of queue {} to port {}"
+                                        ,queueStatisticsDataBuilder.build().toString(),
+                                        swQueueStats.getQueueId(),
+                                        swQueueStats.getNodeConnectorId());
+            
+            it.putOperationalData(queueRef, queueBuilder.build());
+            it.commit();
+            
+        }
+        
+    }
+
     private NodeRef getNodeRef(NodeKey nodeKey){
         InstanceIdentifierBuilder<?> builder = InstanceIdentifier.builder(Nodes.class).child(Node.class, nodeKey);
         return new NodeRef(builder.toInstance());
     }
+    
+    public boolean flowEquals(Flow statsFlow, Flow storedFlow) {
+        if (statsFlow.getClass() != storedFlow.getClass()) {
+            return false;
+        }
+        if (statsFlow.getBufferId()== null) {
+            if (storedFlow.getBufferId() != null) {
+                return false;
+            }
+        } else if(!statsFlow.getBufferId().equals(storedFlow.getBufferId())) {
+            return false;
+        }
+        if (statsFlow.getContainerName()== null) {
+            if (storedFlow.getContainerName()!= null) {
+                return false;
+            }
+        } else if(!statsFlow.getContainerName().equals(storedFlow.getContainerName())) {
+            return false;
+        }
+        if (statsFlow.getCookie()== null) {
+            if (storedFlow.getCookie()!= null) {
+                return false;
+            }
+        } else if(!statsFlow.getCookie().equals(storedFlow.getCookie())) {
+            return false;
+        }
+        if (statsFlow.getMatch()== null) {
+            if (storedFlow.getMatch() != null) {
+                return false;
+            }
+        } //else if(!statsFlow.getMatch().equals(storedFlow.getMatch())) {
+        else if(!matchEquals(statsFlow.getMatch(), storedFlow.getMatch())) {
+            return false;
+        }
+        if (statsFlow.getHardTimeout() == null) {
+            if (storedFlow.getHardTimeout() != null) {
+                return false;
+            }
+        } else if(!statsFlow.getHardTimeout().equals(storedFlow.getHardTimeout() )) {
+            return false;
+        }
+        if (statsFlow.getIdleTimeout()== null) {
+            if (storedFlow.getIdleTimeout() != null) {
+                return false;
+            }
+        } else if(!statsFlow.getIdleTimeout().equals(storedFlow.getIdleTimeout())) {
+            return false;
+        }
+        if (statsFlow.getPriority() == null) {
+            if (storedFlow.getPriority() != null) {
+                return false;
+            }
+        } else if(!statsFlow.getPriority().equals(storedFlow.getPriority())) {
+            return false;
+        }
+        if (statsFlow.getTableId() == null) {
+            if (storedFlow.getTableId() != null) {
+                return false;
+            }
+        } else if(!statsFlow.getTableId().equals(storedFlow.getTableId())) {
+            return false;
+        }
+        return true;
+    }
+    
+    /**
+     * Explicit equals method to compare the 'match' for flows stored in the data-stores and flow fetched from the switch.
+     * Usecase: e.g If user don't set any ethernet source and destination address for match,data store will store null for 
+     * these address.
+     * e.g [_ethernetMatch=EthernetMatch [_ethernetDestination=null, _ethernetSource=null, _ethernetType=
+     * EthernetType [_type=EtherType [_value=2048], _mask=null, augmentation=[]]
+     * 
+     * But when you fetch the flows from switch, openflow driver library converts all zero bytes of mac address in the 
+     * message stream to 00:00:00:00:00:00. Following string shows how library interpret the zero mac address bytes and 
+     * eventually when translator convert it to MD-SAL match, this is how it looks 
+     * [_ethernetDestination=EthernetDestination [_address=MacAddress [_value=00:00:00:00:00:00], _mask=null, augmentation=[]], 
+     * _ethernetSource=EthernetSource [_address=MacAddress [_value=00:00:00:00:00:00], _mask=null, augmentation=[]], 
+     * _ethernetType=EthernetType [_type=EtherType [_value=2048], _mask=null, augmentation=[]]
+     * 
+     * So this custom equals method add additional check, in case any match element is null in data-store-flow, but not
+     * in the flow fetched from switch.
+     * 
+     * @param statsFlow
+     * @param storedFlow
+     * @return
+     */
+    public boolean matchEquals(Match statsFlow, Match storedFlow) {
+        if (statsFlow == storedFlow) {
+            return true;
+        }
+        if (storedFlow.getClass() != statsFlow.getClass()) {
+            return false;
+        }
+        if (storedFlow.getEthernetMatch() == null) {
+            if (statsFlow.getEthernetMatch() != null) {
+                if(!statsFlow.getEthernetMatch().getEthernetDestination().getAddress().getValue().equals("00:00:00:00:00:00") ||
+                        !statsFlow.getEthernetMatch().getEthernetSource().getAddress().getValue().equals("00:00:00:00:00:00")){
+                    return false;
+                }
+            }
+        } //else if(!storedFlow.getEthernetMatch().equals(statsFlow.getEthernetMatch())) {
+        else if(!EthernetMatchEquals(statsFlow.getEthernetMatch(),storedFlow.getEthernetMatch())) {
+            return false;
+        }
+        if (storedFlow.getIcmpv4Match()== null) {
+            if (statsFlow.getIcmpv4Match() != null) {
+                return false;
+            }
+        } else if(!storedFlow.getIcmpv4Match().equals(statsFlow.getIcmpv4Match())) {
+            return false;
+        }
+        if (storedFlow.getIcmpv6Match() == null) {
+            if (statsFlow.getIcmpv6Match() != null) {
+                return false;
+            }
+        } else if(!storedFlow.getIcmpv6Match().equals(statsFlow.getIcmpv6Match())) {
+            return false;
+        }
+        if (storedFlow.getInPhyPort() == null) {
+            if (statsFlow.getInPhyPort() != null) {
+                return false;
+            }
+        } else if(!storedFlow.getInPhyPort().equals(statsFlow.getInPhyPort())) {
+            return false;
+        }
+        if (storedFlow.getInPort()== null) {
+            if (statsFlow.getInPort() != null) {
+                return false;
+            }
+        } else if(!storedFlow.getInPort().equals(statsFlow.getInPort())) {
+            return false;
+        }
+        if (storedFlow.getIpMatch()== null) {
+            if (statsFlow.getIpMatch() != null) {
+                return false;
+            }
+        } else if(!storedFlow.getIpMatch().equals(statsFlow.getIpMatch())) {
+            return false;
+        }
+        if (storedFlow.getLayer3Match()== null) {
+            if (statsFlow.getLayer3Match() != null) {
+                Ipv4Match ipv4Match = (Ipv4Match)statsFlow.getLayer3Match();
+                if(!ipv4Match.getIpv4Source().getValue().equals("0.0.0.0/0") ||
+                        !ipv4Match.getIpv4Destination().getValue().equals("0.0.0.0/0")){
+                    return false;
+                }
+            }
+        } else if(!storedFlow.getLayer3Match().equals(statsFlow.getLayer3Match())) {
+            return false;
+        }
+        if (storedFlow.getLayer4Match()== null) {
+            if (statsFlow.getLayer4Match() != null) {
+                TcpMatch tcpMatch = (TcpMatch)statsFlow.getLayer4Match();
+                if(!tcpMatch.getTcpDestinationPort().getValue().equals(0) ||
+                    !tcpMatch.getTcpSourcePort().getValue().equals(0)){
+                        return false;
+                }
+            }
+        } else if(!storedFlow.getLayer4Match().equals(statsFlow.getLayer4Match())) {
+            return false;
+        }
+        if (storedFlow.getMetadata() == null) {
+            if (statsFlow.getMetadata() != null) {
+                return false;
+            }
+        } else if(!storedFlow.getMetadata().equals(statsFlow.getMetadata())) {
+            return false;
+        }
+        if (storedFlow.getProtocolMatchFields() == null) {
+            if (statsFlow.getProtocolMatchFields() != null) {
+                return false;
+            }
+        } else if(!storedFlow.getProtocolMatchFields().equals(statsFlow.getProtocolMatchFields())) {
+            return false;
+        }
+        if (storedFlow.getTunnel()== null) {
+            if (statsFlow.getTunnel() != null) {
+                return false;
+            }
+        } else if(!storedFlow.getTunnel().equals(statsFlow.getTunnel())) {
+            return false;
+        }
+        if (storedFlow.getVlanMatch()== null) {
+            if (statsFlow.getVlanMatch() != null) {
+                VlanMatch vlanMatch = statsFlow.getVlanMatch();
+                if(!vlanMatch.getVlanId().getVlanId().getValue().equals(0) ||
+                        !vlanMatch.getVlanPcp().getValue().equals((short)0)){
+                    return false;
+                }
+            }
+        } else if(!storedFlow.getVlanMatch().equals(statsFlow.getVlanMatch())) {
+            return false;
+        }
+        return true;
+    }
 
+    public boolean EthernetMatchEquals(EthernetMatch statsEtherMatch, EthernetMatch storedEtherMatch) {
+        if (statsEtherMatch == storedEtherMatch) {
+            return true;
+        }
+        if (storedEtherMatch.getEthernetDestination()== null) {
+            if (statsEtherMatch.getEthernetDestination() != null) {
+                if(!statsEtherMatch.getEthernetDestination().getAddress().getValue().equals("00:00:00:00:00:00")){
+                    return false;
+                }
+            }
+        } else if(!storedEtherMatch.getEthernetDestination().equals(statsEtherMatch.getEthernetDestination())) {
+            return false;
+        }
+        if (storedEtherMatch.getEthernetSource() == null) {
+            if (statsEtherMatch.getEthernetSource() != null) {
+                if(!statsEtherMatch.getEthernetSource().getAddress().getValue().equals("00:00:00:00:00:00")){
+                    return false;
+                }
+            }
+        } else if(!storedEtherMatch.getEthernetSource().equals(statsEtherMatch.getEthernetSource())) {
+            return false;
+        }
+        if (storedEtherMatch.getEthernetType() == null) {
+            if (statsEtherMatch.getEthernetType() != null) {
+                if(!statsEtherMatch.getEthernetType().getType().getValue().equals(0)){
+                    return false;
+                }
+            }
+        } else if(!storedEtherMatch.getEthernetType().equals(statsEtherMatch.getEthernetType())) {
+            return false;
+        }
+        return true;
+    }
 }