External api proposal
[openflowplugin.git] / openflowplugin / src / main / java / org / opendaylight / openflowplugin / openflow / md / core / sal / ModelDrivenSwitchImpl.java
index 22e25f8dba887e9cad71fd8ecd5ad6d964f86a00..46eca4f7d94a9b062682108337afb114da9b3002 100644 (file)
  */
 package org.opendaylight.openflowplugin.openflow.md.core.sal;
 
-import java.math.BigInteger;
-import java.util.ArrayList;
-import java.util.Collection;
-import java.util.Collections;
-import java.util.List;
+import com.google.common.util.concurrent.Futures;
+import com.google.common.util.concurrent.ListenableFuture;
 import java.util.concurrent.Future;
-
-import org.opendaylight.controller.sal.common.util.Rpcs;
-import org.opendaylight.openflowjava.protocol.api.util.BinContent;
-import org.opendaylight.openflowplugin.openflow.md.core.SwitchConnectionDistinguisher;
-import org.opendaylight.openflowplugin.openflow.md.core.sal.convertor.FlowConvertor;
-import org.opendaylight.openflowplugin.openflow.md.core.sal.convertor.GroupConvertor;
-import org.opendaylight.openflowplugin.openflow.md.core.sal.convertor.MeterConvertor;
-import org.opendaylight.openflowplugin.openflow.md.core.sal.convertor.PortConvertor;
-import org.opendaylight.openflowplugin.openflow.md.core.sal.convertor.TableFeaturesConvertor;
-import org.opendaylight.openflowplugin.openflow.md.core.session.IMessageDispatchService;
-import org.opendaylight.openflowplugin.openflow.md.core.session.SessionContext;
+import java.util.concurrent.TimeUnit;
+import org.opendaylight.controller.sal.binding.api.NotificationProviderService;
+import org.opendaylight.openflowplugin.api.openflow.md.core.SwitchConnectionDistinguisher;
+import org.opendaylight.openflowplugin.openflow.md.core.sal.convertor.PacketOutConvertor;
+import org.opendaylight.openflowplugin.api.openflow.md.core.session.IMessageDispatchService;
+import org.opendaylight.openflowplugin.openflow.md.core.session.OFSessionUtil;
+import org.opendaylight.openflowplugin.api.openflow.md.core.session.SessionContext;
+import org.opendaylight.openflowplugin.openflow.md.core.session.SwitchConnectionCookieOFImpl;
 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.service.rev130819.AddFlowInput;
 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.service.rev130819.AddFlowOutput;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.service.rev130819.AddFlowOutputBuilder;
 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.service.rev130819.RemoveFlowInput;
 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.service.rev130819.RemoveFlowOutput;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.service.rev130819.RemoveFlowOutputBuilder;
 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.service.rev130819.UpdateFlowInput;
 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.service.rev130819.UpdateFlowOutput;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.service.rev130819.UpdateFlowOutputBuilder;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.group.service.rev130918.AddGroupOutput;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.transaction.rev131103.TransactionId;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.types.port.rev130925.port.mod.port.Port;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.types.rev131026.Flow;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.statistics.rev130819.GetAggregateFlowStatisticsFromFlowTableForAllFlowsInput;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.statistics.rev130819.GetAggregateFlowStatisticsFromFlowTableForAllFlowsOutput;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.statistics.rev130819.GetAggregateFlowStatisticsFromFlowTableForGivenMatchInput;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.statistics.rev130819.GetAggregateFlowStatisticsFromFlowTableForGivenMatchOutput;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.statistics.rev130819.GetAllFlowStatisticsFromFlowTableInput;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.statistics.rev130819.GetAllFlowStatisticsFromFlowTableOutput;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.statistics.rev130819.GetAllFlowsStatisticsFromAllFlowTablesInput;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.statistics.rev130819.GetAllFlowsStatisticsFromAllFlowTablesOutput;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.statistics.rev130819.GetFlowStatisticsFromFlowTableInput;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.statistics.rev130819.GetFlowStatisticsFromFlowTableOutput;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.table.statistics.rev131215.GetFlowTablesStatisticsInput;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.table.statistics.rev131215.GetFlowTablesStatisticsOutput;
 import org.opendaylight.yang.gen.v1.urn.opendaylight.group.service.rev130918.AddGroupInput;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.group.service.rev130918.AddGroupOutputBuilder;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.group.service.rev130918.AddGroupOutput;
 import org.opendaylight.yang.gen.v1.urn.opendaylight.group.service.rev130918.RemoveGroupInput;
 import org.opendaylight.yang.gen.v1.urn.opendaylight.group.service.rev130918.RemoveGroupOutput;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.group.service.rev130918.RemoveGroupOutputBuilder;
 import org.opendaylight.yang.gen.v1.urn.opendaylight.group.service.rev130918.UpdateGroupInput;
 import org.opendaylight.yang.gen.v1.urn.opendaylight.group.service.rev130918.UpdateGroupOutput;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.group.service.rev130918.UpdateGroupOutputBuilder;
 import org.opendaylight.yang.gen.v1.urn.opendaylight.group.statistics.rev131111.GetAllGroupStatisticsInput;
 import org.opendaylight.yang.gen.v1.urn.opendaylight.group.statistics.rev131111.GetAllGroupStatisticsOutput;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.group.statistics.rev131111.GetAllGroupStatisticsOutputBuilder;
 import org.opendaylight.yang.gen.v1.urn.opendaylight.group.statistics.rev131111.GetGroupDescriptionInput;
 import org.opendaylight.yang.gen.v1.urn.opendaylight.group.statistics.rev131111.GetGroupDescriptionOutput;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.group.statistics.rev131111.GetGroupDescriptionOutputBuilder;
 import org.opendaylight.yang.gen.v1.urn.opendaylight.group.statistics.rev131111.GetGroupFeaturesInput;
 import org.opendaylight.yang.gen.v1.urn.opendaylight.group.statistics.rev131111.GetGroupFeaturesOutput;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.group.statistics.rev131111.GetGroupFeaturesOutputBuilder;
 import org.opendaylight.yang.gen.v1.urn.opendaylight.group.statistics.rev131111.GetGroupStatisticsInput;
 import org.opendaylight.yang.gen.v1.urn.opendaylight.group.statistics.rev131111.GetGroupStatisticsOutput;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.group.statistics.rev131111.GetGroupStatisticsOutputBuilder;
 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.NodeId;
 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.nodes.Node;
 import org.opendaylight.yang.gen.v1.urn.opendaylight.meter.service.rev130918.AddMeterInput;
 import org.opendaylight.yang.gen.v1.urn.opendaylight.meter.service.rev130918.AddMeterOutput;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.meter.service.rev130918.AddMeterOutputBuilder;
 import org.opendaylight.yang.gen.v1.urn.opendaylight.meter.service.rev130918.RemoveMeterInput;
 import org.opendaylight.yang.gen.v1.urn.opendaylight.meter.service.rev130918.RemoveMeterOutput;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.meter.service.rev130918.RemoveMeterOutputBuilder;
 import org.opendaylight.yang.gen.v1.urn.opendaylight.meter.service.rev130918.UpdateMeterInput;
 import org.opendaylight.yang.gen.v1.urn.opendaylight.meter.service.rev130918.UpdateMeterOutput;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.meter.service.rev130918.UpdateMeterOutputBuilder;
 import org.opendaylight.yang.gen.v1.urn.opendaylight.meter.statistics.rev131111.GetAllMeterConfigStatisticsInput;
 import org.opendaylight.yang.gen.v1.urn.opendaylight.meter.statistics.rev131111.GetAllMeterConfigStatisticsOutput;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.meter.statistics.rev131111.GetAllMeterConfigStatisticsOutputBuilder;
 import org.opendaylight.yang.gen.v1.urn.opendaylight.meter.statistics.rev131111.GetAllMeterStatisticsInput;
 import org.opendaylight.yang.gen.v1.urn.opendaylight.meter.statistics.rev131111.GetAllMeterStatisticsOutput;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.meter.statistics.rev131111.GetAllMeterStatisticsOutputBuilder;
 import org.opendaylight.yang.gen.v1.urn.opendaylight.meter.statistics.rev131111.GetMeterFeaturesInput;
 import org.opendaylight.yang.gen.v1.urn.opendaylight.meter.statistics.rev131111.GetMeterFeaturesOutput;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.meter.statistics.rev131111.GetMeterFeaturesOutputBuilder;
 import org.opendaylight.yang.gen.v1.urn.opendaylight.meter.statistics.rev131111.GetMeterStatisticsInput;
 import org.opendaylight.yang.gen.v1.urn.opendaylight.meter.statistics.rev131111.GetMeterStatisticsOutput;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.meter.statistics.rev131111.GetMeterStatisticsOutputBuilder;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.types.rev130731.Group;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.types.rev130731.Meter;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.types.rev130731.MultipartRequestFlags;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.types.rev130731.MultipartType;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev130731.oxm.fields.MatchEntries;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.FlowModInput;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.FlowModInputBuilder;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.GroupModInput;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.MeterModInput;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.MultipartRequestInputBuilder;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.PortModInput;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.PortModInputBuilder;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.match.grouping.Match;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.match.grouping.MatchBuilder;
-//import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.multipart.reply.multipart.reply.body.multipart.reply.table.features.TableFeatures;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.multipart.request.multipart.request.body.MultipartRequestGroupBuilder;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.multipart.request.multipart.request.body.MultipartRequestGroupDescBuilder;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.multipart.request.multipart.request.body.MultipartRequestGroupFeaturesBuilder;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.multipart.request.multipart.request.body.MultipartRequestMeterBuilder;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.multipart.request.multipart.request.body.MultipartRequestMeterConfigBuilder;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.multipart.request.multipart.request.body.MultipartRequestMeterFeaturesBuilder;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.multipart.request.multipart.request.body.MultipartRequestTableFeaturesBuilder;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.multipart.request.multipart.request.body.multipart.request.table.features.TableFeatures;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.module.config.rev141015.SetConfigInput;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.module.config.rev141015.SetConfigOutput;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.PacketOutInput;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.packet.service.rev130709.ConnectionCookie;
 import org.opendaylight.yang.gen.v1.urn.opendaylight.packet.service.rev130709.TransmitPacketInput;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.port.service.rev131107.GetPortOutput;
 import org.opendaylight.yang.gen.v1.urn.opendaylight.port.service.rev131107.UpdatePortInput;
 import org.opendaylight.yang.gen.v1.urn.opendaylight.port.service.rev131107.UpdatePortOutput;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.port.service.rev131107.UpdatePortOutputBuilder;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.port.statistics.rev131214.GetAllNodeConnectorsStatisticsInput;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.port.statistics.rev131214.GetAllNodeConnectorsStatisticsOutput;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.port.statistics.rev131214.GetNodeConnectorStatisticsInput;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.port.statistics.rev131214.GetNodeConnectorStatisticsOutput;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.queue.statistics.rev131216.GetAllQueuesStatisticsFromAllPortsInput;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.queue.statistics.rev131216.GetAllQueuesStatisticsFromAllPortsOutput;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.queue.statistics.rev131216.GetAllQueuesStatisticsFromGivenPortInput;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.queue.statistics.rev131216.GetAllQueuesStatisticsFromGivenPortOutput;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.queue.statistics.rev131216.GetQueueStatisticsFromGivenPortInput;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.queue.statistics.rev131216.GetQueueStatisticsFromGivenPortOutput;
 import org.opendaylight.yang.gen.v1.urn.opendaylight.table.service.rev131026.UpdateTableInput;
 import org.opendaylight.yang.gen.v1.urn.opendaylight.table.service.rev131026.UpdateTableOutput;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.table.service.rev131026.UpdateTableOutputBuilder;
 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
-import org.opendaylight.yangtools.yang.common.RpcError;
 import org.opendaylight.yangtools.yang.common.RpcResult;
 import org.slf4j.Logger;
 
-import com.google.common.util.concurrent.Futures;
-
 /**
  * RPC implementation of MD-switch
  */
 public class ModelDrivenSwitchImpl extends AbstractModelDrivenSwitch {
 
-    private static final Logger LOG = org.slf4j.LoggerFactory
-            .getLogger(ModelDrivenSwitchImpl.class);
+    private static final Logger LOG = org.slf4j.LoggerFactory.getLogger(ModelDrivenSwitchImpl.class);
     private final NodeId nodeId;
-    private final IMessageDispatchService messageService ;
+    private final IMessageDispatchService messageService;
     private short version = 0;
+    private OFRpcTaskContext rpcTaskContext;
+
+    // TODO:read timeout from configSubsystem
+    protected long maxTimeout = 1000;
+    protected TimeUnit maxTimeoutUnit = TimeUnit.MILLISECONDS;
 
-    protected ModelDrivenSwitchImpl(NodeId nodeId,
-            InstanceIdentifier<Node> identifier, SessionContext context) {
-        super(identifier, context);
+    protected ModelDrivenSwitchImpl(final NodeId nodeId, final InstanceIdentifier<Node> identifier,
+                                    final SessionContext sessionContext) {
+        super(identifier, sessionContext);
         this.nodeId = nodeId;
-        messageService = sessionContext.getMessageDispatchService() ;
-        version = context.getPrimaryConductor().getVersion();
+        messageService = sessionContext.getMessageDispatchService();
+        version = sessionContext.getPrimaryConductor().getVersion();
+        final NotificationProviderService rpcNotificationProviderService = OFSessionUtil.getSessionManager().getNotificationProviderService();
+
+        rpcTaskContext = new OFRpcTaskContext();
+        rpcTaskContext.setSession(sessionContext);
+        rpcTaskContext.setMessageService(messageService);
+        rpcTaskContext.setRpcNotificationProviderService(rpcNotificationProviderService);
+        rpcTaskContext.setMaxTimeout(maxTimeout);
+        rpcTaskContext.setMaxTimeoutUnit(maxTimeoutUnit);
+        rpcTaskContext.setRpcPool(OFSessionUtil.getSessionManager().getRpcPool());
+        rpcTaskContext.setMessageSpy(OFSessionUtil.getSessionManager().getMessageSpy());
     }
 
     @Override
-    public Future<RpcResult<AddFlowOutput>> addFlow(AddFlowInput input) {
-       // Convert the AddFlowInput to FlowModInput
-        FlowModInput ofFlowModInput = FlowConvertor.toFlowModInput(input, version);
-
-       // For Flow provisioning, the SwitchConnectionDistinguisher is set to null so
-       // the request can be routed through any connection to the switch
-
-       SwitchConnectionDistinguisher cookie = null ;
+    public Future<RpcResult<AddFlowOutput>> addFlow(final AddFlowInput input) {
+        LOG.debug("Calling the FlowMod RPC method on MessageDispatchService");
+        // use primary connection
+        SwitchConnectionDistinguisher cookie = null;
 
-       LOG.debug("Calling the FlowMod RPC method on MessageDispatchService");
-               Future<RpcResult<UpdateFlowOutput>> resultFromOFLib = messageService.flowMod(ofFlowModInput, cookie) ;
+        OFRpcTask<AddFlowInput, RpcResult<UpdateFlowOutput>> task =
+                OFRpcTaskFactory.createAddFlowTask(rpcTaskContext, input, cookie);
+        ListenableFuture<RpcResult<UpdateFlowOutput>> result = task.submit();
 
-               RpcResult<UpdateFlowOutput> rpcResultFromOFLib = null ;
+        return Futures.transform(result, OFRpcFutureResultTransformFactory.createForAddFlowOutput());
+    }
 
-       try {
-               rpcResultFromOFLib = resultFromOFLib.get();
-       } catch( Exception ex ) {
-               LOG.error( " Error while getting result for AddFlow RPC" + ex.getMessage());
-       }
 
-       UpdateFlowOutput updateFlowOutput = rpcResultFromOFLib.getResult() ;
+    @Override
+    public Future<RpcResult<AddGroupOutput>> addGroup(final AddGroupInput input) {
+        LOG.debug("Calling the GroupMod RPC method on MessageDispatchService");
 
-       AddFlowOutputBuilder addFlowOutput = new AddFlowOutputBuilder() ;
-       addFlowOutput.setTransactionId(updateFlowOutput.getTransactionId()) ;
-       AddFlowOutput result = addFlowOutput.build();
+        // use primary connection
+        SwitchConnectionDistinguisher cookie = null;
 
-       Collection<RpcError> errors = rpcResultFromOFLib.getErrors() ;
-        RpcResult<AddFlowOutput> rpcResult = Rpcs.getRpcResult(true, result, errors);
+        OFRpcTask<AddGroupInput, RpcResult<UpdateGroupOutput>> task =
+                OFRpcTaskFactory.createAddGroupTask(rpcTaskContext, input, cookie);
+        ListenableFuture<RpcResult<UpdateGroupOutput>> result = task.submit();
 
-       LOG.debug("Returning the Add Flow RPC result to MD-SAL");
-        return Futures.immediateFuture(rpcResult);
+        return Futures.transform(result, OFRpcFutureResultTransformFactory.createForAddGroupOutput());
     }
 
     @Override
-    public Future<RpcResult<AddGroupOutput>> addGroup(AddGroupInput input) {
-       // Convert the AddGroupInput to GroupModInput
-        GroupModInput ofGroupModInput = GroupConvertor.toGroupModInput(input, version);
-
-
-       // For Flow provisioning, the SwitchConnectionDistinguisher is set to null so
-       // the request can be routed through any connection to the switch
-
-       SwitchConnectionDistinguisher cookie = null ;
-
-       LOG.debug("Calling the GroupMod RPC method on MessageDispatchService");
-       Future<RpcResult<UpdateGroupOutput>> resultFromOFLib = messageService.groupMod(ofGroupModInput, cookie) ;
-
-       RpcResult<UpdateGroupOutput> rpcResultFromOFLib = null ;
-
-       try {
-               rpcResultFromOFLib = resultFromOFLib.get();
-       } catch( Exception ex ) {
-               LOG.error( " Error while getting result for AddGroup RPC" + ex.getMessage());
-       }
+    public Future<RpcResult<AddMeterOutput>> addMeter(final AddMeterInput input) {
+        LOG.debug("Calling the MeterMod RPC method on MessageDispatchService");
 
-       UpdateGroupOutput updateGroupOutput = rpcResultFromOFLib.getResult() ;
+        // use primary connection
+        SwitchConnectionDistinguisher cookie = null;
 
-       AddGroupOutputBuilder addGroupOutput = new AddGroupOutputBuilder() ;
-       addGroupOutput.setTransactionId(updateGroupOutput.getTransactionId()) ;
-       AddGroupOutput result = addGroupOutput.build();
+        OFRpcTask<AddMeterInput, RpcResult<UpdateMeterOutput>> task =
+                OFRpcTaskFactory.createAddMeterTask(rpcTaskContext, input, cookie);
+        ListenableFuture<RpcResult<UpdateMeterOutput>> result = task.submit();
 
-       Collection<RpcError> errors = rpcResultFromOFLib.getErrors() ;
-        RpcResult<AddGroupOutput> rpcResult = Rpcs.getRpcResult(true, result, errors);
-
-        LOG.debug("Returning the Add Group RPC result to MD-SAL");
-        return Futures.immediateFuture(rpcResult);
+        return Futures.transform(result, OFRpcFutureResultTransformFactory.createForAddMeterOutput());
     }
 
     @Override
-    public Future<RpcResult<AddMeterOutput>> addMeter(AddMeterInput input) {
-       // Convert the AddMeterInput to MeterModInput
-        MeterModInput ofMeterModInput = MeterConvertor.toMeterModInput(input, version);
-
-
-       // For Meter provisioning, the SwitchConnectionDistinguisher is set to null so
-       // the request can be routed through any connection to the switch
-
-       SwitchConnectionDistinguisher cookie = null ;
-
-       LOG.debug("Calling the MeterMod RPC method on MessageDispatchService");
-       Future<RpcResult<UpdateMeterOutput>> resultFromOFLib = messageService.meterMod(ofMeterModInput, cookie) ;
-
-       RpcResult<UpdateMeterOutput> rpcResultFromOFLib = null ;
-
-       try {
-               rpcResultFromOFLib = resultFromOFLib.get();
-       } catch( Exception ex ) {
-               LOG.error( " Error while getting result for AddMeter RPC" + ex.getMessage());
-       }
-
-       UpdateMeterOutput updateMeterOutput = rpcResultFromOFLib.getResult() ;
+    public Future<RpcResult<RemoveFlowOutput>> removeFlow(final RemoveFlowInput input) {
+        LOG.debug("Calling the removeFlow RPC method on MessageDispatchService");
 
-       AddMeterOutputBuilder addMeterOutput = new AddMeterOutputBuilder() ;
-       addMeterOutput.setTransactionId(updateMeterOutput.getTransactionId()) ;
-       AddMeterOutput result = addMeterOutput.build();
+        // use primary connection
+        SwitchConnectionDistinguisher cookie = null;
+        OFRpcTask<RemoveFlowInput, RpcResult<UpdateFlowOutput>> task =
+                OFRpcTaskFactory.createRemoveFlowTask(rpcTaskContext, input, cookie);
+        ListenableFuture<RpcResult<UpdateFlowOutput>> result = task.submit();
 
-       Collection<RpcError> errors = rpcResultFromOFLib.getErrors() ;
-        RpcResult<AddMeterOutput> rpcResult = Rpcs.getRpcResult(true, result, errors);
-
-        LOG.debug("Returning the Add Meter RPC result to MD-SAL");
-        return Futures.immediateFuture(rpcResult);
+        return Futures.transform(result, OFRpcFutureResultTransformFactory.createForRemoveFlowOutput());
     }
 
     @Override
-    public Future<RpcResult<RemoveFlowOutput>> removeFlow(RemoveFlowInput input) {
-       // Convert the RemoveFlowInput to FlowModInput
-        FlowModInput ofFlowModInput = FlowConvertor.toFlowModInput(input, version);
-
-
-       // For Flow provisioning, the SwitchConnectionDistinguisher is set to null so
-       // the request can be routed through any connection to the switch
-
-       SwitchConnectionDistinguisher cookie = null ;
-
-       LOG.debug("Calling the FlowMod RPC method on MessageDispatchService");
-               Future<RpcResult<UpdateFlowOutput>> resultFromOFLib = messageService.flowMod(ofFlowModInput, cookie) ;
-
-               RpcResult<UpdateFlowOutput> rpcResultFromOFLib = null ;
-
-       try {
-               rpcResultFromOFLib = resultFromOFLib.get();
-       } catch( Exception ex ) {
-               LOG.error( " Error while getting result for remove Flow RPC" + ex.getMessage());
-       }
-
-       UpdateFlowOutput updateFlowOutput = rpcResultFromOFLib.getResult() ;
+    public Future<RpcResult<RemoveGroupOutput>> removeGroup(final RemoveGroupInput input) {
+        LOG.debug("Calling the Remove Group RPC method on MessageDispatchService");
 
-       RemoveFlowOutputBuilder removeFlowOutput = new RemoveFlowOutputBuilder() ;
-       removeFlowOutput.setTransactionId(updateFlowOutput.getTransactionId()) ;
-       RemoveFlowOutput result = removeFlowOutput.build();
+        SwitchConnectionDistinguisher cookie = null;
+        OFRpcTask<RemoveGroupInput, RpcResult<UpdateGroupOutput>> task =
+                OFRpcTaskFactory.createRemoveGroupTask(rpcTaskContext, input, cookie);
+        ListenableFuture<RpcResult<UpdateGroupOutput>> result = task.submit();
 
-       Collection<RpcError> errors = rpcResultFromOFLib.getErrors() ;
-        RpcResult<RemoveFlowOutput> rpcResult = Rpcs.getRpcResult(true, result, errors);
-
-       LOG.debug("Returning the Remove Flow RPC result to MD-SAL");
-        return Futures.immediateFuture(rpcResult);
+        return Futures.transform(result, OFRpcFutureResultTransformFactory.createForRemoveGroupOutput());
     }
 
     @Override
-    public Future<RpcResult<RemoveGroupOutput>> removeGroup(
-            RemoveGroupInput input) {
-       // Convert the RemoveGroupInput to GroupModInput
-        GroupModInput ofGroupModInput = GroupConvertor.toGroupModInput(input, version);
-
-
-       // For Flow provisioning, the SwitchConnectionDistinguisher is set to null so
-       // the request can be routed through any connection to the switch
+    public Future<RpcResult<RemoveMeterOutput>> removeMeter(final RemoveMeterInput input) {
+        LOG.debug("Calling the Remove MeterMod RPC method on MessageDispatchService");
 
-       SwitchConnectionDistinguisher cookie = null ;
+        SwitchConnectionDistinguisher cookie = null;
+        OFRpcTask<RemoveMeterInput, RpcResult<UpdateMeterOutput>> task =
+                OFRpcTaskFactory.createRemoveMeterTask(rpcTaskContext, input, cookie);
+        ListenableFuture<RpcResult<UpdateMeterOutput>> result = task.submit();
 
-       LOG.debug("Calling the GroupMod RPC method on MessageDispatchService");
-       Future<RpcResult<UpdateGroupOutput>> resultFromOFLib = messageService.groupMod(ofGroupModInput, cookie) ;
+        return Futures.transform(result, OFRpcFutureResultTransformFactory.createForRemoveMeterOutput());
+    }
 
-       RpcResult<UpdateGroupOutput> rpcResultFromOFLib = null ;
+    @Override
+    public Future<RpcResult<Void>> transmitPacket(final TransmitPacketInput input) {
+        LOG.debug("TransmitPacket - {}", input);
+        // Convert TransmitPacket to PacketOutInput
+        PacketOutInput message = PacketOutConvertor.toPacketOutInput(input, version, sessionContext.getNextXid(),
+                sessionContext.getFeatures().getDatapathId());
+
+        SwitchConnectionDistinguisher cookie = null;
+        ConnectionCookie connectionCookie = input.getConnectionCookie();
+        if (connectionCookie != null && connectionCookie.getValue() != null) {
+            cookie = new SwitchConnectionCookieOFImpl(connectionCookie.getValue());
+        }
 
-       try {
-               rpcResultFromOFLib = resultFromOFLib.get();
-       } catch( Exception ex ) {
-               LOG.error( " Error while getting result for RemoveGroup RPC" + ex.getMessage());
-       }
+        LOG.debug("Calling the transmitPacket RPC method");
+        return messageService.packetOut(message, cookie);
+    }
 
-       UpdateGroupOutput updateGroupOutput = rpcResultFromOFLib.getResult() ;
+    @Override
+    public Future<RpcResult<UpdateFlowOutput>> updateFlow(final UpdateFlowInput input) {
+        LOG.debug("Calling the updateFlow RPC method on MessageDispatchService");
 
-       RemoveGroupOutputBuilder removeGroupOutput = new RemoveGroupOutputBuilder() ;
-       removeGroupOutput.setTransactionId(updateGroupOutput.getTransactionId()) ;
-       RemoveGroupOutput result = removeGroupOutput.build();
+        // use primary connection
+        SwitchConnectionDistinguisher cookie = null;
 
-       Collection<RpcError> errors = rpcResultFromOFLib.getErrors() ;
-        RpcResult<RemoveGroupOutput> rpcResult = Rpcs.getRpcResult(true, result, errors);
+        OFRpcTask<UpdateFlowInput, RpcResult<UpdateFlowOutput>> task =
+                OFRpcTaskFactory.createUpdateFlowTask(rpcTaskContext, input, cookie);
+        ListenableFuture<RpcResult<UpdateFlowOutput>> result = task.submit();
 
-        LOG.debug("Returning the Remove Group RPC result to MD-SAL");
-        return Futures.immediateFuture(rpcResult);
+        return result;
     }
 
     @Override
-    public Future<RpcResult<RemoveMeterOutput>> removeMeter(
-            RemoveMeterInput input) {
-       // Convert the RemoveMeterInput to MeterModInput
-        MeterModInput ofMeterModInput = MeterConvertor.toMeterModInput(input, version);
-
+    public Future<RpcResult<UpdateGroupOutput>> updateGroup(final UpdateGroupInput input) {
+        LOG.debug("Calling the update Group Mod RPC method on MessageDispatchService");
 
-       // For Meter provisioning, the SwitchConnectionDistinguisher is set to null so
-       // the request can be routed through any connection to the switch
+        // use primary connection
+        SwitchConnectionDistinguisher cookie = null;
 
-       SwitchConnectionDistinguisher cookie = null ;
+        OFRpcTask<UpdateGroupInput, RpcResult<UpdateGroupOutput>> task =
+                OFRpcTaskFactory.createUpdateGroupTask(rpcTaskContext, input, cookie);
+        ListenableFuture<RpcResult<UpdateGroupOutput>> result = task.submit();
 
-       LOG.debug("Calling the MeterMod RPC method on MessageDispatchService");
-       Future<RpcResult<UpdateMeterOutput>> resultFromOFLib = messageService.meterMod(ofMeterModInput, cookie) ;
-
-       RpcResult<UpdateMeterOutput> rpcResultFromOFLib = null ;
-
-       try {
-               rpcResultFromOFLib = resultFromOFLib.get();
-       } catch( Exception ex ) {
-               LOG.error( " Error while getting result for RemoveMeter RPC" + ex.getMessage());
-       }
+        return result;
+    }
 
-       UpdateMeterOutput updatemeterOutput = rpcResultFromOFLib.getResult() ;
+    @Override
+    public Future<RpcResult<UpdateMeterOutput>> updateMeter(final UpdateMeterInput input) {
+        LOG.debug("Calling the MeterMod RPC method on MessageDispatchService");
 
-       RemoveMeterOutputBuilder removeMeterOutput = new RemoveMeterOutputBuilder() ;
-       removeMeterOutput.setTransactionId(updatemeterOutput.getTransactionId()) ;
-       RemoveMeterOutput result = removeMeterOutput.build();
+        // use primary connection
+        SwitchConnectionDistinguisher cookie = null;
 
-       Collection<RpcError> errors = rpcResultFromOFLib.getErrors() ;
-        RpcResult<RemoveMeterOutput> rpcResult = Rpcs.getRpcResult(true, result, errors);
+        OFRpcTask<UpdateMeterInput, RpcResult<UpdateMeterOutput>> task =
+                OFRpcTaskFactory.createUpdateMeterTask(rpcTaskContext, input, cookie);
+        ListenableFuture<RpcResult<UpdateMeterOutput>> result = task.submit();
 
-        LOG.debug("Returning the Remove Meter RPC result to MD-SAL");
-        return Futures.immediateFuture(rpcResult);
+        return result;
     }
 
     @Override
-    public Future<RpcResult<Void>> transmitPacket(TransmitPacketInput input) {
-        // TODO Auto-generated method stub
-        return null;
+    public NodeId getNodeId() {
+        return nodeId;
     }
 
-    private FlowModInputBuilder toFlowModInputBuilder(Flow source) {
-        FlowModInputBuilder target = new FlowModInputBuilder();
-        target.setCookie(source.getCookie());
-        target.setIdleTimeout(source.getIdleTimeout());
-        target.setHardTimeout(source.getHardTimeout());
-        target.setMatch(toMatch(source.getMatch()));
 
-        return target;
-    }
+    @Override
+    public Future<RpcResult<GetAllGroupStatisticsOutput>> getAllGroupStatistics(final GetAllGroupStatisticsInput input) {
+        // use primary connection
+        LOG.debug("Calling the getAllGroupStatistics RPC method on MessageDispatchService");
+        SwitchConnectionDistinguisher cookie = null;
 
-    private Match toMatch(
-            org.opendaylight.yang.gen.v1.urn.opendaylight.flow.types.rev131026.flow.Match match) {
-        MatchBuilder target = new MatchBuilder();
+        OFRpcTask<GetAllGroupStatisticsInput, RpcResult<GetAllGroupStatisticsOutput>> task =
+                OFRpcTaskFactory.createGetAllGroupStatisticsTask(rpcTaskContext, input, cookie);
+        ListenableFuture<RpcResult<GetAllGroupStatisticsOutput>> result = task.submit();
 
-        target.setMatchEntries(toMatchEntries(match));
+        return result;
 
-        return null;
     }
 
-    private List<MatchEntries> toMatchEntries(
-            org.opendaylight.yang.gen.v1.urn.opendaylight.flow.types.rev131026.flow.Match match) {
-        List<MatchEntries> entries = new ArrayList<>();
+    @Override
+    public Future<RpcResult<GetGroupDescriptionOutput>> getGroupDescription(final GetGroupDescriptionInput input) {
+        LOG.debug("Calling the getGroupDescription RPC method on MessageDispatchService");
 
-        return null;
+        OFRpcTask<GetGroupDescriptionInput, RpcResult<GetGroupDescriptionOutput>> task =
+                OFRpcTaskFactory.createGetGroupDescriptionTask(rpcTaskContext, input, null);
+        return task.submit();
     }
 
     @Override
-    public Future<RpcResult<UpdateFlowOutput>> updateFlow(UpdateFlowInput input) {
-       // Convert the UpdateFlowInput to FlowModInput
-        FlowModInput ofFlowModInput = FlowConvertor.toFlowModInput(input.getUpdatedFlow(), version);
-
-       // Call the RPC method on MessageDispatchService
-
-       // For Flow provisioning, the SwitchConnectionDistinguisher is set to null so
-       // the request can be routed through any connection to the switch
-
-       SwitchConnectionDistinguisher cookie = null ;
-
-       LOG.debug("Calling the FlowMod RPC method on MessageDispatchService");
-               Future<RpcResult<UpdateFlowOutput>> resultFromOFLib = messageService.flowMod(ofFlowModInput, cookie) ;
-
-               RpcResult<UpdateFlowOutput> rpcResultFromOFLib = null ;
-
-       try {
-               rpcResultFromOFLib = resultFromOFLib.get();
-       } catch( Exception ex ) {
-               LOG.error( " Error while getting result for UpdateFlow RPC" + ex.getMessage());
-       }
-
-       UpdateFlowOutput updateFlowOutputOFLib = rpcResultFromOFLib.getResult() ;
+    public Future<RpcResult<GetGroupFeaturesOutput>> getGroupFeatures(final GetGroupFeaturesInput input) {
+        LOG.debug("Calling the getGroupFeatures RPC method on MessageDispatchService");
 
-       UpdateFlowOutputBuilder updateFlowOutput = new UpdateFlowOutputBuilder() ;
-       updateFlowOutput.setTransactionId(updateFlowOutputOFLib.getTransactionId()) ;
-       UpdateFlowOutput result = updateFlowOutput.build();
-
-       Collection<RpcError> errors = rpcResultFromOFLib.getErrors() ;
-        RpcResult<UpdateFlowOutput> rpcResult = Rpcs.getRpcResult(true, result, errors);
-
-       LOG.debug("Returning the Update Flow RPC result to MD-SAL");
-        return Futures.immediateFuture(rpcResult);
+        OFRpcTask<GetGroupFeaturesInput, RpcResult<GetGroupFeaturesOutput>> task =
+                OFRpcTaskFactory.createGetGroupFeaturesTask(rpcTaskContext, input, null);
+        return task.submit();
     }
 
     @Override
-    public Future<RpcResult<UpdateGroupOutput>> updateGroup(
-            UpdateGroupInput input) {
-       // Convert the UpdateGroupInput to GroupModInput
-        GroupModInput ofGroupModInput = GroupConvertor.toGroupModInput(input.getUpdatedGroup(), version);
-
-
-       // For Flow provisioning, the SwitchConnectionDistinguisher is set to null so
-       // the request can be routed through any connection to the switch
-
-       SwitchConnectionDistinguisher cookie = null ;
-
-       LOG.debug("Calling the GroupMod RPC method on MessageDispatchService");
-       Future<RpcResult<UpdateGroupOutput>> resultFromOFLib = messageService.groupMod(ofGroupModInput, cookie) ;
-
-       RpcResult<UpdateGroupOutput> rpcResultFromOFLib = null ;
-
-       try {
-               rpcResultFromOFLib = resultFromOFLib.get();
-       } catch( Exception ex ) {
-               LOG.error( " Error while getting result for updateGroup RPC" + ex.getMessage());
-       }
+    public Future<RpcResult<GetGroupStatisticsOutput>> getGroupStatistics(final GetGroupStatisticsInput input) {
+        LOG.debug("Calling the getGroupStatistics RPC method on MessageDispatchService");
 
-       UpdateGroupOutput updateGroupOutputOFLib = rpcResultFromOFLib.getResult() ;
-
-       UpdateGroupOutputBuilder updateGroupOutput = new UpdateGroupOutputBuilder() ;
-       updateGroupOutput.setTransactionId(updateGroupOutputOFLib.getTransactionId()) ;
-       UpdateGroupOutput result = updateGroupOutput.build();
-
-       Collection<RpcError> errors = rpcResultFromOFLib.getErrors() ;
-        RpcResult<UpdateGroupOutput> rpcResult = Rpcs.getRpcResult(true, result, errors);
-
-        LOG.debug("Returning the Update Group RPC result to MD-SAL");
-        return Futures.immediateFuture(rpcResult);
+        OFRpcTask<GetGroupStatisticsInput, RpcResult<GetGroupStatisticsOutput>> task =
+                OFRpcTaskFactory.createGetGroupStatisticsTask(rpcTaskContext, input, null);
+        return task.submit();
     }
 
     @Override
-    public Future<RpcResult<UpdateMeterOutput>> updateMeter(
-            UpdateMeterInput input) {
-       // Convert the UpdateMeterInput to MeterModInput
-        MeterModInput ofMeterModInput = MeterConvertor.toMeterModInput(input.getUpdatedMeter(), version);
-
-
-       // For Meter provisioning, the SwitchConnectionDistinguisher is set to null so
-       // the request can be routed through any connection to the switch
-
-       SwitchConnectionDistinguisher cookie = null ;
-
-       LOG.debug("Calling the MeterMod RPC method on MessageDispatchService");
-       Future<RpcResult<UpdateMeterOutput>> resultFromOFLib = messageService.meterMod(ofMeterModInput, cookie) ;
-
-       RpcResult<UpdateMeterOutput> rpcResultFromOFLib = null ;
-
-       try {
-               rpcResultFromOFLib = resultFromOFLib.get();
-       } catch( Exception ex ) {
-               LOG.error( " Error while getting result for UpdateMeter RPC" + ex.getMessage());
-       }
-
-       UpdateMeterOutput updateMeterOutputFromOFLib = rpcResultFromOFLib.getResult() ;
-
-       UpdateMeterOutputBuilder updateMeterOutput = new UpdateMeterOutputBuilder() ;
-       updateMeterOutput.setTransactionId(updateMeterOutputFromOFLib.getTransactionId()) ;
-       UpdateMeterOutput result = updateMeterOutput.build();
-
-       Collection<RpcError> errors = rpcResultFromOFLib.getErrors() ;
-        RpcResult<UpdateMeterOutput> rpcResult = Rpcs.getRpcResult(true, result, errors);
+    public Future<RpcResult<GetAllMeterConfigStatisticsOutput>> getAllMeterConfigStatistics(
+            final GetAllMeterConfigStatisticsInput input) {
+        LOG.debug("Calling the getAllMeterConfigStatistics RPC method on MessageDispatchService");
 
-        LOG.debug("Returning the Update Meter RPC result to MD-SAL");
-        return Futures.immediateFuture(rpcResult);
+        OFRpcTask<GetAllMeterConfigStatisticsInput, RpcResult<GetAllMeterConfigStatisticsOutput>> task =
+                OFRpcTaskFactory.createGetAllMeterConfigStatisticsTask(rpcTaskContext, input, null);
+        return task.submit();
     }
 
     @Override
-    public NodeId getNodeId() {
-        return nodeId;
+    public Future<RpcResult<GetAllMeterStatisticsOutput>> getAllMeterStatistics(
+            final GetAllMeterStatisticsInput input) {
+        LOG.debug("Calling the getAllMeterStatistics RPC method on MessageDispatchService");
+
+        OFRpcTask<GetAllMeterStatisticsInput, RpcResult<GetAllMeterStatisticsOutput>> task =
+                OFRpcTaskFactory.createGetAllMeterStatisticsTask(rpcTaskContext, input, null);
+        return task.submit();
     }
 
-    /*
-     * Methods for requesting statistics from switch
-     */
     @Override
-    public Future<RpcResult<GetAllGroupStatisticsOutput>> getAllGroupStatistics(GetAllGroupStatisticsInput input) {
-
-        //Generate xid to associate it with the request
-        Long xid = this.getSessionContext().getNextXid();
-
-        LOG.debug("Prepare statistics request for all the groups - Transaction id - {}",xid);
-
-        // Create multipart request header
-        MultipartRequestInputBuilder mprInput = new MultipartRequestInputBuilder();
-        mprInput.setType(MultipartType.OFPMPGROUP);
-        mprInput.setVersion(version);
-        mprInput.setXid(xid);
-        mprInput.setFlags(new MultipartRequestFlags(false));
-
-        // Create multipart request body for fetch all the group stats
-        MultipartRequestGroupBuilder mprGroupBuild = new MultipartRequestGroupBuilder();
-        mprGroupBuild.setGroupId(BinContent.intToUnsignedLong(Group.OFPGALL.getIntValue()));
-
-        //Set request body to main multipart request
-        mprInput.setMultipartRequestBody(mprGroupBuild.build());
-
-        //Send the request, no cookies associated, use any connection
-        LOG.debug("Send group statistics request to the switch :{}",mprGroupBuild);
-        this.messageService.multipartRequest(mprInput.build(), null);
-
-        // Prepare rpc return output. Set xid and send it back.
-        LOG.debug("Return results and transaction id back to caller");
-        GetAllGroupStatisticsOutputBuilder output = new GetAllGroupStatisticsOutputBuilder();
-        output.setTransactionId(generateTransactionId(xid));
-        output.setGroupStats(null);
-
-        Collection<RpcError> errors = Collections.emptyList();
-        RpcResult<GetAllGroupStatisticsOutput> rpcResult = Rpcs.getRpcResult(true, output.build(), errors);
-        return Futures.immediateFuture(rpcResult);
+    public Future<RpcResult<GetMeterFeaturesOutput>> getMeterFeatures(
+            final GetMeterFeaturesInput input) {
+        LOG.debug("Calling the getMeterFeatures RPC method on MessageDispatchService");
 
+        OFRpcTask<GetMeterFeaturesInput, RpcResult<GetMeterFeaturesOutput>> task =
+                OFRpcTaskFactory.createGetMeterFeaturesTask(rpcTaskContext, input, null);
+        return task.submit();
     }
 
     @Override
-    public Future<RpcResult<GetGroupDescriptionOutput>> getGroupDescription(GetGroupDescriptionInput input) {
-
-        //Generate xid to associate it with the request
-        Long xid = this.getSessionContext().getNextXid();
-
-        LOG.debug("Prepare group description statistics request - Transaction id - {}",xid);
-
-        // Create multipart request header
-        MultipartRequestInputBuilder mprInput = new MultipartRequestInputBuilder();
-        mprInput.setType(MultipartType.OFPMPGROUPDESC);
-        mprInput.setVersion(version);
-        mprInput.setXid(xid);
-        mprInput.setFlags(new MultipartRequestFlags(false));
-
-        // Create multipart request body for fetch all the group description stats
-        MultipartRequestGroupDescBuilder mprGroupDescBuild = new MultipartRequestGroupDescBuilder();
-
-        //Set request body to main multipart request
-        mprInput.setMultipartRequestBody(mprGroupDescBuild.build());
-
-        //Send the request, no cookies associated, use any connection
-        LOG.debug("Send group desciption statistics request to switch : {}",mprGroupDescBuild);
-        this.messageService.multipartRequest(mprInput.build(), null);
-
-        // Prepare rpc return output. Set xid and send it back.
-        LOG.debug("Return results and transaction id back to caller");
-        GetGroupDescriptionOutputBuilder output = new GetGroupDescriptionOutputBuilder();
-        output.setTransactionId(generateTransactionId(xid));
-        output.setGroupDescStats(null);
-
-        Collection<RpcError> errors = Collections.emptyList();
-        RpcResult<GetGroupDescriptionOutput> rpcResult = Rpcs.getRpcResult(true, output.build(), errors);
-        return Futures.immediateFuture(rpcResult);
+    public Future<RpcResult<GetMeterStatisticsOutput>> getMeterStatistics(
+            final GetMeterStatisticsInput input) {
+        LOG.debug("Calling the getMeterStatistics RPC method on MessageDispatchService");
 
+        OFRpcTask<GetMeterStatisticsInput, RpcResult<GetMeterStatisticsOutput>> task =
+                OFRpcTaskFactory.createGetMeterStatisticsTask(rpcTaskContext, input, null);
+        return task.submit();
     }
 
     @Override
-    public Future<RpcResult<GetGroupFeaturesOutput>> getGroupFeatures(GetGroupFeaturesInput input) {
-
-        //Generate xid to associate it with the request
-        Long xid = this.getSessionContext().getNextXid();
+    public Future<RpcResult<GetAllNodeConnectorsStatisticsOutput>> getAllNodeConnectorsStatistics(
+            final GetAllNodeConnectorsStatisticsInput input) {
+        LOG.debug("Calling the getAllNodeConnectorsStatistics RPC method on MessageDispatchService");
 
-        LOG.debug("Prepare group features statistics request - Transaction id - {}",xid);
-
-        // Create multipart request header
-        MultipartRequestInputBuilder mprInput = new MultipartRequestInputBuilder();
-        mprInput.setType(MultipartType.OFPMPGROUPFEATURES);
-        mprInput.setVersion(version);
-        mprInput.setXid(xid);
-        mprInput.setFlags(new MultipartRequestFlags(false));
-
-        // Create multipart request body for fetch all the group description stats
-        MultipartRequestGroupFeaturesBuilder mprGroupFeaturesBuild = new MultipartRequestGroupFeaturesBuilder();
-
-        //Set request body to main multipart request
-        mprInput.setMultipartRequestBody(mprGroupFeaturesBuild.build());
-
-        //Send the request, no cookies associated, use any connection
-        LOG.debug("Send group features statistics request :{}",mprGroupFeaturesBuild);
-        this.messageService.multipartRequest(mprInput.build(), null);
-
-        // Prepare rpc return output. Set xid and send it back.
-        LOG.debug("Return results and transaction id back to caller");
-        GetGroupFeaturesOutputBuilder output = new GetGroupFeaturesOutputBuilder();
-        output.setTransactionId(generateTransactionId(xid));
-
-        Collection<RpcError> errors = Collections.emptyList();
-        RpcResult<GetGroupFeaturesOutput> rpcResult = Rpcs.getRpcResult(true, output.build(), errors);
-        return Futures.immediateFuture(rpcResult);
+        OFRpcTask<GetAllNodeConnectorsStatisticsInput, RpcResult<GetAllNodeConnectorsStatisticsOutput>> task =
+                OFRpcTaskFactory.createGetAllNodeConnectorsStatisticsTask(rpcTaskContext, input, null);
+        return task.submit();
     }
 
     @Override
-    public Future<RpcResult<GetGroupStatisticsOutput>> getGroupStatistics(GetGroupStatisticsInput input) {
-
-        //Generate xid to associate it with the request
-        Long xid = this.getSessionContext().getNextXid();
-
-        LOG.debug("Prepare statistics request for node {} group ({}) - Transaction id - {}",input.getNode(),input.getGroupId(),xid);
-
-        // Create multipart request header
-        MultipartRequestInputBuilder mprInput = new MultipartRequestInputBuilder();
-        mprInput.setType(MultipartType.OFPMPGROUP);
-        mprInput.setVersion(version);
-        mprInput.setXid(xid);
-        mprInput.setFlags(new MultipartRequestFlags(false));
+    public Future<RpcResult<GetNodeConnectorStatisticsOutput>> getNodeConnectorStatistics(
+            final GetNodeConnectorStatisticsInput input) {
+        LOG.debug("Calling the getNodeConnectorStatistics RPC method on MessageDispatchService");
 
-        // Create multipart request body for fetch all the group stats
-        MultipartRequestGroupBuilder mprGroupBuild = new MultipartRequestGroupBuilder();
-        mprGroupBuild.setGroupId(input.getGroupId().getValue());
+        OFRpcTask<GetNodeConnectorStatisticsInput, RpcResult<GetNodeConnectorStatisticsOutput>> task =
+                OFRpcTaskFactory.createGetNodeConnectorStatisticsTask(rpcTaskContext, input, null);
+        return task.submit();
+    }
 
-        //Set request body to main multipart request
-        mprInput.setMultipartRequestBody(mprGroupBuild.build());
+    @Override
+    public Future<RpcResult<UpdatePortOutput>> updatePort(final UpdatePortInput input) {
+        LOG.debug("Calling the updatePort RPC method on MessageDispatchService");
 
-        //Send the request, no cookies associated, use any connection
-        LOG.debug("Send group statistics request :{}",mprGroupBuild);
-        this.messageService.multipartRequest(mprInput.build(), null);
+        OFRpcTask<UpdatePortInput, RpcResult<UpdatePortOutput>> task =
+                OFRpcTaskFactory.createUpdatePortTask(rpcTaskContext, input, null);
+        return task.submit();
+    }
 
-        // Prepare rpc return output. Set xid and send it back.
-        LOG.debug("Return results and transaction id back to caller");
-        GetGroupStatisticsOutputBuilder output = new GetGroupStatisticsOutputBuilder();
-        output.setTransactionId(generateTransactionId(xid));
-        output.setGroupStats(null);
+    @Override
+    public Future<RpcResult<UpdateTableOutput>> updateTable(final UpdateTableInput input) {
+        LOG.debug("Calling the updateTable RPC method on MessageDispatchService");
 
-        Collection<RpcError> errors = Collections.emptyList();
-        RpcResult<GetGroupStatisticsOutput> rpcResult = Rpcs.getRpcResult(true, output.build(), errors);
-        return Futures.immediateFuture(rpcResult);
+        OFRpcTask<UpdateTableInput, RpcResult<UpdateTableOutput>> task =
+                OFRpcTaskFactory.createUpdateTableTask(rpcTaskContext, input, null);
+        return task.submit();
     }
 
     @Override
-    public Future<RpcResult<GetAllMeterConfigStatisticsOutput>> getAllMeterConfigStatistics(
-            GetAllMeterConfigStatisticsInput input) {
-
-        //Generate xid to associate it with the request
-        Long xid = this.getSessionContext().getNextXid();
+    public Future<RpcResult<GetAllFlowStatisticsFromFlowTableOutput>> getAllFlowStatisticsFromFlowTable(
+            final GetAllFlowStatisticsFromFlowTableInput input) {
+        LOG.debug("Calling the getAllFlowStatisticsFromFlowTable RPC method on MessageDispatchService");
 
-        LOG.debug("Prepare config request for all the meters - Transaction id - {}",xid);
+        OFRpcTask<GetAllFlowStatisticsFromFlowTableInput, RpcResult<GetAllFlowStatisticsFromFlowTableOutput>> task =
+                OFRpcTaskFactory.createGetAllFlowStatisticsFromFlowTableTask(rpcTaskContext, input, null);
+        return task.submit();
+    }
 
-        // Create multipart request header
-        MultipartRequestInputBuilder mprInput = new MultipartRequestInputBuilder();
-        mprInput.setType(MultipartType.OFPMPMETERCONFIG);
-        mprInput.setVersion(version);
-        mprInput.setXid(xid);
-        mprInput.setFlags(new MultipartRequestFlags(false));
+    @Override
+    public Future<RpcResult<GetAllFlowsStatisticsFromAllFlowTablesOutput>> getAllFlowsStatisticsFromAllFlowTables(
+            final GetAllFlowsStatisticsFromAllFlowTablesInput input) {
+        LOG.debug("Calling the getAllFlowsStatisticsFromAllFlowTables RPC method on MessageDispatchService");
 
-        // Create multipart request body for fetch all the meter stats
-        MultipartRequestMeterConfigBuilder mprMeterConfigBuild = new MultipartRequestMeterConfigBuilder();
-        mprMeterConfigBuild.setMeterId(BinContent.intToUnsignedLong(Meter.OFPMALL.getIntValue()));
+        OFRpcTask<GetAllFlowsStatisticsFromAllFlowTablesInput, RpcResult<GetAllFlowsStatisticsFromAllFlowTablesOutput>> task =
+                OFRpcTaskFactory.createGetAllFlowsStatisticsFromAllFlowTablesTask(rpcTaskContext, input, null);
+        return task.submit();
+    }
 
-        //Set request body to main multipart request
-        mprInput.setMultipartRequestBody(mprMeterConfigBuild.build());
+    @Override
+    public Future<RpcResult<GetFlowStatisticsFromFlowTableOutput>> getFlowStatisticsFromFlowTable(
+            final GetFlowStatisticsFromFlowTableInput input) {
+        LOG.debug("Calling the getFlowStatisticsFromFlowTable RPC method on MessageDispatchService");
 
-        //Send the request, no cookies associated, use any connection
-        LOG.debug("Send meter statistics request :{}",mprMeterConfigBuild);
-        this.messageService.multipartRequest(mprInput.build(), null);
+        OFRpcTask<GetFlowStatisticsFromFlowTableInput, RpcResult<GetFlowStatisticsFromFlowTableOutput>> task =
+                OFRpcTaskFactory.createGetFlowStatisticsFromFlowTableTask(rpcTaskContext, input, null);
+        return task.submit();
+    }
 
-        // Prepare rpc return output. Set xid and send it back.
-        LOG.debug("Return results and transaction id back to caller");
-        GetAllMeterConfigStatisticsOutputBuilder output = new GetAllMeterConfigStatisticsOutputBuilder();
-        output.setTransactionId(generateTransactionId(xid));
-        output.setMeterConfigStats(null);
+    @Override
+    public Future<RpcResult<GetAggregateFlowStatisticsFromFlowTableForAllFlowsOutput>> getAggregateFlowStatisticsFromFlowTableForAllFlows(
+            final GetAggregateFlowStatisticsFromFlowTableForAllFlowsInput input) {
+        LOG.debug("Calling the getAggregateFlowStatisticsFromFlowTableForAllFlows RPC method on MessageDispatchService");
 
-        Collection<RpcError> errors = Collections.emptyList();
-        RpcResult<GetAllMeterConfigStatisticsOutput> rpcResult = Rpcs.getRpcResult(true, output.build(), errors);
-        return Futures.immediateFuture(rpcResult);
+        OFRpcTask<GetAggregateFlowStatisticsFromFlowTableForAllFlowsInput, RpcResult<GetAggregateFlowStatisticsFromFlowTableForAllFlowsOutput>> task =
+                OFRpcTaskFactory.createGetAggregateFlowStatisticsFromFlowTableForAllFlowsTask(rpcTaskContext, input, null);
+        return task.submit();
     }
 
     @Override
-    public Future<RpcResult<GetAllMeterStatisticsOutput>> getAllMeterStatistics(GetAllMeterStatisticsInput input) {
+    public Future<RpcResult<GetAggregateFlowStatisticsFromFlowTableForGivenMatchOutput>> getAggregateFlowStatisticsFromFlowTableForGivenMatch(
+            final GetAggregateFlowStatisticsFromFlowTableForGivenMatchInput input) {
+        LOG.debug("Calling the getAggregateFlowStatisticsFromFlowTableForGivenMatch RPC method on MessageDispatchService");
 
-        //Generate xid to associate it with the request
-        Long xid = this.getSessionContext().getNextXid();
-
-        LOG.debug("Prepare statistics request for all the meters - Transaction id - {}",xid);
+        OFRpcTask<GetAggregateFlowStatisticsFromFlowTableForGivenMatchInput, RpcResult<GetAggregateFlowStatisticsFromFlowTableForGivenMatchOutput>> task =
+                OFRpcTaskFactory.createGetAggregateFlowStatisticsFromFlowTableForGivenMatchTask(rpcTaskContext, input, null);
+        return task.submit();
+    }
 
-        // Create multipart request header
-        MultipartRequestInputBuilder mprInput = new MultipartRequestInputBuilder();
-        mprInput.setType(MultipartType.OFPMPMETER);
-        mprInput.setVersion(version);
-        mprInput.setXid(xid);
-        mprInput.setFlags(new MultipartRequestFlags(false));
+    @Override
+    public Future<RpcResult<GetFlowTablesStatisticsOutput>> getFlowTablesStatistics(
+            final GetFlowTablesStatisticsInput input) {
+        LOG.debug("Calling the getFlowTablesStatistics RPC method on MessageDispatchService");
 
-        // Create multipart request body for fetch all the meter stats
-        MultipartRequestMeterBuilder mprMeterBuild = new MultipartRequestMeterBuilder();
-        mprMeterBuild.setMeterId(BinContent.intToUnsignedLong(Meter.OFPMALL.getIntValue()));
+        OFRpcTask<GetFlowTablesStatisticsInput, RpcResult<GetFlowTablesStatisticsOutput>> task =
+                OFRpcTaskFactory.createGetFlowTablesStatisticsTask(rpcTaskContext, input, null);
+        return task.submit();
+    }
 
-        //Set request body to main multipart request
-        mprInput.setMultipartRequestBody(mprMeterBuild.build());
+    @Override
+    public Future<RpcResult<GetAllQueuesStatisticsFromAllPortsOutput>> getAllQueuesStatisticsFromAllPorts(
+            final GetAllQueuesStatisticsFromAllPortsInput input) {
+        LOG.debug("Calling the getAllQueuesStatisticsFromAllPorts RPC method on MessageDispatchService");
 
-        //Send the request, no cookies associated, use any connection
-        LOG.debug("Send meter statistics request :{}",mprMeterBuild);
-        this.messageService.multipartRequest(mprInput.build(), null);
+        OFRpcTask<GetAllQueuesStatisticsFromAllPortsInput, RpcResult<GetAllQueuesStatisticsFromAllPortsOutput>> task =
+                OFRpcTaskFactory.createGetAllQueuesStatisticsFromAllPortsTask(rpcTaskContext, input, null);
+        return task.submit();
+    }
 
-        // Prepare rpc return output. Set xid and send it back.
-        LOG.debug("Return results and transaction id back to caller");
-        GetAllMeterStatisticsOutputBuilder output = new GetAllMeterStatisticsOutputBuilder();
-        output.setTransactionId(generateTransactionId(xid));
-        output.setMeterStats(null);
+    @Override
+    public Future<RpcResult<GetAllQueuesStatisticsFromGivenPortOutput>> getAllQueuesStatisticsFromGivenPort(
+            final GetAllQueuesStatisticsFromGivenPortInput input) {
+        LOG.debug("Calling the getAllQueuesStatisticsFromGivenPort RPC method on MessageDispatchService");
 
-        Collection<RpcError> errors = Collections.emptyList();
-        RpcResult<GetAllMeterStatisticsOutput> rpcResult = Rpcs.getRpcResult(true, output.build(), errors);
-        return Futures.immediateFuture(rpcResult);
+        OFRpcTask<GetAllQueuesStatisticsFromGivenPortInput, RpcResult<GetAllQueuesStatisticsFromGivenPortOutput>> task =
+                OFRpcTaskFactory.createGetAllQueuesStatisticsFromGivenPortTask(rpcTaskContext, input, null);
+        return task.submit();
     }
 
     @Override
-    public Future<RpcResult<GetMeterFeaturesOutput>> getMeterFeatures(GetMeterFeaturesInput input) {
-
-        //Generate xid to associate it with the request
-        Long xid = this.getSessionContext().getNextXid();
+    public Future<RpcResult<GetQueueStatisticsFromGivenPortOutput>> getQueueStatisticsFromGivenPort(
+            final GetQueueStatisticsFromGivenPortInput input) {
+        LOG.debug("Calling the getQueueStatisticsFromGivenPort RPC method on MessageDispatchService");
 
-        LOG.debug("Prepare features statistics request for all the meters - Transaction id - {}",xid);
+        OFRpcTask<GetQueueStatisticsFromGivenPortInput, RpcResult<GetQueueStatisticsFromGivenPortOutput>> task =
+                OFRpcTaskFactory.createGetQueueStatisticsFromGivenPortTask(rpcTaskContext, input, null);
+        return task.submit();
+    }
 
-        // Create multipart request header
-        MultipartRequestInputBuilder mprInput = new MultipartRequestInputBuilder();
-        mprInput.setType(MultipartType.OFPMPMETERFEATURES);
-        mprInput.setVersion(version);
-        mprInput.setXid(xid);
-        mprInput.setFlags(new MultipartRequestFlags(false));
-
-        // Create multipart request body for fetch all the group description stats
-        MultipartRequestMeterFeaturesBuilder mprMeterFeaturesBuild = new MultipartRequestMeterFeaturesBuilder();
-
-        //Set request body to main multipart request
-        mprInput.setMultipartRequestBody(mprMeterFeaturesBuild.build());
-
-        //Send the request, no cookies associated, use any connection
-        LOG.debug("Send meter features statistics request :{}",mprMeterFeaturesBuild);
-        this.messageService.multipartRequest(mprInput.build(), null);
-
-        // Prepare rpc return output. Set xid and send it back.
-        LOG.debug("Return results and transaction id back to caller");
-        GetMeterFeaturesOutputBuilder output = new GetMeterFeaturesOutputBuilder();
-        output.setTransactionId(generateTransactionId(xid));
-
-        Collection<RpcError> errors = Collections.emptyList();
-        RpcResult<GetMeterFeaturesOutput> rpcResult = Rpcs.getRpcResult(true, output.build(), errors);
-        return Futures.immediateFuture(rpcResult);
-    }
-
-    @Override
-    public Future<RpcResult<GetMeterStatisticsOutput>> getMeterStatistics(GetMeterStatisticsInput input) {
-        //Generate xid to associate it with the request
-        Long xid = this.getSessionContext().getNextXid();
-
-        LOG.debug("Preprae statistics request for Meter ({}) - Transaction id - {}",input.getMeterId().getValue(),xid);
-
-        // Create multipart request header
-        MultipartRequestInputBuilder mprInput = new MultipartRequestInputBuilder();
-        mprInput.setType(MultipartType.OFPMPMETER);
-        mprInput.setVersion(version);
-        mprInput.setXid(xid);
-        mprInput.setFlags(new MultipartRequestFlags(false));
-
-        // Create multipart request body for fetch all the meter stats
-        MultipartRequestMeterBuilder mprMeterBuild = new MultipartRequestMeterBuilder();
-        //Select specific meter
-        mprMeterBuild.setMeterId(input.getMeterId().getValue());
-
-        //Set request body to main multipart request
-        mprInput.setMultipartRequestBody(mprMeterBuild.build());
-
-        //Send the request, no cookies associated, use any connection
-        LOG.debug("Send meter statistics request :{}",mprMeterBuild);
-        this.messageService.multipartRequest(mprInput.build(), null);
-
-        // Prepare rpc return output. Set xid and send it back.
-        LOG.debug("Return results and transaction id back to caller");
-        GetMeterStatisticsOutputBuilder output = new GetMeterStatisticsOutputBuilder();
-        output.setTransactionId(generateTransactionId(xid));
-        output.setMeterStats(null);
-
-        Collection<RpcError> errors = Collections.emptyList();
-        RpcResult<GetMeterStatisticsOutput> rpcResult = Rpcs.getRpcResult(true, output.build(), errors);
-        return Futures.immediateFuture(rpcResult);
-    }
-
-    private TransactionId generateTransactionId(Long xid){
-        String stringXid =xid.toString();
-        BigInteger bigIntXid = new BigInteger( stringXid );
-        return new TransactionId(bigIntXid);
-
-    }
-
-       @Override
-       public Future<RpcResult<GetPortOutput>> getPort() {
-               // TODO Auto-generated method stub
-               return null;
-       }
-
-       @Override
-       public Future<RpcResult<UpdatePortOutput>> updatePort(UpdatePortInput input) {
-               PortModInput ofPortModInput = null ;
-               RpcResult<UpdatePortOutput> rpcResultFromOFLib = null ;
-               
-                               
-               // For Flow provisioning, the SwitchConnectionDistinguisher is set to null so  
-       // the request can be routed through any connection to the switch
-       
-       SwitchConnectionDistinguisher cookie = null ;
-       
-               // NSF sends a list of port and the ModelDrivenSwitch will 
-       // send one port at a time towards the switch ( mutiple RPCs calls)
-               List<Port> inputPorts = input.getUpdatedPort().getPort().getPort() ;
-               
-               // Get the Xid. The same Xid has to be sent in all the RPCs
-               Long Xid = sessionContext.getNextXid();
-               
-               for( Port inputPort : inputPorts) {
-                  
-                       // Convert the UpdateGroupInput to GroupModInput 
-                               ofPortModInput = PortConvertor.toPortModInput(inputPort, version) ;
-                                                       
-                               // Insert the Xid ( transaction Id) before calling the RPC on the OFLibrary
-                       
-                       PortModInputBuilder mdInput = new PortModInputBuilder();
-                       mdInput.setXid(Xid);
-                       mdInput.setVersion(ofPortModInput.getVersion()) ;
-                       mdInput.setPortNo(ofPortModInput.getPortNo()) ;
-                       mdInput.setMaskV10(ofPortModInput.getMaskV10()) ;
-                       mdInput.setMask(ofPortModInput.getMask()) ;
-                       mdInput.setHwAddress(ofPortModInput.getHwAddress());
-                       mdInput.setConfigV10(ofPortModInput.getConfigV10()) ;
-                       mdInput.setConfig(ofPortModInput.getConfig()) ;
-                       mdInput.setAdvertiseV10(ofPortModInput.getAdvertiseV10()) ;
-                       mdInput.setAdvertise(ofPortModInput.getAdvertise()) ;
-                       
-                       LOG.debug("Calling the PortMod RPC method on MessageDispatchService");
-                       Future<RpcResult<UpdatePortOutput>> resultFromOFLib = messageService.portMod(ofPortModInput, cookie) ;
-                                       
-                       try { 
-                               rpcResultFromOFLib = resultFromOFLib.get();
-                       } catch( Exception ex ) {
-                               LOG.error( " Error while getting result for updatePort RPC" + ex.getMessage());
-                       }
-                       
-                       // The Future response value for all the RPCs except the last one is ignored
-                       
-               }
-                       
-                               //Extract the Xid only from the Future for the last RPC and
-                               // send it back to the NSF
-                       UpdatePortOutput updatePortOutputOFLib = rpcResultFromOFLib.getResult() ;
-                       
-                       UpdatePortOutputBuilder updatePortOutput = new UpdatePortOutputBuilder() ;
-                       updatePortOutput.setTransactionId(updatePortOutputOFLib.getTransactionId()) ;
-                       UpdatePortOutput result = updatePortOutput.build();
-                       
-                       Collection<RpcError> errors = rpcResultFromOFLib.getErrors() ;
-                       RpcResult<UpdatePortOutput> rpcResult = Rpcs.getRpcResult(true, result, errors); 
-                       
-                       LOG.debug("Returning the Update Group RPC result to MD-SAL");
-                       return Futures.immediateFuture(rpcResult);
-       
-       }
-       @Override
-       public Future<RpcResult<UpdateTableOutput>> updateTable(
-                       UpdateTableInput input) {
-
-               // Get the Xid. The same Xid has to be sent in all the Multipart requests
-        Long xid = this.getSessionContext().getNextXid();
-
-        LOG.debug("Prepare the Multipart Table Mod requests for Transaction Id {} ",xid);
-
-        // Create multipart request header
-        MultipartRequestInputBuilder mprInput = new MultipartRequestInputBuilder();
-        mprInput.setType(MultipartType.OFPMPTABLEFEATURES);
-        mprInput.setVersion((short)0x04);
-        mprInput.setXid(xid);
-
-        //Convert the list of all MD-SAL table feature object into OF library object
-        List<TableFeatures> ofTableFeatureList = TableFeaturesConvertor.toTableFeaturesRequest(input.getUpdatedTable()) ;
-        int totalNoOfTableFeatureEntry = ofTableFeatureList.size();
-
-        MultipartRequestTableFeaturesBuilder tableFeaturesRequest = new MultipartRequestTableFeaturesBuilder();
-
-         // Slice the multipart request based on the configuration parameter, which is the no. of TableFeatureList element
-        // to be put in one multipart message. Default is 5
-        // This parameter must be set based on switch's Buffer capacity
-
-        List<TableFeatures> tmpOfTableFeatureList = null ;
-        String tableFeatureListCount = System.getProperty( "of.tableFeaturesCountPerMultipart", "5") ;
-        int noOfEntriesInMPR = Integer.parseInt(tableFeatureListCount) ;
-
-        int index = 0 ;
-        while(totalNoOfTableFeatureEntry-index > 0 ) {
-               if( (totalNoOfTableFeatureEntry-index) > noOfEntriesInMPR ) {
-                       mprInput.setFlags(new MultipartRequestFlags(true));
-                       tmpOfTableFeatureList = ofTableFeatureList.subList(index, index + noOfEntriesInMPR);
-               }
-               else {
-                       // Last multipart request
-                       mprInput.setFlags(new MultipartRequestFlags(false));
-                       tmpOfTableFeatureList = ofTableFeatureList.subList(index, totalNoOfTableFeatureEntry );
-               }
-
-        tableFeaturesRequest.setTableFeatures(tmpOfTableFeatureList) ;
-        //Set request body to main multipart request
-        mprInput.setMultipartRequestBody(tableFeaturesRequest.build());
-
-        //Send the request, no cookies associated, use any connection
-        LOG.debug("Send Table Feature request :{}",tmpOfTableFeatureList);
-        this.messageService.multipartRequest(mprInput.build(), null);
-        index += noOfEntriesInMPR ;
-               tmpOfTableFeatureList = null ; // To avoid any corrupt data
-        }
-      //Extract the Xid only from the Future for the last RPC and
-               // send it back to the NSF
-        LOG.debug("Returning the result and transaction id to NSF");
-        LOG.debug("Return results and transaction id back to caller");
-        UpdateTableOutputBuilder output = new UpdateTableOutputBuilder();
-        output.setTransactionId(generateTransactionId(xid));
-
-        Collection<RpcError> errors = Collections.emptyList();
-        RpcResult<UpdateTableOutput> rpcResult = Rpcs.getRpcResult(true, output.build(), errors);
-        return Futures.immediateFuture(rpcResult);
-
-       }
+    @Override
+    public Future<RpcResult<SetConfigOutput>> setConfig(SetConfigInput input) {
+        OFRpcTask<SetConfigInput, RpcResult<SetConfigOutput>> task = OFRpcTaskFactory.createSetNodeConfigTask(rpcTaskContext, input, null);
+        return task.submit();
+    }
 }