These convertors are used decoding the SAL data to OF Data
[openflowplugin.git] / openflowplugin / src / main / java / org / opendaylight / openflowplugin / openflow / md / core / sal / ModelDrivenSwitchImpl.java
index 7b26a9de50d7867d9c4672289c17f8828925b204..b05aacd7534027841bee0f71d247d70b27fd39e6 100644 (file)
+/**
+ * Copyright (c) 2013 Cisco Systems, Inc. and others.  All rights reserved.
+ *
+ * This program and the accompanying materials are made available under the
+ * terms of the Eclipse Public License v1.0 which accompanies this distribution,
+ * and is available at http://www.eclipse.org/legal/epl-v10.html
+ */
 package org.opendaylight.openflowplugin.openflow.md.core.sal;
 
 import java.util.ArrayList;
+import java.util.Collection;
 import java.util.List;
 import java.util.concurrent.Future;
 
-import org.apache.log4j.spi.LoggerFactory;
-import org.opendaylight.openflowplugin.openflow.md.ModelDrivenSwitch;
-import org.opendaylight.openflowplugin.openflow.md.core.ConnectionConductor;
+import org.opendaylight.controller.sal.common.util.Rpcs;
+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.session.IMessageDispatchService;
 import org.opendaylight.openflowplugin.openflow.md.core.session.SessionContext;
 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.NodeFlow;
 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.types.rev131026.Flow;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.types.rev131026.FlowModFlags;
 import org.opendaylight.yang.gen.v1.urn.opendaylight.group.service.rev130918.AddGroupInput;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.group.service.rev130918.AddGroupOutput;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.group.service.rev130918.AddGroupOutputBuilder;
 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.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.openflow.oxm.rev130731.oxm.fields.MatchEntries;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.FlowMod;
+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.flow.mod.Match;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.flow.mod.MatchBuilder;
+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.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.packet.service.rev130709.TransmitPacketInput;
 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 {
 
-    public 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 IMessageDispatchService messageService ;
 
-    protected ModelDrivenSwitchImpl(NodeId nodeId, InstanceIdentifier<Node> identifier, SessionContext context) {
+    protected ModelDrivenSwitchImpl(NodeId nodeId,
+            InstanceIdentifier<Node> identifier, SessionContext context) {
         super(identifier, context);
         this.nodeId = nodeId;
+        messageService = sessionContext.getMessageDispatchService() ;
     }
 
     @Override
-    public Future<RpcResult<Void>> addFlow(AddFlowInput input) {
-        // TODO Auto-generated method stub
-
-        return null;
+    public Future<RpcResult<AddFlowOutput>> addFlow(AddFlowInput input) {
+       // Convert the AddFlowInput to FlowModInput 
+       FlowModInput ofFlowModInput = FlowConvertor.toFlowModInput(input) ;
+                       
+       // 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 AddFlow RPC" + ex.getMessage());
+       }
+       
+       UpdateFlowOutput updateFlowOutput = rpcResultFromOFLib.getResult() ;
+       
+       AddFlowOutputBuilder addFlowOutput = new AddFlowOutputBuilder() ;
+       addFlowOutput.setTransactionId(updateFlowOutput.getTransactionId()) ;
+       AddFlowOutput result = addFlowOutput.build();
+       
+       Collection<RpcError> errors = rpcResultFromOFLib.getErrors() ;
+        RpcResult<AddFlowOutput> rpcResult = Rpcs.getRpcResult(true, result, errors); 
+        
+       LOG.debug("Returning the Add Flow RPC result to MD-SAL");
+        return Futures.immediateFuture(rpcResult);
     }
 
     @Override
-    public Future<RpcResult<Void>> addGroup(AddGroupInput input) {
-        // TODO Auto-generated method stub
-        return null;
+    public Future<RpcResult<AddGroupOutput>> addGroup(AddGroupInput input) {
+       // Convert the AddGroupInput to GroupModInput 
+       GroupModInput ofGroupModInput = GroupConvertor.toGroupModInput(input) ;
+       
+               
+       // 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());
+       }
+       
+       UpdateGroupOutput updateGroupOutput = rpcResultFromOFLib.getResult() ;
+       
+       AddGroupOutputBuilder addGroupOutput = new AddGroupOutputBuilder() ;
+       addGroupOutput.setTransactionId(updateGroupOutput.getTransactionId()) ;
+       AddGroupOutput result = addGroupOutput.build();
+       
+       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);
     }
 
     @Override
-    public Future<RpcResult<Void>> addMeter(AddMeterInput input) {
-        // TODO Auto-generated method stub
-        return null;
+    public Future<RpcResult<AddMeterOutput>> addMeter(AddMeterInput input) {
+       // Convert the AddMeterInput to MeterModInput 
+       MeterModInput ofMeterModInput = MeterConvertor.toMeterModInput(input) ;
+       
+               
+       // 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() ;
+       
+       AddMeterOutputBuilder addMeterOutput = new AddMeterOutputBuilder() ;
+       addMeterOutput.setTransactionId(updateMeterOutput.getTransactionId()) ;
+       AddMeterOutput result = addMeterOutput.build();
+       
+       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);
     }
 
     @Override
-    public Future<RpcResult<Void>> removeFlow(RemoveFlowInput input) {
-        // TODO Auto-generated method stub
-        return null;
+    public Future<RpcResult<RemoveFlowOutput>> removeFlow(RemoveFlowInput input) {
+       // Convert the RemoveFlowInput to FlowModInput 
+       FlowModInput ofFlowModInput = FlowConvertor.toFlowModInput(input) ;
+       
+               
+       // 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() ;
+       
+       RemoveFlowOutputBuilder removeFlowOutput = new RemoveFlowOutputBuilder() ;
+       removeFlowOutput.setTransactionId(updateFlowOutput.getTransactionId()) ;
+       RemoveFlowOutput result = removeFlowOutput.build();
+       
+       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);
     }
 
     @Override
-    public Future<RpcResult<Void>> removeGroup(RemoveGroupInput input) {
-        // TODO Auto-generated method stub
-        return null;
+    public Future<RpcResult<RemoveGroupOutput>> removeGroup(
+            RemoveGroupInput input) {
+       // Convert the RemoveGroupInput to GroupModInput 
+       GroupModInput ofGroupModInput = GroupConvertor.toGroupModInput(input.getUpdatedGroup()) ;
+       
+               
+       // 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 RemoveGroup RPC" + ex.getMessage());
+       }
+       
+       UpdateGroupOutput updateGroupOutput = rpcResultFromOFLib.getResult() ;
+       
+       RemoveGroupOutputBuilder removeGroupOutput = new RemoveGroupOutputBuilder() ;
+       removeGroupOutput.setTransactionId(updateGroupOutput.getTransactionId()) ;
+       RemoveGroupOutput result = removeGroupOutput.build();
+       
+       Collection<RpcError> errors = rpcResultFromOFLib.getErrors() ;
+        RpcResult<RemoveGroupOutput> rpcResult = Rpcs.getRpcResult(true, result, errors); 
+       
+        LOG.debug("Returning the Remove Group RPC result to MD-SAL");
+        return Futures.immediateFuture(rpcResult);
     }
 
     @Override
-    public Future<RpcResult<Void>> removeMeter(RemoveMeterInput input) {
-        // TODO Auto-generated method stub
-        return null;
+    public Future<RpcResult<RemoveMeterOutput>> removeMeter(
+            RemoveMeterInput input) {
+       // Convert the RemoveMeterInput to MeterModInput 
+       MeterModInput ofMeterModInput = MeterConvertor.toMeterModInput(input) ;
+       
+               
+       // 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 RemoveMeter RPC" + ex.getMessage());
+       }
+       
+       UpdateMeterOutput updatemeterOutput = rpcResultFromOFLib.getResult() ;
+       
+       RemoveMeterOutputBuilder removeMeterOutput = new RemoveMeterOutputBuilder() ;
+       removeMeterOutput.setTransactionId(updatemeterOutput.getTransactionId()) ;
+       RemoveMeterOutput result = removeMeterOutput.build();
+       
+       Collection<RpcError> errors = rpcResultFromOFLib.getErrors() ;
+        RpcResult<RemoveMeterOutput> rpcResult = Rpcs.getRpcResult(true, result, errors); 
+       
+        LOG.debug("Returning the Remove Meter RPC result to MD-SAL");
+        return Futures.immediateFuture(rpcResult);
     }
 
     @Override
@@ -95,7 +310,8 @@ public class ModelDrivenSwitchImpl extends AbstractModelDrivenSwitch {
         return target;
     }
 
-    private Match toMatch(org.opendaylight.yang.gen.v1.urn.opendaylight.flow.types.rev131026.flow.Match match) {
+    private Match toMatch(
+            org.opendaylight.yang.gen.v1.urn.opendaylight.flow.types.rev131026.flow.Match match) {
         MatchBuilder target = new MatchBuilder();
 
         target.setMatchEntries(toMatchEntries(match));
@@ -111,23 +327,114 @@ public class ModelDrivenSwitchImpl extends AbstractModelDrivenSwitch {
     }
 
     @Override
-    public Future<RpcResult<Void>> updateFlow(UpdateFlowInput input) {
-        // TODO Auto-generated method stub
-        return null;
+    public Future<RpcResult<UpdateFlowOutput>> updateFlow(UpdateFlowInput input) {
+       // Convert the UpdateFlowInput to FlowModInput 
+       FlowModInput ofFlowModInput = FlowConvertor.toFlowModInput(input.getUpdatedFlow()) ;
+       
+       // 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() ;
+       
+       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);
     }
 
     @Override
-    public Future<RpcResult<Void>> updateGroup(UpdateGroupInput input) {
-        // TODO Auto-generated method stub
-        return null;
+    public Future<RpcResult<UpdateGroupOutput>> updateGroup(
+            UpdateGroupInput input) {
+       // Convert the UpdateGroupInput to GroupModInput 
+       GroupModInput ofGroupModInput = GroupConvertor.toGroupModInput(input.getUpdatedGroup()) ;
+       
+               
+       // 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());
+       }
+       
+       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);
     }
 
     @Override
-    public Future<RpcResult<Void>> updateMeter(UpdateMeterInput input) {
-        // TODO Auto-generated method stub
-        return null;
+    public Future<RpcResult<UpdateMeterOutput>> updateMeter(
+            UpdateMeterInput input) {
+       // Convert the UpdateMeterInput to MeterModInput 
+       MeterModInput ofMeterModInput = MeterConvertor.toMeterModInput(input.getUpdatedMeter()) ;
+       
+               
+       // 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); 
+       
+        LOG.debug("Returning the Update Meter RPC result to MD-SAL");
+        return Futures.immediateFuture(rpcResult);
     }
 
+    @Override
     public NodeId getNodeId() {
         return nodeId;
     }