Hi Anil and openflowplugin-dev's,
Currently we facing 2 problem when we changing the lithium feature to helium
feature in our task to NIC.
Problem 1: Logging the flow statistics data
The following code is working in lithium and but not in helium,
InstanceIdentifier<FlowStatistics> path =
InstanceIdentifier.builder(Nodes.class).
child(Node.class, new NodeKey(nodeId)).
augmentation(FlowCapableNode.class).
child(Table.class, new TableKey(TABLE_ID)).
child(Flow.class, new FlowKey(flowId)).
augmentation(FlowStatisticsData.class).
child(FlowStatistics.class).
build();
registration =
this.dataBroker.registerDataChangeListener(LogicalDatastoreType.OPERATIONAL,
path, this, DataBroker.DataChangeScope.SUBTREE);
My understanding that helium won't support the above API's. it will support
through RPC notification call.
The below code will support in helium to get the flow statistics data
information.
public Future<RpcResult<GetFlowStatisticsFromFlowTableOutput>>
getFlowStatisticsFromFlowTable(
final GetFlowStatisticsFromFlowTableInput input) {
return flowsInTable.handleAndNotify(input, notificationService);
}
Please confirm my understanding is correct or please share some additional
information if this info is wrong.
Problem 2: Finding the shortest path between SRC and DSC node ID's by using
graph service, and graph service is setting by topology links (which is shared
in below code).
We are listening the below topology and the same setting into our graph service.
The below code is working in lithium but not in helium. And kindly suggest us
how to make this code work in helium feature.
/**
* Creates an {@link InstanceIdentifier} for {@link Topology} with a key
"flow:1".
* @return InstanceIdentifier for Topology with key "flow:1"
*/
public static InstanceIdentifier<Topology> getFlowTopologyII() {
final TopologyKey key = new TopologyKey(new TopologyId("flow:1"));
return InstanceIdentifier
.create(NetworkTopology.class)
.child(Topology.class, key);
}
Regards,
Vinoth
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