Examples with GetElementCountersByHandlerInput org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.statistics.rev170120.GetElementCountersByHandlerInput used on opensource projects

Example 1 with GetElementCountersByHandlerInput

use of org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.statistics.rev170120.GetElementCountersByHandlerInput in project netvirt by opendaylight.

the class StatisticsImpl method getElementCountersByHandler.

@Override
public ListenableFuture<RpcResult<GetElementCountersByHandlerOutput>> getElementCountersByHandler(GetElementCountersByHandlerInput input) {
    InstanceIdentifier<CounterRequests> ingressPath = InstanceIdentifier.builder(IngressElementCountersRequestConfig.class).child(CounterRequests.class, new CounterRequestsKey(input.getHandler())).build();
    InstanceIdentifier<CounterRequests> egressPath = InstanceIdentifier.builder(EgressElementCountersRequestConfig.class).child(CounterRequests.class, new CounterRequestsKey(input.getHandler())).build();
    ReadTransaction tx = db.newReadOnlyTransaction();
    CheckedFuture<Optional<CounterRequests>, ReadFailedException> ingressRequestData = tx.read(LogicalDatastoreType.CONFIGURATION, ingressPath);
    CheckedFuture<Optional<CounterRequests>, ReadFailedException> egressRequestData = tx.read(LogicalDatastoreType.CONFIGURATION, egressPath);
    List<CounterResult> counters = new ArrayList<>();
    try {
        if (!ingressRequestData.get().isPresent() && !egressRequestData.get().isPresent()) {
            LOG.warn("Handler does not exists");
            return RpcResultBuilder.<GetElementCountersByHandlerOutput>failed().withError(ErrorType.APPLICATION, "Handler does not exists").buildFuture();
        }
        if (ingressRequestData.get().isPresent()) {
            CounterRequests ingressCounterRequest = ingressRequestData.get().get();
            CounterResultDataStructure ingressCounterResultDS = createElementCountersResult(ingressCounterRequest);
            if (ingressCounterResultDS == null) {
                LOG.warn("Unable to get counter results");
                statisticsCounters.failedGettingCounterResults();
                return RpcResultBuilder.<GetElementCountersByHandlerOutput>failed().withError(ErrorType.APPLICATION, "Unable to get counter results").buildFuture();
            }
            createCounterResults(counters, ingressCounterResultDS, CountersServiceUtils.INGRESS_COUNTER_RESULT_ID);
        }
        if (egressRequestData.get().isPresent()) {
            CounterRequests egressCounterRequest = egressRequestData.get().get();
            CounterResultDataStructure egressCounterResultDS = createElementCountersResult(egressCounterRequest);
            if (egressCounterResultDS == null) {
                LOG.warn("Unable to get counter results");
                statisticsCounters.failedGettingCounterResults();
                return RpcResultBuilder.<GetElementCountersByHandlerOutput>failed().withError(ErrorType.APPLICATION, "Unable to get counter results").buildFuture();
            }
            createCounterResults(counters, egressCounterResultDS, CountersServiceUtils.EGRESS_COUNTER_RESULT_ID);
        }
    } catch (InterruptedException | ExecutionException e) {
        LOG.warn("failed to get counter request data from DB");
        return RpcResultBuilder.<GetElementCountersByHandlerOutput>failed().withError(ErrorType.APPLICATION, "failed to get counter request data from DB").buildFuture();
    } finally {
        tx.close();
    }
    GetElementCountersByHandlerOutputBuilder gecbhob = new GetElementCountersByHandlerOutputBuilder();
    gecbhob.setCounterResult(counters);
    return RpcResultBuilder.success(gecbhob.build()).buildFuture();
}