openflowplugin-impl/src/main/java/org/opendaylight/openflowplugin/impl/services/sal/UpdateFlowsBatchImpl.java

   1 /*
   2  * Copyright (c) 2016 Cisco Systems, Inc. and others.  All rights reserved.
   3  *
   4  * This program and the accompanying materials are made available under the
   5  * terms of the Eclipse Public License v1.0 which accompanies this distribution,
   6  * and is available at http://www.eclipse.org/legal/epl-v10.html
   7  */
   8 package org.opendaylight.openflowplugin.impl.services.sal;
   9
  10 import static java.util.Objects.requireNonNull;
  11
  12 import com.google.common.util.concurrent.Futures;
  13 import com.google.common.util.concurrent.ListenableFuture;
  14 import com.google.common.util.concurrent.MoreExecutors;
  15 import org.opendaylight.openflowplugin.impl.util.BarrierUtil;
  16 import org.opendaylight.openflowplugin.impl.util.FlowUtil;
  17 import org.opendaylight.openflowplugin.impl.util.PathUtil;
  18 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.service.rev130819.UpdateFlow;
  19 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.service.rev130819.UpdateFlowInputBuilder;
  20 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.service.rev130819.flow.update.OriginalFlowBuilder;
  21 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.service.rev130819.flow.update.UpdatedFlowBuilder;
  22 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.transaction.rev150304.SendBarrier;
  23 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.types.rev131026.FlowRef;
  24 import org.opendaylight.yang.gen.v1.urn.opendaylight.flows.service.rev160314.BatchFlowInputUpdateGrouping;
  25 import org.opendaylight.yang.gen.v1.urn.opendaylight.flows.service.rev160314.UpdateFlowsBatch;
  26 import org.opendaylight.yang.gen.v1.urn.opendaylight.flows.service.rev160314.UpdateFlowsBatchInput;
  27 import org.opendaylight.yang.gen.v1.urn.opendaylight.flows.service.rev160314.UpdateFlowsBatchOutput;
  28 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.NodeRef;
  29 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.nodes.Node;
  30 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
  31 import org.opendaylight.yangtools.yang.common.RpcResult;
  32 import org.slf4j.Logger;
  33 import org.slf4j.LoggerFactory;
  34
  35 public final class UpdateFlowsBatchImpl implements UpdateFlowsBatch {
  36     private static final Logger LOG = LoggerFactory.getLogger(UpdateFlowsBatchImpl.class);
  37
  38     private final UpdateFlow updateFlow;
  39     private final SendBarrier sendBarrier;
  40
  41     public UpdateFlowsBatchImpl(final UpdateFlow updateFlow, final SendBarrier sendBarrier) {
  42         this.updateFlow = requireNonNull(updateFlow);
  43         this.sendBarrier = requireNonNull(sendBarrier);
  44     }
  45
  46     @Override
  47     public ListenableFuture<RpcResult<UpdateFlowsBatchOutput>> invoke(final UpdateFlowsBatchInput input) {
  48         final var flows = input.nonnullBatchUpdateFlows().values();
  49         if (LOG.isTraceEnabled()) {
  50             LOG.trace("Updating flows @ {} : {}", PathUtil.extractNodeId(input.getNode()), flows.size());
  51         }
  52
  53         final var resultsLot = flows.stream()
  54             .map(batchFlow -> updateFlow.invoke(new UpdateFlowInputBuilder(input)
  55                 .setOriginalFlow(new OriginalFlowBuilder(batchFlow.getOriginalBatchedFlow()).build())
  56                 .setUpdatedFlow(new UpdatedFlowBuilder(batchFlow.getUpdatedBatchedFlow()).build())
  57                 .setFlowRef(createFlowRef(input.getNode(), batchFlow))
  58                 .setNode(input.getNode())
  59                 .build()))
  60             .toList();
  61
  62         final var commonResult = Futures.transform(Futures.successfulAsList(resultsLot),
  63             FlowUtil.createCumulatingFunction(flows), MoreExecutors.directExecutor());
  64         final var updateFlowsBulkFuture = Futures.transform(commonResult, FlowUtil.FLOW_UPDATE_TRANSFORM,
  65             MoreExecutors.directExecutor());
  66         return input.getBarrierAfter()
  67             ? BarrierUtil.chainBarrier(updateFlowsBulkFuture, input.getNode(), sendBarrier,
  68                 FlowUtil.FLOW_UPDATE_COMPOSING_TRANSFORM)
  69             : updateFlowsBulkFuture;
  70     }
  71
  72     private static FlowRef createFlowRef(final NodeRef nodeRef, final BatchFlowInputUpdateGrouping batchFlow) {
  73         return FlowUtil.buildFlowPath((InstanceIdentifier<Node>) nodeRef.getValue(),
  74                 batchFlow.getOriginalBatchedFlow().getTableId(), batchFlow.getFlowId());
  75     }
  76 }