applications/forwardingrules-manager/src/main/java/org/opendaylight/openflowplugin/applications/frm/impl/ReconciliationServiceImpl.java

   1 /*
   2  * Copyright (c) 2018 Ericsson India Global Services Pvt Ltd. 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
   9 package org.opendaylight.openflowplugin.applications.frm.impl;
  10
  11 import com.google.common.util.concurrent.FutureCallback;
  12 import com.google.common.util.concurrent.Futures;
  13 import com.google.common.util.concurrent.ListenableFuture;
  14 import com.google.common.util.concurrent.SettableFuture;
  15 import javax.annotation.Nullable;
  16 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.inventory.rev130819.FlowCapableNode;
  17 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.NodeId;
  18 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.Nodes;
  19 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.nodes.Node;
  20 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.nodes.NodeBuilder;
  21 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.nodes.NodeKey;
  22 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.openflowplugin.app.reconciliation.service.rev180227.ReconcileNodeInput;
  23 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.openflowplugin.app.reconciliation.service.rev180227.ReconcileNodeOutput;
  24 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.openflowplugin.app.reconciliation.service.rev180227.ReconcileNodeOutputBuilder;
  25 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.openflowplugin.app.reconciliation.service.rev180227.ReconciliationService;
  26 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
  27 import org.opendaylight.yangtools.yang.common.RpcResult;
  28 import org.opendaylight.yangtools.yang.common.RpcResultBuilder;
  29 import org.slf4j.Logger;
  30 import org.slf4j.LoggerFactory;
  31
  32 public class ReconciliationServiceImpl implements ReconciliationService {
  33
  34     private static final Logger LOG = LoggerFactory.getLogger(ReconciliationServiceImpl.class);
  35
  36     private final ForwardingRulesManagerImpl forwardingRulesManagerImpl;
  37
  38     public ReconciliationServiceImpl(ForwardingRulesManagerImpl forwardingRulesManagerImpl) {
  39         this.forwardingRulesManagerImpl = forwardingRulesManagerImpl;
  40     }
  41
  42     private Node buildNode(long nodeIid) {
  43         NodeId nodeId = new NodeId("openflow:" + nodeIid);
  44         Node nodeDpn = new NodeBuilder().setId(nodeId).withKey(new NodeKey(nodeId)).build();
  45         return nodeDpn;
  46     }
  47
  48     @Override
  49     public ListenableFuture<RpcResult<ReconcileNodeOutput>> reconcileNode(ReconcileNodeInput input) {
  50         LOG.debug("Triggering reconciliation for node: {}", input.getNodeId().toString());
  51         Node nodeDpn = buildNode(input.getNodeId().longValue());
  52         InstanceIdentifier<FlowCapableNode> connectedNode = InstanceIdentifier.builder(Nodes.class)
  53                 .child(Node.class, nodeDpn.key()).augmentation(FlowCapableNode.class).build();
  54         SettableFuture<RpcResult<ReconcileNodeOutput>> rpcResult = SettableFuture.create();
  55         ListenableFuture<Boolean> futureResult = forwardingRulesManagerImpl
  56                 .getNodeListener().reconcileConfiguration(connectedNode);
  57         Futures.addCallback(futureResult, new ResultCallBack(futureResult, rpcResult));
  58         LOG.debug("Completing reconciliation for node: {}", input.getNodeId().toString());
  59         return rpcResult;
  60     }
  61
  62     private static class ResultCallBack implements FutureCallback<Boolean> {
  63         private final SettableFuture<RpcResult<ReconcileNodeOutput>> futureResult;
  64
  65         ResultCallBack(ListenableFuture<Boolean> rpcResult,
  66                        SettableFuture<RpcResult<ReconcileNodeOutput>> futureResult) {
  67             this.futureResult = futureResult;
  68         }
  69
  70         @Override
  71         public void onSuccess(@Nullable Boolean result) {
  72             ReconcileNodeOutput output = new ReconcileNodeOutputBuilder().setResult(result).build();
  73             futureResult.set(RpcResultBuilder.success(output).build());
  74         }
  75
  76         @Override
  77         public void onFailure(Throwable error) {
  78             LOG.error("initReconciliation failed", error);
  79             ReconcileNodeOutput output = new ReconcileNodeOutputBuilder().setResult(false).build();
  80             futureResult.set(RpcResultBuilder.success(output).build());
  81         }
  82     }
  83 }