applications/forwardingrules-manager/src/main/java/org/opendaylight/openflowplugin/applications/frm/impl/FrmReconciliationServiceImpl.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.inject.Inject;
  16 import javax.inject.Singleton;
  17
  18 import org.apache.aries.blueprint.annotation.service.Service;
  19 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.inventory.rev130819.FlowCapableNode;
  20 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.NodeId;
  21 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.Nodes;
  22 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.nodes.Node;
  23 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.nodes.NodeBuilder;
  24 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.nodes.NodeKey;
  25 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.openflowplugin.app.frm.reconciliation.service.rev180227.FrmReconciliationService;
  26 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.openflowplugin.app.frm.reconciliation.service.rev180227.ReconcileNodeInput;
  27 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.openflowplugin.app.frm.reconciliation.service.rev180227.ReconcileNodeOutput;
  28 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.openflowplugin.app.frm.reconciliation.service.rev180227.ReconcileNodeOutputBuilder;
  29 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
  30 import org.opendaylight.yangtools.yang.common.RpcError;
  31 import org.opendaylight.yangtools.yang.common.RpcResult;
  32 import org.opendaylight.yangtools.yang.common.RpcResultBuilder;
  33 import org.slf4j.Logger;
  34 import org.slf4j.LoggerFactory;
  35
  36 @Singleton
  37 @Service(classes = FrmReconciliationService.class)
  38 public class FrmReconciliationServiceImpl implements FrmReconciliationService {
  39
  40     private static final Logger LOG = LoggerFactory.getLogger(FrmReconciliationServiceImpl.class);
  41
  42     private final ForwardingRulesManagerImpl forwardingRulesManagerImpl;
  43
  44     @Inject
  45     public FrmReconciliationServiceImpl(ForwardingRulesManagerImpl forwardingRulesManagerImpl) {
  46         this.forwardingRulesManagerImpl = forwardingRulesManagerImpl;
  47     }
  48
  49     private Node buildNode(long nodeIid) {
  50         NodeId nodeId = new NodeId("openflow:" + nodeIid);
  51         Node nodeDpn = new NodeBuilder().setId(nodeId).withKey(new NodeKey(nodeId)).build();
  52         return nodeDpn;
  53     }
  54
  55     @Override
  56     public ListenableFuture<RpcResult<ReconcileNodeOutput>> reconcileNode(ReconcileNodeInput input) {
  57         LOG.debug("Triggering reconciliation for node: {}", input.getNodeId().toString());
  58         Node nodeDpn = buildNode(input.getNodeId().longValue());
  59         InstanceIdentifier<FlowCapableNode> connectedNode = InstanceIdentifier.builder(Nodes.class)
  60                 .child(Node.class, nodeDpn.key()).augmentation(FlowCapableNode.class).build();
  61         SettableFuture<RpcResult<ReconcileNodeOutput>> rpcResult = SettableFuture.create();
  62         ListenableFuture<Boolean> futureResult = forwardingRulesManagerImpl
  63                 .getNodeListener().reconcileConfiguration(connectedNode);
  64         Futures.addCallback(futureResult, new ResultCallBack(futureResult, rpcResult));
  65         LOG.debug("Completing reconciliation for node: {}", input.getNodeId().toString());
  66         return rpcResult;
  67     }
  68
  69     private static class ResultCallBack implements FutureCallback<Boolean> {
  70         private final SettableFuture<RpcResult<ReconcileNodeOutput>> futureResult;
  71
  72         ResultCallBack(ListenableFuture<Boolean> rpcResult,
  73                        SettableFuture<RpcResult<ReconcileNodeOutput>> futureResult) {
  74             this.futureResult = futureResult;
  75         }
  76
  77         @Override
  78         public void onSuccess(Boolean result) {
  79             if (result) {
  80                 ReconcileNodeOutput output = new ReconcileNodeOutputBuilder().setResult(result).build();
  81                 futureResult.set(RpcResultBuilder.success(output).build());
  82             } else {
  83                 futureResult.set(RpcResultBuilder.<ReconcileNodeOutput>failed()
  84                         .withError(RpcError.ErrorType.APPLICATION, "Error while triggering reconciliation").build());
  85             }
  86
  87         }
  88
  89         @Override
  90         public void onFailure(Throwable error) {
  91             LOG.error("initReconciliation failed", error);
  92             futureResult.set(RpcResultBuilder.<ReconcileNodeOutput>failed()
  93                     .withError(RpcError.ErrorType.RPC,"Error while calling RPC").build());
  94         }
  95     }
  96 }