applications/of-switch-config-pusher/src/main/java/org/opendaylight/openflowplugin/openflow/ofswitch/config/DefaultConfigPusher.java

   1 /*
   2  * Copyright (c) 2014, 2015 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.openflow.ofswitch.config;
   9
  10 import static java.util.Objects.requireNonNull;
  11
  12 import java.util.Collection;
  13 import javax.annotation.PostConstruct;
  14 import javax.annotation.PreDestroy;
  15 import javax.inject.Inject;
  16 import javax.inject.Singleton;
  17 import org.opendaylight.infrautils.utils.concurrent.LoggingFutures;
  18 import org.opendaylight.mdsal.binding.api.ClusteredDataTreeChangeListener;
  19 import org.opendaylight.mdsal.binding.api.DataBroker;
  20 import org.opendaylight.mdsal.binding.api.DataObjectModification.ModificationType;
  21 import org.opendaylight.mdsal.binding.api.DataTreeIdentifier;
  22 import org.opendaylight.mdsal.binding.api.DataTreeModification;
  23 import org.opendaylight.mdsal.common.api.LogicalDatastoreType;
  24 import org.opendaylight.openflowplugin.api.OFConstants;
  25 import org.opendaylight.openflowplugin.applications.deviceownershipservice.DeviceOwnershipService;
  26 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.inventory.rev130819.FlowCapableNode;
  27 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.NodeRef;
  28 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.Nodes;
  29 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.nodes.Node;
  30 import org.opendaylight.yang.gen.v1.urn.opendaylight.module.config.rev141015.NodeConfigService;
  31 import org.opendaylight.yang.gen.v1.urn.opendaylight.module.config.rev141015.SetConfigInputBuilder;
  32 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.types.rev130731.SwitchConfigFlag;
  33 import org.opendaylight.yangtools.concepts.Registration;
  34 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
  35 import org.slf4j.Logger;
  36 import org.slf4j.LoggerFactory;
  37
  38 @Singleton
  39 public class DefaultConfigPusher implements AutoCloseable, ClusteredDataTreeChangeListener<FlowCapableNode> {
  40     private static final Logger LOG = LoggerFactory.getLogger(DefaultConfigPusher.class);
  41
  42     private final NodeConfigService nodeConfigService;
  43     private final DataBroker dataBroker;
  44     private final DeviceOwnershipService deviceOwnershipService;
  45
  46     private Registration listenerRegistration;
  47
  48     @Inject
  49     public DefaultConfigPusher(final NodeConfigService nodeConfigService, final DataBroker dataBroker,
  50             final DeviceOwnershipService deviceOwnershipService) {
  51         this.nodeConfigService = nodeConfigService;
  52         this.dataBroker = dataBroker;
  53         this.deviceOwnershipService = requireNonNull(deviceOwnershipService, "DeviceOwnershipService can not be null");
  54     }
  55
  56     @PostConstruct
  57     public void start() {
  58         listenerRegistration = dataBroker.registerDataTreeChangeListener(
  59             DataTreeIdentifier.create(LogicalDatastoreType.OPERATIONAL,
  60                 InstanceIdentifier.create(Nodes.class).child(Node.class).augmentation(FlowCapableNode.class)),
  61             this);
  62         LOG.info("DefaultConfigPusher has started.");
  63     }
  64
  65     @Override
  66     @PreDestroy
  67     public void close() {
  68         if (listenerRegistration != null) {
  69             listenerRegistration.close();
  70         }
  71     }
  72
  73     @Override
  74     public void onDataTreeChanged(final Collection<DataTreeModification<FlowCapableNode>> modifications) {
  75         for (DataTreeModification<FlowCapableNode> modification : modifications) {
  76             if (modification.getRootNode().getModificationType() == ModificationType.WRITE) {
  77                 String nodeId = modification.getRootPath().getRootIdentifier()
  78                         .firstKeyOf(Node.class).getId().getValue();
  79                 if (deviceOwnershipService.isEntityOwned(nodeId)) {
  80                     SetConfigInputBuilder setConfigInputBuilder = new SetConfigInputBuilder();
  81                     setConfigInputBuilder.setFlag(SwitchConfigFlag.FRAGNORMAL.toString());
  82                     setConfigInputBuilder.setMissSearchLength(OFConstants.OFPCML_NO_BUFFER);
  83                     setConfigInputBuilder.setNode(new NodeRef(modification.getRootPath()
  84                             .getRootIdentifier().firstIdentifierOf(Node.class)));
  85                     LoggingFutures.addErrorLogging(nodeConfigService.setConfig(setConfigInputBuilder.build()),
  86                             LOG, "addFlow");
  87                 } else {
  88                     LOG.debug("Node {} is not owned by this controller, so skip setting config", nodeId);
  89                 }
  90             }
  91         }
  92     }
  93
  94 }