bgp/rib-impl/src/main/java/org/opendaylight/protocol/bgp/rib/impl/ProtocolsConfigFileProcessor.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
   9 package org.opendaylight.protocol.bgp.rib.impl;
  10
  11 import static java.util.Objects.requireNonNull;
  12
  13 import java.util.Collection;
  14 import java.util.List;
  15 import java.util.Map;
  16 import javax.annotation.Nonnull;
  17 import org.opendaylight.mdsal.binding.dom.codec.api.BindingNormalizedNodeSerializer;
  18 import org.opendaylight.protocol.bgp.config.loader.spi.ConfigFileProcessor;
  19 import org.opendaylight.protocol.bgp.config.loader.spi.ConfigLoader;
  20 import org.opendaylight.protocol.bgp.rib.impl.spi.BgpDeployer;
  21 import org.opendaylight.yang.gen.v1.http.openconfig.net.yang.bgp.rev151009.bgp.neighbors.Neighbor;
  22 import org.opendaylight.yang.gen.v1.http.openconfig.net.yang.bgp.rev151009.bgp.top.Bgp;
  23 import org.opendaylight.yang.gen.v1.http.openconfig.net.yang.bgp.rev151009.bgp.top.bgp.Global;
  24 import org.opendaylight.yang.gen.v1.http.openconfig.net.yang.bgp.rev151009.bgp.top.bgp.Neighbors;
  25 import org.opendaylight.yang.gen.v1.http.openconfig.net.yang.network.instance.rev151018.network.instance.top.NetworkInstances;
  26 import org.opendaylight.yang.gen.v1.http.openconfig.net.yang.network.instance.rev151018.network.instance.top.network.instances.NetworkInstance;
  27 import org.opendaylight.yang.gen.v1.http.openconfig.net.yang.network.instance.rev151018.network.instance.top.network.instances.network.instance.Protocols;
  28 import org.opendaylight.yang.gen.v1.http.openconfig.net.yang.network.instance.rev151018.network.instance.top.network.instances.network.instance.protocols.Protocol;
  29 import org.opendaylight.yang.gen.v1.http.openconfig.net.yang.network.instance.rev151018.network.instance.top.network.instances.network.instance.protocols.ProtocolKey;
  30 import org.opendaylight.yang.gen.v1.http.openconfig.net.yang.policy.types.rev151009.BGP;
  31 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.openconfig.extensions.rev160614.Protocol1;
  32 import org.opendaylight.yangtools.concepts.AbstractRegistration;
  33 import org.opendaylight.yangtools.yang.binding.DataObject;
  34 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
  35 import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier;
  36 import org.opendaylight.yangtools.yang.data.api.schema.ContainerNode;
  37 import org.opendaylight.yangtools.yang.data.api.schema.MapEntryNode;
  38 import org.opendaylight.yangtools.yang.data.api.schema.MapNode;
  39 import org.opendaylight.yangtools.yang.data.api.schema.NormalizedNode;
  40 import org.opendaylight.yangtools.yang.model.api.SchemaPath;
  41
  42 public final class ProtocolsConfigFileProcessor implements ConfigFileProcessor, AutoCloseable {
  43     private final BindingNormalizedNodeSerializer bindingSerializer;
  44     private final BgpDeployer bgpDeployer;
  45     private final AbstractRegistration registration;
  46     private final InstanceIdentifier<Protocols> protocolsIID;
  47     private final YangInstanceIdentifier protocolYIId;
  48     private static final SchemaPath PROTOCOLS_SCHEMA_PATH = SchemaPath.create(true, NetworkInstances.QNAME, NetworkInstance.QNAME, Protocols.QNAME);
  49
  50     public ProtocolsConfigFileProcessor(final ConfigLoader configLoader, final BgpDeployer bgpDeployer) {
  51         requireNonNull(configLoader);
  52         this.bgpDeployer = requireNonNull(bgpDeployer);
  53         this.protocolsIID = this.bgpDeployer.getInstanceIdentifier().child(Protocols.class);
  54         this.bindingSerializer = configLoader.getBindingNormalizedNodeSerializer();
  55         this.protocolYIId = this.bindingSerializer.toYangInstanceIdentifier(this.protocolsIID.child(Protocol.class));
  56         this.registration = configLoader.registerConfigFile(this);
  57     }
  58
  59     @Override
  60     public SchemaPath getSchemaPath() {
  61         return PROTOCOLS_SCHEMA_PATH;
  62     }
  63
  64     @Override
  65     public void loadConfiguration(@Nonnull final NormalizedNode<?, ?> dto) {
  66         final ContainerNode protocolsContainer = (ContainerNode) dto;
  67         final MapNode protocolList = (MapNode) protocolsContainer.getChild(protocolYIId.getLastPathArgument()).get();
  68         final Collection<MapEntryNode> protocolsCollection = protocolList.getValue();
  69         for (final MapEntryNode protocolEntry : protocolsCollection) {
  70             final Map.Entry<InstanceIdentifier<?>, DataObject> bi = this.bindingSerializer.fromNormalizedNode(this.protocolYIId, protocolEntry);
  71             if (bi != null) {
  72                 notifyDeployer((Protocol) bi.getValue());
  73             }
  74         }
  75     }
  76
  77     private void notifyDeployer(final Protocol protocol) {
  78         final Protocol1 bgp = protocol.getAugmentation(Protocol1.class);
  79         if (bgp != null) {
  80             final InstanceIdentifier<Bgp> bgpIID = this.protocolsIID.child(Protocol.class, new ProtocolKey(BGP.class, protocol.getName()))
  81                 .augmentation(Protocol1.class).child(Bgp.class);
  82
  83             final Global global = bgp.getBgp().getGlobal();
  84             if (global != null) {
  85                 this.bgpDeployer.onGlobalModified(bgpIID, global, () -> this.bgpDeployer.writeConfiguration(global, bgpIID.child(Global.class)));
  86             }
  87
  88             final Neighbors neighbors = bgp.getBgp().getNeighbors();
  89             if (neighbors != null) {
  90                 final List<Neighbor> neighborsList = neighbors.getNeighbor();
  91                 final InstanceIdentifier<Neighbors> neighborsIID = bgpIID.child(Neighbors.class);
  92                 neighborsList.forEach(neighbor -> this.bgpDeployer.onNeighborModified(bgpIID, neighbor,
  93                     () -> this.bgpDeployer.writeConfiguration(neighbor, neighborsIID.child(Neighbor.class, neighbor.getKey()))));
  94             }
  95         }
  96     }
  97
  98     @Override
  99     public void close() throws Exception {
 100         this.registration.close();
 101     }
 102 }