config-loader/protocols-config-loader/src/main/java/org/opendaylight/bgpcep/config/loader/protocols/ProtocolsConfigFileProcessor.java

   1 /*
   2  * Copyright (c) 2017 AT&T Intellectual Property. 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.bgpcep.config.loader.protocols;
  10
  11 import static java.util.Objects.requireNonNull;
  12
  13 import com.google.common.annotations.VisibleForTesting;
  14 import java.util.Collection;
  15 import java.util.Map;
  16 import java.util.concurrent.ExecutionException;
  17 import org.opendaylight.bgpcep.config.loader.spi.ConfigFileProcessor;
  18 import org.opendaylight.bgpcep.config.loader.spi.ConfigLoader;
  19 import org.opendaylight.controller.md.sal.binding.api.DataBroker;
  20 import org.opendaylight.controller.md.sal.binding.api.WriteTransaction;
  21 import org.opendaylight.controller.md.sal.common.api.data.LogicalDatastoreType;
  22 import org.opendaylight.mdsal.binding.dom.codec.api.BindingNormalizedNodeSerializer;
  23 import org.opendaylight.yang.gen.v1.http.openconfig.net.yang.network.instance.rev151018.network.instance.top.NetworkInstances;
  24 import org.opendaylight.yang.gen.v1.http.openconfig.net.yang.network.instance.rev151018.network.instance.top.network.instances.NetworkInstance;
  25 import org.opendaylight.yang.gen.v1.http.openconfig.net.yang.network.instance.rev151018.network.instance.top.network.instances.NetworkInstanceKey;
  26 import org.opendaylight.yang.gen.v1.http.openconfig.net.yang.network.instance.rev151018.network.instance.top.network.instances.network.instance.Protocols;
  27 import org.opendaylight.yang.gen.v1.http.openconfig.net.yang.network.instance.rev151018.network.instance.top.network.instances.network.instance.protocols.Protocol;
  28 import org.opendaylight.yang.gen.v1.http.openconfig.net.yang.network.instance.rev151018.network.instance.top.network.instances.network.instance.protocols.ProtocolKey;
  29 import org.opendaylight.yangtools.concepts.AbstractRegistration;
  30 import org.opendaylight.yangtools.yang.binding.DataObject;
  31 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
  32 import org.opendaylight.yangtools.yang.binding.KeyedInstanceIdentifier;
  33 import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier;
  34 import org.opendaylight.yangtools.yang.data.api.schema.ContainerNode;
  35 import org.opendaylight.yangtools.yang.data.api.schema.MapEntryNode;
  36 import org.opendaylight.yangtools.yang.data.api.schema.MapNode;
  37 import org.opendaylight.yangtools.yang.data.api.schema.NormalizedNode;
  38 import org.opendaylight.yangtools.yang.model.api.SchemaPath;
  39 import org.slf4j.Logger;
  40 import org.slf4j.LoggerFactory;
  41
  42 public final class ProtocolsConfigFileProcessor implements ConfigFileProcessor, AutoCloseable {
  43
  44     @VisibleForTesting
  45     static final InstanceIdentifier<Protocols> BGP_PROTOCOLS_IID =
  46             InstanceIdentifier.create(NetworkInstances.class)
  47                     .child(NetworkInstance.class, new NetworkInstanceKey("global-bgp")).child(Protocols.class);
  48     private static final Logger LOG = LoggerFactory.getLogger(ProtocolsConfigFileProcessor.class);
  49     private static final SchemaPath PROTOCOLS_SCHEMA_PATH = SchemaPath
  50             .create(true, NetworkInstances.QNAME, NetworkInstance.QNAME, Protocols.QNAME);
  51     private final BindingNormalizedNodeSerializer bindingSerializer;
  52     private final YangInstanceIdentifier protocolYIId;
  53     private final DataBroker dataBroker;
  54     private final ConfigLoader configLoader;
  55     private AbstractRegistration registration;
  56
  57     public ProtocolsConfigFileProcessor(final ConfigLoader configLoader, final DataBroker dataBroker) {
  58         requireNonNull(configLoader);
  59         this.dataBroker = requireNonNull(dataBroker);
  60         this.configLoader = requireNonNull(configLoader);
  61         this.bindingSerializer = configLoader.getBindingNormalizedNodeSerializer();
  62         this.protocolYIId = this.bindingSerializer
  63                 .toYangInstanceIdentifier(BGP_PROTOCOLS_IID.child(Protocol.class));
  64     }
  65
  66     private static void processProtocol(final Protocol protocol, final WriteTransaction wtx) {
  67         final KeyedInstanceIdentifier<Protocol, ProtocolKey> topologyIIdKeyed =
  68                 BGP_PROTOCOLS_IID.child(Protocol.class, protocol.getKey());
  69         wtx.merge(LogicalDatastoreType.CONFIGURATION, topologyIIdKeyed, protocol, true);
  70     }
  71
  72     public synchronized void init() {
  73         this.registration = configLoader.registerConfigFile(this);
  74         LOG.info("Protocols Loader service initiated");
  75     }
  76
  77     @Override
  78     public SchemaPath getSchemaPath() {
  79         return PROTOCOLS_SCHEMA_PATH;
  80     }
  81
  82     @Override
  83     public synchronized void loadConfiguration(final NormalizedNode<?, ?> dto) {
  84         final ContainerNode protocolsContainer = (ContainerNode) dto;
  85         final MapNode protocolList = (MapNode) protocolsContainer.getChild(protocolYIId.getLastPathArgument()).get();
  86         final Collection<MapEntryNode> protocolsCollection = protocolList.getValue();
  87         final WriteTransaction wtx = this.dataBroker.newWriteOnlyTransaction();
  88         for (final MapEntryNode protocolEntry : protocolsCollection) {
  89             final Map.Entry<InstanceIdentifier<?>, DataObject> bi = this.bindingSerializer
  90                     .fromNormalizedNode(this.protocolYIId, protocolEntry);
  91             if (bi != null) {
  92                 final Protocol protocol = (Protocol) bi.getValue();
  93                 processProtocol(protocol, wtx);
  94             }
  95         }
  96         try {
  97             wtx.submit().get();
  98         } catch (final ExecutionException | InterruptedException e) {
  99             LOG.warn("Failed to create Protocol", e);
 100         }
 101     }
 102
 103     @Override
 104     public synchronized void close() {
 105         if (this.registration != null) {
 106             this.registration.close();
 107             this.registration = null;
 108         }
 109     }
 110 }