BUG-8156 : conflicting listener fix
[bgpcep.git] / 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 com.google.common.base.Preconditions;
12 import java.util.Collection;
13 import java.util.List;
14 import java.util.Map;
15 import javax.annotation.Nonnull;
16 import org.opendaylight.protocol.bgp.config.loader.spi.ConfigFileProcessor;
17 import org.opendaylight.protocol.bgp.config.loader.spi.ConfigLoader;
18 import org.opendaylight.protocol.bgp.rib.impl.spi.BgpDeployer;
19 import org.opendaylight.yang.gen.v1.http.openconfig.net.yang.bgp.rev151009.bgp.neighbors.Neighbor;
20 import org.opendaylight.yang.gen.v1.http.openconfig.net.yang.bgp.rev151009.bgp.top.Bgp;
21 import org.opendaylight.yang.gen.v1.http.openconfig.net.yang.bgp.rev151009.bgp.top.bgp.Global;
22 import org.opendaylight.yang.gen.v1.http.openconfig.net.yang.bgp.rev151009.bgp.top.bgp.Neighbors;
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.network.instance.Protocols;
26 import org.opendaylight.yang.gen.v1.http.openconfig.net.yang.network.instance.rev151018.network.instance.top.network.instances.network.instance.protocols.Protocol;
27 import org.opendaylight.yang.gen.v1.http.openconfig.net.yang.network.instance.rev151018.network.instance.top.network.instances.network.instance.protocols.ProtocolKey;
28 import org.opendaylight.yang.gen.v1.http.openconfig.net.yang.policy.types.rev151009.BGP;
29 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.openconfig.extensions.rev160614.Protocol1;
30 import org.opendaylight.yangtools.binding.data.codec.api.BindingNormalizedNodeSerializer;
31 import org.opendaylight.yangtools.concepts.AbstractRegistration;
32 import org.opendaylight.yangtools.yang.binding.DataObject;
33 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
34 import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier;
35 import org.opendaylight.yangtools.yang.data.api.schema.ContainerNode;
36 import org.opendaylight.yangtools.yang.data.api.schema.MapEntryNode;
37 import org.opendaylight.yangtools.yang.data.api.schema.MapNode;
38 import org.opendaylight.yangtools.yang.data.api.schema.NormalizedNode;
39 import org.opendaylight.yangtools.yang.model.api.SchemaPath;
40
41 public final class ProtocolsConfigFileProcessor implements ConfigFileProcessor, AutoCloseable {
42     private final BindingNormalizedNodeSerializer bindingSerializer;
43     private final BgpDeployer bgpDeployer;
44     private final AbstractRegistration registration;
45     private final InstanceIdentifier<Protocols> protocolsIID;
46     private final YangInstanceIdentifier protocolYIId;
47     private static final SchemaPath PROTOCOLS_SCHEMA_PATH = SchemaPath.create(true, NetworkInstances.QNAME, NetworkInstance.QNAME, Protocols.QNAME);
48
49     public ProtocolsConfigFileProcessor(final ConfigLoader configLoader, final BgpDeployer bgpDeployer) {
50         Preconditions.checkNotNull(configLoader);
51         this.bgpDeployer = Preconditions.checkNotNull(bgpDeployer);
52         this.protocolsIID = this.bgpDeployer.getInstanceIdentifier().child(Protocols.class);
53         this.bindingSerializer = configLoader.getBindingNormalizedNodeSerializer();
54         this.protocolYIId = this.bindingSerializer.toYangInstanceIdentifier(this.protocolsIID.child(Protocol.class));
55         this.registration = configLoader.registerConfigFile(this);
56     }
57
58     @Override
59     public SchemaPath getSchemaPath() {
60         return PROTOCOLS_SCHEMA_PATH;
61     }
62
63     @Override
64     public void loadConfiguration(@Nonnull final NormalizedNode<?, ?> dto) {
65         final ContainerNode protocolsContainer = (ContainerNode) dto;
66         final MapNode protocolList = (MapNode) protocolsContainer.getChild(protocolYIId.getLastPathArgument()).get();
67         final Collection<MapEntryNode> protocolsCollection = protocolList.getValue();
68         for (final MapEntryNode protocolEntry : protocolsCollection) {
69             final Map.Entry<InstanceIdentifier<?>, DataObject> bi = this.bindingSerializer.fromNormalizedNode(this.protocolYIId, protocolEntry);
70             if (bi != null) {
71                 notifyDeployer((Protocol) bi.getValue());
72             }
73         }
74     }
75
76     private void notifyDeployer(final Protocol protocol) {
77         final Protocol1 bgp = protocol.getAugmentation(Protocol1.class);
78         if (bgp != null) {
79             final InstanceIdentifier<Bgp> bgpIID = this.protocolsIID.child(Protocol.class, new ProtocolKey(BGP.class, protocol.getName()))
80                 .augmentation(Protocol1.class).child(Bgp.class);
81
82             final Global global = bgp.getBgp().getGlobal();
83             if (global != null) {
84                 this.bgpDeployer.onGlobalModified(bgpIID, global, () -> this.bgpDeployer.writeConfiguration(global, bgpIID.child(Global.class)));
85             }
86
87             final Neighbors neighbors = bgp.getBgp().getNeighbors();
88             if (neighbors != null) {
89                 final List<Neighbor> neighborsList = neighbors.getNeighbor();
90                 final InstanceIdentifier<Neighbors> neighborsIID = bgpIID.child(Neighbors.class);
91                 neighborsList.forEach(neighbor -> this.bgpDeployer.onNeighborModified(bgpIID, neighbor,
92                     () -> this.bgpDeployer.writeConfiguration(neighbor, neighborsIID.child(Neighbor.class, neighbor.getKey()))));
93             }
94         }
95     }
96
97     @Override
98     public void close() throws Exception {
99         this.registration.close();
100     }
101 }