2 * Copyright (c) 2014 Cisco Systems, Inc. and others. All rights reserved.
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
8 package org.opendaylight.protocol.bgp.rib.impl;
10 import com.google.common.base.Preconditions;
11 import com.google.common.net.InetAddresses;
12 import java.util.Map.Entry;
13 import org.opendaylight.controller.md.sal.binding.api.DataChangeListener;
14 import org.opendaylight.controller.md.sal.common.api.data.AsyncDataChangeEvent;
15 import org.opendaylight.protocol.bgp.rib.spi.AbstractAdjRIBs;
16 import org.opendaylight.protocol.bgp.rib.spi.AdjRIBsIn;
17 import org.opendaylight.protocol.bgp.rib.spi.Peer;
18 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev100924.Ipv4Address;
19 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev130919.UpdateBuilder;
20 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev130919.update.PathAttributesBuilder;
21 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.multiprotocol.rev130919.BgpTableType;
22 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.multiprotocol.rev130919.PathAttributes1;
23 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.multiprotocol.rev130919.PathAttributes1Builder;
24 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.multiprotocol.rev130919.PathAttributes2;
25 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.multiprotocol.rev130919.PathAttributes2Builder;
26 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.multiprotocol.rev130919.update.path.attributes.MpReachNlriBuilder;
27 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.multiprotocol.rev130919.update.path.attributes.MpUnreachNlriBuilder;
28 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.rib.rev130925.ApplicationRibId;
29 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.rib.rev130925.Route;
30 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.rib.rev130925.rib.Tables;
31 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.rib.rev130925.rib.TablesKey;
32 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.rib.rev130925.route.Attributes;
33 import org.opendaylight.yangtools.yang.binding.DataObject;
34 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
35 import org.slf4j.Logger;
36 import org.slf4j.LoggerFactory;
38 public class ApplicationPeer implements AutoCloseable, Peer, DataChangeListener {
40 private static final Logger LOG = LoggerFactory.getLogger(ApplicationPeer.class);
42 private final byte[] rawIdentifier;
43 private final RIBImpl targetRib;
44 private final String name;
46 public ApplicationPeer(final ApplicationRibId applicationRibId, final Ipv4Address ipAddress, final RIBImpl targetRib) {
47 this.name = applicationRibId.getValue().toString();
48 this.targetRib = Preconditions.checkNotNull(targetRib);
49 this.rawIdentifier = InetAddresses.forString(ipAddress.getValue()).getAddress();
53 public void onDataChanged(final AsyncDataChangeEvent<InstanceIdentifier<?>, DataObject> change) {
54 final UpdateBuilder ub = new UpdateBuilder();
55 for (final Entry<InstanceIdentifier<?>, DataObject> data : change.getCreatedData().entrySet()) {
56 fillMpReach(ub, data);
58 for (final Entry<InstanceIdentifier<?>, DataObject> data : change.getUpdatedData().entrySet()) {
59 fillMpReach(ub, data);
61 for (final InstanceIdentifier<?> data : change.getRemovedPaths()) {
62 final MpUnreachNlriBuilder unreachBuilder = new MpUnreachNlriBuilder();
63 final TablesKey key = data.firstKeyOf(Tables.class, TablesKey.class);
64 unreachBuilder.setAfi(key.getAfi());
65 unreachBuilder.setSafi(key.getSafi());
66 final AbstractAdjRIBs<?,?,?> ribsIn = (AbstractAdjRIBs<?,?,?>)this.targetRib.getTable(key);
67 ribsIn.addWith(unreachBuilder, data);
68 ub.setPathAttributes(new PathAttributesBuilder().addAugmentation(PathAttributes2.class, new PathAttributes2Builder().setMpUnreachNlri(unreachBuilder.build()).build()).build());
69 LOG.debug("Updating RIB with {}", ub.build());
70 this.targetRib.updateTables(this, ub.build());
75 private void fillMpReach(final UpdateBuilder ub, final Entry<InstanceIdentifier<?>, DataObject> data) {
76 if (data.getValue() instanceof Route) {
77 final Route r = (Route) data.getValue();
78 final MpReachNlriBuilder reachBuilder = new MpReachNlriBuilder();
79 final TablesKey key = data.getKey().firstKeyOf(Tables.class, TablesKey.class);
80 reachBuilder.setAfi(key.getAfi());
81 reachBuilder.setSafi(key.getSafi());
82 final AdjRIBsIn<?,Route> ribsIn = this.targetRib.getTable(key);
83 ribsIn.addAdvertisement(reachBuilder, (Route)data.getValue());
84 final PathAttributesBuilder pa = new PathAttributesBuilder();
85 pa.addAugmentation(PathAttributes1.class, new PathAttributes1Builder().setMpReachNlri(reachBuilder.build()).build());
86 this.addAttributes(pa, r.getAttributes());
87 pa.setCNextHop(reachBuilder.getCNextHop());
88 ub.setPathAttributes(pa.build());
89 LOG.debug("Updating RIB with {}", ub.build());
90 this.targetRib.updateTables(this, ub.build());
94 private void addAttributes(final PathAttributesBuilder pa, final Attributes a) {
96 pa.setAggregator(a.getAggregator());
97 pa.setAsPath(a.getAsPath());
98 pa.setAtomicAggregate(a.getAtomicAggregate());
99 pa.setClusterId(a.getClusterId());
100 pa.setCommunities(a.getCommunities());
101 pa.setExtendedCommunities(a.getExtendedCommunities());
102 pa.setLocalPref(a.getLocalPref());
103 pa.setMultiExitDisc(a.getMultiExitDisc());
104 pa.setOrigin(a.getOrigin());
105 pa.setOriginatorId(a.getOriginatorId());
110 public String getName() {
115 public void close() {
116 for (final BgpTableType t : this.targetRib.getLocalTables()) {
117 this.targetRib.clearTable(this, new TablesKey(t.getAfi(), t.getSafi()));
122 public byte[] getRawIdentifier() {
123 return this.rawIdentifier;