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.Arrays;
13 import java.util.Map.Entry;
14 import org.opendaylight.controller.md.sal.binding.api.DataChangeListener;
15 import org.opendaylight.controller.md.sal.common.api.data.AsyncDataChangeEvent;
16 import org.opendaylight.protocol.bgp.rib.spi.AbstractAdjRIBs;
17 import org.opendaylight.protocol.bgp.rib.spi.AdjRIBsIn;
18 import org.opendaylight.protocol.bgp.rib.spi.Peer;
19 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev100924.Ipv4Address;
20 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev130919.UpdateBuilder;
21 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev130919.path.attributes.Attributes;
22 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev130919.path.attributes.AttributesBuilder;
23 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.multiprotocol.rev130919.Attributes1;
24 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.multiprotocol.rev130919.Attributes1Builder;
25 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.multiprotocol.rev130919.Attributes2;
26 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.multiprotocol.rev130919.Attributes2Builder;
27 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.multiprotocol.rev130919.BgpTableType;
28 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.multiprotocol.rev130919.update.attributes.MpReachNlriBuilder;
29 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.multiprotocol.rev130919.update.attributes.MpUnreachNlriBuilder;
30 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.rib.rev130925.ApplicationRibId;
31 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.rib.rev130925.Route;
32 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.rib.rev130925.rib.Tables;
33 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.rib.rev130925.rib.TablesKey;
34 import org.opendaylight.yangtools.yang.binding.DataObject;
35 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
36 import org.slf4j.Logger;
37 import org.slf4j.LoggerFactory;
39 public class ApplicationPeer implements AutoCloseable, Peer, DataChangeListener {
41 private static final Logger LOG = LoggerFactory.getLogger(ApplicationPeer.class);
43 private final byte[] rawIdentifier;
44 private final RIBImpl targetRib;
45 private final String name;
47 public ApplicationPeer(final ApplicationRibId applicationRibId, final Ipv4Address ipAddress, final RIBImpl targetRib) {
48 this.name = applicationRibId.getValue().toString();
49 this.targetRib = Preconditions.checkNotNull(targetRib);
50 this.rawIdentifier = InetAddresses.forString(ipAddress.getValue()).getAddress();
54 public void onDataChanged(final AsyncDataChangeEvent<InstanceIdentifier<?>, DataObject> change) {
55 final UpdateBuilder ub = new UpdateBuilder();
56 for (final Entry<InstanceIdentifier<?>, DataObject> data : change.getCreatedData().entrySet()) {
57 fillMpReach(ub, data);
59 for (final Entry<InstanceIdentifier<?>, DataObject> data : change.getUpdatedData().entrySet()) {
60 fillMpReach(ub, data);
62 for (final InstanceIdentifier<?> data : change.getRemovedPaths()) {
63 final MpUnreachNlriBuilder unreachBuilder = new MpUnreachNlriBuilder();
64 final TablesKey key = data.firstKeyOf(Tables.class, TablesKey.class);
65 unreachBuilder.setAfi(key.getAfi());
66 unreachBuilder.setSafi(key.getSafi());
67 final AbstractAdjRIBs<?,?,?> ribsIn = (AbstractAdjRIBs<?,?,?>)this.targetRib.getTable(key);
68 ribsIn.addWith(unreachBuilder, data);
69 ub.setAttributes(new AttributesBuilder().addAugmentation(Attributes2.class, new Attributes2Builder().setMpUnreachNlri(unreachBuilder.build()).build()).build());
70 LOG.debug("Updating RIB with {}", ub.build());
71 this.targetRib.updateTables(this, ub.build());
76 private void fillMpReach(final UpdateBuilder ub, final Entry<InstanceIdentifier<?>, DataObject> data) {
77 if (data.getValue() instanceof Route) {
78 final Route r = (Route) data.getValue();
79 final MpReachNlriBuilder reachBuilder = new MpReachNlriBuilder();
80 final TablesKey key = data.getKey().firstKeyOf(Tables.class, TablesKey.class);
81 reachBuilder.setAfi(key.getAfi());
82 reachBuilder.setSafi(key.getSafi());
83 final AdjRIBsIn<?,Route> ribsIn = this.targetRib.getTable(key);
84 ribsIn.addAdvertisement(reachBuilder, (Route)data.getValue());
85 final AttributesBuilder pa = new AttributesBuilder();
86 pa.addAugmentation(Attributes1.class, new Attributes1Builder().setMpReachNlri(reachBuilder.build()).build());
87 this.addAttributes(pa, r.getAttributes());
88 pa.setCNextHop(reachBuilder.getCNextHop());
89 ub.setAttributes(pa.build());
90 LOG.debug("Updating RIB with {}", ub.build());
91 this.targetRib.updateTables(this, ub.build());
95 private void addAttributes(final AttributesBuilder pa, final Attributes a) {
97 pa.setAggregator(a.getAggregator());
98 pa.setAsPath(a.getAsPath());
99 pa.setAtomicAggregate(a.getAtomicAggregate());
100 pa.setClusterId(a.getClusterId());
101 pa.setCommunities(a.getCommunities());
102 pa.setExtendedCommunities(a.getExtendedCommunities());
103 pa.setLocalPref(a.getLocalPref());
104 pa.setMultiExitDisc(a.getMultiExitDisc());
105 pa.setOrigin(a.getOrigin());
106 pa.setOriginatorId(a.getOriginatorId());
111 public String getName() {
116 public void close() {
117 for (final BgpTableType t : this.targetRib.getLocalTables()) {
118 this.targetRib.clearTable(this, new TablesKey(t.getAfi(), t.getSafi()));
123 public byte[] getRawIdentifier() {
124 return Arrays.copyOf(this.rawIdentifier, this.rawIdentifier.length);