2 * Copyright (c) 2018 AT&T Intellectual Property. 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
9 package org.opendaylight.protocol.bgp.openconfig.routing.policy.statement.conditions;
11 import static java.util.Objects.requireNonNull;
13 import com.google.common.base.Optional;
14 import com.google.common.cache.CacheBuilder;
15 import com.google.common.cache.CacheLoader;
16 import com.google.common.cache.LoadingCache;
17 import java.util.Collections;
18 import java.util.List;
19 import java.util.concurrent.ExecutionException;
20 import org.apache.commons.lang3.StringUtils;
21 import org.opendaylight.controller.md.sal.binding.api.DataBroker;
22 import org.opendaylight.controller.md.sal.binding.api.ReadOnlyTransaction;
23 import org.opendaylight.controller.md.sal.common.api.data.LogicalDatastoreType;
24 import org.opendaylight.protocol.bgp.openconfig.routing.policy.spi.RouteEntryBaseAttributes;
25 import org.opendaylight.protocol.bgp.openconfig.routing.policy.spi.policy.condition.BgpConditionsAugmentationPolicy;
26 import org.opendaylight.protocol.bgp.rib.spi.policy.BGPRouteEntryExportParameters;
27 import org.opendaylight.protocol.bgp.rib.spi.policy.BGPRouteEntryImportParameters;
28 import org.opendaylight.yang.gen.v1.http.openconfig.net.yang.bgp.policy.rev151009.DefinedSets1;
29 import org.opendaylight.yang.gen.v1.http.openconfig.net.yang.bgp.policy.rev151009.routing.policy.defined.sets.BgpDefinedSets;
30 import org.opendaylight.yang.gen.v1.http.openconfig.net.yang.policy.types.rev151009.MatchSetOptionsRestrictedType;
31 import org.opendaylight.yang.gen.v1.http.openconfig.net.yang.routing.policy.rev151009.routing.policy.top.RoutingPolicy;
32 import org.opendaylight.yang.gen.v1.http.openconfig.net.yang.routing.policy.rev151009.routing.policy.top.routing.policy.DefinedSets;
33 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev180329.path.attributes.Attributes;
34 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.rib.rev180329.PeerRole;
35 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.odl.bgp._default.policy.rev180329.BgpRoleSets;
36 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.odl.bgp._default.policy.rev180329.MatchRoleSetCondition;
37 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.odl.bgp._default.policy.rev180329.match.role.set.condition.grouping.MatchRoleSet;
38 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.odl.bgp._default.policy.rev180329.match.role.set.condition.grouping.match.role.set.FromRole;
39 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.odl.bgp._default.policy.rev180329.match.role.set.condition.grouping.match.role.set.ToRole;
40 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.odl.bgp._default.policy.rev180329.role.set.RoleSet;
41 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.odl.bgp._default.policy.rev180329.role.set.RoleSetKey;
42 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.odl.bgp._default.policy.rev180329.routing.policy.defined.sets.bgp.defined.sets.RoleSets;
43 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
46 * Match a Peer Role (FROM, TO).
48 public final class MatchRoleSetHandler implements BgpConditionsAugmentationPolicy<MatchRoleSetCondition, Void> {
49 private static final InstanceIdentifier<RoleSets> ROLE_SET_IID
50 = InstanceIdentifier.create(RoutingPolicy.class).child(DefinedSets.class)
51 .augmentation(DefinedSets1.class).child(BgpDefinedSets.class)
52 .augmentation(BgpRoleSets.class).child(RoleSets.class);
53 private final DataBroker dataBroker;
54 private final LoadingCache<String, List<PeerRole>> roleSets = CacheBuilder.newBuilder()
55 .build(new CacheLoader<String, List<PeerRole>>() {
57 public List<PeerRole> load(final String key) throws ExecutionException, InterruptedException {
58 return loadRoleSets(key);
62 public MatchRoleSetHandler(final DataBroker dataBroker) {
63 this.dataBroker = requireNonNull(dataBroker);
66 private List<PeerRole> loadRoleSets(final String key) throws ExecutionException, InterruptedException {
67 final ReadOnlyTransaction tr = this.dataBroker.newReadOnlyTransaction();
68 final Optional<RoleSet> result = tr.read(LogicalDatastoreType.CONFIGURATION,
69 ROLE_SET_IID.child(RoleSet.class, new RoleSetKey(key))).get();
70 if (!result.isPresent()) {
71 return Collections.emptyList();
73 return result.get().getRole();
77 public boolean matchImportCondition(
78 final RouteEntryBaseAttributes routeEntryInfo,
79 final BGPRouteEntryImportParameters importParameters,
80 final Void attributes,
81 final MatchRoleSetCondition conditions) {
82 return matchNeighborRoleSetCondition(importParameters.getFromPeerRole(), null,
83 conditions.getMatchRoleSet());
86 private boolean matchNeighborRoleSetCondition(final PeerRole fromPeerRole, final PeerRole toPeerRole,
87 final MatchRoleSet matchRoleSet) {
89 final FromRole from = matchRoleSet.getFromRole();
92 match = checkMatch(from.getRoleSet(), fromPeerRole, from.getMatchSetOptions());
94 if (match != null && !match) {
98 final ToRole to = matchRoleSet.getToRole();
100 match = checkMatch(to.getRoleSet(), toPeerRole, to.getMatchSetOptions());
106 private boolean checkMatch(final String roleSetName, final PeerRole role,
107 final MatchSetOptionsRestrictedType matchSetOptions) {
108 final List<PeerRole> roles = this.roleSets.getUnchecked(StringUtils
109 .substringBetween(roleSetName, "=\"", "\""));
111 final boolean found = roles.contains(role);
112 if (MatchSetOptionsRestrictedType.ANY.equals(matchSetOptions)) {
120 public boolean matchExportCondition(
121 final RouteEntryBaseAttributes routeEntryInfo,
122 final BGPRouteEntryExportParameters exportParameters,
123 final Void attributes,
124 final MatchRoleSetCondition conditions) {
125 return matchNeighborRoleSetCondition(exportParameters.getFromPeerRole(),
126 exportParameters.getToPeerRole(), conditions.getMatchRoleSet());
130 public Void getConditionParameter(final Attributes attributes) {