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
8 package org.opendaylight.protocol.bgp.openconfig.routing.policy.statement.conditions;
10 import static java.util.Objects.requireNonNull;
12 import com.google.common.cache.CacheBuilder;
13 import com.google.common.cache.CacheLoader;
14 import com.google.common.cache.LoadingCache;
15 import edu.umd.cs.findbugs.annotations.SuppressFBWarnings;
16 import java.util.Collections;
17 import java.util.List;
18 import java.util.Optional;
19 import java.util.concurrent.ExecutionException;
20 import org.apache.commons.lang3.StringUtils;
21 import org.opendaylight.mdsal.binding.api.DataBroker;
22 import org.opendaylight.mdsal.binding.api.ReadTransaction;
23 import org.opendaylight.mdsal.common.api.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.bgp.types.rev151009.AfiSafiType;
31 import org.opendaylight.yang.gen.v1.http.openconfig.net.yang.policy.types.rev151009.MatchSetOptionsRestrictedType;
32 import org.opendaylight.yang.gen.v1.http.openconfig.net.yang.routing.policy.rev151009.routing.policy.top.RoutingPolicy;
33 import org.opendaylight.yang.gen.v1.http.openconfig.net.yang.routing.policy.rev151009.routing.policy.top.routing.policy.DefinedSets;
34 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev180329.path.attributes.Attributes;
35 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.rib.rev180329.PeerRole;
36 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.odl.bgp._default.policy.rev180329.BgpRoleSets;
37 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.odl.bgp._default.policy.rev180329.MatchRoleSetCondition;
38 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.odl.bgp._default.policy.rev180329.match.role.set.condition.grouping.MatchRoleSet;
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.FromRole;
40 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;
41 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.odl.bgp._default.policy.rev180329.role.set.RoleSet;
42 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.odl.bgp._default.policy.rev180329.role.set.RoleSetKey;
43 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;
44 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
47 * Match a Peer Role (FROM, TO).
49 public final class MatchRoleSetHandler implements BgpConditionsAugmentationPolicy<MatchRoleSetCondition, Void> {
50 private static final InstanceIdentifier<RoleSets> ROLE_SET_IID
51 = InstanceIdentifier.create(RoutingPolicy.class).child(DefinedSets.class)
52 .augmentation(DefinedSets1.class).child(BgpDefinedSets.class)
53 .augmentation(BgpRoleSets.class).child(RoleSets.class);
54 private final DataBroker dataBroker;
55 private final LoadingCache<String, List<PeerRole>> roleSets = CacheBuilder.newBuilder()
56 .build(new CacheLoader<String, List<PeerRole>>() {
58 public List<PeerRole> load(final String key) throws ExecutionException, InterruptedException {
59 return loadRoleSets(key);
63 public MatchRoleSetHandler(final DataBroker dataBroker) {
64 this.dataBroker = requireNonNull(dataBroker);
67 @SuppressFBWarnings(value = "UPM_UNCALLED_PRIVATE_METHOD",
68 justification = "https://github.com/spotbugs/spotbugs/issues/811")
69 private List<PeerRole> loadRoleSets(final String key) throws ExecutionException, InterruptedException {
70 final ReadTransaction tr = this.dataBroker.newReadOnlyTransaction();
71 final Optional<RoleSet> result = tr.read(LogicalDatastoreType.CONFIGURATION,
72 ROLE_SET_IID.child(RoleSet.class, new RoleSetKey(key))).get();
73 if (!result.isPresent()) {
74 return Collections.emptyList();
76 return result.get().getRole();
80 public boolean matchImportCondition(
81 final Class<? extends AfiSafiType> afiSafi,
82 final RouteEntryBaseAttributes routeEntryInfo,
83 final BGPRouteEntryImportParameters importParameters,
84 final Void attributes,
85 final MatchRoleSetCondition conditions) {
86 return matchNeighborRoleSetCondition(importParameters.getFromPeerRole(), null,
87 conditions.getMatchRoleSet());
90 private boolean matchNeighborRoleSetCondition(final PeerRole fromPeerRole, final PeerRole toPeerRole,
91 final MatchRoleSet matchRoleSet) {
93 final FromRole from = matchRoleSet.getFromRole();
96 match = checkMatch(from.getRoleSet(), fromPeerRole, from.getMatchSetOptions());
98 if (match != null && !match) {
102 final ToRole to = matchRoleSet.getToRole();
104 match = checkMatch(to.getRoleSet(), toPeerRole, to.getMatchSetOptions());
110 private boolean checkMatch(final String roleSetName, final PeerRole role,
111 final MatchSetOptionsRestrictedType matchSetOptions) {
112 final List<PeerRole> roles = this.roleSets.getUnchecked(StringUtils
113 .substringBetween(roleSetName, "=\"", "\""));
115 final boolean found = roles.contains(role);
116 if (MatchSetOptionsRestrictedType.ANY.equals(matchSetOptions)) {
124 public boolean matchExportCondition(
125 final Class<? extends AfiSafiType> afiSafi,
126 final RouteEntryBaseAttributes routeEntryInfo,
127 final BGPRouteEntryExportParameters exportParameters,
128 final Void attributes,
129 final MatchRoleSetCondition conditions) {
130 return matchNeighborRoleSetCondition(exportParameters.getFromPeerRole(),
131 exportParameters.getToPeerRole(), conditions.getMatchRoleSet());
135 public Void getConditionParameter(final Attributes attributes) {