2 * Copyright (c) 2017 Cisco and/or its affiliates.
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at:
8 * http://www.apache.org/licenses/LICENSE-2.0
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
17 package io.fd.hc2vpp.routing.write.factory;
19 import io.fd.hc2vpp.common.translate.util.NamingContext;
20 import io.fd.hc2vpp.fib.management.FibManagementIIds;
21 import io.fd.hc2vpp.routing.write.factory.base.BasicHopRequestFactory;
22 import io.fd.hc2vpp.routing.write.trait.RouteRequestProducer;
23 import io.fd.hc2vpp.vpp.classifier.context.VppClassifierContextManager;
24 import io.fd.honeycomb.translate.write.WriteContext;
25 import io.fd.vpp.jvpp.core.dto.IpAddDelRoute;
26 import java.util.Optional;
27 import javax.annotation.Nonnull;
28 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev130715.Ipv4Prefix;
29 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev130715.Ipv6Prefix;
30 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.ipv4.unicast.routing.rev180313.routing.control.plane.protocols.control.plane.protocol._static.routes.ipv4.Route;
31 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.routing.rev180313.next.hop.content.next.hop.options.TableLookupCase;
32 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.vpp.ipv4.unicast.routing.rev180319.VppIpv4RouteAttributesAugmentation;
33 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.vpp.ipv4.unicast.routing.rev180319.routing.control.plane.protocols.control.plane.protocol._static.routes.ipv4.route.VppIpv4Route;
34 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.vpp.ipv6.unicast.routing.rev180319.VppIpv6RouteAttributesAugmentation;
35 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.vpp.ipv6.unicast.routing.rev180319.routing.control.plane.protocols.control.plane.protocol._static.routes.ipv6.route.VppIpv6Route;
36 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.vpp.routing.rev180319.VppRouteAttributes;
37 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.vpp.fib.table.management.rev180521.Ipv4;
38 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.vpp.fib.table.management.rev180521.Ipv6;
39 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.vpp.fib.table.management.rev180521.VniReference;
40 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.vpp.fib.table.management.rev180521.vpp.fib.table.management.fib.tables.Table;
41 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.vpp.fib.table.management.rev180521.vpp.fib.table.management.fib.tables.TableKey;
42 import org.opendaylight.yangtools.yang.binding.KeyedInstanceIdentifier;
44 public class TableLookupRequestFactory extends BasicHopRequestFactory implements RouteRequestProducer {
47 private static final byte[] DEAGRAGATION_ADDRESS = new byte[4];
49 public TableLookupRequestFactory(@Nonnull final VppClassifierContextManager classifierContextManager,
50 @Nonnull final NamingContext interfaceContext,
51 @Nonnull final NamingContext routingProtocolContext) {
52 super(classifierContextManager, interfaceContext, routingProtocolContext);
55 public IpAddDelRoute createV4TableLookupRouteRequest(final boolean add,
56 @Nonnull final String parentProtocolName,
57 @Nonnull final Route route,
58 @Nonnull final WriteContext writeContext) {
60 final Ipv4Prefix prefix = route.getDestinationPrefix();
61 final byte[] destinationAddress = ipv4AddressPrefixToArray(prefix);
62 final byte destinationPrefix = extractPrefix(prefix);
63 final int primaryTableId = getRoutingProtocolContext().getIndex(parentProtocolName,
64 writeContext.getMappingContext());
65 final Long secondaryTableId = Optional.ofNullable(route.getNextHop().getNextHopOptions())
66 .filter(nextHopOptions -> nextHopOptions instanceof TableLookupCase)
67 .map(TableLookupCase.class::cast)
68 .map(TableLookupCase::getSecondaryVrf)
69 .map(VniReference::getValue)
70 .orElseThrow(() -> new IllegalArgumentException("Table lookup option not specified correctly"));
72 TableKey key = new TableKey(Ipv4.class, new VniReference(secondaryTableId));
73 KeyedInstanceIdentifier<Table, TableKey> fibIid = FibManagementIIds.FM_FIB_TABLES.child(Table.class, key);
74 if (!writeContext.readAfter(fibIid).isPresent()) {
75 throw new IllegalArgumentException(
76 String.format("Lookup table: %s not found for route: %s", secondaryTableId, route));
79 VppIpv4Route vppIpv4Route =
80 route.getAugmentation(VppIpv4RouteAttributesAugmentation.class) != null ? route.getAugmentation(
81 VppIpv4RouteAttributesAugmentation.class).getVppIpv4Route() : null;
83 final Optional<String> optClassifyTable = Optional.ofNullable(vppIpv4Route)
84 .map(VppRouteAttributes::getClassifyTable);
85 final byte classifyTableSet = booleanToByte(optClassifyTable.isPresent());
86 final byte classifyTableIndex = optClassifyTable
87 .map(tableName -> classifyTableIndex(tableName, getVppClassifierContextManager(),
88 writeContext.getMappingContext()))
89 .map(Integer::byteValue)
90 .orElse(DEFAULT_CLASSIFY_TABLE_INDEX);
92 return flaglessAddDelRouteRequest(booleanToByte(add), ~0, DEAGRAGATION_ADDRESS, (byte) 0, (byte) 0,
93 destinationAddress, destinationPrefix, (byte) 0, primaryTableId, secondaryTableId.intValue(),
94 classifyTableIndex, classifyTableSet);
97 public IpAddDelRoute createV6TableLookupRouteRequest(final boolean add,
98 @Nonnull final String parentProtocolName,
99 @Nonnull final org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.ipv6.unicast.routing.rev180313.routing.control.plane.protocols.control.plane.protocol._static.routes.ipv6.Route route,
100 @Nonnull final WriteContext writeContext) {
102 final Ipv6Prefix prefix = route.getDestinationPrefix();
103 final byte[] destinationAddress = ipv6AddressPrefixToArray(prefix);
104 final byte destinationPrefix = extractPrefix(prefix);
105 final int primaryTableId =
106 getRoutingProtocolContext().getIndex(parentProtocolName, writeContext.getMappingContext());
107 final Long secondaryTableId = Optional.ofNullable(route.getNextHop().getNextHopOptions())
108 .filter(nextHopOptions -> nextHopOptions instanceof TableLookupCase)
109 .map(TableLookupCase.class::cast)
110 .map(TableLookupCase::getSecondaryVrf)
111 .map(VniReference::getValue)
112 .orElseThrow(() -> new IllegalArgumentException("Table lookup option not specified correctly"));
114 TableKey key = new TableKey(Ipv6.class, new VniReference(secondaryTableId));
115 KeyedInstanceIdentifier<Table, TableKey> fibIid = FibManagementIIds.FM_FIB_TABLES.child(Table.class, key);
116 if (!writeContext.readAfter(fibIid).isPresent()) {
117 throw new IllegalArgumentException(
118 String.format("Lookup table: %s not found for route: %s", secondaryTableId, route));
121 VppIpv6Route vppIpv6Route = route.getAugmentation(VppIpv6RouteAttributesAugmentation.class) != null
122 ? route.getAugmentation(VppIpv6RouteAttributesAugmentation.class).getVppIpv6Route() : null;
124 final Optional<String> optClassifyTable = Optional.ofNullable(vppIpv6Route)
125 .map(VppRouteAttributes::getClassifyTable);
126 final byte classifyTableSet = booleanToByte(optClassifyTable.isPresent());
127 final byte classifyTableIndex = optClassifyTable
128 .map(tableName -> classifyTableIndex(tableName, getVppClassifierContextManager(),
129 writeContext.getMappingContext())).map(Integer::byteValue).orElse(DEFAULT_CLASSIFY_TABLE_INDEX);
131 return flaglessAddDelRouteRequest(booleanToByte(add), ~0, DEAGRAGATION_ADDRESS, (byte) 0, (byte) 1,
132 destinationAddress, destinationPrefix, (byte) 0, primaryTableId, secondaryTableId.intValue(),
133 classifyTableIndex, classifyTableSet);