2 * Copyright (c) 2016 Intel 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.honeycomb.vppnsh.impl.config;
19 import static com.google.common.base.Preconditions.checkNotNull;
20 import static com.google.common.base.Preconditions.checkState;
22 import io.fd.honeycomb.translate.MappingContext;
23 import io.fd.honeycomb.translate.spi.write.ListWriterCustomizer;
24 import io.fd.honeycomb.translate.vpp.util.ByteDataTranslator;
25 import io.fd.honeycomb.translate.vpp.util.JvppReplyConsumer;
26 import io.fd.honeycomb.translate.vpp.util.NamingContext;
27 import io.fd.honeycomb.translate.write.WriteContext;
28 import io.fd.honeycomb.translate.write.WriteFailedException;
29 import io.fd.honeycomb.vppnsh.impl.util.FutureJVppNshCustomizer;
30 import io.fd.vpp.jvpp.nsh.dto.NshAddDelMap;
31 import io.fd.vpp.jvpp.nsh.dto.NshAddDelMapReply;
32 import io.fd.vpp.jvpp.nsh.future.FutureJVppNsh;
33 import java.util.concurrent.CompletionStage;
34 import javax.annotation.Nonnull;
35 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.vpp.nsh.rev160624.Pop;
36 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.vpp.nsh.rev160624.Push;
37 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.vpp.nsh.rev160624.Swap;
38 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.vpp.nsh.rev160624.VxlanGpe;
39 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.vpp.nsh.rev160624.vpp.nsh.nsh.maps.NshMap;
40 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.vpp.nsh.rev160624.vpp.nsh.nsh.maps.NshMapKey;
41 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
42 import org.slf4j.Logger;
43 import org.slf4j.LoggerFactory;
46 * Writer customizer responsible for NshMap create/delete.
48 public class NshMapWriterCustomizer extends FutureJVppNshCustomizer
49 implements ListWriterCustomizer<NshMap, NshMapKey>, ByteDataTranslator, JvppReplyConsumer {
51 private static final Logger LOG = LoggerFactory.getLogger(NshMapWriterCustomizer.class);
52 private final NamingContext nshMapContext;
53 private final NamingContext interfaceContext;
55 public NshMapWriterCustomizer(@Nonnull final FutureJVppNsh futureJVppNsh,
56 @Nonnull final NamingContext nshMapContext,
57 @Nonnull final NamingContext interfaceContext) {
59 this.nshMapContext = checkNotNull(nshMapContext, "nshMapContext should not be null");
60 this.interfaceContext = checkNotNull(interfaceContext, "interfaceContext should not be null");
64 public void writeCurrentAttributes(@Nonnull final InstanceIdentifier<NshMap> id,
65 @Nonnull final NshMap dataAfter, @Nonnull final WriteContext writeContext)
66 throws WriteFailedException {
67 LOG.debug("Creating nsh map: iid={} dataAfter={}", id, dataAfter);
68 final int newMapIndex =
69 nshAddDelMap(true, id, dataAfter, ~0 /* value not present */, writeContext.getMappingContext());
71 // Add nsh map name <-> vpp index mapping to the naming context:
72 nshMapContext.addName(newMapIndex, dataAfter.getName(), writeContext.getMappingContext());
73 LOG.debug("Successfully created nsh map(id={]): iid={} dataAfter={}", newMapIndex, id, dataAfter);
77 public void updateCurrentAttributes(@Nonnull final InstanceIdentifier<NshMap> id,
78 @Nonnull final NshMap dataBefore, @Nonnull final NshMap dataAfter,
79 @Nonnull final WriteContext writeContext) throws WriteFailedException {
80 throw new UnsupportedOperationException("Nsh map update is not supported");
84 public void deleteCurrentAttributes(@Nonnull final InstanceIdentifier<NshMap> id,
85 @Nonnull final NshMap dataBefore,
86 @Nonnull final WriteContext writeContext) throws WriteFailedException {
87 LOG.debug("Removing nsh map: iid={} dataBefore={}", id, dataBefore);
88 final String mapName = dataBefore.getName();
89 checkState(nshMapContext.containsIndex(mapName, writeContext.getMappingContext()),
90 "Removing nsh map {}, but index could not be found in the nsh map context", mapName);
92 final int mapIndex = nshMapContext.getIndex(mapName, writeContext.getMappingContext());
93 nshAddDelMap(false, id, dataBefore, mapIndex, writeContext.getMappingContext());
95 // Remove deleted interface from interface context:
96 nshMapContext.removeName(dataBefore.getName(), writeContext.getMappingContext());
97 LOG.debug("Successfully removed nsh map(id={]): iid={} dataAfter={}", mapIndex, id, dataBefore);
100 private int nshAddDelMap(final boolean isAdd, @Nonnull final InstanceIdentifier<NshMap> id,
101 @Nonnull final NshMap map, final int mapId, final MappingContext ctx)
102 throws WriteFailedException {
103 final CompletionStage<NshAddDelMapReply> createNshMapReplyCompletionStage =
104 getFutureJVppNsh().nshAddDelMap(getNshAddDelMapRequest(isAdd, mapId, map, ctx));
106 final NshAddDelMapReply reply = getReplyForWrite(createNshMapReplyCompletionStage.toCompletableFuture(), id);
107 return reply.mapIndex;
111 private NshAddDelMap getNshAddDelMapRequest(final boolean isAdd, final int mapIndex,
112 @Nonnull final NshMap map,
113 @Nonnull final MappingContext ctx) {
114 final NshAddDelMap request = new NshAddDelMap();
115 request.isAdd = booleanToByte(isAdd);
117 request.nspNsi = (map.getNsp().intValue() << 8) | map.getNsi();
118 request.mappedNspNsi = (map.getMappedNsp().intValue() << 8) | map.getMappedNsi();
120 if (map.getNshAction() == Swap.class) {
121 request.nshAction = 0;
122 } else if (map.getNshAction() == Push.class) {
123 request.nshAction = 1;
124 } else if (map.getNshAction() == Pop.class) {
125 request.nshAction = 2;
128 if (map.getEncapType() == VxlanGpe.class) {
129 request.nextNode = 2;
132 checkState(interfaceContext.containsIndex(map.getEncapIfName(), ctx),
133 "Mapping does not contains mapping for provider interface Name ".concat(map.getEncapIfName()));
134 request.swIfIndex = interfaceContext.getIndex(map.getEncapIfName(), ctx);