2 * Copyright (c) 2016 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.honeycomb.translate.v3po.vppclassifier;
19 import static com.google.common.base.Preconditions.checkArgument;
20 import static com.google.common.base.Preconditions.checkNotNull;
22 import com.google.common.base.Optional;
23 import com.google.common.primitives.UnsignedInts;
24 import io.fd.honeycomb.translate.read.ReadContext;
25 import io.fd.honeycomb.translate.read.ReadFailedException;
26 import io.fd.honeycomb.translate.spi.read.Initialized;
27 import io.fd.honeycomb.translate.spi.read.InitializingListReaderCustomizer;
28 import io.fd.honeycomb.translate.v3po.interfacesstate.InterfaceDataTranslator;
29 import io.fd.honeycomb.translate.vpp.util.FutureJVppCustomizer;
30 import io.fd.honeycomb.translate.vpp.util.JvppReplyConsumer;
31 import io.fd.honeycomb.translate.vpp.util.MacTranslator;
32 import io.fd.vpp.jvpp.core.dto.ClassifyTableIds;
33 import io.fd.vpp.jvpp.core.dto.ClassifyTableIdsReply;
34 import io.fd.vpp.jvpp.core.dto.ClassifyTableInfo;
35 import io.fd.vpp.jvpp.core.dto.ClassifyTableInfoReply;
36 import io.fd.vpp.jvpp.core.future.FutureJVppCore;
37 import java.util.Arrays;
38 import java.util.Collections;
39 import java.util.List;
40 import java.util.stream.Collectors;
41 import javax.annotation.Nonnull;
42 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.yang.types.rev130715.HexString;
43 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.vpp.classifier.rev161214.VppClassifier;
44 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.vpp.classifier.rev161214.VppClassifierStateBuilder;
45 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.vpp.classifier.rev161214.VppNodeName;
46 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.vpp.classifier.rev161214.vpp.classifier.state.ClassifyTable;
47 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.vpp.classifier.rev161214.vpp.classifier.state.ClassifyTableBuilder;
48 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.vpp.classifier.rev161214.vpp.classifier.state.ClassifyTableKey;
49 import org.opendaylight.yangtools.concepts.Builder;
50 import org.opendaylight.yangtools.yang.binding.DataObject;
51 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
52 import org.slf4j.Logger;
53 import org.slf4j.LoggerFactory;
56 * Reader customizer responsible for classify table read.<br> to VPP.<br> Equivalent to invoking {@code vppctl show
57 * class table} command.
59 public class ClassifyTableReader extends FutureJVppCustomizer
60 implements InitializingListReaderCustomizer<ClassifyTable, ClassifyTableKey, ClassifyTableBuilder>, VppNodeReader,
61 MacTranslator, InterfaceDataTranslator, JvppReplyConsumer {
63 private static final Logger LOG = LoggerFactory.getLogger(ClassifyTableReader.class);
64 private final VppClassifierContextManager classifyTableContext;
66 public ClassifyTableReader(@Nonnull final FutureJVppCore futureJVppCore,
67 @Nonnull final VppClassifierContextManager classifyTableContext) {
68 super(futureJVppCore);
69 this.classifyTableContext = checkNotNull(classifyTableContext, "classifyTableContext should not be null");
74 public void merge(@Nonnull final Builder<? extends DataObject> builder,
75 @Nonnull final List<ClassifyTable> readData) {
76 ((VppClassifierStateBuilder) builder).setClassifyTable(readData);
81 public ClassifyTableBuilder getBuilder(@Nonnull final InstanceIdentifier<ClassifyTable> id) {
82 return new ClassifyTableBuilder();
86 public void readCurrentAttributes(@Nonnull final InstanceIdentifier<ClassifyTable> id,
87 @Nonnull final ClassifyTableBuilder builder, @Nonnull final ReadContext ctx)
88 throws ReadFailedException {
89 LOG.debug("Reading attributes for classify table: {}", id);
91 final ClassifyTableKey key = id.firstKeyOf(ClassifyTable.class);
92 checkArgument(key != null, "could not find ClassifyTable key in {}", id);
93 final ClassifyTableInfo request = new ClassifyTableInfo();
95 final String tableName = key.getName();
96 if (!classifyTableContext.containsTable(tableName, ctx.getMappingContext())) {
97 LOG.debug("Could not find classify table {} in the naming context", tableName);
100 request.tableId = classifyTableContext.getTableIndex(tableName, ctx.getMappingContext());
103 final ClassifyTableInfoReply reply =
104 getReplyForRead(getFutureJVpp().classifyTableInfo(request).toCompletableFuture(), id);
107 builder.setName(tableName);
109 builder.setNbuckets(UnsignedInts.toLong(reply.nbuckets));
110 builder.setSkipNVectors(UnsignedInts.toLong(reply.skipNVectors));
112 // optional value read from context
113 final Optional<String> tableBaseNode =
114 classifyTableContext.getTableBaseNode(tableName, ctx.getMappingContext());
115 if (tableBaseNode.isPresent()) {
116 builder.setClassifierNode(new VppNodeName(tableBaseNode.get()));
120 readVppNode(reply.tableId, reply.missNextIndex, classifyTableContext, ctx.getMappingContext(), LOG)
122 builder.setMask(new HexString(printHexBinary(reply.mask)));
123 builder.setActiveSessions(UnsignedInts.toLong(reply.activeSessions));
125 if (reply.nextTableIndex != ~0) {
126 // next table index is present:
127 builder.setNextTable(classifyTableContext.getTableName(reply.nextTableIndex, ctx.getMappingContext()));
130 if (LOG.isTraceEnabled()) {
131 LOG.trace("Attributes for classify table {} successfully read: {}", id, builder.build());
137 public List<ClassifyTableKey> getAllIds(@Nonnull final InstanceIdentifier<ClassifyTable> id,
138 @Nonnull final ReadContext context) throws ReadFailedException {
139 LOG.debug("Reading list of keys for classify tables: {}", id);
141 final ClassifyTableIdsReply classifyTableIdsReply =
142 getReplyForRead(getFutureJVpp().classifyTableIds(new ClassifyTableIds()).toCompletableFuture(),
144 if (classifyTableIdsReply.ids != null) {
145 return Arrays.stream(classifyTableIdsReply.ids).mapToObj(i -> {
146 final String tableName = classifyTableContext.getTableName(i, context.getMappingContext());
147 LOG.trace("Classify table with name: {} and index: {} found in VPP", tableName, i);
148 return new ClassifyTableKey(tableName);
149 }).collect(Collectors.toList());
151 return Collections.emptyList();
156 public Initialized<org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.vpp.classifier.rev161214.vpp.classifier.ClassifyTable> init(
157 @Nonnull final InstanceIdentifier<ClassifyTable> id, @Nonnull final ClassifyTable readValue,
158 @Nonnull final ReadContext ctx) {
159 return Initialized.create(getCfgId(id),
160 new org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.vpp.classifier.rev161214.vpp.classifier.ClassifyTableBuilder(readValue)
161 .setName(readValue.getName())
165 static InstanceIdentifier<org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.vpp.classifier.rev161214.vpp.classifier.ClassifyTable> getCfgId(
166 final InstanceIdentifier<ClassifyTable> id) {
167 return InstanceIdentifier.create(VppClassifier.class)
168 .child(org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.vpp.classifier.rev161214.vpp.classifier.ClassifyTable.class,
169 new org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.vpp.classifier.rev161214.vpp.classifier.ClassifyTableKey(id.firstKeyOf(ClassifyTable.class).getName()));