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;
21 import static io.fd.honeycomb.translate.v3po.interfacesstate.InterfaceUtils.printHexBinary;
23 import com.google.common.base.Optional;
24 import com.google.common.primitives.UnsignedInts;
25 import io.fd.honeycomb.translate.read.ReadContext;
26 import io.fd.honeycomb.translate.read.ReadFailedException;
27 import io.fd.honeycomb.translate.spi.read.ListReaderCustomizer;
28 import io.fd.honeycomb.translate.v3po.util.FutureJVppCustomizer;
29 import io.fd.honeycomb.translate.v3po.util.TranslateUtils;
30 import java.util.Arrays;
31 import java.util.Collections;
32 import java.util.List;
33 import java.util.stream.Collectors;
34 import javax.annotation.Nonnull;
35 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.yang.types.rev130715.HexString;
36 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.vpp.classifier.rev150603.VppClassifierStateBuilder;
37 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.vpp.classifier.rev150603.VppNodeName;
38 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.vpp.classifier.rev150603.vpp.classifier.state.ClassifyTable;
39 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.vpp.classifier.rev150603.vpp.classifier.state.ClassifyTableBuilder;
40 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.vpp.classifier.rev150603.vpp.classifier.state.ClassifyTableKey;
41 import org.opendaylight.yangtools.concepts.Builder;
42 import org.opendaylight.yangtools.yang.binding.DataObject;
43 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
44 import org.openvpp.jvpp.VppBaseCallException;
45 import org.openvpp.jvpp.core.dto.ClassifyTableIds;
46 import org.openvpp.jvpp.core.dto.ClassifyTableIdsReply;
47 import org.openvpp.jvpp.core.dto.ClassifyTableInfo;
48 import org.openvpp.jvpp.core.dto.ClassifyTableInfoReply;
49 import org.openvpp.jvpp.core.future.FutureJVppCore;
50 import org.slf4j.Logger;
51 import org.slf4j.LoggerFactory;
54 * Reader customizer responsible for classify table read.<br> to VPP.<br> Equivalent to invoking {@code vppctl show
55 * class table} command.
57 public class ClassifyTableReader extends FutureJVppCustomizer
58 implements ListReaderCustomizer<ClassifyTable, ClassifyTableKey, ClassifyTableBuilder>, VppNodeReader {
60 private static final Logger LOG = LoggerFactory.getLogger(ClassifyTableReader.class);
61 private final VppClassifierContextManager classifyTableContext;
63 public ClassifyTableReader(@Nonnull final FutureJVppCore futureJVppCore,
64 @Nonnull final VppClassifierContextManager classifyTableContext) {
65 super(futureJVppCore);
66 this.classifyTableContext = checkNotNull(classifyTableContext, "classifyTableContext should not be null");
71 public void merge(@Nonnull final Builder<? extends DataObject> builder,
72 @Nonnull final List<ClassifyTable> readData) {
73 ((VppClassifierStateBuilder) builder).setClassifyTable(readData);
78 public ClassifyTableBuilder getBuilder(@Nonnull final InstanceIdentifier<ClassifyTable> id) {
79 return new ClassifyTableBuilder();
83 public void readCurrentAttributes(@Nonnull final InstanceIdentifier<ClassifyTable> id,
84 @Nonnull final ClassifyTableBuilder builder, @Nonnull final ReadContext ctx)
85 throws ReadFailedException {
86 LOG.debug("Reading attributes for classify table: {}", id);
88 final ClassifyTableKey key = id.firstKeyOf(ClassifyTable.class);
89 checkArgument(key != null, "could not find ClassifyTable key in {}", id);
90 final ClassifyTableInfo request = new ClassifyTableInfo();
92 final String tableName = key.getName();
93 if (!classifyTableContext.containsTable(tableName, ctx.getMappingContext())) {
94 LOG.debug("Could not find classify table {} in the naming context", tableName);
97 request.tableId = classifyTableContext.getTableIndex(tableName, ctx.getMappingContext());
100 final ClassifyTableInfoReply reply =
101 TranslateUtils.getReplyForRead(getFutureJVpp().classifyTableInfo(request).toCompletableFuture(), id);
104 builder.setName(tableName);
106 builder.setNbuckets(UnsignedInts.toLong(reply.nbuckets));
107 builder.setSkipNVectors(UnsignedInts.toLong(reply.skipNVectors));
109 // optional value read from context
110 final Optional<String> tableBaseNode =
111 classifyTableContext.getTableBaseNode(tableName, ctx.getMappingContext());
112 if (tableBaseNode.isPresent()) {
113 builder.setClassifierNode(new VppNodeName(tableBaseNode.get()));
117 readVppNode(reply.tableId, reply.missNextIndex, classifyTableContext, ctx.getMappingContext(), LOG)
119 builder.setMask(new HexString(printHexBinary(reply.mask)));
120 builder.setActiveSessions(UnsignedInts.toLong(reply.activeSessions));
122 if (reply.nextTableIndex != ~0) {
123 // next table index is present:
124 builder.setNextTable(classifyTableContext.getTableName(reply.nextTableIndex, ctx.getMappingContext()));
127 if (LOG.isTraceEnabled()) {
128 LOG.trace("Attributes for classify table {} successfully read: {}", id, builder.build());
130 } catch (VppBaseCallException e) {
131 throw new ReadFailedException(id, e);
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 = TranslateUtils
142 .getReplyForRead(getFutureJVpp().classifyTableIds(new ClassifyTableIds()).toCompletableFuture(), id);
143 if (classifyTableIdsReply.ids != null) {
144 return Arrays.stream(classifyTableIdsReply.ids).mapToObj(i -> {
145 final String tableName = classifyTableContext.getTableName(i, context.getMappingContext());
146 LOG.trace("Classify table with name: {} and index: {} found in VPP", tableName, i);
147 return new ClassifyTableKey(tableName);
148 }).collect(Collectors.toList());
150 return Collections.emptyList();
152 } catch (VppBaseCallException e) {
153 throw new ReadFailedException(id, e);