1 files changed, 147 insertions, 0 deletions
diff --git a/v3po/v3po2vpp/src/main/java/io/fd/honeycomb/translate/v3po/vppclassifier/ClassifyTableReader.java b/v3po/v3po2vpp/src/main/java/io/fd/honeycomb/translate/v3po/vppclassifier/ClassifyTableReader.java
new file mode 100644
index 000000000..6ad7b2151
--- /dev/null
+++ b/v3po/v3po2vpp/src/main/java/io/fd/honeycomb/translate/v3po/vppclassifier/ClassifyTableReader.java
@@ -0,0 +1,147 @@
+/*
+ * Copyright (c) 2016 Cisco and/or its affiliates.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at:
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package io.fd.honeycomb.translate.v3po.vppclassifier;
+
+import static com.google.common.base.Preconditions.checkArgument;
+import static com.google.common.base.Preconditions.checkNotNull;
+import static io.fd.honeycomb.translate.v3po.interfacesstate.InterfaceUtils.printHexBinary;
+
+import com.google.common.primitives.UnsignedInts;
+import io.fd.honeycomb.translate.read.ReadContext;
+import io.fd.honeycomb.translate.spi.read.ListReaderCustomizer;
+import io.fd.honeycomb.translate.read.ReadFailedException;
+import io.fd.honeycomb.translate.v3po.util.FutureJVppCustomizer;
+import io.fd.honeycomb.translate.v3po.util.NamingContext;
+import io.fd.honeycomb.translate.v3po.util.TranslateUtils;
+import java.util.Arrays;
+import java.util.Collections;
+import java.util.List;
+import java.util.stream.Collectors;
+import javax.annotation.Nonnull;
+import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.yang.types.rev130715.HexString;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.vpp.classifier.rev150603.VppClassifierStateBuilder;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.vpp.classifier.rev150603.vpp.classifier.state.ClassifyTable;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.vpp.classifier.rev150603.vpp.classifier.state.ClassifyTableBuilder;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.vpp.classifier.rev150603.vpp.classifier.state.ClassifyTableKey;
+import org.opendaylight.yangtools.concepts.Builder;
+import org.opendaylight.yangtools.yang.binding.DataObject;
+import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
+import org.openvpp.jvpp.VppBaseCallException;
+import org.openvpp.jvpp.dto.ClassifyTableIds;
+import org.openvpp.jvpp.dto.ClassifyTableIdsReply;
+import org.openvpp.jvpp.dto.ClassifyTableInfo;
+import org.openvpp.jvpp.dto.ClassifyTableInfoReply;
+import org.openvpp.jvpp.future.FutureJVpp;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+/**
+ * Reader customizer responsible for classify table read.<br> to VPP.<br> Equivalent to invoking {@code vppctl show
+ * class table} command.
+ */
+public class ClassifyTableReader extends FutureJVppCustomizer
+    implements ListReaderCustomizer<ClassifyTable, ClassifyTableKey, ClassifyTableBuilder>, VppNodeReader {
+
+    private static final Logger LOG = LoggerFactory.getLogger(ClassifyTableReader.class);
+    private final NamingContext classifyTableContext;
+
+    public ClassifyTableReader(@Nonnull final FutureJVpp futureJvpp,
+                               @Nonnull final NamingContext classifyTableContext) {
+        super(futureJvpp);
+        this.classifyTableContext = checkNotNull(classifyTableContext, "classifyTableContext should not be null");
+    }
+
+
+    @Override
+    public void merge(@Nonnull final Builder<? extends DataObject> builder,
+                      @Nonnull final List<ClassifyTable> readData) {
+        ((VppClassifierStateBuilder) builder).setClassifyTable(readData);
+    }
+
+    @Nonnull
+    @Override
+    public ClassifyTableBuilder getBuilder(@Nonnull final InstanceIdentifier<ClassifyTable> id) {
+        return new ClassifyTableBuilder();
+    }
+
+    @Override
+    public void readCurrentAttributes(@Nonnull final InstanceIdentifier<ClassifyTable> id,
+                                      @Nonnull final ClassifyTableBuilder builder, @Nonnull final ReadContext ctx)
+        throws ReadFailedException {
+        LOG.debug("Reading attributes for classify table: {}", id);
+
+        final ClassifyTableKey key = id.firstKeyOf(ClassifyTable.class);
+        checkArgument(key != null, "could not find ClassifyTable key in {}", id);
+        final ClassifyTableInfo request = new ClassifyTableInfo();
+
+        final String tableName = key.getName();
+        if (!classifyTableContext.containsIndex(tableName, ctx.getMappingContext())) {
+            LOG.debug("Could not find classify table {} in the naming context", tableName);
+            return;
+        }
+        request.tableId = classifyTableContext.getIndex(tableName, ctx.getMappingContext());
+
+        try {
+            final ClassifyTableInfoReply reply =
+                TranslateUtils.getReplyForRead(getFutureJVpp().classifyTableInfo(request).toCompletableFuture(), id);
+
+            // mandatory values:
+            builder.setName(tableName);
+            builder.setKey(key);
+            builder.setNbuckets(UnsignedInts.toLong(reply.nbuckets));
+            builder.setSkipNVectors(UnsignedInts.toLong(reply.skipNVectors));
+
+
+            builder.setMissNext(readVppNode(reply.missNextIndex, LOG));
+            builder.setMask(new HexString(printHexBinary(reply.mask)));
+            builder.setActiveSessions(UnsignedInts.toLong(reply.activeSessions));
+
+            if (reply.nextTableIndex != ~0) {
+                // next table index is present:
+                builder.setNextTable(classifyTableContext.getName(reply.nextTableIndex, ctx.getMappingContext()));
+            }
+
+            if (LOG.isTraceEnabled()) {
+                LOG.trace("Attributes for classify table {} successfully read: {}", id, builder.build());
+            }
+        } catch (VppBaseCallException e) {
+            throw new ReadFailedException(id, e);
+        }
+    }
+
+    @Nonnull
+    @Override
+    public List<ClassifyTableKey> getAllIds(@Nonnull final InstanceIdentifier<ClassifyTable> id,
+                                            @Nonnull final ReadContext context) throws ReadFailedException {
+        LOG.debug("Reading list of keys for classify tables: {}", id);
+        try {
+            final ClassifyTableIdsReply classifyTableIdsReply = TranslateUtils
+                .getReplyForRead(getFutureJVpp().classifyTableIds(new ClassifyTableIds()).toCompletableFuture(), id);
+            if (classifyTableIdsReply.ids != null) {
+                return Arrays.stream(classifyTableIdsReply.ids).mapToObj(i -> {
+                    final String tableName = classifyTableContext.getName(i, context.getMappingContext());
+                    LOG.trace("Classify table with name: {} and index: {} found in VPP", tableName, i);
+                    return new ClassifyTableKey(tableName);
+                }).collect(Collectors.toList());
+            } else {
+                return Collections.emptyList();
+            }
+        } catch (VppBaseCallException e) {
+            throw new ReadFailedException(id, e);
+        }
+    }
+}