From e5ddeadb5b19272c11b08bc8378e08551393c0d8 Mon Sep 17 00:00:00 2001 From: Marek Gradzki Date: Wed, 13 Jul 2016 08:48:14 +0200 Subject: HONEYCOMB-49: VPP classifier model. Translation layer implementation Change-Id: I7d91f29f621fbb7ede9b3dd5d49a9b5c3ba58565 Signed-off-by: Marek Gradzki --- .../v3po/vppclassifier/ClassifyTableReader.java | 147 +++++++++++++++++++++ 1 file changed, 147 insertions(+) create mode 100644 v3po/v3po2vpp/src/main/java/io/fd/honeycomb/v3po/translate/v3po/vppclassifier/ClassifyTableReader.java (limited to 'v3po/v3po2vpp/src/main/java/io/fd/honeycomb/v3po/translate/v3po/vppclassifier/ClassifyTableReader.java') diff --git a/v3po/v3po2vpp/src/main/java/io/fd/honeycomb/v3po/translate/v3po/vppclassifier/ClassifyTableReader.java b/v3po/v3po2vpp/src/main/java/io/fd/honeycomb/v3po/translate/v3po/vppclassifier/ClassifyTableReader.java new file mode 100644 index 000000000..7f877ca49 --- /dev/null +++ b/v3po/v3po2vpp/src/main/java/io/fd/honeycomb/v3po/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.v3po.translate.v3po.vppclassifier; + +import static com.google.common.base.Preconditions.checkArgument; +import static com.google.common.base.Preconditions.checkNotNull; +import static io.fd.honeycomb.v3po.translate.v3po.interfacesstate.InterfaceUtils.printHexBinary; + +import com.google.common.primitives.UnsignedInts; +import io.fd.honeycomb.v3po.translate.read.ReadContext; +import io.fd.honeycomb.v3po.translate.read.ReadFailedException; +import io.fd.honeycomb.v3po.translate.spi.read.ListReaderCustomizer; +import io.fd.honeycomb.v3po.translate.v3po.util.FutureJVppCustomizer; +import io.fd.honeycomb.v3po.translate.v3po.util.NamingContext; +import io.fd.honeycomb.v3po.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.VppClassifierBuilder; +import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.vpp.classifier.rev150603.vpp.classifier.ClassifyTable; +import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.vpp.classifier.rev150603.vpp.classifier.ClassifyTableBuilder; +import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.vpp.classifier.rev150603.vpp.classifier.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.
to VPP.
Equivalent to invoking {@code vppctl show + * class table} command. + */ +public class ClassifyTableReader extends FutureJVppCustomizer + implements ListReaderCustomizer, 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 builder, + @Nonnull final List readData) { + ((VppClassifierBuilder) builder).setClassifyTable(readData); + } + + @Nonnull + @Override + public ClassifyTableBuilder getBuilder(@Nonnull final InstanceIdentifier id) { + return new ClassifyTableBuilder(); + } + + @Override + public void readCurrentAttributes(@Nonnull final InstanceIdentifier 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.setMissNextIndex(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 getAllIds(@Nonnull final InstanceIdentifier 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); + } + } +} -- cgit 1.2.3-korg