openflowplugin-impl/src/main/java/org/opendaylight/openflowplugin/impl/protocol/serialization/multipart/MultipartRequestTableFeaturesSerializer.java

   1 /*
   2  * Copyright (c) 2017 Pantheon Technologies s.r.o. and others.  All rights reserved.
   3  *
   4  * This program and the accompanying materials are made available under the
   5  * terms of the Eclipse Public License v1.0 which accompanies this distribution,
   6  * and is available at http://www.eclipse.org/legal/epl-v10.html
   7  */
   8
   9 package org.opendaylight.openflowplugin.impl.protocol.serialization.multipart;
  10
  11 import io.netty.buffer.ByteBuf;
  12 import java.util.Objects;
  13 import java.util.Optional;
  14 import org.opendaylight.openflowjava.protocol.api.extensibility.OFSerializer;
  15 import org.opendaylight.openflowjava.protocol.api.extensibility.SerializerRegistry;
  16 import org.opendaylight.openflowjava.protocol.api.extensibility.SerializerRegistryInjector;
  17 import org.opendaylight.openflowjava.protocol.api.keys.MessageTypeKey;
  18 import org.opendaylight.openflowjava.protocol.api.util.EncodeConstants;
  19 import org.opendaylight.openflowjava.util.ByteBufUtils;
  20 import org.opendaylight.yang.gen.v1.urn.opendaylight.multipart.types.rev170112.multipart.request.MultipartRequestBody;
  21 import org.opendaylight.yang.gen.v1.urn.opendaylight.table.types.rev131026.multipart.request.multipart.request.body.MultipartRequestTableFeatures;
  22 import org.opendaylight.yang.gen.v1.urn.opendaylight.table.types.rev131026.table.feature.prop.type.TableFeaturePropType;
  23 import org.opendaylight.yang.gen.v1.urn.opendaylight.table.types.rev131026.table.features.table.features.TableProperties;
  24
  25 public class MultipartRequestTableFeaturesSerializer implements OFSerializer<MultipartRequestBody>,
  26         SerializerRegistryInjector {
  27
  28     private static final byte PADDING_IN_MULTIPART_REQUEST_TABLE_FEATURES_BODY = 5;
  29     private SerializerRegistry registry;
  30
  31     @Override
  32     public void serialize(final MultipartRequestBody multipartRequestBody, final ByteBuf byteBuf) {
  33         final MultipartRequestTableFeatures multipartRequestTableFeatures = MultipartRequestTableFeatures
  34             .class
  35             .cast(multipartRequestBody);
  36
  37         Optional
  38             .ofNullable(multipartRequestTableFeatures.getTableFeatures())
  39             .ifPresent(tableFeatures -> tableFeatures
  40                 .stream()
  41                 .filter(Objects::nonNull)
  42                 .forEach(tableFeature -> {
  43                     final int featureIndex = byteBuf.writerIndex();
  44                     byteBuf.writeShort(EncodeConstants.EMPTY_LENGTH);
  45                     byteBuf.writeByte(tableFeature.getTableId().byteValue());
  46                     byteBuf.writeZero(PADDING_IN_MULTIPART_REQUEST_TABLE_FEATURES_BODY);
  47                     byteBuf.writeBytes(tableFeature.getName().getBytes());
  48                     byteBuf.writeZero(32 - tableFeature.getName().getBytes().length);
  49                     byteBuf.writeLong(tableFeature.getMetadataMatch().longValue());
  50                     byteBuf.writeLong(tableFeature.getMetadataWrite().longValue());
  51                     byteBuf.writeInt(ByteBufUtils.fillBitMask(0, tableFeature.getConfig().isDEPRECATEDMASK()));
  52                     byteBuf.writeInt(tableFeature.getMaxEntries().intValue());
  53                     serializeProperties(tableFeature.getTableProperties(), byteBuf);
  54                     byteBuf.setShort(featureIndex, byteBuf.writerIndex() - featureIndex);
  55                 }));
  56     }
  57
  58     @SuppressWarnings("unchecked")
  59     private void serializeProperties(final TableProperties tableProperties, final ByteBuf byteBuf) {
  60         Optional
  61             .ofNullable(tableProperties)
  62             .flatMap(properties -> Optional.ofNullable(properties.getTableFeatureProperties()))
  63             .ifPresent(properties -> properties
  64                 .stream()
  65                 .filter(Objects::nonNull)
  66                 .forEach(property -> {
  67                     final Class<? extends TableFeaturePropType> clazz = (Class<? extends TableFeaturePropType>) property
  68                         .getTableFeaturePropType()
  69                         .getImplementedInterface();
  70
  71                     registry.<TableFeaturePropType, OFSerializer<TableFeaturePropType>>getSerializer(
  72                             new MessageTypeKey<>(EncodeConstants.OF13_VERSION_ID, clazz))
  73                         .serialize(property.getTableFeaturePropType(), byteBuf);
  74                 }));
  75     }
  76
  77     @Override
  78     public void injectSerializerRegistry(final SerializerRegistry serializerRegistry) {
  79         registry = serializerRegistry;
  80     }
  81 }