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 package org.opendaylight.openflowplugin.impl.protocol.serialization.multipart;
   9
  10 import static java.util.Objects.requireNonNull;
  11
  12 import io.netty.buffer.ByteBuf;
  13 import java.nio.charset.StandardCharsets;
  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.table.types.rev131026.multipart.request.multipart.request.body.MultipartRequestTableFeatures;
  21 import org.opendaylight.yang.gen.v1.urn.opendaylight.table.types.rev131026.table.feature.prop.type.TableFeaturePropType;
  22 import org.opendaylight.yang.gen.v1.urn.opendaylight.table.types.rev131026.table.features.TableFeatures;
  23 import org.opendaylight.yang.gen.v1.urn.opendaylight.table.types.rev131026.table.features.table.features.TableProperties;
  24 import org.opendaylight.yang.gen.v1.urn.opendaylight.table.types.rev131026.table.features.table.features.table.properties.TableFeatureProperties;
  25
  26 public class MultipartRequestTableFeaturesSerializer implements OFSerializer<MultipartRequestTableFeatures>,
  27         SerializerRegistryInjector {
  28     private static final byte PADDING_IN_MULTIPART_REQUEST_TABLE_FEATURES_BODY = 5;
  29
  30     private SerializerRegistry registry = null;
  31
  32     @Override
  33     public void serialize(final MultipartRequestTableFeatures multipartRequestTableFeatures, final ByteBuf byteBuf) {
  34         for (TableFeatures tableFeature : multipartRequestTableFeatures.nonnullTableFeatures().values()) {
  35             final int featureIndex = byteBuf.writerIndex();
  36             byteBuf.writeShort(EncodeConstants.EMPTY_LENGTH);
  37             byteBuf.writeByte(tableFeature.getTableId().byteValue());
  38             byteBuf.writeZero(PADDING_IN_MULTIPART_REQUEST_TABLE_FEATURES_BODY);
  39
  40             final byte[] nameBytes = tableFeature.getName().getBytes(StandardCharsets.UTF_8);
  41             byteBuf.writeBytes(nameBytes);
  42             byteBuf.writeZero(32 - nameBytes.length);
  43             // FIXME: use writeUint() instead of .longValue()/intValue() here
  44             byteBuf.writeLong(tableFeature.getMetadataMatch().longValue());
  45             byteBuf.writeLong(tableFeature.getMetadataWrite().longValue());
  46             byteBuf.writeInt(ByteBufUtils.fillBitMask(0, tableFeature.getConfig().getDEPRECATEDMASK()));
  47             byteBuf.writeInt(tableFeature.getMaxEntries().intValue());
  48             serializeProperties(tableFeature.getTableProperties(), byteBuf);
  49             byteBuf.setShort(featureIndex, byteBuf.writerIndex() - featureIndex);
  50         }
  51     }
  52
  53     @SuppressWarnings("unchecked")
  54     private void serializeProperties(final TableProperties tableProperties, final ByteBuf byteBuf) {
  55         if (tableProperties != null) {
  56             for (TableFeatureProperties property : tableProperties.nonnullTableFeatureProperties().values()) {
  57                 final Class<? extends TableFeaturePropType> clazz =
  58                     (Class<? extends TableFeaturePropType>) property.getTableFeaturePropType().implementedInterface();
  59
  60                 registry.<TableFeaturePropType, OFSerializer<TableFeaturePropType>>getSerializer(
  61                         new MessageTypeKey<>(EncodeConstants.OF_VERSION_1_3, clazz))
  62                             .serialize(property.getTableFeaturePropType(), byteBuf);
  63             }
  64         }
  65     }
  66
  67     @Override
  68     public void injectSerializerRegistry(final SerializerRegistry serializerRegistry) {
  69         registry = requireNonNull(serializerRegistry);
  70     }
  71 }