openflow-protocol-impl/src/main/java/org/opendaylight/openflowjava/protocol/impl/serialization/experimenter/AbstractBundleMessageFactory.java

   1 /*
   2  * Copyright (c) 2016 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.openflowjava.protocol.impl.serialization.experimenter;
  10
  11 import io.netty.buffer.ByteBuf;
  12 import java.util.List;
  13 import org.opendaylight.openflowjava.protocol.api.extensibility.OFSerializer;
  14 import org.opendaylight.openflowjava.protocol.api.extensibility.SerializerRegistry;
  15 import org.opendaylight.openflowjava.protocol.api.extensibility.SerializerRegistryInjector;
  16 import org.opendaylight.openflowjava.protocol.api.util.EncodeConstants;
  17 import org.opendaylight.openflowjava.util.ByteBufUtils;
  18 import org.opendaylight.openflowjava.util.ExperimenterSerializerKeyFactory;
  19 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.approved.extensions.rev160802.BundleFlags;
  20 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.approved.extensions.rev160802.BundlePropertyType;
  21 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.approved.extensions.rev160802.bundle.properties.BundleProperty;
  22 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.approved.extensions.rev160802.bundle.properties.bundle.property.bundle.property.entry.BundleExperimenterProperty;
  23 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.approved.extensions.rev160802.bundle.properties.bundle.property.bundle.property.entry.bundle.experimenter.property.BundleExperimenterPropertyData;
  24 import org.opendaylight.yangtools.yang.binding.DataContainer;
  25 import org.slf4j.Logger;
  26 import org.slf4j.LoggerFactory;
  27
  28 /**
  29  * Abstract class for common stuff of bundle messages.
  30  */
  31 public abstract class AbstractBundleMessageFactory<T extends DataContainer> implements OFSerializer<T>,
  32         SerializerRegistryInjector {
  33
  34     private static final Logger LOG = LoggerFactory.getLogger(AbstractBundleMessageFactory.class);
  35     protected SerializerRegistry serializerRegistry;
  36
  37     @Override
  38     public void serialize(T input, ByteBuf outBuffer) {
  39         // to be extended
  40     }
  41
  42     @Override
  43     public void injectSerializerRegistry(SerializerRegistry serializerRegistry) {
  44         this.serializerRegistry = serializerRegistry;
  45     }
  46
  47     protected static void writeBundleFlags(final BundleFlags bundleFlags, final ByteBuf outBuffer) {
  48         int flagsBitMap = ByteBufUtils.fillBitMask(0, bundleFlags.isAtomic(), bundleFlags.isOrdered());
  49         outBuffer.writeShort(flagsBitMap);
  50     }
  51
  52     protected void writeBundleProperties(final List<BundleProperty> properties, final ByteBuf outBuffer) {
  53         for (BundleProperty property : properties) {
  54             BundlePropertyType type = property.getType();
  55             if (type != null && type.equals(BundlePropertyType.ONFETBPTEXPERIMENTER)) {
  56                 int startIndex = outBuffer.writerIndex();
  57                 outBuffer.writeShort(type.getIntValue());
  58                 int lengthIndex = outBuffer.writerIndex();
  59                 outBuffer.writeShort(EncodeConstants.EMPTY_LENGTH);
  60                 writeBundleExperimenterProperty(property, outBuffer);
  61                 outBuffer.setShort(lengthIndex, outBuffer.writerIndex() - startIndex);
  62             } else {
  63                 LOG.warn("lTrying to serialize unknown bundle property (type: {}), skipping", type.getIntValue() );
  64             }
  65         }
  66     }
  67
  68     protected void writeBundleExperimenterProperty(final BundleProperty bundleProperty, final ByteBuf outBuffer) {
  69         BundleExperimenterProperty property = (BundleExperimenterProperty) bundleProperty.getBundlePropertyEntry();
  70         int experimenterId = property.getExperimenter().getValue().intValue();
  71         int expType = property.getExpType().intValue();
  72         outBuffer.writeInt(experimenterId);
  73         outBuffer.writeInt(expType);
  74         OFSerializer<BundleExperimenterPropertyData> serializer = serializerRegistry.getSerializer(
  75                 ExperimenterSerializerKeyFactory.createBundlePropertySerializerKey(EncodeConstants.OF13_VERSION_ID,
  76                         experimenterId, expType));
  77         serializer.serialize(property.getBundleExperimenterPropertyData(), outBuffer);
  78     }
  79
  80 }