extension/openflowplugin-extension-onf/src/main/java/org/opendaylight/openflowplugin/extension/onf/deserializer/BundleControlFactory.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.extension.onf.deserializer;
  10
  11 import io.netty.buffer.ByteBuf;
  12 import java.util.ArrayList;
  13 import java.util.List;
  14 import org.opendaylight.openflowjava.protocol.api.extensibility.DeserializerRegistry;
  15 import org.opendaylight.openflowjava.protocol.api.extensibility.DeserializerRegistryInjector;
  16 import org.opendaylight.openflowjava.protocol.api.extensibility.OFDeserializer;
  17 import org.opendaylight.openflowjava.protocol.api.keys.ExperimenterIdTypeDeserializerKey;
  18 import org.opendaylight.openflowjava.protocol.api.util.EncodeConstants;
  19 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.types.rev130731.ExperimenterId;
  20 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowplugin.extension.onf.rev170124.BundleControlType;
  21 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowplugin.extension.onf.rev170124.BundleFlags;
  22 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowplugin.extension.onf.rev170124.BundleId;
  23 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowplugin.extension.onf.rev170124.BundlePropertyType;
  24 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowplugin.extension.onf.rev170124.bundle.common.grouping.BundleProperty;
  25 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowplugin.extension.onf.rev170124.bundle.common.grouping.BundlePropertyBuilder;
  26 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowplugin.extension.onf.rev170124.bundle.property.grouping.bundle.property.entry.BundlePropertyExperimenterBuilder;
  27 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowplugin.extension.onf.rev170124.bundle.property.grouping.bundle.property.entry.bundle.property.experimenter.BundlePropertyExperimenterData;
  28 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowplugin.extension.onf.rev170124.experimenter.input.experimenter.data.of.choice.BundleControlOnf;
  29 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowplugin.extension.onf.rev170124.experimenter.input.experimenter.data.of.choice.BundleControlOnfBuilder;
  30 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowplugin.extension.onf.rev170124.experimenter.input.experimenter.data.of.choice.bundle.control.onf.OnfControlGroupingDataBuilder;
  31
  32 /**
  33  * Translates BundleControl messages (OpenFlow v1.3 extension #230).
  34  */
  35 public class BundleControlFactory implements OFDeserializer<BundleControlOnf>, DeserializerRegistryInjector {
  36
  37     private DeserializerRegistry deserializerRegistry;
  38
  39     @Override
  40     public BundleControlOnf deserialize(ByteBuf message) {
  41         BundleId bundleId = new BundleId(message.readUnsignedInt());
  42         BundleControlType type = BundleControlType.forValue(message.readUnsignedShort());
  43         BundleFlags flags = createBundleFlags(message.readUnsignedShort());
  44         OnfControlGroupingDataBuilder builder = new OnfControlGroupingDataBuilder();
  45         List<BundleProperty> properties = createBundleProperties(message);
  46         builder.setBundleId(bundleId)
  47                .setType(type)
  48                .setFlags(flags)
  49                .setBundleProperty(properties);
  50         return new BundleControlOnfBuilder().setOnfControlGroupingData(builder.build()).build();
  51     }
  52
  53     private static BundleFlags createBundleFlags(final int flags) {
  54         Boolean isAtomic = (flags & 1 << 0) != 0;
  55         Boolean isOrdered = (flags & 1 << 1) != 0;
  56         return new BundleFlags(isAtomic, isOrdered);
  57     }
  58
  59     private List<BundleProperty> createBundleProperties(final ByteBuf message) {
  60         List<BundleProperty> properties = new ArrayList<>();
  61         while (message.readableBytes() > 0) {
  62             BundlePropertyType type = BundlePropertyType.forValue(message.readUnsignedShort());
  63             int length = message.readUnsignedShort();
  64             if (type != null && type.equals(BundlePropertyType.ONFETBPTEXPERIMENTER)) {
  65                 properties.add(createExperimenterBundleProperty(length, message));
  66             } else {
  67                 message.skipBytes(length);
  68             }
  69         }
  70         return properties;
  71     }
  72
  73     private BundleProperty createExperimenterBundleProperty(final int length, final ByteBuf message) {
  74         BundlePropertyExperimenterBuilder experimenterProperty = new BundlePropertyExperimenterBuilder();
  75         long experimenterId = message.readUnsignedInt();
  76         long expType = message.readUnsignedInt();
  77         experimenterProperty.setExperimenter(new ExperimenterId(experimenterId));
  78         experimenterProperty.setExpType(expType);
  79
  80         OFDeserializer<BundlePropertyExperimenterData> deserializer = deserializerRegistry.getDeserializer(
  81                 new ExperimenterIdTypeDeserializerKey(EncodeConstants.OF13_VERSION_ID, experimenterId, expType,
  82                         BundlePropertyExperimenterData.class));
  83         experimenterProperty.setBundlePropertyExperimenterData(
  84                 deserializer.deserialize(message.readBytes(length - 12)));
  85
  86         return new BundlePropertyBuilder().setType(BundlePropertyType.ONFETBPTEXPERIMENTER)
  87                 .setBundlePropertyEntry(experimenterProperty.build())
  88                 .build();
  89     }
  90
  91     @Override
  92     public void injectDeserializerRegistry(DeserializerRegistry registry) {
  93         this.deserializerRegistry = registry;
  94     }
  95
  96 }