openflowplugin-impl/src/main/java/org/opendaylight/openflowplugin/impl/device/BuildSwitchCapabilitiesOF13.java

   1 /*
   2  * Copyright (c) 2013 Cisco Systems, Inc. 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.device;
   9
  10 import com.google.common.collect.ImmutableSet;
  11 import org.opendaylight.openflowplugin.api.openflow.md.core.sal.BuildSwitchFeatures;
  12 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.inventory.rev130819.FeatureCapability;
  13 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.inventory.rev130819.FlowFeatureCapabilityFlowStats;
  14 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.inventory.rev130819.FlowFeatureCapabilityGroupStats;
  15 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.inventory.rev130819.FlowFeatureCapabilityIpReasm;
  16 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.inventory.rev130819.FlowFeatureCapabilityPortBlocked;
  17 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.inventory.rev130819.FlowFeatureCapabilityPortStats;
  18 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.inventory.rev130819.FlowFeatureCapabilityQueueStats;
  19 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.inventory.rev130819.FlowFeatureCapabilityTableStats;
  20 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.inventory.rev130819.flow.node.SwitchFeatures;
  21 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.inventory.rev130819.flow.node.SwitchFeaturesBuilder;
  22 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.GetFeaturesOutput;
  23
  24 /**
  25  * SwitchFeature builder for OF 1.3.
  26  */
  27 public final class BuildSwitchCapabilitiesOF13 implements BuildSwitchFeatures {
  28     private static final BuildSwitchCapabilitiesOF13 INSTANCE = new BuildSwitchCapabilitiesOF13();
  29
  30     private BuildSwitchCapabilitiesOF13() {
  31         // Hidden on purpose
  32     }
  33
  34     /**
  35      * Get singleton instance.
  36      *
  37      * @return instance
  38      */
  39     public static BuildSwitchCapabilitiesOF13 getInstance() {
  40         return INSTANCE;
  41     }
  42
  43     @Override
  44     public SwitchFeatures build(final GetFeaturesOutput features) {
  45         final var capabilities = features.getCapabilities();
  46         if (capabilities == null) {
  47             return null;
  48         }
  49
  50         final var builder = ImmutableSet.<Class<? extends FeatureCapability>>builder();
  51         if (capabilities.getOFPCFLOWSTATS()) {
  52             builder.add(FlowFeatureCapabilityFlowStats.class);
  53         }
  54         if (capabilities.getOFPCGROUPSTATS()) {
  55             builder.add(FlowFeatureCapabilityGroupStats.class);
  56         }
  57         if (capabilities.getOFPCIPREASM()) {
  58             builder.add(FlowFeatureCapabilityIpReasm.class);
  59         }
  60         if (capabilities.getOFPCPORTBLOCKED()) {
  61             builder.add(FlowFeatureCapabilityPortBlocked.class);
  62         }
  63         if (capabilities.getOFPCPORTSTATS()) {
  64             builder.add(FlowFeatureCapabilityPortStats.class);
  65         }
  66         if (capabilities.getOFPCQUEUESTATS()) {
  67             builder.add(FlowFeatureCapabilityQueueStats.class);
  68         }
  69         if (capabilities.getOFPCTABLESTATS()) {
  70             builder.add(FlowFeatureCapabilityTableStats.class);
  71         }
  72
  73         return new SwitchFeaturesBuilder()
  74             .setMaxBuffers(features.getBuffers())
  75             .setMaxTables(features.getTables())
  76             .setCapabilities(builder.build())
  77             .build();
  78     }
  79 }