openflow-protocol-impl/src/main/java/org/opendaylight/openflowjava/protocol/impl/serialization/factories/GetFeaturesOutputFactory.java

   1 /*
   2  * Copyright (c) 2015 NetIDE Consortium 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.openflowjava.protocol.impl.serialization.factories;
   9
  10 import io.netty.buffer.ByteBuf;
  11 import java.util.HashMap;
  12 import java.util.Map;
  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.yang.gen.v1.urn.opendaylight.openflow.common.types.rev130731.Capabilities;
  19 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.GetFeaturesOutput;
  20
  21 /**
  22  * @author giuseppex.petralia@intel.com
  23  *
  24  */
  25 public class GetFeaturesOutputFactory implements OFSerializer<GetFeaturesOutput>, SerializerRegistryInjector {
  26
  27     @SuppressWarnings("unused")
  28     private SerializerRegistry registry;
  29     private static final byte MESSAGE_TYPE = 6;
  30     private static final byte PADDING = 2;
  31
  32     @Override
  33     public void serialize(GetFeaturesOutput message, ByteBuf outBuffer) {
  34         ByteBufUtils.writeOFHeader(MESSAGE_TYPE, message, outBuffer, EncodeConstants.EMPTY_LENGTH);
  35         outBuffer.writeLong(message.getDatapathId().longValue());
  36         outBuffer.writeInt(message.getBuffers().intValue());
  37         outBuffer.writeByte(message.getTables().intValue());
  38         outBuffer.writeByte(message.getAuxiliaryId().intValue());
  39         outBuffer.writeZero(PADDING);
  40         writeCapabilities(message.getCapabilities(), outBuffer);
  41         outBuffer.writeInt(message.getReserved().intValue());
  42         ByteBufUtils.updateOFHeaderLength(outBuffer);
  43     }
  44
  45     @Override
  46     public void injectSerializerRegistry(final SerializerRegistry serializerRegistry) {
  47         this.registry = serializerRegistry;
  48     }
  49
  50     private static void writeCapabilities(Capabilities capabilities, ByteBuf outBuffer) {
  51         Map<Integer, Boolean> map = new HashMap<>();
  52         map.put(0, capabilities.isOFPCFLOWSTATS());
  53         map.put(1, capabilities.isOFPCTABLESTATS());
  54         map.put(2, capabilities.isOFPCPORTSTATS());
  55         map.put(3, capabilities.isOFPCGROUPSTATS());
  56         map.put(5, capabilities.isOFPCIPREASM());
  57         map.put(6, capabilities.isOFPCQUEUESTATS());
  58         map.put(8, capabilities.isOFPCPORTBLOCKED());
  59         int bitmap = ByteBufUtils.fillBitMaskFromMap(map);
  60         outBuffer.writeInt(bitmap);
  61     }
  62 }