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

   1 /*
   2  * Copyright (c) 2013 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.factories;
  10
  11 import io.netty.buffer.ByteBuf;
  12
  13 import java.util.HashMap;
  14 import java.util.Map;
  15
  16 import org.opendaylight.openflowjava.protocol.impl.serialization.OFSerializer;
  17 import org.opendaylight.openflowjava.protocol.impl.util.ByteBufUtils;
  18 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.types.rev130731.PortConfig;
  19 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.types.rev130731.PortFeatures;
  20 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.PortModInput;
  21
  22 /**
  23  * Translates PortMod messages
  24  * @author timotej.kubas
  25  * @author michal.polkorab
  26  */
  27 public class PortModInputMessageFactory implements OFSerializer<PortModInput> {
  28     private static final byte MESSAGE_TYPE = 16;
  29     private static final byte PADDING_IN_PORT_MOD_MESSAGE_01 = 4;
  30     private static final byte PADDING_IN_PORT_MOD_MESSAGE_02 = 2;
  31     private static final byte PADDING_IN_PORT_MOD_MESSAGE_03 = 4;
  32     private static final int MESSAGE_LENGTH = 40;
  33     private static PortModInputMessageFactory instance;
  34
  35     private PortModInputMessageFactory() {
  36         // singleton
  37     }
  38
  39     /**
  40      * @return singleton factory
  41      */
  42     public static synchronized PortModInputMessageFactory getInstance() {
  43         if (instance == null) {
  44             instance = new PortModInputMessageFactory();
  45         }
  46         return instance;
  47     }
  48
  49     @Override
  50     public void messageToBuffer(short version, ByteBuf out, PortModInput message) {
  51         ByteBufUtils.writeOFHeader(instance, message, out);
  52         out.writeInt(message.getPortNo().getValue().intValue());
  53         ByteBufUtils.padBuffer(PADDING_IN_PORT_MOD_MESSAGE_01, out);
  54         out.writeBytes(ByteBufUtils.macAddressToBytes(message.getHwAddress().getValue()));
  55         ByteBufUtils.padBuffer(PADDING_IN_PORT_MOD_MESSAGE_02, out);
  56         out.writeInt(createPortConfigBitmask(message.getConfig()));
  57         out.writeInt(createPortConfigBitmask(message.getMask()));
  58         out.writeInt(createPortFeaturesBitmask(message.getAdvertise()));
  59         ByteBufUtils.padBuffer(PADDING_IN_PORT_MOD_MESSAGE_03, out);
  60     }
  61
  62     @Override
  63     public int computeLength(PortModInput message) {
  64         return MESSAGE_LENGTH;
  65     }
  66
  67     @Override
  68     public byte getMessageType() {
  69         return MESSAGE_TYPE;
  70     }
  71
  72
  73     /**
  74      * @param config
  75      * @return port config bitmask
  76      */
  77     private static int createPortConfigBitmask(PortConfig config) {
  78         int configBitmask = 0;
  79         Map<Integer, Boolean> portConfigMap = new HashMap<>();
  80         portConfigMap.put(0, config.isPortDown());
  81         portConfigMap.put(2, config.isNoRecv());
  82         portConfigMap.put(5, config.isNoFwd());
  83         portConfigMap.put(6, config.isNoPacketIn());
  84
  85         configBitmask = ByteBufUtils.fillBitMaskFromMap(portConfigMap);
  86         return configBitmask;
  87     }
  88
  89     private static int createPortFeaturesBitmask(PortFeatures feature) {
  90         int configBitmask = 0;
  91         Map<Integer, Boolean> portFeaturesMap = new HashMap<>();
  92         portFeaturesMap.put(0, feature.is_10mbHd());
  93         portFeaturesMap.put(1, feature.is_10mbFd());
  94         portFeaturesMap.put(2, feature.is_100mbHd());
  95         portFeaturesMap.put(3, feature.is_100mbFd());
  96         portFeaturesMap.put(4, feature.is_1gbHd());
  97         portFeaturesMap.put(5, feature.is_1gbFd());
  98         portFeaturesMap.put(6, feature.is_10gbFd());
  99         portFeaturesMap.put(7, feature.is_40gbFd());
 100         portFeaturesMap.put(8, feature.is_100gbFd());
 101         portFeaturesMap.put(9, feature.is_1tbFd());
 102         portFeaturesMap.put(10, feature.isOther());
 103         portFeaturesMap.put(11, feature.isCopper());
 104         portFeaturesMap.put(12, feature.isFiber());
 105         portFeaturesMap.put(13, feature.isAutoneg());
 106         portFeaturesMap.put(14, feature.isPause());
 107         portFeaturesMap.put(15, feature.isPauseAsym());
 108
 109         configBitmask = ByteBufUtils.fillBitMaskFromMap(portFeaturesMap);
 110         return configBitmask;
 111     }
 112 }