openflow-protocol-impl/src/main/java/org/opendaylight/openflowjava/protocol/impl/serialization/factories/OF10PortModInputMessageFactory.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.PortConfigV10;
  19 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.types.rev130731.PortFeaturesV10;
  20 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.PortModInput;
  21
  22 /**
  23  * Translates PortMod messages
  24  * @author michal.polkorab
  25  */
  26 public class OF10PortModInputMessageFactory implements OFSerializer<PortModInput> {
  27
  28     private static final byte MESSAGE_TYPE = 15;
  29     private static final byte PADDING_IN_PORT_MOD_MESSAGE = 4;
  30     private static final int MESSAGE_LENGTH = 32;
  31
  32     private static OF10PortModInputMessageFactory instance;
  33
  34     private OF10PortModInputMessageFactory() {
  35         // singleton
  36     }
  37
  38     /**
  39      * @return singleton factory
  40      */
  41     public static synchronized OF10PortModInputMessageFactory getInstance() {
  42         if (instance == null) {
  43             instance = new OF10PortModInputMessageFactory();
  44         }
  45         return instance;
  46     }
  47
  48     @Override
  49     public void messageToBuffer(short version, ByteBuf out, PortModInput message) {
  50         ByteBufUtils.writeOFHeader(instance, message, out);
  51         out.writeShort(message.getPortNo().getValue().intValue());
  52         out.writeBytes(ByteBufUtils.macAddressToBytes(message.getHwAddress().getValue()));
  53         out.writeInt(createPortConfigBitmask(message.getConfigV10()));
  54         out.writeInt(createPortConfigBitmask(message.getMaskV10()));
  55         out.writeInt(createPortFeaturesBitmask(message.getAdvertiseV10()));
  56         ByteBufUtils.padBuffer(PADDING_IN_PORT_MOD_MESSAGE, out);
  57     }
  58
  59     @Override
  60     public int computeLength(PortModInput message) {
  61         return MESSAGE_LENGTH;
  62     }
  63
  64     @Override
  65     public byte getMessageType() {
  66         return MESSAGE_TYPE;
  67     }
  68
  69
  70     /**
  71      * @param config
  72      * @return port config bitmask
  73      */
  74     private static int createPortConfigBitmask(PortConfigV10 config) {
  75         int configBitmask = 0;
  76         Map<Integer, Boolean> portConfigMap = new HashMap<>();
  77         portConfigMap.put(0, config.isPortDown());
  78         portConfigMap.put(1, config.isNoStp());
  79         portConfigMap.put(2, config.isNoRecv());
  80         portConfigMap.put(3, config.isNoRecvStp());
  81         portConfigMap.put(4, config.isNoFlood());
  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(PortFeaturesV10 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.isCopper());
 100         portFeaturesMap.put(8, feature.isFiber());
 101         portFeaturesMap.put(9, feature.isAutoneg());
 102         portFeaturesMap.put(10, feature.isPause());
 103         portFeaturesMap.put(11, feature.isPauseAsym());
 104         configBitmask = ByteBufUtils.fillBitMaskFromMap(portFeaturesMap);
 105         return configBitmask;
 106     }
 107 }