openflow-protocol-impl/src/main/java/org/opendaylight/openflowjava/protocol/impl/deserialization/factories/ErrorMessageFactory.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.deserialization.factories;
  10
  11 import io.netty.buffer.ByteBuf;
  12
  13 import org.opendaylight.openflowjava.protocol.impl.deserialization.OFDeserializer;
  14 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.augments.rev131002.ExperimenterError;
  15 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.augments.rev131002.ExperimenterErrorBuilder;
  16 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.types.rev130731.BadActionCode;
  17 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.types.rev130731.BadInstructionCode;
  18 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.types.rev130731.BadMatchCode;
  19 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.types.rev130731.BadRequestCode;
  20 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.types.rev130731.ErrorType;
  21 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.types.rev130731.FlowModFailedCode;
  22 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.types.rev130731.GroupModFailedCode;
  23 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.types.rev130731.HelloFailedCode;
  24 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.types.rev130731.MeterModFailedCode;
  25 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.types.rev130731.PortModFailedCode;
  26 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.types.rev130731.QueueOpFailedCode;
  27 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.types.rev130731.RoleRequestFailedCode;
  28 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.types.rev130731.SwitchConfigFailedCode;
  29 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.types.rev130731.TableFeaturesFailedCode;
  30 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.types.rev130731.TableModFailedCode;
  31 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.ErrorMessage;
  32 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.ErrorMessageBuilder;
  33
  34 /**
  35  * Translates Error messages
  36  * @author michal.polkorab
  37  * @author timotej.kubas
  38  */
  39 public class ErrorMessageFactory implements OFDeserializer<ErrorMessage> {
  40
  41     private static final String UNKNOWN_CODE = "UNKNOWN_CODE";
  42     private static final String UNKNOWN_TYPE = "UNKNOWN_TYPE";
  43
  44     private static ErrorMessageFactory instance;
  45
  46     private ErrorMessageFactory() {
  47         // do nothing, just singleton
  48     }
  49
  50     /**
  51      * @return singleton factory
  52      */
  53     public static synchronized ErrorMessageFactory getInstance() {
  54         if (instance == null) {
  55             instance = new ErrorMessageFactory();
  56         }
  57         return instance;
  58     }
  59
  60     @Override
  61     public ErrorMessage bufferToMessage(ByteBuf rawMessage, short version) {
  62         ErrorMessageBuilder builder = new ErrorMessageBuilder();
  63         builder.setVersion(version);
  64         builder.setXid(rawMessage.readUnsignedInt());
  65         int type = rawMessage.readUnsignedShort();
  66         ErrorType errorType = ErrorType.forValue(type);
  67         decodeType(builder, errorType, type);
  68         decodeCode(rawMessage, builder, errorType);
  69         if (rawMessage.readableBytes() > 0) {
  70             builder.setData(rawMessage.readBytes(rawMessage.readableBytes()).array());
  71         }
  72         return builder.build();
  73     }
  74
  75     private static void decodeType(ErrorMessageBuilder builder, ErrorType type, int readValue) {
  76         if (type != null) {
  77             builder.setType(type.getIntValue());
  78             builder.setTypeString(type.name());
  79         } else {
  80             builder.setType(readValue);
  81             builder.setTypeString(UNKNOWN_TYPE);
  82         }
  83     }
  84
  85     private static void decodeCode(ByteBuf rawMessage, ErrorMessageBuilder builder,
  86             ErrorType type) {
  87         int code = rawMessage.readUnsignedShort();
  88         if (type != null) {
  89             switch (type) {
  90             case HELLOFAILED:
  91             {
  92                 HelloFailedCode errorCode = HelloFailedCode.forValue(code);
  93                 if (errorCode != null) {
  94                     setCode(builder, errorCode.getIntValue(), errorCode.name());
  95                 } else {
  96                     setUnknownCode(builder, code);
  97                 }
  98                 break;
  99             }
 100             case BADREQUEST:
 101             {
 102                 BadRequestCode errorCode = BadRequestCode.forValue(code);
 103                 if (errorCode != null) {
 104                     setCode(builder, errorCode.getIntValue(), errorCode.name());
 105                 } else {
 106                     setUnknownCode(builder, code);
 107                 }
 108                 break;
 109             }
 110             case BADACTION:
 111             {
 112                 BadActionCode errorCode = BadActionCode.forValue(code);
 113                 if (errorCode != null) {
 114                     setCode(builder, errorCode.getIntValue(), errorCode.name());
 115                 } else {
 116                     setUnknownCode(builder, code);
 117                 }
 118                 break;
 119             }
 120             case BADINSTRUCTION:
 121             {
 122                 BadInstructionCode errorCode = BadInstructionCode.forValue(code);
 123                 if (errorCode != null) {
 124                     setCode(builder, errorCode.getIntValue(), errorCode.name());
 125                 } else {
 126                     setUnknownCode(builder, code);
 127                 }
 128                 break;
 129             }
 130             case BADMATCH:
 131             {
 132                 BadMatchCode errorCode = BadMatchCode.forValue(code);
 133                 if (errorCode != null) {
 134                     setCode(builder, errorCode.getIntValue(), errorCode.name());
 135                 } else {
 136                     setUnknownCode(builder, code);
 137                 }
 138                 break;
 139             }
 140             case FLOWMODFAILED:
 141             {
 142                 FlowModFailedCode errorCode = FlowModFailedCode.forValue(code);
 143                 if (errorCode != null) {
 144                     setCode(builder, errorCode.getIntValue(), errorCode.name());
 145                 } else {
 146                     setUnknownCode(builder, code);
 147                 }
 148                 break;
 149             }
 150             case GROUPMODFAILED:
 151             {
 152                 GroupModFailedCode errorCode = GroupModFailedCode.forValue(code);
 153                 if (errorCode != null) {
 154                     setCode(builder, errorCode.getIntValue(), errorCode.name());
 155                 } else {
 156                     setUnknownCode(builder, code);
 157                 }
 158                 break;
 159             }
 160             case PORTMODFAILED:
 161             {
 162                 PortModFailedCode errorCode = PortModFailedCode.forValue(code);
 163                 if (errorCode != null) {
 164                     setCode(builder, errorCode.getIntValue(), errorCode.name());
 165                 } else {
 166                     setUnknownCode(builder, code);
 167                 }
 168                 break;
 169             }
 170             case TABLEMODFAILED:
 171             {
 172                 TableModFailedCode errorCode = TableModFailedCode.forValue(code);
 173                 if (errorCode != null) {
 174                     setCode(builder, errorCode.getIntValue(), errorCode.name());
 175                 } else {
 176                     setUnknownCode(builder, code);
 177                 }
 178                 break;
 179             }
 180             case QUEUEOPFAILED:
 181             {
 182                 QueueOpFailedCode errorCode = QueueOpFailedCode.forValue(code);
 183                 if (errorCode != null) {
 184                     setCode(builder, errorCode.getIntValue(), errorCode.name());
 185                 } else {
 186                     setUnknownCode(builder, code);
 187                 }
 188                 break;
 189             }
 190             case SWITCHCONFIGFAILED:
 191             {
 192                 SwitchConfigFailedCode errorCode = SwitchConfigFailedCode.forValue(code);
 193                 if (errorCode != null) {
 194                     setCode(builder, errorCode.getIntValue(), errorCode.name());
 195                 } else {
 196                     setUnknownCode(builder, code);
 197                 }
 198                 break;
 199             }
 200             case ROLEREQUESTFAILED:
 201             {
 202                 RoleRequestFailedCode errorCode = RoleRequestFailedCode.forValue(code);
 203                 if (errorCode != null) {
 204                     setCode(builder, errorCode.getIntValue(), errorCode.name());
 205                 } else {
 206                     setUnknownCode(builder, code);
 207                 }
 208                 break;
 209             }
 210             case METERMODFAILED:
 211             {
 212                 MeterModFailedCode errorCode = MeterModFailedCode.forValue(code);
 213                 if (errorCode != null) {
 214                     setCode(builder, errorCode.getIntValue(), errorCode.name());
 215                 } else {
 216                     setUnknownCode(builder, code);
 217                 }
 218                 break;
 219             }
 220             case TABLEFEATURESFAILED:
 221             {
 222                 TableFeaturesFailedCode errorCode = TableFeaturesFailedCode.forValue(code);
 223                 if (errorCode != null) {
 224                     setCode(builder, errorCode.getIntValue(), errorCode.name());
 225                 } else {
 226                     setUnknownCode(builder, code);
 227                 }
 228                 break;
 229             }
 230             case EXPERIMENTER:
 231                 ExperimenterErrorBuilder expBuilder = new ExperimenterErrorBuilder();
 232                 expBuilder.setExpType(code);
 233                 expBuilder.setExperimenter(rawMessage.readUnsignedInt());
 234                 builder.addAugmentation(ExperimenterError.class, expBuilder.build());
 235                 break;
 236             default:
 237                 setUnknownCode(builder, code);
 238                 break;
 239             }
 240         } else {
 241             setUnknownCode(builder, code);
 242         }
 243     }
 244
 245     private static void setUnknownCode(ErrorMessageBuilder builder, int readValue) {
 246         builder.setCode(readValue);
 247         builder.setCodeString(UNKNOWN_CODE);
 248     }
 249
 250     private static void setCode(ErrorMessageBuilder builder, int code, String codeString) {
 251         builder.setCode(code);
 252         builder.setCodeString(codeString);
 253     }
 254
 255 }