1 /* Copyright (C)2013 Pantheon Technologies, s.r.o. All rights reserved. */
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2 package org.opendaylight.openflowjava.protocol.impl.deserialization.factories;
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4 import io.netty.buffer.ByteBuf;
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6 import org.opendaylight.openflowjava.protocol.impl.deserialization.OFDeserializer;
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7 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.types.rev130731.BadActionCodeV10;
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8 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.types.rev130731.BadRequestCodeV10;
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9 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.types.rev130731.ErrorTypeV10;
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10 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.types.rev130731.FlowModFailedCodeV10;
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11 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.types.rev130731.HelloFailedCodeV10;
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12 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.types.rev130731.PortModFailedCodeV10;
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13 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.types.rev130731.QueueOpFailedCodeV10;
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14 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.ErrorMessage;
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15 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.ErrorMessageBuilder;
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18 * Translates Error messages (OpenFlow v1.0)
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19 * @author michal.polkorab
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21 public class OF10ErrorMessageFactory implements OFDeserializer<ErrorMessage> {
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23 private static final String UNKNOWN_TYPE = "UNKNOWN_TYPE";
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24 private static final String UNKNOWN_CODE = "UNKNOWN_CODE";
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25 private static final int NO_CORRECT_ENUM_FOUND_VALUE = -1;
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27 private static OF10ErrorMessageFactory instance;
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29 private OF10ErrorMessageFactory() {
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30 // do nothing, just singleton
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34 * @return singleton factory
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36 public static synchronized OF10ErrorMessageFactory getInstance() {
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37 if (instance == null) {
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38 instance = new OF10ErrorMessageFactory();
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44 public ErrorMessage bufferToMessage(ByteBuf rawMessage, short version) {
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45 ErrorMessageBuilder builder = new ErrorMessageBuilder();
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46 builder.setVersion(version);
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47 builder.setXid(rawMessage.readUnsignedInt());
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48 ErrorTypeV10 type = ErrorTypeV10.forValue(rawMessage.readUnsignedShort());
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49 decodeType(builder, type);
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50 decodeCode(rawMessage, builder, type);
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51 if (rawMessage.readableBytes() > 0) {
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52 builder.setData(rawMessage.readBytes(rawMessage.readableBytes()).array());
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54 return builder.build();
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57 private static void decodeCode(ByteBuf rawMessage, ErrorMessageBuilder builder,
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58 ErrorTypeV10 type) {
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62 HelloFailedCodeV10 code = HelloFailedCodeV10.forValue(rawMessage.readUnsignedShort());
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64 builder.setCode(code.getIntValue());
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65 builder.setCodeString(code.name());
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71 BadRequestCodeV10 code = BadRequestCodeV10.forValue(rawMessage.readUnsignedShort());
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73 builder.setCode(code.getIntValue());
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74 builder.setCodeString(code.name());
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80 BadActionCodeV10 code = BadActionCodeV10.forValue(rawMessage.readUnsignedShort());
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82 builder.setCode(code.getIntValue());
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83 builder.setCodeString(code.name());
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89 FlowModFailedCodeV10 code = FlowModFailedCodeV10.forValue(rawMessage.readUnsignedShort());
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91 builder.setCode(code.getIntValue());
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92 builder.setCodeString(code.name());
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98 PortModFailedCodeV10 code = PortModFailedCodeV10.forValue(rawMessage.readUnsignedShort());
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100 builder.setCode(code.getIntValue());
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101 builder.setCodeString(code.name());
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105 case QUEUEOPFAILED:
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107 QueueOpFailedCodeV10 code = QueueOpFailedCodeV10.forValue(rawMessage.readUnsignedShort());
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108 if (code != null) {
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109 builder.setCode(code.getIntValue());
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110 builder.setCodeString(code.name());
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115 builder.setCode(NO_CORRECT_ENUM_FOUND_VALUE);
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116 builder.setCodeString(UNKNOWN_CODE);
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121 private static void decodeType(ErrorMessageBuilder builder, ErrorTypeV10 type) {
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122 if (type != null) {
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123 builder.setType(NO_CORRECT_ENUM_FOUND_VALUE);
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124 builder.setTypeString(type.name());
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126 builder.setType(NO_CORRECT_ENUM_FOUND_VALUE);
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127 builder.setTypeString(UNKNOWN_TYPE);
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