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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26 private static OF10ErrorMessageFactory instance;
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28 private OF10ErrorMessageFactory() {
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29 // do nothing, just singleton
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33 * @return singleton factory
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35 public static synchronized OF10ErrorMessageFactory getInstance() {
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36 if (instance == null) {
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37 instance = new OF10ErrorMessageFactory();
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43 public ErrorMessage bufferToMessage(ByteBuf rawMessage, short version) {
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44 ErrorMessageBuilder builder = new ErrorMessageBuilder();
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45 builder.setVersion(version);
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46 builder.setXid(rawMessage.readUnsignedInt());
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47 int type = rawMessage.readUnsignedShort();
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48 ErrorTypeV10 errorType = ErrorTypeV10.forValue(type);
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49 decodeType(builder, errorType, type);
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50 decodeCode(rawMessage, builder, errorType);
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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 decodeType(ErrorMessageBuilder builder, ErrorTypeV10 type, int readValue) {
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59 builder.setType(type.getIntValue());
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60 builder.setTypeString(type.name());
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62 builder.setType(readValue);
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63 builder.setTypeString(UNKNOWN_TYPE);
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67 private static void decodeCode(ByteBuf rawMessage, ErrorMessageBuilder builder,
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68 ErrorTypeV10 type) {
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69 int code = rawMessage.readUnsignedShort();
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74 HelloFailedCodeV10 errorCode = HelloFailedCodeV10.forValue(code);
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75 if (errorCode != null) {
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76 setCode(builder, errorCode.getIntValue(), errorCode.name());
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78 setUnknownCode(builder, code);
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84 BadRequestCodeV10 errorCode = BadRequestCodeV10.forValue(code);
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85 if (errorCode != null) {
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86 setCode(builder, errorCode.getIntValue(), errorCode.name());
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88 setUnknownCode(builder, code);
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94 BadActionCodeV10 errorCode = BadActionCodeV10.forValue(code);
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95 if (errorCode != null) {
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96 setCode(builder, errorCode.getIntValue(), errorCode.name());
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98 setUnknownCode(builder, code);
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102 case FLOWMODFAILED:
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104 FlowModFailedCodeV10 errorCode = FlowModFailedCodeV10.forValue(code);
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105 if (errorCode != null) {
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106 setCode(builder, errorCode.getIntValue(), errorCode.name());
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108 setUnknownCode(builder, code);
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112 case PORTMODFAILED:
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114 PortModFailedCodeV10 errorCode = PortModFailedCodeV10.forValue(code);
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115 if (errorCode != null) {
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116 setCode(builder, errorCode.getIntValue(), errorCode.name());
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118 setUnknownCode(builder, code);
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122 case QUEUEOPFAILED:
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124 QueueOpFailedCodeV10 errorCode = QueueOpFailedCodeV10.forValue(code);
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125 if (errorCode != null) {
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126 setCode(builder, errorCode.getIntValue(), errorCode.name());
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128 setUnknownCode(builder, code);
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133 setUnknownCode(builder, code);
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137 setUnknownCode(builder, code);
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141 private static void setUnknownCode(ErrorMessageBuilder builder, int readValue) {
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142 builder.setCode(readValue);
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143 builder.setCodeString(UNKNOWN_CODE);
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146 private static void setCode(ErrorMessageBuilder builder, int code, String codeString) {
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147 builder.setCode(code);
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148 builder.setCodeString(codeString);
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