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 java.math.BigInteger;
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7 import java.util.ArrayList;
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8 import java.util.List;
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10 import org.opendaylight.openflowjava.protocol.impl.deserialization.OFDeserializer;
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11 import org.opendaylight.openflowjava.protocol.impl.util.ByteBufUtils;
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12 import org.opendaylight.openflowjava.protocol.impl.util.EncodeConstants;
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13 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.yang.types.rev100924.MacAddress;
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14 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.types.rev130731.ActionTypeV10;
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15 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.types.rev130731.CapabilitiesV10;
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16 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.types.rev130731.PortConfigV10;
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17 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.types.rev130731.PortFeaturesV10;
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18 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.types.rev130731.PortStateV10;
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19 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.GetFeaturesOutput;
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20 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.GetFeaturesOutputBuilder;
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21 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.features.reply.PhyPort;
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22 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.features.reply.PhyPortBuilder;
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25 * Translates FeaturesReply messages (OpenFlow v1.0)
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26 * @author michal.polkorab
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28 public class OF10FeaturesReplyMessageFactory implements OFDeserializer<GetFeaturesOutput> {
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30 private static final byte PADDING_IN_FEATURES_REPLY_HEADER = 3;
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32 private static OF10FeaturesReplyMessageFactory instance;
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34 private OF10FeaturesReplyMessageFactory() {
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35 // do nothing, just singleton
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39 * @return singleton factory
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41 public static synchronized OF10FeaturesReplyMessageFactory getInstance() {
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42 if (instance == null) {
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43 instance = new OF10FeaturesReplyMessageFactory();
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49 public GetFeaturesOutput bufferToMessage(ByteBuf rawMessage, short version) {
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50 GetFeaturesOutputBuilder builder = new GetFeaturesOutputBuilder();
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51 builder.setVersion(version);
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52 builder.setXid(rawMessage.readUnsignedInt());
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53 byte[] datapathId = new byte[Long.SIZE/Byte.SIZE];
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54 rawMessage.readBytes(datapathId);
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55 builder.setDatapathId(new BigInteger(datapathId));
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56 builder.setBuffers(rawMessage.readUnsignedInt());
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57 builder.setTables(rawMessage.readUnsignedByte());
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58 rawMessage.skipBytes(PADDING_IN_FEATURES_REPLY_HEADER);
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59 builder.setCapabilitiesV10(createCapabilitiesV10(rawMessage.readUnsignedInt()));
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60 builder.setActionsV10(createActionsV10(rawMessage.readUnsignedInt()));
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61 List<PhyPort> ports = new ArrayList<>();
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62 while (rawMessage.readableBytes() > 0) {
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63 ports.add(deserializePort(rawMessage));
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65 builder.setPhyPort(ports);
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66 return builder.build();
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69 private static CapabilitiesV10 createCapabilitiesV10(long input) {
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70 final Boolean FLOW_STATS = (input & (1 << 0)) != 0;
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71 final Boolean TABLE_STATS = (input & (1 << 1)) != 0;
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72 final Boolean PORT_STATS = (input & (1 << 2)) != 0;
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73 final Boolean STP = (input & (1 << 3)) != 0;
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74 final Boolean RESERVED = (input & (1 << 4)) != 0;
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75 final Boolean IP_REASM = (input & (1 << 5)) != 0;
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76 final Boolean QUEUE_STATS = (input & (1 << 6)) != 0;
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77 final Boolean ARP_MATCH_IP = (input & (1 << 7)) != 0;
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78 return new CapabilitiesV10(ARP_MATCH_IP, FLOW_STATS, IP_REASM,
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79 PORT_STATS, QUEUE_STATS, RESERVED, STP, TABLE_STATS);
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82 private static ActionTypeV10 createActionsV10(long input) {
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83 final Boolean OUTPUT = (input & (1 << 0)) != 0;
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84 final Boolean SET_VLAN_VID = (input & (1 << 1)) != 0;
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85 final Boolean SET_VLAN_PCP = (input & (1 << 2)) != 0;
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86 final Boolean STRIP_VLAN = (input & (1 << 3)) != 0;
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87 final Boolean SET_DL_SRC = (input & (1 << 4)) != 0;
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88 final Boolean SET_DL_DST = (input & (1 << 5)) != 0;
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89 final Boolean SET_NW_SRC = (input & (1 << 6)) != 0;
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90 final Boolean SET_NW_DST = (input & (1 << 7)) != 0;
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91 final Boolean SET_NW_TOS = (input & (1 << 8)) != 0;
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92 final Boolean SET_TP_SRC = (input & (1 << 9)) != 0;
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93 final Boolean SET_TP_DST = (input & (1 << 10)) != 0;
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94 final Boolean ENQUEUE = (input & (1 << 11)) != 0;
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95 final Boolean VENDOR = (input & (1 << 12)) != 0;
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96 return new ActionTypeV10(ENQUEUE, OUTPUT, SET_DL_DST, SET_DL_SRC,
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97 SET_NW_DST, SET_NW_SRC, SET_NW_TOS, SET_TP_DST, SET_TP_SRC,
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98 SET_VLAN_PCP, SET_VLAN_VID, STRIP_VLAN, VENDOR);
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101 private static PhyPort deserializePort(ByteBuf rawMessage) {
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102 PhyPortBuilder builder = new PhyPortBuilder();
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103 builder.setPortNo((long) rawMessage.readUnsignedShort());
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104 byte[] address = new byte[EncodeConstants.MAC_ADDRESS_LENGTH];
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105 rawMessage.readBytes(address);
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106 builder.setHwAddr(new MacAddress(ByteBufUtils.macAddressToString(address)));
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107 builder.setName(ByteBufUtils.decodeNullTerminatedString(rawMessage, EncodeConstants.MAX_PORT_NAME_LENGTH));
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108 builder.setConfigV10(createPortConfig(rawMessage.readUnsignedInt()));
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109 builder.setStateV10(createPortState(rawMessage.readUnsignedInt()));
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110 builder.setCurrentFeaturesV10(createPortFeatures(rawMessage.readUnsignedInt()));
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111 builder.setAdvertisedFeaturesV10(createPortFeatures(rawMessage.readUnsignedInt()));
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112 builder.setSupportedFeaturesV10(createPortFeatures(rawMessage.readUnsignedInt()));
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113 builder.setPeerFeaturesV10(createPortFeatures(rawMessage.readUnsignedInt()));
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114 return builder.build();
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119 private static PortStateV10 createPortState(long input){
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120 final Boolean _linkDown = ((input) & (1<<0)) != 0;
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121 final Boolean _blocked = ((input) & (1<<1)) != 0;
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122 final Boolean _live = ((input) & (1<<2)) != 0;
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123 final Boolean _stpListen = ((input) & (0<<8)) != 0;
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124 final Boolean _stpLearn = ((input) & (1<<8)) != 0;
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125 final Boolean _stpForward = ((input) & (1<<9)) != 0; // equals 2 << 8
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126 final Boolean _stpBlock = (((input) & (1<<9)) != 0) && (((input) & (1<<8)) != 0); // equals 3 << 8
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127 final Boolean _stpMask = ((input) & (1<<10)) != 0; // equals 4 << 8
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128 return new PortStateV10(_blocked, _linkDown, _live, _stpBlock, _stpForward, _stpLearn, _stpListen, _stpMask);
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131 private static PortConfigV10 createPortConfig(long input){
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132 final Boolean _portDown = ((input) & (1<<0)) != 0;
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133 final Boolean _noStp = ((input) & (1<<1)) != 0;
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134 final Boolean _noRecv = ((input) & (1<<2)) != 0;
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135 final Boolean _noRecvStp = ((input) & (1<<3)) != 0;
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136 final Boolean _noFlood = ((input) & (1<<4)) != 0;
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137 final Boolean _noFwd = ((input) & (1<<5)) != 0;
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138 final Boolean _noPacketIn = ((input) & (1<<6)) != 0;
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139 return new PortConfigV10(_noFlood, _noFwd, _noPacketIn, _noRecv, _noRecvStp, _noStp, _portDown);
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142 private static PortFeaturesV10 createPortFeatures(long input){
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143 final Boolean _10mbHd = ((input) & (1<<0)) != 0;
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144 final Boolean _10mbFd = ((input) & (1<<1)) != 0;
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145 final Boolean _100mbHd = ((input) & (1<<2)) != 0;
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146 final Boolean _100mbFd = ((input) & (1<<3)) != 0;
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147 final Boolean _1gbHd = ((input) & (1<<4)) != 0;
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148 final Boolean _1gbFd = ((input) & (1<<5)) != 0;
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149 final Boolean _10gbFd = ((input) & (1<<6)) != 0;
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150 final Boolean _copper = ((input) & (1<<7)) != 0;
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151 final Boolean _fiber = ((input) & (1<<8)) != 0;
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152 final Boolean _autoneg = ((input) & (1<<9)) != 0;
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153 final Boolean _pause = ((input) & (1<<10)) != 0;
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154 final Boolean _pauseAsym = ((input) & (1<<11)) != 0;
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155 return new PortFeaturesV10(_100mbFd, _100mbHd, _10gbFd, _10mbFd, _10mbHd,
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156 _1gbFd, _1gbHd, _autoneg, _copper, _fiber, _pause, _pauseAsym);
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