openflowplugin/src/main/java/org/opendaylight/openflowplugin/openflow/md/core/sal/convertor/FlowStatsResponseConvertor.java

   1 package org.opendaylight.openflowplugin.openflow.md.core.sal.convertor;
   2
   3 import java.util.ArrayList;
   4 import java.util.List;
   5
   6 import org.opendaylight.openflowplugin.openflow.md.core.sal.convertor.match.MatchConvertorImpl;
   7 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.yang.types.rev100924.Counter32;
   8 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.yang.types.rev100924.Counter64;
   9 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.statistics.rev130819.flow.and.statistics.map.list.FlowAndStatisticsMapList;
  10 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.statistics.rev130819.flow.and.statistics.map.list.FlowAndStatisticsMapListBuilder;
  11 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.types.rev131026.FlowModFlags;
  12 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.types.rev131026.flow.Instructions;
  13 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.types.rev131026.flow.InstructionsBuilder;
  14 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.types.rev131026.instruction.instruction.ApplyActionsCaseBuilder;
  15 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.types.rev131026.instruction.instruction.ClearActionsCaseBuilder;
  16 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.types.rev131026.instruction.instruction.GoToTableCaseBuilder;
  17 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.types.rev131026.instruction.instruction.WriteActionsCaseBuilder;
  18 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.types.rev131026.instruction.instruction.WriteMetadataCaseBuilder;
  19 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.types.rev131026.instruction.list.Instruction;
  20 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.types.rev131026.instruction.list.InstructionBuilder;
  21 import org.opendaylight.yang.gen.v1.urn.opendaylight.model.statistics.types.rev130925.duration.DurationBuilder;
  22 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.multipart.reply.multipart.reply.body.multipart.reply.flow._case.multipart.reply.flow.FlowStats;
  23
  24 /**
  25  * Class is an utility class for converting flow related statistics messages coming from openflow
  26  * switch to MD-SAL messages.
  27  * @author avishnoi@in.ibm.com
  28  *
  29  */
  30 public class FlowStatsResponseConvertor {
  31
  32     /**
  33      * Method returns the list of MD-SAL format flow statistics, converted flow Openflow
  34      * specific flow statistics.
  35      * @param allFlowStats
  36      * @return
  37      */
  38     public List<FlowAndStatisticsMapList> toSALFlowStatsList(List<FlowStats> allFlowStats){
  39
  40         List<FlowAndStatisticsMapList> convertedSALFlowStats = new ArrayList<FlowAndStatisticsMapList>();
  41
  42         for(FlowStats flowStats : allFlowStats){
  43             convertedSALFlowStats.add(toSALFlowStats(flowStats));
  44         }
  45
  46         return convertedSALFlowStats;
  47     }
  48
  49     /**
  50      * Method convert Openflow switch specific flow statistics to the MD-SAL format
  51      * flow statistics.
  52      * @param flowStats
  53      * @return
  54      */
  55     public FlowAndStatisticsMapList toSALFlowStats(FlowStats flowStats){
  56         FlowAndStatisticsMapListBuilder salFlowStatsBuilder = new FlowAndStatisticsMapListBuilder();
  57         salFlowStatsBuilder.setByteCount(new Counter64(flowStats.getByteCount()));
  58         salFlowStatsBuilder.setCookie(flowStats.getCookie());
  59
  60         DurationBuilder time = new DurationBuilder();
  61         time.setSecond(new Counter32(flowStats.getDurationSec()));
  62         time.setNanosecond(new Counter32(flowStats.getDurationNsec()));
  63         salFlowStatsBuilder.setDuration(time.build());
  64
  65         salFlowStatsBuilder.setFlags(
  66                 new FlowModFlags(flowStats.getFlags().isOFPFFCHECKOVERLAP(),
  67                         flowStats.getFlags().isOFPFFRESETCOUNTS(),
  68                         flowStats.getFlags().isOFPFFNOPKTCOUNTS(),
  69                         flowStats.getFlags().isOFPFFNOBYTCOUNTS(),
  70                         flowStats.getFlags().isOFPFFSENDFLOWREM()));
  71
  72         salFlowStatsBuilder.setHardTimeout(flowStats.getHardTimeout());
  73         salFlowStatsBuilder.setIdleTimeout(flowStats.getIdleTimeout());
  74         salFlowStatsBuilder.setPacketCount(new Counter64(flowStats.getPacketCount()));
  75         salFlowStatsBuilder.setPriority(flowStats.getPriority());
  76         salFlowStatsBuilder.setTableId(flowStats.getTableId());
  77         if(flowStats.getMatchV10() != null){
  78             salFlowStatsBuilder.setMatch(MatchConvertorImpl.fromOFMatchV10ToSALMatch(flowStats.getMatchV10()));
  79         }
  80         if(flowStats.getMatch() != null){
  81             salFlowStatsBuilder.setMatch(MatchConvertorImpl.fromOFMatchToSALMatch(flowStats.getMatch()));
  82         }
  83         if(flowStats.getInstructions()!= null){
  84             salFlowStatsBuilder.setInstructions(toSALInstruction(flowStats.getInstructions()));
  85         }
  86
  87         return salFlowStatsBuilder.build();
  88
  89     }
  90
  91     /**
  92      * Method convert Openflow 1.3+ specific instructions to MD-SAL format
  93      * flow instruction
  94      * Note: MD-SAL won't augment this data directly to the data store,
  95      * so key setting is not required. If user wants to augment this data
  96      * directly to the data store, key setting is required for each instructions.
  97      * @param instructions
  98      * @return
  99      */
 100     public Instructions toSALInstruction(
 101             List<org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.instruction.rev130731.instructions.Instructions> instructions) {
 102
 103         InstructionsBuilder instructionsBuilder = new InstructionsBuilder();
 104
 105         List<Instruction> salInstructionList = new ArrayList<Instruction>();
 106
 107         for(org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.instruction.rev130731.instructions.Instructions switchInst : instructions){
 108             if(switchInst instanceof org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.instruction.rev130731.ApplyActions){
 109                 InstructionBuilder instBuilder = new InstructionBuilder();
 110                 instBuilder.setInstruction(new ApplyActionsCaseBuilder().build());
 111                 salInstructionList.add(instBuilder.build());
 112             }else if(switchInst instanceof org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.instruction.rev130731.ClearActions){
 113                 InstructionBuilder instBuilder = new InstructionBuilder();
 114                 instBuilder.setInstruction(new ClearActionsCaseBuilder().build());
 115                 salInstructionList.add(instBuilder.build());
 116             }else if(switchInst instanceof org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.instruction.rev130731.GotoTable){
 117                 InstructionBuilder instBuilder = new InstructionBuilder();
 118                 instBuilder.setInstruction(new GoToTableCaseBuilder().build());
 119                 salInstructionList.add(instBuilder.build());
 120             }else if(switchInst instanceof org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.instruction.rev130731.WriteActions){
 121                 InstructionBuilder instBuilder = new InstructionBuilder();
 122                 instBuilder.setInstruction(new WriteActionsCaseBuilder().build());
 123                 salInstructionList.add(instBuilder.build());
 124             }else if(switchInst instanceof org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.instruction.rev130731.WriteMetadata){
 125                 InstructionBuilder instBuilder = new InstructionBuilder();
 126                 instBuilder.setInstruction(new WriteMetadataCaseBuilder().build());
 127                 salInstructionList.add(instBuilder.build());
 128             }
 129         }
 130         instructionsBuilder.setInstruction(salInstructionList);
 131         return instructionsBuilder.build();
 132     }
 133 }