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

   1 package org.opendaylight.openflowplugin.openflow.md.core.sal.convertor;
   2
   3 import java.util.ArrayList;
   4 import java.util.Iterator;
   5 import java.util.List;
   6
   7 import org.opendaylight.openflowjava.protocol.api.util.BinContent;
   8 import org.opendaylight.yang.gen.v1.urn.opendaylight.group.service.rev130918.group.update.UpdatedGroup;
   9 import org.opendaylight.yang.gen.v1.urn.opendaylight.group.types.rev131018.group.Buckets;
  10 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.action.rev130731.actions.ActionsList;
  11 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.types.rev130731.GroupId;
  12 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.types.rev130731.GroupModCommand;
  13 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.types.rev130731.GroupType;
  14 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.types.rev130731.PortNumber;
  15 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.GroupModInput;
  16 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.GroupModInputBuilder;
  17 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.buckets.BucketsList;
  18 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.buckets.BucketsListBuilder;
  19 import org.slf4j.Logger;
  20 import org.slf4j.LoggerFactory;
  21
  22 /**
  23  * This Utility class decodes the SAL - Group Mod Message and encodes into a OF
  24  * Library for the OFPT_GROUP_MOD Message. Input:SAL Layer Group command data.
  25  * Output:GroupModInput Message.
  26  *
  27  * @param <AddGroupInput>
  28  *
  29  */
  30 public final class GroupConvertor {
  31
  32     private static final Logger logger = LoggerFactory.getLogger(GroupConvertor.class);
  33     private static final String PREFIX_SEPARATOR = "/";
  34
  35     private static final  Integer DEFAULT_WEIGHT = new Integer(0);
  36     private static final Long OFPP_ANY = Long.parseLong("ffffffff", 16);
  37     private static final Long DEFAULT_WATCH_PORT = OFPP_ANY;
  38     private static final Long OFPG_ANY = Long.parseLong("ffffffff", 16);
  39     private static final Long DEFAULT_WATCH_GROUP = OFPG_ANY;
  40
  41     private GroupConvertor() {
  42
  43     }
  44
  45     public static GroupModInputBuilder toGroupModInput(
  46
  47     org.opendaylight.yang.gen.v1.urn.opendaylight.group.types.rev131018.Group source, short version) {
  48         List<BucketsList> bucketLists = null;
  49         GroupModInputBuilder groupModInputBuilder = new GroupModInputBuilder();
  50         if (source instanceof org.opendaylight.yang.gen.v1.urn.opendaylight.group.service.rev130918.AddGroupInput) {
  51             groupModInputBuilder.setCommand(GroupModCommand.OFPGCADD);
  52         } else if (source instanceof org.opendaylight.yang.gen.v1.urn.opendaylight.group.service.rev130918.RemoveGroupInput) {
  53             groupModInputBuilder.setCommand(GroupModCommand.OFPGCDELETE);
  54         } else if (source instanceof UpdatedGroup) {
  55             groupModInputBuilder.setCommand(GroupModCommand.OFPGCMODIFY);
  56         }
  57
  58         if (source.getGroupType().getIntValue() == 0) {
  59             groupModInputBuilder.setType(GroupType.OFPGTALL);
  60         }
  61
  62         if (source.getGroupType().getIntValue() == 1) {
  63             groupModInputBuilder.setType(GroupType.OFPGTSELECT);
  64         }
  65
  66         if (source.getGroupType().getIntValue() == 2) {
  67             groupModInputBuilder.setType(GroupType.OFPGTINDIRECT);
  68         }
  69
  70         if (source.getGroupType().getIntValue() == 3) {
  71             groupModInputBuilder.setType(GroupType.OFPGTFF);
  72         }
  73
  74         groupModInputBuilder.setGroupId(new GroupId(source.getGroupId().getValue()));
  75         // Only if the bucket is configured for the group then add it
  76         if ((source.getBuckets() != null) && (source.getBuckets().getBucket().size() != 0)) {
  77
  78             bucketLists = new ArrayList<BucketsList>();
  79             getbucketList(source.getBuckets(), bucketLists, version, source.getGroupType().getIntValue());
  80             groupModInputBuilder.setBucketsList(bucketLists);
  81         }
  82         groupModInputBuilder.setVersion(version);
  83         return groupModInputBuilder;
  84
  85     }
  86
  87     private static void getbucketList(Buckets buckets, List<BucketsList> bucketLists, short version, int groupType) {
  88
  89         Iterator<org.opendaylight.yang.gen.v1.urn.opendaylight.group.types.rev131018.group.buckets.Bucket> groupBucketIterator = buckets
  90                 .getBucket().iterator();
  91         org.opendaylight.yang.gen.v1.urn.opendaylight.group.types.rev131018.group.buckets.Bucket groupBucket;
  92
  93         while (groupBucketIterator.hasNext()) {
  94             groupBucket = groupBucketIterator.next();
  95             BucketsListBuilder bucketBuilder = new BucketsListBuilder();
  96
  97             if ((groupType == GroupType.OFPGTSELECT.getIntValue()) && (groupBucket.getWeight() == null)) {
  98
  99                 logger.error("Weight value required for this OFPGT_SELECT");
 100
 101             }
 102
 103             if (null != groupBucket.getWeight()) {
 104                 bucketBuilder.setWeight(groupBucket.getWeight().intValue());
 105             } else {
 106                 bucketBuilder.setWeight(DEFAULT_WEIGHT);
 107             }
 108
 109             if ((groupType == GroupType.OFPGTFF.getIntValue()) && (groupBucket.getWatchGroup() == null)) {
 110
 111                 logger.error("WatchGroup required for this OFPGT_FF");
 112
 113             }
 114
 115             if (null != groupBucket.getWatchGroup()) {
 116                 bucketBuilder.setWatchGroup(groupBucket.getWatchGroup());
 117             } else {
 118                 bucketBuilder.setWatchGroup(BinContent.intToUnsignedLong(DEFAULT_WATCH_GROUP.intValue()));
 119             }
 120
 121             if ((groupType == GroupType.OFPGTFF.getIntValue()) && (groupBucket.getWatchPort() == null)) {
 122
 123                 logger.error("WatchPort required for this OFPGT_FF");
 124
 125             }
 126
 127             if (null != groupBucket.getWatchPort()) {
 128                 bucketBuilder.setWatchPort(new PortNumber(groupBucket.getWatchPort()));
 129             } else {
 130                 bucketBuilder.setWatchPort(new PortNumber(BinContent.intToUnsignedLong(DEFAULT_WATCH_PORT.intValue())));
 131             }
 132
 133             List<ActionsList> bucketActionList = ActionConvertor.getActionList(groupBucket.getAction(), version);
 134             bucketBuilder.setActionsList(bucketActionList);
 135             BucketsList bucket = bucketBuilder.build();
 136             bucketLists.add(bucket);
 137         }
 138
 139     }
 140
 141 }