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.math.BigInteger;
   4 import java.util.ArrayList;
   5 import java.util.Iterator;
   6 import java.util.List;
   7
   8 import org.opendaylight.openflowjava.protocol.api.util.BinContent;
   9 import org.opendaylight.yang.gen.v1.urn.opendaylight.group.service.rev130918.group.update.UpdatedGroup;
  10 import org.opendaylight.yang.gen.v1.urn.opendaylight.group.types.rev131018.group.Buckets;
  11 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.action.rev130731.actions.ActionsList;
  12 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.types.rev130731.GroupId;
  13 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.types.rev130731.GroupModCommand;
  14 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.types.rev130731.GroupType;
  15 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.types.rev130731.PortNumber;
  16 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.GroupModInput;
  17 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.GroupModInputBuilder;
  18 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.buckets.BucketsList;
  19 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.buckets.BucketsListBuilder;
  20 import org.slf4j.Logger;
  21 import org.slf4j.LoggerFactory;
  22
  23 /**
  24  * This Utility class decodes the SAL - Group Mod Message and encodes into a OF
  25  * Library for the OFPT_GROUP_MOD Message. Input:SAL Layer Group command data.
  26  * Output:GroupModInput Message.
  27  *
  28  * @param <AddGroupInput>
  29  *
  30  */
  31 public final class GroupConvertor {
  32
  33     private static final Logger logger = LoggerFactory.getLogger(GroupConvertor.class);
  34     private static final String PREFIX_SEPARATOR = "/";
  35
  36     private static final  Integer DEFAULT_WEIGHT = new Integer(0);
  37     private static final Long OFPP_ANY = Long.parseLong("ffffffff", 16);
  38     private static final Long DEFAULT_WATCH_PORT = OFPP_ANY;
  39     private static final Long OFPG_ANY = Long.parseLong("ffffffff", 16);
  40     private static final Long DEFAULT_WATCH_GROUP = OFPG_ANY;
  41
  42     private GroupConvertor() {
  43
  44     }
  45
  46     public static GroupModInputBuilder toGroupModInput(
  47
  48     org.opendaylight.yang.gen.v1.urn.opendaylight.group.types.rev131018.Group source, short version,BigInteger datapathid) {
  49         List<BucketsList> bucketLists = null;
  50         GroupModInputBuilder groupModInputBuilder = new GroupModInputBuilder();
  51         if (source instanceof org.opendaylight.yang.gen.v1.urn.opendaylight.group.service.rev130918.AddGroupInput) {
  52             groupModInputBuilder.setCommand(GroupModCommand.OFPGCADD);
  53         } else if (source instanceof org.opendaylight.yang.gen.v1.urn.opendaylight.group.service.rev130918.RemoveGroupInput) {
  54             groupModInputBuilder.setCommand(GroupModCommand.OFPGCDELETE);
  55         } else if (source instanceof UpdatedGroup) {
  56             groupModInputBuilder.setCommand(GroupModCommand.OFPGCMODIFY);
  57         }
  58
  59         if (source.getGroupType().getIntValue() == 0) {
  60             groupModInputBuilder.setType(GroupType.OFPGTALL);
  61         }
  62
  63         if (source.getGroupType().getIntValue() == 1) {
  64             groupModInputBuilder.setType(GroupType.OFPGTSELECT);
  65         }
  66
  67         if (source.getGroupType().getIntValue() == 2) {
  68             groupModInputBuilder.setType(GroupType.OFPGTINDIRECT);
  69         }
  70
  71         if (source.getGroupType().getIntValue() == 3) {
  72             groupModInputBuilder.setType(GroupType.OFPGTFF);
  73         }
  74
  75         groupModInputBuilder.setGroupId(new GroupId(source.getGroupId().getValue()));
  76         // Only if the bucket is configured for the group then add it
  77         if ((source.getBuckets() != null) && (source.getBuckets().getBucket().size() != 0)) {
  78
  79             bucketLists = new ArrayList<BucketsList>();
  80             getbucketList(source.getBuckets(), bucketLists, version, source.getGroupType().getIntValue(),datapathid);
  81             groupModInputBuilder.setBucketsList(bucketLists);
  82         }
  83         groupModInputBuilder.setVersion(version);
  84         return groupModInputBuilder;
  85
  86     }
  87
  88     private static void getbucketList(Buckets buckets, List<BucketsList> bucketLists, short version, int groupType,BigInteger datapathid) {
  89
  90         Iterator<org.opendaylight.yang.gen.v1.urn.opendaylight.group.types.rev131018.group.buckets.Bucket> groupBucketIterator = buckets
  91                 .getBucket().iterator();
  92         org.opendaylight.yang.gen.v1.urn.opendaylight.group.types.rev131018.group.buckets.Bucket groupBucket;
  93
  94         while (groupBucketIterator.hasNext()) {
  95             groupBucket = groupBucketIterator.next();
  96             BucketsListBuilder bucketBuilder = new BucketsListBuilder();
  97
  98             if ((groupType == GroupType.OFPGTSELECT.getIntValue()) && (groupBucket.getWeight() == null)) {
  99
 100                 logger.error("Weight value required for this OFPGT_SELECT");
 101
 102             }
 103
 104             if (null != groupBucket.getWeight()) {
 105                 bucketBuilder.setWeight(groupBucket.getWeight().intValue());
 106             } else {
 107                 bucketBuilder.setWeight(DEFAULT_WEIGHT);
 108             }
 109
 110             if ((groupType == GroupType.OFPGTFF.getIntValue()) && (groupBucket.getWatchGroup() == null)) {
 111
 112                 logger.error("WatchGroup required for this OFPGT_FF");
 113
 114             }
 115
 116             if (null != groupBucket.getWatchGroup()) {
 117                 bucketBuilder.setWatchGroup(groupBucket.getWatchGroup());
 118             } else {
 119                 bucketBuilder.setWatchGroup(BinContent.intToUnsignedLong(DEFAULT_WATCH_GROUP.intValue()));
 120             }
 121
 122             if ((groupType == GroupType.OFPGTFF.getIntValue()) && (groupBucket.getWatchPort() == null)) {
 123
 124                 logger.error("WatchPort required for this OFPGT_FF");
 125
 126             }
 127
 128             if (null != groupBucket.getWatchPort()) {
 129                 bucketBuilder.setWatchPort(new PortNumber(groupBucket.getWatchPort()));
 130             } else {
 131                 bucketBuilder.setWatchPort(new PortNumber(BinContent.intToUnsignedLong(DEFAULT_WATCH_PORT.intValue())));
 132             }
 133
 134             List<ActionsList> bucketActionList = ActionConvertor.getActionList(groupBucket.getAction(), version,datapathid);
 135             bucketBuilder.setActionsList(bucketActionList);
 136             BucketsList bucket = bucketBuilder.build();
 137             bucketLists.add(bucket);
 138         }
 139
 140     }
 141
 142 }