2 * Copyright (c) 2014 Ericsson India Global Services Pvt Ltd. and others. All rights reserved.
4 * This program and the accompanying materials are made available under the
5 * terms of the Eclipse Public License v1.0 which accompanies this distribution,
6 * and is available at http://www.eclipse.org/legal/epl-v10.html
8 package org.opendaylight.openflowplugin.openflow.md.core.sal.convertor;
10 import java.math.BigInteger;
11 import java.util.ArrayList;
12 import java.util.Collections;
13 import java.util.Comparator;
14 import java.util.List;
16 import org.opendaylight.openflowjava.protocol.api.util.BinContent;
17 import org.opendaylight.yang.gen.v1.urn.opendaylight.group.service.rev130918.AddGroupInput;
18 import org.opendaylight.yang.gen.v1.urn.opendaylight.group.service.rev130918.RemoveGroupInput;
19 import org.opendaylight.yang.gen.v1.urn.opendaylight.group.service.rev130918.group.update.UpdatedGroup;
20 import org.opendaylight.yang.gen.v1.urn.opendaylight.group.types.rev131018.GroupTypes;
21 import org.opendaylight.yang.gen.v1.urn.opendaylight.group.types.rev131018.group.Buckets;
22 import org.opendaylight.yang.gen.v1.urn.opendaylight.group.types.rev131018.group.buckets.Bucket;
23 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.action.rev150203.actions.grouping.Action;
24 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.types.rev130731.GroupId;
25 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.types.rev130731.GroupModCommand;
26 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.types.rev130731.GroupType;
27 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.types.rev130731.PortNumber;
28 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.GroupModInputBuilder;
29 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.buckets.grouping.BucketsList;
30 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.buckets.grouping.BucketsListBuilder;
31 import org.slf4j.Logger;
32 import org.slf4j.LoggerFactory;
35 * This Utility class decodes the SAL - Group Mod Message and encodes into a OF
36 * Library for the OFPT_GROUP_MOD Message. Input:SAL Layer Group command data.
37 * Output:GroupModInput Message.
41 public final class GroupConvertor {
43 private static final Logger LOG = LoggerFactory.getLogger(GroupConvertor.class);
45 private static final Integer DEFAULT_WEIGHT = 0;
46 private static final Long OFPP_ANY = Long.parseLong("ffffffff", 16);
47 private static final Long DEFAULT_WATCH_PORT = OFPP_ANY;
48 private static final Long OFPG_ANY = Long.parseLong("ffffffff", 16);
49 private static final Long DEFAULT_WATCH_GROUP = OFPG_ANY;
50 private static final Comparator<Bucket> comparator = new Comparator<Bucket>(){
52 public int compare(Bucket bucket1,
54 if(bucket1.getBucketId() == null || bucket2.getBucketId() == null) return 0;
55 return bucket1.getBucketId().getValue().compareTo(bucket2.getBucketId().getValue());
59 private GroupConvertor() {
63 public static GroupModInputBuilder toGroupModInput(
65 org.opendaylight.yang.gen.v1.urn.opendaylight.group.types.rev131018.Group source, short version,BigInteger datapathid) {
66 List<BucketsList> bucketLists = null;
67 GroupModInputBuilder groupModInputBuilder = new GroupModInputBuilder();
68 if (source instanceof AddGroupInput) {
69 groupModInputBuilder.setCommand(GroupModCommand.OFPGCADD);
70 } else if (source instanceof RemoveGroupInput) {
71 groupModInputBuilder.setCommand(GroupModCommand.OFPGCDELETE);
72 } else if (source instanceof UpdatedGroup) {
73 groupModInputBuilder.setCommand(GroupModCommand.OFPGCMODIFY);
76 if (GroupTypes.GroupAll.equals(source.getGroupType())) {
77 groupModInputBuilder.setType(GroupType.OFPGTALL);
80 if (GroupTypes.GroupSelect.equals(source.getGroupType())) {
81 groupModInputBuilder.setType(GroupType.OFPGTSELECT);
84 if (GroupTypes.GroupIndirect.equals(source.getGroupType())) {
85 groupModInputBuilder.setType(GroupType.OFPGTINDIRECT);
88 if (GroupTypes.GroupFf.equals(source.getGroupType())) {
89 groupModInputBuilder.setType(GroupType.OFPGTFF);
92 groupModInputBuilder.setGroupId(new GroupId(source.getGroupId().getValue()));
93 // Only if the bucket is configured for the group then add it
94 if ((source.getBuckets() != null) && (source.getBuckets().getBucket().size() != 0)) {
96 Collections.sort(source.getBuckets().getBucket(), comparator);
98 bucketLists = salToOFBucketList(source.getBuckets(), version, source.getGroupType().getIntValue(),datapathid);
99 groupModInputBuilder.setBucketsList(bucketLists);
101 groupModInputBuilder.setVersion(version);
102 return groupModInputBuilder;
106 private static List<BucketsList> salToOFBucketList(Buckets buckets, short version, int groupType,BigInteger datapathid) {
107 final List<BucketsList> bucketLists = new ArrayList<>();
108 for (org.opendaylight.yang.gen.v1.urn.opendaylight.group.types.rev131018.group.buckets.Bucket groupBucket : buckets
110 BucketsListBuilder bucketBuilder = new BucketsListBuilder();
112 salToOFBucketListWeight(groupBucket, bucketBuilder, groupType);
113 salToOFBucketListWatchGroup(groupBucket, bucketBuilder, groupType);
114 salToOFBucketListWatchPort(groupBucket, bucketBuilder, groupType);
116 List<Action> bucketActionList = ActionConvertor.getActions(groupBucket.getAction(), version, datapathid, null);
117 bucketBuilder.setAction(bucketActionList);
118 BucketsList bucket = bucketBuilder.build();
119 bucketLists.add(bucket);
125 private static void salToOFBucketListWatchPort(Bucket groupBucket, BucketsListBuilder bucketBuilder, int groupType) {
126 if (null != groupBucket.getWatchPort()) {
127 bucketBuilder.setWatchPort(new PortNumber(groupBucket.getWatchPort()));
129 bucketBuilder.setWatchPort(new PortNumber(BinContent.intToUnsignedLong(DEFAULT_WATCH_PORT.intValue())));
130 if (groupType == GroupType.OFPGTFF.getIntValue()) {
131 LOG.error("WatchPort required for this OFPGT_FF");
136 private static void salToOFBucketListWatchGroup(Bucket groupBucket, BucketsListBuilder bucketBuilder, int groupType) {
137 if (null != groupBucket.getWatchGroup()) {
138 bucketBuilder.setWatchGroup(groupBucket.getWatchGroup());
140 bucketBuilder.setWatchGroup(BinContent.intToUnsignedLong(DEFAULT_WATCH_GROUP.intValue()));
141 if (groupType == GroupType.OFPGTFF.getIntValue()) {
142 LOG.error("WatchGroup required for this OFPGT_FF");
147 private static void salToOFBucketListWeight(Bucket groupBucket, BucketsListBuilder bucketBuilder, int groupType) {
148 if (null != groupBucket.getWeight()) {
149 bucketBuilder.setWeight(groupBucket.getWeight().intValue());
151 bucketBuilder.setWeight(DEFAULT_WEIGHT);
152 if (groupType == GroupType.OFPGTSELECT.getIntValue()) {
153 LOG.error("Weight value required for this OFPGT_SELECT");