Madan Jampani | 551d0d2 | 2016-02-01 12:51:48 -0800 | [diff] [blame] | 1 | /* |
Brian O'Connor | a09fe5b | 2017-08-03 21:12:30 -0700 | [diff] [blame] | 2 | * Copyright 2016-present Open Networking Foundation |
Madan Jampani | 551d0d2 | 2016-02-01 12:51:48 -0800 | [diff] [blame] | 3 | * |
| 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| 5 | * you may not use this file except in compliance with the License. |
| 6 | * You may obtain a copy of the License at |
| 7 | * |
| 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 9 | * |
| 10 | * Unless required by applicable law or agreed to in writing, software |
| 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 13 | * See the License for the specific language governing permissions and |
| 14 | * limitations under the License. |
| 15 | */ |
| 16 | package org.onosproject.store.primitives.impl; |
| 17 | |
Jordan Halterman | c955df7 | 2017-02-04 20:43:28 -0800 | [diff] [blame] | 18 | import com.google.common.base.Charsets; |
| 19 | import com.google.common.collect.ImmutableSet; |
| 20 | import com.google.common.collect.Lists; |
| 21 | import com.google.common.collect.Maps; |
| 22 | import com.google.common.collect.Sets; |
| 23 | import com.google.common.hash.Hashing; |
Jordan Halterman | e7f363e | 2017-07-28 16:52:20 -0700 | [diff] [blame] | 24 | import org.onlab.util.HexString; |
Madan Jampani | 551d0d2 | 2016-02-01 12:51:48 -0800 | [diff] [blame] | 25 | import org.onosproject.cluster.PartitionId; |
| 26 | import org.onosproject.store.primitives.DistributedPrimitiveCreator; |
| 27 | import org.onosproject.store.service.AsyncAtomicCounter; |
Jordan Halterman | c955df7 | 2017-02-04 20:43:28 -0800 | [diff] [blame] | 28 | import org.onosproject.store.service.AsyncAtomicCounterMap; |
Jordan Halterman | 5a1053e | 2017-05-19 18:03:47 -0700 | [diff] [blame] | 29 | import org.onosproject.store.service.AsyncAtomicIdGenerator; |
Madan Jampani | 551d0d2 | 2016-02-01 12:51:48 -0800 | [diff] [blame] | 30 | import org.onosproject.store.service.AsyncAtomicValue; |
| 31 | import org.onosproject.store.service.AsyncConsistentMap; |
Aaron Kruglikov | 61582a0 | 2016-09-06 13:18:58 -0700 | [diff] [blame] | 32 | import org.onosproject.store.service.AsyncConsistentMultimap; |
Aaron Kruglikov | ed88ff6 | 2016-08-01 16:02:09 -0700 | [diff] [blame] | 33 | import org.onosproject.store.service.AsyncConsistentTreeMap; |
Madan Jampani | 551d0d2 | 2016-02-01 12:51:48 -0800 | [diff] [blame] | 34 | import org.onosproject.store.service.AsyncDistributedSet; |
Madan Jampani | 2914e4e | 2016-09-13 17:48:56 -0700 | [diff] [blame] | 35 | import org.onosproject.store.service.AsyncDocumentTree; |
Madan Jampani | 551d0d2 | 2016-02-01 12:51:48 -0800 | [diff] [blame] | 36 | import org.onosproject.store.service.AsyncLeaderElector; |
Madan Jampani | 551d0d2 | 2016-02-01 12:51:48 -0800 | [diff] [blame] | 37 | import org.onosproject.store.service.Serializer; |
Madan Jampani | 819d61d | 2016-07-25 20:29:43 -0700 | [diff] [blame] | 38 | import org.onosproject.store.service.WorkQueue; |
Madan Jampani | 551d0d2 | 2016-02-01 12:51:48 -0800 | [diff] [blame] | 39 | |
Jordan Halterman | c955df7 | 2017-02-04 20:43:28 -0800 | [diff] [blame] | 40 | import java.util.List; |
| 41 | import java.util.Map; |
| 42 | import java.util.Set; |
| 43 | import java.util.TreeMap; |
Jordan Halterman | 93fd012 | 2017-08-03 21:38:36 -0700 | [diff] [blame^] | 44 | import java.util.function.Function; |
Jordan Halterman | c955df7 | 2017-02-04 20:43:28 -0800 | [diff] [blame] | 45 | |
| 46 | import static com.google.common.base.Preconditions.checkNotNull; |
Madan Jampani | 551d0d2 | 2016-02-01 12:51:48 -0800 | [diff] [blame] | 47 | |
| 48 | /** |
| 49 | * {@code DistributedPrimitiveCreator} that federates responsibility for creating |
| 50 | * distributed primitives to a collection of other {@link DistributedPrimitiveCreator creators}. |
| 51 | */ |
| 52 | public class FederatedDistributedPrimitiveCreator implements DistributedPrimitiveCreator { |
Madan Jampani | 551d0d2 | 2016-02-01 12:51:48 -0800 | [diff] [blame] | 53 | private final TreeMap<PartitionId, DistributedPrimitiveCreator> members; |
| 54 | private final List<PartitionId> sortedMemberPartitionIds; |
Jordan Halterman | 93fd012 | 2017-08-03 21:38:36 -0700 | [diff] [blame^] | 55 | private final int buckets; |
Madan Jampani | 551d0d2 | 2016-02-01 12:51:48 -0800 | [diff] [blame] | 56 | |
Jordan Halterman | 93fd012 | 2017-08-03 21:38:36 -0700 | [diff] [blame^] | 57 | public FederatedDistributedPrimitiveCreator(Map<PartitionId, DistributedPrimitiveCreator> members, int buckets) { |
Madan Jampani | 551d0d2 | 2016-02-01 12:51:48 -0800 | [diff] [blame] | 58 | this.members = Maps.newTreeMap(); |
| 59 | this.members.putAll(checkNotNull(members)); |
| 60 | this.sortedMemberPartitionIds = Lists.newArrayList(members.keySet()); |
Jordan Halterman | 93fd012 | 2017-08-03 21:38:36 -0700 | [diff] [blame^] | 61 | this.buckets = buckets; |
Madan Jampani | 551d0d2 | 2016-02-01 12:51:48 -0800 | [diff] [blame] | 62 | } |
| 63 | |
| 64 | @Override |
Jordan Halterman | 2bf177c | 2017-06-29 01:49:08 -0700 | [diff] [blame] | 65 | public <K, V> AsyncConsistentMap<K, V> newAsyncConsistentMap(String name, Serializer serializer) { |
Madan Jampani | 551d0d2 | 2016-02-01 12:51:48 -0800 | [diff] [blame] | 66 | checkNotNull(name); |
| 67 | checkNotNull(serializer); |
Jordan Halterman | 93fd012 | 2017-08-03 21:38:36 -0700 | [diff] [blame^] | 68 | Map<PartitionId, AsyncConsistentMap<byte[], byte[]>> maps = |
Madan Jampani | 551d0d2 | 2016-02-01 12:51:48 -0800 | [diff] [blame] | 69 | Maps.transformValues(members, |
Jordan Halterman | 93fd012 | 2017-08-03 21:38:36 -0700 | [diff] [blame^] | 70 | partition -> DistributedPrimitives.newTranscodingMap( |
| 71 | partition.<String, byte[]>newAsyncConsistentMap(name, null), |
| 72 | HexString::toHexString, |
| 73 | HexString::fromHexString, |
| 74 | Function.identity(), |
| 75 | Function.identity())); |
| 76 | Hasher<byte[]> hasher = key -> { |
| 77 | int bucket = Math.abs(Hashing.murmur3_32().hashBytes(key).asInt()) % buckets; |
| 78 | return sortedMemberPartitionIds.get(Hashing.consistentHash(bucket, sortedMemberPartitionIds.size())); |
Madan Jampani | 551d0d2 | 2016-02-01 12:51:48 -0800 | [diff] [blame] | 79 | }; |
Jordan Halterman | 93fd012 | 2017-08-03 21:38:36 -0700 | [diff] [blame^] | 80 | AsyncConsistentMap<byte[], byte[]> partitionedMap = new PartitionedAsyncConsistentMap<>(name, maps, hasher); |
Jordan Halterman | e7f363e | 2017-07-28 16:52:20 -0700 | [diff] [blame] | 81 | return DistributedPrimitives.newTranscodingMap(partitionedMap, |
Jordan Halterman | 93fd012 | 2017-08-03 21:38:36 -0700 | [diff] [blame^] | 82 | key -> serializer.encode(key), |
| 83 | bytes -> serializer.decode(bytes), |
Jordan Halterman | e7f363e | 2017-07-28 16:52:20 -0700 | [diff] [blame] | 84 | value -> value == null ? null : serializer.encode(value), |
| 85 | bytes -> serializer.decode(bytes)); |
Madan Jampani | 551d0d2 | 2016-02-01 12:51:48 -0800 | [diff] [blame] | 86 | } |
| 87 | |
| 88 | @Override |
Jordan Halterman | 2bf177c | 2017-06-29 01:49:08 -0700 | [diff] [blame] | 89 | public <V> AsyncConsistentTreeMap<V> newAsyncConsistentTreeMap(String name, Serializer serializer) { |
| 90 | return getCreator(name).newAsyncConsistentTreeMap(name, serializer); |
Aaron Kruglikov | ed88ff6 | 2016-08-01 16:02:09 -0700 | [diff] [blame] | 91 | } |
| 92 | |
| 93 | @Override |
Jordan Halterman | 2bf177c | 2017-06-29 01:49:08 -0700 | [diff] [blame] | 94 | public <K, V> AsyncConsistentMultimap<K, V> newAsyncConsistentSetMultimap(String name, Serializer serializer) { |
| 95 | return getCreator(name).newAsyncConsistentSetMultimap(name, serializer); |
Aaron Kruglikov | 61582a0 | 2016-09-06 13:18:58 -0700 | [diff] [blame] | 96 | } |
| 97 | |
| 98 | @Override |
Jordan Halterman | 2bf177c | 2017-06-29 01:49:08 -0700 | [diff] [blame] | 99 | public <E> AsyncDistributedSet<E> newAsyncDistributedSet(String name, Serializer serializer) { |
| 100 | return DistributedPrimitives.newSetFromMap(newAsyncConsistentMap(name, serializer)); |
Madan Jampani | 551d0d2 | 2016-02-01 12:51:48 -0800 | [diff] [blame] | 101 | } |
| 102 | |
| 103 | @Override |
Jordan Halterman | 2bf177c | 2017-06-29 01:49:08 -0700 | [diff] [blame] | 104 | public <K> AsyncAtomicCounterMap<K> newAsyncAtomicCounterMap(String name, Serializer serializer) { |
| 105 | return getCreator(name).newAsyncAtomicCounterMap(name, serializer); |
Jordan Halterman | c955df7 | 2017-02-04 20:43:28 -0800 | [diff] [blame] | 106 | } |
| 107 | |
| 108 | @Override |
Jordan Halterman | 2bf177c | 2017-06-29 01:49:08 -0700 | [diff] [blame] | 109 | public AsyncAtomicCounter newAsyncCounter(String name) { |
| 110 | return getCreator(name).newAsyncCounter(name); |
Madan Jampani | 551d0d2 | 2016-02-01 12:51:48 -0800 | [diff] [blame] | 111 | } |
| 112 | |
| 113 | @Override |
Jordan Halterman | 2bf177c | 2017-06-29 01:49:08 -0700 | [diff] [blame] | 114 | public AsyncAtomicIdGenerator newAsyncIdGenerator(String name) { |
| 115 | return getCreator(name).newAsyncIdGenerator(name); |
Jordan Halterman | 5a1053e | 2017-05-19 18:03:47 -0700 | [diff] [blame] | 116 | } |
| 117 | |
| 118 | @Override |
Jordan Halterman | 2bf177c | 2017-06-29 01:49:08 -0700 | [diff] [blame] | 119 | public <V> AsyncAtomicValue<V> newAsyncAtomicValue(String name, Serializer serializer) { |
| 120 | return getCreator(name).newAsyncAtomicValue(name, serializer); |
Madan Jampani | 551d0d2 | 2016-02-01 12:51:48 -0800 | [diff] [blame] | 121 | } |
| 122 | |
| 123 | @Override |
Jordan Halterman | 2bf177c | 2017-06-29 01:49:08 -0700 | [diff] [blame] | 124 | public AsyncLeaderElector newAsyncLeaderElector(String name) { |
Madan Jampani | 27077eb | 2016-02-22 14:38:32 -0800 | [diff] [blame] | 125 | checkNotNull(name); |
| 126 | Map<PartitionId, AsyncLeaderElector> leaderElectors = |
| 127 | Maps.transformValues(members, |
Jordan Halterman | 2bf177c | 2017-06-29 01:49:08 -0700 | [diff] [blame] | 128 | partition -> partition.newAsyncLeaderElector(name)); |
Madan Jampani | 27077eb | 2016-02-22 14:38:32 -0800 | [diff] [blame] | 129 | Hasher<String> hasher = topic -> { |
Madan Jampani | 2843ec8 | 2016-06-02 14:08:16 -0700 | [diff] [blame] | 130 | int hashCode = Hashing.sha256().hashString(topic, Charsets.UTF_8).asInt(); |
| 131 | return sortedMemberPartitionIds.get(Math.abs(hashCode) % members.size()); |
Madan Jampani | 27077eb | 2016-02-22 14:38:32 -0800 | [diff] [blame] | 132 | }; |
| 133 | return new PartitionedAsyncLeaderElector(name, leaderElectors, hasher); |
Madan Jampani | 551d0d2 | 2016-02-01 12:51:48 -0800 | [diff] [blame] | 134 | } |
| 135 | |
Madan Jampani | e14a09c | 2016-02-11 10:43:21 -0800 | [diff] [blame] | 136 | @Override |
Jordan Halterman | 2bf177c | 2017-06-29 01:49:08 -0700 | [diff] [blame] | 137 | public <E> WorkQueue<E> newWorkQueue(String name, Serializer serializer) { |
| 138 | return getCreator(name).newWorkQueue(name, serializer); |
Madan Jampani | 35708a9 | 2016-07-06 10:48:19 -0700 | [diff] [blame] | 139 | } |
| 140 | |
| 141 | @Override |
Jordan Halterman | 2bf177c | 2017-06-29 01:49:08 -0700 | [diff] [blame] | 142 | public <V> AsyncDocumentTree<V> newAsyncDocumentTree(String name, Serializer serializer) { |
| 143 | return getCreator(name).newAsyncDocumentTree(name, serializer); |
Madan Jampani | 2914e4e | 2016-09-13 17:48:56 -0700 | [diff] [blame] | 144 | } |
| 145 | |
| 146 | @Override |
Madan Jampani | e14a09c | 2016-02-11 10:43:21 -0800 | [diff] [blame] | 147 | public Set<String> getAsyncConsistentMapNames() { |
| 148 | return members.values() |
| 149 | .stream() |
| 150 | .map(DistributedPrimitiveCreator::getAsyncConsistentMapNames) |
| 151 | .reduce(Sets::union) |
| 152 | .orElse(ImmutableSet.of()); |
| 153 | } |
| 154 | |
| 155 | @Override |
| 156 | public Set<String> getAsyncAtomicCounterNames() { |
| 157 | return members.values() |
| 158 | .stream() |
| 159 | .map(DistributedPrimitiveCreator::getAsyncAtomicCounterNames) |
| 160 | .reduce(Sets::union) |
| 161 | .orElse(ImmutableSet.of()); |
| 162 | } |
| 163 | |
Madan Jampani | 35708a9 | 2016-07-06 10:48:19 -0700 | [diff] [blame] | 164 | @Override |
| 165 | public Set<String> getWorkQueueNames() { |
| 166 | return members.values() |
| 167 | .stream() |
| 168 | .map(DistributedPrimitiveCreator::getWorkQueueNames) |
| 169 | .reduce(Sets::union) |
| 170 | .orElse(ImmutableSet.of()); |
| 171 | } |
| 172 | |
Madan Jampani | 551d0d2 | 2016-02-01 12:51:48 -0800 | [diff] [blame] | 173 | /** |
| 174 | * Returns the {@code DistributedPrimitiveCreator} to use for hosting a primitive. |
| 175 | * @param name primitive name |
| 176 | * @return primitive creator |
| 177 | */ |
| 178 | private DistributedPrimitiveCreator getCreator(String name) { |
Madan Jampani | 2843ec8 | 2016-06-02 14:08:16 -0700 | [diff] [blame] | 179 | int hashCode = Hashing.sha256().hashString(name, Charsets.UTF_8).asInt(); |
| 180 | return members.get(sortedMemberPartitionIds.get(Math.abs(hashCode) % members.size())); |
Madan Jampani | 551d0d2 | 2016-02-01 12:51:48 -0800 | [diff] [blame] | 181 | } |
| 182 | } |