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Change ConsistentMap key hasher to use sha256

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Change-Id: Ia83322cc314b178dd438a4c7a05e7ab3bac4ad3d
This commit is contained in:
Jordan Halterman 2017-08-01 18:08:38 -07:00 committed by Thomas Vachuska
parent 1583a6f30e
commit 13d25a1023
2 changed files with 5 additions and 4 deletions
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4
core/store/primitives/src/main/java/org/onosproject/store/primitives/impl/FederatedDistributedPrimitiveCreator.java
View File

@ -20,7 +20,6 @@ import com.google.common.collect.ImmutableSet;
import com.google.common.collect.Lists;
import com.google.common.collect.Maps;
import com.google.common.collect.Sets;
import com.google.common.hash.HashFunction;
import com.google.common.hash.Hashing;
import org.onlab.util.HexString;
import org.onosproject.cluster.PartitionId;
@ -66,9 +65,8 @@ public class FederatedDistributedPrimitiveCreator implements DistributedPrimitiv
Map<PartitionId, AsyncConsistentMap<String, byte[]>> maps =
Maps.transformValues(members,
partition -> partition.newAsyncConsistentMap(name, null));
HashFunction hashFunction = Hashing.goodFastHash(32);
Hasher<String> hasher = key -> {
int hashCode = hashFunction.hashUnencodedChars(key).asInt();
int hashCode = Hashing.sha256().hashString(key, Charsets.UTF_8).asInt();
return sortedMemberPartitionIds.get(Math.abs(hashCode) % members.size());
};
AsyncConsistentMap<String, byte[]> partitionedMap = new PartitionedAsyncConsistentMap<>(name, maps, hasher);

5
core/store/primitives/src/main/java/org/onosproject/store/primitives/impl/TransactionManager.java
View File

@ -23,12 +23,14 @@ import java.util.Map;
import java.util.concurrent.CompletableFuture;
import java.util.concurrent.ExecutionException;
import com.google.common.base.Charsets;
import com.google.common.cache.Cache;
import com.google.common.cache.CacheBuilder;
import com.google.common.collect.Lists;
import com.google.common.collect.Maps;
import com.google.common.hash.Hashing;
import com.google.common.util.concurrent.Futures;
import org.onlab.util.HexString;
import org.onosproject.cluster.PartitionId;
import org.onosproject.store.primitives.MapUpdate;
import org.onosproject.store.primitives.PartitionService;
@ -101,7 +103,8 @@ public class TransactionManager {
}
Hasher<K> hasher = key -> {
int hashCode = Hashing.sha256().hashBytes(serializer.encode(key)).asInt();
int hashCode = Hashing.sha256()
.hashString(HexString.toHexString(serializer.encode(key)), Charsets.UTF_8).asInt();
return sortedPartitions.get(Math.abs(hashCode) % sortedPartitions.size());
};
return new PartitionedTransactionalMap<>(partitions, hasher);