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/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.cassandra.service.reads.repair;
import java.io.Serializable;
import java.util.Collection;
import java.util.HashMap;
import java.util.HashSet;
import java.util.List;
import java.util.Map;
import java.util.Set;
import java.util.stream.Collectors;
import javax.annotation.Nullable;
import com.google.common.annotations.VisibleForTesting;
import org.apache.cassandra.db.ConsistencyLevel;
import org.apache.cassandra.db.Keyspace;
import org.apache.cassandra.diag.DiagnosticEvent;
import org.apache.cassandra.locator.InetAddressAndPort;
import org.apache.cassandra.service.reads.DigestResolver;
import org.apache.cassandra.service.reads.DigestResolver.DigestResolverDebugResult;
import org.apache.cassandra.service.reads.SpeculativeRetryPolicy;
final class ReadRepairEvent extends DiagnosticEvent
{
private final ReadRepairEventType type;
private final Keyspace keyspace;
private final String tableName;
private final String cqlCommand;
private final ConsistencyLevel consistency;
private final SpeculativeRetryPolicy.Kind speculativeRetry;
@VisibleForTesting
final Collection<InetAddressAndPort> destinations;
@VisibleForTesting
final Collection<InetAddressAndPort> allEndpoints;
@Nullable
private final DigestResolverDebugResult[] digestsByEndpoint;
enum ReadRepairEventType
{
START_REPAIR,
SPECULATED_READ
}
ReadRepairEvent(ReadRepairEventType type, AbstractReadRepair readRepair, Collection<InetAddressAndPort> destinations,
Collection<InetAddressAndPort> allEndpoints, DigestResolver digestResolver)
{
this.keyspace = readRepair.cfs.keyspace;
this.tableName = readRepair.cfs.getTableName();
this.cqlCommand = readRepair.command.toCQLString();
this.consistency = readRepair.replicaPlan().consistencyLevel();
this.speculativeRetry = readRepair.cfs.metadata().params.speculativeRetry.kind();
this.destinations = destinations;
this.allEndpoints = allEndpoints;
this.digestsByEndpoint = digestResolver != null ? digestResolver.getDigestsByEndpoint() : null;
this.type = type;
}
public ReadRepairEventType getType()
{
return type;
}
public Map<String, Serializable> toMap()
{
HashMap<String, Serializable> ret = new HashMap<>();
ret.put("keyspace", keyspace.getName());
ret.put("table", tableName);
ret.put("command", cqlCommand);
ret.put("consistency", consistency.name());
ret.put("speculativeRetry", speculativeRetry.name());
Set<String> eps = destinations.stream().map(InetAddressAndPort::toString).collect(Collectors.toSet());
ret.put("endpointDestinations", new HashSet<>(eps));
if (digestsByEndpoint != null)
{
HashMap<String, Serializable> digestsMap = new HashMap<>();
for (DigestResolverDebugResult digestsByEndpoint : digestsByEndpoint)
{
HashMap<String, Serializable> digests = new HashMap<>();
digests.put("digestHex", digestsByEndpoint.digestHex);
digests.put("isDigestResponse", digestsByEndpoint.isDigestResponse);
digestsMap.put(digestsByEndpoint.from.toString(), digests);
}
ret.put("digestsByEndpoint", digestsMap);
}
if (allEndpoints != null)
{
eps = allEndpoints.stream().map(InetAddressAndPort::toString).collect(Collectors.toSet());
ret.put("allEndpoints", new HashSet<>(eps));
}
return ret;
}
}