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The Apache Cassandra Project develops a highly scalable second-generation distributed database, bringing together Dynamo's fully distributed design and Bigtable's ColumnFamily-based data model.
/*
* Licensed to the Apache Software Foundation (ASF) under one
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* 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.
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package org.apache.cassandra.db.virtual;
import java.net.InetAddress;
import java.nio.ByteBuffer;
import org.apache.cassandra.config.DatabaseDescriptor;
import org.apache.cassandra.db.DecoratedKey;
import org.apache.cassandra.db.marshal.CompositeType;
import org.apache.cassandra.db.marshal.InetAddressType;
import org.apache.cassandra.db.marshal.Int32Type;
import org.apache.cassandra.db.marshal.LongType;
import org.apache.cassandra.db.marshal.UTF8Type;
import org.apache.cassandra.dht.LocalPartitioner;
import org.apache.cassandra.locator.InetAddressAndPort;
import org.apache.cassandra.net.MessagingService;
import org.apache.cassandra.net.InboundMessageHandlers;
import org.apache.cassandra.schema.TableMetadata;
public final class InternodeInboundTable extends AbstractVirtualTable
{
private static final String ADDRESS = "address";
private static final String PORT = "port";
private static final String DC = "dc";
private static final String RACK = "rack";
private static final String USING_BYTES = "using_bytes";
private static final String USING_RESERVE_BYTES = "using_reserve_bytes";
private static final String CORRUPT_FRAMES_RECOVERED = "corrupt_frames_recovered";
private static final String CORRUPT_FRAMES_UNRECOVERED = "corrupt_frames_unrecovered";
private static final String ERROR_BYTES = "error_bytes";
private static final String ERROR_COUNT = "error_count";
private static final String EXPIRED_BYTES = "expired_bytes";
private static final String EXPIRED_COUNT = "expired_count";
private static final String SCHEDULED_BYTES = "scheduled_bytes";
private static final String SCHEDULED_COUNT = "scheduled_count";
private static final String PROCESSED_BYTES = "processed_bytes";
private static final String PROCESSED_COUNT = "processed_count";
private static final String RECEIVED_BYTES = "received_bytes";
private static final String RECEIVED_COUNT = "received_count";
private static final String THROTTLED_COUNT = "throttled_count";
private static final String THROTTLED_NANOS = "throttled_nanos";
InternodeInboundTable(String keyspace)
{
super(TableMetadata.builder(keyspace, "internode_inbound")
.kind(TableMetadata.Kind.VIRTUAL)
.partitioner(new LocalPartitioner(CompositeType.getInstance(InetAddressType.instance, Int32Type.instance)))
.addPartitionKeyColumn(ADDRESS, InetAddressType.instance)
.addPartitionKeyColumn(PORT, Int32Type.instance)
.addClusteringColumn(DC, UTF8Type.instance)
.addClusteringColumn(RACK, UTF8Type.instance)
.addRegularColumn(USING_BYTES, LongType.instance)
.addRegularColumn(USING_RESERVE_BYTES, LongType.instance)
.addRegularColumn(CORRUPT_FRAMES_RECOVERED, LongType.instance)
.addRegularColumn(CORRUPT_FRAMES_UNRECOVERED, LongType.instance)
.addRegularColumn(ERROR_BYTES, LongType.instance)
.addRegularColumn(ERROR_COUNT, LongType.instance)
.addRegularColumn(EXPIRED_BYTES, LongType.instance)
.addRegularColumn(EXPIRED_COUNT, LongType.instance)
.addRegularColumn(SCHEDULED_BYTES, LongType.instance)
.addRegularColumn(SCHEDULED_COUNT, LongType.instance)
.addRegularColumn(PROCESSED_BYTES, LongType.instance)
.addRegularColumn(PROCESSED_COUNT, LongType.instance)
.addRegularColumn(RECEIVED_BYTES, LongType.instance)
.addRegularColumn(RECEIVED_COUNT, LongType.instance)
.addRegularColumn(THROTTLED_COUNT, LongType.instance)
.addRegularColumn(THROTTLED_NANOS, LongType.instance)
.build());
}
@Override
public DataSet data(DecoratedKey partitionKey)
{
ByteBuffer[] addressAndPortBytes = ((CompositeType) metadata().partitionKeyType).split(partitionKey.getKey());
InetAddress address = InetAddressType.instance.compose(addressAndPortBytes[0]);
int port = Int32Type.instance.compose(addressAndPortBytes[1]);
InetAddressAndPort addressAndPort = InetAddressAndPort.getByAddressOverrideDefaults(address, port);
SimpleDataSet result = new SimpleDataSet(metadata());
InboundMessageHandlers handlers = MessagingService.instance().messageHandlers.get(addressAndPort);
if (null != handlers)
addRow(result, addressAndPort, handlers);
return result;
}
@Override
public DataSet data()
{
SimpleDataSet result = new SimpleDataSet(metadata());
MessagingService.instance()
.messageHandlers
.forEach((addressAndPort, handlers) -> addRow(result, addressAndPort, handlers));
return result;
}
private void addRow(SimpleDataSet dataSet, InetAddressAndPort addressAndPort, InboundMessageHandlers handlers)
{
String dc = DatabaseDescriptor.getEndpointSnitch().getDatacenter(addressAndPort);
String rack = DatabaseDescriptor.getEndpointSnitch().getRack(addressAndPort);
dataSet.row(addressAndPort.getAddress(), addressAndPort.getPort(), dc, rack)
.column(USING_BYTES, handlers.usingCapacity())
.column(USING_RESERVE_BYTES, handlers.usingEndpointReserveCapacity())
.column(CORRUPT_FRAMES_RECOVERED, handlers.corruptFramesRecovered())
.column(CORRUPT_FRAMES_UNRECOVERED, handlers.corruptFramesUnrecovered())
.column(ERROR_BYTES, handlers.errorBytes())
.column(ERROR_COUNT, handlers.errorCount())
.column(EXPIRED_BYTES, handlers.expiredBytes())
.column(EXPIRED_COUNT, handlers.expiredCount())
.column(SCHEDULED_BYTES, handlers.scheduledBytes())
.column(SCHEDULED_COUNT, handlers.scheduledCount())
.column(PROCESSED_BYTES, handlers.processedBytes())
.column(PROCESSED_COUNT, handlers.processedCount())
.column(RECEIVED_BYTES, handlers.receivedBytes())
.column(RECEIVED_COUNT, handlers.receivedCount())
.column(THROTTLED_COUNT, handlers.throttledCount())
.column(THROTTLED_NANOS, handlers.throttledNanos());
}
}