| /* |
| * 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.db.virtual; |
| |
| import java.net.InetSocketAddress; |
| |
| import org.apache.cassandra.db.marshal.*; |
| import org.apache.cassandra.dht.LocalPartitioner; |
| import org.apache.cassandra.metrics.ClientMetrics; |
| import org.apache.cassandra.schema.TableMetadata; |
| import org.apache.cassandra.transport.ConnectedClient; |
| |
| final class ClientsTable extends AbstractVirtualTable |
| { |
| private static final String ADDRESS = "address"; |
| private static final String PORT = "port"; |
| private static final String HOSTNAME = "hostname"; |
| private static final String USERNAME = "username"; |
| private static final String CONNECTION_STAGE = "connection_stage"; |
| private static final String PROTOCOL_VERSION = "protocol_version"; |
| private static final String CLIENT_OPTIONS = "client_options"; |
| private static final String DRIVER_NAME = "driver_name"; |
| private static final String DRIVER_VERSION = "driver_version"; |
| private static final String REQUEST_COUNT = "request_count"; |
| private static final String SSL_ENABLED = "ssl_enabled"; |
| private static final String SSL_PROTOCOL = "ssl_protocol"; |
| private static final String SSL_CIPHER_SUITE = "ssl_cipher_suite"; |
| private static final String KEYSPACE_NAME = "keyspace_name"; |
| |
| ClientsTable(String keyspace) |
| { |
| super(TableMetadata.builder(keyspace, "clients") |
| .comment("currently connected clients") |
| .kind(TableMetadata.Kind.VIRTUAL) |
| .partitioner(new LocalPartitioner(InetAddressType.instance)) |
| .addPartitionKeyColumn(ADDRESS, InetAddressType.instance) |
| .addClusteringColumn(PORT, Int32Type.instance) |
| .addRegularColumn(HOSTNAME, UTF8Type.instance) |
| .addRegularColumn(USERNAME, UTF8Type.instance) |
| .addRegularColumn(CONNECTION_STAGE, UTF8Type.instance) |
| .addRegularColumn(PROTOCOL_VERSION, Int32Type.instance) |
| .addRegularColumn(CLIENT_OPTIONS, MapType.getInstance(UTF8Type.instance, UTF8Type.instance, false)) |
| .addRegularColumn(DRIVER_NAME, UTF8Type.instance) |
| .addRegularColumn(DRIVER_VERSION, UTF8Type.instance) |
| .addRegularColumn(REQUEST_COUNT, LongType.instance) |
| .addRegularColumn(SSL_ENABLED, BooleanType.instance) |
| .addRegularColumn(SSL_PROTOCOL, UTF8Type.instance) |
| .addRegularColumn(SSL_CIPHER_SUITE, UTF8Type.instance) |
| .addRegularColumn(KEYSPACE_NAME, UTF8Type.instance) |
| .build()); |
| } |
| |
| @Override |
| public DataSet data() |
| { |
| SimpleDataSet result = new SimpleDataSet(metadata()); |
| |
| for (ConnectedClient client : ClientMetrics.instance.allConnectedClients()) |
| { |
| InetSocketAddress remoteAddress = client.remoteAddress(); |
| |
| result.row(remoteAddress.getAddress(), remoteAddress.getPort()) |
| .column(HOSTNAME, remoteAddress.getHostName()) |
| .column(USERNAME, client.username().orElse(null)) |
| .column(CONNECTION_STAGE, client.stage().toString().toLowerCase()) |
| .column(PROTOCOL_VERSION, client.protocolVersion()) |
| .column(CLIENT_OPTIONS, client.clientOptions().orElse(null)) |
| .column(DRIVER_NAME, client.driverName().orElse(null)) |
| .column(DRIVER_VERSION, client.driverVersion().orElse(null)) |
| .column(REQUEST_COUNT, client.requestCount()) |
| .column(SSL_ENABLED, client.sslEnabled()) |
| .column(SSL_PROTOCOL, client.sslProtocol().orElse(null)) |
| .column(SSL_CIPHER_SUITE, client.sslCipherSuite().orElse(null)) |
| .column(KEYSPACE_NAME, client.keyspace().orElse(null)); |
| } |
| |
| return result; |
| } |
| } |