chengjianyun commented on a change in pull request #4079: URL: https://github.com/apache/iotdb/pull/4079#discussion_r737957643
########## File path: cluster/src/main/java/org/apache/iotdb/cluster/ClusterIoTDB.java ########## @@ -0,0 +1,671 @@ +/* + * 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.iotdb.cluster; + +import org.apache.iotdb.cluster.client.ClientCategory; +import org.apache.iotdb.cluster.client.ClientManager; +import org.apache.iotdb.cluster.client.IClientManager; +import org.apache.iotdb.cluster.client.async.AsyncDataClient; +import org.apache.iotdb.cluster.client.async.AsyncMetaClient; +import org.apache.iotdb.cluster.client.sync.SyncClientAdaptor; +import org.apache.iotdb.cluster.client.sync.SyncDataClient; +import org.apache.iotdb.cluster.config.ClusterConfig; +import org.apache.iotdb.cluster.config.ClusterConstant; +import org.apache.iotdb.cluster.config.ClusterDescriptor; +import org.apache.iotdb.cluster.coordinator.Coordinator; +import org.apache.iotdb.cluster.exception.ConfigInconsistentException; +import org.apache.iotdb.cluster.exception.StartUpCheckFailureException; +import org.apache.iotdb.cluster.metadata.CMManager; +import org.apache.iotdb.cluster.metadata.MetaPuller; +import org.apache.iotdb.cluster.partition.slot.SlotPartitionTable; +import org.apache.iotdb.cluster.partition.slot.SlotStrategy; +import org.apache.iotdb.cluster.rpc.thrift.Node; +import org.apache.iotdb.cluster.server.ClusterRPCService; +import org.apache.iotdb.cluster.server.ClusterTSServiceImpl; +import org.apache.iotdb.cluster.server.HardLinkCleaner; +import org.apache.iotdb.cluster.server.Response; +import org.apache.iotdb.cluster.server.clusterinfo.ClusterInfoServer; +import org.apache.iotdb.cluster.server.member.MetaGroupMember; +import org.apache.iotdb.cluster.server.monitor.NodeReport; +import org.apache.iotdb.cluster.server.raft.DataRaftHeartBeatService; +import org.apache.iotdb.cluster.server.raft.DataRaftService; +import org.apache.iotdb.cluster.server.raft.MetaRaftHeartBeatService; +import org.apache.iotdb.cluster.server.raft.MetaRaftService; +import org.apache.iotdb.cluster.server.service.DataGroupEngine; +import org.apache.iotdb.cluster.server.service.DataGroupServiceImpls; +import org.apache.iotdb.cluster.server.service.MetaAsyncService; +import org.apache.iotdb.cluster.server.service.MetaSyncService; +import org.apache.iotdb.cluster.utils.ClusterUtils; +import org.apache.iotdb.cluster.utils.nodetool.ClusterMonitor; +import org.apache.iotdb.db.concurrent.IoTDBThreadPoolFactory; +import org.apache.iotdb.db.conf.IoTDBConfigCheck; +import org.apache.iotdb.db.conf.IoTDBConstant; +import org.apache.iotdb.db.conf.IoTDBDescriptor; +import org.apache.iotdb.db.exception.ConfigurationException; +import org.apache.iotdb.db.exception.StartupException; +import org.apache.iotdb.db.exception.query.QueryProcessException; +import org.apache.iotdb.db.service.IoTDB; +import org.apache.iotdb.db.service.JMXService; +import org.apache.iotdb.db.service.RegisterManager; +import org.apache.iotdb.db.service.thrift.ThriftServiceThread; +import org.apache.iotdb.db.utils.TestOnly; + +import org.apache.thrift.TException; +import org.apache.thrift.async.TAsyncClientManager; +import org.apache.thrift.protocol.TBinaryProtocol.Factory; +import org.apache.thrift.protocol.TCompactProtocol; +import org.apache.thrift.protocol.TProtocolFactory; +import org.slf4j.Logger; +import org.slf4j.LoggerFactory; + +import java.io.IOException; +import java.util.HashSet; +import java.util.Set; +import java.util.concurrent.ExecutorService; +import java.util.concurrent.ScheduledExecutorService; +import java.util.concurrent.TimeUnit; + +import static org.apache.iotdb.cluster.config.ClusterConstant.THREAD_POLL_WAIT_TERMINATION_TIME_S; +import static org.apache.iotdb.cluster.utils.ClusterUtils.UNKNOWN_CLIENT_IP; + +// we do not inherent IoTDB instance, as it may break the singleton mode of IoTDB. +public class ClusterIoTDB implements ClusterIoTDBMBean { + + private static final Logger logger = LoggerFactory.getLogger(ClusterIoTDB.class); + private final String mbeanName = + String.format( + "%s:%s=%s", "org.apache.iotdb.cluster.service", IoTDBConstant.JMX_TYPE, "ClusterIoTDB"); + + // TODO fix me: better to throw exception if the client can not be get. Then we can remove this + // field. + public static boolean printClientConnectionErrorStack = false; + + // establish the cluster as a seed + private static final String MODE_START = "-s"; + // join an established cluster + private static final String MODE_ADD = "-a"; + // send a request to remove a node, more arguments: ip-of-removed-node + // metaport-of-removed-node + private static final String MODE_REMOVE = "-r"; + + private MetaGroupMember metaGroupEngine; + + // split DataGroupServiceImpls into engine and impls + private DataGroupEngine dataGroupEngine; + + private Node thisNode; + private Coordinator coordinator; + + private final IoTDB iotdb = IoTDB.getInstance(); + + // Cluster IoTDB uses a individual registerManager with its parent. + private RegisterManager registerManager = new RegisterManager(); + + /** + * a single thread pool, every "REPORT_INTERVAL_SEC" seconds, "reportThread" will print the status + * of all raft members in this node + */ + private ScheduledExecutorService reportThread; + + private boolean allowReport = true; + + /** hardLinkCleaner will periodically clean expired hardlinks created during snapshots */ + private ScheduledExecutorService hardLinkCleanerThread; + + // currently, clientManager is only used for those instances who do not belong to any + // DataGroup.. + private IClientManager clientManager; + Review comment: Fixed. -- This is an automated message from the Apache Git Service. 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