EMsnap commented on code in PR #9139: URL: https://github.com/apache/inlong/pull/9139#discussion_r1374240975
########## inlong-agent/agent-core/src/main/java/org/apache/inlong/agent/core/task/file/TaskManager.java: ########## @@ -0,0 +1,449 @@ +/* + * 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.inlong.agent.core.task.file; + +import org.apache.inlong.agent.common.AbstractDaemon; +import org.apache.inlong.agent.common.AgentThreadFactory; +import org.apache.inlong.agent.conf.AgentConfiguration; +import org.apache.inlong.agent.conf.TaskProfile; +import org.apache.inlong.agent.constant.AgentConstants; +import org.apache.inlong.agent.core.task.TaskAction; +import org.apache.inlong.agent.db.Db; +import org.apache.inlong.agent.db.RocksDbImp; +import org.apache.inlong.agent.db.TaskProfileDb; +import org.apache.inlong.agent.plugin.file.Task; +import org.apache.inlong.agent.utils.AgentUtils; +import org.apache.inlong.agent.utils.ThreadUtils; +import org.apache.inlong.common.enums.TaskStateEnum; + +import org.slf4j.Logger; +import org.slf4j.LoggerFactory; + +import java.util.List; +import java.util.Map; +import java.util.concurrent.BlockingQueue; +import java.util.concurrent.ConcurrentHashMap; +import java.util.concurrent.LinkedBlockingQueue; +import java.util.concurrent.SynchronousQueue; +import java.util.concurrent.ThreadPoolExecutor; +import java.util.concurrent.TimeUnit; + +import static org.apache.inlong.agent.constant.AgentConstants.DEFAULT_JOB_NUMBER_LIMIT; +import static org.apache.inlong.agent.constant.AgentConstants.JOB_NUMBER_LIMIT; +import static org.apache.inlong.agent.constant.TaskConstants.TASK_STATE; + +/** + * handle the task config from manager, including add, delete, update etc. + * the task config is store in both db and memory. + */ +public class TaskManager extends AbstractDaemon { + + private static final Logger LOGGER = LoggerFactory.getLogger(TaskManager.class); + public static final int CONFIG_QUEUE_CAPACITY = 1; + public static final int CORE_THREAD_SLEEP_TIME = 1000; + private static final int ACTION_QUEUE_CAPACITY = 100000; + // task basic db + private final Db taskBasicDb; + // instance basic db + private final Db instanceBasicDb; + // task in db + private final TaskProfileDb taskDb; + // task in memory + private final ConcurrentHashMap<String, Task> taskMap; + // task config from manager. + private final BlockingQueue<List<TaskProfile>> configQueue; + // task thread pool; + private final ThreadPoolExecutor runningPool; + // tasks which are not accepted by running pool. + private final BlockingQueue<Task> pendingTasks; + private final int taskMaxLimit; + private final AgentConfiguration agentConf; + // instance profile queue. + private final BlockingQueue<TaskAction> actionQueue; + + /** + * Init task manager. + */ + public TaskManager() { + this.agentConf = AgentConfiguration.getAgentConf(); + this.taskBasicDb = initDb( + agentConf.get(AgentConstants.AGENT_ROCKS_DB_PATH, AgentConstants.AGENT_LOCAL_DB_PATH_TASK)); + this.instanceBasicDb = initDb( + agentConf.get(AgentConstants.AGENT_ROCKS_DB_PATH, AgentConstants.AGENT_LOCAL_DB_PATH_INSTANCE)); + taskDb = new TaskProfileDb(taskBasicDb); + this.runningPool = new ThreadPoolExecutor( + 0, Integer.MAX_VALUE, + 60L, TimeUnit.SECONDS, + new SynchronousQueue<>(), + new AgentThreadFactory("task-manager-running-pool")); + taskMap = new ConcurrentHashMap<>(); + taskMaxLimit = agentConf.getInt(JOB_NUMBER_LIMIT, DEFAULT_JOB_NUMBER_LIMIT); + pendingTasks = new LinkedBlockingQueue<>(taskMaxLimit); + configQueue = new LinkedBlockingQueue<>(CONFIG_QUEUE_CAPACITY); + actionQueue = new LinkedBlockingQueue<>(ACTION_QUEUE_CAPACITY); + } + + /** + * init db by class name + * + * @return db + */ + public static Db initDb(String childPath) { + try { + return new RocksDbImp(childPath); + } catch (Exception ex) { + throw new UnsupportedClassVersionError(ex.getMessage()); + } + } + + public void submitTaskProfiles(List<TaskProfile> taskProfiles) { + if (taskProfiles == null) { + return; + } + while (configQueue.size() != 0) { + configQueue.poll(); + } + configQueue.add(taskProfiles); + } + + public boolean submitAction(TaskAction action) { + if (action == null) { + return false; + } + return actionQueue.offer(action); + } + + /** + * thread for core thread. + * + * @return runnable profile. + */ + private Runnable coreThread() { + return () -> { + Thread.currentThread().setName("task-manager-core"); + while (isRunnable()) { + try { + AgentUtils.silenceSleepInMs(CORE_THREAD_SLEEP_TIME); + dealWithConfigQueue(configQueue); + dealWithActionQueue(actionQueue); + } catch (Throwable ex) { + LOGGER.error("exception caught", ex); + ThreadUtils.threadThrowableHandler(Thread.currentThread(), ex); + } + } + }; + } + + private void dealWithConfigQueue(BlockingQueue<List<TaskProfile>> queue) { + List<TaskProfile> dataConfigs = queue.poll(); + if (dataConfigs == null) { + return; + } + keepPaceWithManager(dataConfigs); + keepPaceWithDb(); + } + + private void dealWithActionQueue(BlockingQueue<TaskAction> queue) { + while (isRunnable()) { + try { + TaskAction action = queue.poll(); + if (action == null) { + break; + } + TaskProfile profile = action.getProfile(); + switch (action.getActionType()) { + case FINISH: + LOGGER.info("test123 deal finish action, taskId {}", profile.getTaskId()); Review Comment: what the meaning of test123 -- This is an automated message from the Apache Git Service. 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