| /** |
| * 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 com.alibaba.jstorm.daemon.worker; |
| |
| import java.util.ArrayList; |
| import java.util.HashMap; |
| import java.util.List; |
| import java.util.Map; |
| import java.util.Map.Entry; |
| import java.util.concurrent.ConcurrentHashMap; |
| |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| import backtype.storm.messaging.IConnection; |
| import backtype.storm.messaging.TaskMessage; |
| import backtype.storm.scheduler.WorkerSlot; |
| import backtype.storm.utils.DisruptorQueue; |
| |
| import com.alibaba.jstorm.metric.MetricDef; |
| import com.alibaba.jstorm.utils.DisruptorRunable; |
| import com.alibaba.jstorm.utils.Pair; |
| |
| //import com.alibaba.jstorm.message.zeroMq.ISendConnection; |
| |
| /** |
| * |
| * Tuple sender |
| * |
| * @author yannian |
| * |
| */ |
| public class DrainerRunable extends DisruptorRunable { |
| private final static Logger LOG = LoggerFactory.getLogger(DrainerRunable.class); |
| |
| private DisruptorQueue transferQueue; |
| private ConcurrentHashMap<WorkerSlot, IConnection> nodeportSocket; |
| private ConcurrentHashMap<Integer, WorkerSlot> taskNodeport; |
| |
| private Map<IConnection, List<TaskMessage>> dispatchMap; |
| private DisruptorQueue sendingQueue; |
| |
| private final boolean isDirectSend = true; |
| |
| private DisruptorQueue queue; |
| |
| public DrainerRunable(WorkerData workerData) { |
| super(workerData.getTransferQueue(), MetricDef.DRAINER_THREAD); |
| this.sendingQueue = workerData.getSendingQueue(); |
| this.nodeportSocket = workerData.getNodeportSocket(); |
| this.taskNodeport = workerData.getTaskNodeport(); |
| this.dispatchMap = new HashMap<IConnection, List<TaskMessage>>(); |
| |
| this.queue = workerData.getTransferQueue(); |
| |
| this.queue.consumerStarted(); |
| } |
| |
| public void handleOneEvent(TaskMessage felem) { |
| |
| int taskId = felem.task(); |
| byte[] tuple = felem.message(); |
| |
| WorkerSlot nodePort = taskNodeport.get(taskId); |
| if (nodePort == null) { |
| String errormsg = "can`t not found IConnection to " + taskId; |
| LOG.warn("DrainerRunable warn", new Exception(errormsg)); |
| return; |
| } |
| IConnection conn = nodeportSocket.get(nodePort); |
| if (conn == null) { |
| String errormsg = "can`t not found nodePort " + nodePort; |
| LOG.warn("DrainerRunable warn", new Exception(errormsg)); |
| return; |
| } |
| |
| if (conn.isClosed() == true) { |
| // if connection has been closed, just skip the package |
| LOG.debug("Skip one tuple of " + taskId + ", due to close connection of " + nodePort); |
| return; |
| } |
| |
| if (isDirectSend) { |
| conn.send(felem); |
| return; |
| } |
| |
| List<TaskMessage> list = dispatchMap.get(conn); |
| if (list == null) { |
| list = new ArrayList<TaskMessage>(); |
| dispatchMap.put(conn, list); |
| } |
| list.add(felem); |
| return; |
| |
| } |
| |
| public void handleFinish() { |
| for (Entry<IConnection, List<TaskMessage>> entry : dispatchMap.entrySet()) { |
| Pair<IConnection, List<TaskMessage>> pair = new Pair<IConnection, List<TaskMessage>>(entry.getKey(), entry.getValue()); |
| |
| sendingQueue.publish(pair); |
| } |
| |
| dispatchMap.clear(); |
| } |
| |
| @Override |
| public void handleEvent(Object event, boolean endOfBatch) throws Exception { |
| |
| handleOneEvent((TaskMessage) event); |
| |
| if (endOfBatch == true && isDirectSend == false) { |
| handleFinish(); |
| } |
| |
| } |
| |
| } |