| /** |
| * 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.supervisor; |
| |
| import java.util.List; |
| import java.util.Map; |
| import java.util.Set; |
| import java.util.concurrent.atomic.AtomicBoolean; |
| |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| import backtype.storm.Config; |
| |
| import com.alibaba.jstorm.callback.RunnableCallback; |
| import com.alibaba.jstorm.cluster.StormClusterState; |
| import com.alibaba.jstorm.cluster.StormConfig; |
| import com.alibaba.jstorm.utils.JStormServerUtils; |
| import com.alibaba.jstorm.utils.JStormUtils; |
| import com.alibaba.jstorm.utils.TimeUtils; |
| |
| /** |
| * supervisor Heartbeat, just write SupervisorInfo to ZK |
| * @author Johnfang (xiaojian.fxj@alibaba-inc.com) |
| */ |
| class Heartbeat extends RunnableCallback { |
| |
| private static Logger LOG = LoggerFactory.getLogger(Heartbeat.class); |
| |
| private static final int CPU_THREADHOLD = 4; |
| private static final long MEM_THREADHOLD = 8 * JStormUtils.SIZE_1_G; |
| |
| private Map<Object, Object> conf; |
| |
| private StormClusterState stormClusterState; |
| |
| private String supervisorId; |
| |
| private String myHostName; |
| |
| private final int startTime; |
| |
| private final int frequence; |
| |
| private SupervisorInfo supervisorInfo; |
| |
| private AtomicBoolean hbUpdateTrigger; |
| |
| /** |
| * @param conf |
| * @param stormClusterState |
| * @param supervisorId |
| * @param myHostName |
| */ |
| @SuppressWarnings({ "rawtypes", "unchecked" }) |
| public Heartbeat(Map conf, StormClusterState stormClusterState, String supervisorId) { |
| |
| String myHostName = JStormServerUtils.getHostName(conf); |
| |
| this.stormClusterState = stormClusterState; |
| this.supervisorId = supervisorId; |
| this.conf = conf; |
| this.myHostName = myHostName; |
| this.startTime = TimeUtils.current_time_secs(); |
| this.frequence = JStormUtils.parseInt(conf.get(Config.SUPERVISOR_HEARTBEAT_FREQUENCY_SECS)); |
| this.hbUpdateTrigger = new AtomicBoolean(true); |
| |
| initSupervisorInfo(conf); |
| |
| LOG.info("Successfully init supervisor heartbeat thread, " + supervisorInfo); |
| } |
| |
| private void initSupervisorInfo(Map conf) { |
| List<Integer> portList = JStormUtils.getSupervisorPortList(conf); |
| |
| if (!StormConfig.local_mode(conf)) { |
| try { |
| |
| boolean isLocaliP = false; |
| isLocaliP = myHostName.equals("127.0.0.1"); |
| if (isLocaliP) { |
| throw new Exception("the hostname which supervisor get is localhost"); |
| } |
| } catch (Exception e1) { |
| LOG.error("get supervisor host error!", e1); |
| throw new RuntimeException(e1); |
| } |
| Set<Integer> ports = JStormUtils.listToSet(portList); |
| supervisorInfo = new SupervisorInfo(myHostName, supervisorId, ports); |
| } else { |
| Set<Integer> ports = JStormUtils.listToSet(portList); |
| supervisorInfo = new SupervisorInfo(myHostName, supervisorId, ports); |
| } |
| } |
| |
| @SuppressWarnings("unchecked") |
| public void update() { |
| supervisorInfo.setTimeSecs(TimeUtils.current_time_secs()); |
| supervisorInfo.setUptimeSecs((int) (TimeUtils.current_time_secs() - startTime)); |
| |
| try { |
| stormClusterState.supervisor_heartbeat(supervisorId, supervisorInfo); |
| } catch (Exception e) { |
| LOG.error("Failed to update SupervisorInfo to ZK"); |
| |
| } |
| } |
| |
| @Override |
| public Object getResult() { |
| return frequence; |
| } |
| |
| @Override |
| public void run() { |
| boolean updateHb = hbUpdateTrigger.getAndSet(false); |
| if (updateHb) { |
| update(); |
| } |
| } |
| |
| public int getStartTime() { |
| return startTime; |
| } |
| |
| public SupervisorInfo getSupervisorInfo() { |
| return supervisorInfo; |
| } |
| |
| public void updateHbTrigger(boolean update) { |
| hbUpdateTrigger.set(update); |
| } |
| } |