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Optimize heartbeat and reconnect task. (apache#2658)
* Optimize heartbeat and reconnect task. 1.Use hashedWheelTimer. 2.Distinguish between reconnect and heartbeat. 3.Increase inspection cycle. * fix ci fail. * fix ci fail. * fix ci fail.
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90 changes: 90 additions & 0 deletions
90
...pi/src/main/java/org/apache/dubbo/remoting/exchange/support/header/AbstractTimerTask.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,90 @@ | ||
| /* | ||
| * 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. | ||
| */ | ||
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| package org.apache.dubbo.remoting.exchange.support.header; | ||
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| import org.apache.dubbo.common.timer.Timeout; | ||
| import org.apache.dubbo.common.timer.Timer; | ||
| import org.apache.dubbo.common.timer.TimerTask; | ||
| import org.apache.dubbo.remoting.Channel; | ||
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| import java.util.Collection; | ||
| import java.util.concurrent.TimeUnit; | ||
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| /** | ||
| * AbstractTimerTask | ||
| */ | ||
| public abstract class AbstractTimerTask implements TimerTask { | ||
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| protected final ChannelProvider channelProvider; | ||
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| protected final Long tick; | ||
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| protected AbstractTimerTask(ChannelProvider channelProvider, Long tick) { | ||
| if (channelProvider == null || tick == null) { | ||
| throw new IllegalArgumentException(); | ||
| } | ||
| this.tick = tick; | ||
| this.channelProvider = channelProvider; | ||
| } | ||
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| protected Long lastRead(Channel channel) { | ||
| return (Long) channel.getAttribute( | ||
| HeaderExchangeHandler.KEY_READ_TIMESTAMP); | ||
| } | ||
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| protected Long lastWrite(Channel channel) { | ||
| return (Long) channel.getAttribute( | ||
| HeaderExchangeHandler.KEY_WRITE_TIMESTAMP); | ||
| } | ||
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| protected Long now() { | ||
| return System.currentTimeMillis(); | ||
| } | ||
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| protected void reput(Timeout timeout, Long tick) { | ||
| if (timeout == null || tick == null) { | ||
| throw new IllegalArgumentException(); | ||
| } | ||
| Timer timer = timeout.timer(); | ||
| if (timer.isStop()) { | ||
| return; | ||
| } | ||
| if (timeout.isCancelled()) { | ||
| return; | ||
| } | ||
| timer.newTimeout(timeout.task(), tick, TimeUnit.MILLISECONDS); | ||
| } | ||
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| @Override | ||
| public void run(Timeout timeout) throws Exception { | ||
| Collection<Channel> c = channelProvider.getChannels(); | ||
| for (Channel channel : c) { | ||
| if (channel.isClosed()) { | ||
| continue; | ||
| } | ||
| doTask(channel); | ||
| } | ||
| reput(timeout, tick); | ||
| } | ||
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| protected abstract void doTask(Channel channel); | ||
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| interface ChannelProvider { | ||
| Collection<Channel> getChannels(); | ||
| } | ||
| } |
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