| // Copyright (C) 2019 The Android Open Source Project |
| // |
| // Licensed 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.googlesource.gerrit.plugins.websession.broker; |
| |
| import static java.util.concurrent.TimeUnit.HOURS; |
| import static java.util.concurrent.TimeUnit.MILLISECONDS; |
| import static java.util.concurrent.TimeUnit.SECONDS; |
| |
| import com.google.common.base.Strings; |
| import com.google.gerrit.extensions.annotations.PluginName; |
| import com.google.gerrit.extensions.events.LifecycleListener; |
| import com.google.gerrit.server.config.ConfigUtil; |
| import com.google.gerrit.server.config.PluginConfigFactory; |
| import com.google.gerrit.server.git.WorkQueue; |
| import com.google.inject.Inject; |
| import com.google.inject.Provider; |
| import com.google.inject.Singleton; |
| import java.util.concurrent.ScheduledFuture; |
| |
| @Singleton |
| public class BrokerBasedWebSessionCacheCleaner implements LifecycleListener { |
| |
| private static int DEFAULT_CLEANUP_INTERVAL = 24; |
| |
| WorkQueue queue; |
| Provider<CleanupTask> cleanupTaskProvider; |
| ScheduledFuture<?> scheduledCleanupTask; |
| long cleanupIntervalMillis; |
| |
| static class CleanupTask implements Runnable { |
| private final BrokerBasedWebSessionCache brokerBasedWebSessionCache; |
| private final String pluginName; |
| |
| @Inject |
| CleanupTask( |
| BrokerBasedWebSessionCache brokerBasedWebSessionCache, @PluginName String pluginName) { |
| this.brokerBasedWebSessionCache = brokerBasedWebSessionCache; |
| this.pluginName = pluginName; |
| } |
| |
| @Override |
| public void run() { |
| brokerBasedWebSessionCache.cleanUp(); |
| } |
| |
| @Override |
| public String toString() { |
| return String.format("[%s] Clean up expired file based websessions", pluginName); |
| } |
| } |
| |
| @Inject |
| public BrokerBasedWebSessionCacheCleaner( |
| WorkQueue queue, |
| Provider<CleanupTask> cleanupTaskProvider, |
| PluginConfigFactory cfg, |
| @PluginName String pluginName) { |
| this.queue = queue; |
| this.cleanupTaskProvider = cleanupTaskProvider; |
| this.cleanupIntervalMillis = getCleanupInterval(cfg, pluginName); |
| } |
| |
| @Override |
| public void start() { |
| scheduledCleanupTask = |
| queue |
| .getDefaultQueue() |
| .scheduleAtFixedRate( |
| cleanupTaskProvider.get(), |
| SECONDS.toMillis(1), |
| cleanupIntervalMillis, |
| MILLISECONDS); |
| } |
| |
| @Override |
| public void stop() { |
| if (scheduledCleanupTask != null) { |
| scheduledCleanupTask.cancel(true); |
| scheduledCleanupTask = null; |
| } |
| } |
| |
| private Long getCleanupInterval(PluginConfigFactory cfg, String pluginName) { |
| String fromConfig = |
| Strings.nullToEmpty(cfg.getFromGerritConfig(pluginName).getString("cleanupInterval")); |
| return HOURS.toMillis(ConfigUtil.getTimeUnit(fromConfig, DEFAULT_CLEANUP_INTERVAL, HOURS)); |
| } |
| } |