| // Copyright (C) 2015 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.ericsson.gerrit.plugins.highavailability.websession.file; |
| |
| import static java.util.concurrent.TimeUnit.MILLISECONDS; |
| import static java.util.concurrent.TimeUnit.SECONDS; |
| |
| import com.google.gerrit.extensions.annotations.PluginName; |
| import com.google.gerrit.extensions.events.LifecycleListener; |
| import com.google.gerrit.server.git.WorkQueue; |
| import com.google.inject.Inject; |
| import com.google.inject.Provider; |
| import com.google.inject.Singleton; |
| |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| import java.util.concurrent.ScheduledFuture; |
| |
| @Singleton |
| class FileBasedWebSessionCacheCleaner implements LifecycleListener { |
| |
| private final WorkQueue queue; |
| private final Provider<CleanupTask> cleanupTaskProvider; |
| private final long cleanupIntervalMillis; |
| private ScheduledFuture<?> scheduledCleanupTask; |
| |
| @Inject |
| FileBasedWebSessionCacheCleaner(WorkQueue queue, |
| Provider<CleanupTask> cleanupTaskProvider, |
| @CleanupIntervalMillis long cleanupIntervalMillis) { |
| this.queue = queue; |
| this.cleanupTaskProvider = cleanupTaskProvider; |
| this.cleanupIntervalMillis = cleanupIntervalMillis; |
| } |
| |
| @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; |
| } |
| } |
| } |
| |
| class CleanupTask implements Runnable { |
| private static final Logger logger = |
| LoggerFactory.getLogger(CleanupTask.class); |
| private final FileBasedWebsessionCache fileBasedWebSessionCache; |
| private final String pluginName; |
| |
| @Inject |
| CleanupTask(FileBasedWebsessionCache fileBasedWebSessionCache, |
| @PluginName String pluginName) { |
| this.fileBasedWebSessionCache = fileBasedWebSessionCache; |
| this.pluginName = pluginName; |
| } |
| |
| @Override |
| public void run() { |
| logger.info("Cleaning up expired file based websessions..."); |
| fileBasedWebSessionCache.cleanUp(); |
| logger.info("Cleaning up expired file based websessions...Done"); |
| } |
| |
| @Override |
| public String toString() { |
| return String.format("[%s] Clean up expired file based websessions", |
| pluginName); |
| } |
| } |