Line data    Source code

       1             : // Copyright (C) 2012 The Android Open Source Project
       2             : //
       3             : // Licensed under the Apache License, Version 2.0 (the "License");
       4             : // you may not use this file except in compliance with the License.
       5             : // You may obtain a copy of the License at
       6             : //
       7             : // http://www.apache.org/licenses/LICENSE-2.0
       8             : //
       9             : // Unless required by applicable law or agreed to in writing, software
      10             : // distributed under the License is distributed on an "AS IS" BASIS,
      11             : // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
      12             : // See the License for the specific language governing permissions and
      13             : // limitations under the License.
      14             : 
      15             : package com.google.gerrit.server.git;
      16             : 
      17             : import com.google.common.flogger.backend.Platform;
      18             : import com.google.gerrit.extensions.events.LifecycleListener;
      19             : import com.google.gerrit.server.config.GerritServerConfig;
      20             : import com.google.gerrit.server.config.SitePaths;
      21             : import com.google.gerrit.server.util.SystemLog;
      22             : import com.google.inject.Inject;
      23             : import java.nio.file.Path;
      24             : import org.apache.log4j.LogManager;
      25             : import org.apache.log4j.Logger;
      26             : import org.apache.log4j.PatternLayout;
      27             : import org.eclipse.jgit.lib.Config;
      28             : 
      29             : public class GarbageCollectionLogFile implements LifecycleListener {
      30             :   private static final String LOG_NAME = "gc_log";
      31             : 
      32             :   @Inject
      33         138 :   public GarbageCollectionLogFile(SitePaths sitePaths, @GerritServerConfig Config config) {
      34         138 :     if (SystemLog.shouldConfigure()) {
      35           8 :       initLogSystem(sitePaths.logs_dir, config.getBoolean("log", "rotate", true));
      36             :     }
      37         138 :   }
      38             : 
      39             :   @Override
      40         138 :   public void start() {}
      41             : 
      42             :   @Override
      43             :   public void stop() {
      44         138 :     getLogger(GarbageCollection.class).removeAllAppenders();
      45         138 :     getLogger(GarbageCollectionRunner.class).removeAllAppenders();
      46         138 :   }
      47             : 
      48             :   private static void initLogSystem(Path logdir, boolean rotate) {
      49           8 :     initGcLogger(logdir, rotate, getLogger(GarbageCollection.class));
      50           8 :     initGcLogger(logdir, rotate, getLogger(GarbageCollectionRunner.class));
      51           8 :   }
      52             : 
      53             :   private static Logger getLogger(Class<?> clazz) {
      54         138 :     return LogManager.getLogger(Platform.getBackend(clazz.getName()).getLoggerName());
      55             :   }
      56             : 
      57             :   private static void initGcLogger(Path logdir, boolean rotate, Logger gcLogger) {
      58           8 :     gcLogger.removeAllAppenders();
      59           8 :     gcLogger.addAppender(
      60           8 :         SystemLog.createAppender(
      61             :             logdir, LOG_NAME, new PatternLayout("[%d] %-5p %x: %m%n"), rotate));
      62           8 :     gcLogger.setAdditivity(false);
      63           8 :   }
      64             : }