| // Copyright (C) 2014 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.replication; |
| |
| import com.google.gerrit.extensions.events.LifecycleListener; |
| import com.google.gerrit.extensions.systemstatus.ServerInformation; |
| import com.google.gerrit.server.util.SystemLog; |
| import com.google.inject.Inject; |
| |
| import org.apache.log4j.AsyncAppender; |
| import org.apache.log4j.LogManager; |
| import org.apache.log4j.Logger; |
| import org.apache.log4j.PatternLayout; |
| |
| public class ReplicationLogFile implements LifecycleListener { |
| |
| private final SystemLog systemLog; |
| private final ServerInformation serverInfo; |
| private static boolean started; |
| |
| @Inject |
| public ReplicationLogFile(final SystemLog systemLog, |
| ServerInformation serverInfo) { |
| this.systemLog = systemLog; |
| this.serverInfo = serverInfo; |
| } |
| |
| @Override |
| public void start() { |
| if (!started) { |
| Logger replicationLogger = |
| LogManager.getLogger(ReplicationQueue.REPLICATION_LOG_NAME); |
| String loggerName = replicationLogger.getName(); |
| AsyncAppender asyncAppender = systemLog.createAsyncAppender( |
| loggerName, new PatternLayout("[%d] [%X{" |
| + PushOne.ID_MDC_KEY + "}] %m%n")); |
| replicationLogger.removeAppender(loggerName); |
| replicationLogger.addAppender(asyncAppender); |
| replicationLogger.setAdditivity(false); |
| started = true; |
| } |
| } |
| |
| @Override |
| public void stop() { |
| // stop is called when plugin is unloaded or when the server shutdown. |
| // Only clean up when the server is shutting down to prevent issue when a |
| // plugin is reloaded. The issue is that gerrit load the new plugin and then |
| // unload the old one so because loggers are static, the unload of the old |
| // plugin would remove the appenders just created by the new plugin. |
| if (serverInfo.getState() == ServerInformation.State.SHUTDOWN) { |
| LogManager.getLogger(ReplicationQueue.repLog.getName()) |
| .removeAllAppenders(); |
| } |
| } |
| } |