| /* |
| * 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. |
| */ |
| package org.apache.logging.log4j.flume.appender; |
| |
| import org.apache.flume.ChannelException; |
| import org.apache.flume.Event; |
| import org.apache.flume.EventDrivenSource; |
| import org.apache.flume.instrumentation.SourceCounter; |
| import org.apache.flume.source.AbstractSource; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| /** |
| * |
| */ |
| public class Log4jEventSource extends AbstractSource implements EventDrivenSource { |
| |
| private static final Logger LOGGER = LoggerFactory.getLogger(Log4jEventSource.class); |
| |
| private final SourceCounter sourceCounter = new SourceCounter("log4j"); |
| |
| public Log4jEventSource() { |
| setName("Log4jEvent"); |
| } |
| |
| @Override |
| public synchronized void start() { |
| super.start(); |
| |
| LOGGER.info("Log4j Source started"); |
| } |
| |
| @Override |
| public synchronized void stop() { |
| super.stop(); |
| |
| LOGGER.info("Log4j Source stopped. Metrics {}", sourceCounter); |
| } |
| |
| |
| public void send(final Event event) { |
| sourceCounter.incrementAppendReceivedCount(); |
| sourceCounter.incrementEventReceivedCount(); |
| try { |
| getChannelProcessor().processEvent(event); |
| } catch (final ChannelException ex) { |
| LOGGER.warn("Unable to process event {}" + event, ex); |
| throw ex; |
| } |
| sourceCounter.incrementAppendAcceptedCount(); |
| sourceCounter.incrementEventAcceptedCount(); |
| } |
| } |