| /* |
| * 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.skywalking.oap.log.analyzer.provider.log; |
| |
| import com.google.protobuf.Message; |
| import java.util.ArrayList; |
| import java.util.List; |
| import java.util.Objects; |
| |
| import lombok.RequiredArgsConstructor; |
| import lombok.extern.slf4j.Slf4j; |
| import org.apache.skywalking.apm.network.logging.v3.LogData; |
| import org.apache.skywalking.oap.server.core.UnexpectedException; |
| import org.apache.skywalking.oap.server.core.analysis.Layer; |
| import org.apache.skywalking.oap.server.library.util.StringUtil; |
| import org.apache.skywalking.oap.log.analyzer.provider.LogAnalyzerModuleConfig; |
| import org.apache.skywalking.oap.log.analyzer.provider.log.listener.LogAnalysisListener; |
| import org.apache.skywalking.oap.server.library.module.ModuleManager; |
| |
| /** |
| * Analyze the collected log data, is the entry point for log analysis. |
| */ |
| @Slf4j |
| @RequiredArgsConstructor |
| public class LogAnalyzer { |
| private final ModuleManager moduleManager; |
| private final LogAnalyzerModuleConfig moduleConfig; |
| private final ILogAnalysisListenerManager factoryManager; |
| |
| private final List<LogAnalysisListener> listeners = new ArrayList<>(); |
| |
| public void doAnalysis(LogData.Builder builder, Message extraLog) { |
| if (StringUtil.isEmpty(builder.getService())) { |
| // If the service name is empty, the log will be ignored. |
| log.debug("The log is ignored because the Service name is empty"); |
| return; |
| } |
| Layer layer; |
| if ("".equals(builder.getLayer())) { |
| layer = Layer.GENERAL; |
| } else { |
| try { |
| layer = Layer.nameOf(builder.getLayer()); |
| } catch (UnexpectedException e) { |
| log.warn("The Layer {} is not found, abandon the log.", builder.getLayer()); |
| return; |
| } |
| } |
| |
| createAnalysisListeners(layer); |
| if (builder.getTimestamp() == 0) { |
| // If no timestamp, OAP server would use the received timestamp as log's timestamp |
| builder.setTimestamp(System.currentTimeMillis()); |
| } |
| |
| notifyAnalysisListener(builder, extraLog); |
| notifyAnalysisListenerToBuild(); |
| } |
| |
| private void notifyAnalysisListener(LogData.Builder builder, final Message extraLog) { |
| listeners.forEach(listener -> listener.parse(builder, extraLog)); |
| } |
| |
| private void notifyAnalysisListenerToBuild() { |
| listeners.forEach(LogAnalysisListener::build); |
| } |
| |
| private void createAnalysisListeners(Layer layer) { |
| factoryManager.getLogAnalysisListenerFactories() |
| .stream() |
| .map(factory -> factory.create(layer)) |
| .filter(Objects::nonNull) |
| .forEach(listeners::add); |
| } |
| } |