| /* |
| * 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.spring.cloud.config.sample.controller; |
| |
| |
| import java.io.ByteArrayOutputStream; |
| import java.io.PrintStream; |
| import java.util.concurrent.ExecutorService; |
| import java.util.concurrent.Executors; |
| import java.util.concurrent.TimeUnit; |
| |
| import org.apache.logging.log4j.LogManager; |
| import org.apache.logging.log4j.Logger; |
| import org.apache.logging.log4j.ThreadContext; |
| import org.apache.logging.log4j.core.util.UuidUtil; |
| import org.springframework.http.ResponseEntity; |
| import org.springframework.web.bind.annotation.*; |
| |
| import org.apache.logging.log4j.util.Timer; |
| |
| |
| |
| @RestController |
| public class SampleController { |
| |
| private static final Logger LOGGER = LogManager.getLogger(SampleController.class); |
| private static int MAX_MESSAGES = 100000; |
| |
| @GetMapping("/log") |
| public ResponseEntity<String> get(@RequestParam(name="threads", defaultValue="1") int threads, |
| @RequestParam(name="messages", defaultValue="100000") int count) { |
| if (threads < 1) { |
| threads = 1; |
| } |
| if (count < threads) { |
| count = threads * 10000; |
| } |
| if ((count * threads) > MAX_MESSAGES) { |
| count = MAX_MESSAGES / threads; |
| } |
| String msg = ""; |
| if (threads == 1) { |
| ThreadContext.put("requestId", UuidUtil.getTimeBasedUuid().toString()); |
| Timer timer = new Timer("sample"); |
| timer.start(); |
| for (int n = 0; n < count; ++n) { |
| LOGGER.info("Log record " + n); |
| } |
| timer.stop(); |
| StringBuilder sb = new StringBuilder("Elapsed time = "); |
| timer.formatTo(sb); |
| msg = sb.toString(); |
| ThreadContext.clearMap(); |
| } else { |
| ExecutorService service = Executors.newFixedThreadPool(threads); |
| Timer timer = new Timer("sample"); |
| timer.start(); |
| for (int i = 0; i < threads; ++i) { |
| service.submit(new Worker(i, count)); |
| } |
| service.shutdown(); |
| try { |
| service.awaitTermination(2, TimeUnit.MINUTES); |
| timer.stop(); |
| StringBuilder sb = new StringBuilder("Elapsed time = "); |
| timer.formatTo(sb); |
| msg = sb.toString(); |
| } catch (InterruptedException ex) { |
| msg = "Max time exceeded"; |
| } |
| } |
| |
| return ResponseEntity.ok(msg); |
| } |
| |
| @GetMapping("/exception") |
| public ResponseEntity<String> exception() { |
| ThreadContext.put("requestId", UuidUtil.getTimeBasedUuid().toString()); |
| Throwable t = new Throwable("This is a test"); |
| LOGGER.info("This is a test", t); |
| ByteArrayOutputStream os = new ByteArrayOutputStream(); |
| PrintStream ps = new PrintStream(os); |
| t.printStackTrace(ps); |
| String stackTrace = os.toString(); |
| stackTrace = stackTrace.replaceAll("\n", "<br>"); |
| ThreadContext.clearMap(); |
| |
| //LOGGER.info("Hello, World"); |
| return ResponseEntity.ok(stackTrace); |
| } |
| |
| private static class Worker implements Runnable { |
| |
| private final int id; |
| private final int count; |
| |
| public Worker(int id, int count) { |
| this.id = id; |
| this.count = count; |
| } |
| |
| public void run() { |
| String prefix = "Thread " + id + " record "; |
| ThreadContext.put("requestId", UuidUtil.getTimeBasedUuid().toString()); |
| for (int i = 0; i < count; ++i) { |
| LOGGER.info(prefix + i); |
| } |
| ThreadContext.clearMap(); |
| } |
| } |
| } |