lttng_ivc/apps/jul-2.0/App.java

   1 /*
   2  * Copyright (c) 2017 Jonathan Rajotte-Julien <jonathan.rajotte-julien@efficios.com>
   3  *
   4  * Permission is hereby granted, free of charge, to any person obtaining a copy
   5  * of this software and associated documentation files (the "Software"), to deal
   6  * in the Software without restriction, including without limitation the rights
   7  * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
   8  * copies of the Software, and to permit persons to whom the Software is
   9  * furnished to do so, subject to the following conditions:
  10  *
  11  * The above copyright notice and this permission notice shall be included in all
  12  * copies or substantial portions of the Software.
  13  *
  14  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  15  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  16  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
  17  * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  18  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
  19  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
  20  * SOFTWARE.
  21  */
  22 import java.io.IOException;
  23 import java.io.File;
  24 import java.util.logging.Logger;
  25 import java.util.logging.Handler;
  26 import java.util.logging.Level;
  27 import org.lttng.ust.agent.jul.LttngLogHandler;
  28
  29 public class App
  30 {
  31     private static final int answer = 42;
  32
  33     public static void main(String[] argv) throws Exception
  34     {
  35         int nrIter = Integer.parseInt(argv[0]);
  36         String sync_first_tp_hit_path = null;
  37         String sync_wait_before_last = null;
  38
  39         if (argv.length > 1) {
  40                 sync_first_tp_hit_path = argv[1];
  41         }
  42         if (argv.length > 2) {
  43                 sync_wait_before_last = argv[2];
  44         }
  45
  46         // Create a logger
  47         Logger logger = Logger.getLogger("jello");
  48         logger.setLevel(Level.INFO);
  49
  50         Handler lttngHandler = new LttngLogHandler();
  51
  52         logger.addHandler(lttngHandler);
  53
  54         for (int i=0; i < 0 || i < nrIter; i++) {
  55                 if ( i >= 0 && i == nrIter -1 && sync_wait_before_last != null) {
  56                         File f = new File(sync_wait_before_last);
  57                         while (!f.exists()) {
  58                                 Thread.sleep(1);
  59                         }
  60                 }
  61                 logger.info("logging the world");
  62                 logger.warning("some warning");
  63                 logger.severe("error!");
  64                 if (i == 0 && sync_first_tp_hit_path != null) {
  65                         File f = new File(sync_first_tp_hit_path);
  66                         f.createNewFile();
  67                 }
  68         }
  69
  70         // Not mandatory, but cleaner
  71         logger.removeHandler(lttngHandler);
  72         lttngHandler.close();
  73     }
  74 }