git.lttng.org Git - lttng-ust-java-tests.git/blob

   1 /*
   2  * Copyright (C) 2015, EfficiOS Inc., Alexandre Montplaisir <alexmonthy@efficios.com>
   3  *
   4  * This program is free software; you can redistribute it and/or modify
   5  * it under the terms of the GNU General Public License as published by
   6  * the Free Software Foundation; either version 2 of the License, or
   7  * (at your option) any later version.
   8  *
   9  * This program is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12  * GNU General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU General Public License along
  15  * with this program; if not, write to the Free Software Foundation, Inc.,
  16  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  17  */
  18
  19 package org.lttng.ust.agent.benchmarks.jul.handler.lttng.old;
  20
  21 import static org.junit.Assert.assertTrue;
  22 import static org.junit.Assert.fail;
  23
  24 import java.lang.reflect.Field;
  25
  26 import org.junit.After;
  27 import org.junit.Before;
  28 import org.lttng.ust.agent.LTTngAgent;
  29 import org.lttng.ust.agent.benchmarks.jul.handler.JulHandlerBenchmarkBase;
  30 import org.lttng.ust.agent.jul.LttngLogHandler;
  31 import org.lttng.ust.agent.utils.LttngSession;
  32 import org.lttng.ust.agent.utils.LttngSession.Domain;
  33
  34 @SuppressWarnings("deprecation")
  35 public class OldLttngJulHandlerTracingEnabledBenchmark extends JulHandlerBenchmarkBase {
  36
  37     private LttngSession session;
  38     private LttngLogHandler agentHandler;
  39
  40     @Before
  41     public void testSetup() {
  42         LTTngAgent agentInstance = LTTngAgent.getLTTngAgent();
  43
  44         /*
  45          * The "old API" works by attaching a handler managed by the agent to
  46          * the root JUL logger. This causes problems here, because we use
  47          * logger.setUserParentHandler(false), which does not trigger the
  48          * handler as would be expected.
  49          *
  50          * Instead we will retrieve this handler through reflection, and attach
  51          * it to our own logger here for the duration of the test.
  52          */
  53         try {
  54             Field julHandlerField = LTTngAgent.class.getDeclaredField("julHandler");
  55             julHandlerField.setAccessible(true);
  56             agentHandler = (LttngLogHandler) julHandlerField.get(agentInstance);
  57
  58             logger.addHandler(agentHandler);
  59
  60         } catch (ReflectiveOperationException e) {
  61             fail();
  62         }
  63
  64         session = new LttngSession(null, Domain.JUL);
  65         assertTrue(session.enableAllEvents());
  66         assertTrue(session.start());
  67     }
  68
  69     @After
  70     public void testTeardown() {
  71         assertTrue(session.stop());
  72         session.close();
  73
  74         logger.removeHandler(agentHandler);
  75         LTTngAgent.dispose();
  76     }
  77 }