| 1 | package org.lttng.ust.agent.jul.benchmarks.handler.lttng.old; |
| 2 | |
| 3 | import static org.junit.Assert.assertTrue; |
| 4 | import static org.junit.Assert.fail; |
| 5 | |
| 6 | import java.io.IOException; |
| 7 | import java.lang.reflect.Field; |
| 8 | |
| 9 | import org.junit.After; |
| 10 | import org.junit.Before; |
| 11 | import org.lttng.ust.agent.LTTngAgent; |
| 12 | import org.lttng.ust.agent.jul.LTTngJUL; |
| 13 | import org.lttng.ust.agent.jul.LTTngLogHandler; |
| 14 | import org.lttng.ust.agent.jul.benchmarks.handler.AbstractJulBenchmark; |
| 15 | import org.lttng.ust.agent.jul.benchmarks.utils.LttngSessionControl; |
| 16 | |
| 17 | @SuppressWarnings("deprecation") |
| 18 | public class OldLttngJulHandlerTracingEnabledBenchmark extends AbstractJulBenchmark { |
| 19 | |
| 20 | private LTTngAgent agent; |
| 21 | private LTTngLogHandler oldHandler; |
| 22 | |
| 23 | @Before |
| 24 | public void testSetup() throws IOException { |
| 25 | agent = LTTngAgent.getLTTngAgent(); |
| 26 | |
| 27 | /* |
| 28 | * The "old API" works by attaching a handler managed by the agent to |
| 29 | * the root JUL logger. This causes problem here, because we use |
| 30 | * logger.setUserParentHandler(false), which does not trigger the |
| 31 | * handler as would be expected. |
| 32 | * |
| 33 | * Instead we will retrieve this handler through reflection, and attach |
| 34 | * it to our own logger here for the duration of the test. |
| 35 | */ |
| 36 | try { |
| 37 | Field julRootField = LTTngAgent.class.getDeclaredField("julRoot"); |
| 38 | julRootField.setAccessible(true); |
| 39 | LTTngJUL lf = (LTTngJUL) julRootField.get(null); // static field |
| 40 | |
| 41 | Field handlerField = LTTngJUL.class.getDeclaredField("handler"); |
| 42 | handlerField.setAccessible(true); |
| 43 | oldHandler = (LTTngLogHandler) handlerField.get(lf); |
| 44 | |
| 45 | logger.addHandler(oldHandler); |
| 46 | |
| 47 | } catch (ReflectiveOperationException e) { |
| 48 | fail(); |
| 49 | } |
| 50 | |
| 51 | assertTrue(LttngSessionControl.setupJulSessionAllEvents()); |
| 52 | } |
| 53 | |
| 54 | @After |
| 55 | public void testTeardown() { |
| 56 | assertTrue(LttngSessionControl.stopSession()); |
| 57 | assertTrue(LttngSessionControl.destroySession()); |
| 58 | |
| 59 | logger.removeHandler(oldHandler); |
| 60 | agent.dispose(); |
| 61 | } |
| 62 | } |