/**
* Logback: the reliable, generic, fast and flexible logging framework.
* Copyright (C) 1999-2013, QOS.ch. All rights reserved.
*
* This program and the accompanying materials are dual-licensed under
* either the terms of the Eclipse Public License v1.0 as published by
* the Eclipse Foundation
*
* or (per the licensee's choosing)
*
* under the terms of the GNU Lesser General Public License version 2.1
* as published by the Free Software Foundation.
*/
package ch.qos.logback.classic.turbo;
import java.io.File;
import java.io.IOException;
import ch.qos.logback.core.testUtil.EnvUtilForTests;
import org.junit.Before;
import org.junit.Ignore;
import org.junit.Test;
import ch.qos.logback.classic.ClassicTestConstants;
import ch.qos.logback.classic.Logger;
import ch.qos.logback.classic.LoggerContext;
import ch.qos.logback.classic.issue.lbclassic135.LoggingRunnable;
import ch.qos.logback.classic.joran.JoranConfigurator;
import ch.qos.logback.core.contention.MultiThreadedHarness;
import ch.qos.logback.core.contention.RunnableWithCounterAndDone;
import ch.qos.logback.core.joran.spi.JoranException;
@Ignore
public class ReconfigurePerf {
final static int THREAD_COUNT = 500;
//final static int LOOP_LEN = 1000 * 1000;
// the space in the file name mandated by
// http://jira.qos.ch/browse/LBCORE-119
final static String CONF_FILE_AS_STR = ClassicTestConstants.INPUT_PREFIX
+ "turbo/scan_perf.xml";
// it actually takes time for Windows to propagate file modification changes
// values below 100 milliseconds can be problematic the same propagation
// latency occurs in Linux but is even larger (>600 ms)
final static int DEFAULT_SLEEP_BETWEEN_UPDATES = 110;
int sleepBetweenUpdates = DEFAULT_SLEEP_BETWEEN_UPDATES;
static int numberOfCycles = 100;
static int totalTestDuration;
LoggerContext loggerContext = new LoggerContext();
Logger logger = loggerContext.getLogger(this.getClass());
MultiThreadedHarness harness;
@Before
public void setUp() {
// take into account propagation latency occurs on Linux
if (EnvUtilForTests.isLinux()) {
sleepBetweenUpdates = 850;
totalTestDuration = sleepBetweenUpdates * numberOfCycles;
} else {
totalTestDuration = sleepBetweenUpdates * numberOfCycles * 2;
}
harness = new MultiThreadedHarness(totalTestDuration);
}
void configure(File file) throws JoranException {
JoranConfigurator jc = new JoranConfigurator();
jc.setContext(loggerContext);
jc.doConfigure(file);
}
RunnableWithCounterAndDone[] buildRunnableArray() {
RunnableWithCounterAndDone[] rArray = new RunnableWithCounterAndDone[THREAD_COUNT];
for (int i = 0; i < THREAD_COUNT; i++) {
rArray[i] = new LoggingRunnable(logger);
}
return rArray;
}
// Tests whether ConfigurationAction is installing ReconfigureOnChangeFilter
@Test
public void scan1() throws JoranException, IOException, InterruptedException {
File file = new File(CONF_FILE_AS_STR);
configure(file);
System.out.println("Running scan1()");
doRun();
}
void doRun() throws InterruptedException {
RunnableWithCounterAndDone[] runnableArray = buildRunnableArray();
harness.execute(runnableArray);
}
}