test/jdk/jdk/jfr/api/settings/TestFilterEvents.java

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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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 * accompanied this code).
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package jdk.jfr.api.settings;

import jdk.jfr.Description;
import jdk.jfr.Event;
import jdk.jfr.Label;
import jdk.jfr.Recording;
import jdk.jfr.SettingDefinition;
import jdk.test.lib.jfr.Events;

import static jdk.test.lib.Asserts.assertEquals;

/**
 * @test
 * @summary The test uses SettingControl
 * @key jfr
 * @requires vm.hasJFR
 * @library /test/lib /test/jdk
 * @run main/othervm jdk.jfr.api.settings.TestFilterEvents
 */
public class TestFilterEvents {

    private static class AbstractHTTPEvent extends Event {
        @Label("HTTP URI")
        protected String uri;

        @Label("URI Filter")
        @SettingDefinition
        protected boolean uriFilter(RegExpControl control) {
            return control.matches(uri);
        }
    }

    private static final class HTTPGetEvent extends AbstractHTTPEvent {
        @Label("Thread Names")
        @Description("List of thread names to accept, such as \"main\" or \"workerThread1\", \"taskThread\"")
        @SettingDefinition
        private boolean threadNames(StringListSetting setting) {
            return setting.accept(Thread.currentThread().getName());
        }

    }
    private static final class HTTPPostEvent extends AbstractHTTPEvent {
    }

    public static void main(String[] args) throws Exception {
        Recording continuous = new Recording();
        continuous.enable(HTTPGetEvent.class).with("threadNames", "\"unused-threadname-1\"");
        assertEquals(0, makeProfilingRecording("\"unused-threadname-2\""));
        assertEquals(1, makeProfilingRecording("\"" + Thread.currentThread().getName() + "\""));
        continuous.close();
    }

    private static int makeProfilingRecording(String threadNames) throws Exception {
        try (Recording recording = new Recording()) {
            recording.enable(HTTPGetEvent.class).with("threadNames", threadNames);
            recording.enable(HTTPGetEvent.class).with("uriFilter", "https://www.example.com/list/.*");
            recording.enable(HTTPPostEvent.class).with("uriFilter", "https://www.example.com/list/.*");
            recording.start();

            HTTPGetEvent getEvent = new HTTPGetEvent();
            getEvent.uri = "https://www.example.com/list/item?id=4";
            getEvent.commit();

            HTTPPostEvent postEvent = new HTTPPostEvent();
            postEvent.uri = "https://www.example.com/admin/login?name=john";
            postEvent.commit();

            recording.stop();

            return Events.fromRecording(recording).size();
        }
    }

}