| /* |
| * Copyright (c) 2018, Oracle and/or its affiliates. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. Oracle designates this |
| * particular file as subject to the "Classpath" exception as provided |
| * by Oracle in the LICENSE file that accompanied this code. |
| * |
| * This code is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| */ |
| |
| package jdk.jfr.event.metadata; |
| |
| import java.io.IOException; |
| import java.io.StringReader; |
| import java.util.ArrayList; |
| import java.util.Collection; |
| import java.util.HashMap; |
| import java.util.HashSet; |
| import java.util.List; |
| import java.util.Map; |
| import java.util.Set; |
| |
| import javax.xml.parsers.DocumentBuilder; |
| import javax.xml.parsers.DocumentBuilderFactory; |
| import javax.xml.parsers.ParserConfigurationException; |
| |
| import jdk.jfr.Configuration; |
| import jdk.jfr.EventType; |
| import jdk.jfr.FlightRecorder; |
| import jdk.jfr.SettingDescriptor; |
| import jdk.test.lib.jfr.EventNames; |
| |
| import org.w3c.dom.Attr; |
| import org.w3c.dom.Document; |
| import org.w3c.dom.Element; |
| import org.w3c.dom.Node; |
| import org.w3c.dom.NodeList; |
| import org.xml.sax.InputSource; |
| import org.xml.sax.SAXException; |
| |
| /* |
| * @test |
| * @key jfr |
| * |
| * @library /test/lib |
| * @modules java.xml |
| * jdk.jfr |
| * |
| * @run main/othervm jdk.jfr.event.metadata.TestDefaultConfigurations |
| */ |
| public class TestDefaultConfigurations { |
| |
| private static final String LINE_SEPARATOR = System.getProperty("line.separator"); |
| |
| public static void main(String[] args) throws Exception { |
| List<String> errors = new ArrayList<>(); |
| |
| errors.addAll(testConfiguration(Configuration.getConfiguration("default"))); |
| errors.addAll(testConfiguration(Configuration.getConfiguration("profile"))); |
| |
| if (!errors.isEmpty()) { |
| throwExceptionWithErrors(errors); |
| } |
| } |
| |
| private static List<String> testConfiguration(Configuration config) throws ParserConfigurationException, SAXException, IOException { |
| List<String> errors = new ArrayList<>(); |
| |
| Map<String, EventType> eventTypeLookup = new HashMap<>(); |
| for (EventType t : FlightRecorder.getFlightRecorder().getEventTypes()) { |
| eventTypeLookup.put(t.getName(), t); |
| } |
| String content = config.getContents(); |
| Document doc = createDocument(content); |
| Element configuration = doc.getDocumentElement(); |
| errors.addAll(checkConfiguration(configuration)); |
| for (Element event : getChildElements(configuration, "event")) { |
| String name = event.getAttribute("name"); |
| |
| EventType cd = eventTypeLookup.get(name); |
| if (cd != null) { |
| errors.addAll(checkSettings(config, cd, event)); |
| } else { |
| errors.add("Preset '" + config.getName() + "' reference unknown event '" + name + "'"); |
| } |
| eventTypeLookup.remove(name); |
| } |
| for (String name : eventTypeLookup.keySet()) { |
| errors.add("Preset '" + config.getName() + "' doesn't configure event '" + name + "'"); |
| } |
| |
| return errors; |
| } |
| |
| private static void throwExceptionWithErrors(List<String> errors) throws Exception { |
| StringBuilder sb = new StringBuilder(); |
| for (String error : errors) { |
| sb.append(error); |
| sb.append(LINE_SEPARATOR); |
| } |
| throw new Exception(sb.toString()); |
| } |
| |
| private static List<String> checkConfiguration(Element configuration) { |
| List<String> errors = new ArrayList<>(); |
| if (configuration.getAttribute("description").length() < 2) { |
| errors.add("Configuration should have a valid description!"); |
| } |
| if (configuration.getAttribute("label").length() < 2) { |
| errors.add("Configuration should have a label!"); |
| } |
| if (!configuration.getAttribute("provider").equals("Oracle")) { |
| errors.add("Configuration should set provider to 'Oracle'!"); |
| } |
| return errors; |
| } |
| |
| private static List<String> checkSettings(Configuration config, EventType eventType, Element event) { |
| List<String> errors = new ArrayList<>(); |
| |
| Set<String> requiredSettings = createRequiredSettingNameSet(eventType); |
| for (Element setting : getChildElements(event, "setting")) { |
| String settingName = setting.getAttribute("name"); |
| if (requiredSettings.contains(settingName)) { |
| requiredSettings.remove(settingName); |
| } else { |
| errors.add("Setting '" + settingName + "' for event '" + eventType.getName() + "' should not be part of confirguaration '" + config.getName() |
| + "' since it won't have an impact on the event."); |
| } |
| } |
| for (String required : requiredSettings) { |
| errors.add("Setting '" + required + "' in event '" + eventType.getName() + "' was not configured in the configuration '" + config.getName() + "'"); |
| } |
| |
| return errors; |
| } |
| |
| private static Set<String> createRequiredSettingNameSet(EventType cd) { |
| Set<String> requiredSettings = new HashSet<>(); |
| for (SettingDescriptor s : cd.getSettingDescriptors()) { |
| requiredSettings.add(s.getName()); |
| } |
| return requiredSettings; |
| } |
| |
| private static Document createDocument(String content) throws ParserConfigurationException, SAXException, IOException { |
| DocumentBuilderFactory dbFactory = DocumentBuilderFactory.newInstance(); |
| DocumentBuilder dBuilder = dbFactory.newDocumentBuilder(); |
| Document doc = dBuilder.parse(new InputSource(new StringReader(content))); |
| doc.getDocumentElement().normalize(); |
| // Don't want to add these settings to the jfc-files we ship since they |
| // are not useful to configure. They are however needed to make the test |
| // pass. |
| insertSetting(doc, EventNames.ActiveSetting, "stackTrace", "false"); |
| insertSetting(doc, EventNames.ActiveSetting, "threshold", "0 ns"); |
| insertSetting(doc, EventNames.ActiveRecording, "stackTrace", "false"); |
| insertSetting(doc, EventNames.ActiveRecording, "threshold", "0 ns"); |
| insertSetting(doc, EventNames.JavaExceptionThrow, "threshold", "0 ns"); |
| insertSetting(doc, EventNames.JavaErrorThrow, "threshold", "0 ns"); |
| return doc; |
| } |
| |
| private static void insertSetting(Document doc, String eventName, String settingName, String settingValue) { |
| for (Element event : getChildElements(doc.getDocumentElement(), "event")) { |
| Attr attribute = event.getAttributeNode("name"); |
| if (attribute != null) { |
| if (eventName.equals(attribute.getValue())) { |
| Element setting = doc.createElement("setting"); |
| setting.setAttribute("name", settingName); |
| setting.setTextContent(settingValue); |
| event.appendChild(setting); |
| } |
| } |
| } |
| } |
| |
| private static Collection<Element> getChildElements(Element parent, String name) { |
| NodeList elementsByTagName = parent.getElementsByTagName(name); |
| List<Element> elements = new ArrayList<>(); |
| for (int i = 0; i < elementsByTagName.getLength(); i++) { |
| Node node = elementsByTagName.item(i); |
| if (node.getNodeType() == Node.ELEMENT_NODE) { |
| elements.add((Element) node); |
| } |
| } |
| return elements; |
| } |
| } |