1 /* 2 * Copyright (c) 2018, Oracle and/or its affiliates. All rights reserved. 3 * 4 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 5 * 6 * The contents of this file are subject to the terms of either the Universal Permissive License 7 * v 1.0 as shown at http://oss.oracle.com/licenses/upl 8 * 9 * or the following license: 10 * 11 * Redistribution and use in source and binary forms, with or without modification, are permitted 12 * provided that the following conditions are met: 13 * 14 * 1. Redistributions of source code must retain the above copyright notice, this list of conditions 15 * and the following disclaimer. 16 * 17 * 2. Redistributions in binary form must reproduce the above copyright notice, this list of 18 * conditions and the following disclaimer in the documentation and/or other materials provided with 19 * the distribution. 20 * 21 * 3. Neither the name of the copyright holder nor the names of its contributors may be used to 22 * endorse or promote products derived from this software without specific prior written permission. 23 * 24 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR 25 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND 26 * FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR 27 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 28 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 29 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, 30 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY 31 * WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 32 */ 33 package org.openjdk.jmc.flightrecorder.rules.jdk.general; 34 35 import java.text.MessageFormat; 36 import java.util.Collection; 37 import java.util.Collections; 38 import java.util.concurrent.Callable; 39 import java.util.concurrent.FutureTask; 40 import java.util.concurrent.RunnableFuture; 41 42 import org.owasp.encoder.Encode; 43 44 import org.openjdk.jmc.common.item.IItemCollection; 45 import org.openjdk.jmc.common.util.IPreferenceValueProvider; 46 import org.openjdk.jmc.common.util.TypedPreference; 47 import org.openjdk.jmc.flightrecorder.jdk.JdkQueries; 48 import org.openjdk.jmc.flightrecorder.jdk.JdkTypeIDs; 49 import org.openjdk.jmc.flightrecorder.rules.IRule; 50 import org.openjdk.jmc.flightrecorder.rules.Result; 51 import org.openjdk.jmc.flightrecorder.rules.jdk.messages.internal.Messages; 52 import org.openjdk.jmc.flightrecorder.rules.util.JfrRuleTopics; 53 import org.openjdk.jmc.flightrecorder.rules.util.RulesToolkit; 54 import org.openjdk.jmc.flightrecorder.rules.util.RulesToolkit.EventAvailability; 55 56 public class RecordingSettingsRule implements IRule { 57 private static final String RECORDING_SETTINGS_RESULT_ID = "OverAggressiveRecordingSetting"; //$NON-NLS-1$ 58 59 private Result getResult(IItemCollection items, IPreferenceValueProvider valueProvider) { 60 EventAvailability eventAvailability = RulesToolkit.getEventAvailability(items, JdkTypeIDs.SYSTEM_PROPERTIES); 61 if (eventAvailability == EventAvailability.UNKNOWN || eventAvailability == EventAvailability.DISABLED) { 62 return RulesToolkit.getEventAvailabilityResult(this, items, eventAvailability, 63 JdkTypeIDs.SYSTEM_PROPERTIES); 64 } 65 66 String names = RulesToolkit.getTypesWithZeroThreshold(items, JdkTypeIDs.THREAD_PARK, JdkTypeIDs.MONITOR_ENTER); 67 if (names != null && names.length() > 0) { 68 String eventsWithoutThreshold = names.trim(); 69 return new Result(this, 50, 70 MessageFormat.format( 71 Messages.getString(Messages.OverAggressiveRecordingSettingRuleFactory_TEXT_INFO), 72 Encode.forHtml(eventsWithoutThreshold)), 73 Messages.getString(Messages.OverAggressiveRecordingSettingRuleFactory_TEXT_INFO_LONG), 74 JdkQueries.RECORDING_SETTINGS); 75 } 76 return new Result(this, 0, Messages.getString(Messages.OverAggressiveRecordingSettingRuleFactory_RULE_TEXT_OK)); 77 } 78 79 @Override 80 public RunnableFuture<Result> evaluate(final IItemCollection items, final IPreferenceValueProvider valueProvider) { 81 FutureTask<Result> evaluationTask = new FutureTask<>(new Callable<Result>() { 82 @Override 83 public Result call() throws Exception { 84 return getResult(items, valueProvider); 85 } 86 }); 87 return evaluationTask; 88 } 89 90 @Override 91 public Collection<TypedPreference<?>> getConfigurationAttributes() { 92 return Collections.emptyList(); 93 } 94 95 @Override 96 public String getId() { 97 return RECORDING_SETTINGS_RESULT_ID; 98 } 99 100 @Override 101 public String getName() { 102 return Messages.getString(Messages.OverAggressiveRecordingSettingRuleFactory_RULE_NAME); 103 } 104 105 @Override 106 public String getTopic() { 107 return JfrRuleTopics.RECORDING_TOPIC; 108 } 109 }