Showing the changes to java/pkg/com/sun/tools/hat/Main.java (1 of 18352 files). Show all
Unified · Split
| @@ -0,0 +1,212 @@ | ||
| 1 | +/* | |
| 2 | + * Copyright (c) 2005, 2008, Oracle and/or its affiliates. All rights reserved. | |
| 3 | + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. | |
| 4 | + * | |
| 5 | + * This code is free software; you can redistribute it and/or modify it | |
| 6 | + * under the terms of the GNU General Public License version 2 only, as | |
| 7 | + * published by the Free Software Foundation. Oracle designates this | |
| 8 | + * particular file as subject to the "Classpath" exception as provided | |
| 9 | + * by Oracle in the LICENSE file that accompanied this code. | |
| 10 | + * | |
| 11 | + * This code is distributed in the hope that it will be useful, but WITHOUT | |
| 12 | + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
| 13 | + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
| 14 | + * version 2 for more details (a copy is included in the LICENSE file that | |
| 15 | + * accompanied this code). | |
| 16 | + * | |
| 17 | + * You should have received a copy of the GNU General Public License version | |
| 18 | + * 2 along with this work; if not, write to the Free Software Foundation, | |
| 19 | + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. | |
| 20 | + * | |
| 21 | + * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA | |
| 22 | + * or visit www.oracle.com if you need additional information or have any | |
| 23 | + * questions. | |
| 24 | + */ | |
| 25 | + | |
| 26 | +/* | |
| 27 | + * The Original Code is HAT. The Initial Developer of the | |
| 28 | + * Original Code is Bill Foote, with contributions from others | |
| 29 | + * at JavaSoft/Sun. | |
| 30 | + */ | |
| 31 | + | |
| 32 | +package com.sun.tools.hat; | |
| 33 | + | |
| 34 | +import java.io.IOException; | |
| 35 | +import java.io.File; | |
| 36 | + | |
| 37 | +import com.sun.tools.hat.internal.model.Snapshot; | |
| 38 | +import com.sun.tools.hat.internal.model.ReachableExcludesImpl; | |
| 39 | +import com.sun.tools.hat.internal.server.QueryListener; | |
| 40 | + | |
| 41 | +/** | |
| 42 | + * | |
| 43 | + * @author Bill Foote | |
| 44 | + */ | |
| 45 | + | |
| 46 | + | |
| 47 | +public class Main { | |
| 48 | + | |
| 49 | + private static String VERSION_STRING = "jhat version 2.0"; | |
| 50 | + | |
| 51 | + private static void usage(String message) { | |
| 52 | + if ( message != null ) { | |
| 53 | + System.err.println("ERROR: " + message); | |
| 54 | + } | |
| 55 | + System.err.println("Usage: jhat [-stack <bool>] [-refs <bool>] [-port <port>] [-baseline <file>] [-debug <int>] [-version] [-h|-help] <file>"); | |
| 56 | + System.err.println(); | |
| 57 | + System.err.println("\t-J<flag> Pass <flag> directly to the runtime system. For"); | |
| 58 | + System.err.println("\t\t\t example, -J-mx512m to use a maximum heap size of 512MB"); | |
| 59 | + System.err.println("\t-stack false: Turn off tracking object allocation call stack."); | |
| 60 | + System.err.println("\t-refs false: Turn off tracking of references to objects"); | |
| 61 | + System.err.println("\t-port <port>: Set the port for the HTTP server. Defaults to 7000"); | |
| 62 | + System.err.println("\t-exclude <file>: Specify a file that lists data members that should"); | |
| 63 | + System.err.println("\t\t\t be excluded from the reachableFrom query."); | |
| 64 | + System.err.println("\t-baseline <file>: Specify a baseline object dump. Objects in"); | |
| 65 | + System.err.println("\t\t\t both heap dumps with the same ID and same class will"); | |
| 66 | + System.err.println("\t\t\t be marked as not being \"new\"."); | |
| 67 | + System.err.println("\t-debug <int>: Set debug level."); | |
| 68 | + System.err.println("\t\t\t 0: No debug output"); | |
| 69 | + System.err.println("\t\t\t 1: Debug hprof file parsing"); | |
| 70 | + System.err.println("\t\t\t 2: Debug hprof file parsing, no server"); | |
| 71 | + System.err.println("\t-version Report version number"); | |
| 72 | + System.err.println("\t-h|-help Print this help and exit"); | |
| 73 | + System.err.println("\t<file> The file to read"); | |
| 74 | + System.err.println(); | |
| 75 | + System.err.println("For a dump file that contains multiple heap dumps,"); | |
| 76 | + System.err.println("you may specify which dump in the file"); | |
| 77 | + System.err.println("by appending \"#<number>\" to the file name, i.e. \"foo.hprof#3\"."); | |
| 78 | + System.err.println(); | |
| 79 | + System.err.println("All boolean options default to \"true\""); | |
| 80 | + System.exit(1); | |
| 81 | + } | |
| 82 | + | |
| 83 | + // | |
| 84 | + // Convert s to a boolean. If it's invalid, abort the program. | |
| 85 | + // | |
| 86 | + private static boolean booleanValue(String s) { | |
| 87 | + if ("true".equalsIgnoreCase(s)) { | |
| 88 | + return true; | |
| 89 | + } else if ("false".equalsIgnoreCase(s)) { | |
| 90 | + return false; | |
| 91 | + } else { | |
| 92 | + usage("Boolean value must be true or false"); | |
| 93 | + return false; // Never happens | |
| 94 | + } | |
| 95 | + } | |
| 96 | + | |
| 97 | + public static void main(String[] args) { | |
| 98 | + if (args.length < 1) { | |
| 99 | + usage("No arguments supplied"); | |
| 100 | + } | |
| 101 | + | |
| 102 | + boolean parseonly = false; | |
| 103 | + int portNumber = 7000; | |
| 104 | + boolean callStack = true; | |
| 105 | + boolean calculateRefs = true; | |
| 106 | + String baselineDump = null; | |
| 107 | + String excludeFileName = null; | |
| 108 | + int debugLevel = 0; | |
| 109 | + for (int i = 0; ; i += 2) { | |
| 110 | + if (i > (args.length - 1)) { | |
| 111 | + usage("Option parsing error"); | |
| 112 | + } | |
| 113 | + if ("-version".equals(args[i])) { | |
| 114 | + System.out.print(VERSION_STRING); | |
| 115 | + System.out.println(" (java version " + System.getProperty("java.version") + ")"); | |
| 116 | + System.exit(0); | |
| 117 | + } | |
| 118 | + | |
| 119 | + if ("-h".equals(args[i]) || "-help".equals(args[i])) { | |
| 120 | + usage(null); | |
| 121 | + } | |
| 122 | + | |
| 123 | + if (i == (args.length - 1)) { | |
| 124 | + break; | |
| 125 | + } | |
| 126 | + String key = args[i]; | |
| 127 | + String value = args[i+1]; | |
| 128 | + if ("-stack".equals(key)) { | |
| 129 | + callStack = booleanValue(value); | |
| 130 | + } else if ("-refs".equals(key)) { | |
| 131 | + calculateRefs = booleanValue(value); | |
| 132 | + } else if ("-port".equals(key)) { | |
| 133 | + portNumber = Integer.parseInt(value, 10); | |
| 134 | + } else if ("-exclude".equals(key)) { | |
| 135 | + excludeFileName = value; | |
| 136 | + } else if ("-baseline".equals(key)) { | |
| 137 | + baselineDump = value; | |
| 138 | + } else if ("-debug".equals(key)) { | |
| 139 | + debugLevel = Integer.parseInt(value, 10); | |
| 140 | + } else if ("-parseonly".equals(key)) { | |
| 141 | + // Undocumented option. To be used for testing purpose only | |
| 142 | + parseonly = booleanValue(value); | |
| 143 | + } | |
| 144 | + } | |
| 145 | + String fileName = args[args.length - 1]; | |
| 146 | + Snapshot model = null; | |
| 147 | + File excludeFile = null; | |
| 148 | + if (excludeFileName != null) { | |
| 149 | + excludeFile = new File(excludeFileName); | |
| 150 | + if (!excludeFile.exists()) { | |
| 151 | + System.out.println("Exclude file " + excludeFile | |
| 152 | + + " does not exist. Aborting."); | |
| 153 | + System.exit(1); | |
| 154 | + } | |
| 155 | + } | |
| 156 | + | |
| 157 | + System.out.println("Reading from " + fileName + "..."); | |
| 158 | + try { | |
| 159 | + model = com.sun.tools.hat.internal.parser.Reader.readFile(fileName, callStack, debugLevel); | |
| 160 | + } catch (IOException ex) { | |
| 161 | + ex.printStackTrace(); | |
| 162 | + System.exit(1); | |
| 163 | + } catch (RuntimeException ex) { | |
| 164 | + ex.printStackTrace(); | |
| 165 | + System.exit(1); | |
| 166 | + } | |
| 167 | + System.out.println("Snapshot read, resolving..."); | |
| 168 | + model.resolve(calculateRefs); | |
| 169 | + System.out.println("Snapshot resolved."); | |
| 170 | + | |
| 171 | + if (excludeFile != null) { | |
| 172 | + model.setReachableExcludes(new ReachableExcludesImpl(excludeFile)); | |
| 173 | + } | |
| 174 | + | |
| 175 | + if (baselineDump != null) { | |
| 176 | + System.out.println("Reading baseline snapshot..."); | |
| 177 | + Snapshot baseline = null; | |
| 178 | + try { | |
| 179 | + baseline = com.sun.tools.hat.internal.parser.Reader.readFile(baselineDump, false, | |
| 180 | + debugLevel); | |
| 181 | + } catch (IOException ex) { | |
| 182 | + ex.printStackTrace(); | |
| 183 | + System.exit(1); | |
| 184 | + } catch (RuntimeException ex) { | |
| 185 | + ex.printStackTrace(); | |
| 186 | + System.exit(1); | |
| 187 | + } | |
| 188 | + baseline.resolve(false); | |
| 189 | + System.out.println("Discovering new objects..."); | |
| 190 | + model.markNewRelativeTo(baseline); | |
| 191 | + baseline = null; // Guard against conservative GC | |
| 192 | + } | |
| 193 | + if ( debugLevel == 2 ) { | |
| 194 | + System.out.println("No server, -debug 2 was used."); | |
| 195 | + System.exit(0); | |
| 196 | + } | |
| 197 | + | |
| 198 | + if (parseonly) { | |
| 199 | + // do not start web server. | |
| 200 | + System.out.println("-parseonly is true, exiting.."); | |
| 201 | + System.exit(0); | |
| 202 | + } | |
| 203 | + | |
| 204 | + QueryListener listener = new QueryListener(portNumber); | |
| 205 | + listener.setModel(model); | |
| 206 | + Thread t = new Thread(listener, "Query Listener"); | |
| 207 | + t.setPriority(Thread.NORM_PRIORITY+1); | |
| 208 | + t.start(); | |
| 209 | + System.out.println("Started HTTP server on port " + portNumber); | |
| 210 | + System.out.println("Server is ready."); | |
| 211 | + } | |
| 212 | +} | |