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| 1 | +/* | |
| 2 | + * Copyright (c) 1998, 2004, 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 | +package com.sun.tools.jdi; | |
| 27 | + | |
| 28 | +import com.sun.tools.jdi.*; | |
| 29 | +import com.sun.jdi.connect.*; | |
| 30 | +import com.sun.jdi.connect.spi.*; | |
| 31 | +import com.sun.jdi.VirtualMachine; | |
| 32 | +import java.util.Map; | |
| 33 | +import java.util.HashMap; | |
| 34 | +import java.util.Random; | |
| 35 | +import java.io.IOException; | |
| 36 | +import java.io.File; | |
| 37 | + | |
| 38 | +public class SunCommandLineLauncher extends AbstractLauncher implements LaunchingConnector { | |
| 39 | + | |
| 40 | + static private final String ARG_HOME = "home"; | |
| 41 | + static private final String ARG_OPTIONS = "options"; | |
| 42 | + static private final String ARG_MAIN = "main"; | |
| 43 | + static private final String ARG_INIT_SUSPEND = "suspend"; | |
| 44 | + static private final String ARG_QUOTE = "quote"; | |
| 45 | + static private final String ARG_VM_EXEC = "vmexec"; | |
| 46 | + | |
| 47 | + TransportService transportService; | |
| 48 | + Transport transport; | |
| 49 | + boolean usingSharedMemory = false; | |
| 50 | + | |
| 51 | + TransportService transportService() { | |
| 52 | + return transportService; | |
| 53 | + } | |
| 54 | + | |
| 55 | + public Transport transport() { | |
| 56 | + return transport; | |
| 57 | + } | |
| 58 | + | |
| 59 | + public SunCommandLineLauncher() { | |
| 60 | + super(); | |
| 61 | + | |
| 62 | + /** | |
| 63 | + * By default this connector uses either the shared memory | |
| 64 | + * transport or the socket transport | |
| 65 | + */ | |
| 66 | + try { | |
| 67 | + Class c = Class.forName("com.sun.tools.jdi.SharedMemoryTransportService"); | |
| 68 | + transportService = (TransportService)c.newInstance(); | |
| 69 | + transport = new Transport() { | |
| 70 | + public String name() { | |
| 71 | + return "dt_shmem"; | |
| 72 | + } | |
| 73 | + }; | |
| 74 | + usingSharedMemory = true; | |
| 75 | + } catch (ClassNotFoundException x) { | |
| 76 | + } catch (UnsatisfiedLinkError x) { | |
| 77 | + } catch (InstantiationException x) { | |
| 78 | + } catch (IllegalAccessException x) { | |
| 79 | + }; | |
| 80 | + if (transportService == null) { | |
| 81 | + transportService = new SocketTransportService(); | |
| 82 | + transport = new Transport() { | |
| 83 | + public String name() { | |
| 84 | + return "dt_socket"; | |
| 85 | + } | |
| 86 | + }; | |
| 87 | + } | |
| 88 | + | |
| 89 | + addStringArgument( | |
| 90 | + ARG_HOME, | |
| 91 | + getString("sun.home.label"), | |
| 92 | + getString("sun.home"), | |
| 93 | + System.getProperty("java.home"), | |
| 94 | + false); | |
| 95 | + addStringArgument( | |
| 96 | + ARG_OPTIONS, | |
| 97 | + getString("sun.options.label"), | |
| 98 | + getString("sun.options"), | |
| 99 | + "", | |
| 100 | + false); | |
| 101 | + addStringArgument( | |
| 102 | + ARG_MAIN, | |
| 103 | + getString("sun.main.label"), | |
| 104 | + getString("sun.main"), | |
| 105 | + "", | |
| 106 | + true); | |
| 107 | + | |
| 108 | + addBooleanArgument( | |
| 109 | + ARG_INIT_SUSPEND, | |
| 110 | + getString("sun.init_suspend.label"), | |
| 111 | + getString("sun.init_suspend"), | |
| 112 | + true, | |
| 113 | + false); | |
| 114 | + | |
| 115 | + addStringArgument( | |
| 116 | + ARG_QUOTE, | |
| 117 | + getString("sun.quote.label"), | |
| 118 | + getString("sun.quote"), | |
| 119 | + "\"", | |
| 120 | + true); | |
| 121 | + addStringArgument( | |
| 122 | + ARG_VM_EXEC, | |
| 123 | + getString("sun.vm_exec.label"), | |
| 124 | + getString("sun.vm_exec"), | |
| 125 | + "java", | |
| 126 | + true); | |
| 127 | + } | |
| 128 | + | |
| 129 | + static boolean hasWhitespace(String string) { | |
| 130 | + int length = string.length(); | |
| 131 | + for (int i = 0; i < length; i++) { | |
| 132 | + if (Character.isWhitespace(string.charAt(i))) { | |
| 133 | + return true; | |
| 134 | + } | |
| 135 | + } | |
| 136 | + return false; | |
| 137 | + } | |
| 138 | + | |
| 139 | + public VirtualMachine | |
| 140 | + launch(Map<String,? extends Connector.Argument> arguments) | |
| 141 | + throws IOException, IllegalConnectorArgumentsException, | |
| 142 | + VMStartException | |
| 143 | + { | |
| 144 | + VirtualMachine vm; | |
| 145 | + | |
| 146 | + String home = argument(ARG_HOME, arguments).value(); | |
| 147 | + String options = argument(ARG_OPTIONS, arguments).value(); | |
| 148 | + String mainClassAndArgs = argument(ARG_MAIN, arguments).value(); | |
| 149 | + boolean wait = ((BooleanArgumentImpl)argument(ARG_INIT_SUSPEND, | |
| 150 | + arguments)).booleanValue(); | |
| 151 | + String quote = argument(ARG_QUOTE, arguments).value(); | |
| 152 | + String exe = argument(ARG_VM_EXEC, arguments).value(); | |
| 153 | + String exePath = null; | |
| 154 | + | |
| 155 | + if (quote.length() > 1) { | |
| 156 | + throw new IllegalConnectorArgumentsException("Invalid length", | |
| 157 | + ARG_QUOTE); | |
| 158 | + } | |
| 159 | + | |
| 160 | + if ((options.indexOf("-Djava.compiler=") != -1) && | |
| 161 | + (options.toLowerCase().indexOf("-djava.compiler=none") == -1)) { | |
| 162 | + throw new IllegalConnectorArgumentsException("Cannot debug with a JIT compiler", | |
| 163 | + ARG_OPTIONS); | |
| 164 | + } | |
| 165 | + | |
| 166 | + /* | |
| 167 | + * Start listening. | |
| 168 | + * If we're using the shared memory transport then we pick a | |
| 169 | + * random address rather than using the (fixed) default. | |
| 170 | + * Random() uses System.currentTimeMillis() as the seed | |
| 171 | + * which can be a problem on windows (many calls to | |
| 172 | + * currentTimeMillis can return the same value), so | |
| 173 | + * we do a few retries if we get an IOException (we | |
| 174 | + * assume the IOException is the filename is already in use.) | |
| 175 | + */ | |
| 176 | + TransportService.ListenKey listenKey; | |
| 177 | + if (usingSharedMemory) { | |
| 178 | + Random rr = new Random(); | |
| 179 | + int failCount = 0; | |
| 180 | + while(true) { | |
| 181 | + try { | |
| 182 | + String address = "javadebug" + | |
| 183 | + String.valueOf(rr.nextInt(100000)); | |
| 184 | + listenKey = transportService().startListening(address); | |
| 185 | + break; | |
| 186 | + } catch (IOException ioe) { | |
| 187 | + if (++failCount > 5) { | |
| 188 | + throw ioe; | |
| 189 | + } | |
| 190 | + } | |
| 191 | + } | |
| 192 | + } else { | |
| 193 | + listenKey = transportService().startListening(); | |
| 194 | + } | |
| 195 | + String address = listenKey.address(); | |
| 196 | + | |
| 197 | + try { | |
| 198 | + if (home.length() > 0) { | |
| 199 | + /* | |
| 200 | + * A wrinkle in the environment: | |
| 201 | + * 64-bit executables are stored under $JAVA_HOME/bin/os_arch | |
| 202 | + * 32-bit executables are stored under $JAVA_HOME/bin | |
| 203 | + */ | |
| 204 | + String os_arch = System.getProperty("os.arch"); | |
| 205 | + if ("SunOS".equals(System.getProperty("os.name")) && | |
| 206 | + ("sparcv9".equals(os_arch) || "amd64".equals(os_arch))) { | |
| 207 | + exePath = home + File.separator + "bin" + File.separator + | |
| 208 | + os_arch + File.separator + exe; | |
| 209 | + } else { | |
| 210 | + exePath = home + File.separator + "bin" + File.separator + exe; | |
| 211 | + } | |
| 212 | + } else { | |
| 213 | + exePath = exe; | |
| 214 | + } | |
| 215 | + // Quote only if necessary in case the quote arg value is bogus | |
| 216 | + if (hasWhitespace(exe)) { | |
| 217 | + exePath = quote + exePath + quote; | |
| 218 | + } | |
| 219 | + | |
| 220 | + String xrun = "transport=" + transport().name() + | |
| 221 | + ",address=" + address + | |
| 222 | + ",suspend=" + (wait? 'y' : 'n'); | |
| 223 | + // Quote only if necessary in case the quote arg value is bogus | |
| 224 | + if (hasWhitespace(xrun)) { | |
| 225 | + xrun = quote + xrun + quote; | |
| 226 | + } | |
| 227 | + | |
| 228 | + String command = exePath + ' ' + | |
| 229 | + options + ' ' + | |
| 230 | + "-Xdebug " + | |
| 231 | + "-Xrunjdwp:" + xrun + ' ' + | |
| 232 | + mainClassAndArgs; | |
| 233 | + | |
| 234 | + // System.err.println("Command: \"" + command + '"'); | |
| 235 | + vm = launch(tokenizeCommand(command, quote.charAt(0)), address, listenKey, | |
| 236 | + transportService()); | |
| 237 | + } finally { | |
| 238 | + transportService().stopListening(listenKey); | |
| 239 | + } | |
| 240 | + | |
| 241 | + return vm; | |
| 242 | + } | |
| 243 | + | |
| 244 | + public String name() { | |
| 245 | + return "com.sun.jdi.CommandLineLaunch"; | |
| 246 | + } | |
| 247 | + | |
| 248 | + public String description() { | |
| 249 | + return getString("sun.description"); | |
| 250 | + | |
| 251 | + } | |
| 252 | +} | |