1 /* |
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2 * Copyright (c) 2008, 2010, Oracle and/or its affiliates. All rights reserved. |
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3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
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4 * |
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5 * This code is free software; you can redistribute it and/or modify it |
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6 * under the terms of the GNU General Public License version 2 only, as |
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7 * published by the Free Software Foundation. Oracle designates this |
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8 * particular file as subject to the "Classpath" exception as provided |
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9 * by Oracle in the LICENSE file that accompanied this code. |
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10 * |
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11 * This code is distributed in the hope that it will be useful, but WITHOUT |
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12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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14 * version 2 for more details (a copy is included in the LICENSE file that |
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15 * accompanied this code). |
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16 * |
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17 * You should have received a copy of the GNU General Public License version |
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18 * 2 along with this work; if not, write to the Free Software Foundation, |
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19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
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20 * |
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21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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22 * or visit www.oracle.com if you need additional information or have any |
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23 * questions. |
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24 */ |
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25 package sun.jkernel; |
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26 |
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27 import java.io.*; |
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28 import java.net.URLStreamHandlerFactory; |
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29 import java.net.URL; |
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30 import java.net.MalformedURLException; |
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31 import java.security.*; |
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32 import java.util.*; |
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33 import java.util.concurrent.*; |
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34 import java.util.jar.*; |
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35 import java.util.zip.*; |
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36 import sun.misc.BootClassLoaderHook; |
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37 import sun.misc.Launcher; |
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38 import sun.misc.URLClassPath; |
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39 import sun.net.www.ParseUtil; |
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40 |
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41 /** |
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42 * Handles the downloading of additional JRE components. The bootstrap class |
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43 * loader automatically invokes DownloadManager when it comes across a resource |
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44 * that can't be located. |
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45 * |
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46 *@author Ethan Nicholas |
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47 */ |
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48 public class DownloadManager extends BootClassLoaderHook { |
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49 public static final String KERNEL_DOWNLOAD_URL_PROPERTY = |
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50 "kernel.download.url"; |
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51 public static final String KERNEL_DOWNLOAD_ENABLED_PROPERTY = |
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52 "kernel.download.enabled"; |
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53 |
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54 public static final String KERNEL_DOWNLOAD_DIALOG_PROPERTY = |
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55 "kernel.download.dialog"; |
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56 |
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57 public static final String KERNEL_DEBUG_PROPERTY = "kernel.debug"; |
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58 // disables JRE completion when set to true, used as part of the build |
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59 // process |
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60 public static final String KERNEL_NOMERGE_PROPERTY = "kernel.nomerge"; |
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61 |
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62 public static final String KERNEL_SIMULTANEOUS_DOWNLOADS_PROPERTY = |
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63 "kernel.simultaneous.downloads"; |
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64 |
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65 // used to bypass some problems with JAR entry modtimes not matching. |
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66 // originally was set to zero, but apparently the epochs are different |
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67 // for zip and pack so the pack/unpack cycle was causing the modtimes |
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68 // to change. With some recent changes to the reconstruction, I'm |
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69 // not sure if this is actually necessary anymore. |
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70 public static final int KERNEL_STATIC_MODTIME = 10000000; |
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71 |
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72 // indicates that bundles should be grabbed using getResource(), rather |
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73 // than downloaded from a network path -- this is used during the build |
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74 // process |
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75 public static final String RESOURCE_URL = "internal-resource/"; |
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76 public static final String REQUESTED_BUNDLES_PATH = "lib" + File.separator + |
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77 "bundles" + File.separator + "requested.list"; |
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78 |
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79 private static final boolean disableDownloadDialog = "false".equals( |
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80 System.getProperty(KERNEL_DOWNLOAD_DIALOG_PROPERTY)); |
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81 |
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82 static boolean debug = "true".equals( |
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83 System.getProperty(KERNEL_DEBUG_PROPERTY)); |
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84 // points to stderr in case we need to println before System.err is |
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85 // initialized |
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86 private static OutputStream errorStream; |
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87 private static OutputStream logStream; |
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88 |
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89 static String MUTEX_PREFIX; |
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90 |
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91 static boolean complete; |
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92 |
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93 // 1 if jbroker started; 0 otherwise |
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94 private static int _isJBrokerStarted = -1; |
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95 |
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96 // maps bundle names to URL strings |
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97 private static Properties bundleURLs; |
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98 |
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99 public static final String JAVA_HOME = System.getProperty("java.home"); |
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100 public static final String USER_HOME = System.getProperty("user.home"); |
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101 public static final String JAVA_VERSION = |
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102 System.getProperty("java.version"); |
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103 static final int BUFFER_SIZE = 2048; |
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104 |
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105 static volatile boolean jkernelLibLoaded = false; |
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106 |
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107 public static String DEFAULT_DOWNLOAD_URL = |
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108 "http://javadl.sun.com/webapps/download/GetList/" |
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109 + System.getProperty("java.runtime.version") + "-kernel/windows-i586/"; |
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110 |
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111 private static final String CUSTOM_PREFIX = "custom"; |
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112 private static final String KERNEL_PATH_SUFFIX = "-kernel"; |
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113 |
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114 public static final String JAR_PATH_PROPERTY = "jarpath"; |
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115 public static final String SIZE_PROPERTY = "size"; |
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116 public static final String DEPENDENCIES_PROPERTY = "dependencies"; |
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117 public static final String INSTALL_PROPERTY = "install"; |
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118 |
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119 private static boolean reportErrors = true; |
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120 |
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121 static final int ERROR_UNSPECIFIED = 0; |
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122 static final int ERROR_DISK_FULL = 1; |
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123 static final int ERROR_MALFORMED_BUNDLE_PROPERTIES = 2; |
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124 static final int ERROR_DOWNLOADING_BUNDLE_PROPERTIES = 3; |
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125 static final int ERROR_MALFORMED_URL = 4; |
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126 static final int ERROR_RETRY_CANCELLED = 5; |
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127 static final int ERROR_NO_SUCH_BUNDLE = 6; |
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128 |
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129 |
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130 // tracks whether the current thread is downloading. A count of zero means |
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131 // not currently downloading, >0 means the current thread is downloading or |
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132 // installing a bundle. |
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133 static ThreadLocal<Integer> downloading = new ThreadLocal<Integer>() { |
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134 protected Integer initialValue() { |
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135 return 0; |
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136 } |
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137 }; |
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138 |
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139 private static File[] additionalBootStrapPaths = { }; |
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140 |
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141 private static String[] bundleNames; |
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142 private static String[] criticalBundleNames; |
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143 |
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144 private static String downloadURL; |
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145 |
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146 private static boolean visitorIdDetermined; |
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147 private static String visitorId; |
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148 |
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149 /** |
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150 * File and path where the Check value properties are gotten from |
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151 */ |
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152 public static String CHECK_VALUES_FILE = "check_value.properties"; |
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153 static String CHECK_VALUES_DIR = "sun/jkernel/"; |
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154 static String CHECK_VALUES_PATH = CHECK_VALUES_DIR + CHECK_VALUES_FILE; |
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155 |
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156 /** |
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157 * The contents of the bundle.properties file, which contains various |
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158 * information about individual bundles. |
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159 */ |
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160 private static Map<String, Map<String, String>> bundleProperties; |
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161 |
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162 |
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163 /** |
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164 * The contents of the resource_map file, which maps resources |
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165 * to their respective bundles. |
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166 */ |
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167 private static Map<String, String> resourceMap; |
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168 |
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169 |
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170 /** |
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171 * The contents of the file_map file, which maps files |
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172 * to their respective bundles. |
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173 */ |
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174 private static Map<String, String> fileMap; |
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175 |
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176 private static boolean extDirDetermined; |
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177 private static boolean extDirIncluded; |
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178 |
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179 static { |
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180 AccessController.doPrivileged(new PrivilegedAction() { |
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181 public Object run() { |
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182 if (debug) |
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183 println("DownloadManager startup"); |
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184 |
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185 // this mutex is global and will apply to all different |
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186 // version of java kernel installed on the local machine |
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187 MUTEX_PREFIX = "jkernel"; |
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188 boolean downloadEnabled = !"false".equals( |
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189 System.getProperty(KERNEL_DOWNLOAD_ENABLED_PROPERTY)); |
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190 complete = !getBundlePath().exists() || |
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191 !downloadEnabled; |
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192 |
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193 // only load jkernel.dll if we are not "complete". |
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194 // DownloadManager will be loaded during build time, before |
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195 // jkernel.dll is built. We only need to load jkernel.dll |
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196 // when DownloadManager needs to download something, which is |
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197 // not necessary during build time |
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198 if (!complete) { |
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199 loadJKernelLibrary(); |
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200 log("Log opened"); |
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201 |
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202 if (isWindowsVista()) { |
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203 getLocalLowTempBundlePath().mkdirs(); |
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204 } |
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205 |
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206 new Thread() { |
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207 public void run() { |
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208 startBackgroundDownloads(); |
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209 } |
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210 }.start(); |
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211 |
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212 try { |
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213 String dummyPath; |
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214 if (isWindowsVista()) { |
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215 dummyPath = USER_HOME + |
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216 "\\appdata\\locallow\\dummy.kernel"; |
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217 } else { |
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218 dummyPath = USER_HOME + "\\dummy.kernel"; |
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219 } |
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220 |
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221 File f = new File(dummyPath); |
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222 FileOutputStream out = new FileOutputStream(f, true); |
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223 out.close(); |
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224 f.deleteOnExit(); |
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225 |
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226 } catch (IOException e) { |
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227 log(e); |
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228 } |
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229 // end of warm up code |
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230 |
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231 new Thread("BundleDownloader") { |
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232 public void run() { |
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233 downloadRequestedBundles(); |
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234 } |
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235 }.start(); |
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236 } |
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237 return null; |
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238 } |
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239 }); |
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240 } |
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241 |
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242 |
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243 static synchronized void loadJKernelLibrary() { |
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244 if (!jkernelLibLoaded) { |
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245 try { |
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246 System.loadLibrary("jkernel"); |
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247 jkernelLibLoaded = true; |
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248 debug = getDebugProperty(); |
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249 } catch (Exception e) { |
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250 throw new Error(e); |
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251 } |
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252 } |
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253 } |
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254 |
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255 static String appendTransactionId(String url) { |
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256 StringBuilder result = new StringBuilder(url); |
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257 String visitorId = DownloadManager.getVisitorId(); |
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258 if (visitorId != null) { |
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259 if (url.indexOf("?") == -1) |
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260 result.append('?'); |
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261 else |
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262 result.append('&'); |
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263 result.append("transactionId="); |
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264 result.append(DownloadManager.getVisitorId()); |
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265 } |
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266 return result.toString(); |
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267 } |
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268 |
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269 |
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270 /** |
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271 * Returns the URL for the directory from which bundles should be |
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272 * downloaded. |
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273 */ |
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274 static synchronized String getBaseDownloadURL() { |
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275 if (downloadURL == null) { |
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276 log("Determining download URL..."); |
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277 loadJKernelLibrary(); |
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278 |
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279 /* |
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280 * First check if system property has been set - system |
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281 * property should take over registry key setting. |
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282 */ |
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283 downloadURL = System.getProperty( |
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284 DownloadManager.KERNEL_DOWNLOAD_URL_PROPERTY); |
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285 log("System property kernel.download.url = " + downloadURL); |
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286 |
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287 /* |
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288 * Now check if registry key has been set |
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289 */ |
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290 if (downloadURL == null){ |
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291 downloadURL = getUrlFromRegistry(); |
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292 log("getUrlFromRegistry = " + downloadURL); |
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293 } |
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294 |
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295 /* |
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296 * Use default download url |
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297 */ |
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298 if (downloadURL == null) |
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299 downloadURL = DEFAULT_DOWNLOAD_URL; |
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300 log("Final download URL: " + downloadURL); |
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301 } |
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302 return downloadURL; |
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303 } |
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304 |
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305 |
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306 /** |
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307 * Loads a file representing a node tree. The format is described in |
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308 * SplitJRE.writeTreeMap(). The node paths (such as |
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309 * core/java/lang/Object.class) are interpreted with the root node as the |
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310 * value and the remaining nodes as |
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311 * the key, so the mapping for this entry would be java/lang/Object.class = |
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312 * core. |
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313 */ |
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314 static Map<String, String> readTreeMap(InputStream rawIn) |
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315 throws IOException { |
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316 // "token level" refers to the 0-31 byte that occurs prior to every |
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317 // token in the stream, and would be e.g. <0> core <1> java <2> lang |
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318 // <3> Object.class <3> String.class, which gives us two mappings: |
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319 // java/lang/Object.class = core, and java/lang/String.class = core. |
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320 // See the format description in SplitJRE.writeTreeMap for more details. |
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321 Map<String, String> result = new HashMap<String, String>(); |
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322 InputStream in = new BufferedInputStream(rawIn); |
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323 // holds the current token sequence, |
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324 // e.g. {"core", "java", "lang", "Object.class"} |
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325 List<String> tokens = new ArrayList<String>(); |
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326 StringBuilder currentToken = new StringBuilder(); |
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327 for (;;) { |
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328 int c = in.read(); |
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329 if (c == -1) // eof |
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330 break; |
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331 if (c < 32) { // new token level |
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332 if (tokens.size() > 0) { |
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333 // replace the null at the end of the list with the token |
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334 // we just finished reading |
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335 tokens.set(tokens.size() - 1, currentToken.toString()); |
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336 } |
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337 |
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338 currentToken.setLength(0); |
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339 |
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340 if (c > tokens.size()) { |
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341 // can't increase by more than one token level at a step |
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342 throw new InternalError("current token level is " + |
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343 (tokens.size() - 1) + " but encountered token " + |
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344 "level " + c); |
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345 } |
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346 else if (c == tokens.size()) { |
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347 // token level increased by 1; this means we are still |
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348 // adding tokens for the current mapping -- e.g. we have |
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349 // read "core", "java", "lang" and are just about to read |
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350 // "Object.class" |
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351 // add a placeholder for the new token |
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352 tokens.add(null); |
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353 } |
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354 else { |
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355 // we just stayed at the same level or backed up one or more |
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356 // token levels; this means that the current sequence is |
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357 // complete and needs to be added to the result map |
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358 StringBuilder key = new StringBuilder(); |
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359 // combine all tokens except the first into a single string |
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360 for (int i = 1; i < tokens.size(); i++) { |
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361 if (i > 1) |
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362 key.append('/'); |
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363 key.append(tokens.get(i)); |
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364 } |
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365 // map the combined string to the first token, e.g. |
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366 // java/lang/Object.class = core |
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367 result.put(key.toString(), tokens.get(0)); |
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368 // strip off tokens until we get back to the current token |
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369 // level |
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370 while (c < tokens.size()) |
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371 tokens.remove(c); |
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372 // placeholder for upcoming token |
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373 tokens.add(null); |
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374 } |
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375 } |
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376 else if (c < 254) // character |
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377 currentToken.append((char) c); |
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378 else if (c == 255) |
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379 currentToken.append(".class"); |
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380 else { // out-of-band value |
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381 throw new InternalError("internal error processing " + |
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382 "resource_map (can't-happen error)"); |
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383 } |
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384 } |
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385 if (tokens.size() > 0) // add token we just finished reading |
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386 tokens.set(tokens.size() - 1, currentToken.toString()); |
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387 StringBuilder key = new StringBuilder(); |
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388 // add the last entry to the map |
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389 for (int i = 1; i < tokens.size(); i++) { |
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390 if (i > 1) |
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391 key.append('/'); |
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392 key.append(tokens.get(i)); |
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393 } |
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394 if (!tokens.isEmpty()) |
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395 result.put(key.toString(), tokens.get(0)); |
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396 in.close(); |
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397 return Collections.unmodifiableMap(result); |
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398 } |
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399 |
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400 |
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401 /** |
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402 * Returns the contents of the resource_map file, which maps |
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403 * resources names to their respective bundles. |
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404 */ |
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405 public static Map<String, String> getResourceMap() throws IOException { |
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406 if (resourceMap == null) { |
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407 InputStream in = DownloadManager.class.getResourceAsStream("resource_map"); |
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408 if (in != null) { |
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409 in = new BufferedInputStream(in); |
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410 try { |
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411 resourceMap = readTreeMap(in); |
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412 in.close(); |
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413 } |
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414 catch (IOException e) { |
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415 // turns out we can be returned a broken stream instead of |
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416 // just null |
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417 resourceMap = new HashMap<String, String>(); |
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418 complete = true; |
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419 log("Can't find resource_map, forcing complete to true"); |
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420 } |
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421 in.close(); |
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422 } |
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423 else { |
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424 resourceMap = new HashMap<String, String>(); |
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425 complete = true; |
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426 log("Can't find resource_map, forcing complete to true"); |
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427 } |
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428 |
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429 for (int i = 1; ; i++) { // run through the numbered custom bundles |
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430 String name = CUSTOM_PREFIX + i; |
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431 File customPath = new File(getBundlePath(), name + ".jar"); |
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432 if (customPath.exists()) { |
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433 JarFile custom = new JarFile(customPath); |
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434 Enumeration entries = custom.entries(); |
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435 while (entries.hasMoreElements()) { |
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436 JarEntry entry = (JarEntry) entries.nextElement(); |
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437 if (!entry.isDirectory()) |
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438 resourceMap.put(entry.getName(), name); |
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439 } |
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440 } |
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441 else |
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442 break; |
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443 } |
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444 } |
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445 return resourceMap; |
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446 } |
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447 |
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448 |
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449 /** |
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450 * Returns the contents of the file_map file, which maps |
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451 * file names to their respective bundles. |
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452 */ |
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453 public static Map<String, String> getFileMap() throws IOException { |
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454 if (fileMap == null) { |
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455 InputStream in = DownloadManager.class.getResourceAsStream("file_map"); |
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456 if (in != null) { |
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457 in = new BufferedInputStream(in); |
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458 try { |
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459 fileMap = readTreeMap(in); |
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460 in.close(); |
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461 } |
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462 catch (IOException e) { |
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463 // turns out we can be returned a broken stream instead of |
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464 // just null |
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465 fileMap = new HashMap<String, String>(); |
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466 complete = true; |
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467 log("Can't find file_map, forcing complete to true"); |
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468 } |
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469 in.close(); |
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470 } |
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471 else { |
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472 fileMap = new HashMap<String, String>(); |
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473 complete = true; |
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474 log("Can't find file_map, forcing complete to true"); |
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475 } |
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476 } |
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477 return fileMap; |
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478 } |
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479 |
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480 |
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481 /** |
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482 * Returns the contents of the bundle.properties file, which maps |
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483 * bundle names to a pipe-separated list of their properties. Properties |
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484 * include: |
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485 * jarpath - By default, the JAR files (unpacked from classes.pack in the |
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486 * bundle) are stored under lib/bundles. The jarpath property |
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487 * overrides this default setting, causing the JAR to be unpacked |
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488 * at the specified location. This is used to preserve the |
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489 * identity of JRE JAR files such as lib/deploy.jar. |
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490 * size - The size of the download in bytes. |
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491 */ |
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492 private static synchronized Map<String, Map<String, String>> getBundleProperties() |
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493 throws IOException { |
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494 if (bundleProperties == null) { |
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495 InputStream in = DownloadManager.class.getResourceAsStream("bundle.properties"); |
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496 if (in == null) { |
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497 complete = true; |
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498 log("Can't find bundle.properties, forcing complete to true"); |
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499 return null; |
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500 } |
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501 in = new BufferedInputStream(in); |
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502 Properties tmp = new Properties(); |
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503 tmp.load(in); |
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504 bundleProperties = new HashMap<String, Map<String, String>>(); |
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505 for (Map.Entry e : tmp.entrySet()) { |
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506 String key = (String) e.getKey(); |
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507 String[] properties = ((String) e.getValue()).split("\\|"); |
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508 Map<String, String> map = new HashMap<String, String>(); |
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509 for (String entry : properties) { |
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510 int equals = entry.indexOf("="); |
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511 if (equals == -1) |
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512 throw new InternalError("error parsing bundle.properties: " + |
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513 entry); |
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514 map.put(entry.substring(0, equals).trim(), |
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515 entry.substring(equals + 1).trim()); |
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516 } |
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517 bundleProperties.put(key, map); |
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518 } |
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519 in.close(); |
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520 } |
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521 return bundleProperties; |
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522 } |
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523 |
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524 |
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525 /** |
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526 * Returns a single bundle property value loaded from the bundle.properties |
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527 * file. |
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528 */ |
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529 static String getBundleProperty(String bundleName, String property) { |
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530 try { |
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531 Map<String, Map<String, String>> props = getBundleProperties(); |
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532 Map/*<String, String>*/ map = props != null ? props.get(bundleName) : null; |
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533 return map != null ? (String) map.get(property) : null; |
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534 } |
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535 catch (IOException e) { |
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536 throw new RuntimeException(e); |
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537 } |
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538 } |
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539 |
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540 |
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541 /** Returns an array of all supported bundle names. */ |
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542 static String[] getBundleNames() throws IOException { |
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543 if (bundleNames == null) { |
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544 Set<String> result = new HashSet<String>(); |
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545 Map<String, String> resourceMap = getResourceMap(); |
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546 if (resourceMap != null) |
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547 result.addAll(resourceMap.values()); |
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548 Map<String, String> fileMap = getFileMap(); |
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549 if (fileMap != null) |
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550 result.addAll(fileMap.values()); |
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551 bundleNames = result.toArray(new String[result.size()]); |
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552 } |
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553 return bundleNames; |
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554 } |
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555 |
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556 |
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557 /** |
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558 * Returns an array of all "critical" (must be downloaded prior to |
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559 * completion) bundle names. |
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560 */ |
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561 private static String[] getCriticalBundleNames() throws IOException { |
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562 if (criticalBundleNames == null) { |
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563 Set<String> result = new HashSet<String>(); |
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564 Map<String, String> fileMap = getFileMap(); |
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565 if (fileMap != null) |
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566 result.addAll(fileMap.values()); |
|
567 criticalBundleNames = result.toArray(new String[result.size()]); |
|
568 } |
|
569 return criticalBundleNames; |
|
570 } |
|
571 |
|
572 |
|
573 public static void send(InputStream in, OutputStream out) |
|
574 throws IOException { |
|
575 byte[] buffer = new byte[BUFFER_SIZE]; |
|
576 int c; |
|
577 while ((c = in.read(buffer)) > 0) |
|
578 out.write(buffer, 0, c); |
|
579 } |
|
580 |
|
581 |
|
582 /** |
|
583 * Determine whether all bundles have been downloaded, and if so create |
|
584 * the merged jars that will eventually replace rt.jar and resoures.jar. |
|
585 * IMPORTANT: this method should only be called from the background |
|
586 * download process. |
|
587 */ |
|
588 static void performCompletionIfNeeded() { |
|
589 if (debug) |
|
590 log("DownloadManager.performCompletionIfNeeded: checking (" + |
|
591 complete + ", " + System.getProperty(KERNEL_NOMERGE_PROPERTY) |
|
592 + ")"); |
|
593 if (complete || |
|
594 "true".equals(System.getProperty(KERNEL_NOMERGE_PROPERTY))) |
|
595 return; |
|
596 Bundle.loadReceipts(); |
|
597 try { |
|
598 if (debug) { |
|
599 List critical = new ArrayList(Arrays.asList(getCriticalBundleNames())); |
|
600 critical.removeAll(Bundle.receipts); |
|
601 log("DownloadManager.performCompletionIfNeeded: still need " + |
|
602 critical.size() + " bundles (" + critical + ")"); |
|
603 } |
|
604 if (Bundle.receipts.containsAll(Arrays.asList(getCriticalBundleNames()))) { |
|
605 log("DownloadManager.performCompletionIfNeeded: running"); |
|
606 // all done! |
|
607 new Thread("JarMerger") { |
|
608 public void run() { |
|
609 createMergedJars(); |
|
610 } |
|
611 }.start(); |
|
612 } |
|
613 } |
|
614 catch (IOException e) { |
|
615 throw new RuntimeException(e); |
|
616 } |
|
617 } |
|
618 |
|
619 |
|
620 /** |
|
621 * Returns the bundle corresponding to a given resource path (e.g. |
|
622 * "java/lang/Object.class"). If the resource does not appear in a bundle, |
|
623 * null is returned. |
|
624 */ |
|
625 public static Bundle getBundleForResource(String resource) |
|
626 throws IOException { |
|
627 String bundleName = getResourceMap().get(resource); |
|
628 return bundleName != null ? Bundle.getBundle(bundleName) : null; |
|
629 } |
|
630 |
|
631 |
|
632 /** |
|
633 * Returns the bundle corresponding to a given JRE file path (e.g. |
|
634 * "bin/awt.dll"). If the file does not appear in a bundle, null is |
|
635 * returned. |
|
636 */ |
|
637 private static Bundle getBundleForFile(String file) throws IOException { |
|
638 String bundleName = getFileMap().get(file); |
|
639 return bundleName != null ? Bundle.getBundle(bundleName) : null; |
|
640 } |
|
641 |
|
642 |
|
643 /** |
|
644 * Returns the path to the lib/bundles directory. |
|
645 */ |
|
646 static File getBundlePath() { |
|
647 return new File(JAVA_HOME, "lib" + File.separatorChar + "bundles"); |
|
648 } |
|
649 |
|
650 private static String getAppDataLocalLow() { |
|
651 return USER_HOME + "\\appdata\\locallow\\"; |
|
652 } |
|
653 |
|
654 public static String getKernelJREDir() { |
|
655 return "kerneljre" + JAVA_VERSION; |
|
656 } |
|
657 |
|
658 static File getLocalLowTempBundlePath() { |
|
659 return new File(getLocalLowKernelJava() + "-bundles"); |
|
660 } |
|
661 |
|
662 static String getLocalLowKernelJava() { |
|
663 return getAppDataLocalLow() + getKernelJREDir(); |
|
664 } |
|
665 |
|
666 // To be revisited: |
|
667 // How DownloadManager maintains its bootstrap class path. |
|
668 // sun.misc.Launcher.getBootstrapClassPath() returns |
|
669 // DownloadManager.getBootstrapClassPath() instead. |
|
670 // |
|
671 // So should no longer need to lock the Launcher.class. |
|
672 // In addition, additionalBootStrapPaths is not really needed |
|
673 // if it obtains the initial bootclasspath during DownloadManager's |
|
674 // initialization. |
|
675 private static void addEntryToBootClassPath(File path) { |
|
676 // Must acquire these locks in this order |
|
677 synchronized(Launcher.class) { |
|
678 synchronized(DownloadManager.class) { |
|
679 File[] newBootStrapPaths = new File[ |
|
680 additionalBootStrapPaths.length + 1]; |
|
681 System.arraycopy(additionalBootStrapPaths, 0, newBootStrapPaths, |
|
682 0, additionalBootStrapPaths.length); |
|
683 newBootStrapPaths[newBootStrapPaths.length - 1] = path; |
|
684 additionalBootStrapPaths = newBootStrapPaths; |
|
685 if (bootstrapClassPath != null) |
|
686 bootstrapClassPath.addURL(getFileURL(path)); |
|
687 } |
|
688 } |
|
689 } |
|
690 |
|
691 /** |
|
692 * Returns the kernel's bootstrap class path which includes the additional |
|
693 * JARs downloaded |
|
694 */ |
|
695 private static URLClassPath bootstrapClassPath = null; |
|
696 private synchronized static |
|
697 URLClassPath getBootClassPath(URLClassPath bcp, |
|
698 URLStreamHandlerFactory factory) |
|
699 { |
|
700 if (bootstrapClassPath == null) { |
|
701 bootstrapClassPath = new URLClassPath(bcp.getURLs(), factory); |
|
702 for (File path : additionalBootStrapPaths) { |
|
703 bootstrapClassPath.addURL(getFileURL(path)); |
|
704 } |
|
705 } |
|
706 return bootstrapClassPath; |
|
707 } |
|
708 |
|
709 private static URL getFileURL(File file) { |
|
710 try { |
|
711 file = file.getCanonicalFile(); |
|
712 } catch (IOException e) {} |
|
713 |
|
714 try { |
|
715 return ParseUtil.fileToEncodedURL(file); |
|
716 } catch (MalformedURLException e) { |
|
717 // Should never happen since we specify the protocol... |
|
718 throw new InternalError(); |
|
719 } |
|
720 } |
|
721 |
|
722 /** |
|
723 * Scan through java.ext.dirs to see if the lib/ext directory is included. |
|
724 * If not, we shouldn't be "finding" lib/ext jars for download. |
|
725 */ |
|
726 private static synchronized boolean extDirIsIncluded() { |
|
727 if (!extDirDetermined) { |
|
728 extDirDetermined = true; |
|
729 String raw = System.getProperty("java.ext.dirs"); |
|
730 String ext = JAVA_HOME + File.separator + "lib" + File.separator + "ext"; |
|
731 int index = 0; |
|
732 while (index < raw.length()) { |
|
733 int newIndex = raw.indexOf(File.pathSeparator, index); |
|
734 if (newIndex == -1) |
|
735 newIndex = raw.length(); |
|
736 String path = raw.substring(index, newIndex); |
|
737 if (path.equals(ext)) { |
|
738 extDirIncluded = true; |
|
739 break; |
|
740 } |
|
741 index = newIndex + 1; |
|
742 } |
|
743 } |
|
744 return extDirIncluded; |
|
745 } |
|
746 |
|
747 |
|
748 private static String doGetBootClassPathEntryForResource( |
|
749 String resourceName) { |
|
750 boolean retry = false; |
|
751 do { |
|
752 Bundle bundle = null; |
|
753 try { |
|
754 bundle = getBundleForResource(resourceName); |
|
755 if (bundle != null) { |
|
756 File path = bundle.getJarPath(); |
|
757 boolean isExt = path.getParentFile().getName().equals("ext"); |
|
758 if (isExt && !extDirIsIncluded()) // this is a lib/ext jar, but |
|
759 return null; // lib/ext isn't in the path |
|
760 if (getBundleProperty(bundle.getName(), JAR_PATH_PROPERTY) == null) { |
|
761 // if the bundle doesn't have its own JAR path, that means it's |
|
762 // going to be merged into rt.jar. If we already have the |
|
763 // merged rt.jar, we can simply point to that. |
|
764 Bundle merged = Bundle.getBundle("merged"); |
|
765 if (merged != null && merged.isInstalled()) { |
|
766 File jar; |
|
767 if (resourceName.endsWith(".class")) |
|
768 jar = merged.getJarPath(); |
|
769 else |
|
770 jar = new File(merged.getJarPath().getPath().replaceAll("merged-rt.jar", |
|
771 "merged-resources.jar")); |
|
772 addEntryToBootClassPath(jar); |
|
773 return jar.getPath(); |
|
774 } |
|
775 } |
|
776 if (!bundle.isInstalled()) { |
|
777 bundle.queueDependencies(true); |
|
778 log("On-demand downloading " + |
|
779 bundle.getName() + " for resource " + |
|
780 resourceName + "..."); |
|
781 bundle.install(); |
|
782 log(bundle + " install finished."); |
|
783 } |
|
784 log("Double-checking " + bundle + " state..."); |
|
785 if (!bundle.isInstalled()) { |
|
786 throw new IllegalStateException("Expected state of " + |
|
787 bundle + " to be INSTALLED"); |
|
788 } |
|
789 if (isExt) { |
|
790 // don't add lib/ext entries to the boot class path, add |
|
791 // them to the extension classloader instead |
|
792 Launcher.addURLToExtClassLoader(path.toURL()); |
|
793 return null; |
|
794 } |
|
795 |
|
796 if ("javaws".equals(bundle.getName())) { |
|
797 Launcher.addURLToAppClassLoader(path.toURL()); |
|
798 log("Returning null for javaws"); |
|
799 return null; |
|
800 } |
|
801 |
|
802 if ("core".equals(bundle.getName())) |
|
803 return null; |
|
804 |
|
805 // else add to boot class path |
|
806 addEntryToBootClassPath(path); |
|
807 |
|
808 return path.getPath(); |
|
809 } |
|
810 return null; // not one of the JRE's classes |
|
811 } |
|
812 catch (Throwable e) { |
|
813 retry = handleException(e); |
|
814 log("Error downloading bundle for " + |
|
815 resourceName + ":"); |
|
816 log(e); |
|
817 if (e instanceof IOException) { |
|
818 // bundle did not get installed correctly, remove incomplete |
|
819 // bundle files |
|
820 if (bundle != null) { |
|
821 if (bundle.getJarPath() != null) { |
|
822 File packTmp = new File(bundle.getJarPath() + ".pack"); |
|
823 packTmp.delete(); |
|
824 bundle.getJarPath().delete(); |
|
825 } |
|
826 if (bundle.getLocalPath() != null) { |
|
827 bundle.getLocalPath().delete(); |
|
828 } |
|
829 bundle.setState(Bundle.NOT_DOWNLOADED); |
|
830 } |
|
831 } |
|
832 } |
|
833 } while (retry); |
|
834 sendErrorPing(ERROR_RETRY_CANCELLED); // bundle failed to install, user cancelled |
|
835 |
|
836 return null; // failed, user chose not to retry |
|
837 } |
|
838 |
|
839 static synchronized void sendErrorPing(int code) { |
|
840 try { |
|
841 File bundlePath; |
|
842 if (isWindowsVista()) { |
|
843 bundlePath = getLocalLowTempBundlePath(); |
|
844 } else { |
|
845 bundlePath = getBundlePath(); |
|
846 } |
|
847 File tmp = new File(bundlePath, "tmp"); |
|
848 File errors = new File(tmp, "errors"); |
|
849 String errorString = String.valueOf(code); |
|
850 if (errors.exists()) { |
|
851 BufferedReader in = new BufferedReader(new FileReader(errors)); |
|
852 String line = in.readLine(); |
|
853 while (line != null) { |
|
854 if (line.equals(errorString)) |
|
855 return; // we have already pinged this error |
|
856 line = in.readLine(); |
|
857 } |
|
858 } |
|
859 tmp.mkdirs(); |
|
860 Writer out = new FileWriter(errors, true); |
|
861 out.write(errorString + System.getProperty("line.separator")); |
|
862 out.close(); |
|
863 postDownloadError(code); |
|
864 } |
|
865 catch (IOException e) { |
|
866 e.printStackTrace(); |
|
867 } |
|
868 } |
|
869 |
|
870 |
|
871 |
|
872 /** |
|
873 * Displays an error dialog and prompts the user to retry or cancel. |
|
874 * Returns true if the user chose to retry, false if he chose to cancel. |
|
875 */ |
|
876 static boolean handleException(Throwable e) { |
|
877 if (e instanceof IOException) { |
|
878 // I don't know of a better method to determine the root cause of |
|
879 // the exception, unfortunately... |
|
880 int code = ERROR_UNSPECIFIED; |
|
881 if (e.getMessage().indexOf("not enough space") != -1) |
|
882 code = ERROR_DISK_FULL; |
|
883 return askUserToRetryDownloadOrQuit(code); |
|
884 } |
|
885 else |
|
886 return false; |
|
887 } |
|
888 |
|
889 |
|
890 static synchronized void flushBundleURLs() { |
|
891 bundleURLs = null; |
|
892 } |
|
893 |
|
894 |
|
895 static synchronized Properties getBundleURLs(boolean showUI) |
|
896 throws IOException { |
|
897 if (bundleURLs == null) { |
|
898 log("Entering DownloadManager.getBundleURLs"); |
|
899 String base = getBaseDownloadURL(); |
|
900 String url = appendTransactionId(base); |
|
901 // use PID instead of createTempFile or other random filename so as |
|
902 // to avoid dependencies on the random number generator libraries |
|
903 File bundlePath = null; |
|
904 // write temp file to locallow directory on vista |
|
905 if (isWindowsVista()) { |
|
906 bundlePath = getLocalLowTempBundlePath(); |
|
907 } else { |
|
908 bundlePath = getBundlePath(); |
|
909 } |
|
910 File tmp = new File(bundlePath, "urls." + getCurrentProcessId() + |
|
911 ".properties"); |
|
912 try { |
|
913 log("Downloading from " + url + " to " + tmp); |
|
914 downloadFromURL(url, tmp, "", showUI); |
|
915 bundleURLs = new Properties(); |
|
916 if (tmp.exists()) { |
|
917 addToTotalDownloadSize((int) tmp.length()); // better late than never |
|
918 InputStream in = new FileInputStream(tmp); |
|
919 in = new BufferedInputStream(in); |
|
920 bundleURLs.load(in); |
|
921 in.close(); |
|
922 if (bundleURLs.isEmpty()) { |
|
923 fatalError(ERROR_MALFORMED_BUNDLE_PROPERTIES); |
|
924 } |
|
925 } else { |
|
926 fatalError(ERROR_DOWNLOADING_BUNDLE_PROPERTIES); |
|
927 } |
|
928 } finally { |
|
929 // delete the temp file |
|
930 if (!debug) |
|
931 tmp.delete(); |
|
932 } |
|
933 log("Leaving DownloadManager.getBundleURLs"); |
|
934 // else an error occurred and user chose not to retry; leave |
|
935 // bundleURLs empty so we don't continually try to re-download it |
|
936 } |
|
937 return bundleURLs; |
|
938 } |
|
939 |
|
940 /** |
|
941 * Checks to see if the specified resource is part of a bundle, and if so |
|
942 * downloads it. Returns either a string which should be added to the boot |
|
943 * class path (the newly-downloaded JAR's location), or null to indicate |
|
944 * that it isn't one of the JRE's resources or could not be downloaded. |
|
945 */ |
|
946 public static String getBootClassPathEntryForResource( |
|
947 final String resourceName) { |
|
948 if (debug) |
|
949 log("Entering getBootClassPathEntryForResource(" + resourceName + ")"); |
|
950 if (isJREComplete() || downloading == null || |
|
951 resourceName.startsWith("sun/jkernel")) { |
|
952 if (debug) |
|
953 log("Bailing: " + isJREComplete() + ", " + (downloading == null)); |
|
954 return null; |
|
955 } |
|
956 incrementDownloadCount(); |
|
957 try { |
|
958 String result = (String) AccessController.doPrivileged( |
|
959 new PrivilegedAction() { |
|
960 public Object run() { |
|
961 return (String) doGetBootClassPathEntryForResource( |
|
962 resourceName); |
|
963 } |
|
964 } |
|
965 ); |
|
966 log("getBootClassPathEntryForResource(" + resourceName + ") == " + result); |
|
967 return result; |
|
968 } |
|
969 finally { |
|
970 decrementDownloadCount(); |
|
971 } |
|
972 } |
|
973 |
|
974 |
|
975 /** |
|
976 * Called by the boot class loader when it encounters a class it can't find. |
|
977 * This method will check to see if the class is part of a bundle, and if so |
|
978 * download it. Returns either a string which should be added to the boot |
|
979 * class path (the newly-downloaded JAR's location), or null to indicate |
|
980 * that it isn't one of the JRE's classes or could not be downloaded. |
|
981 */ |
|
982 public static String getBootClassPathEntryForClass(final String className) { |
|
983 return getBootClassPathEntryForResource(className.replace('.', '/') + |
|
984 ".class"); |
|
985 } |
|
986 |
|
987 |
|
988 private static boolean doDownloadFile(String relativePath) |
|
989 throws IOException { |
|
990 Bundle bundle = getBundleForFile(relativePath); |
|
991 if (bundle != null) { |
|
992 bundle.queueDependencies(true); |
|
993 log("On-demand downloading " + bundle.getName() + |
|
994 " for file " + relativePath + "..."); |
|
995 bundle.install(); |
|
996 return true; |
|
997 } |
|
998 return false; |
|
999 } |
|
1000 |
|
1001 |
|
1002 /** |
|
1003 * Locates the bundle for the specified JRE file (e.g. "bin/awt.dll") and |
|
1004 * installs it. Returns true if the file is indeed part of the JRE and has |
|
1005 * now been installed, false if the file is not part of the JRE, and throws |
|
1006 * an IOException if the file is part of the JRE but could not be |
|
1007 * downloaded. |
|
1008 */ |
|
1009 public static boolean downloadFile(final String relativePath) |
|
1010 throws IOException { |
|
1011 if (isJREComplete() || downloading == null) |
|
1012 return false; |
|
1013 |
|
1014 incrementDownloadCount(); |
|
1015 try { |
|
1016 Object result = |
|
1017 AccessController.doPrivileged(new PrivilegedAction() { |
|
1018 public Object run() { |
|
1019 File path = new File(JAVA_HOME, |
|
1020 relativePath.replace('/', File.separatorChar)); |
|
1021 if (path.exists()) |
|
1022 return true; |
|
1023 try { |
|
1024 return new Boolean(doDownloadFile(relativePath)); |
|
1025 } |
|
1026 catch (IOException e) { |
|
1027 return e; |
|
1028 } |
|
1029 } |
|
1030 }); |
|
1031 if (result instanceof Boolean) |
|
1032 return ((Boolean) result).booleanValue(); |
|
1033 else |
|
1034 throw (IOException) result; |
|
1035 } |
|
1036 finally { |
|
1037 decrementDownloadCount(); |
|
1038 } |
|
1039 } |
|
1040 |
|
1041 |
|
1042 // increments the counter that tracks whether the current thread is involved |
|
1043 // in any download-related activities. A non-zero count indicates that the |
|
1044 // thread is currently downloading or installing a bundle. |
|
1045 static void incrementDownloadCount() { |
|
1046 downloading.set(downloading.get() + 1); |
|
1047 } |
|
1048 |
|
1049 |
|
1050 // increments the counter that tracks whether the current thread is involved |
|
1051 // in any download-related activities. A non-zero count indicates that the |
|
1052 // thread is currently downloading or installing a bundle. |
|
1053 static void decrementDownloadCount() { |
|
1054 // will generate an exception if incrementDownloadCount() hasn't been |
|
1055 // called first, this is intentional |
|
1056 downloading.set(downloading.get() - 1); |
|
1057 } |
|
1058 |
|
1059 |
|
1060 /** |
|
1061 * Returns <code>true</code> if the current thread is in the process of |
|
1062 * downloading a bundle. This is called by DownloadManager.loadLibrary() |
|
1063 * that is called by System.loadLibrary(), so |
|
1064 * that when we run into a library required by the download process itself, |
|
1065 * we don't call back into DownloadManager in an attempt to download it |
|
1066 * (which would lead to infinite recursion). |
|
1067 * |
|
1068 * All classes and libraries required to download classes must by |
|
1069 * definition already be present. So if this method returns true, we are |
|
1070 * currently in the middle of performing a download, and the class or |
|
1071 * library load must be happening due to the download itself. We can |
|
1072 * immediately abort such requests -- the class or library should already |
|
1073 * be present. If it isn't, we're not going to be able to download it, |
|
1074 * since we have just established that it is required to perform a |
|
1075 * download, and we might as well just let the NoClassDefFoundError / |
|
1076 * UnsatisfiedLinkError occur. |
|
1077 */ |
|
1078 public static boolean isCurrentThreadDownloading() { |
|
1079 return downloading != null ? downloading.get() > 0 : false; |
|
1080 } |
|
1081 |
|
1082 |
|
1083 /** |
|
1084 * Returns true if everything is downloaded and the JRE has been |
|
1085 * reconstructed. Also returns true if kernel functionality is disabled |
|
1086 * for any other reason. |
|
1087 */ |
|
1088 public static boolean isJREComplete() { |
|
1089 return complete; |
|
1090 } |
|
1091 |
|
1092 |
|
1093 // called by BackgroundDownloader |
|
1094 static void doBackgroundDownloads(boolean showProgress) { |
|
1095 if (!complete) { |
|
1096 if (!showProgress && !debug) |
|
1097 reportErrors = false; |
|
1098 try { |
|
1099 // install swing first for ergonomic reasons |
|
1100 Bundle swing = Bundle.getBundle("javax_swing_core"); |
|
1101 if (!swing.isInstalled()) |
|
1102 swing.install(showProgress, false, false); |
|
1103 // install remaining bundles |
|
1104 for (String name : getCriticalBundleNames()) { |
|
1105 Bundle bundle = Bundle.getBundle(name); |
|
1106 if (!bundle.isInstalled()) { |
|
1107 bundle.install(showProgress, false, true); |
|
1108 } |
|
1109 } |
|
1110 shutdown(); |
|
1111 } |
|
1112 catch (IOException e) { |
|
1113 log(e); |
|
1114 } |
|
1115 } |
|
1116 } |
|
1117 |
|
1118 // copy receipt file to destination path specified |
|
1119 static void copyReceiptFile(File from, File to) throws IOException { |
|
1120 DataInputStream in = new DataInputStream( |
|
1121 new BufferedInputStream(new FileInputStream(from))); |
|
1122 OutputStream out = new FileOutputStream(to); |
|
1123 String line = in.readLine(); |
|
1124 while (line != null) { |
|
1125 out.write((line + '\n').getBytes("utf-8")); |
|
1126 line = in.readLine(); |
|
1127 } |
|
1128 in.close(); |
|
1129 out.close(); |
|
1130 } |
|
1131 |
|
1132 |
|
1133 private static void downloadRequestedBundles() { |
|
1134 log("Checking for requested bundles..."); |
|
1135 try { |
|
1136 File list = new File(JAVA_HOME, REQUESTED_BUNDLES_PATH); |
|
1137 if (list.exists()) { |
|
1138 FileInputStream in = new FileInputStream(list); |
|
1139 ByteArrayOutputStream buffer = new ByteArrayOutputStream(); |
|
1140 send(in, buffer); |
|
1141 in.close(); |
|
1142 |
|
1143 // split string manually to avoid relying on regexes or |
|
1144 // StringTokenizer |
|
1145 String raw = new String(buffer.toByteArray(), "utf-8"); |
|
1146 List/*<String>*/ bundles = new ArrayList/*<String>*/(); |
|
1147 StringBuilder token = new StringBuilder(); |
|
1148 for (int i = 0; i < raw.length(); i++) { |
|
1149 char c = raw.charAt(i); |
|
1150 if (c == ',' || Character.isWhitespace(c)) { |
|
1151 if (token.length() > 0) { |
|
1152 bundles.add(token.toString()); |
|
1153 token.setLength(0); |
|
1154 } |
|
1155 } |
|
1156 else |
|
1157 token.append(c); |
|
1158 } |
|
1159 if (token.length() > 0) |
|
1160 bundles.add(token.toString()); |
|
1161 log("Requested bundles: " + bundles); |
|
1162 for (int i = 0; i < bundles.size(); i++) { |
|
1163 Bundle bundle = Bundle.getBundle((String) bundles.get(i)); |
|
1164 if (bundle != null && !bundle.isInstalled()) { |
|
1165 log("Downloading " + bundle + " due to requested.list"); |
|
1166 bundle.install(true, false, false); |
|
1167 } |
|
1168 } |
|
1169 } |
|
1170 } |
|
1171 catch (IOException e) { |
|
1172 log(e); |
|
1173 } |
|
1174 } |
|
1175 |
|
1176 |
|
1177 static void fatalError(int code) { |
|
1178 fatalError(code, null); |
|
1179 } |
|
1180 |
|
1181 |
|
1182 /** |
|
1183 * Called to cleanly shut down the VM when a fatal download error has |
|
1184 * occurred. Calls System.exit() if outside of the Java Plug-In, otherwise |
|
1185 * throws an error. |
|
1186 */ |
|
1187 static void fatalError(int code, String arg) { |
|
1188 sendErrorPing(code); |
|
1189 |
|
1190 for (int i = 0; i < Bundle.THREADS; i++) |
|
1191 bundleInstallComplete(); |
|
1192 if (reportErrors) |
|
1193 displayError(code, arg); |
|
1194 // inPlugIn check isn't 100% reliable but should be close enough. |
|
1195 // headless is for the browser side of things in the out-of-process |
|
1196 // plug-in |
|
1197 boolean inPlugIn = (Boolean.getBoolean("java.awt.headless") || |
|
1198 System.getProperty("javaplugin.version") != null); |
|
1199 KernelError error = new KernelError("Java Kernel bundle download failed"); |
|
1200 if (inPlugIn) |
|
1201 throw error; |
|
1202 else { |
|
1203 log(error); |
|
1204 System.exit(1); |
|
1205 } |
|
1206 } |
|
1207 |
|
1208 |
|
1209 // start the background download process using the jbroker broker process |
|
1210 // the method will first launch the broker process, if it is not already |
|
1211 // running |
|
1212 // it will then send the command necessary to start the background download |
|
1213 // process to the broker process |
|
1214 private static void startBackgroundDownloadWithBroker() { |
|
1215 |
|
1216 if (!BackgroundDownloader.getBackgroundDownloadProperty()) { |
|
1217 // If getBackgroundDownloadProperty() returns false |
|
1218 // we're doing the downloads from this VM; we don't want to |
|
1219 // spawn another one |
|
1220 return; |
|
1221 } |
|
1222 |
|
1223 // launch broker process if necessary |
|
1224 if (!launchBrokerProcess()) { |
|
1225 return; |
|
1226 } |
|
1227 |
|
1228 |
|
1229 String kernelDownloadURLProperty = getBaseDownloadURL(); |
|
1230 |
|
1231 String kernelDownloadURL; |
|
1232 |
|
1233 // only set KERNEL_DOWNLOAD_URL_PROPERTY if we override |
|
1234 // the default download url |
|
1235 if (kernelDownloadURLProperty == null || |
|
1236 kernelDownloadURLProperty.equals(DEFAULT_DOWNLOAD_URL)) { |
|
1237 kernelDownloadURL = " "; |
|
1238 } else { |
|
1239 kernelDownloadURL = kernelDownloadURLProperty; |
|
1240 } |
|
1241 |
|
1242 startBackgroundDownloadWithBrokerImpl(kernelDownloadURLProperty); |
|
1243 } |
|
1244 |
|
1245 private static void startBackgroundDownloads() { |
|
1246 if (!complete) { |
|
1247 if (BackgroundDownloader.getBackgroundMutex().acquire(0)) { |
|
1248 // we don't actually need to hold the mutex -- it was just a |
|
1249 // quick check to see if there is any point in even attempting |
|
1250 // to start the background downloader |
|
1251 BackgroundDownloader.getBackgroundMutex().release(); |
|
1252 if (isWindowsVista()) { |
|
1253 // use broker process to start background download |
|
1254 // at high integrity |
|
1255 startBackgroundDownloadWithBroker(); |
|
1256 } else { |
|
1257 BackgroundDownloader.startBackgroundDownloads(); |
|
1258 } |
|
1259 } |
|
1260 } |
|
1261 } |
|
1262 |
|
1263 |
|
1264 /** |
|
1265 * Increases the total download size displayed in the download progress |
|
1266 * dialog. |
|
1267 */ |
|
1268 static native void addToTotalDownloadSize(int size); |
|
1269 |
|
1270 |
|
1271 /** |
|
1272 * Displays a progress dialog while downloading from the specified URL. |
|
1273 * |
|
1274 *@param url the URL string from which to download |
|
1275 *@param file the destination path |
|
1276 *@param name the user-visible name of the component we are downloading |
|
1277 */ |
|
1278 static void downloadFromURL(String url, File file, String name, |
|
1279 boolean showProgress) { |
|
1280 // do not show download dialog if kernel.download.dialog is false |
|
1281 downloadFromURLImpl(url, file, name, |
|
1282 disableDownloadDialog ? false : showProgress); |
|
1283 } |
|
1284 |
|
1285 private static native void downloadFromURLImpl(String url, File file, |
|
1286 String name, boolean showProgress); |
|
1287 |
|
1288 // This is for testing purposes only - allows to specify URL |
|
1289 // to download kernel bundles from through the registry key. |
|
1290 static native String getUrlFromRegistry(); |
|
1291 |
|
1292 static native String getVisitorId0(); |
|
1293 |
|
1294 static native void postDownloadComplete(); |
|
1295 |
|
1296 static native void postDownloadError(int code); |
|
1297 |
|
1298 // Returns the visitor ID set by the installer, will be sent to the server |
|
1299 // during bundle downloads for logging purposes. |
|
1300 static synchronized String getVisitorId() { |
|
1301 if (!visitorIdDetermined) { |
|
1302 visitorIdDetermined = true; |
|
1303 visitorId = getVisitorId0(); |
|
1304 } |
|
1305 return visitorId; |
|
1306 } |
|
1307 |
|
1308 // display an error message using a native dialog |
|
1309 public static native void displayError(int code, String arg); |
|
1310 |
|
1311 // prompt user whether to retry download, or quit |
|
1312 // returns true if the user chose to retry |
|
1313 public static native boolean askUserToRetryDownloadOrQuit(int code); |
|
1314 |
|
1315 // returns true if we are running Windows Vista; false otherwise |
|
1316 static native boolean isWindowsVista(); |
|
1317 |
|
1318 private static native void startBackgroundDownloadWithBrokerImpl( |
|
1319 String command); |
|
1320 |
|
1321 private static int isJBrokerStarted() { |
|
1322 if (_isJBrokerStarted == -1) { |
|
1323 // initialize state of jbroker |
|
1324 _isJBrokerStarted = isJBrokerRunning() ? 1 : 0; |
|
1325 } |
|
1326 return _isJBrokerStarted; |
|
1327 } |
|
1328 |
|
1329 // returns true if broker process (jbroker) is running; false otherwise |
|
1330 private static native boolean isJBrokerRunning(); |
|
1331 |
|
1332 // returns true if we are running in IE protected mode; false otherwise |
|
1333 private static native boolean isIEProtectedMode(); |
|
1334 |
|
1335 private static native boolean launchJBroker(String jbrokerPath); |
|
1336 |
|
1337 static native void bundleInstallStart(); |
|
1338 |
|
1339 static native void bundleInstallComplete(); |
|
1340 |
|
1341 private static native boolean moveFileWithBrokerImpl(String fromPath, |
|
1342 String userHome); |
|
1343 |
|
1344 private static native boolean moveDirWithBrokerImpl(String fromPath, |
|
1345 String userHome); |
|
1346 |
|
1347 static boolean moveFileWithBroker(String fromPath) { |
|
1348 // launch jbroker if necessary |
|
1349 if (!launchBrokerProcess()) { |
|
1350 return false; |
|
1351 } |
|
1352 |
|
1353 return moveFileWithBrokerImpl(fromPath, USER_HOME); |
|
1354 } |
|
1355 |
|
1356 static boolean moveDirWithBroker(String fromPath) { |
|
1357 // launch jbroker if necessary |
|
1358 if (!launchBrokerProcess()) { |
|
1359 return false; |
|
1360 } |
|
1361 |
|
1362 return moveDirWithBrokerImpl(fromPath, USER_HOME); |
|
1363 } |
|
1364 |
|
1365 private static synchronized boolean launchBrokerProcess() { |
|
1366 // launch jbroker if necessary |
|
1367 if (isJBrokerStarted() == 0) { |
|
1368 // launch jbroker if needed |
|
1369 boolean ret = launchJBroker(JAVA_HOME); |
|
1370 // set state of jbroker |
|
1371 _isJBrokerStarted = ret ? 1 : 0; |
|
1372 return ret; |
|
1373 } |
|
1374 return true; |
|
1375 } |
|
1376 |
|
1377 private static class StreamMonitor implements Runnable { |
|
1378 private InputStream istream; |
|
1379 public StreamMonitor(InputStream stream) { |
|
1380 istream = new BufferedInputStream(stream); |
|
1381 new Thread(this).start(); |
|
1382 } |
|
1383 public void run() { |
|
1384 byte[] buffer = new byte[4096]; |
|
1385 try { |
|
1386 int ret = istream.read(buffer); |
|
1387 while (ret != -1) { |
|
1388 ret = istream.read(buffer); |
|
1389 } |
|
1390 } catch (IOException e) { |
|
1391 try { |
|
1392 istream.close(); |
|
1393 } catch (IOException e2) { |
|
1394 } // Should allow clean exit when process shuts down |
|
1395 } |
|
1396 } |
|
1397 } |
|
1398 |
|
1399 |
|
1400 /** Copy a file tree, excluding certain named files. */ |
|
1401 private static void copyAll(File src, File dest, Set/*<String>*/ excludes) |
|
1402 throws IOException { |
|
1403 if (!excludes.contains(src.getName())) { |
|
1404 if (src.isDirectory()) { |
|
1405 File[] children = src.listFiles(); |
|
1406 if (children != null) { |
|
1407 for (int i = 0; i < children.length; i++) |
|
1408 copyAll(children[i], |
|
1409 new File(dest, children[i].getName()), |
|
1410 excludes); |
|
1411 } |
|
1412 } |
|
1413 else { |
|
1414 dest.getParentFile().mkdirs(); |
|
1415 FileInputStream in = new FileInputStream(src); |
|
1416 FileOutputStream out = new FileOutputStream(dest); |
|
1417 send(in, out); |
|
1418 in.close(); |
|
1419 out.close(); |
|
1420 } |
|
1421 } |
|
1422 } |
|
1423 |
|
1424 |
|
1425 public static void dumpOutput(final Process p) { |
|
1426 Thread outputReader = new Thread("outputReader") { |
|
1427 public void run() { |
|
1428 try { |
|
1429 InputStream in = p.getInputStream(); |
|
1430 DownloadManager.send(in, System.out); |
|
1431 } catch (IOException e) { |
|
1432 log(e); |
|
1433 } |
|
1434 } |
|
1435 }; |
|
1436 outputReader.start(); |
|
1437 Thread errorReader = new Thread("errorReader") { |
|
1438 public void run() { |
|
1439 try { |
|
1440 InputStream in = p.getErrorStream(); |
|
1441 DownloadManager.send(in, System.err); |
|
1442 } catch (IOException e) { |
|
1443 log(e); |
|
1444 } |
|
1445 } |
|
1446 }; |
|
1447 errorReader.start(); |
|
1448 } |
|
1449 |
|
1450 |
|
1451 /** |
|
1452 * Creates the merged rt.jar and resources.jar files. |
|
1453 */ |
|
1454 private static void createMergedJars() { |
|
1455 log("DownloadManager.createMergedJars"); |
|
1456 File bundlePath; |
|
1457 if (isWindowsVista()) { |
|
1458 bundlePath = getLocalLowTempBundlePath(); |
|
1459 } else { |
|
1460 bundlePath = getBundlePath(); |
|
1461 } |
|
1462 File tmp = new File(bundlePath, "tmp"); |
|
1463 // explicitly check the final location, not the (potentially) local-low |
|
1464 // location -- a local-low finished isn't good enough to call it done |
|
1465 if (new File(getBundlePath(), "tmp" + File.separator + "finished").exists()) |
|
1466 return; // already done |
|
1467 log("DownloadManager.createMergedJars: running"); |
|
1468 tmp.mkdirs(); |
|
1469 boolean retry = false; |
|
1470 do { |
|
1471 try { |
|
1472 Bundle.getBundle("merged").install(false, false, true); |
|
1473 postDownloadComplete(); |
|
1474 // done, write an empty "finished" file to flag completion |
|
1475 File finished = new File(tmp, "finished"); |
|
1476 new FileOutputStream(finished).close(); |
|
1477 if (isWindowsVista()) { |
|
1478 if (!moveFileWithBroker(getKernelJREDir() + |
|
1479 "-bundles\\tmp\\finished")) { |
|
1480 throw new IOException("unable to create 'finished' file"); |
|
1481 } |
|
1482 } |
|
1483 log("DownloadManager.createMergedJars: created " + finished); |
|
1484 // next JRE startup will move these files into their final |
|
1485 // locations, as long as no other JREs are running |
|
1486 |
|
1487 // clean up the local low bundle directory on vista |
|
1488 if (isWindowsVista()) { |
|
1489 File tmpDir = getLocalLowTempBundlePath(); |
|
1490 File[] list = tmpDir.listFiles(); |
|
1491 if (list != null) { |
|
1492 for (int i = 0; i < list.length; i++) { |
|
1493 list[i].delete(); |
|
1494 } |
|
1495 } |
|
1496 tmpDir.delete(); |
|
1497 log("Finished cleanup, " + tmpDir + ".exists(): " + tmpDir.exists()); |
|
1498 } |
|
1499 } |
|
1500 catch (IOException e) { |
|
1501 log(e); |
|
1502 } |
|
1503 } |
|
1504 while (retry); |
|
1505 log("DownloadManager.createMergedJars: finished"); |
|
1506 } |
|
1507 |
|
1508 |
|
1509 private static void shutdown() { |
|
1510 try { |
|
1511 ExecutorService e = Bundle.getThreadPool(); |
|
1512 e.shutdown(); |
|
1513 e.awaitTermination(60 * 60 * 24, TimeUnit.SECONDS); |
|
1514 } |
|
1515 catch (InterruptedException e) { |
|
1516 } |
|
1517 } |
|
1518 |
|
1519 |
|
1520 // returns the registry key for kernel.debug |
|
1521 static native boolean getDebugKey(); |
|
1522 |
|
1523 |
|
1524 // returns the final value for the kernel debug property |
|
1525 public static boolean getDebugProperty(){ |
|
1526 /* |
|
1527 * Check registry key value |
|
1528 */ |
|
1529 boolean debugEnabled = getDebugKey(); |
|
1530 |
|
1531 /* |
|
1532 * Check system property - it should override the registry |
|
1533 * key value. |
|
1534 */ |
|
1535 if (System.getProperty(KERNEL_DEBUG_PROPERTY) != null) { |
|
1536 debugEnabled = Boolean.valueOf( |
|
1537 System.getProperty(KERNEL_DEBUG_PROPERTY)); |
|
1538 } |
|
1539 return debugEnabled; |
|
1540 |
|
1541 } |
|
1542 |
|
1543 |
|
1544 /** |
|
1545 * Outputs to the error stream even when System.err has not yet been |
|
1546 * initialized. |
|
1547 */ |
|
1548 static void println(String msg) { |
|
1549 if (System.err != null) |
|
1550 System.err.println(msg); |
|
1551 else { |
|
1552 try { |
|
1553 if (errorStream == null) |
|
1554 errorStream = new FileOutputStream(FileDescriptor.err); |
|
1555 errorStream.write((msg + |
|
1556 System.getProperty("line.separator")).getBytes("utf-8")); |
|
1557 } |
|
1558 catch (IOException e) { |
|
1559 throw new RuntimeException(e); |
|
1560 } |
|
1561 } |
|
1562 } |
|
1563 |
|
1564 |
|
1565 static void log(String msg) { |
|
1566 if (debug) { |
|
1567 println(msg); |
|
1568 try { |
|
1569 if (logStream == null) { |
|
1570 loadJKernelLibrary(); |
|
1571 File path = isWindowsVista() ? getLocalLowTempBundlePath() : |
|
1572 getBundlePath(); |
|
1573 path = new File(path, "kernel." + getCurrentProcessId() + ".log"); |
|
1574 logStream = new FileOutputStream(path); |
|
1575 } |
|
1576 logStream.write((msg + |
|
1577 System.getProperty("line.separator")).getBytes("utf-8")); |
|
1578 logStream.flush(); |
|
1579 } |
|
1580 catch (IOException e) { |
|
1581 // ignore |
|
1582 } |
|
1583 } |
|
1584 } |
|
1585 |
|
1586 |
|
1587 static void log(Throwable e) { |
|
1588 ByteArrayOutputStream buffer = new ByteArrayOutputStream(); |
|
1589 PrintStream p = new PrintStream(buffer); |
|
1590 e.printStackTrace(p); |
|
1591 p.close(); |
|
1592 log(buffer.toString(0)); |
|
1593 } |
|
1594 |
|
1595 |
|
1596 /** Dump the contents of a map to System.out. */ |
|
1597 private static void printMap(Map/*<String, String>*/ map) { |
|
1598 int size = 0; |
|
1599 Set<Integer> identityHashes = new HashSet<Integer>(); |
|
1600 Iterator/*<Map.Entry<String, String>>*/ i = map.entrySet().iterator(); |
|
1601 while (i.hasNext()) { |
|
1602 Map.Entry/*<String, String>*/ e = (Map.Entry) i.next(); |
|
1603 String key = (String) e.getKey(); |
|
1604 String value = (String) e.getValue(); |
|
1605 System.out.println(key + ": " + value); |
|
1606 Integer keyHash = Integer.valueOf(System.identityHashCode(key)); |
|
1607 if (!identityHashes.contains(keyHash)) { |
|
1608 identityHashes.add(keyHash); |
|
1609 size += key.length(); |
|
1610 } |
|
1611 Integer valueHash = Integer.valueOf(System.identityHashCode(value)); |
|
1612 if (!identityHashes.contains(valueHash)) { |
|
1613 identityHashes.add(valueHash); |
|
1614 size += value.length(); |
|
1615 } |
|
1616 } |
|
1617 System.out.println(size + " bytes"); |
|
1618 } |
|
1619 |
|
1620 |
|
1621 /** Process the "-dumpmaps" command-line argument. */ |
|
1622 private static void dumpMaps() throws IOException { |
|
1623 System.out.println("Resources:"); |
|
1624 System.out.println("----------"); |
|
1625 printMap(getResourceMap()); |
|
1626 System.out.println(); |
|
1627 System.out.println("Files:"); |
|
1628 System.out.println("----------"); |
|
1629 printMap(getFileMap()); |
|
1630 } |
|
1631 |
|
1632 |
|
1633 /** Process the "-download" command-line argument. */ |
|
1634 private static void processDownload(String bundleName) throws IOException { |
|
1635 if (bundleName.equals("all")) { |
|
1636 debug = true; |
|
1637 doBackgroundDownloads(true); |
|
1638 performCompletionIfNeeded(); |
|
1639 } |
|
1640 else { |
|
1641 Bundle bundle = Bundle.getBundle(bundleName); |
|
1642 if (bundle == null) { |
|
1643 println("Unknown bundle: " + bundleName); |
|
1644 System.exit(1); |
|
1645 } |
|
1646 else |
|
1647 bundle.install(); |
|
1648 } |
|
1649 } |
|
1650 |
|
1651 |
|
1652 static native int getCurrentProcessId(); |
|
1653 |
|
1654 private DownloadManager() { |
|
1655 } |
|
1656 |
|
1657 // Invoked by jkernel VM after the VM is initialized |
|
1658 static void setBootClassLoaderHook() { |
|
1659 if (!isJREComplete()) { |
|
1660 sun.misc.BootClassLoaderHook.setHook(new DownloadManager()); |
|
1661 } |
|
1662 } |
|
1663 |
|
1664 // Implementation of the BootClassLoaderHook interface |
|
1665 public String loadBootstrapClass(String name) { |
|
1666 // Check for download before we look for it. If |
|
1667 // DownloadManager ends up downloading it, it will add it to |
|
1668 // our search path before we proceed to the findClass(). |
|
1669 return DownloadManager.getBootClassPathEntryForClass(name); |
|
1670 } |
|
1671 |
|
1672 public boolean loadLibrary(String name) { |
|
1673 try { |
|
1674 if (!DownloadManager.isJREComplete() && |
|
1675 !DownloadManager.isCurrentThreadDownloading()) { |
|
1676 return DownloadManager.downloadFile("bin/" + |
|
1677 System.mapLibraryName(name)); |
|
1678 // it doesn't matter if the downloadFile call returns false -- |
|
1679 // it probably just means that this is a user library, as |
|
1680 // opposed to a JRE library |
|
1681 } |
|
1682 } catch (IOException e) { |
|
1683 throw new UnsatisfiedLinkError("Error downloading library " + |
|
1684 name + ": " + e); |
|
1685 } catch (NoClassDefFoundError e) { |
|
1686 // This happens while Java itself is being compiled; DownloadManager |
|
1687 // isn't accessible when this code is first invoked. It isn't an |
|
1688 // issue, as if we can't find DownloadManager, we can safely assume |
|
1689 // that additional code is not available for download. |
|
1690 } |
|
1691 return false; |
|
1692 } |
|
1693 |
|
1694 public boolean prefetchFile(String name) { |
|
1695 try { |
|
1696 return sun.jkernel.DownloadManager.downloadFile(name); |
|
1697 } catch (IOException ioe) { |
|
1698 return false; |
|
1699 } |
|
1700 } |
|
1701 |
|
1702 public String getBootstrapResource(String name) { |
|
1703 try { |
|
1704 // If this is a known JRE resource, ensure that its bundle is |
|
1705 // downloaded. If it isn't known, we just ignore the download |
|
1706 // failure and check to see if we can find the resource anyway |
|
1707 // (which is possible if the boot class path has been modified). |
|
1708 return DownloadManager.getBootClassPathEntryForResource(name); |
|
1709 } catch (NoClassDefFoundError e) { |
|
1710 // This happens while Java itself is being compiled; DownloadManager |
|
1711 // isn't accessible when this code is first invoked. It isn't an |
|
1712 // issue, as if we can't find DownloadManager, we can safely assume |
|
1713 // that additional code is not available for download. |
|
1714 return null; |
|
1715 } |
|
1716 } |
|
1717 |
|
1718 public URLClassPath getBootstrapClassPath(URLClassPath bcp, |
|
1719 URLStreamHandlerFactory factory) |
|
1720 { |
|
1721 return DownloadManager.getBootClassPath(bcp, factory); |
|
1722 } |
|
1723 |
|
1724 public boolean isCurrentThreadPrefetching() { |
|
1725 return DownloadManager.isCurrentThreadDownloading(); |
|
1726 } |
|
1727 |
|
1728 public static void main(String[] arg) throws Exception { |
|
1729 AccessController.checkPermission(new AllPermission()); |
|
1730 |
|
1731 boolean valid = false; |
|
1732 if (arg.length == 2 && arg[0].equals("-install")) { |
|
1733 valid = true; |
|
1734 Bundle bundle = new Bundle() { |
|
1735 protected void updateState() { |
|
1736 // the bundle path was provided on the command line, so we |
|
1737 // just claim it has already been "downloaded" to the local |
|
1738 // filesystem |
|
1739 state = DOWNLOADED; |
|
1740 } |
|
1741 }; |
|
1742 |
|
1743 File jarPath; |
|
1744 int index = 0; |
|
1745 do { |
|
1746 index++; |
|
1747 jarPath = new File(getBundlePath(), |
|
1748 CUSTOM_PREFIX + index + ".jar"); |
|
1749 } |
|
1750 while (jarPath.exists()); |
|
1751 bundle.setName(CUSTOM_PREFIX + index); |
|
1752 bundle.setLocalPath(new File(arg[1])); |
|
1753 bundle.setJarPath(jarPath); |
|
1754 bundle.setDeleteOnInstall(false); |
|
1755 bundle.install(); |
|
1756 } |
|
1757 else if (arg.length == 2 && arg[0].equals("-download")) { |
|
1758 valid = true; |
|
1759 processDownload(arg[1]); |
|
1760 } |
|
1761 else if (arg.length == 1 && arg[0].equals("-dumpmaps")) { |
|
1762 valid = true; |
|
1763 dumpMaps(); |
|
1764 } |
|
1765 else if (arg.length == 2 && arg[0].equals("-sha1")) { |
|
1766 valid = true; |
|
1767 System.out.println(BundleCheck.getInstance(new File(arg[1]))); |
|
1768 } |
|
1769 else if (arg.length == 1 && arg[0].equals("-downloadtest")) { |
|
1770 valid = true; |
|
1771 File file = File.createTempFile("download", ".test"); |
|
1772 for (;;) { |
|
1773 file.delete(); |
|
1774 downloadFromURL(getBaseDownloadURL(), file, "URLS", true); |
|
1775 System.out.println("Downloaded " + file.length() + " bytes"); |
|
1776 } |
|
1777 } |
|
1778 if (!valid) { |
|
1779 System.out.println("usage: DownloadManager -install <path>.zip |"); |
|
1780 System.out.println(" DownloadManager -download " + |
|
1781 "<bundle_name> |"); |
|
1782 System.out.println(" DownloadManager -dumpmaps"); |
|
1783 System.exit(1); |
|
1784 } |
|
1785 } |
|
1786 } |
|