1 /* 2 * Copyright (c) 2009, 2017, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. 8 * 9 * This code is distributed in the hope that it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 12 * version 2 for more details (a copy is included in the LICENSE file that 13 * accompanied this code). 14 * 15 * You should have received a copy of the GNU General Public License version 16 * 2 along with this work; if not, write to the Free Software Foundation, 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 18 * 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 20 * or visit www.oracle.com if you need additional information or have any 21 * questions. 22 */ 23 24 /* 25 * @test 26 * @bug 4167874 27 * @modules java.logging 28 * jdk.httpserver 29 * jdk.compiler 30 * @library ../../../../com/sun/net/httpserver 31 * /test/lib 32 * @build jdk.test.lib.compiler.CompilerUtils 33 * jdk.test.lib.util.FileUtils 34 * jdk.test.lib.util.JarUtils 35 * jdk.test.lib.Platform 36 * FileServerHandler 37 * @run main/othervm CloseTest 38 * @summary URL-downloaded jar files can consume all available file descriptors 39 */ 40 41 import java.io.File; 42 import java.io.IOException; 43 import java.lang.reflect.Method; 44 import java.net.URLClassLoader; 45 import java.net.InetSocketAddress; 46 import java.net.URL; 47 import java.nio.file.Files; 48 import java.nio.file.Path; 49 import java.nio.file.Paths; 50 51 import jdk.test.lib.compiler.CompilerUtils; 52 import jdk.test.lib.util.JarUtils; 53 54 import com.sun.net.httpserver.HttpContext; 55 import com.sun.net.httpserver.HttpServer; 56 57 import static java.nio.file.StandardCopyOption.REPLACE_EXISTING; 58 59 public class CloseTest extends Common { 60 private static final String WORK_DIR = System.getProperty("user.dir") 61 + "/"; 62 // 63 // needs two jar files test1.jar and test2.jar with following structure 64 // 65 // com/foo/TestClass 66 // com/foo/TestClass1 67 // com/foo/Resource1 68 // com/foo/Resource2 69 // 70 // and a directory hierarchy with the same structure/contents 71 72 public static void main(String args[]) throws Exception { 73 setup(); 74 75 startHttpServer(WORK_DIR + "serverRoot/"); 76 77 String testjar = WORK_DIR + "test.jar"; 78 copyFile(WORK_DIR + "test1.jar", testjar); 79 test(testjar, 1); 80 81 // repeat test with different implementation 82 // of test.jar (whose TestClass.getValue() returns 2 83 copyFile(WORK_DIR + "test2.jar", testjar); 84 test(testjar, 2); 85 86 // repeat test using a directory of files 87 String testdir = WORK_DIR + "testdir/"; 88 rm_minus_rf(new File(testdir)); 89 copyDir(WORK_DIR + "test1/", testdir); 90 test(testdir, 1); 91 92 testdir = WORK_DIR + "testdir/"; 93 rm_minus_rf(new File(testdir)); 94 copyDir(WORK_DIR + "test2/", testdir); 95 test(testdir, 2); 96 getHttpServer().stop(3); 97 } 98 99 // create a loader on jarfile (or directory), plus a http loader 100 // load a class , then look for a resource 101 // also load a class from http loader 102 // then close the loader 103 // check further new classes/resources cannot be loaded 104 // check jar (or dir) can be deleted 105 // check existing classes can be loaded 106 // check boot classes can be loaded 107 108 static void test(String name, int expectedValue) throws Exception { 109 110 URL url = new URL("file", null, name); 111 URL url2 = getServerURL(); 112 System.out.println("Doing tests with URL: " + url + " and " + url2); 113 URL[] urls = new URL[2]; 114 urls[0] = url; 115 urls[1] = url2; 116 URLClassLoader loader = new URLClassLoader(urls); 117 Class testclass = loadClass("com.foo.TestClass", loader, true); 118 Class class2 = loadClass("Test", loader, true); // from http 119 class2.newInstance(); 120 Object test = testclass.newInstance(); 121 Method method = testclass.getDeclaredMethods()[0]; // int getValue(); 122 int res = (Integer) method.invoke(test); 123 124 if (res != expectedValue) { 125 throw new RuntimeException("wrong value from getValue() [" + res + 126 "/" + expectedValue + "]"); 127 } 128 129 // should find /resource1 130 URL u1 = loader.findResource("com/foo/Resource1"); 131 if (u1 == null) { 132 throw new RuntimeException("can't find com/foo/Resource1 in test1.jar"); 133 } 134 loader.close(); 135 136 // should NOT find /resource2 even though it is in jar 137 URL u2 = loader.findResource("com/foo/Resource2"); 138 if (u2 != null) { 139 throw new RuntimeException("com/foo/Resource2 unexpected in test1.jar"); 140 } 141 142 // load tests 143 loadClass("com.foo.TestClass1", loader, false); 144 loadClass("com.foo.TestClass", loader, true); 145 loadClass("java.util.ArrayList", loader, true); 146 147 // now check we can delete the path 148 rm_minus_rf(new File(name)); 149 System.out.println(" ... OK"); 150 } 151 152 static HttpServer httpServer; 153 154 static HttpServer getHttpServer() { 155 return httpServer; 156 } 157 158 static URL getServerURL() throws Exception { 159 int port = httpServer.getAddress().getPort(); 160 String s = "http://127.0.0.1:" + port + "/"; 161 return new URL(s); 162 } 163 164 static void startHttpServer(String docroot) throws Exception { 165 httpServer = HttpServer.create(new InetSocketAddress(0), 10); 166 HttpContext ctx = httpServer.createContext( 167 "/", new FileServerHandler(docroot) 168 ); 169 httpServer.start(); 170 } 171 172 /** 173 * Prepare jars files for the tests 174 */ 175 private static void setup () throws IOException { 176 String[] tests = new String[]{"test1", "test2"}; 177 Path workDir = Paths.get(WORK_DIR); 178 Path testSrc = Paths.get(System.getProperty("test.src")); 179 for (String test : tests) { 180 Path testSrcDir = testSrc.resolve(test); 181 Path testTargetDir = workDir.resolve(test); 182 // Compile sources for corresponding test 183 CompilerUtils.compile(testSrcDir, testTargetDir); 184 // Copy all resources 185 Path packages = Paths.get("com", "foo"); 186 Path copySrcDir = testSrcDir.resolve(packages); 187 Path copyTargetDir = testTargetDir.resolve(packages); 188 Files.createDirectories(copyTargetDir); 189 Path res1 = Paths.get("Resource1"); 190 Path res2 = Paths.get("Resource2"); 191 Files.copy(copySrcDir.resolve(res1), copyTargetDir.resolve(res1), 192 REPLACE_EXISTING); 193 Files.copy(copySrcDir.resolve(res2), copyTargetDir.resolve(res2), 194 REPLACE_EXISTING); 195 // Create jar 196 JarUtils.createJarFile(workDir.resolve(test + ".jar"), testTargetDir); 197 } 198 199 // Copy and compile server test class 200 Path serverRoot = Paths.get("serverRoot"); 201 Path targetDir = workDir.resolve(serverRoot); 202 Path file = Paths.get("Test.java"); 203 Files.createDirectories(targetDir); 204 Files.copy(testSrc.resolve(serverRoot).resolve(file), 205 targetDir.resolve(file), REPLACE_EXISTING); 206 CompilerUtils.compile(targetDir, targetDir); 207 } 208 }