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  *          /lib/testlibrary
  32  *          /test/lib
  33  * @build jdk.test.lib.compiler.CompilerUtils
  34  *        jdk.test.lib.util.FileUtils
  35  *        jdk.test.lib.Platform
  36  *        FileServerHandler JarUtils
  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 
  53 import com.sun.net.httpserver.HttpContext;
  54 import com.sun.net.httpserver.HttpServer;
  55 
  56 import static java.nio.file.StandardCopyOption.REPLACE_EXISTING;
  57 
  58 public class CloseTest extends Common {
  59     private static final String WORK_DIR = System.getProperty("user.dir")
  60             + "/";
  61 //
  62 // needs two jar files test1.jar and test2.jar with following structure
  63 //
  64 // com/foo/TestClass
  65 // com/foo/TestClass1
  66 // com/foo/Resource1
  67 // com/foo/Resource2
  68 //
  69 // and a directory hierarchy with the same structure/contents
  70 
  71     public static void main(String args[]) throws Exception {
  72         setup();
  73 
  74         startHttpServer(WORK_DIR + "serverRoot/");
  75 
  76         String testjar = WORK_DIR + "test.jar";
  77         copyFile(WORK_DIR + "test1.jar", testjar);
  78         test(testjar, 1);
  79 
  80         // repeat test with different implementation
  81         // of test.jar (whose TestClass.getValue() returns 2
  82         copyFile(WORK_DIR + "test2.jar", testjar);
  83         test(testjar, 2);
  84 
  85         // repeat test using a directory of files
  86         String testdir = WORK_DIR + "testdir/";
  87         rm_minus_rf(new File(testdir));
  88         copyDir(WORK_DIR + "test1/", testdir);
  89         test(testdir, 1);
  90 
  91         testdir = WORK_DIR + "testdir/";
  92         rm_minus_rf(new File(testdir));
  93         copyDir(WORK_DIR + "test2/", testdir);
  94         test(testdir, 2);
  95         getHttpServer().stop(3);
  96     }
  97 
  98     // create a loader on jarfile (or directory), plus a http loader
  99     // load a class , then look for a resource
 100     // also load a class from http loader
 101     // then close the loader
 102     // check further new classes/resources cannot be loaded
 103     // check jar (or dir) can be deleted
 104     // check existing classes can be loaded
 105     // check boot classes can be loaded
 106 
 107     static void test(String name, int expectedValue) throws Exception {
 108 
 109         URL url = new URL("file", null, name);
 110         URL url2 = getServerURL();
 111         System.out.println("Doing tests with URL: " + url + " and " + url2);
 112         URL[] urls = new URL[2];
 113         urls[0] = url;
 114         urls[1] = url2;
 115         URLClassLoader loader = new URLClassLoader(urls);
 116         Class testclass = loadClass("com.foo.TestClass", loader, true);
 117         Class class2 = loadClass("Test", loader, true); // from http
 118         class2.newInstance();
 119         Object test = testclass.newInstance();
 120         Method method = testclass.getDeclaredMethods()[0]; // int getValue();
 121         int res = (Integer) method.invoke(test);
 122 
 123         if (res != expectedValue) {
 124             throw new RuntimeException("wrong value from getValue() [" + res +
 125                     "/" + expectedValue + "]");
 126         }
 127 
 128         // should find /resource1
 129         URL u1 = loader.findResource("com/foo/Resource1");
 130         if (u1 == null) {
 131             throw new RuntimeException("can't find com/foo/Resource1 in test1.jar");
 132         }
 133         loader.close();
 134 
 135         // should NOT find /resource2 even though it is in jar
 136         URL u2 = loader.findResource("com/foo/Resource2");
 137         if (u2 != null) {
 138             throw new RuntimeException("com/foo/Resource2 unexpected in test1.jar");
 139         }
 140 
 141         // load tests
 142         loadClass("com.foo.TestClass1", loader, false);
 143         loadClass("com.foo.TestClass", loader, true);
 144         loadClass("java.util.ArrayList", loader, true);
 145 
 146         // now check we can delete the path
 147         rm_minus_rf(new File(name));
 148         System.out.println(" ... OK");
 149     }
 150 
 151     static HttpServer httpServer;
 152 
 153     static HttpServer getHttpServer() {
 154         return httpServer;
 155     }
 156 
 157     static URL getServerURL() throws Exception {
 158         int port = httpServer.getAddress().getPort();
 159         String s = "http://127.0.0.1:" + port + "/";
 160         return new URL(s);
 161     }
 162 
 163     static void startHttpServer(String docroot) throws Exception {
 164         httpServer = HttpServer.create(new InetSocketAddress(0), 10);
 165         HttpContext ctx = httpServer.createContext(
 166                 "/", new FileServerHandler(docroot)
 167         );
 168         httpServer.start();
 169     }
 170 
 171     /**
 172      * Prepare jars files for the tests
 173      */
 174     private static void setup () throws IOException {
 175         String[] tests = new String[]{"test1", "test2"};
 176         Path workDir = Paths.get(WORK_DIR);
 177         Path testSrc = Paths.get(System.getProperty("test.src"));
 178         for (String test : tests) {
 179             Path testSrcDir =  testSrc.resolve(test);
 180             Path testTargetDir = workDir.resolve(test);
 181             // Compile sources for corresponding test
 182             CompilerUtils.compile(testSrcDir, testTargetDir);
 183             // Copy all resources
 184             Path packages = Paths.get("com", "foo");
 185             Path copySrcDir = testSrcDir.resolve(packages);
 186             Path copyTargetDir = testTargetDir.resolve(packages);
 187             Files.createDirectories(copyTargetDir);
 188             Path res1 = Paths.get("Resource1");
 189             Path res2 = Paths.get("Resource2");
 190             Files.copy(copySrcDir.resolve(res1), copyTargetDir.resolve(res1),
 191                        REPLACE_EXISTING);
 192             Files.copy(copySrcDir.resolve(res2), copyTargetDir.resolve(res2),
 193                        REPLACE_EXISTING);
 194             // Create jar
 195             JarUtils.createJarFile(workDir.resolve(test + ".jar"), testTargetDir);
 196         }
 197 
 198         // Copy and compile server test class
 199         Path serverRoot = Paths.get("serverRoot");
 200         Path targetDir = workDir.resolve(serverRoot);
 201         Path file = Paths.get("Test.java");
 202         Files.createDirectories(targetDir);
 203         Files.copy(testSrc.resolve(serverRoot).resolve(file),
 204                    targetDir.resolve(file), REPLACE_EXISTING);
 205         CompilerUtils.compile(targetDir, targetDir);
 206     }
 207 }