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 FileServerHandler JarUtils jdk.test.lib.compiler.CompilerUtils
34 * @run main/othervm CloseTest
35 * @summary URL-downloaded jar files can consume all available file descriptors
36 */
37
38 import java.io.File;
39 import java.io.IOException;
40 import java.lang.reflect.Method;
41 import java.net.URLClassLoader;
42 import java.net.InetSocketAddress;
43 import java.net.URL;
44 import java.nio.file.Files;
45 import java.nio.file.Path;
46 import java.nio.file.Paths;
47
48 import jdk.test.lib.compiler.CompilerUtils;
49
50 import com.sun.net.httpserver.HttpContext;
51 import com.sun.net.httpserver.HttpServer;
52
53 import static java.nio.file.StandardCopyOption.REPLACE_EXISTING;
54
55 public class CloseTest extends Common {
56 private static final String WORK_DIR = System.getProperty("user.dir")
57 + "/";
58 //
59 // needs two jar files test1.jar and test2.jar with following structure
60 //
61 // com/foo/TestClass
62 // com/foo/TestClass1
63 // com/foo/Resource1
64 // com/foo/Resource2
65 //
66 // and a directory hierarchy with the same structure/contents
67
68 public static void main(String args[]) throws Exception {
69 setup();
70
71 startHttpServer(WORK_DIR + "serverRoot/");
72
73 String testjar = WORK_DIR + "test.jar";
74 copyFile(WORK_DIR + "test1.jar", testjar);
75 test(testjar, 1);
76
77 // repeat test with different implementation
78 // of test.jar (whose TestClass.getValue() returns 2
79 copyFile(WORK_DIR + "test2.jar", testjar);
80 test(testjar, 2);
81
82 // repeat test using a directory of files
83 String testdir = WORK_DIR + "testdir/";
84 rm_minus_rf(new File(testdir));
85 copyDir(WORK_DIR + "test1/", testdir);
86 test(testdir, 1);
87
88 testdir = WORK_DIR + "testdir/";
89 rm_minus_rf(new File(testdir));
90 copyDir(WORK_DIR + "test2/", testdir);
91 test(testdir, 2);
92 getHttpServer().stop(3);
93 }
94
95 // create a loader on jarfile (or directory), plus a http loader
96 // load a class , then look for a resource
97 // also load a class from http loader
98 // then close the loader
99 // check further new classes/resources cannot be loaded
100 // check jar (or dir) can be deleted
101 // check existing classes can be loaded
102 // check boot classes can be loaded
103
104 static void test(String name, int expectedValue) throws Exception {
105
106 URL url = new URL("file", null, name);
107 URL url2 = getServerURL();
108 System.out.println("Doing tests with URL: " + url + " and " + url2);
109 URL[] urls = new URL[2];
110 urls[0] = url;
111 urls[1] = url2;
112 URLClassLoader loader = new URLClassLoader(urls);
113 Class testclass = loadClass("com.foo.TestClass", loader, true);
114 Class class2 = loadClass("Test", loader, true); // from http
115 class2.newInstance();
116 Object test = testclass.newInstance();
117 Method method = testclass.getDeclaredMethods()[0]; // int getValue();
118 int res = (Integer) method.invoke(test);
119
120 if (res != expectedValue) {
121 throw new RuntimeException("wrong value from getValue() [" + res +
122 "/" + expectedValue + "]");
123 }
124
125 // should find /resource1
126 URL u1 = loader.findResource("com/foo/Resource1");
127 if (u1 == null) {
128 throw new RuntimeException("can't find com/foo/Resource1 in test1.jar");
129 }
130 loader.close();
131
132 // should NOT find /resource2 even though it is in jar
133 URL u2 = loader.findResource("com/foo/Resource2");
134 if (u2 != null) {
135 throw new RuntimeException("com/foo/Resource2 unexpected in test1.jar");
136 }
137
138 // load tests
139 loadClass("com.foo.TestClass1", loader, false);
140 loadClass("com.foo.TestClass", loader, true);
141 loadClass("java.util.ArrayList", loader, true);
142
143 // now check we can delete the path
144 rm_minus_rf(new File(name));
145 System.out.println(" ... OK");
146 }
147
148 static HttpServer httpServer;
149
150 static HttpServer getHttpServer() {
151 return httpServer;
152 }
153
154 static URL getServerURL() throws Exception {
155 int port = httpServer.getAddress().getPort();
156 String s = "http://127.0.0.1:" + port + "/";
157 return new URL(s);
158 }
159
160 static void startHttpServer(String docroot) throws Exception {
161 httpServer = HttpServer.create(new InetSocketAddress(0), 10);
162 HttpContext ctx = httpServer.createContext(
163 "/", new FileServerHandler(docroot)
164 );
165 httpServer.start();
166 }
167
168 /**
169 * Prepare jars files for the tests
170 */
171 private static void setup () throws IOException {
172 String[] tests = new String[]{"test1", "test2"};
173 Path workDir = Paths.get(WORK_DIR);
174 Path testSrc = Paths.get(System.getProperty("test.src"));
175 for (String test : tests) {
176 Path testSrcDir = testSrc.resolve(test);
177 Path testTargetDir = workDir.resolve(test);
178 // Compile sources for corresponding test
179 CompilerUtils.compile(testSrcDir, testTargetDir);
180 // Copy all resources
181 Path packages = Paths.get("com", "foo");
182 Path copySrcDir = testSrcDir.resolve(packages);
183 Path copyTargetDir = testTargetDir.resolve(packages);
184 Files.createDirectories(copyTargetDir);
185 Path res1 = Paths.get("Resource1");
186 Path res2 = Paths.get("Resource2");
187 Files.copy(copySrcDir.resolve(res1), copyTargetDir.resolve(res1),
188 REPLACE_EXISTING);
189 Files.copy(copySrcDir.resolve(res2), copyTargetDir.resolve(res2),
190 REPLACE_EXISTING);
191 // Create jar
192 JarUtils.createJarFile(workDir.resolve(test + ".jar"), testTargetDir);
193 }
194
195 // Copy and compile server test class
196 Path serverRoot = Paths.get("serverRoot");
197 Path targetDir = workDir.resolve(serverRoot);
198 Path file = Paths.get("Test.java");
199 Files.createDirectories(targetDir);
200 Files.copy(testSrc.resolve(serverRoot).resolve(file),
201 targetDir.resolve(file), REPLACE_EXISTING);
202 CompilerUtils.compile(targetDir, targetDir);
203 }
204 }