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