1 /*
2 * Copyright (c) 2013, 2015, 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 import java.io.File;
25 import java.io.IOException;
26 import java.nio.file.FileSystem;
27 import java.nio.file.FileSystems;
28 import java.nio.file.Files;
29 import java.nio.file.LinkOption;
30 import java.nio.file.Path;
31 import java.nio.file.StandardCopyOption;
32 import java.nio.file.attribute.PosixFilePermission;
33 import java.util.HashSet;
34 import java.util.Set;
35 import java.util.concurrent.TimeUnit;
36 import java.util.concurrent.atomic.AtomicReference;
37
38 import jdk.testlibrary.ProcessTools;
39
40 /**
41 * @test
42 * @bug 6434402 8004926
43 * @library /lib/testlibrary
44 * @modules jdk.management.agent/jdk.internal.agent
45 * @build jdk.testlibrary.*
46 * @build TestManager TestApplication CustomLauncherTest
47 * @run main/othervm CustomLauncherTest
48 * @author Jaroslav Bachorik
49 */
50 public class CustomLauncherTest {
51 private static final String TEST_CLASSPATH = System.getProperty("test.class.path");
52 private static final String TEST_JDK = System.getProperty("test.jdk");
53 private static final String WORK_DIR = System.getProperty("user.dir");
54
55 private static final String TEST_SRC = System.getProperty("test.src");
56 private static final String OSNAME = System.getProperty("os.name");
57 private static final String ARCH;
58 static {
59 // magic with os.arch
60 String osarch = System.getProperty("os.arch");
61 switch (osarch) {
62 case "i386":
63 case "i486":
64 case "i586":
65 case "i686":
66 case "i786":
67 case "i886":
68 case "i986": {
69 ARCH = "i586";
70 break;
71 }
72 case "x86_64":
73 case "amd64": {
74 ARCH = "amd64";
75 break;
76 }
77 case "sparc":
78 ARCH = "sparcv9";
79 break;
80 default: {
81 ARCH = osarch;
82 }
83 }
84 }
85
86 public static void main(String[] args) throws Exception {
87 if (TEST_CLASSPATH == null || TEST_CLASSPATH.isEmpty()) {
88 System.out.println("Test is designed to be run from jtreg only");
89 return;
90 }
91
92 if (getPlatform() == null) {
93 System.out.println("Test not designed to run on this operating " +
94 "system (" + OSNAME + "), skipping...");
95 return;
96 }
97
98 final FileSystem FS = FileSystems.getDefault();
99
100 Path libjvmPath = findLibjvm(FS);
101 if (libjvmPath == null) {
102 throw new Error("Unable to locate 'libjvm.so' in " + TEST_JDK);
103 }
104
105 Process serverPrc = null, clientPrc = null;
106
107 try {
108 String[] launcher = getLauncher();
109
110 if (launcher == null) return; // launcher not available for the tested platform; skip
111
112 System.out.println("Starting custom launcher:");
113 System.out.println("=========================");
114 System.out.println(" launcher : " + launcher[0]);
115 System.out.println(" libjvm : " + libjvmPath.toString());
116 System.out.println(" classpath : " + TEST_CLASSPATH);
117 ProcessBuilder server = new ProcessBuilder(
118 launcher[1],
119 libjvmPath.toString(),
120 TEST_CLASSPATH,
121 "TestApplication"
122 );
123
124 final AtomicReference<String> port = new AtomicReference<>();
125
126 serverPrc = ProcessTools.startProcess(
127 "Launcher",
128 server,
129 (String line) -> {
130 if (line.startsWith("port:")) {
131 port.set(line.split("\\:")[1]);
132 } else if (line.startsWith("waiting")) {
133 return true;
134 }
135 return false;
136 },
137 5,
138 TimeUnit.SECONDS
139 );
140
141 System.out.println("Attaching test manager:");
142 System.out.println("=========================");
143 System.out.println(" PID : " + serverPrc.getPid());
144 System.out.println(" shutdown port : " + port.get());
145
146 ProcessBuilder client = ProcessTools.createJavaProcessBuilder(
147 "-cp",
148 TEST_CLASSPATH,
149 "--add-exports", "jdk.management.agent/jdk.internal.agent=ALL-UNNAMED",
150 "TestManager",
151 String.valueOf(serverPrc.getPid()),
152 port.get(),
153 "true"
154 );
155
156 clientPrc = ProcessTools.startProcess(
157 "TestManager",
158 client,
159 (String line) -> line.startsWith("Starting TestManager for PID"),
160 10,
161 TimeUnit.SECONDS
162 );
163
164 int clientExitCode = clientPrc.waitFor();
165 int serverExitCode = serverPrc.waitFor();
166
167 if (clientExitCode != 0 || serverExitCode != 0) {
168 throw new Error("Test failed");
169 }
170 } finally {
171 if (clientPrc != null) {
172 clientPrc.destroy();
173 clientPrc.waitFor();
174 }
175 if (serverPrc != null) {
176 serverPrc.destroy();
177 serverPrc.waitFor();
178 }
179 }
180 }
181
182 private static Path findLibjvm(FileSystem FS) {
183 Path libjvmPath = findLibjvm(FS.getPath(TEST_JDK, "lib"));
184 return libjvmPath;
185 }
186
187 private static Path findLibjvm(Path libPath) {
188 // libjvm.so -> server/libjvm.so -> client/libjvm.so
189 Path libjvmPath = libPath.resolve("libjvm.so");
190 if (isFileOk(libjvmPath)) {
191 return libjvmPath;
192 }
193 libjvmPath = libPath.resolve("server/libjvm.so");
194 if (isFileOk(libjvmPath)) {
195 return libjvmPath;
196 }
197 libjvmPath = libPath.resolve("client/libjvm.so");
198 if (isFileOk(libPath)) {
199 return libjvmPath;
200 }
201
202 return null;
203 }
204
205 private static boolean isFileOk(Path path) {
206 return Files.isRegularFile(path) && Files.isReadable(path);
207 }
208
209 private static String getPlatform() {
210 String platform = null;
211 switch (OSNAME.toLowerCase()) {
212 case "linux": {
213 platform = "linux";
214 break;
215 }
216 case "sunos": {
217 platform = "solaris";
218 break;
219 }
220 default: {
221 platform = null;
222 }
223 }
224
225 return platform;
226 }
227
228 private static String[] getLauncher() throws IOException {
229 String platform = getPlatform();
230 if (platform == null) {
231 return null;
232 }
233
234 String launcher = TEST_SRC + File.separator + platform + "-" + ARCH +
235 File.separator + "launcher";
236
237 final FileSystem FS = FileSystems.getDefault();
238 Path launcherPath = FS.getPath(launcher);
239
240 final boolean hasLauncher = Files.isRegularFile(launcherPath, LinkOption.NOFOLLOW_LINKS)&&
241 Files.isReadable(launcherPath);
242 if (!hasLauncher) {
243 System.out.println("Launcher [" + launcher + "] does not exist. Skipping the test.");
244 return null;
245 }
246
247 // It is impossible to store an executable file in the source control
248 // We need to copy the launcher to the working directory
249 // and set the executable flag
250 Path localLauncherPath = FS.getPath(WORK_DIR, "launcher");
251 Files.copy(launcherPath, localLauncherPath,
252 StandardCopyOption.REPLACE_EXISTING);
253 if (!Files.isExecutable(localLauncherPath)) {
254 Set<PosixFilePermission> perms = new HashSet<>(
255 Files.getPosixFilePermissions(
256 localLauncherPath,
257 LinkOption.NOFOLLOW_LINKS
258 )
259 );
260 perms.add(PosixFilePermission.OWNER_EXECUTE);
261 Files.setPosixFilePermissions(localLauncherPath, perms);
262 }
263 return new String[] {launcher, localLauncherPath.toAbsolutePath().toString()};
264 }
265 }