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 * @author Jaroslav Bachorik
44 *
45 * @library /lib/testlibrary
46 *
47 * @build jdk.testlibrary.*
48 * @build TestManager TestApplication CustomLauncherTest
49 * @run main/othervm CustomLauncherTest
50 */
51 public class CustomLauncherTest {
52 private static final String TEST_CLASSPATH = System.getProperty("test.class.path");
53 private static final String TEST_JDK = System.getProperty("test.jdk");
54 private static final String WORK_DIR = System.getProperty("user.dir");
55
56 private static final String TEST_SRC = System.getProperty("test.src");
57 private static final String OSNAME = System.getProperty("os.name");
58 private static final String ARCH;
59 static {
60 // magic with os.arch
61 String osarch = System.getProperty("os.arch");
62 switch (osarch) {
63 case "i386":
64 case "i486":
65 case "i586":
66 case "i686":
67 case "i786":
68 case "i886":
69 case "i986": {
70 ARCH = "i586";
71 break;
72 }
73 case "x86_64":
74 case "amd64": {
75 ARCH = "amd64";
76 break;
77 }
78 case "sparc":
79 ARCH = "sparcv9";
80 break;
81 default: {
82 ARCH = osarch;
83 }
84 }
85 }
86
87 public static void main(String[] args) throws Exception {
88 if (TEST_CLASSPATH == null || TEST_CLASSPATH.isEmpty()) {
89 System.out.println("Test is designed to be run from jtreg only");
90 return;
91 }
92
93 if (getPlatform() == null) {
94 System.out.println("Test not designed to run on this operating " +
95 "system (" + OSNAME + "), skipping...");
96 return;
97 }
98
99 final FileSystem FS = FileSystems.getDefault();
100
101 Path libjvmPath = findLibjvm(FS);
102 if (libjvmPath == null) {
103 throw new Error("Unable to locate 'libjvm.so' in " + TEST_JDK);
104 }
105
106 Process serverPrc = null, clientPrc = null;
107
108 try {
109 String[] launcher = getLauncher();
110
111 if (launcher == null) return; // launcher not available for the tested platform; skip
112
113 System.out.println("Starting custom launcher:");
114 System.out.println("=========================");
115 System.out.println(" launcher : " + launcher[0]);
116 System.out.println(" libjvm : " + libjvmPath.toString());
117 System.out.println(" classpath : " + TEST_CLASSPATH);
118 ProcessBuilder server = new ProcessBuilder(
119 launcher[1],
120 libjvmPath.toString(),
121 TEST_CLASSPATH,
122 "TestApplication"
123 );
124
125 final AtomicReference<String> port = new AtomicReference<>();
126
127 serverPrc = ProcessTools.startProcess(
128 "Launcher",
129 server,
130 (String line) -> {
131 if (line.startsWith("port:")) {
132 port.set(line.split("\\:")[1]);
133 } else if (line.startsWith("waiting")) {
134 return true;
135 }
136 return false;
137 },
138 5,
139 TimeUnit.SECONDS
140 );
141
142 System.out.println("Attaching test manager:");
143 System.out.println("=========================");
144 System.out.println(" PID : " + serverPrc.getPid());
145 System.out.println(" shutdown port : " + port.get());
146
147 ProcessBuilder client = ProcessTools.createJavaProcessBuilder(
148 "-cp",
149 TEST_CLASSPATH,
150 "--add-exports", "jdk.management.agent/jdk.internal.agent=ALL-UNNAMED",
151 "TestManager",
152 String.valueOf(serverPrc.getPid()),
153 port.get(),
154 "true"
155 );
156
157 clientPrc = ProcessTools.startProcess(
158 "TestManager",
159 client,
160 (String line) -> line.startsWith("Starting TestManager for PID"),
161 10,
162 TimeUnit.SECONDS
163 );
164
165 int clientExitCode = clientPrc.waitFor();
166 int serverExitCode = serverPrc.waitFor();
167
168 if (clientExitCode != 0 || serverExitCode != 0) {
169 throw new Error("Test failed");
170 }
171 } finally {
172 if (clientPrc != null) {
173 clientPrc.destroy();
174 clientPrc.waitFor();
175 }
176 if (serverPrc != null) {
177 serverPrc.destroy();
178 serverPrc.waitFor();
179 }
180 }
181 }
182
183 private static Path findLibjvm(FileSystem FS) {
184 Path libjvmPath = findLibjvm(FS.getPath(TEST_JDK, "lib"));
185 return libjvmPath;
186 }
187
188 private static Path findLibjvm(Path libPath) {
189 // libjvm.so -> server/libjvm.so -> client/libjvm.so
190 Path libjvmPath = libPath.resolve("libjvm.so");
191 if (isFileOk(libjvmPath)) {
192 return libjvmPath;
193 }
194 libjvmPath = libPath.resolve("server/libjvm.so");
195 if (isFileOk(libjvmPath)) {
196 return libjvmPath;
197 }
198 libjvmPath = libPath.resolve("client/libjvm.so");
199 if (isFileOk(libPath)) {
200 return libjvmPath;
201 }
202
203 return null;
204 }
205
206 private static boolean isFileOk(Path path) {
207 return Files.isRegularFile(path) && Files.isReadable(path);
208 }
209
210 private static String getPlatform() {
211 String platform = null;
212 switch (OSNAME.toLowerCase()) {
213 case "linux": {
214 platform = "linux";
215 break;
216 }
217 case "sunos": {
218 platform = "solaris";
219 break;
220 }
221 default: {
222 platform = null;
223 }
224 }
225
226 return platform;
227 }
228
229 private static String[] getLauncher() throws IOException {
230 String platform = getPlatform();
231 if (platform == null) {
232 return null;
233 }
234
235 String launcher = TEST_SRC + File.separator + platform + "-" + ARCH +
236 File.separator + "launcher";
237
238 final FileSystem FS = FileSystems.getDefault();
239 Path launcherPath = FS.getPath(launcher);
240
241 final boolean hasLauncher = Files.isRegularFile(launcherPath, LinkOption.NOFOLLOW_LINKS)&&
242 Files.isReadable(launcherPath);
243 if (!hasLauncher) {
244 System.out.println("Launcher [" + launcher + "] does not exist. Skipping the test.");
245 return null;
246 }
247
248 // It is impossible to store an executable file in the source control
249 // We need to copy the launcher to the working directory
250 // and set the executable flag
251 Path localLauncherPath = FS.getPath(WORK_DIR, "launcher");
252 Files.copy(launcherPath, localLauncherPath,
253 StandardCopyOption.REPLACE_EXISTING);
254 if (!Files.isExecutable(localLauncherPath)) {
255 Set<PosixFilePermission> perms = new HashSet<>(
256 Files.getPosixFilePermissions(
257 localLauncherPath,
258 LinkOption.NOFOLLOW_LINKS
259 )
260 );
261 perms.add(PosixFilePermission.OWNER_EXECUTE);
262 Files.setPosixFilePermissions(localLauncherPath, perms);
263 }
264 return new String[] {launcher, localLauncherPath.toAbsolutePath().toString()};
265 }
266 }