1 /*

     2  * Copyright (c) 2019, 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 8209790

    27  * @summary Checks ability for connecting to debug server (jstack, jmap, jinfo, jsnap)

    28  * @requires vm.hasSAandCanAttach

    29  * @requires os.family != "windows"

    30  * @modules java.base/jdk.internal.misc

    31  * @library /test/lib

    32  *

    33  * @run main/othervm DebugdConnectTest

    34  */

    35 

    36 import java.io.IOException;

    37 

    38 import jdk.test.lib.JDKToolLauncher;

    39 import jdk.test.lib.apps.LingeredApp;

    40 import jdk.test.lib.process.OutputAnalyzer;

    41 

    42 

    43 public class DebugdConnectTest {

    44 

    45     private static OutputAnalyzer runJHSDB(String command, String id) throws IOException, InterruptedException {

    46         JDKToolLauncher jhsdbLauncher = JDKToolLauncher.createUsingTestJDK("jhsdb");

    47         jhsdbLauncher.addToolArg(command);

    48         jhsdbLauncher.addToolArg("--connect");

    49         if (id != null) {

    50             jhsdbLauncher.addToolArg(id + "@localhost");

    51         } else {

    52             jhsdbLauncher.addToolArg("localhost");

    53         }

    54 

    55         Process jhsdb = (new ProcessBuilder(jhsdbLauncher.getCommand())).start();

    56         OutputAnalyzer out = new OutputAnalyzer(jhsdb);

    57 

    58         jhsdb.waitFor();

    59 

    60         System.out.println(out.getStdout());

    61         System.err.println(out.getStderr());

    62 

    63         return out;

    64     }

    65 

    66     private static void runJSTACK(String id) throws IOException, InterruptedException {

    67         OutputAnalyzer out = runJHSDB("jstack", id);

    68 

    69         out.shouldContain("LingeredApp");

    70         out.stderrShouldBeEmpty();

    71         out.shouldHaveExitValue(0);

    72     }

    73 

    74     private static void runJMAP(String id) throws IOException, InterruptedException {

    75         OutputAnalyzer out = runJHSDB("jmap", id);

    76 

    77         out.shouldContain("JVM version is");

    78         out.stderrShouldBeEmpty();

    79         out.shouldHaveExitValue(0);

    80     }

    81 

    82     private static void runJINFO(String id) throws IOException, InterruptedException {

    83         OutputAnalyzer out = runJHSDB("jinfo", id);

    84 

    85         out.shouldContain("Java System Properties:");

    86         out.stderrShouldBeEmpty();

    87         out.shouldHaveExitValue(0);

    88     }

    89 

    90     private static void runJSNAP(String id) throws IOException, InterruptedException {

    91         OutputAnalyzer out = runJHSDB("jsnap", id);

    92 

    93         out.shouldContain("java.vm.name=");

    94         out.stderrShouldBeEmpty();

    95         out.shouldHaveExitValue(0);

    96     }

    97 

    98     private static void runTests(String id, long debuggeePid) throws IOException, InterruptedException {

    99         DebugdUtils debugd = new DebugdUtils(id);

   100         debugd.attach(debuggeePid);

   101 

   102         try {

   103             runJSTACK(id);

   104             runJMAP(id);

   105             runJINFO(id);

   106             runJSNAP(id);

   107         } finally {

   108             debugd.detach();

   109         }

   110     }

   111 

   112     public static void main(String[] args) throws Exception {

   113         LingeredApp app = null;

   114 

   115         try {

   116             app = LingeredApp.startApp();

   117             System.out.println("Started LingeredApp with pid " + app.getPid());

   118 

   119             System.out.println("debugd connection test with server id:");

   120             runTests("test", app.getPid());

   121 

   122             System.out.println("debugd connection test without server id:");

   123             runTests(null, app.getPid());

   124         } finally {

   125             LingeredApp.stopApp(app);

   126         }

   127 

   128     }

   129 

   130 }