1 
2 /*
3  * Copyright (c) 2019, Oracle and/or its affiliates. All rights reserved.
4  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
5  *
6  * This code is free software; you can redistribute it and/or modify it
7  * under the terms of the GNU General Public License version 2 only, as
8  * published by the Free Software Foundation.
9  *
10  * This code is distributed in the hope that it will be useful, but WITHOUT
11  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
12  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
13  * version 2 for more details (a copy is included in the LICENSE file that
14  * accompanied this code).
15  *
16  * You should have received a copy of the GNU General Public License version
17  * 2 along with this work; if not, write to the Free Software Foundation,
18  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
19  *
20  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
21  * or visit www.oracle.com if you need additional information or have any
22  * questions.
23  */
24 
25 import nsk.share.*;
26 import nsk.share.jpda.*;
27 import nsk.share.jdi.*;
28 
29 import java.nio.file.FileSystems;
30 import java.nio.file.Path;
31 
32 /**
33  * Launches a new Java process that uses a communication pipe to interact
34  * with the test.
35  */
36 
37 public class TestProcessLauncher {
38 
39     protected static final Path USER_DIR = FileSystems.getDefault().getPath(System.getProperty("user.dir", "."));
40     protected static final Path TEST_CLASSES_DIR = FileSystems.getDefault().getPath(System.getProperty("test.classes"));
41 
42     protected final String className;
43     private final ArgumentHandler argHandler;
44 
45     private IOPipe pipe;
46 
TestProcessLauncher(String className, ArgumentHandler argHandler)47     public TestProcessLauncher(String className, ArgumentHandler argHandler) {
48         this.className = className;
49         this.argHandler = argHandler;
50     }
51 
TestProcessLauncher(String className)52     public TestProcessLauncher(String className) {
53         this(className, new ArgumentHandler(new String[0]));
54     }
55 
launch()56     public Process launch() {
57 
58         String java = argHandler.getLaunchExecPath();
59 
60         Log log = new Log(System.out, argHandler);
61         Binder binder = new Binder(argHandler, log);
62         binder.prepareForPipeConnection(argHandler);
63 
64         String cmd = prepareLaunch(java, argHandler.getPipePort());
65 
66         Debugee debuggee = binder.startLocalDebugee(cmd);
67         debuggee.redirectOutput(log);
68 
69         pipe = new IOPipe(debuggee);
70 
71         String line = pipe.readln();
72         if (!"ready".equals(line)) {
73             System.out.println("Wrong reply received:" + line);
74         }
75         return debuggee.getProcess();
76     }
77 
quit()78     public void quit() {
79         if (pipe != null) {
80             pipe.println("quit");
81         }
82     }
83 
prepareLaunch(String javaExec, String pipePort)84     protected String prepareLaunch(String javaExec, String pipePort) {
85         return  javaExec + " " + className + " -pipe.port=" + pipePort;
86     }
87 
88 }
89