aboutsummaryrefslogtreecommitdiff
path: root/agent/test/jdi/serialvm.java
blob: 7cee578136e0a7187ab9ada0114215fd6cfe11be (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
/*
 * Copyright (c) 2003, Oracle and/or its affiliates. All rights reserved.
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 *
 * This code is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License version 2 only, as
 * published by the Free Software Foundation.
 *
 * This code is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
 * version 2 for more details (a copy is included in the LICENSE file that
 * accompanied this code).
 *
 * You should have received a copy of the GNU General Public License version
 * 2 along with this work; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
 *
 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
 * or visit www.oracle.com if you need additional information or have any
 * questions.
 *
 */

import com.sun.jdi.*;
import com.sun.jdi.connect.*;

import java.util.Map;
import java.util.List;
import java.util.Iterator;
import java.io.IOException;


/* This class is used to test multi VM connectivity feature of
 * SA/JDI. Accepts two PIDs as arguments. Connects to first VM
 *, disposes it, connects to second VM, disposes second VM.
 */


public class serialvm {
    static AttachingConnector myPIDConn;
    static VirtualMachine vm1;
    static VirtualMachine vm2;
    static VirtualMachineManager vmmgr;

    public static void println(String msg) {
        System.out.println(msg);
    }

    private static void usage() {
        System.err.println("Usage: java serialvm <pid1> <pid2>");
        System.exit(1);
    }

    public static void main(String args[]) {
        vmmgr = Bootstrap.virtualMachineManager();
        List attachingConnectors = vmmgr.attachingConnectors();
        if (attachingConnectors.isEmpty()) {
            System.err.println( "ERROR: No attaching connectors");
            return;
        }
        Iterator myIt = attachingConnectors.iterator();
        while (myIt.hasNext()) {
            AttachingConnector tmpCon = (AttachingConnector)myIt.next();
            if (tmpCon.name().equals(
                "sun.jvm.hotspot.jdi.SAPIDAttachingConnector")) {
                myPIDConn = tmpCon;
                break;
            }
        }

        int pid1 = 0, pid2 = 0;
        String pidText = null;
        switch (args.length) {
        case (2):
            try {
                pidText = args[0];
                pid1 = Integer.parseInt(pidText);
                System.out.println( "pid1: " + pid1);
                pidText = args[1];
                pid2 = Integer.parseInt(pidText);
                System.out.println( "pid2: " + pid2);
            } catch (NumberFormatException e) {
                println(e.getMessage());
                usage();
            }
            break;
        default:
            usage();
        }

        // attach, dispose, attach2, dispose2 pattern
        // as opposed to attach1, attach2, dispose1, dispose2
        vm1 = attachPID(pid1);
        if (vm1 != null) {
            System.out.println("vm1: attached ok!");
            System.out.println(vm1.version());
            sagdoit mine = new sagdoit(vm1);
            mine.doAll();
        }
        if (vm1 != null) {
            vm1.dispose();
        }

        vm2 = attachPID(pid2);
        if (vm2 != null) {
            System.out.println("vm2: attached ok!");
            System.out.println(vm2.version());
            sagdoit mine = new sagdoit(vm2);
            mine.doAll();
        }


        if (vm2 != null) {
            vm2.dispose();
        }
    }

   private static VirtualMachine attachPID(int pid) {
        Map connArgs = myPIDConn.defaultArguments();
        System.out.println("connArgs = " + connArgs);
        VirtualMachine vm;
        Connector.StringArgument connArg = (Connector.StringArgument)connArgs.get("pid");
        connArg.setValue(Integer.toString(pid));

        try {
            vm = myPIDConn.attach(connArgs);
        } catch (IOException ee) {
            System.err.println("ERROR: myPIDConn.attach got IO Exception:" + ee);
            vm = null;
        } catch (IllegalConnectorArgumentsException ee) {
            System.err.println("ERROR: myPIDConn.attach got illegal args exception:" + ee);
            vm = null;
        }
        return vm;
   }
}