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comparison agent/test/jdi/serialvm.java @ 0:a61af66fc99e jdk7-b24

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author duke
date Sat, 01 Dec 2007 00:00:00 +0000
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-1:000000000000 0:a61af66fc99e
1 /*
2 * Copyright 2003 Sun Microsystems, Inc. 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
20 * CA 95054 USA or visit www.sun.com if you need additional information or
21 * have any questions.
22 *
23 */
24
25 import com.sun.jdi.*;
26 import com.sun.jdi.connect.*;
27
28 import java.util.Map;
29 import java.util.List;
30 import java.util.Iterator;
31 import java.io.IOException;
32
33
34 /* This class is used to test multi VM connectivity feature of
35 * SA/JDI. Accepts two PIDs as arguments. Connects to first VM
36 *, disposes it, connects to second VM, disposes second VM.
37 */
38
39
40 public class serialvm {
41 static AttachingConnector myPIDConn;
42 static VirtualMachine vm1;
43 static VirtualMachine vm2;
44 static VirtualMachineManager vmmgr;
45
46 public static void println(String msg) {
47 System.out.println(msg);
48 }
49
50 private static void usage() {
51 System.err.println("Usage: java serialvm <pid1> <pid2>");
52 System.exit(1);
53 }
54
55 public static void main(String args[]) {
56 vmmgr = Bootstrap.virtualMachineManager();
57 List attachingConnectors = vmmgr.attachingConnectors();
58 if (attachingConnectors.isEmpty()) {
59 System.err.println( "ERROR: No attaching connectors");
60 return;
61 }
62 Iterator myIt = attachingConnectors.iterator();
63 while (myIt.hasNext()) {
64 AttachingConnector tmpCon = (AttachingConnector)myIt.next();
65 if (tmpCon.name().equals(
66 "sun.jvm.hotspot.jdi.SAPIDAttachingConnector")) {
67 myPIDConn = tmpCon;
68 break;
69 }
70 }
71
72 int pid1 = 0, pid2 = 0;
73 String pidText = null;
74 switch (args.length) {
75 case (2):
76 try {
77 pidText = args[0];
78 pid1 = Integer.parseInt(pidText);
79 System.out.println( "pid1: " + pid1);
80 pidText = args[1];
81 pid2 = Integer.parseInt(pidText);
82 System.out.println( "pid2: " + pid2);
83 } catch (NumberFormatException e) {
84 println(e.getMessage());
85 usage();
86 }
87 break;
88 default:
89 usage();
90 }
91
92 // attach, dispose, attach2, dispose2 pattern
93 // as opposed to attach1, attach2, dispose1, dispose2
94 vm1 = attachPID(pid1);
95 if (vm1 != null) {
96 System.out.println("vm1: attached ok!");
97 System.out.println(vm1.version());
98 sagdoit mine = new sagdoit(vm1);
99 mine.doAll();
100 }
101 if (vm1 != null) {
102 vm1.dispose();
103 }
104
105 vm2 = attachPID(pid2);
106 if (vm2 != null) {
107 System.out.println("vm2: attached ok!");
108 System.out.println(vm2.version());
109 sagdoit mine = new sagdoit(vm2);
110 mine.doAll();
111 }
112
113
114 if (vm2 != null) {
115 vm2.dispose();
116 }
117 }
118
119 private static VirtualMachine attachPID(int pid) {
120 Map connArgs = myPIDConn.defaultArguments();
121 System.out.println("connArgs = " + connArgs);
122 VirtualMachine vm;
123 Connector.StringArgument connArg = (Connector.StringArgument)connArgs.get("pid");
124 connArg.setValue(Integer.toString(pid));
125
126 try {
127 vm = myPIDConn.attach(connArgs);
128 } catch (IOException ee) {
129 System.err.println("ERROR: myPIDConn.attach got IO Exception:" + ee);
130 vm = null;
131 } catch (IllegalConnectorArgumentsException ee) {
132 System.err.println("ERROR: myPIDConn.attach got illegal args exception:" + ee);
133 vm = null;
134 }
135 return vm;
136 }
137 }