/*
* Copyright (c) 2004, 2006, 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
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* questions.
*/
/* @test
* @bug 4997445
* @summary Test that with server=y, when VM runs to System.exit() no error happens
*
* @build VMConnection RunToExit Exit0
* @run main/othervm RunToExit
*/
import java.io.InputStream;
import java.io.IOException;
import java.io.File;
import java.io.BufferedInputStream;
import java.net.ServerSocket;
import com.sun.jdi.Bootstrap;
import com.sun.jdi.VirtualMachine;
import com.sun.jdi.event.*;
import com.sun.jdi.connect.Connector;
import com.sun.jdi.connect.AttachingConnector;
import java.util.Map;
import java.util.List;
import java.util.Iterator;
public class RunToExit {
/* Increment this when ERROR: seen */
static int error_seen = 0;
static volatile boolean ready = false;
/*
* Helper class to direct process output to a StringBuffer
*/
static class IOHandler implements Runnable {
private String name;
private BufferedInputStream in;
private StringBuffer buffer;
IOHandler(String name, InputStream in) {
this.name = name;
this.in = new BufferedInputStream(in);
this.buffer = new StringBuffer();
}
static void handle(String name, InputStream in) {
IOHandler handler = new IOHandler(name, in);
Thread thr = new Thread(handler);
thr.setDaemon(true);
thr.start();
}
public void run() {
try {
byte b[] = new byte[100];
for (;;) {
int n = in.read(b, 0, 100);
// The first thing that will get read is
// Listening for transport dt_socket at address: xxxxx
// which shows the debuggee is ready to accept connections.
ready = true;
if (n < 0) {
break;
}
buffer.append(new String(b, 0, n));
}
} catch (IOException ioe) { }
String str = buffer.toString();
if ( str.contains("ERROR:") ) {
error_seen++;
}
System.out.println(name + ": " + str);
}
}
/*
* Find a connector by name
*/
private static Connector findConnector(String name) {
List connectors = Bootstrap.virtualMachineManager().allConnectors();
Iterator iter = connectors.iterator();
while (iter.hasNext()) {
Connector connector = (Connector)iter.next();
if (connector.name().equals(name)) {
return connector;
}
}
return null;
}
/*
* Launch a server debuggee with the given address
*/
private static Process launch(String address, String class_name) throws IOException {
String exe = System.getProperty("java.home")
+ File.separator + "bin" + File.separator;
String arch = System.getProperty("os.arch");
String osname = System.getProperty("os.name");
if (osname.equals("SunOS") && arch.equals("sparcv9")) {
exe += "sparcv9/java";
} else if (osname.equals("SunOS") && arch.equals("amd64")) {
exe += "amd64/java";
} else {
exe += "java";
}
String cmd = exe + " " + VMConnection.getDebuggeeVMOptions() +
" -agentlib:jdwp=transport=dt_socket" +
",server=y" + ",suspend=y" + ",address=" + address +
" " + class_name;
System.out.println("Starting: " + cmd);
Process p = Runtime.getRuntime().exec(cmd);
IOHandler.handle("Input Stream", p.getInputStream());
IOHandler.handle("Error Stream", p.getErrorStream());
return p;
}
/*
* - pick a TCP port
* - Launch a server debuggee: server=y,suspend=y,address=${port}
* - run it to VM death
* - verify we saw no error
*/
public static void main(String args[]) throws Exception {
// find a free port
ServerSocket ss = new ServerSocket(0);
int port = ss.getLocalPort();
ss.close();
String address = String.valueOf(port);
// launch the server debuggee
Process process = launch(address, "Exit0");
// wait for the debugge to be ready
while (!ready) {
try {
Thread.sleep(1000);
} catch(Exception ee) {
throw ee;
}
}
// attach to server debuggee and resume it so it can exit
AttachingConnector conn = (AttachingConnector)findConnector("com.sun.jdi.SocketAttach");
Map conn_args = conn.defaultArguments();
Connector.IntegerArgument port_arg =
(Connector.IntegerArgument)conn_args.get("port");
port_arg.setValue(port);
VirtualMachine vm = conn.attach(conn_args);
// The first event is always a VMStartEvent, and it is always in
// an EventSet by itself. Wait for it.
EventSet evtSet = vm.eventQueue().remove();
for (Event event: evtSet) {
if (event instanceof VMStartEvent) {
break;
}
throw new RuntimeException("Test failed - debuggee did not start properly");
}
vm.eventRequestManager().deleteAllBreakpoints();
vm.resume();
int exitCode = process.waitFor();
// if the server debuggee ran cleanly, we assume we were clean
if (exitCode == 0 && error_seen == 0) {
System.out.println("Test passed - server debuggee cleanly terminated");
} else {
throw new RuntimeException("Test failed - server debuggee generated an error when it terminated");
}
}
}