| /* |
| * Copyright 2005-2006 Sun Microsystems, Inc. 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, |
| * CA 95054 USA or visit www.sun.com if you need additional information or |
| * have any questions. |
| */ |
| |
| /* @test |
| * @bug 6306165 6432567 |
| * @summary Check that a bad handshake doesn't cause a debuggee to abort |
| * |
| * @build VMConnection BadHandshakeTest Exit0 |
| * @run main BadHandshakeTest |
| * |
| */ |
| import java.io.InputStream; |
| import java.io.IOException; |
| import java.io.File; |
| import java.io.BufferedInputStream; |
| import java.net.ServerSocket; |
| import java.net.Socket; |
| import java.net.InetAddress; |
| 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 BadHandshakeTest { |
| |
| static volatile boolean ready = false; |
| |
| /* |
| * Helper class to redirect process output/error |
| */ |
| static class IOHandler implements Runnable { |
| InputStream in; |
| |
| IOHandler(InputStream in) { |
| this.in = in; |
| } |
| |
| static void handle(InputStream in) { |
| IOHandler handler = new IOHandler(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; |
| } |
| String s = new String(b, 0, n, "UTF-8"); |
| System.out.print(s); |
| } |
| } catch (IOException ioe) { |
| ioe.printStackTrace(); |
| } |
| } |
| |
| } |
| |
| /* |
| * 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"); |
| if (arch.equals("sparcv9")) { |
| exe += "sparcv9/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(p.getInputStream()); |
| IOHandler.handle(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; |
| } |
| } |
| |
| // Connect to the debuggee and handshake with garbage |
| Socket s = new Socket(InetAddress.getLocalHost(), port); |
| s.getOutputStream().write("Here's a poke in the eye".getBytes("UTF-8")); |
| s.close(); |
| |
| // Re-connect and to a partial handshake - don't disconnect |
| s = new Socket(InetAddress.getLocalHost(), port); |
| s.getOutputStream().write("JDWP-".getBytes("UTF-8")); |
| |
| |
| // 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(); |
| |
| process.waitFor(); |
| } |
| |
| } |