diff -r fd16c54261b3 -r 90ce3da70b43 jdk/src/share/classes/com/sun/tools/jdi/ProcessAttachingConnector.java --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/jdk/src/share/classes/com/sun/tools/jdi/ProcessAttachingConnector.java Sat Dec 01 00:00:00 2007 +0000 @@ -0,0 +1,164 @@ +/* + * Copyright 2005 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. Sun designates this + * particular file as subject to the "Classpath" exception as provided + * by Sun in the LICENSE file that accompanied this code. + * + * 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. + */ + +package com.sun.tools.jdi; + +import java.io.IOException; +import java.io.UnsupportedEncodingException; +import java.util.Map; +import java.util.Properties; + +import com.sun.jdi.Bootstrap; +import com.sun.jdi.VirtualMachine; +import com.sun.jdi.connect.*; +import com.sun.jdi.connect.spi.*; + +/* + * An AttachingConnector that connects to a debuggee by specifying the process + * id (pid) as the connector argument. If the process is a debuggee listening + * on a transport address then this connector reads the transport address + * and attempts to attach to it using the appropriate transport. + */ + +public class ProcessAttachingConnector + extends ConnectorImpl implements AttachingConnector +{ + /* + * The arguments that this connector supports + */ + static final String ARG_PID = "pid"; + static final String ARG_TIMEOUT = "timeout"; + + com.sun.tools.attach.VirtualMachine vm; + Transport transport; + + public ProcessAttachingConnector() { + addStringArgument( + ARG_PID, + getString("process_attaching.pid.label"), + getString("process_attaching.pid"), + "", + true); + + addIntegerArgument( + ARG_TIMEOUT, + getString("generic_attaching.timeout.label"), // use generic keys to keep + getString("generic_attaching.timeout"), // resource bundle small + "", + false, + 0, Integer.MAX_VALUE); + + transport = new Transport() { + public String name() { + return "local"; + } + }; + } + + + /** + * Attach to a target VM using the specified address and Connector arguments. + */ + public VirtualMachine attach(Map args) + throws IOException, IllegalConnectorArgumentsException + { + String pid = argument(ARG_PID, args).value(); + String t = argument(ARG_TIMEOUT, args).value(); + int timeout = 0; + if (t.length() > 0) { + timeout = Integer.decode(t).intValue(); + } + + // Use Attach API to attach to target VM and read value of + // sun.jdwp.listenAddress property. + + String address = null; + com.sun.tools.attach.VirtualMachine vm = null; + try { + vm = com.sun.tools.attach.VirtualMachine.attach(pid); + Properties props = vm.getAgentProperties(); + address = props.getProperty("sun.jdwp.listenerAddress"); + } catch (Exception x) { + throw new IOException(x.getMessage()); + } finally { + if (vm != null) vm.detach(); + } + + // check that the property value is formatted correctly + + if (address == null) { + throw new IOException("Not a debuggee, or not listening for debugger to attach"); + } + int pos = address.indexOf(':'); + if (pos < 1) { + throw new IOException("Unable to determine transport endpoint"); + } + + // parse into transport library name and address + + final String lib = address.substring(0, pos); + address = address.substring(pos+1, address.length()); + + TransportService ts = null; + if (lib.equals("dt_socket")) { + ts = new SocketTransportService(); + } else { + if (lib.equals("dt_shmem")) { + try { + Class c = Class.forName("com.sun.tools.jdi.SharedMemoryTransportService"); + ts = (TransportService)c.newInstance(); + } catch (Exception x) { } + } + } + if (ts == null) { + throw new IOException("Transport " + lib + " not recognized"); + } + + // connect to the debuggee + + Connection connection = ts.attach(address, timeout, 0); + return Bootstrap.virtualMachineManager().createVirtualMachine(connection); + } + + public String name() { + return "com.sun.jdi.ProcessAttach"; + } + + public String description() { + return getString("process_attaching.description"); + } + + public Transport transport() { + if (transport == null) { + return new Transport() { + public String name() { + return "local"; + } + }; + } + return transport; + } + +}