| /* |
| * Copyright (c) 2000, 2019, 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. |
| */ |
| |
| package nsk.jdi.AttachingConnector.attach; |
| |
| import com.sun.jdi.Bootstrap; |
| import com.sun.jdi.connect.*; |
| import com.sun.jdi.VirtualMachine; |
| import com.sun.jdi.ReferenceType; |
| |
| import java.io.*; |
| |
| import java.util.Iterator; |
| import java.util.List; |
| import java.util.Map; |
| |
| import nsk.share.*; |
| import nsk.share.jpda.*; |
| import nsk.share.jdi.*; |
| |
| |
| /** |
| * The test checks that debugger may establish connection with |
| * a target VM via <code>com.sun.jdi.SharedMemoryAttach</code> connector.<br> |
| * The test also analyzes exit code of debugee's process. |
| */ |
| public class attach002 extends Log { |
| static final int PASSED = 0; |
| static final int FAILED = 2; |
| static final int JCK_STATUS_BASE = 95; |
| static final String DEBUGEE_CLASS = |
| "nsk.jdi.AttachingConnector.attach.attach002t"; |
| |
| private Log log; |
| |
| private VirtualMachine vm; |
| |
| private int attempts; // attempts to connect to the debugee VM |
| private int delay = 4000; // delay between connection attempts |
| |
| IORedirector outRedirector; |
| IORedirector errRedirector; |
| |
| public static void main (String argv[]) { |
| System.exit(run(argv,System.out) + JCK_STATUS_BASE); |
| } |
| |
| public static int run(String argv[], PrintStream out) { |
| return new attach002().runIt(argv, out); |
| } |
| |
| private int runIt(String argv[], PrintStream out) { |
| String name; |
| Process proc; |
| ArgumentHandler argHandler = new ArgumentHandler(argv); |
| |
| // pass if "com.sun.jdi.SharedMemoryAttach" is not implemented |
| // on this platform |
| if (argHandler.shouldPass("com.sun.jdi.SharedMemoryAttach")) |
| return PASSED; |
| |
| log = new Log(out, argHandler); |
| |
| String args[] = argHandler.getArguments(); |
| |
| // treat second positional argument as delay between connection attempts |
| try { |
| delay = Integer.parseInt(args[1]); |
| } catch (NumberFormatException e) { |
| log.complain("Incorrect test parameter: timeout value must be an integer"); |
| return FAILED; |
| } catch (ArrayIndexOutOfBoundsException e) { |
| // ignore: default delay will be used if no second argument present |
| } |
| |
| // calculate number of connection attempts to not exceed WAITTIME |
| long timeout = argHandler.getWaitTime() * 60 * 1000; |
| attempts = (int)(timeout / delay); |
| |
| name = argHandler.getTransportSharedName(); |
| |
| String java = argHandler.getLaunchExecPath() |
| + " " + argHandler.getLaunchOptions(); |
| String cmd = java + |
| " -Xdebug -Xnoagent -Xrunjdwp:transport=dt_shmem,server=y,address=" + |
| name + " " + DEBUGEE_CLASS; |
| |
| Binder binder = new Binder(argHandler, log); |
| log.display("command: " + cmd); |
| Debugee debugee = binder.startLocalDebugee(cmd); |
| debugee.redirectOutput(log); |
| |
| if ((vm = attachTarget(name)) == null) { |
| log.complain("TEST: Unable to attach the debugee VM"); |
| debugee.close(); |
| return FAILED; |
| } |
| |
| log.display("target VM: name=" + vm.name() + " JRE version=" + |
| vm.version() + "\n\tdescription=" + vm.description()); |
| |
| debugee.setupVM(vm); |
| debugee.waitForVMInit(timeout); |
| |
| log.display("\nResuming debugee VM"); |
| debugee.resume(); |
| |
| log.display("\nWaiting for debugee VM exit"); |
| int code = debugee.waitFor(); |
| if (code != (JCK_STATUS_BASE+PASSED)) { |
| log.complain("Debugee VM has crashed: exit code=" + code); |
| return FAILED; |
| } |
| log.display("Debugee VM: exit code=" + code); |
| return PASSED; |
| } |
| |
| private VirtualMachine attachTarget(String name) { |
| Connector.Argument arg; |
| |
| if (name == null) { |
| log.complain("TEST: shared memory name is required!"); |
| return null; |
| } |
| |
| AttachingConnector connector = |
| (AttachingConnector) findConnector("com.sun.jdi.SharedMemoryAttach"); |
| |
| Map<java.lang.String,? extends com.sun.jdi.connect.Connector.Argument> cArgs = connector.defaultArguments(); |
| Iterator cArgsValIter = cArgs.keySet().iterator(); |
| while (cArgsValIter.hasNext()) { |
| String argKey = (String) cArgsValIter.next(); |
| String argVal = null; |
| |
| if ((arg = (Connector.Argument) cArgs.get(argKey)) == null) { |
| log.complain("Argument " + argKey.toString() + |
| "is not defined for the connector: " + connector.name()); |
| } |
| if (arg.name().equals("name")) |
| arg.setValue(name); |
| |
| log.display("\targument name=" + arg.name()); |
| if ((argVal = arg.value()) != null) |
| log.display("\t\tvalue="+argVal); |
| else log.display("\t\tvalue=NULL"); |
| } |
| |
| // make several attemts to connect to the debugee VM until WAITTIME exceeds |
| for (int i = 0; i < attempts; i++) { |
| try { |
| return connector.attach(cArgs); |
| } catch (IOException e) { |
| // could not connect; sleep a few and make new attempt |
| log.display("Connection attempt #" + i + " failed: " + e); |
| try { |
| Thread.currentThread().sleep(delay); |
| } catch (InterruptedException ie) { |
| log.complain("TEST INCOMPLETE: interrupted sleep: " + ie); |
| } |
| } catch (IllegalConnectorArgumentsException e) { |
| log.complain("TEST: Illegal connector arguments: " + |
| e.getMessage()); |
| return null; |
| } catch (Exception e) { |
| log.complain("TEST: Internal error: " + e.getMessage()); |
| return null; |
| } |
| } |
| // return null after all attempts failed |
| log.complain("FAILURE: all attempts to connect to the debugee VM failed"); |
| return null; |
| } |
| |
| private Connector findConnector(String connectorName) { |
| List connectors = Bootstrap.virtualMachineManager().allConnectors(); |
| Iterator iter = connectors.iterator(); |
| while (iter.hasNext()) { |
| Connector connector = (Connector) iter.next(); |
| if (connector.name().equals(connectorName)) { |
| log.display("Connector name=" + connector.name() + |
| "\n\tdescription=" + connector.description() + |
| "\n\ttransport=" + connector.transport().name()); |
| return connector; |
| } |
| } |
| throw new Error("No appropriate connector: " + connectorName); |
| } |
| } |