71 lines
2.8 KiB
Java
71 lines
2.8 KiB
Java
/*
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* Copyright (c) 2020, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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package nsk.jdi.HiddenClass.events;
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import nsk.share.Log;
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import nsk.jdi.HiddenClass.events.DebuggerBase;
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import nsk.share.jdi.ArgumentHandler;
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import nsk.share.jpda.IOPipe;
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/* Debuggee base class. */
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class DebuggeeBase {
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private final IOPipe pipe;
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private final Log log;
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protected void logMsg(String msg) { log.display(msg); }
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protected DebuggeeBase(ArgumentHandler argHandler) {
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pipe = argHandler.createDebugeeIOPipe();
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log = argHandler.createDebugeeLog();
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}
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protected void syncWithDebugger() {
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// Notify debugger that debuggee is ready.
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logMsg("Debuggee: Sending command: " + DebuggerBase.COMMAND_READY);
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pipe.println(DebuggerBase.COMMAND_READY);
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// Wait for COMMAND_RUN from debugger to continue execution.
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logMsg("Debuggee: Waiting for command: " + DebuggerBase.COMMAND_RUN);
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String command = pipe.readln();
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if (command == null || !command.equals(DebuggerBase.COMMAND_RUN)) {
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logMsg("FAIL: Debugee: unknown command: " + command);
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throw new RuntimeException("Failed in sync with debugger. ");
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}
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}
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protected void quitSyncWithDebugger() {
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// Notify debugger about debuggee completed status.
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logMsg("Debuggee: Sending command: " + DebuggerBase.COMMAND_DONE);
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pipe.println(DebuggerBase.COMMAND_DONE);
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// Wait for command QUIT from debugger to release started threads and exit.
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logMsg("Debuggee: Waiting for command: " + DebuggerBase.COMMAND_QUIT);
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String command = pipe.readln();
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if (command == null || !command.equals(DebuggerBase.COMMAND_QUIT)) {
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logMsg("FAIL: Debugee: unknown command: " + command);
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throw new RuntimeException("Failed in sync with debugger. ");
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}
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}
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}
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