269 lines
8.2 KiB
Java
269 lines
8.2 KiB
Java
/*
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* Copyright (c) 2001, 2024, 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.jdwp.VirtualMachine.ReleaseEvents;
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import java.io.*;
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import nsk.share.*;
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import nsk.share.jpda.*;
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import nsk.share.jdwp.*;
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/**
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* Test for JDWP command: VirtualMachine.ReleaseEvents.
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*
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* See releaseevents001.README for description of test execution.
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*
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* This class represents debugger part of the test.
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* Test is executed by invoking method runIt().
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* JDWP command is tested in the method testCommand().
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*
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* @see #runIt()
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* @see #testCommand()
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*/
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public class releaseevents001 {
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// exit status constants
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static final int JCK_STATUS_BASE = 95;
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static final int PASSED = 0;
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static final int FAILED = 2;
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// communication signals constants
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static final String READY = "ready";
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static final String QUIT = "quit";
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// package and classes names constants
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static final String PACKAGE_NAME = "nsk.jdwp.VirtualMachine.ReleaseEvents";
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static final String TEST_CLASS_NAME = PACKAGE_NAME + "." + "releaseevents001";
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static final String DEBUGEE_CLASS_NAME = TEST_CLASS_NAME + "a";
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// tested JDWP command constants
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static final String JDWP_COMMAND_NAME = "VirtualMachine.ReleaseEvents";
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static final int JDWP_COMMAND_ID = JDWP.Command.VirtualMachine.ReleaseEvents;
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// usual scaffold objects
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ArgumentHandler argumentHandler = null;
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Log log = null;
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Binder binder = null;
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Debugee debugee = null;
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Transport transport = null;
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IOPipe pipe = null;
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// test passed or not
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boolean success = true;
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// -------------------------------------------------------------------
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/**
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* Start test from command line.
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*/
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public static void main (String argv[]) {
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int result = run(argv, System.out);
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if (result != 0) {
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throw new RuntimeException("Test failed");
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}
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}
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/**
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* Start JCK-compilant test.
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*/
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public static int run(String argv[], PrintStream out) {
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return new releaseevents001().runIt(argv, out);
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}
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// -------------------------------------------------------------------
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/**
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* Perform test execution.
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*/
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public int runIt(String argv[], PrintStream out) {
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// make log for debugger messages
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argumentHandler = new ArgumentHandler(argv);
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log = new Log(out, argumentHandler);
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// execute test and display results
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try {
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log.display("\n>>> Preparing debugee for testing \n");
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// launch debuggee
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binder = new Binder(argumentHandler, log);
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log.display("Launching debugee");
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debugee = binder.bindToDebugee(DEBUGEE_CLASS_NAME);
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transport = debugee.getTransport();
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pipe = debugee.createIOPipe();
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// make debuggee ready for testing
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prepareDebugee();
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// work with prepared debuggee
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try {
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// finally release events
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log.display("Holding events into debuggee");
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holdEvents();
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// perform testing JDWP command
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log.display("\n>>> Testing JDWP command \n");
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testCommand();
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} finally {
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// quit debugee
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log.display("\n>>> Finishing test \n");
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quitDebugee();
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}
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} catch (Failure e) {
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log.complain("TEST FAILED: " + e.getMessage());
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success = false;
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} catch (Exception e) {
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e.printStackTrace(out);
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log.complain("Caught unexpected exception while running the test:\n\t" + e);
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success = false;
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}
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if (!success) {
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log.complain("TEST FAILED");
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return FAILED;
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}
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out.println("TEST PASSED");
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return PASSED;
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}
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/**
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* Prepare debugee for testing and waiting for ready signal.
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*/
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void prepareDebugee() {
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// wait for VM_INIT event from debugee
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log.display("Waiting for VM_INIT event");
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debugee.waitForVMInit();
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// query debugee for VM-dependent ID sizes
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log.display("Querying for IDSizes");
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debugee.queryForIDSizes();
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// resume initially suspended debugee
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log.display("Resuming debugee VM");
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debugee.resume();
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// wait for READY signal from debugee
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log.display("Waiting for signal from debugee: " + READY);
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String signal = pipe.readln();
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log.display("Received signal from debugee: " + signal);
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if (! signal.equals(READY)) {
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throw new TestBug("Unexpected signal received from debugee: " + signal
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+ " (expected: " + READY + ")");
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}
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}
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/**
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* Sending debugee signal to quit and waiting for it exits.
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*/
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void quitDebugee() {
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// send debugee signal to quit
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log.display("Sending signal to debugee: " + QUIT);
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pipe.println(QUIT);
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// wait for debugee exits
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log.display("Waiting for debugee exits");
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int code = debugee.waitFor();
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// analize debugee exit status code
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if (code == JCK_STATUS_BASE + PASSED) {
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log.display("Debugee PASSED with exit code: " + code);
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} else {
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log.complain("Debugee FAILED with exit code: " + code);
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success = false;
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}
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}
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/**
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* Hold events into debuggee.
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*/
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void holdEvents() {
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CommandPacket command = new CommandPacket(JDWP.Command.VirtualMachine.HoldEvents);
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ReplyPacket reply = debugee.receiveReplyFor(command);
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}
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/**
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* Perform testing JDWP command.
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*/
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void testCommand() {
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// create command packet and fill requred out data
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log.display("Create command packet:");
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log.display("Command: " + JDWP_COMMAND_NAME);
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CommandPacket command = new CommandPacket(JDWP_COMMAND_ID);
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command.setLength();
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// send command packet to debugee
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try {
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log.display("Sending command packet:\n" + command);
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transport.write(command);
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} catch (IOException e) {
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log.complain("Unable to send command packet:\n\t" + e);
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success = false;
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return;
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}
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ReplyPacket reply = new ReplyPacket();
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// receive reply packet from debugee
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try {
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log.display("Waiting for reply packet");
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transport.read(reply);
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log.display("Reply packet received:\n" + reply);
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} catch (IOException e) {
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log.complain("Unable to read reply packet:\n\t" + e);
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success = false;
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return;
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}
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// check reply packet header
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try{
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log.display("Checking reply packet header");
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reply.checkHeader(command.getPacketID());
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} catch (BoundException e) {
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log.complain("Bad header of reply packet:\n\t" + e.getMessage());
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success = false;
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return;
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}
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// start parsing reply packet data
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log.display("Parsing reply packet:");
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reply.resetPosition();
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// no data in reply packet
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// check for extra data in reply packet
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if (!reply.isParsed()) {
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log.complain("Extra trailing bytes found in reply packet at: "
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+ reply.offsetString());
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success = false;
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}
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}
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}
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