mirror of https://github.com/BOINC/boinc.git
62 lines
1.7 KiB
C++
62 lines
1.7 KiB
C++
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// This file is part of BOINC.
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// http://boinc.berkeley.edu
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// Copyright (C) 2010-2012 University of California
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//
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// BOINC is free software; you can redistribute it and/or modify it
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// under the terms of the GNU Lesser General Public License
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// as published by the Free Software Foundation,
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// either version 3 of the License, or (at your option) any later version.
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//
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// BOINC is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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// See the GNU Lesser General Public License for more details.
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//
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// You should have received a copy of the GNU Lesser General Public License
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// along with BOINC. If not, see <http://www.gnu.org/licenses/>.
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// vboxmonitor [options] BOINC VirtualBox monitor
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// see: http://boinc.berkeley.edu/trac/wiki/VboxApps
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// Options:
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//
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//
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// Duplicate everything sent to stdin to the console and the VM Guest Log.
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//
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// You can see the VM Guest Log on the host machine by executing:
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// vboxmanage showvminfo <vm_name> --log 0
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//
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// As a matter of course, vboxwrapper dumps the last 16k of the guest log to
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// the stderr log which is uploaded to the project server in case of an error.
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//
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//
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#include <sys/io.h>
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#include <iostream>
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#include <string>
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void guestlog(int c)
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{
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asm volatile ("out %%al,%%dx\n" : : "a"(c), "d"(0x504));
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}
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int main() {
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std::string buffer;
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// Dump input stream to string buffer
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std::cin >> buffer;
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// root access required
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iopl(3);
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// Write output to stdout as well as VirtualBox's Guest VM Log
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for (int i = 0; i < buffer.size(); ++i) {
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// Virtualbox
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guestlog((int)buffer[i]);
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// Console
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putc((int)buffer[i], stdout);
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}
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return 0;
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}
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