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# -*- coding: utf-8 -*-
# $Id: tdGuestHostTimings.py $
"""
????????
"""
__copyright__ = \
"""
Copyright (C) 2012-2023 Oracle and/or its affiliates.
This file is part of VirtualBox base platform packages, as
available from https://www.virtualbox.org.
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
as published by the Free Software Foundation, in version 3 of the
License.
This program 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 for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, see <https://www.gnu.org/licenses>.
The contents of this file may alternatively be used under the terms
of the Common Development and Distribution License Version 1.0
(CDDL), a copy of it is provided in the "COPYING.CDDL" file included
in the VirtualBox distribution, in which case the provisions of the
CDDL are applicable instead of those of the GPL.
You may elect to license modified versions of this file under the
terms and conditions of either the GPL or the CDDL or both.
SPDX-License-Identifier: GPL-3.0-only OR CDDL-1.0
"""
__version__ = "$Revision: 155244 $"
import os
import sys
import time
import subprocess
import re
import time
# Only the main script needs to modify the path.
try: __file__
except: __file__ = sys.argv[0];
g_ksValidationKitDir = os.path.dirname(os.path.dirname(os.path.dirname(os.path.abspath(__file__))));
sys.path.append(g_ksValidationKitDir);
# Validation Kit imports.
from testdriver import reporter
from testdriver import base
from testdriver import vbox
from testdriver import vboxcon
from testdriver import vboxtestvms
class tdGuestHostTimings(vbox.TestDriver): # pylint: disable=too-many-instance-attributes
def __init__(self):
vbox.TestDriver.__init__(self);
self.sSessionTypeDef = 'gui';
self.oTestVmSet = self.oTestVmManager.getStandardVmSet('nat') ## ???
# Use the command line "--test-vms mw7x64 execute" to run the only "mw7x64" VM
oTestVm = vboxtestvms.TestVm('mw7x64', oSet = self.oTestVmSet, sHd = 'mw7x64.vdi',
sKind = 'Windows7', acCpusSup = range(1, 2), fIoApic = True, sFirmwareType = 'bios',
asParavirtModesSup = ['hyperv'], asVirtModesSup = ['hwvirt-np'],
sHddControllerType = 'SATA Controller');
self.oTestVmSet.aoTestVms.append(oTestVm);
self.sVMname = None
def showUsage(self):
rc = vbox.TestDriver.showUsage(self);
reporter.log('');
reporter.log('tdGuestHostTimings Options:');
reporter.log(' --runningvmname <vmname>');
return rc;
def parseOption(self, asArgs, iArg): # pylint: disable=too-many-branches,too-many-statements
if asArgs[iArg] == '--runningvmname':
iArg += 1
if iArg >= len(asArgs):
raise base.InvalidOption('The "----runningvmname" needs VM name')
self.sVMname = asArgs[iArg]
else:
return vbox.TestDriver.parseOption(self, asArgs, iArg)
return iArg + 1
def actionConfig(self):
return True
def actionExecute(self):
#self.sTempPathHost = os.environ.get("IPRT_TMPDIR")
self.sTempPathHost = os.path.normpath(os.environ.get("TEMP") + "/VBoxAudioValKit")
if self.sVMname is None:
return self.oTestVmSet.actionExecute(self, self.testOneVmConfig)
else:
return self.actionExecuteOnRunnigVM()
def doTest(self, oSession):
oConsole = oSession.console
oGuest = oConsole.guest
sOSTypeId = oGuest.OSTypeId.lower()
if sOSTypeId.find("win") == -1 :
reporter.log("Only Windows guests are currently supported")
reporter.testDone()
return True
oGuestSession = oGuest.createSession("Administrator", "password", "", "Audio Validation Kit")
guestSessionWaitResult = oGuestSession.waitFor(self.oVBoxMgr.constants.GuestSessionWaitResult_Start, 2000)
reporter.log("guestSessionWaitResult = %d" % guestSessionWaitResult)
for duration in range(3, 6):
reporter.testStart("Checking for duration of " + str(duration) + " seconds")
sPathToPlayer = "D:\\win\\" + ("amd64" if (sOSTypeId.find('_64') >= 0) else "x86") + "\\ntPlayToneWaveX.exe"
oProcess = oGuestSession.processCreate(sPathToPlayer, ["xxx0", "--total-duration-in-secs", str(duration)], [], [], 0)
processWaitResult = oProcess.waitFor(self.oVBoxMgr.constants.ProcessWaitForFlag_Start, 1000)
reporter.log("Started: pid %d, waitResult %d" % (oProcess.PID, processWaitResult))
processWaitResult = oProcess.waitFor(self.oVBoxMgr.constants.ProcessWaitForFlag_Terminate, 2 * duration * 1000)
reporter.log("Terminated: pid %d, waitResult %d" % (oProcess.PID, processWaitResult))
time.sleep(1) # Give audio backend sometime to save a stream to .wav file
absFileName = self.seekLatestAudioFileName(oGuestSession, duration)
if absFileName is None:
reporter.testFailure("Unable to find audio file")
continue
reporter.log("Checking audio file '" + absFileName + "'")
diff = self.checkGuestHostTimings(absFileName + ".timing")
if diff is not None:
if diff > 0.0: # Guest sends data quicker than a host can play
if diff > 0.01: # 1% is probably good threshold here
reporter.testFailure("Guest sends audio buffers too quickly")
else:
diff = -diff; # Much worse case: guest sends data very slow, host feels starvation
if diff > 0.005: # 0.5% is probably good threshold here
reporter.testFailure("Guest sends audio buffers too slowly")
reporter.testDone()
else:
reporter.testFailure("Unable to parse a file with timings")
oGuestSession.close()
del oGuest
del oConsole
return True
def testOneVmConfig(self, oVM, oTestVm):
#self.logVmInfo(oVM)
oSession, oTxsSession = self.startVmAndConnectToTxsViaTcp(oTestVm.sVmName,
fCdWait = True,
cMsTimeout = 60 * 1000)
if oSession is not None and oTxsSession is not None:
# Wait until guest reported success
reporter.log('Guest started. Connection to TXS service established.')
self.doTest(oSessionWrapper.o)
return True
def actionExecuteOnRunnigVM(self):
if not self.importVBoxApi():
return False;
oVirtualBox = self.oVBoxMgr.getVirtualBox()
oMachine = oVirtualBox.findMachine(self.sVMname)
if oMachine == None:
reporter.log("Machine '%s' is unknown" % (oMachine.name))
return False
if oMachine.state != self.oVBoxMgr.constants.MachineState_Running:
reporter.log("Machine '%s' is not Running" % (oMachine.name))
return False
oSession = self.oVBoxMgr.mgr.getSessionObject(oVirtualBox)
oMachine.lockMachine(oSession, self.oVBoxMgr.constants.LockType_Shared)
self.doTest(oSession);
oSession.unlockMachine()
del oSession
del oMachine
del oVirtualBox
return True
def seekLatestAudioFileName(self, guestSession, duration):
listOfFiles = os.listdir(self.sTempPathHost)
# Assuming that .wav files are named like 2016-11-15T12_08_27.669573100Z.wav by VBOX audio backend
# So that sorting by name = sorting by creation date
listOfFiles.sort(reverse = True)
for fileName in listOfFiles:
if not fileName.endswith(".wav"):
continue
absFileName = os.path.join(self.sTempPathHost, fileName)
# Ignore too small wav files (usually uncompleted audio streams)
statInfo = os.stat(absFileName)
if statInfo.st_size > 100:
return absFileName
return
def checkGuestHostTimings(self, absFileName):
with open(absFileName) as f:
for line_terminated in f:
line = line_terminated.rstrip('\n')
reporter.log("Last line is: " + line)
matchObj = re.match( r'(\d+) (\d+)', line, re.I)
if matchObj:
hostTime = int(matchObj.group(1))
guestTime = int(matchObj.group(2))
diff = float(guestTime - hostTime) / hostTime
return diff
return
if __name__ == '__main__':
sys.exit(tdGuestHostTimings().main(sys.argv));
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