# -*- coding: utf-8 -*- # $Id: tdGuestHostTimings.py $ """ ???????? """ __copyright__ = \ """ Copyright (C) 2012-2019 Oracle Corporation This file is part of VirtualBox Open Source Edition (OSE), as available from http://www.virtualbox.org. This file is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License (GPL) as published by the Free Software Foundation, in version 2 as it comes in the "COPYING" file of the VirtualBox OSE distribution. VirtualBox OSE is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY of any kind. The contents of this file may alternatively be used under the terms of the Common Development and Distribution License Version 1.0 (CDDL) only, as it comes in the "COPYING.CDDL" file of the VirtualBox OSE 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. """ __version__ = "$Revision: 127855 $" 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=R0902 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 '); return rc; def parseOption(self, asArgs, iArg): # pylint: disable=R0912,R0915 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));