def WaitForLock(LockFileName):
iCount = 0
while True == os.path.isfile(LockFileName) :
iCount+=1
Sleep.SleepMs(2)
if iCount > 100 : # if lock lasts too long, just return something TODO - maybe log something?
return False
try :
lockFile = os.open(LockFileName,os.O_CREAT|os.O_EXCL|os.O_RDWR)
os.write(lockFile,"lock".encode('utf-8'))
os.close(lockFile)
return True
except Exception as ex:
#give it one more try
# iCount=0
while True == os.path.isfile(LockFileName) :
iCount+=1
Sleep.SleepMs(5)
if iCount > 100 : # if lock lasts too long, just return something TODO - maybe log something?
return False
try :
lockFile = os.open(LockFileName,os.O_CREAT|os.O_EXCL|os.O_RDWR)
os.write(lockFile,"lock".encode('utf-8'))
os.close(lockFile)
return True
except Exception as ex:
#print("Bottom of routine: " + str(ex))
pass
return False
def StartupWorkerProc(fnKillSignalled, userData):
downstreamServer = userData[0]
upstreamServer = userData[1]
Sleep.SleepMs(500)
downstreamServer.Start()
upstreamServer.DropPackets(True)
upstreamServer.Start()
Watchdog.ConnectionUpdateTimer()
Watchdog.WatchdogTimer()
conf = Configuration.get()
if None != conf.GetAutorunFilename():
GuiMgr.OnStopLiveData()
#GuiMgr.OnStopPlayback()
#GuiMgr.OnStopRecording(True) #drop all recorded packets
GuiMgr.OnSetPlaybackSpeed(Configuration.get().GetPlaybackSpeed())
ss = Configuration.get().GetAutorunLocations()
#GuiMgr.OnEnablePlayback()
GuiMgr.ReadFromFile(Configuration.get().GetAutorunFilename())
GuiMgr.OnStopPlayback()
Sleep.SleepMs(
100) # let gui worker threads catch up, so gui updates properly
GuiMgr.OnStartPlayback()
GuiMgr.OnSetRepeatMode(Configuration.get().GetAutoRunMode(), ss[0],
ss[1])
else:
upstreamServer.DropPackets(False)
if None != conf.GetAutorunTime() and conf.GetAutorunTime(
) > 0: # specified a --time, so let's hang out for that long
endTime = Time.GetCurrMS() + conf.GetAutorunTime() * 60 * 1000
Log.getLogger().info("Waiting for " + str(conf.GetAutorunTime()) +
" minutes before auto shutdown")
if conf.GetRecordFilename():
GuiMgr.OnStartRecording()
while not fnKillSignalled() and endTime > Time.GetCurrMS():
Sleep.SleepMs(250)
Log.getLogger().info("Shutting down after time period")
if conf.GetRecordFilename(
): # was a recording session, so quit after that time
GuiMgr.OnStopRecording()
GuiMgr.WriteToFile(conf.GetRecordFilename())
Log.getLogger().info("Saving Recorded data to file: " +
conf.GetRecordFilename())
GuiMgr.Quit()
def __AlternateCollectionMethodMultiThread(self,fnKillSignalled,startIndex):
processedWithoutRestdummymakelooklikeother = 0
ThreadCount = -1
ProcessThreadCount = self.__CreateInitialCollectorThreadGroupings()
AddActiveProcessingThreads(ProcessThreadCount)
firstGroupID = None
firstGroupCollectors = []
collectorCount = len(self._Collectors)
if collectorCount < 1:
Log.getLogger().error("No Collectors to process")
return
for processThreadID,collectorList in self.__ProcessThreadGroupings.items():
if None == firstGroupID:
firstGroupID = processThreadID
firstGroupCollectors = collectorList
else:
ID = str(self) + processThreadID
ThreadManager.GetThreadManager().CreateThread(ID,self.__SlicedThreadProc,processThreadID) # create a worker thread and pass it a list of collectors to update
ThreadManager.GetThreadManager().StartThread(ID)
ThreadCount += 1
while not fnKillSignalled(): # now go process the 1st group in this thread
processed = self.__CollectSingleRange(fnKillSignalled,firstGroupID)
if processed == 0:
Sleep.SleepMs(Namespace.SleepIntervalIfNoDataCollected)
if collectorCount != len(self._Collectors): # dynamic collectos must have added some
pass
def OnStart(self):
print("Using Console UI")
signal.signal(signal.SIGINT,
self.signal_handler) # make my own Ctrl+C handler now
while not self._End:
Sleep.SleepMs(250)
def Begin(self,runOnce=False):
#start udp server
# start collectors
if False and False == Namespace._UseSingleCollectorThreadPerNamespace and not Namespace._UseMultiThreadPerNamespace: # deprecated
for collector in self._Collectors:
if not collector.IsInGroup() and not collector.IsOnDemand():
collector.BeginCollecting(runOnce)
Sleep.SleepMs(5) # so not at all same time
# this has now really been deprecated and should not be used anymore
elif True == Namespace._UseSingleCollectorThreadPerNamespace or runOnce: #one thread to do all collecting
ThreadManager.GetThreadManager().CreateThread(self._ID,self.__AlternateCollectionMethod,runOnce)
ThreadManager.GetThreadManager().StartThread(self._ID)
else: # many threads, with multiple collectors per thread
ThreadManager.GetThreadManager().CreateThread(self._ID,self.__AlternateCollectionMethodMultiThread)
ThreadManager.GetThreadManager().StartThread(self._ID)
if True == runOnce:
return len(self._Collectors)
self._Server = ServerUDP.ServerUDP(self.__ListenIP,self.__ListenPort,self)
self._Server.Start()
threadName = "ConnUpdateThread:" + str(self) + ":" + str(self.__ListenPort)
ThreadManager.GetThreadManager().CreateThread(threadName,self.__sendConnectionInfoProc)
ThreadManager.GetThreadManager().StartThread(threadName)
return len(self._Collectors)
def __collectionProc(self, fnKillSignalled, userData):
if True == self._RunOnce:
self.alternateCollectionProc()
return
sleepTime = Collector.__SleepInterval
while not fnKillSignalled():
self.alternateCollectionProc()
Sleep.SleepMs(sleepTime) # small sleep
def ShuntWorkerProc(self, fnKillSignalled, userData):
from Helpers import Configuration
sleepTime = Configuration.get().GetShuntWorkerInterval()
try:
while not fnKillSignalled(
): # run until signalled to end - call passed function to check for the signal
self.__ShuntLock.acquire()
DupMap = None
try:
DupMap = self.__ShuntedDataByFile
self.__ShuntedDataByFile = {}
except Exception as Ex:
Log.getLogger().info(
"Unknown error in Shunt Worker Proc: " + str(Ex))
finally:
self.__ShuntLock.release()
if None != DupMap:
for file in DupMap.keys():
tfh, tfh_path = mkstemp(
) # create temp file, copy target file to it then do all updates and copy it
# back to original
close(tfh)
if os.path.exists(file):
copy(file, tfh_path) #copy contents to temp file
mapEntry = DupMap[file]
for shuntEntry in mapEntry:
namespace = shuntEntry[0]
ID = shuntEntry[1]
History = shuntEntry[2]
Value = shuntEntry[3]
if True == History:
self.ShuntHistory(namespace, ID, Value,
tfh_path)
else:
self.ShuntDynamicCollectorStyle(
namespace, ID, Value, tfh_path)
#all done processing this file, so copy temp file to
#real file
#Remove original file
try:
remove(file)
except Exception as Ex:
pass
#Move new file
move(tfh_path, file)
Sleep.SleepMs(sleepTime)
except Exception as Ex:
Log.getLogger().info("Unknown error in Shunt Worker Proc: " +
str(Ex))
def __SimpleWorker(self):
while not ThreadManager.GetThreadManager().AllStopSignalled():
dataBlock = self.GetItemFromSynchQueue() # get data to process
if None != dataBlock:
rawData, FromAddr = dataBlock
self.__HandleLiveData(rawData, FromAddr) # go process teh data
else: # no data to process, maybe reduce woker count
if self._GetWorkerThreadCount() > 2:
self._DecrementWorkerThreadCount()
#Log.getLogger().debug("Reducing worker threads")
return
else:
Sleep.SleepMs(10)
def __AlternateCollectionMethod(self,fnKillSignalled,runOnce):
while not fnKillSignalled():
for collector in self._Collectors:
if fnKillSignalled(): # get out of possible long loop if we are to exit
return
if not collector.IsInGroup() and not collector.IsOnDemand():
SizeOfSentData = collector.alternateCollectionProc()
if count == 0: # no data processed, sleep a bit
Sleep.SleepMs(100)
if runOnce:
return
def __SimpleWorker(self):
while not ThreadManager.GetThreadManager().AllStopSignalled():
packet = self.GetDownstreamPacket() # get data to process
if None != packet:
sendBuffer, ignoreTimeout, domNode, isGroup = packet
self._BroadcastDownstream(sendBuffer, ignoreTimeout, domNode,
isGroup)
else: # no data to process, maybe reduce woker count
if self.GetWorkerThreadCount() > 2:
self.DecrementWorkerThreadCount()
#Log.getLogger().debug("Reducing worker threads [" + str(self.GetWorkerThreadCount()) +']')
return
else:
Sleep.SleepMs(10)
def __sendConnectionInfoProc(self,fnKillSignalled,userData):
buffer = "<?xml version=\"1.0\" encoding=\"utf-8\"?>"
buffer = buffer + "<Minion Type=\"ConnectionInformation\">"
buffer = buffer + "<Version>1.0</Version>"
buffer = buffer + "<MinionVersion>" + VersionMgr.ReadVer()+ "</MinionVersion>"
buffer += "<Namespace>" + str(self) + "</Namespace>"
buffer += "<Port>" + str(self._Server.getPort()) + "</Port>"
buffer = buffer + "</Minion>"
lastUpdate = 0
while not fnKillSignalled():
if lastUpdate + Namespace.ConnectionInfoUpdateInterval < Time.GetCurrMS():
if self.SendPacket(buffer):
Log.getLogger().debug("Sent announcement to Oscar")
lastUpdate = Time.GetCurrMS()
Sleep.SleepMs(Namespace.ConnectionUpdateThreadSleepinterval) # Don't want to sleep for Namespace.ConnectionInfoUpdateInterval in case
def WorkerProc(self, fnKillSignalled, userData):
#sequentialSent = 0 - experiment to reduce CPU utilization, but I think it was a bad idea now
while not fnKillSignalled(
): # run until signalled to end - call passed function to check for the signal
if self.alternateWorker():
pass
#sequentialSent +=1
else:
Sleep.SleepMs(100) # no data to send, so rest for a while
#sequentialSent = 0
#if sequentialSent > 10:
#Sleep.SleepMs(10) # sent 10 packets without a rest, take a snooze
# sequentialSent = 0
# all done, so close things down
if None != self.m_socket:
self.m_socket.close()
def __CollectSingleRange(self,fnKillSignalled,processThreadID):
from Helpers import Configuration
count = 0
currTotal = 0
maxTx = Configuration.GetMaxTransmitBufferBeforeRest()
startTime = Time.GetCurrMS()
collectorList = self.__GetCollectorListForThreadGroup(processThreadID)
for collector in collectorList:
if fnKillSignalled(): # get out of possible long loop if we are to exit
return
if not collector.IsInGroup() and not collector.IsOnDemand():
SizeOfSentData = collector.alternateCollectionProc()
if SizeOfSentData > 0:
self.IncrementSentBytes(SizeOfSentData)
count+=1
currTotal += SizeOfSentData
if currTotal > maxTx: # don't want to overload Oscar
Sleep.SleepMs(50)
currTotal = 0
#timeTaken = Time.GetCurrMS() - startTime
#print(processThreadID +": " + str(timeTaken))
#if Namespace._LogTimePerProcessLoop and timeTaken > 0:
# Log.getLogger().debug("Process Thread: " + collectorList[0].GetProcessThreadID() + " took " + str(timeTaken) + "ms to process one loop")
#if timeTaken > Namespace._LoopTimePeriodWarningThreshold and not Namespace._LogTimePerProcessLoop :
# Log.getLogger().warning("Process Thread: " + collectorList[0].GetProcessThreadID() + " took " + str(timeTaken) + "ms to process one loop - you may want to investigate.")
#if "Default" != processThreadID:
# print(processThreadID + " Collected " + str(count) +"/" + str(len(collectorList)))
return count
def main():
parser = argparse.ArgumentParser(description='Minion Data Collector.')
parser.add_argument("-i",
"--input",
dest='argFilename',
help='specifies input file',
type=extant_file,
metavar="FILE")
parser.add_argument("-v",
"--verbose",
help="prints information, values 0-3",
type=int)
parser.add_argument("-r",
"--runonce",
help="calls all collectors once and exits",
action="store_true")
parser.add_argument(
"-a",
"--aliasfile",
help="specify an external file that has alias defintions",
type=str)
try:
args = parser.parse_args()
if None == args.verbose:
_VerboseLevel = 0
else:
_VerboseLevel = args.verbose
_RunOnce = args.runonce
except:
return
ShowVersion()
if not VersionCheck.CheckVersion():
Log.getLogger().error("Invalid version of Python")
return
if 3 <= _VerboseLevel:
Log.setLevel(logging.DEBUG)
elif 2 == _VerboseLevel:
Log.setLevel(logging.WARNING)
elif 1 == _VerboseLevel:
Log.setLevel(logging.INFO)
else:
Log.setLevel(logging.ERROR)
curr_dir_path = os.path.dirname(os.path.realpath(__file__))
Alias.AliasMgr.AddAlias("WORKING_DIR", curr_dir_path)
Alias.AliasMgr.AddEnvironmentVariables()
if None != args.aliasfile:
if not Alias.AliasMgr.LoadExternalAliasFile(args.aliasfile):
return
signal.signal(
signal.SIGINT, signal.SIG_IGN
) # turn of Ctrl+C signal handler (will get inherted by sub processes
if not os.path.exists(_ConfigFilename):
Log.getLogger().error("Config file [" + _ConfigFilename +
"] not found!")
return
config = Configuration.Configuration(_ConfigFilename, True)
if None == config or not config.IsValid():
pass
else:
print("Starting Collectors...")
totalCollectors = 0
for namespace in config.GetNamespaces():
totalCollectors += namespace.Begin(_RunOnce)
signal.signal(signal.SIGINT,
signal_handler) # make my own Ctrl+C handler now
print(str(totalCollectors) + " Collectors started.")
if False == _RunOnce:
print("Press CTRL+C to Exit")
else:
print("Running Once")
if False == _RunOnce:
while _ThreadActive:
if 0 == _VerboseLevel:
for c in spinning_cursor():
countStr = '[' + str(config.GetCollectorCount()) + '] '
sys.stdout.write(countStr)
sys.stdout.write(c)
Sleep.SleepMs(100)
sys.stdout.flush()
sys.stdout.write('\b')
for c in countStr:
sys.stdout.write('\b')
else:
Sleep.SleepMs(100)
print("Shutting down...")
try:
ThreadManager.GetThreadManager().StopAllThreads()
except:
pass
def __GovernerRest(self):
Sleep.SleepMs(self.__GovernerBackoffPeriod)
def __WorkerProc(self, fnKillSignalled, userData):
while not fnKillSignalled():
Sleep.SleepMs(250)
def __SlicedThreadProc(self,fnKillSignalled,processThreadID):
while not fnKillSignalled():
count = self.__CollectSingleRange(fnKillSignalled,processThreadID)
if 0 == count:
Sleep.SleepMs(Namespace.SleepIntervalIfNoDataCollected)
def __workerProc(self, fnKillSignalled, userData):
from Helpers import GuiMgr
self.CurrentIndex = self.startIndex
self.StartTime = None
xmlList = []
while not fnKillSignalled(
): # run until signalled to end - call passed function to check for the signal
if self.Paused or self.Stopped:
Sleep.SleepMs(100)
continue
if None == self.StartTime:
self.StartTime = int(
self.PlaybackData[self.CurrentIndex].ArrivalTime
) - 10 # can't remember why I subract 10ms...
objData = self.PlaybackData[self.CurrentIndex]
sleepVal = (int(objData.ArrivalTime) -
self.StartTime) / self.PlaybackSpeed
Sleep.SleepMs(sleepVal)
try: # when looping, this data will be here after the 1st loop
xmlData = self.PlaybackData[self.CurrentIndex].xmlData
node = self.PlaybackData[self.CurrentIndex].firstNode
except:
xmlData = objData.ToXML(
) # be more efficient if I create a list of already created xmldata
self.PlaybackData[
self.
CurrentIndex].xmlData = xmlData # LOVe how you can just add stuff to an object in Python!
if Configuration.get().GetShunting():
try:
dom = xml.dom.minidom.parseString(rawData)
node = dom._get_firstChild()
except Exception as ex:
Log.getLogger().error(
"Error Something bad in Trying to re-encode saved data"
)
else:
node = None
self.PlaybackData[self.CurrentIndex].firstNode = node
TargetManager.GetTargetManager().BroadcastDownstream(
xmlData, False, node)
GuiMgr.OnDataPacketSentDownstream(objData, "Playback")
try:
self.StartTime = int(
self.PlaybackData[self.CurrentIndex].ArrivalTime)
except Exception:
self.StartTime = None # just in case get an out of bounds error
self.CurrentIndex += 1
if None == self.endIndex:
self.endIndex = len(self.PlaybackData) - 1
if self.CurrentIndex >= self.endIndex:
preProcessingDone = True
if self.LoopMode == RepeatMode.NONE:
GuiMgr.OnStopPlayback()
if Configuration.get().GetExitAfterAutoPlay():
Log.getLogger().info(
"Playback finished, exiting application per arguments"
)
GuiMgr.Quit()
elif self.LoopMode == RepeatMode.REPEAT:
self.CurrentIndex = 0
self.LoopCount += 1
elif self.LoopMode == RepeatMode.LOOP:
self.CurrentIndex = self.startIndex
self.LoopCount += 1
self.StartTime = None