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fix more threading issues; add users metric

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This commit is contained in:
Jakob Ketterl 2019-09-18 15:40:23 +02:00
parent 6f983ccb6b
commit 30512e347a
3 changed files with 19 additions and 8 deletions
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8
owrx/metrics.py
View File

@ -1,3 +1,5 @@
import threading
class Metric(object): class Metric(object):
def getValue(self): def getValue(self):
return 0 return 0
@ -24,11 +26,13 @@ class DirectMetric(Metric):
class Metrics(object): class Metrics(object):
sharedInstance = None sharedInstance = None
creationLock = threading.Lock()
@staticmethod @staticmethod
def getSharedInstance(): def getSharedInstance():
if Metrics.sharedInstance is None: with Metrics.creationLock:
Metrics.sharedInstance = Metrics() if Metrics.sharedInstance is None:
Metrics.sharedInstance = Metrics()
return Metrics.sharedInstance return Metrics.sharedInstance
def __init__(self): def __init__(self):

8
owrx/source.py
View File

@ -4,6 +4,7 @@ from owrx.feature import FeatureDetector, UnknownFeatureException
from owrx.meta import MetaParser from owrx.meta import MetaParser
from owrx.wsjt import WsjtParser from owrx.wsjt import WsjtParser
from owrx.aprs import AprsParser from owrx.aprs import AprsParser
from owrx.metrics import Metrics, DirectMetric
import threading import threading
import csdr import csdr
import time import time
@ -698,15 +699,18 @@ class TooManyClientsException(Exception):
class ClientRegistry(object): class ClientRegistry(object):
sharedInstance = None sharedInstance = None
creationLock = threading.Lock()
@staticmethod @staticmethod
def getSharedInstance(): def getSharedInstance():
if ClientRegistry.sharedInstance is None: with ClientRegistry.creationLock:
ClientRegistry.sharedInstance = ClientRegistry() if ClientRegistry.sharedInstance is None:
ClientRegistry.sharedInstance = ClientRegistry()
return ClientRegistry.sharedInstance return ClientRegistry.sharedInstance
def __init__(self): def __init__(self):
self.clients = [] self.clients = []
Metrics.getSharedInstance().addMetric("openwebrx.users", DirectMetric(self.clientCount))
super().__init__() super().__init__()
def broadcast(self): def broadcast(self):

11
owrx/wsjt.py
View File

@ -38,12 +38,14 @@ class WsjtQueueWorker(threading.Thread):
class WsjtQueue(Queue): class WsjtQueue(Queue):
sharedInstance = None sharedInstance = None
creationLock = threading.Lock()
@staticmethod @staticmethod
def getSharedInstance(): def getSharedInstance():
if WsjtQueue.sharedInstance is None: with WsjtQueue.creationLock:
pm = PropertyManager.getSharedInstance() if WsjtQueue.sharedInstance is None:
WsjtQueue.sharedInstance = WsjtQueue(maxsize=pm["wsjt_queue_length"], workers=pm["wsjt_queue_workers"]) pm = PropertyManager.getSharedInstance()
WsjtQueue.sharedInstance = WsjtQueue(maxsize=pm["wsjt_queue_length"], workers=pm["wsjt_queue_workers"])
return WsjtQueue.sharedInstance return WsjtQueue.sharedInstance
def __init__(self, maxsize, workers): def __init__(self, maxsize, workers):
@ -125,7 +127,8 @@ class WsjtChopper(threading.Thread):
def _scheduleNextSwitch(self): def _scheduleNextSwitch(self):
with self.schedulerLock: with self.schedulerLock:
self.scheduler.enterabs(self.getNextDecodingTime(), 1, self.switchFiles) if self.doRun:
self.scheduler.enterabs(self.getNextDecodingTime(), 1, self.switchFiles)
def switchFiles(self): def switchFiles(self):
self.switchingLock.acquire() self.switchingLock.acquire()