integrate pskreporter scheduling (no upload yet)

owrx/pskreporter.py

@@ -0,0 +1,46 @@
+import logging
+import threading
+import time
+import random
+from sched import scheduler
+
+logger = logging.getLogger(__name__)
+
+
+class PskReporter(object):
+    sharedInstance = None
+    creationLock = threading.Lock()
+    interval = 300
+
+    @staticmethod
+    def getSharedInstance():
+        with PskReporter.creationLock:
+            if PskReporter.sharedInstance is None:
+                PskReporter.sharedInstance = PskReporter()
+        return PskReporter.sharedInstance
+
+    def __init__(self):
+        self.spots = []
+        self.spotLock = threading.Lock()
+        self.scheduler = scheduler(time.time, time.sleep)
+        self.scheduleNextUpload()
+        threading.Thread(target=self.scheduler.run).start()
+
+    def scheduleNextUpload(self):
+        delay = PskReporter.interval + random.uniform(-30, 30)
+        logger.debug("scheduling next pskreporter upload in %f seconds", delay)
+        self.scheduler.enter(delay, 1, self.upload)
+
+    def spot(self, spot):
+        with self.spotLock:
+            self.spots.append(spot)
+
+    def upload(self):
+        with self.spotLock:
+            spots = self.spots
+            self.spots = []
+
+        if spots:
+            logger.debug("would now upload %i spots", len(spots))
+
+        self.scheduleNextUpload()