simple metrics api to interface with collectd and grafana

owrx/metrics.py

@@ -0,0 +1,32 @@
+class Metrics(object):
+    sharedInstance = None
+
+    @staticmethod
+    def getSharedInstance():
+        if Metrics.sharedInstance is None:
+            Metrics.sharedInstance = Metrics()
+        return Metrics.sharedInstance
+
+    def __init__(self):
+        self.metrics = {}
+
+    def pushDecodes(self, band, mode, count = 1):
+        if band is None:
+            band = 'unknown'
+        else:
+            band = band.getName()
+
+        if mode is None:
+            mode = 'unknown'
+
+        if not band in self.metrics:
+            self.metrics[band] = {}
+        if not mode in self.metrics[band]:
+            self.metrics[band][mode] = {
+                "count": 0
+            }
+
+        self.metrics[band][mode]["count"] += count
+
+    def getMetrics(self):
+        return self.metrics