add metrics for pocsag

csdr/chain/digimodes.py

@@ -45,13 +45,14 @@ class PacketDemodulator(ServiceDemodulator, DialFrequencyReceiver):
         self.parser.setDialFrequency(frequency)
 
 
-class PocsagDemodulator(ServiceDemodulator):
+class PocsagDemodulator(ServiceDemodulator, DialFrequencyReceiver):
     def __init__(self):
+        self.parser = PocsagParser()
         workers = [
             FmDemod(),
             FskDemodulator(samplesPerSymbol=40, invert=True),
             PocsagDecoder(),
-            PocsagParser(),
+            self.parser,
         ]
         super().__init__(workers)
 
@@ -61,6 +62,9 @@ class PocsagDemodulator(ServiceDemodulator):
     def getFixedAudioRate(self) -> int:
         return 48000
 
+    def setDialFrequency(self, frequency: int) -> None:
+        self.parser.setDialFrequency(frequency)
+
 
 class PskDemodulator(SecondaryDemodulator, SecondarySelectorChain):
     def __init__(self, baudRate: float):

owrx/pocsag.py

@@ -1,15 +1,37 @@
 from csdr.module import PickleModule
+from owrx.bands import Bandplan
+from owrx.metrics import Metrics, CounterMetric
 import logging
 
 logger = logging.getLogger(__name__)
 
 
 class PocsagParser(PickleModule):
+    def __init__(self):
+        self.band = None
+        super().__init__()
+
     def process(self, meta):
         try:
             if "address" in meta:
                 meta["address"] = int(meta["address"])
             meta["mode"] = "Pocsag"
+            self.pushDecode()
             return meta
         except Exception:
             logger.exception("Exception while parsing Pocsag message")
+
+    def setDialFrequency(self, freq: int) -> None:
+        self.band = Bandplan.getSharedInstance().findBand(freq)
+
+    def pushDecode(self):
+        band = "unknown"
+        if self.band is not None:
+            band = self.band.getName()
+        name = "digiham.decodes.{band}.pocsag".format(band=band)
+        metrics = Metrics.getSharedInstance()
+        metric = metrics.getMetric(name)
+        if metric is None:
+            metric = CounterMetric()
+            metrics.addMetric(name, metric)
+        metric.inc()