class Service(Daemon):
def __init__(self):
self.cls = super().__init__()
self.breathe = Breathe()
def run(self):
self.breathe.start()
def shutdown(self):
self.breathe.stop()
self.cls.stop()
def loop(self, interval: int = 60):
from breathe import Breathe
sleep_indicator = Breathe()
while True:
pycom.rgbled(0x001100)
data = self.prepare_data()
print(json.dumps(data))
# send data to Cumulocity
try:
print("** sending measurements ...")
self.c8y.measurement(data)
except Exception as e:
pycom.rgbled(0x110000)
print("!! error sending data to backend: " + repr(e))
time.sleep(2)
else:
pycom.rgbled(0x001100)
# send data certificate (UPP) to UBIRCH
try:
print("** sending measurement certificate ...")
(response, r) = self.ubirch.send(data)
except Exception as e:
pycom.rgbled(0x440000)
print("!! response: verification failed: {}".format(e))
time.sleep(2)
else:
if r.status_code != 202:
pycom.rgbled(0x550000)
print("!! request failed with {}: {}".format(
r.status_code, r.content.decode()))
time.sleep(2)
else:
print(response)
if isinstance(response, dict):
interval = response.get("i", interval)
# everything okay
pycom.rgbled(0x004400)
print("** done")
sleep_indicator.start()
time.sleep(interval)
sleep_indicator.stop()