def string_to_message(raw_string, reference_date):
global receivers
try:
message = parse(raw_string, reference_date)
except NotImplementedError as e:
app.logger.error(
"No parser implemented for message: {}".format(raw_string))
return None
except ParseError as e:
app.logger.error("Parsing error with message: {}".format(raw_string))
return None
except TypeError as e:
app.logger.error("TypeError with message: {}".format(raw_string))
return None
except Exception as e:
app.logger.error("Other Exception with string: {}".format(raw_string))
return None
# update reference receivers and distance to the receiver
if message["aprs_type"] == "position":
if message[
"beacon_type"] in AIRCRAFT_BEACON_TYPES + RECEIVER_BEACON_TYPES:
latitude = message["latitude"]
longitude = message["longitude"]
location = Location(longitude, latitude)
message["location"] = location.to_wkt()
location_mgrs = myMGRS.toMGRS(latitude, longitude).decode("utf-8")
message["location_mgrs"] = location_mgrs
message["location_mgrs_short"] = location_mgrs[
0:5] + location_mgrs[5:7] + location_mgrs[10:12]
if message[
"beacon_type"] in AIRCRAFT_BEACON_TYPES and "gps_quality" in message:
if message["gps_quality"] is not None and "horizontal" in message[
"gps_quality"]:
message["gps_quality_horizontal"] = message["gps_quality"][
"horizontal"]
message["gps_quality_vertical"] = message["gps_quality"][
"vertical"]
del message["gps_quality"]
# TODO: Fix python-ogn-client 0.91
if "senders_messages" in message and message[
"senders_messages"] is not None:
message["senders_messages"] = int(message["senders_messages"])
if "good_senders" in message and message["good_senders"] is not None:
message["good_senders"] = int(message["good_senders"])
if "good_and_bad_senders" in message and message[
"good_and_bad_senders"] is not None:
message["good_and_bad_senders"] = int(message["good_and_bad_senders"])
return message
def add(self, raw_string):
try:
message = parse(raw_string,
reference_timestamp=self.reference_timestamp)
except NotImplementedError as e:
current_app.logger.error(
"No parser implemented for message: {}".format(raw_string))
return
except ParseError as e:
current_app.logger.error(
"Parsing error with message: {}".format(raw_string))
return
except TypeError as e:
current_app.logger.error(
"TypeError with message: {}".format(raw_string))
return
except Exception as e:
current_app.logger.error(
"Other Exception with string: {}".format(raw_string))
return
if message['aprs_type'] not in ('server', 'position'):
return
elif message[
'aprs_type'] == 'server' and self.auto_update_timestamp is True:
self.reference_timestamp = message['timestamp']
return
elif message['aprs_type'] == 'position':
latitude = message["latitude"]
longitude = message["longitude"]
location = Location(longitude, latitude)
message["location"] = location.to_wkt()
location_mgrs = self.mgrs.toMGRS(latitude,
longitude).decode("utf-8")
message["location_mgrs"] = location_mgrs
message["location_mgrs_short"] = location_mgrs[
0:5] + location_mgrs[5:7] + location_mgrs[10:12]
if "aircraft_type" in message:
message["aircraft_type"] = AircraftType(
message["aircraft_type"]
).name if message["aircraft_type"] in AircraftType.list(
) else AircraftType.UNKNOWN.name
if "gps_quality" in message:
if message[
"gps_quality"] is not None and "horizontal" in message[
"gps_quality"]:
message["gps_quality_horizontal"] = message["gps_quality"][
"horizontal"]
message["gps_quality_vertical"] = message["gps_quality"][
"vertical"]
del message["gps_quality"]
if message["beacon_type"] in RECEIVER_BEACON_TYPES:
complete_message = ",".join([
str(message[k])
if k in message and message[k] is not None else "\\N"
for k in BEACON_KEY_FIELDS + RECEIVER_BEACON_FIELDS
])
self.receiver_buffer.write(complete_message)
self.receiver_buffer.write("\n")
elif message["beacon_type"] in AIRCRAFT_BEACON_TYPES:
complete_message = ",".join([
str(message[k])
if k in message and message[k] is not None else "\\N"
for k in BEACON_KEY_FIELDS + AIRCRAFT_BEACON_FIELDS
])
self.aircraft_buffer.write(complete_message)
self.aircraft_buffer.write("\n")
else:
current_app.logger.error("Ignore beacon_type: {}".format(
message["beacon_type"]))
return
if datetime.utcnow() - self.last_flush >= timedelta(seconds=5):
self._flush()
self.last_flush = datetime.utcnow()