def start_listeners(profile):
""" Stop any currently running listeners, and startup a set of data listeners based on the supplied profile
Args:
profile (dict): A dictionary containing:
'name' (str): Profile name
'telemetry_source_type' (str): Data source type (ozimux or horus_udp)
'telemetry_source_port' (int): Data source port
'car_source_type' (str): Car Position source type (none, horus_udp or gpsd)
'car_source_port' (int): Car Position source port
"""
global data_listeners
# Stop any existing listeners.
for _thread in data_listeners:
try:
_thread.close()
except Exception as e:
logging.error("Error closing thread - %s" % str(e))
# Reset the listeners array.
data_listeners = []
# Start up a OziMux listener, if we are using one.
if profile['telemetry_source_type'] == "ozimux":
logging.info("Using OziMux data source on UDP Port %d" %
profile['telemetry_source_port'])
_ozi_listener = OziListener(telemetry_callback=ozi_listener_callback,
port=profile['telemetry_source_port'])
data_listeners.append(_ozi_listener)
# Start up UDP Broadcast Listener (which we use for car positions even if not for the payload)
# Case 1 - Both telemetry and car position sources are set to horus_udp, and have the same port set. Only start a single UDP listener
if (profile['telemetry_source_type'] == "horus_udp") and (
profile['car_source_type']
== "horus_udp") and (profile['car_source_port']
== profile['telemetry_source_port']):
# In this case, we start a single Horus UDP listener.
logging.info("Starting single Horus UDP listener on port %d" %
profile['telemetry_source_port'])
_telem_horus_udp_listener = UDPListener(
summary_callback=udp_listener_summary_callback,
gps_callback=udp_listener_car_callback,
bearing_callback=udp_listener_bearing_callback,
port=profile['telemetry_source_port'])
_telem_horus_udp_listener.start()
data_listeners.append(_telem_horus_udp_listener)
else:
if profile['telemetry_source_type'] == "horus_udp":
# Telemetry via Horus UDP - Start up a listener
logging.info("Starting Telemetry Horus UDP listener on port %d" %
profile['telemetry_source_port'])
_telem_horus_udp_listener = UDPListener(
summary_callback=udp_listener_summary_callback,
gps_callback=None,
bearing_callback=udp_listener_bearing_callback,
port=profile['telemetry_source_port'])
_telem_horus_udp_listener.start()
data_listeners.append(_telem_horus_udp_listener)
if profile['car_source_type'] == "horus_udp":
# Car Position via Horus UDP - Start up a listener
logging.info(
"Starting Car Position Horus UDP listener on port %d" %
profile['car_source_port'])
_car_horus_udp_listener = UDPListener(
summary_callback=None,
gps_callback=udp_listener_car_callback,
bearing_callback=udp_listener_bearing_callback,
port=profile['car_source_port'])
_car_horus_udp_listener.start()
data_listeners.append(_car_horus_udp_listener)
elif profile['car_source_type'] == "gpsd":
# GPSD Car Position Source
logging.info("Starting GPSD Car Position Listener.")
_gpsd_gps = GPSDAdaptor(
hostname=chasemapper_config['car_gpsd_host'],
port=chasemapper_config['car_gpsd_port'],
callback=udp_listener_car_callback)
data_listeners.append(_gpsd_gps)
elif profile['car_source_type'] == "serial":
# Serial GPS Source.
logging.info("Starting Serial GPS Listener.")
_serial_gps = SerialGPS(
serial_port=chasemapper_config['car_serial_port'],
serial_baud=chasemapper_config['car_serial_baud'],
callback=udp_listener_car_callback)
data_listeners.append(_serial_gps)
else:
# No Car position.
logging.info("No car position data source.")
def start_listeners(profile):
""" Stop any currently running listeners, and startup a set of data listeners based on the supplied profile
Args:
profile (dict): A dictionary containing:
'name' (str): Profile name
'telemetry_source_type' (str): Data source type (ozimux or horus_udp)
'telemetry_source_port' (int): Data source port
'car_source_type' (str): Car Position source type (none, horus_udp, gpsd, or station)
'car_source_port' (int): Car Position source port
'online_tracker' (str): Which online tracker to upload chase-car info to ('habitat' or 'sondehub')
"""
global data_listeners, current_profile, online_uploader, chasemapper_config
current_profile = profile
# Stop any existing listeners.
for _thread in data_listeners:
try:
_thread.close()
except Exception as e:
logging.error("Error closing thread - %s" % str(e))
# Shut-down any online uploaders
if online_uploader != None:
online_uploader.close()
online_uploader = None
# Reset the listeners array.
data_listeners = []
# Start up a new online uploader immediately if uploading is already enabled.
if chasemapper_config["habitat_upload_enabled"] == True:
if profile["online_tracker"] == "habitat":
online_uploader = HabitatChaseUploader(
update_rate=chasemapper_config["habitat_update_rate"],
callsign=chasemapper_config["habitat_call"],
)
elif profile["online_tracker"] == "sondehub":
online_uploader = SondehubChaseUploader(
update_rate=chasemapper_config["habitat_update_rate"],
callsign=chasemapper_config["habitat_call"],
)
else:
logging.error("Unknown Online Tracker %s, not starting uploader" %
(profile["online_tracker"]))
# Start up a OziMux listener, if we are using one.
if profile["telemetry_source_type"] == "ozimux":
logging.info("Using OziMux data source on UDP Port %d" %
profile["telemetry_source_port"])
_ozi_listener = OziListener(
telemetry_callback=ozi_listener_callback,
port=profile["telemetry_source_port"],
)
data_listeners.append(_ozi_listener)
# Start up UDP Broadcast Listener (which we use for car positions even if not for the payload)
# Case 1 - Both telemetry and car position sources are set to horus_udp, and have the same port set. Only start a single UDP listener
if ((profile["telemetry_source_type"] == "horus_udp")
and (profile["car_source_type"] == "horus_udp") and
(profile["car_source_port"] == profile["telemetry_source_port"])):
# In this case, we start a single Horus UDP listener.
logging.info("Starting single Horus UDP listener on port %d" %
profile["telemetry_source_port"])
_telem_horus_udp_listener = UDPListener(
summary_callback=udp_listener_summary_callback,
gps_callback=udp_listener_car_callback,
bearing_callback=udp_listener_bearing_callback,
port=profile["telemetry_source_port"],
)
_telem_horus_udp_listener.start()
data_listeners.append(_telem_horus_udp_listener)
else:
if profile["telemetry_source_type"] == "horus_udp":
# Telemetry via Horus UDP - Start up a listener
logging.info("Starting Telemetry Horus UDP listener on port %d" %
profile["telemetry_source_port"])
_telem_horus_udp_listener = UDPListener(
summary_callback=udp_listener_summary_callback,
gps_callback=None,
bearing_callback=udp_listener_bearing_callback,
port=profile["telemetry_source_port"],
)
_telem_horus_udp_listener.start()
data_listeners.append(_telem_horus_udp_listener)
if profile["car_source_type"] == "horus_udp":
# Car Position via Horus UDP - Start up a listener
logging.info(
"Starting Car Position Horus UDP listener on port %d" %
profile["car_source_port"])
_car_horus_udp_listener = UDPListener(
summary_callback=None,
gps_callback=udp_listener_car_callback,
bearing_callback=udp_listener_bearing_callback,
port=profile["car_source_port"],
)
_car_horus_udp_listener.start()
data_listeners.append(_car_horus_udp_listener)
elif profile["car_source_type"] == "gpsd":
# GPSD Car Position Source
logging.info("Starting GPSD Car Position Listener.")
_gpsd_gps = GPSDAdaptor(
hostname=chasemapper_config["car_gpsd_host"],
port=chasemapper_config["car_gpsd_port"],
callback=udp_listener_car_callback,
)
data_listeners.append(_gpsd_gps)
elif profile["car_source_type"] == "serial":
# Serial GPS Source.
logging.info("Starting Serial GPS Listener.")
_serial_gps = SerialGPS(
serial_port=chasemapper_config["car_serial_port"],
serial_baud=chasemapper_config["car_serial_baud"],
callback=udp_listener_car_callback,
)
data_listeners.append(_serial_gps)
elif profile["car_source_type"] == "station":
logging.info("Using Stationary receiver position.")
else:
# No Car position.
logging.info("No car position data source.")