def __init__(self, nmea_message: NMEAMessage):
self.nmea: NMEAMessage = nmea_message
self.msg_type: AISType = AISType(nmea_message.ais_id)
self.content: dict = dict()
self.content = decode(self.nmea)
def __init__(self, nmea_message: NMEAMessage) -> None:
self.nmea: NMEAMessage = nmea_message
self.msg_type: AISType = AISType(nmea_message.ais_id)
self.content: typing.Dict = decode(self.nmea)
def decode(self) -> None:
"""Decodes the given message and extracts it's type and content.
This function potentially fails, if the message is malformed."""
self.msg_type = AISType(self.nmea.ais_id)
self.content = decode(self.nmea)
mmsidict[data['mmsi']] = data['shipname']
with open('mmsi.json', 'w') as json_file:
json.dump(
mmsidict, json_file
) #store vessel names for later use since they only get transmitted every 6 minutes
if SerialPortName != '':
try:
serial = serial.Serial(SerialPortName, SerialPortBaud, timeout=1)
except:
#kill the program - couldn't open the serial port
print("Unable to open the serial port " + SerialPortName +
" - unable to proceed - exiting")
os._exit(1)
while True:
line = serial.readline()
if line != b'':
print(line)
message = NMEAMessage(line)
data = decode(message)
handle_ais_data(data)
else:
for msg in UDPStream(DEF_RX_ADDR, DEF_RX_PORT):
#AIS data comes in from rtl-ais via UDP port
print(msg)
data = msg.decode()
#print(data)
handle_ais_data(data)
