def read_from_gnuradio():
logger.info('Started gnuradio listener process')
while True:
conn = backend_listener_sock.recv()
buf_in = bytearray(conn[0])
ecss_dict = {}
ret = packet.deconstruct_packet(buf_in, ecss_dict, "gnuradio")
ecss_dict = ret[0]
pickled = cPickle.dumps(ecss_dict)
if len(ecss_dict) == 0:
logger.error(
'Ecss Dictionary not properly constructed. Error occured')
continue
try:
if ecss_dict['ser_type'] == packet_settings.TC_LARGE_DATA_SERVICE:
if ecss_dict[
'ser_subtype'] <= 8: # 8 is sthe maximum service subtype corresponding to Large Data downlink
ld_downlink_socket.sendto(
pickled,
('127.0.0.1', client_settings.LD_DOWNLINK_LISTEN_PORT))
else:
ld_uplink_socket.sendto(
pickled,
('127.0.0.1', client_settings.LD_UPLINK_LISTEN_PORT))
else:
ecss_feeder_sock.sendto(
pickled,
('127.0.0.1', client_settings.ECSS_FEEDER_UDP_PORT))
except KeyError:
logger.error(
'Ecss Dictionary not properly constructed. Error occured. Key \'ser_type\' not in dictionary'
)
def decode_and_send(buf_in):
ecss_dict = {}
ret = packet.deconstruct_packet(buf_in, ecss_dict, "gnuradio")
ecss_dict = ret[0]
data = ecss_logic_utils.ecss_logic(ecss_dict)
socketio.emit('backend_msg',
data,
namespace='/control_rx',
callback=success_message_to_frontend())
def read_from_serial():
global port
global ecss_feeder_sock
global ui_listener_sock
global ld_socket
logger.info('Started serial listener process')
buf_in = bytearray(0)
while True:
try:
if port != 0:
c = port.read()
else:
logger.info('Serial port is closed')
except serial.SerialException as e:
logger.error('Could not read from serial port. Error occured')
logger.error(e)
return
if len(c) != 0:
buf_in.append(c)
if len(buf_in) == 1 and buf_in[0] != 0x7E:
buf_in = bytearray(0)
elif len(buf_in) > 1 and buf_in[len(buf_in) - 1] == 0x7E:
logger_packet = ''.join('{:02x}'.format(x) for x in buf_in)
logger.info('Received packet from serial.')
logger.debug('From serial: %s', logger_packet)
ecss_dict = {}
ret = packet.deconstruct_packet(buf_in, ecss_dict, "serial")
ecss_dict = ret[0]
pickled = cPickle.dumps(ecss_dict)
logger.debug('Sending to UDP: %s', ecss_dict)
if len(ecss_dict) == 0:
logger.error(
'Ecss Dictionary not properly constructed. Error occured'
)
continue
try:
if not ecss_dict and ecss_dict[
'ser_type'] == packet_settings.TC_LARGE_DATA_SERVICE:
ld_socket.sendto(
pickled, ('127.0.0.1',
client_settings.LD_UPLINK_LISTEN_PORT))
else:
ecss_feeder_sock.sendto(
pickled, ('127.0.0.1',
client_settings.ECSS_FEEDER_UDP_PORT))
except KeyError:
logger.error(
'Ecss Dictionary not properly constructed. Error occured. Key \'ser_type\' not in dictionary'
)
buf_in = bytearray(0)
def read_from_serial():
global port
global ecss_feeder_sock
global ui_listener_sock
global ld_socket
logger.info('Started serial listener process')
buf_in = bytearray(0)
while True:
try:
if port != 0:
c = port.read()
else:
logger.info('Serial port is closed')
except serial.SerialException as e:
logger.error('Could not read from serial port. Error occured')
logger.error(e)
return
if len(c) != 0:
buf_in.append(c)
if len(buf_in) == 1 and buf_in[0] != 0x7E:
buf_in = bytearray(0)
elif len(buf_in) > 1 and buf_in[len(buf_in) - 1] == 0x7E:
logger_packet = ''.join('{:02x}'.format(x) for x in buf_in)
logger.info('Received packet from serial.')
logger.debug('From serial: %s', logger_packet)
ecss_dict = {}
ret = packet.deconstruct_packet(buf_in, ecss_dict, "serial")
ecss_dict = ret[0]
pickled = cPickle.dumps(ecss_dict)
logger.debug('Sending to UDP: %s', ecss_dict)
if len(ecss_dict) == 0:
logger.error('Ecss Dictionary not properly constructed. Error occured')
continue
try:
if not ecss_dict and ecss_dict['ser_type'] == packet_settings.TC_LARGE_DATA_SERVICE:
ld_socket.sendto(pickled, ('127.0.0.1', client_settings.LD_UPLINK_LISTEN_PORT))
else:
ecss_feeder_sock.sendto(pickled, ('127.0.0.1', client_settings.ECSS_FEEDER_UDP_PORT))
except KeyError:
logger.error('Ecss Dictionary not properly constructed. Error occured. Key \'ser_type\' not in dictionary')
buf_in = bytearray(0)
def read_from_gnuradio():
logger.info('Started gnuradio listener process')
while True:
conn = backend_listener_sock.recv()
buf_in = bytearray(conn[0])
ecss_dict = {}
ret = packet.deconstruct_packet(buf_in, ecss_dict, "gnuradio")
ecss_dict = ret[0]
pickled = cPickle.dumps(ecss_dict)
if len(ecss_dict) == 0:
logger.error('Ecss Dictionary not properly constructed. Error occured')
continue
try:
if ecss_dict['ser_type'] == packet_settings.TC_LARGE_DATA_SERVICE:
if ecss_dict['ser_subtype'] <= 8: # 8 is sthe maximum service subtype corresponding to Large Data downlink
ld_downlink_socket.sendto(pickled, ('127.0.0.1', client_settings.LD_DOWNLINK_LISTEN_PORT))
else:
ld_uplink_socket.sendto(pickled, ('127.0.0.1', client_settings.LD_UPLINK_LISTEN_PORT))
else:
ecss_feeder_sock.sendto(pickled, ('127.0.0.1', client_settings.ECSS_FEEDER_UDP_PORT))
except KeyError:
logger.error('Ecss Dictionary not properly constructed. Error occured. Key \'ser_type\' not in dictionary')
def decode_and_send(buf_in):
ecss_dict = {}
ret = packet.deconstruct_packet(buf_in, ecss_dict, "gnuradio")
ecss_dict = ret[0]
data = ecss_logic_utils.ecss_logic(ecss_dict)
socketio.emit('backend_msg', data, namespace='/control_rx', callback=success_message_to_frontend())
