mirror of
https://github.com/DJ2LS/FreeDATA
synced 2024-05-14 08:04:33 +00:00
41 lines
No EOL
1.2 KiB
Python
41 lines
No EOL
1.2 KiB
Python
import frame_handler
|
|
import helpers
|
|
import data_frame_factory
|
|
|
|
class PingFrameHandler(frame_handler.FrameHandler):
|
|
|
|
def is_frame_for_me(self):
|
|
call_with_ssid = self.config['STATION']['mycall'] + "-" + str(self.config['STATION']['myssid'])
|
|
valid, mycallsign = helpers.check_callsign(
|
|
call_with_ssid,
|
|
self.details["frame"]["destination_crc"],
|
|
self.config['STATION']['ssid_list'])
|
|
|
|
if not valid:
|
|
ft = self.details['frame']['frame_type']
|
|
self.logger.info(f"[Modem] {ft} received but not for us.")
|
|
|
|
return valid
|
|
|
|
def should_respond(self):
|
|
return self.is_frame_for_me()
|
|
|
|
def follow_protocol(self):
|
|
|
|
if not self.should_respond():
|
|
return
|
|
|
|
self.logger.debug(
|
|
f"[Modem] Responding to request from [{self.details['frame']['origin']}]",
|
|
snr=self.details['snr'],
|
|
)
|
|
|
|
self.send_ack()
|
|
|
|
def send_ack(self):
|
|
factory = data_frame_factory.DataFrameFactory(self.config)
|
|
ping_ack_frame = factory.build_ping_ack(
|
|
self.details['frame']['origin_crc'],
|
|
self.details['snr']
|
|
)
|
|
self.transmit(ping_ack_frame) |