mirror of
https://github.com/DJ2LS/FreeDATA
synced 2024-05-14 08:04:33 +00:00
37 lines
1.2 KiB
Python
37 lines
1.2 KiB
Python
|
import frame_handler
|
||
|
|
import helpers
|
||
|
|
import data_frame_factory
|
||
|
|
|
||
|
|
class PingFrameHandler(frame_handler.FrameHandler):
|
||
|
|
|
||
|
|
def follow_protocol(self):
|
||
|
|
deconstructed_frame = self.details['frame']
|
||
|
|
origin = deconstructed_frame["origin"]
|
||
|
|
|
||
|
|
# check if callsign ssid override
|
||
|
|
valid, mycallsign = helpers.check_callsign(
|
||
|
|
self.config['STATION']['mycall'],
|
||
|
|
deconstructed_frame["destination_crc"],
|
||
|
|
self.config['STATION']['ssid_list'])
|
||
|
|
|
||
|
|
if not valid:
|
||
|
|
# PING packet not for me.
|
||
|
|
self.logger.debug("[Modem] received_ping: ping not for this station.")
|
||
|
|
return
|
||
|
|
|
||
|
|
self.dxcallsign_crc = deconstructed_frame["origin_crc"]
|
||
|
|
self.dxcallsign = origin
|
||
|
|
self.logger.info(
|
||
|
|
f"[Modem] PING REQ from [{origin}] to [{mycallsign}]",
|
||
|
|
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)
|