mirror of
https://github.com/DJ2LS/FreeDATA
synced 2024-05-14 10:04:33 +02:00
90 lines
2.5 KiB
Python
90 lines
2.5 KiB
Python
import threading
|
|
import data_frame_factory
|
|
import queue
|
|
import arq_session
|
|
|
|
class ARQSessionIRS(arq_session.ARQSession):
|
|
|
|
STATE_CONN_REQ_RECEIVED = 0
|
|
STATE_WAITING_DATA = 1
|
|
STATE_FAILED = 2
|
|
STATE_ENDED = 10
|
|
|
|
RETRIES_CONNECT = 3
|
|
RETRIES_TRANSFER = 3
|
|
|
|
TIMEOUT_DATA = 2
|
|
|
|
def __init__(self, config: dict, tx_frame_queue: queue.Queue, dxcall: str, session_id: int):
|
|
super().__init__(config, tx_frame_queue, dxcall)
|
|
|
|
self.id = session_id
|
|
|
|
self.received_data = b''
|
|
|
|
self.state = self.STATE_CONN_REQ_RECEIVED
|
|
|
|
self.event_data_received = threading.Event()
|
|
|
|
self.frame_factory = data_frame_factory.DataFrameFactory(self.config)
|
|
|
|
def generate_id(self):
|
|
pass
|
|
|
|
def log(self, message):
|
|
pass
|
|
|
|
def set_state(self, state):
|
|
self.log(f"ARQ Session {self.id} state {self.state}")
|
|
self.state = state
|
|
|
|
def set_modem_decode_modes(self, modes):
|
|
pass
|
|
|
|
def runner(self):
|
|
isWideband = True
|
|
speed = 1
|
|
version = 1
|
|
|
|
ack_frame = self.frame_factory.build_arq_session_connect_ack(isWideband, self.id, speed, version)
|
|
self.transmit_frame(ack_frame)
|
|
|
|
self.set_modem_decode_modes(None)
|
|
|
|
self.state = self.STATE_WAITING_DATA
|
|
while self.state == self.STATE_WAITING_DATA:
|
|
if not self.event_data_received.wait(self.TIMEOUT_DATA):
|
|
self.log("Timeout waiting for data")
|
|
self.state = self.STATE_FAILED
|
|
return
|
|
|
|
self.log("Finished ARQ IRS session")
|
|
|
|
def run(self):
|
|
self.thread = threading.Thread(target=self.runner, name=f"ARQ IRS Session {self.id}", daemon=True)
|
|
self.thread.run()
|
|
|
|
def on_data_received(self, data_frame):
|
|
if self.state != self.STATE_WAITING_DATA:
|
|
raise RuntimeError(f"ARQ Session: Received data while in state {self.state}")
|
|
|
|
self.event_data_received.set()
|
|
|
|
|
|
def on_transfer_ack_received(self, ack):
|
|
self.event_transfer_ack_received.set()
|
|
self.speed_level = ack['speed_level']
|
|
|
|
def on_transfer_nack_received(self, nack):
|
|
self.speed_level = nack['speed_level']
|
|
|
|
def on_disconnect_received(self):
|
|
self.abort()
|
|
|
|
def abort(self):
|
|
self.state = self.STATE_DISCONNECTED
|
|
self.event_connection_ack_received.set()
|
|
self.event_connection_ack_received.clear()
|
|
self.event_transfer_feedback.set()
|
|
self.event_transfer_feedback.clear()
|