Fix multiple calls to step hanging until timeout

This commit is contained in:
Lonami Exo 2024-10-17 18:53:49 +02:00
parent fe733aad97
commit c588c74c08

View File

@ -174,6 +174,7 @@ class Sender:
_next_ping: float
_read_buffer: bytearray
_write_drain_pending: bool
_step_counter: int
@classmethod
async def connect(
@ -204,6 +205,7 @@ class Sender:
_next_ping=asyncio.get_running_loop().time() + PING_DELAY,
_read_buffer=bytearray(),
_write_drain_pending=False,
_step_counter=0,
)
async def disconnect(self) -> None:
@ -235,8 +237,16 @@ class Sender:
return rx.result()
async def step(self) -> list[Updates]:
ticket_number = self._step_counter
async with self.lock:
return await self._step()
if self._step_counter == ticket_number:
# We're the one to drive IO.
self._step_counter += 1
return await self._step()
else:
# A different task drove IO.
return []
async def _step(self) -> list[Updates]:
self._try_fill_write()