mirror of
https://github.com/jkingsman/Remote-Terminal-for-MeshCore.git
synced 2026-03-28 17:43:05 +01:00
44 lines
1.2 KiB
Python
44 lines
1.2 KiB
Python
"""Shared pending ACK tracking for outgoing direct messages."""
|
|
|
|
import logging
|
|
import time
|
|
|
|
logger = logging.getLogger(__name__)
|
|
|
|
PendingAck = tuple[int, float, int]
|
|
|
|
_pending_acks: dict[str, PendingAck] = {}
|
|
|
|
|
|
def track_pending_ack(expected_ack: str, message_id: int, timeout_ms: int) -> None:
|
|
"""Track an expected ACK code for an outgoing direct message."""
|
|
_pending_acks[expected_ack] = (message_id, time.time(), timeout_ms)
|
|
logger.debug(
|
|
"Tracking pending ACK %s for message %d (timeout %dms)",
|
|
expected_ack,
|
|
message_id,
|
|
timeout_ms,
|
|
)
|
|
|
|
|
|
def cleanup_expired_acks() -> None:
|
|
"""Remove stale pending ACK entries."""
|
|
now = time.time()
|
|
expired_codes = [
|
|
code
|
|
for code, (_message_id, created_at, timeout_ms) in _pending_acks.items()
|
|
if now - created_at > (timeout_ms / 1000) * 2
|
|
]
|
|
for code in expired_codes:
|
|
del _pending_acks[code]
|
|
logger.debug("Expired pending ACK %s", code)
|
|
|
|
|
|
def pop_pending_ack(ack_code: str) -> int | None:
|
|
"""Claim the tracked message ID for an ACK code if present."""
|
|
pending = _pending_acks.pop(ack_code, None)
|
|
if pending is None:
|
|
return None
|
|
message_id, _, _ = pending
|
|
return message_id
|