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"""RX data-quality window for max25d STATUS error=/voice= reporting."""
from __future__ import annotations
import re
import time
from collections import deque
from dataclasses import dataclass, field
from enum import Enum
from typing import Deque, Optional
_AX25_UI_LINE_RE = re.compile(
r"^\[(?:CRDOP )?AX25 UI ([^>]+)>([^\]]+)\]\s?(.*)$",
re.DOTALL,
)
_AX25_UI_PARTIAL_RE = re.compile(r"\[AX25 UI ", re.IGNORECASE)
_VOICE_NOISE_LINE_RE = re.compile(
r"^\[(?:CRDOP RX|AUDIO RX|VOICE)[^\]]*\]",
re.IGNORECASE,
)
class RxOutcome(str, Enum):
GOOD = "good"
BAD = "bad"
IGNORE = "ignore"
def classify_rx_line(line: str, callid: str) -> RxOutcome:
"""
Classify an RX display line for data-quality tracking.
- GOOD: complete AX.25 UI frame whose destination matches configured CALLID.
- BAD: incomplete AX.25 UI or wrong CALLID (incomplete data counts as error).
- IGNORE: voice/noise/interference — excluded from data pass statistics.
"""
text = line.strip()
if not text:
return RxOutcome.IGNORE
match = _AX25_UI_LINE_RE.match(text)
if match:
dest = match.group(2).strip().upper()
expected = callid.strip().upper()
if not expected or dest != expected:
return RxOutcome.BAD
return RxOutcome.GOOD
if _AX25_UI_PARTIAL_RE.search(text):
return RxOutcome.BAD
if _VOICE_NOISE_LINE_RE.match(text):
return RxOutcome.IGNORE
return RxOutcome.IGNORE
@dataclass
class _PassWindow:
good: int = 0
bad: int = 0
ignored: bool = False
started_at: float = 0.0
@dataclass
class DataQualityTracker:
"""
Rolling pass window: each pass lasts up to pass_window_sec (default 20s).
passes_required consecutive passes (default 3) form one evaluation cycle
(3 × max 20s = up to 60s). Voice/noise does not fill a pass slot.
"""
passes_required: int = 3
min_good_percent: int = 50
pass_window_sec: int = 20
passes: Deque[str] = field(default_factory=deque)
voice_activity: bool = False
current: _PassWindow = field(default_factory=_PassWindow)
def __post_init__(self) -> None:
if self.passes_required < 1:
self.passes_required = 1
if self.min_good_percent < 1:
self.min_good_percent = 1
elif self.min_good_percent > 100:
self.min_good_percent = 100
if self.pass_window_sec < 1:
self.pass_window_sec = 1
elif self.pass_window_sec > 300:
self.pass_window_sec = 300
self.passes = deque(maxlen=self.passes_required)
def _now(self, now: Optional[float]) -> float:
return time.time() if now is None else now
def _ensure_window(self, now: float) -> None:
if self.current.started_at == 0.0:
self.current.started_at = now
def _pass_outcome_from_counts(self, good: int, bad: int) -> str:
if bad > 0:
return "bad"
if good > 0:
return "good"
return "bad"
def _finalize_current_pass(self) -> None:
good = self.current.good
bad = self.current.bad
if good == 0 and bad == 0:
if self.current.ignored:
return
self.passes.append("bad")
return
self.passes.append(self._pass_outcome_from_counts(good, bad))
def _roll_window(self, now: float) -> None:
self._finalize_current_pass()
self.current = _PassWindow(started_at=now)
def tick(self, now: Optional[float] = None) -> None:
"""Expire the active pass when pass_window_sec elapsed."""
ts = self._now(now)
if self.current.started_at == 0.0:
return
if ts - self.current.started_at < self.pass_window_sec:
return
self._roll_window(ts)
def record(self, outcome: RxOutcome, now: Optional[float] = None) -> None:
ts = self._now(now)
self.tick(ts)
self._ensure_window(ts)
if outcome == RxOutcome.IGNORE:
self.voice_activity = True
self.current.ignored = True
return
if outcome == RxOutcome.GOOD:
self.current.good += 1
elif outcome == RxOutcome.BAD:
self.current.bad += 1
def record_bad(self, now: Optional[float] = None) -> None:
self.record(RxOutcome.BAD, now)
def good_ratio_percent(self) -> Optional[int]:
if len(self.passes) < self.passes_required:
return None
good = sum(1 for item in self.passes if item == "good")
total = len(self.passes)
if total == 0:
return None
return (100 * good) // total
def data_error_valid(self, *, reporting_enabled: bool) -> bool:
if not reporting_enabled:
return False
ratio = self.good_ratio_percent()
if ratio is None:
return False
return ratio >= self.min_good_percent
def voice_signal_valid(self, *, reporting_enabled: bool, link_healthy: bool) -> bool:
"""
Voice/noise/disturbance path: when link is healthy and voice activity was
seen (non-data RX), treat as 100% valid even if the content was noise only.
"""
if not reporting_enabled:
return False
if not link_healthy:
return False
if self.voice_activity:
return True
return True
def max_cycle_seconds(self) -> int:
return self.passes_required * self.pass_window_sec
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