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"""
Structured stderr logging for max25d — human- and machine-readable lines.
Format:
max25d [LEVEL] [area] message
max25d [LEVEL] [area] [device] message
Levels: INFO, OK, WARN, ERROR, EVENT, RECOVERY
"""
from __future__ import annotations
import sys
from dataclasses import dataclass
from typing import Callable, Optional
PREFIX = "max25d"
DEVICE_TOKENS = ("tnc2c", "pktnc2", "tmodem", "max25e0", "max25e0:bc0", "max25e0:bc1", "baycom-kiss", "soft-crdop")
@dataclass(frozen=True)
class DeviceSummary:
device_id: str
backend: str
hardware: str
serial: str
enabled: bool
tested: bool
class DaemonLogger:
"""Thread-safe enough for max25d (GIL); all lines go to stderr."""
def __init__(self, emit: Optional[Callable[[str], None]] = None) -> None:
self._emit = emit or self._default_emit
@staticmethod
def _default_emit(line: str) -> None:
print(line, file=sys.stderr, flush=True)
def _line(
self,
level: str,
msg: str,
*,
area: str = "",
device: str = "",
) -> None:
parts = [PREFIX, f"[{level}]"]
if area:
parts.append(f"[{area}]")
if device:
parts.append(f"[{device}]")
parts.append(msg)
self._emit(" ".join(parts))
def info(self, msg: str, *, area: str = "", device: str = "") -> None:
self._line("INFO", msg, area=area, device=device)
def ok(self, msg: str, *, area: str = "", device: str = "") -> None:
self._line("OK", msg, area=area, device=device)
def warn(self, msg: str, *, area: str = "", device: str = "") -> None:
self._line("WARN", msg, area=area, device=device)
def error(self, msg: str, *, area: str = "", device: str = "") -> None:
self._line("ERROR", msg, area=area, device=device)
def event(self, msg: str, *, area: str = "", device: str = "") -> None:
self._line("EVENT", msg, area=area, device=device)
def recovery(self, msg: str, *, device: str = "") -> None:
self._line("RECOVERY", msg, area="serial", device=device)
def _parse_device_prefix(self, text: str) -> tuple[str, str]:
head, sep, tail = text.partition(":")
if sep and head in DEVICE_TOKENS:
return head, tail.strip()
device = ""
for token in DEVICE_TOKENS:
if f"({token})" in text or f" {token})" in text:
device = token
break
return device, text
def emit_unstructured(self, msg: str) -> None:
"""Map legacy free-form strings to structured levels."""
device, text = self._parse_device_prefix(msg.strip())
lower = text.lower()
if lower.startswith("warning:"):
self.warn(text[8:].strip(), device=device)
elif lower.startswith("recovery:"):
self.recovery(text[9:].strip(), device=device)
elif " prep ok" in lower or lower.startswith("ok:"):
self.ok(text, device=device)
elif any(x in lower for x in ("failed", "error", "fail:")):
self.error(text, device=device)
elif lower.startswith("serial watch:"):
self.info(text, area="watch", device=device)
elif lower.startswith("serial "):
self.info(text, area="serial", device=device)
elif lower.startswith("stack "):
self.info(text, area="stack", device=device)
elif lower.startswith("rx ") or lower.startswith("tx "):
self.event(text, device=device)
else:
self.info(text, device=device)
def banner(self, title: str) -> None:
self._emit(f"{PREFIX} === {title} ===")
def section(self, name: str) -> None:
self._emit(f"{PREFIX} [{name}]")
def kv(self, key: str, value: str, *, indent: int = 0) -> None:
pad = " " * indent
self._emit(f"{PREFIX} {pad}{key}={value}")
LOGGER = DaemonLogger()
def device_serial_label(dev) -> str:
"""Human-readable serial/KISS path for startup summary."""
spec = (dev.device_spec or dev.serial_device or "").strip()
if dev.backend_type == "kiss-serial":
baud = dev.serial_baud or "?"
line = (dev.serial_line or "?").upper()
dtr = dev.serial_dtr_rts or "default"
kiss = dev.serial_kiss_entry or "default"
path = spec or dev.serial_device or "?"
return f"{path} {baud} {line} dtr={dtr} kiss_entry={kiss}"
if dev.backend_type == "baycom-kiss":
return f"baycom:{dev.baycom_modem or 'a'} kiss={dev.kiss_link or '?'}"
if dev.backend_type == "crdop-tcp":
host = dev.crdop_host or "127.0.0.1"
port = dev.crdop_port or "?"
return f"crdop-tcp {host}:{port}"
if spec:
return spec
return dev.backend_type or "auto"
def emit_startup_banner(
*,
config_path: Optional[str],
cfg,
devices: list,
tested_fn: Callable[[str], bool],
) -> None:
LOGGER.banner("MAX25d starting")
LOGGER.section("config")
if config_path:
LOGGER.kv("ini", config_path, indent=1)
else:
LOGGER.kv("ini", "(built-in defaults)", indent=1)
LOGGER.kv("mode", cfg.mode, indent=1)
LOGGER.kv("default_device", cfg.default_device or cfg.device, indent=1)
LOGGER.kv("devices", str(len(devices)), indent=1)
LOGGER.section("network")
LOGGER.kv("tcp", f"{cfg.tcp_host}:{cfg.tcp_port}", indent=1)
LOGGER.kv("unix", cfg.unix_socket or "(disabled)", indent=1)
if cfg.tcp_password:
LOGGER.kv("tcp_auth", "enabled", indent=1)
else:
LOGGER.warn("TCP has no password — set tcp_password before exposing LAN", area="security")
LOGGER.section("modem")
LOGGER.kv("callerid", cfg.callerid, indent=1)
LOGGER.kv("callid", cfg.callid, indent=1)
LOGGER.kv("ax25_ui", "yes" if cfg.ax25_ui else "no", indent=1)
if cfg.bans_file:
LOGGER.kv("bans_file", cfg.bans_file, indent=1)
LOGGER.section("stack")
LOGGER.kv("auto_start", "yes" if cfg.auto_start else "no", indent=1)
LOGGER.kv("serial_enabled", "yes" if cfg.serial_enabled else "no", indent=1)
LOGGER.kv("stack_recover_only", "yes" if cfg.stack_recover_only else "no", indent=1)
LOGGER.kv("serial_watch", "yes" if cfg.serial_watch else "no", indent=1)
if cfg.serial_watch:
LOGGER.kv("serial_watch_interval", f"{cfg.serial_watch_interval}s", indent=1)
LOGGER.kv("serial_watch_startup_grace", f"{cfg.serial_watch_startup_grace}s", indent=1)
LOGGER.kv("serial_bootwait_escalate", "yes" if cfg.serial_bootwait_escalate else "no", indent=1)
LOGGER.section("session")
LOGGER.kv(
"detach",
"max25d --session tmux | max25d-session start/attach/stop",
indent=1,
)
LOGGER.section("devices")
for dev in devices:
if not dev.enabled:
LOGGER.kv(
dev.device_id,
f"disabled backend={dev.backend_type or 'auto'}",
indent=1,
)
continue
serial = device_serial_label(dev)
hw = dev.hardware or cfg.hardware
tested = tested_fn(dev.device_id)
note = "" if tested else " — not hardware-validated in CI"
LOGGER.kv(
dev.device_id,
f"{hw} {serial}{note}",
indent=1,
)
if not tested and dev.backend_type == "kiss-serial":
LOGGER.warn(
"RF path not CI-validated — verify on hardware before production",
area="devices",
device=dev.device_id,
)
def emit_startup_complete(
*,
device_lines: list[tuple[str, str, str]],
tcp_host: str,
tcp_port: int,
unix_socket: str,
) -> None:
LOGGER.banner("MAX25d ready")
LOGGER.section("listen")
LOGGER.kv("tcp", f"{tcp_host}:{tcp_port}", indent=1)
LOGGER.kv("unix", unix_socket or "(disabled)", indent=1)
if device_lines:
LOGGER.section("device_status")
for dev_id, stack_st, link_st in device_lines:
LOGGER.kv(dev_id, f"stack={stack_st} link={link_st}", indent=1)
LOGGER.info(
"attach: max25-terminal -U /run/max25/modem.sock | "
"detach session: max25d-session attach",
area="operator",
)
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