- 总览:每块板一块面板、五个刀片槽(状态灯 + DIN 读数 + 最近两分钟电流小曲线,平线 = 疑似卡死);
只有异常 / 故障 / 执行中上色;顶上一句话概况,有问题直接列出是哪几路
- 单板页:新增「底板温度」(两路 NTC + 风扇占空比,上下两块共用时间轴,10 分钟 ~ 7 天);
每路电流 / 电压去掉双 Y 轴,改上下两块,电压固定 3.5~4.1 V;名称 / 位置就地编辑
- 主题:theme.css 亮 / 暗两套变量(跟随系统,Element Plus 暗色变量同挂 html.dark),图表切换时重画;
读数用系统自带 DIN 系字体(不加载网络字体);温度两色按本页亮暗底色跑过 dataviz validate_palette.js 全通过
- 后端:board_tele_min 分钟聚合(温度带 min/max,留 90 天)+ GET /api/boards/{id}/history(Db.board_history)
- 修一个偶发失败的测试(test_ota_events_are_named_by_arg:只推一次遥测,赶上 Hub 正在同步时会漏触发);
后端 42 例本机 + 服务器全绿,已部署;线上已取到板 B 温度 24.4 / 26.0 °C
Co-Authored-By: Claude Opus 5.5 <[email protected]>
240 行
12 KiB
Python
240 行
12 KiB
Python
"""SQLite 存储(WAL)。一个文件,备份就是拷它(同门户 / evse 的做法)。
|
||
|
||
数据量估算:一块板 5 路 × 1 条/s = 43 万行/天。原始 1 s 数据只留 `RAW_KEEP_S`(2 天),
|
||
每分钟降采样一行(均值 / 最小 / 最大)留 `MIN_KEEP_S`(90 天)——
|
||
电流曲线的用途是「这台手机前天夜里是不是卡死过」,一分钟的 min/max 足够看出来。
|
||
事件、审计、恢复记录**永久保留**(量小,而且是排查的唯一线索)。
|
||
|
||
⚠️ 时间戳一律是**服务器收到的时刻**(毫秒)。板子没有墙钟(需求 §10.12:
|
||
上电从 0 计),它自己的 `t_ms` 只存在事件表的 `t_ms` 列里,作参考。
|
||
"""
|
||
import sqlite3
|
||
import threading
|
||
import time
|
||
from typing import Iterable, List, Optional, Sequence
|
||
|
||
RAW_KEEP_S = 2 * 86400
|
||
MIN_KEEP_S = 90 * 86400
|
||
|
||
SCHEMA = """
|
||
CREATE TABLE IF NOT EXISTS boards (
|
||
id TEXT PRIMARY KEY, -- STA MAC 12 位小写十六进制
|
||
name TEXT NOT NULL DEFAULT '',
|
||
location TEXT NOT NULL DEFAULT '',
|
||
fw TEXT NOT NULL DEFAULT '',
|
||
ip TEXT NOT NULL DEFAULT '',
|
||
online INTEGER NOT NULL DEFAULT 0,
|
||
last_seen INTEGER NOT NULL DEFAULT 0,
|
||
ev_cursor INTEGER NOT NULL DEFAULT 0, -- 下一条要拉的事件序号
|
||
created INTEGER NOT NULL
|
||
);
|
||
CREATE TABLE IF NOT EXISTS phones (
|
||
board_id TEXT NOT NULL,
|
||
rail INTEGER NOT NULL,
|
||
label TEXT NOT NULL DEFAULT '',
|
||
adb_addr TEXT NOT NULL DEFAULT '', -- 预留:服务器够得着手机时填 host:port
|
||
auto_recover INTEGER NOT NULL DEFAULT 0, -- 默认关:逐台打开
|
||
notes TEXT NOT NULL DEFAULT '',
|
||
PRIMARY KEY (board_id, rail)
|
||
);
|
||
CREATE TABLE IF NOT EXISTS tele (
|
||
ts INTEGER NOT NULL, board_id TEXT NOT NULL, rail INTEGER NOT NULL,
|
||
mv INTEGER, ua INTEGER, en INTEGER, vb INTEGER, pr INTEGER, pg INTEGER, flt INTEGER
|
||
);
|
||
CREATE INDEX IF NOT EXISTS tele_idx ON tele (board_id, rail, ts);
|
||
CREATE TABLE IF NOT EXISTS tele_min (
|
||
ts INTEGER NOT NULL, board_id TEXT NOT NULL, rail INTEGER NOT NULL,
|
||
mv_avg INTEGER, ua_avg INTEGER, ua_min INTEGER, ua_max INTEGER, n INTEGER,
|
||
PRIMARY KEY (board_id, rail, ts)
|
||
);
|
||
CREATE TABLE IF NOT EXISTS board_tele (
|
||
ts INTEGER NOT NULL, board_id TEXT NOT NULL,
|
||
in_mv INTEGER, in_ua INTEGER, temp0 INTEGER, temp1 INTEGER, fan_duty INTEGER
|
||
);
|
||
CREATE INDEX IF NOT EXISTS board_tele_idx ON board_tele (board_id, ts);
|
||
-- 整板遥测的分钟聚合(温度 / 风扇 / 输入),和 tele_min 一样留 90 天:「前天夜里底板多热」要看得到
|
||
CREATE TABLE IF NOT EXISTS board_tele_min (
|
||
ts INTEGER NOT NULL, board_id TEXT NOT NULL,
|
||
t0_avg INTEGER, t0_min INTEGER, t0_max INTEGER,
|
||
t1_avg INTEGER, t1_min INTEGER, t1_max INTEGER,
|
||
fan_avg INTEGER, in_mv_avg INTEGER, in_ua_avg INTEGER, n INTEGER,
|
||
PRIMARY KEY (board_id, ts)
|
||
);
|
||
CREATE TABLE IF NOT EXISTS events (
|
||
board_id TEXT NOT NULL, seq INTEGER NOT NULL,
|
||
t_ms INTEGER, rail INTEGER, type INTEGER, arg INTEGER, mv INTEGER, ua INTEGER,
|
||
received INTEGER NOT NULL,
|
||
PRIMARY KEY (board_id, seq)
|
||
);
|
||
CREATE INDEX IF NOT EXISTS events_recv_idx ON events (received);
|
||
CREATE TABLE IF NOT EXISTS audit (
|
||
id INTEGER PRIMARY KEY AUTOINCREMENT,
|
||
ts INTEGER NOT NULL, user TEXT NOT NULL, board_id TEXT NOT NULL, rail INTEGER,
|
||
request TEXT NOT NULL, response TEXT NOT NULL, ok INTEGER NOT NULL
|
||
);
|
||
CREATE TABLE IF NOT EXISTS recovery_log (
|
||
id INTEGER PRIMARY KEY AUTOINCREMENT,
|
||
ts INTEGER NOT NULL, board_id TEXT NOT NULL, rail INTEGER NOT NULL,
|
||
state TEXT NOT NULL, reason TEXT NOT NULL, detail TEXT NOT NULL DEFAULT ''
|
||
);
|
||
CREATE TABLE IF NOT EXISTS settings (
|
||
key TEXT PRIMARY KEY, value TEXT NOT NULL
|
||
);
|
||
-- 固件库(firmware.py):镜像文件本身在 --fw-dir 下,按 sha256 前 16 位命名
|
||
CREATE TABLE IF NOT EXISTS firmware (
|
||
sha256 TEXT PRIMARY KEY,
|
||
version TEXT NOT NULL,
|
||
project TEXT NOT NULL,
|
||
built TEXT NOT NULL DEFAULT '', -- 镜像头里的编译日期时间
|
||
idf TEXT NOT NULL DEFAULT '',
|
||
size INTEGER NOT NULL,
|
||
filename TEXT NOT NULL DEFAULT '',
|
||
uploaded_by TEXT NOT NULL,
|
||
uploaded INTEGER NOT NULL,
|
||
notes TEXT NOT NULL DEFAULT ''
|
||
);
|
||
"""
|
||
|
||
|
||
def now_ms() -> int:
|
||
return int(time.time() * 1000)
|
||
|
||
|
||
class Db:
|
||
"""一个连接 + 一把锁。后端是单进程(uvicorn 单 worker),写入量是每秒几十行,
|
||
不值得上连接池;锁是为了 paho 线程之外偶尔还有线程池里的查询。"""
|
||
|
||
def __init__(self, path: str):
|
||
self.path = path
|
||
self._lock = threading.Lock()
|
||
self.conn = sqlite3.connect(path, check_same_thread=False, isolation_level=None)
|
||
self.conn.row_factory = sqlite3.Row
|
||
self.conn.execute("PRAGMA journal_mode=WAL")
|
||
self.conn.execute("PRAGMA synchronous=NORMAL")
|
||
self.conn.executescript(SCHEMA)
|
||
|
||
def close(self):
|
||
with self._lock:
|
||
self.conn.close()
|
||
|
||
# ---- 通用 ----------------------------------------------------------
|
||
def q(self, sql: str, args: Sequence = ()) -> List[sqlite3.Row]:
|
||
with self._lock:
|
||
return self.conn.execute(sql, args).fetchall()
|
||
|
||
def x(self, sql: str, args: Sequence = ()) -> int:
|
||
with self._lock:
|
||
cur = self.conn.execute(sql, args)
|
||
return cur.lastrowid
|
||
|
||
def many(self, sql: str, rows: Iterable[Sequence]):
|
||
with self._lock:
|
||
self.conn.execute("BEGIN")
|
||
try:
|
||
self.conn.executemany(sql, rows)
|
||
self.conn.execute("COMMIT")
|
||
except Exception:
|
||
self.conn.execute("ROLLBACK")
|
||
raise
|
||
|
||
# ---- 板子 ----------------------------------------------------------
|
||
def ensure_board(self, board: str):
|
||
self.x("INSERT OR IGNORE INTO boards (id, created) VALUES (?, ?)", (board, now_ms()))
|
||
self.many("INSERT OR IGNORE INTO phones (board_id, rail) VALUES (?, ?)",
|
||
[(board, r) for r in range(1, 6)])
|
||
|
||
def set_board_state(self, board: str, online: bool, fw: str = None, ip: str = None):
|
||
self.ensure_board(board)
|
||
self.x("UPDATE boards SET online=?, fw=COALESCE(?, fw), ip=COALESCE(?, ip), last_seen=? "
|
||
"WHERE id=?", (1 if online else 0, fw, ip, now_ms(), board))
|
||
|
||
def setting(self, key: str, default: str) -> str:
|
||
rows = self.q("SELECT value FROM settings WHERE key=?", (key,))
|
||
return rows[0]["value"] if rows else default
|
||
|
||
def set_setting(self, key: str, value: str):
|
||
self.x("INSERT INTO settings (key, value) VALUES (?, ?) "
|
||
"ON CONFLICT(key) DO UPDATE SET value=excluded.value", (key, value))
|
||
|
||
# ---- 遥测 ----------------------------------------------------------
|
||
def downsample(self, upto_ms: Optional[int] = None) -> int:
|
||
"""把还没聚合的整分钟原始数据聚成 tele_min。幂等(主键冲突就跳过)。
|
||
只聚到 `upto_ms` 之前的**整分钟**:正在进行的这一分钟数据还不全。"""
|
||
upto = (upto_ms if upto_ms is not None else now_ms()) // 60000 * 60000
|
||
with self._lock:
|
||
row = self.conn.execute("SELECT MAX(ts) FROM tele_min").fetchone()
|
||
start = (row[0] + 60000) if row[0] is not None else 0
|
||
cur = self.conn.execute(
|
||
"INSERT OR IGNORE INTO tele_min (ts, board_id, rail, mv_avg, ua_avg, ua_min, ua_max, n) "
|
||
"SELECT ts/60000*60000 AS m, board_id, rail, CAST(AVG(mv) AS INTEGER), "
|
||
"CAST(AVG(ua) AS INTEGER), MIN(ua), MAX(ua), COUNT(*) FROM tele "
|
||
"WHERE ts >= ? AND ts < ? AND ua IS NOT NULL GROUP BY m, board_id, rail",
|
||
(start, upto))
|
||
n = cur.rowcount
|
||
row = self.conn.execute("SELECT MAX(ts) FROM board_tele_min").fetchone()
|
||
bstart = (row[0] + 60000) if row[0] is not None else 0
|
||
cur = self.conn.execute(
|
||
"INSERT OR IGNORE INTO board_tele_min (ts, board_id, t0_avg, t0_min, t0_max, t1_avg, t1_min, "
|
||
"t1_max, fan_avg, in_mv_avg, in_ua_avg, n) "
|
||
"SELECT ts/60000*60000 AS m, board_id, CAST(AVG(temp0) AS INTEGER), MIN(temp0), MAX(temp0), "
|
||
"CAST(AVG(temp1) AS INTEGER), MIN(temp1), MAX(temp1), CAST(AVG(fan_duty) AS INTEGER), "
|
||
"CAST(AVG(in_mv) AS INTEGER), CAST(AVG(in_ua) AS INTEGER), COUNT(*) FROM board_tele "
|
||
"WHERE ts >= ? AND ts < ? GROUP BY m, board_id", (bstart, upto))
|
||
return n + cur.rowcount
|
||
|
||
def prune(self, now: Optional[int] = None):
|
||
t = now if now is not None else now_ms()
|
||
with self._lock:
|
||
self.conn.execute("DELETE FROM tele WHERE ts < ?", (t - RAW_KEEP_S * 1000,))
|
||
self.conn.execute("DELETE FROM board_tele WHERE ts < ?", (t - RAW_KEEP_S * 1000,))
|
||
self.conn.execute("DELETE FROM tele_min WHERE ts < ?", (t - MIN_KEEP_S * 1000,))
|
||
self.conn.execute("DELETE FROM board_tele_min WHERE ts < ?", (t - MIN_KEEP_S * 1000,))
|
||
|
||
def history(self, board: str, rail: int, t0: int, t1: int, max_points: int = 1500) -> dict:
|
||
"""[t0, t1) 的电压电流曲线。跨度 ≤ 原始数据保留期且点数不多时回原始 1 s 数据,
|
||
否则回分钟聚合(带 min/max,界面画成带状)。点太多时按时间桶再抽一次。"""
|
||
span = max(1, t1 - t0)
|
||
raw_ok = t0 >= now_ms() - RAW_KEEP_S * 1000 and span <= 6 * 3600 * 1000
|
||
if raw_ok:
|
||
bucket = max(1000, span // max_points)
|
||
rows = self.q(
|
||
"SELECT ts/?*? AS t, CAST(AVG(mv) AS INTEGER) mv, CAST(AVG(ua) AS INTEGER) ua, "
|
||
"MIN(ua) ua_min, MAX(ua) ua_max FROM tele WHERE board_id=? AND rail=? "
|
||
"AND ts>=? AND ts<? GROUP BY t ORDER BY t", (bucket, bucket, board, rail, t0, t1))
|
||
res = "raw"
|
||
else:
|
||
bucket = max(60000, span // max_points // 60000 * 60000)
|
||
rows = self.q(
|
||
"SELECT ts/?*? AS t, CAST(AVG(mv_avg) AS INTEGER) mv, CAST(AVG(ua_avg) AS INTEGER) ua, "
|
||
"MIN(ua_min) ua_min, MAX(ua_max) ua_max FROM tele_min WHERE board_id=? AND rail=? "
|
||
"AND ts>=? AND ts<? GROUP BY t ORDER BY t", (bucket, bucket, board, rail, t0, t1))
|
||
res = "minute"
|
||
return {"resolution": res, "bucket_ms": bucket,
|
||
"points": [[r["t"], r["mv"], r["ua"], r["ua_min"], r["ua_max"]] for r in rows]}
|
||
|
||
def board_history(self, board: str, t0: int, t1: int, max_points: int = 1500) -> dict:
|
||
"""[t0, t1) 的整板曲线:两路 NTC 温度(m°C,带每桶 min/max)、风扇占空比(‰)、输入电压电流。
|
||
取数规则同 `history()`:近期短跨度回原始 1 s,否则回分钟聚合。
|
||
points:[t, t0, t0_min, t0_max, t1, t1_min, t1_max, fan, in_mv, in_ua];读不到的是 None。"""
|
||
span = max(1, t1 - t0)
|
||
raw_ok = t0 >= now_ms() - RAW_KEEP_S * 1000 and span <= 6 * 3600 * 1000
|
||
if raw_ok:
|
||
bucket = max(1000, span // max_points)
|
||
rows = self.q(
|
||
"SELECT ts/?*? AS t, CAST(AVG(temp0) AS INTEGER) a0, MIN(temp0) n0, MAX(temp0) x0, "
|
||
"CAST(AVG(temp1) AS INTEGER) a1, MIN(temp1) n1, MAX(temp1) x1, CAST(AVG(fan_duty) AS INTEGER) f, "
|
||
"CAST(AVG(in_mv) AS INTEGER) mv, CAST(AVG(in_ua) AS INTEGER) ua FROM board_tele "
|
||
"WHERE board_id=? AND ts>=? AND ts<? GROUP BY t ORDER BY t", (bucket, bucket, board, t0, t1))
|
||
res = "raw"
|
||
else:
|
||
bucket = max(60000, span // max_points // 60000 * 60000)
|
||
rows = self.q(
|
||
"SELECT ts/?*? AS t, CAST(AVG(t0_avg) AS INTEGER) a0, MIN(t0_min) n0, MAX(t0_max) x0, "
|
||
"CAST(AVG(t1_avg) AS INTEGER) a1, MIN(t1_min) n1, MAX(t1_max) x1, CAST(AVG(fan_avg) AS INTEGER) f, "
|
||
"CAST(AVG(in_mv_avg) AS INTEGER) mv, CAST(AVG(in_ua_avg) AS INTEGER) ua FROM board_tele_min "
|
||
"WHERE board_id=? AND ts>=? AND ts<? GROUP BY t ORDER BY t", (bucket, bucket, board, t0, t1))
|
||
res = "minute"
|
||
return {"resolution": res, "bucket_ms": bucket,
|
||
"points": [[r["t"], r["a0"], r["n0"], r["x0"], r["a1"], r["n1"], r["x1"], r["f"], r["mv"], r["ua"]]
|
||
for r in rows]}
|