🌴 Sync 2026-03-05 23:51:42

luci-app-cqustdotnet/root/usr/share/cqustdotnet/app.lua

@@ -0,0 +1,154 @@
+#!/usr/bin/lua
+
+local ucic = require('uci')
+local const = require('luci.model.cbi.cqustdotnet.api.constants')
+
+local TMP_PATH = '/tmp/etc/' .. const.LUCI_NAME
+local LOG_FILE = '/var/log/' .. const.LUCI_NAME .. '.log'
+local APP_PATH = '/usr/share/' .. const.LUCI_NAME
+
+local ucic_cursor = ucic.cursor
+local uci = ucic_cursor()
+
+---@type file|nil
+local log_file
+local function log(...)
+  -- 没有打开日志文件，尝试打开
+  if not log_file then
+    log_file = io.open(LOG_FILE, 'a')
+  end
+
+  if log_file then
+    log_file:write(os.date('%Y-%m-%d %H:%M:%S'), ': ')
+    log_file:write(...)
+    log_file:write('\n')
+    log_file:flush()
+  end
+end
+
+local function clean_log_if_too_long()
+  if log_file then
+    log_file:close()
+  end
+
+  local writable_log_file = io.open(LOG_FILE, 'rw')
+  if writable_log_file then
+    local lines_count = 0
+    for _ in writable_log_file:lines() do
+      lines_count = lines_count + 1
+
+      -- 日志大于 1000 行，清空日志
+      if lines_count > 1000 then
+        writable_log_file:write('日志文件过长，清空')
+        break
+      end
+    end
+    writable_log_file:close()
+  end
+end
+
+---
+--- 将 table 转换为 vararg（也就是 ...）。
+---@overload fun(tab:table):any
+local function unpack(tab, index)
+  index = index or 1
+  if tab[index] then
+    return tab[index], unpack(tab, index + 1)
+  end
+end
+
+---@type string|nil
+local app_enabled
+
+---
+--- 获取当前 LuCI App 启用状态，也就是总开关是否打开。
+---
+--- 参数 reload 默认为 false，当 reload 为 true 时，会重新获取状态，
+--- 否则只会获取一次状态，其后的调用都会直接返回已经获取到的状态。
+---@overload fun(): boolean
+---@param reload boolean
+---@return boolean
+local function is_app_enabled(reload)
+  if reload or app_enabled == nil then
+    app_enabled = uci:get(const.LUCI_NAME, 'config', 'enabled') or '0'
+  end
+  return app_enabled == '1'
+end
+
+---
+--- 清除与当前 LuCI App 相关的定时任务。
+local function clean_crontab()
+  local crontab_file = io.open('/etc/crontabs/root', 'rw')
+  local crontab = {}
+  for cron in crontab_file:lines('*L') do
+    if not cron:find(const.LUCI_NAME) then
+      table.insert(crontab, cron)
+    end
+  end
+  crontab_file:write(table.concat(crontab))
+  crontab_file:close()
+end
+
+local function start_crontab()
+  -- TODO: 当前没有定时任务
+  --clean_crontab()
+  if not is_app_enabled() then
+    -- TODO: 当前没有定时任务
+    --os.execute('/etc/init.d/cron restart')
+    return
+  end
+
+  os.execute(APP_PATH .. '/connector.lua >/dev/null 2>&1 &')
+
+  -- TODO: 当前没有定时任务
+  --os.execute('/etc/init.d/cron restart')
+end
+
+local function stop_crontab()
+  clean_crontab()
+  os.execute('/etc/init.d/cron restart')
+end
+
+local function start()
+  start_crontab()
+  log('进程启动完毕')
+end
+
+local function boot()
+  if is_app_enabled() then
+    start()
+  end
+end
+
+local function stop()
+  clean_log_if_too_long()
+
+  ---@language Shell Script
+  os.execute(string.format("pgrep -af '%s/' | awk '! /app\\.lua/{print $1}' | xargs kill -9 >/dev/null 2>&1", const.LUCI_NAME))
+  stop_crontab()
+  os.remove('/tmp/lock/' .. const.LUCI_NAME .. '_connector.lock')
+  log('清空并关闭相关程序和缓存完成')
+
+  os.exit(0)
+end
+
+-- 没有运行参数，退出
+if type(arg) ~= "table" then
+  return
+end
+
+local action = arg[1]
+if action == 'start' then
+  start()
+elseif action == 'stop' then
+  stop()
+elseif action == 'boot' then
+  boot()
+elseif action == 'log' then
+  -- 删掉第一个参数，也就是 action
+  local args = {}
+  for i = 2, #arg do
+    table.insert(args, arg[i])
+  end
+  log(unpack(args))
+end