68 lines
2.3 KiB
Lua
68 lines
2.3 KiB
Lua
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-- widget type providing name-indexed temperatures from /sys/class/hwmon
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-- Copyright (C) 2019, 2020 Alexander Koch <lynix47@gmail.com>
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-- Copyright (C) 2019 Nguyễn Gia Phong <vn.mcsinyx@gmail.com>
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--
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-- This file is part of Vicious.
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--
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-- Vicious is free software: you can redistribute it and/or modify
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-- it under the terms of the GNU General Public License as
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-- published by the Free Software Foundation, either version 2 of the
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-- License, or (at your option) any later version.
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--
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-- Vicious is distributed in the hope that it will be useful,
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-- but WITHOUT ANY WARRANTY; without even the implied warranty of
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-- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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-- GNU General Public License for more details.
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--
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-- You should have received a copy of the GNU General Public License
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-- along with Vicious. If not, see <https://www.gnu.org/licenses/>.
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-- environment
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local type = type
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local tonumber = tonumber
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local io = { open = io.open }
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local helpers = require"vicious.helpers"
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local spawn = require"vicious.spawn"
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local pathcache = {}
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local function read_sensor(path, callback)
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local f = io.open(path, "r")
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callback{ tonumber(f:read"*line") / 1000 }
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f:close()
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end
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-- hwmontemp: provides name-indexed temps from /sys/class/hwmon
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-- vicious.widgets.hwmontemp
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return helpers.setasyncall{
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async = function (format, warg, callback)
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if type(warg) ~= "table" or type(warg[1]) ~= "string" then
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return callback{}
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end
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local input = warg[2]
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if type(input) == "number" then
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input = ("temp%d_input"):format(input)
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else
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input = "temp1_input"
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end
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local sensor = warg[1]
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if pathcache[sensor] then
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read_sensor(pathcache[sensor] .. input, callback)
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else
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spawn.easy_async_with_shell(
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"grep " .. sensor .. " -wl /sys/class/hwmon/*/name",
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function (stdout, stderr, exitreason, exitcode)
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if exitreason == "exit" and exitcode == 0 then
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pathcache[sensor] = stdout:gsub("name%s+", "")
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read_sensor(pathcache[sensor] .. input, callback)
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else
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callback{}
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end
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end)
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end
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end }
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-- vim: ts=4:sw=4:expandtab
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