61 lines
1.5 KiB
Lua
61 lines
1.5 KiB
Lua
-----------------------------------------------------
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-- Licensed under the GNU General Public License v2
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-- * (c) 2010, Hagen Schink <troja84@googlemail.com>
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-----------------------------------------------------
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-- {{{ Grab environment
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local io = { open = io.open }
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local setmetatable = setmetatable
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local string = {
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len = string.len,
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sub = string.sub,
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match = string.match,
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gmatch = string.gmatch
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}
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-- }}}
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-- Raid: provides state information for a requested RAID array
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-- vicious.widgets.raid
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local raid = {}
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-- Initialize function tables
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local mddev = {}
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-- {{{ RAID widget type
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local function worker(format, warg)
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if not warg then return end
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mddev[warg] = {
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["found"] = false,
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["active"] = 0,
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["assigned"] = 0
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}
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-- Linux manual page: md(4)
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local f = io.open("/proc/mdstat")
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for line in f:lines() do
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if mddev[warg]["found"] then
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local updev = string.match(line, "%[[_U]+%]")
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for i in string.gmatch(updev, "U") do
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mddev[warg]["active"] = mddev[warg]["active"] + 1
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end
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break
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elseif string.sub(line, 1, string.len(warg)) == warg then
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mddev[warg]["found"] = true
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for i in string.gmatch(line, "%[[%d]%]") do
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mddev[warg]["assigned"] = mddev[warg]["assigned"] + 1
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end
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end
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end
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f:close()
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return {mddev[warg]["assigned"], mddev[warg]["active"]}
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end
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-- }}}
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return setmetatable(raid, { __call = function(_, ...) return worker(...) end })
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