diff options
author | Adrian C. (anrxc) <anrxc@sysphere.org> | 2009-07-29 17:59:32 +0200 |
---|---|---|
committer | Adrian C. (anrxc) <anrxc@sysphere.org> | 2009-07-29 17:59:32 +0200 |
commit | 98e26ee0436822b00d4a6e707d86cf33d24bc00f (patch) | |
tree | a2a77a85453835d6235b9a4ee8a4044433c37151 /dio.lua | |
download | vicious-legacy-98e26ee0436822b00d4a6e707d86cf33d24bc00f.tar.xz |
Import of vicious source tree.v1.0.0
Vicious is a modular widget library for 'awesome' window manager,
derived from the 'Wicked' widget library.
Summary of changes:
* Original wicked code modularized
* Widgets ported from Wicked:
- CPU, MEM, FS, NET, Date, Uptime, MPD
* CPU widget rewritten, uses pattern matching
* MEM widget rewritten, uses pattern matching
- Swap widget merged with MEM widget type
* FS widget rewritten, uses pattern matching
- Also fixed padding in the process
* NET widget rewritten, uses pattern matching
* MPD widget rewritten, a bit more versatile
* Removed deprecated helper functions
* Widgets written for Vicious:
- Thermal, Battery, Mbox, OrgMode, Volume, Entropy,
Disk I/O, System Load, Wireless, Pacman, Maildir
Diffstat (limited to 'dio.lua')
-rw-r--r-- | dio.lua | 73 |
1 files changed, 73 insertions, 0 deletions
@@ -0,0 +1,73 @@ +---------------------------------------------------------- +-- Licensed under the GNU General Public License version 2 +-- * Copyright (C) 2009 Adrian C. <anrxc_sysphere_org> +---------------------------------------------------------- + +-- {{{ Grab environment +local type = type +local ipairs = ipairs +local io = { open = io.open } +local math = { floor = math.floor } +local table = { insert = table.insert } +-- }}} + + +-- Disk I/O: provides I/O statistics for requsted storage devices +module("vicious.dio") + + +-- Initialise function tables +local disk_usage = {} +local disk_total = {} + +-- {{{ Disk I/O widget type +function worker(format, disk) + -- Get /proc/diskstats + local f = io.open("/proc/diskstats") + local disk_lines = {} + + -- Format data + for line in f:lines() do + if line:match("("..disk..")%s") then + -- Todo: find a way to do this + --for stat in line:gmatch("%s([%d]+)") do + -- table.insert(disk_lines, stat) + --end + -- + -- Skip first two matches + local stat = line:gmatch("%s([%d]+)") + stat() + stat() + -- Store the rest + for i = 1, 11 do + table.insert(disk_lines, stat()) + end + end + end + f:close() + + -- Ensure tables are initialized correctly + while #disk_total < #disk_lines do + table.insert(disk_total, 0) + end + + -- Setup tables + local diff_total = {} + + for i, v in ipairs(disk_lines) do + -- Diskstats are absolute, substract our last reading + diff_total[i] = v - disk_total[i] + + -- Store totals + disk_total[i] = v + end + + -- Calculate I/O + disk_usage["{raw}"] = diff_total[7] + diff_total[3] + -- Divide "sectors read" by 2 and 1024 to get KB and MB + disk_usage["{kb}"] = math.floor(diff_total[7] + diff_total[3])/2 + disk_usage["{mb}"] = math.floor(diff_total[7] + diff_total[3])/1024 + + return disk_usage +end +-- }}} |