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-- statusd_inet_addr.lua
--
-- Copyright (c) Relu Patrascu 2004.
--
-- Ion is free software; you can redistribute it and/or modify it under
-- the terms of the GNU Lesser General Public License as published by
-- the Free Software Foundation; either version 2.1 of the License, or
-- (at your option) any later version.
--
-- Nov. 5, 2004
-- Disclaimer
-- Neither am I a lua expert nor do I have the time to invest in writing
-- better code here. I simply needed this utility and it works OK for me.
-- I give no guarantees of any kind for this code. Suggestions for
-- improvement are welcome.
-- ikoflexer at gmail dot com
local settings={
interval=10*1000,
}
local function get_iface_proc()
local st, en, iface
local f=io.open('/proc/net/wireless', 'r')
if not f then
return ""
end
-- first 2 lines -- headers
local s=f:read('*l')
s=f:read('*l')
-- the third line has wifi info
s=f:read('*l')
if not s then
f=io.open('/proc/net/dev', 'r')
if not f then
return "net off"
end
-- first 2 lines -- headers, next line check for lo
s=f:read('*l')
s=f:read('*l')
s=f:read('*l')
st, en, iface = string.find(s, '(%w+:)')
if iface == 'lo:' then
s=f:read('*l')
end
if not s then
return "net off"
end
st, en, iface = string.find(s, '(%w+:)')
f:close()
return tostring(iface)
end
st, en, iface = string.find(s, '(%w+:)')
f:close()
return tostring(iface)
end
local function get_inet_addr_ifcfg()
local inet_addr
local st,en,iface = string.find(tostring(get_iface_proc()), '(%w+):')
local f = io.popen("ifconfig " .. iface)
if not f then
inet_addr=""
else
local ifconfig_info = f:read('*a')
st,en,inet_addr = string.find(ifconfig_info, 'inet addr:(%d+\.%d+\.%d+\.%d+)')
if not inet_addr then
inet_addr=""
end
end
return tostring(" " .. inet_addr)
end
local function get_inet_addr_fn()
return get_inet_addr_ifcfg
end
local get_inet_addr, inet_addr_timer
local function update_inet_addr()
statusd.inform("inet_addr", get_inet_addr())
inet_addr_timer:set(settings.interval, update_inet_addr)
end
-- Init
get_inet_addr=get_inet_addr_fn()
inet_addr_timer=statusd.create_timer()
update_inet_addr()
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