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Diffstat (limited to 'net.lua')
| -rw-r--r-- | net.lua | 115 |
1 files changed, 115 insertions, 0 deletions
@@ -0,0 +1,115 @@ +---------------------------------------------------------- +-- Licensed under the GNU General Public License version 2 +-- * Copyright (C) 2009 Adrian C. <anrxc_sysphere_org> +---------------------------------------------------------- + +-- {{{ Grab environment +local tonumber = tonumber +local os = { time = os.time } +local io = { open = io.open } +local math = { floor = math.floor } +local helpers = require("vicious.helpers") +-- }}} + + +-- Net: provides usage statistics for all network interfaces +module("vicious.net") + + +-- Initialise function tables +local nets = {} + +-- {{{ Net widget type +function worker(format, padding) + -- Get /proc/net/dev + local f = io.open("/proc/net/dev") + local args = {} + + -- Format data + for line in f:lines() do + -- Match wmaster0 as well as rt0 (multiple leading spaces) + if line:match("^[%s]?[%s]?[%s]?[%s]?[%w]+:") then + name = line:match("^[%s]?[%s]?[%s]?[%s]?([%w]+):") + -- Received bytes, first value after the name + recv = tonumber(line:match(":[%s]*([%d]+)")) + -- Transmited bytes, 7 fields from end of the line + send = tonumber(line:match("([%d]+)%s+%d+%s+%d+%s+%d+%s+%d+%s+%d+%s+%d+%s+%d$")) + + if padding then + args["{"..name.." rx}"] = helpers.bytes_to_string(recv, nil, padding) + args["{"..name.." tx}"] = helpers.bytes_to_string(send, nil, padding) + else + args["{"..name.." rx}"] = helpers.bytes_to_string(recv) + args["{"..name.." tx}"] = helpers.bytes_to_string(send) + end + + args["{"..name.." rx_b}"] = math.floor(recv*10)/10 + args["{"..name.." tx_b}"] = math.floor(send*10)/10 + + args["{"..name.." rx_kb}"] = math.floor(recv/1024*10)/10 + args["{"..name.." tx_kb}"] = math.floor(send/1024*10)/10 + + args["{"..name.." rx_mb}"] = math.floor(recv/1024/1024*10)/10 + args["{"..name.." tx_mb}"] = math.floor(send/1024/1024*10)/10 + + args["{"..name.." rx_gb}"] = math.floor(recv/1024/1024/1024*10)/10 + args["{"..name.." tx_gb}"] = math.floor(send/1024/1024/1024*10)/10 + + if nets[name] == nil then + -- Default values on our first run + nets[name] = {} + args["{"..name.." down}"] = "n/a" + args["{"..name.." up}"] = "n/a" + + args["{"..name.." down_b}"] = 0 + args["{"..name.." up_b}"] = 0 + + args["{"..name.." down_kb}"] = 0 + args["{"..name.." up_kb}"] = 0 + + args["{"..name.." down_mb}"] = 0 + args["{"..name.." up_mb}"] = 0 + + args["{"..name.." down_gb}"] = 0 + args["{"..name.." up_gb}"] = 0 + + nets[name].time = os.time() + else + -- Net stats are absolute, substract our last reading + interval = os.time() - nets[name].time + nets[name].time = os.time() + + down = (recv - nets[name][1])/interval + up = (send - nets[name][2])/interval + + if padding then + args["{"..name.." down}"] = helpers.bytes_to_string(down, true, padding) + args["{"..name.." up}"] = helpers.bytes_to_string(up, true, padding) + else + args["{"..name.." down}"] = helpers.bytes_to_string(down, true) + args["{"..name.." up}"] = helpers.bytes_to_string(up, true) + end + + args["{"..name.." down_b}"] = math.floor(down*10)/10 + args["{"..name.." up_b}"] = math.floor(up*10)/10 + + args["{"..name.." down_kb}"] = math.floor(down/1024*10)/10 + args["{"..name.." up_kb}"] = math.floor(up/1024*10)/10 + + args["{"..name.." down_mb}"] = math.floor(down/1024/1024*10)/10 + args["{"..name.." up_mb}"] = math.floor(up/1024/1024*10)/10 + + args["{"..name.." down_gb}"] = math.floor(down/1024/1024/1024*10)/10 + args["{"..name.." up_gb}"] = math.floor(up/1024/1024/1024*10)/10 + end + + -- Store totals + nets[name][1] = recv + nets[name][2] = send + end + end + f:close() + + return args +end +-- }}} |