110 lines
3.0 KiB
Lua
110 lines
3.0 KiB
Lua
local Util = require 'Util'
|
|
local Common = require 'Common'
|
|
local Geometry = require 'Geometry'
|
|
local func = require 'func'
|
|
|
|
return function(update_freq)
|
|
local PLOT_SEC_BREAK = 20
|
|
local PLOT_HEIGHT = 56
|
|
|
|
local get_interfaces = function()
|
|
local s = Util.execute_cmd('realpath /sys/class/net/* | grep -v virtual')
|
|
local interfaces = {}
|
|
for iface in string.gmatch(s, '/([^/\n]+)\n') do
|
|
interfaces[#interfaces + 1] = iface
|
|
end
|
|
return interfaces
|
|
end
|
|
|
|
local INTERFACES = get_interfaces()
|
|
|
|
local INTERFACE_PATHS = func.map(
|
|
function(s)
|
|
local dir = string.format('/sys/class/net/%s/statistics/', s)
|
|
return {rx = dir..'rx_bytes', tx = dir..'tx_bytes'}
|
|
end,
|
|
INTERFACES
|
|
)
|
|
|
|
local get_bits = function(path)
|
|
return Util.read_file(path, nil, '*n') * 8
|
|
end
|
|
|
|
local read_interfaces = function()
|
|
local rx = 0
|
|
local tx = 0
|
|
for i = 1, #INTERFACE_PATHS do
|
|
local p = INTERFACE_PATHS[i]
|
|
rx = rx + get_bits(p.rx)
|
|
tx = tx + get_bits(p.tx)
|
|
end
|
|
return rx, tx
|
|
end
|
|
|
|
local init_rx_bits, init_tx_bits = read_interfaces()
|
|
|
|
local value_format_function = function(bits)
|
|
local unit, value = Util.convert_data_val(bits)
|
|
return Util.precision_round_to_string(value, 3)..' '..unit..'b/s'
|
|
end
|
|
|
|
local build_plot = function(y, label, init)
|
|
return Common.build_rate_timeseries(
|
|
Geometry.CENTER_RIGHT_X,
|
|
y,
|
|
Geometry.SECTION_WIDTH,
|
|
PLOT_HEIGHT,
|
|
value_format_function,
|
|
Common.converted_y_label_format_generator('b'),
|
|
PLOT_SEC_BREAK,
|
|
label,
|
|
2,
|
|
update_freq,
|
|
init
|
|
)
|
|
end
|
|
|
|
-----------------------------------------------------------------------------
|
|
-- header
|
|
|
|
local header = Common.Header(
|
|
Geometry.CENTER_RIGHT_X,
|
|
Geometry.TOP_Y,
|
|
Geometry.SECTION_WIDTH,
|
|
'NETWORK'
|
|
)
|
|
|
|
-----------------------------------------------------------------------------
|
|
-- download plot
|
|
|
|
local rx = build_plot(header.bottom_y, 'Download', init_rx_bits)
|
|
|
|
-----------------------------------------------------------------------------
|
|
-- upload plot
|
|
|
|
local TX_Y = header.bottom_y + PLOT_HEIGHT + PLOT_SEC_BREAK * 2
|
|
local tx = build_plot(TX_Y, 'Upload', init_tx_bits)
|
|
|
|
-----------------------------------------------------------------------------
|
|
-- main drawing functions
|
|
|
|
local update = function()
|
|
local rx_bits, tx_bits = read_interfaces()
|
|
Common.update_rate_timeseries(rx, rx_bits)
|
|
Common.update_rate_timeseries(tx, tx_bits)
|
|
end
|
|
|
|
local draw_static = function(cr)
|
|
Common.drawHeader(cr, header)
|
|
Common.annotated_scale_plot_draw_static(rx, cr)
|
|
Common.annotated_scale_plot_draw_static(tx, cr)
|
|
end
|
|
|
|
local draw_dynamic = function(cr)
|
|
Common.annotated_scale_plot_draw_dynamic(rx, cr)
|
|
Common.annotated_scale_plot_draw_dynamic(tx, cr)
|
|
end
|
|
|
|
return {static = draw_static, dynamic = draw_dynamic, update = update}
|
|
end
|