function rrdargs( graph, host, plugin, plugin_instance )
- dtypes = { "signal_noise", "signal_power" }
-
- opts = { }
- opts.sources = { }
- opts.image = graph:mkpngpath( host, plugin, plugin_instance, "wireless" )
- opts.title = host .. ": WLAN Signal"
- opts.rrd = { "-v", "dBm" }
- opts.colors = {
- signal_power = '0000ff',
- signal_noise = 'ff0000'
+ --
+ -- signal/noise diagram
+ --
+ local snr = {
+
+ -- diagram title
+ title = "Signal / Noise",
+
+ -- vertical label
+ vlabel = "dBm",
+
+ -- draw this diagram for each data instance
+ per_instance = true,
+
+ -- diagram data description
+ data = {
+ types = { "signal_noise", "signal_power" },
+
+ -- special options for single data lines
+ options = {
+ signal_power = {
+ overlay = true, -- don't summarize
+ color = "0000ff" -- power is blue
+ },
+
+ signal_noise = {
+ overlay = true, -- don't summarize
+ color = "ff0000" -- noise is red
+ }
+ }
+ }
}
- for i, dtype in ipairs(dtypes) do
- opts.sources[i] = {
- name = dtype,
- rrd = graph:mkrrdpath( host, plugin, plugin_instance, dtype ),
- overlay = true -- don't summarize values
+
+ --
+ -- signal quality diagram
+ --
+ local quality = {
+
+ -- diagram title
+ title = "Signalqualitaet",
+
+ -- vertical label
+ vlabel = "n/5",
+
+ -- draw this diagram for each data instance
+ per_instance = true,
+
+ -- diagram data description
+ data = {
+ types = { "signal_quality" },
+
+ -- special options for single data lines
+ options = {
+ signal_quality = {
+ noarea = true, -- don't draw area
+ color = "0000ff" -- quality is blue
+ }
+ }
}
- end
+ }
- return opts
+ return { snr, quality }
end