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https://github.com/henrygd/beszel.git
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24792aa24f
- Info.WiFi uses json "wf" with omitempty so systems without Wi-Fi no longer store/broadcast "wifi":null - move osascript exec into wifi_darwin.go; drop unused commandRunner - share strongest-connection logic between table cell and sorting - trim agent/wifi README
47 lines
1.3 KiB
Go
47 lines
1.3 KiB
Go
// Package wifi collects only currently associated station interfaces. Collection
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// failures are empty snapshots, never cached connected state.
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package wifi
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import (
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"context"
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"math"
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"time"
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"unicode/utf8"
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"github.com/henrygd/beszel/internal/entities/system"
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)
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// validSSID omits non-UTF-8 SSIDs: 802.11 permits arbitrary octets, but CBOR
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// text strings require UTF-8. Metadata must never invalidate the whole response.
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func validSSID(ssid string) string {
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if !utf8.ValidString(ssid) {
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return ""
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}
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return ssid
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}
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// Collect uses a single deadline across interface queries where supported.
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// Unsupported platforms and denied association access produce no readings;
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// later polls retry.
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func Collect() map[string]system.WiFi {
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ctx, cancel := context.WithTimeout(context.Background(), 2*time.Second)
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defer cancel()
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return collect(ctx)
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}
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// Signals reduces a snapshot to the RSSI values stored in stats history.
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// Interfaces without an available reading are omitted.
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func Signals(snapshot map[string]system.WiFi) map[string]int8 {
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var signals map[string]int8
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for id, reading := range snapshot {
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if reading.Signal == nil {
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continue
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}
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if signals == nil {
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signals = make(map[string]int8, len(snapshot))
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}
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signals[id] = int8(max(math.Round(*reading.Signal), math.MinInt8))
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}
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return signals
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}
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