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Code Issues Packages Projects Releases 2 Wiki Activity

feat: monitor connected Wi-Fi signal per interface (#2367)

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This commit is contained in:
Vito Cappello
2026-09-25 17:43:57 -04:00
committed by GitHub
parent badd4c8245
commit 86ab0fae8b
24 changed files with 814 additions and 0 deletions
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11
internal/entities/system/system.go
View File

@@ -11,7 +11,16 @@ import (
"github.com/henrygd/beszel/internal/entities/systemd"
)
// WiFi describes a currently connected station interface. Keys in WiFi maps are
// OS interface identities, not SSIDs. Signal is native dBm only; nil means the
// OS confirmed association but could not supply RSSI (never convert quality %).
type WiFi struct {
SSID string `json:"s,omitempty" cbor:"0,keyasint,omitempty"`
Signal *float64 `json:"r,omitempty" cbor:"1,keyasint,omitempty"`
}
type Stats struct {
WiFi map[string]WiFi `json:"wifi,omitempty" cbor:"40,keyasint,omitempty"`
Cpu float64 `json:"cpu" cbor:"0,keyasint"`
MaxCpu float64 `json:"cpum,omitempty" cbor:"-"`
Mem float64 `json:"m" cbor:"2,keyasint"`
@@ -156,6 +165,7 @@ const (
// Core system data that is needed in All Systems table
type Info struct {
// Always serialize the current snapshot, including null on unsupported agents.
Hostname string `json:"h,omitempty" cbor:"0,keyasint,omitempty"` // deprecated - moved to Details struct
KernelVersion string `json:"k,omitempty" cbor:"1,keyasint,omitempty"` // deprecated - moved to Details struct
Cores int `json:"c,omitzero" cbor:"2,keyasint,omitzero"` // deprecated - moved to Details struct
@@ -184,6 +194,7 @@ type Info struct {
Battery Battery `json:"bat,omitzero" cbor:"23,keyasint,omitzero"` // [percent, charge state]
RootDiskName string `json:"rdn,omitempty" cbor:"24,keyasint,omitempty"` // custom name for root disk (set via FILESYSTEM=device__name)
PackageUpdates []uint16 `json:"pu,omitempty" cbor:"25,keyasint,omitempty"` // [totalUpdates, securityUpdates] (security omitted if unknown)
WiFi map[string]WiFi `json:"wifi" cbor:"26,keyasint"`
}
// Data that does not change during process lifetime and is not needed in All Systems table

37
internal/entities/system/wifi_test.go Normal file
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@@ -0,0 +1,37 @@
package system
import (
"encoding/json"
"testing"
"github.com/fxamacker/cbor/v2"
)
func TestWiFiWireSnapshot(t *testing.T) {
signal := -55.0
for _, wifi := range []map[string]WiFi{nil, {}, {"wlan0": {SSID: "home", Signal: &signal}, "wlan1": {}}} {
original := CombinedData{Info: Info{WiFi: wifi}, Stats: Stats{WiFi: wifi}}
encoded, err := cbor.Marshal(original)
if err != nil {
t.Fatal(err)
}
var decoded CombinedData
if err = cbor.Unmarshal(encoded, &decoded); err != nil {
t.Fatal(err)
}
if len(decoded.Info.WiFi) != len(wifi) || len(decoded.Stats.WiFi) != len(wifi) {
t.Fatal(decoded)
}
encoded, err = json.Marshal(decoded.Info)
if err != nil {
t.Fatal(err)
}
var info map[string]any
if err = json.Unmarshal(encoded, &info); err != nil {
t.Fatal(err)
}
if _, ok := info["wifi"]; !ok {
t.Fatal("current absence must be explicit")
}
}
}