livebox-exporter/internal/poller/wan.go
2023-06-03 11:30:01 +02:00

81 lines
1.9 KiB
Go

package poller
import (
"context"
"github.com/Tomy2e/livebox-api-client"
"github.com/Tomy2e/livebox-api-client/api/request"
"github.com/Tomy2e/livebox-exporter/pkg/bitrate"
"github.com/prometheus/client_golang/prometheus"
)
var _ Poller = &WANMbits{}
// WANMbits is an experimental poller to get the current bandwidth usage on the
// WAN interface of the Livebox.
type WANMbits struct {
client *livebox.Client
bitrate *bitrate.Bitrate
txMbits, rxMbits prometheus.Gauge
}
// NewWANMbits returns a new WANMbits poller.
func NewWANMbits(client *livebox.Client) *WANMbits {
return &WANMbits{
client: client,
bitrate: bitrate.New(InterfaceHomeLanMbitsMinDelay),
txMbits: prometheus.NewGauge(prometheus.GaugeOpts{
Name: "livebox_wan_tx_mbits",
Help: "Transmitted Mbits per second on the WAN interface.",
}),
rxMbits: prometheus.NewGauge(prometheus.GaugeOpts{
Name: "livebox_wan_rx_mbits",
Help: "Received Mbits per second on the WAN interface.",
}),
}
}
// Collectors returns all metrics.
func (im *WANMbits) Collectors() []prometheus.Collector {
return []prometheus.Collector{
im.txMbits,
im.rxMbits,
}
}
// Poll polls the current bandwidth usage on the WAN interface.
func (im *WANMbits) Poll(ctx context.Context) error {
var stats struct {
Status struct {
BytesReceived uint64 `json:"BytesReceived"`
BytesSent uint64 `json:"BytesSent"`
} `json:"status"`
}
if err := im.client.Request(
ctx,
request.New("HomeLan", "getWANCounters", nil),
&stats,
); err != nil {
return err
}
counters := &bitrate.Counters{
Tx: stats.Status.BytesSent,
Rx: stats.Status.BytesReceived,
}
counters.Swap()
bitrates := im.bitrate.Measure("WAN", counters)
if bitrates.Rx != nil && !bitrates.Rx.Reset {
im.rxMbits.Set(sanitizeMbits(bitrates.Rx.Value))
}
if bitrates.Tx != nil && !bitrates.Tx.Reset {
im.txMbits.Set(sanitizeMbits(bitrates.Tx.Value))
}
return nil
}