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// Copyright 2025 The Prometheus Authors
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
//go:build !nonetinterface
// +build !nonetinterface
package collector
import (
"log/slog"
"github.com/power-devops/perfstat"
"github.com/prometheus/client_golang/prometheus"
)
type netinterfaceCollector struct {
logger *slog.Logger
collisions *prometheus.Desc
ibytes *prometheus.Desc
ipackets *prometheus.Desc
obytes *prometheus.Desc
opackets *prometheus.Desc
}
const (
netinterfaceSubsystem = "netinterface"
)
func init() {
registerCollector("netinterface", defaultEnabled, NewNetinterfaceCollector)
}
func NewNetinterfaceCollector(logger *slog.Logger) (Collector, error) {
labels := []string{"interface"}
return &netinterfaceCollector{
logger: logger,
collisions: prometheus.NewDesc(
prometheus.BuildFQName(namespace, netinterfaceSubsystem, "collisions_total"),
"Total number of CSMA collisions on the interface.", labels, nil,
),
ibytes: prometheus.NewDesc(
prometheus.BuildFQName(namespace, netinterfaceSubsystem, "receive_bytes_total"),
"Total number of bytes received on the interface.", labels, nil,
),
ipackets: prometheus.NewDesc(
prometheus.BuildFQName(namespace, netinterfaceSubsystem, "receive_packets_total"),
"Total number of packets received on the interface.", labels, nil,
),
obytes: prometheus.NewDesc(
prometheus.BuildFQName(namespace, netinterfaceSubsystem, "transmit_bytes_total"),
"Total number of bytes transmitted on the interface.", labels, nil,
),
opackets: prometheus.NewDesc(
prometheus.BuildFQName(namespace, netinterfaceSubsystem, "transmit_packets_total"),
"Total number of packets transmitted on the interface.", labels, nil,
),
}, nil
}
func (c *netinterfaceCollector) Update(ch chan<- prometheus.Metric) error {
stats, err := perfstat.NetIfaceStat()
if err != nil {
return err
}
for _, stat := range stats {
iface := stat.Name
ch <- prometheus.MustNewConstMetric(c.collisions, prometheus.CounterValue, float64(stat.Collisions), iface)
ch <- prometheus.MustNewConstMetric(c.ibytes, prometheus.CounterValue, float64(stat.IBytes), iface)
ch <- prometheus.MustNewConstMetric(c.ipackets, prometheus.CounterValue, float64(stat.IPackets), iface)
ch <- prometheus.MustNewConstMetric(c.obytes, prometheus.CounterValue, float64(stat.OBytes), iface)
ch <- prometheus.MustNewConstMetric(c.opackets, prometheus.CounterValue, float64(stat.OPackets), iface)
}
return nil
}
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