You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
121 lines
3.0 KiB
121 lines
3.0 KiB
// Copyright 2015 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 !nonetdev
|
|
// +build !nonetdev
|
|
|
|
package collector
|
|
|
|
import (
|
|
"bytes"
|
|
"encoding/binary"
|
|
"fmt"
|
|
"net"
|
|
|
|
"github.com/go-kit/log"
|
|
"github.com/go-kit/log/level"
|
|
"golang.org/x/sys/unix"
|
|
)
|
|
|
|
func getNetDevStats(filter *deviceFilter, logger log.Logger) (netDevStats, error) {
|
|
netDev := netDevStats{}
|
|
|
|
ifs, err := net.Interfaces()
|
|
if err != nil {
|
|
return nil, fmt.Errorf("net.Interfaces() failed: %w", err)
|
|
}
|
|
|
|
for _, iface := range ifs {
|
|
if filter.ignored(iface.Name) {
|
|
level.Debug(logger).Log("msg", "Ignoring device", "device", iface.Name)
|
|
continue
|
|
}
|
|
|
|
ifaceData, err := getIfaceData(iface.Index)
|
|
if err != nil {
|
|
level.Debug(logger).Log("msg", "failed to load data for interface", "device", iface.Name, "err", err)
|
|
continue
|
|
}
|
|
|
|
netDev[iface.Name] = map[string]uint64{
|
|
"receive_packets": ifaceData.Data.Ipackets,
|
|
"transmit_packets": ifaceData.Data.Opackets,
|
|
"receive_bytes": ifaceData.Data.Ibytes,
|
|
"transmit_bytes": ifaceData.Data.Obytes,
|
|
"receive_errors": ifaceData.Data.Ierrors,
|
|
"transmit_errors": ifaceData.Data.Oerrors,
|
|
"receive_dropped": ifaceData.Data.Iqdrops,
|
|
"receive_multicast": ifaceData.Data.Imcasts,
|
|
"transmit_multicast": ifaceData.Data.Omcasts,
|
|
"collisions": ifaceData.Data.Collisions,
|
|
"noproto": ifaceData.Data.Noproto,
|
|
}
|
|
}
|
|
|
|
return netDev, nil
|
|
}
|
|
|
|
func getIfaceData(index int) (*ifMsghdr2, error) {
|
|
var data ifMsghdr2
|
|
rawData, err := unix.SysctlRaw("net", unix.AF_ROUTE, 0, 0, unix.NET_RT_IFLIST2, index)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
err = binary.Read(bytes.NewReader(rawData), binary.LittleEndian, &data)
|
|
return &data, err
|
|
}
|
|
|
|
type ifMsghdr2 struct {
|
|
Msglen uint16
|
|
Version uint8
|
|
Type uint8
|
|
Addrs int32
|
|
Flags int32
|
|
Index uint16
|
|
_ [2]byte
|
|
SndLen int32
|
|
SndMaxlen int32
|
|
SndDrops int32
|
|
Timer int32
|
|
Data ifData64
|
|
}
|
|
|
|
// https://github.com/apple/darwin-xnu/blob/main/bsd/net/if_var.h#L199-L231
|
|
type ifData64 struct {
|
|
Type uint8
|
|
Typelen uint8
|
|
Physical uint8
|
|
Addrlen uint8
|
|
Hdrlen uint8
|
|
Recvquota uint8
|
|
Xmitquota uint8
|
|
Unused1 uint8
|
|
Mtu uint32
|
|
Metric uint32
|
|
Baudrate uint64
|
|
Ipackets uint64
|
|
Ierrors uint64
|
|
Opackets uint64
|
|
Oerrors uint64
|
|
Collisions uint64
|
|
Ibytes uint64
|
|
Obytes uint64
|
|
Imcasts uint64
|
|
Omcasts uint64
|
|
Iqdrops uint64
|
|
Noproto uint64
|
|
Recvtiming uint32
|
|
Xmittiming uint32
|
|
Lastchange unix.Timeval32
|
|
}
|