ceph-csi/vendor/github.com/prometheus/procfs/proc_snmp.go

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// Copyright 2022 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.
package procfs
import (
"bufio"
"bytes"
"fmt"
"io"
"strconv"
"strings"
"github.com/prometheus/procfs/internal/util"
)
// ProcSnmp models the content of /proc/<pid>/net/snmp.
type ProcSnmp struct {
// The process ID.
PID int
Ip
Icmp
IcmpMsg
Tcp
Udp
UdpLite
}
type Ip struct { // nolint:revive
Forwarding float64
DefaultTTL float64
InReceives float64
InHdrErrors float64
InAddrErrors float64
ForwDatagrams float64
InUnknownProtos float64
InDiscards float64
InDelivers float64
OutRequests float64
OutDiscards float64
OutNoRoutes float64
ReasmTimeout float64
ReasmReqds float64
ReasmOKs float64
ReasmFails float64
FragOKs float64
FragFails float64
FragCreates float64
}
type Icmp struct {
InMsgs float64
InErrors float64
InCsumErrors float64
InDestUnreachs float64
InTimeExcds float64
InParmProbs float64
InSrcQuenchs float64
InRedirects float64
InEchos float64
InEchoReps float64
InTimestamps float64
InTimestampReps float64
InAddrMasks float64
InAddrMaskReps float64
OutMsgs float64
OutErrors float64
OutDestUnreachs float64
OutTimeExcds float64
OutParmProbs float64
OutSrcQuenchs float64
OutRedirects float64
OutEchos float64
OutEchoReps float64
OutTimestamps float64
OutTimestampReps float64
OutAddrMasks float64
OutAddrMaskReps float64
}
type IcmpMsg struct {
InType3 float64
OutType3 float64
}
type Tcp struct { // nolint:revive
RtoAlgorithm float64
RtoMin float64
RtoMax float64
MaxConn float64
ActiveOpens float64
PassiveOpens float64
AttemptFails float64
EstabResets float64
CurrEstab float64
InSegs float64
OutSegs float64
RetransSegs float64
InErrs float64
OutRsts float64
InCsumErrors float64
}
type Udp struct { // nolint:revive
InDatagrams float64
NoPorts float64
InErrors float64
OutDatagrams float64
RcvbufErrors float64
SndbufErrors float64
InCsumErrors float64
IgnoredMulti float64
}
type UdpLite struct { // nolint:revive
InDatagrams float64
NoPorts float64
InErrors float64
OutDatagrams float64
RcvbufErrors float64
SndbufErrors float64
InCsumErrors float64
IgnoredMulti float64
}
func (p Proc) Snmp() (ProcSnmp, error) {
filename := p.path("net/snmp")
data, err := util.ReadFileNoStat(filename)
if err != nil {
return ProcSnmp{PID: p.PID}, err
}
procSnmp, err := parseSnmp(bytes.NewReader(data), filename)
procSnmp.PID = p.PID
return procSnmp, err
}
// parseSnmp parses the metrics from proc/<pid>/net/snmp file
// and returns a map contains those metrics (e.g. {"Ip": {"Forwarding": 2}}).
func parseSnmp(r io.Reader, fileName string) (ProcSnmp, error) {
var (
scanner = bufio.NewScanner(r)
procSnmp = ProcSnmp{}
)
for scanner.Scan() {
nameParts := strings.Split(scanner.Text(), " ")
scanner.Scan()
valueParts := strings.Split(scanner.Text(), " ")
// Remove trailing :.
protocol := strings.TrimSuffix(nameParts[0], ":")
if len(nameParts) != len(valueParts) {
return procSnmp, fmt.Errorf("mismatch field count mismatch in %s: %s",
fileName, protocol)
}
for i := 1; i < len(nameParts); i++ {
value, err := strconv.ParseFloat(valueParts[i], 64)
if err != nil {
return procSnmp, err
}
key := nameParts[i]
switch protocol {
case "Ip":
switch key {
case "Forwarding":
procSnmp.Ip.Forwarding = value
case "DefaultTTL":
procSnmp.Ip.DefaultTTL = value
case "InReceives":
procSnmp.Ip.InReceives = value
case "InHdrErrors":
procSnmp.Ip.InHdrErrors = value
case "InAddrErrors":
procSnmp.Ip.InAddrErrors = value
case "ForwDatagrams":
procSnmp.Ip.ForwDatagrams = value
case "InUnknownProtos":
procSnmp.Ip.InUnknownProtos = value
case "InDiscards":
procSnmp.Ip.InDiscards = value
case "InDelivers":
procSnmp.Ip.InDelivers = value
case "OutRequests":
procSnmp.Ip.OutRequests = value
case "OutDiscards":
procSnmp.Ip.OutDiscards = value
case "OutNoRoutes":
procSnmp.Ip.OutNoRoutes = value
case "ReasmTimeout":
procSnmp.Ip.ReasmTimeout = value
case "ReasmReqds":
procSnmp.Ip.ReasmReqds = value
case "ReasmOKs":
procSnmp.Ip.ReasmOKs = value
case "ReasmFails":
procSnmp.Ip.ReasmFails = value
case "FragOKs":
procSnmp.Ip.FragOKs = value
case "FragFails":
procSnmp.Ip.FragFails = value
case "FragCreates":
procSnmp.Ip.FragCreates = value
}
case "Icmp":
switch key {
case "InMsgs":
procSnmp.Icmp.InMsgs = value
case "InErrors":
procSnmp.Icmp.InErrors = value
case "InCsumErrors":
procSnmp.Icmp.InCsumErrors = value
case "InDestUnreachs":
procSnmp.Icmp.InDestUnreachs = value
case "InTimeExcds":
procSnmp.Icmp.InTimeExcds = value
case "InParmProbs":
procSnmp.Icmp.InParmProbs = value
case "InSrcQuenchs":
procSnmp.Icmp.InSrcQuenchs = value
case "InRedirects":
procSnmp.Icmp.InRedirects = value
case "InEchos":
procSnmp.Icmp.InEchos = value
case "InEchoReps":
procSnmp.Icmp.InEchoReps = value
case "InTimestamps":
procSnmp.Icmp.InTimestamps = value
case "InTimestampReps":
procSnmp.Icmp.InTimestampReps = value
case "InAddrMasks":
procSnmp.Icmp.InAddrMasks = value
case "InAddrMaskReps":
procSnmp.Icmp.InAddrMaskReps = value
case "OutMsgs":
procSnmp.Icmp.OutMsgs = value
case "OutErrors":
procSnmp.Icmp.OutErrors = value
case "OutDestUnreachs":
procSnmp.Icmp.OutDestUnreachs = value
case "OutTimeExcds":
procSnmp.Icmp.OutTimeExcds = value
case "OutParmProbs":
procSnmp.Icmp.OutParmProbs = value
case "OutSrcQuenchs":
procSnmp.Icmp.OutSrcQuenchs = value
case "OutRedirects":
procSnmp.Icmp.OutRedirects = value
case "OutEchos":
procSnmp.Icmp.OutEchos = value
case "OutEchoReps":
procSnmp.Icmp.OutEchoReps = value
case "OutTimestamps":
procSnmp.Icmp.OutTimestamps = value
case "OutTimestampReps":
procSnmp.Icmp.OutTimestampReps = value
case "OutAddrMasks":
procSnmp.Icmp.OutAddrMasks = value
case "OutAddrMaskReps":
procSnmp.Icmp.OutAddrMaskReps = value
}
case "IcmpMsg":
switch key {
case "InType3":
procSnmp.IcmpMsg.InType3 = value
case "OutType3":
procSnmp.IcmpMsg.OutType3 = value
}
case "Tcp":
switch key {
case "RtoAlgorithm":
procSnmp.Tcp.RtoAlgorithm = value
case "RtoMin":
procSnmp.Tcp.RtoMin = value
case "RtoMax":
procSnmp.Tcp.RtoMax = value
case "MaxConn":
procSnmp.Tcp.MaxConn = value
case "ActiveOpens":
procSnmp.Tcp.ActiveOpens = value
case "PassiveOpens":
procSnmp.Tcp.PassiveOpens = value
case "AttemptFails":
procSnmp.Tcp.AttemptFails = value
case "EstabResets":
procSnmp.Tcp.EstabResets = value
case "CurrEstab":
procSnmp.Tcp.CurrEstab = value
case "InSegs":
procSnmp.Tcp.InSegs = value
case "OutSegs":
procSnmp.Tcp.OutSegs = value
case "RetransSegs":
procSnmp.Tcp.RetransSegs = value
case "InErrs":
procSnmp.Tcp.InErrs = value
case "OutRsts":
procSnmp.Tcp.OutRsts = value
case "InCsumErrors":
procSnmp.Tcp.InCsumErrors = value
}
case "Udp":
switch key {
case "InDatagrams":
procSnmp.Udp.InDatagrams = value
case "NoPorts":
procSnmp.Udp.NoPorts = value
case "InErrors":
procSnmp.Udp.InErrors = value
case "OutDatagrams":
procSnmp.Udp.OutDatagrams = value
case "RcvbufErrors":
procSnmp.Udp.RcvbufErrors = value
case "SndbufErrors":
procSnmp.Udp.SndbufErrors = value
case "InCsumErrors":
procSnmp.Udp.InCsumErrors = value
case "IgnoredMulti":
procSnmp.Udp.IgnoredMulti = value
}
case "UdpLite":
switch key {
case "InDatagrams":
procSnmp.UdpLite.InDatagrams = value
case "NoPorts":
procSnmp.UdpLite.NoPorts = value
case "InErrors":
procSnmp.UdpLite.InErrors = value
case "OutDatagrams":
procSnmp.UdpLite.OutDatagrams = value
case "RcvbufErrors":
procSnmp.UdpLite.RcvbufErrors = value
case "SndbufErrors":
procSnmp.UdpLite.SndbufErrors = value
case "InCsumErrors":
procSnmp.UdpLite.InCsumErrors = value
case "IgnoredMulti":
procSnmp.UdpLite.IgnoredMulti = value
}
}
}
}
return procSnmp, scanner.Err()
}