mirror of
https://github.com/rocky-linux/peridot.git
synced 2024-12-30 14:00:57 +00:00
353 lines
9 KiB
Go
353 lines
9 KiB
Go
// Copyright 2022 The Prometheus Authors
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package procfs
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import (
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"bufio"
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"bytes"
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"fmt"
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"io"
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"strconv"
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"strings"
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"github.com/prometheus/procfs/internal/util"
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)
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// ProcSnmp models the content of /proc/<pid>/net/snmp.
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type ProcSnmp struct {
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// The process ID.
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PID int
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Ip
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Icmp
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IcmpMsg
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Tcp
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Udp
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UdpLite
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}
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type Ip struct { // nolint:revive
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Forwarding float64
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DefaultTTL float64
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InReceives float64
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InHdrErrors float64
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InAddrErrors float64
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ForwDatagrams float64
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InUnknownProtos float64
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InDiscards float64
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InDelivers float64
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OutRequests float64
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OutDiscards float64
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OutNoRoutes float64
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ReasmTimeout float64
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ReasmReqds float64
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ReasmOKs float64
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ReasmFails float64
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FragOKs float64
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FragFails float64
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FragCreates float64
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}
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type Icmp struct {
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InMsgs float64
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InErrors float64
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InCsumErrors float64
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InDestUnreachs float64
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InTimeExcds float64
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InParmProbs float64
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InSrcQuenchs float64
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InRedirects float64
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InEchos float64
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InEchoReps float64
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InTimestamps float64
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InTimestampReps float64
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InAddrMasks float64
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InAddrMaskReps float64
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OutMsgs float64
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OutErrors float64
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OutDestUnreachs float64
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OutTimeExcds float64
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OutParmProbs float64
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OutSrcQuenchs float64
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OutRedirects float64
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OutEchos float64
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OutEchoReps float64
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OutTimestamps float64
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OutTimestampReps float64
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OutAddrMasks float64
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OutAddrMaskReps float64
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}
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type IcmpMsg struct {
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InType3 float64
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OutType3 float64
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}
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type Tcp struct { // nolint:revive
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RtoAlgorithm float64
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RtoMin float64
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RtoMax float64
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MaxConn float64
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ActiveOpens float64
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PassiveOpens float64
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AttemptFails float64
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EstabResets float64
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CurrEstab float64
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InSegs float64
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OutSegs float64
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RetransSegs float64
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InErrs float64
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OutRsts float64
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InCsumErrors float64
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}
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type Udp struct { // nolint:revive
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InDatagrams float64
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NoPorts float64
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InErrors float64
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OutDatagrams float64
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RcvbufErrors float64
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SndbufErrors float64
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InCsumErrors float64
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IgnoredMulti float64
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}
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type UdpLite struct { // nolint:revive
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InDatagrams float64
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NoPorts float64
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InErrors float64
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OutDatagrams float64
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RcvbufErrors float64
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SndbufErrors float64
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InCsumErrors float64
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IgnoredMulti float64
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}
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func (p Proc) Snmp() (ProcSnmp, error) {
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filename := p.path("net/snmp")
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data, err := util.ReadFileNoStat(filename)
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if err != nil {
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return ProcSnmp{PID: p.PID}, err
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}
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procSnmp, err := parseSnmp(bytes.NewReader(data), filename)
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procSnmp.PID = p.PID
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return procSnmp, err
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}
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// parseSnmp parses the metrics from proc/<pid>/net/snmp file
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// and returns a map contains those metrics (e.g. {"Ip": {"Forwarding": 2}}).
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func parseSnmp(r io.Reader, fileName string) (ProcSnmp, error) {
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var (
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scanner = bufio.NewScanner(r)
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procSnmp = ProcSnmp{}
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)
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for scanner.Scan() {
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nameParts := strings.Split(scanner.Text(), " ")
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scanner.Scan()
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valueParts := strings.Split(scanner.Text(), " ")
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// Remove trailing :.
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protocol := strings.TrimSuffix(nameParts[0], ":")
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if len(nameParts) != len(valueParts) {
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return procSnmp, fmt.Errorf("mismatch field count mismatch in %s: %s",
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fileName, protocol)
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}
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for i := 1; i < len(nameParts); i++ {
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value, err := strconv.ParseFloat(valueParts[i], 64)
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if err != nil {
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return procSnmp, err
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}
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key := nameParts[i]
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switch protocol {
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case "Ip":
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switch key {
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case "Forwarding":
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procSnmp.Ip.Forwarding = value
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case "DefaultTTL":
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procSnmp.Ip.DefaultTTL = value
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case "InReceives":
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procSnmp.Ip.InReceives = value
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case "InHdrErrors":
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procSnmp.Ip.InHdrErrors = value
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case "InAddrErrors":
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procSnmp.Ip.InAddrErrors = value
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case "ForwDatagrams":
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procSnmp.Ip.ForwDatagrams = value
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case "InUnknownProtos":
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procSnmp.Ip.InUnknownProtos = value
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case "InDiscards":
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procSnmp.Ip.InDiscards = value
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case "InDelivers":
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procSnmp.Ip.InDelivers = value
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case "OutRequests":
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procSnmp.Ip.OutRequests = value
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case "OutDiscards":
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procSnmp.Ip.OutDiscards = value
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case "OutNoRoutes":
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procSnmp.Ip.OutNoRoutes = value
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case "ReasmTimeout":
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procSnmp.Ip.ReasmTimeout = value
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case "ReasmReqds":
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procSnmp.Ip.ReasmReqds = value
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case "ReasmOKs":
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procSnmp.Ip.ReasmOKs = value
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case "ReasmFails":
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procSnmp.Ip.ReasmFails = value
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case "FragOKs":
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procSnmp.Ip.FragOKs = value
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case "FragFails":
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procSnmp.Ip.FragFails = value
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case "FragCreates":
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procSnmp.Ip.FragCreates = value
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}
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case "Icmp":
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switch key {
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case "InMsgs":
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procSnmp.Icmp.InMsgs = value
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case "InErrors":
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procSnmp.Icmp.InErrors = value
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case "InCsumErrors":
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procSnmp.Icmp.InCsumErrors = value
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case "InDestUnreachs":
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procSnmp.Icmp.InDestUnreachs = value
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case "InTimeExcds":
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procSnmp.Icmp.InTimeExcds = value
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case "InParmProbs":
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procSnmp.Icmp.InParmProbs = value
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case "InSrcQuenchs":
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procSnmp.Icmp.InSrcQuenchs = value
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case "InRedirects":
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procSnmp.Icmp.InRedirects = value
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case "InEchos":
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procSnmp.Icmp.InEchos = value
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case "InEchoReps":
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procSnmp.Icmp.InEchoReps = value
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case "InTimestamps":
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procSnmp.Icmp.InTimestamps = value
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case "InTimestampReps":
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procSnmp.Icmp.InTimestampReps = value
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case "InAddrMasks":
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procSnmp.Icmp.InAddrMasks = value
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case "InAddrMaskReps":
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procSnmp.Icmp.InAddrMaskReps = value
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case "OutMsgs":
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procSnmp.Icmp.OutMsgs = value
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case "OutErrors":
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procSnmp.Icmp.OutErrors = value
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case "OutDestUnreachs":
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procSnmp.Icmp.OutDestUnreachs = value
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case "OutTimeExcds":
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procSnmp.Icmp.OutTimeExcds = value
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case "OutParmProbs":
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procSnmp.Icmp.OutParmProbs = value
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case "OutSrcQuenchs":
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procSnmp.Icmp.OutSrcQuenchs = value
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case "OutRedirects":
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procSnmp.Icmp.OutRedirects = value
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case "OutEchos":
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procSnmp.Icmp.OutEchos = value
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case "OutEchoReps":
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procSnmp.Icmp.OutEchoReps = value
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case "OutTimestamps":
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procSnmp.Icmp.OutTimestamps = value
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case "OutTimestampReps":
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procSnmp.Icmp.OutTimestampReps = value
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case "OutAddrMasks":
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procSnmp.Icmp.OutAddrMasks = value
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case "OutAddrMaskReps":
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procSnmp.Icmp.OutAddrMaskReps = value
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}
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case "IcmpMsg":
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switch key {
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case "InType3":
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procSnmp.IcmpMsg.InType3 = value
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case "OutType3":
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procSnmp.IcmpMsg.OutType3 = value
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}
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case "Tcp":
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switch key {
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case "RtoAlgorithm":
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procSnmp.Tcp.RtoAlgorithm = value
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case "RtoMin":
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procSnmp.Tcp.RtoMin = value
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case "RtoMax":
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procSnmp.Tcp.RtoMax = value
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case "MaxConn":
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procSnmp.Tcp.MaxConn = value
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case "ActiveOpens":
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procSnmp.Tcp.ActiveOpens = value
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case "PassiveOpens":
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procSnmp.Tcp.PassiveOpens = value
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case "AttemptFails":
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procSnmp.Tcp.AttemptFails = value
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case "EstabResets":
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procSnmp.Tcp.EstabResets = value
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case "CurrEstab":
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procSnmp.Tcp.CurrEstab = value
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case "InSegs":
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procSnmp.Tcp.InSegs = value
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case "OutSegs":
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procSnmp.Tcp.OutSegs = value
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case "RetransSegs":
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procSnmp.Tcp.RetransSegs = value
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case "InErrs":
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procSnmp.Tcp.InErrs = value
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case "OutRsts":
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procSnmp.Tcp.OutRsts = value
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case "InCsumErrors":
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procSnmp.Tcp.InCsumErrors = value
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}
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case "Udp":
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switch key {
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case "InDatagrams":
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procSnmp.Udp.InDatagrams = value
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case "NoPorts":
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procSnmp.Udp.NoPorts = value
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case "InErrors":
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procSnmp.Udp.InErrors = value
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case "OutDatagrams":
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procSnmp.Udp.OutDatagrams = value
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case "RcvbufErrors":
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procSnmp.Udp.RcvbufErrors = value
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case "SndbufErrors":
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procSnmp.Udp.SndbufErrors = value
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case "InCsumErrors":
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procSnmp.Udp.InCsumErrors = value
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case "IgnoredMulti":
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procSnmp.Udp.IgnoredMulti = value
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}
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case "UdpLite":
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switch key {
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case "InDatagrams":
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procSnmp.UdpLite.InDatagrams = value
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case "NoPorts":
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procSnmp.UdpLite.NoPorts = value
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case "InErrors":
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procSnmp.UdpLite.InErrors = value
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case "OutDatagrams":
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procSnmp.UdpLite.OutDatagrams = value
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case "RcvbufErrors":
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procSnmp.UdpLite.RcvbufErrors = value
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case "SndbufErrors":
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procSnmp.UdpLite.SndbufErrors = value
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case "InCsumErrors":
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procSnmp.UdpLite.InCsumErrors = value
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case "IgnoredMulti":
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procSnmp.UdpLite.IgnoredMulti = value
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}
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}
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}
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}
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return procSnmp, scanner.Err()
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}
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