// 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"
"errors"
"io"
"os"
"strconv"
"strings"
"github.com/prometheus/procfs/internal/util"
)
// ProcSnmp6 models the content of /proc/<pid>/net/snmp6.
type ProcSnmp6 struct {
// The process ID.
PID int
Ip6
Icmp6
Udp6
UdpLite6
}
type Ip6 struct { // nolint:revive
InReceives float64
InHdrErrors float64
InTooBigErrors float64
InNoRoutes float64
InAddrErrors float64
InUnknownProtos float64
InTruncatedPkts float64
InDiscards float64
InDelivers float64
OutForwDatagrams float64
OutRequests float64
OutDiscards float64
OutNoRoutes float64
ReasmTimeout float64
ReasmReqds float64
ReasmOKs float64
ReasmFails float64
FragOKs float64
FragFails float64
FragCreates float64
InMcastPkts float64
OutMcastPkts float64
InOctets float64
OutOctets float64
InMcastOctets float64
OutMcastOctets float64
InBcastOctets float64
OutBcastOctets float64
InNoECTPkts float64
InECT1Pkts float64
InECT0Pkts float64
InCEPkts float64
}
type Icmp6 struct {
InMsgs float64
InErrors float64
OutMsgs float64
OutErrors float64
InCsumErrors float64
InDestUnreachs float64
InPktTooBigs float64
InTimeExcds float64
InParmProblems float64
InEchos float64
InEchoReplies float64
InGroupMembQueries float64
InGroupMembResponses float64
InGroupMembReductions float64
InRouterSolicits float64
InRouterAdvertisements float64
InNeighborSolicits float64
InNeighborAdvertisements float64
InRedirects float64
InMLDv2Reports float64
OutDestUnreachs float64
OutPktTooBigs float64
OutTimeExcds float64
OutParmProblems float64
OutEchos float64
OutEchoReplies float64
OutGroupMembQueries float64
OutGroupMembResponses float64
OutGroupMembReductions float64
OutRouterSolicits float64
OutRouterAdvertisements float64
OutNeighborSolicits float64
OutNeighborAdvertisements float64
OutRedirects float64
OutMLDv2Reports float64
InType1 float64
InType134 float64
InType135 float64
InType136 float64
InType143 float64
OutType133 float64
OutType135 float64
OutType136 float64
OutType143 float64
}
type Udp6 struct { // nolint:revive
InDatagrams float64
NoPorts float64
InErrors float64
OutDatagrams float64
RcvbufErrors float64
SndbufErrors float64
InCsumErrors float64
IgnoredMulti float64
}
type UdpLite6 struct { // nolint:revive
InDatagrams float64
NoPorts float64
InErrors float64
OutDatagrams float64
RcvbufErrors float64
SndbufErrors float64
InCsumErrors float64
}
func (p Proc) Snmp6() (ProcSnmp6, error) {
filename := p.path("net/snmp6")
data, err := util.ReadFileNoStat(filename)
if err != nil {
// On systems with IPv6 disabled, this file won't exist.
// Do nothing.
if errors.Is(err, os.ErrNotExist) {
return ProcSnmp6{PID: p.PID}, nil
}
return ProcSnmp6{PID: p.PID}, err
}
procSnmp6, err := parseSNMP6Stats(bytes.NewReader(data))
procSnmp6.PID = p.PID
return procSnmp6, err
}
// parseSnmp6 parses the metrics from proc/<pid>/net/snmp6 file
// and returns a map contains those metrics.
func parseSNMP6Stats(r io.Reader) (ProcSnmp6, error) {
var (
scanner = bufio.NewScanner(r)
procSnmp6 = ProcSnmp6{}
)
for scanner.Scan() {
stat := strings.Fields(scanner.Text())
if len(stat) < 2 {
continue
}
// Expect to have "6" in metric name, skip line otherwise
if sixIndex := strings.Index(stat[0], "6"); sixIndex != -1 {
protocol := stat[0][:sixIndex+1]
key := stat[0][sixIndex+1:]
value, err := strconv.ParseFloat(stat[1], 64)
if err != nil {
return procSnmp6, err
}
switch protocol {
case "Ip6":
switch key {
case "InReceives":
procSnmp6.Ip6.InReceives = value
case "InHdrErrors":
procSnmp6.Ip6.InHdrErrors = value
case "InTooBigErrors":
procSnmp6.Ip6.InTooBigErrors = value
case "InNoRoutes":
procSnmp6.Ip6.InNoRoutes = value
case "InAddrErrors":
procSnmp6.Ip6.InAddrErrors = value
case "InUnknownProtos":
procSnmp6.Ip6.InUnknownProtos = value
case "InTruncatedPkts":
procSnmp6.Ip6.InTruncatedPkts = value
case "InDiscards":
procSnmp6.Ip6.InDiscards = value
case "InDelivers":
procSnmp6.Ip6.InDelivers = value
case "OutForwDatagrams":
procSnmp6.Ip6.OutForwDatagrams = value
case "OutRequests":
procSnmp6.Ip6.OutRequests = value
case "OutDiscards":
procSnmp6.Ip6.OutDiscards = value
case "OutNoRoutes":
procSnmp6.Ip6.OutNoRoutes = value
case "ReasmTimeout":
procSnmp6.Ip6.ReasmTimeout = value
case "ReasmReqds":
procSnmp6.Ip6.ReasmReqds = value
case "ReasmOKs":
procSnmp6.Ip6.ReasmOKs = value
case "ReasmFails":
procSnmp6.Ip6.ReasmFails = value
case "FragOKs":
procSnmp6.Ip6.FragOKs = value
case "FragFails":
procSnmp6.Ip6.FragFails = value
case "FragCreates":
procSnmp6.Ip6.FragCreates = value
case "InMcastPkts":
procSnmp6.Ip6.InMcastPkts = value
case "OutMcastPkts":
procSnmp6.Ip6.OutMcastPkts = value
case "InOctets":
procSnmp6.Ip6.InOctets = value
case "OutOctets":
procSnmp6.Ip6.OutOctets = value
case "InMcastOctets":
procSnmp6.Ip6.InMcastOctets = value
case "OutMcastOctets":
procSnmp6.Ip6.OutMcastOctets = value
case "InBcastOctets":
procSnmp6.Ip6.InBcastOctets = value
case "OutBcastOctets":
procSnmp6.Ip6.OutBcastOctets = value
case "InNoECTPkts":
procSnmp6.Ip6.InNoECTPkts = value
case "InECT1Pkts":
procSnmp6.Ip6.InECT1Pkts = value
case "InECT0Pkts":
procSnmp6.Ip6.InECT0Pkts = value
case "InCEPkts":
procSnmp6.Ip6.InCEPkts = value
}
case "Icmp6":
switch key {
case "InMsgs":
procSnmp6.Icmp6.InMsgs = value
case "InErrors":
procSnmp6.Icmp6.InErrors = value
case "OutMsgs":
procSnmp6.Icmp6.OutMsgs = value
case "OutErrors":
procSnmp6.Icmp6.OutErrors = value
case "InCsumErrors":
procSnmp6.Icmp6.InCsumErrors = value
case "InDestUnreachs":
procSnmp6.Icmp6.InDestUnreachs = value
case "InPktTooBigs":
procSnmp6.Icmp6.InPktTooBigs = value
case "InTimeExcds":
procSnmp6.Icmp6.InTimeExcds = value
case "InParmProblems":
procSnmp6.Icmp6.InParmProblems = value
case "InEchos":
procSnmp6.Icmp6.InEchos = value
case "InEchoReplies":
procSnmp6.Icmp6.InEchoReplies = value
case "InGroupMembQueries":
procSnmp6.Icmp6.InGroupMembQueries = value
case "InGroupMembResponses":
procSnmp6.Icmp6.InGroupMembResponses = value
case "InGroupMembReductions":
procSnmp6.Icmp6.InGroupMembReductions = value
case "InRouterSolicits":
procSnmp6.Icmp6.InRouterSolicits = value
case "InRouterAdvertisements":
procSnmp6.Icmp6.InRouterAdvertisements = value
case "InNeighborSolicits":
procSnmp6.Icmp6.InNeighborSolicits = value
case "InNeighborAdvertisements":
procSnmp6.Icmp6.InNeighborAdvertisements = value
case "InRedirects":
procSnmp6.Icmp6.InRedirects = value
case "InMLDv2Reports":
procSnmp6.Icmp6.InMLDv2Reports = value
case "OutDestUnreachs":
procSnmp6.Icmp6.OutDestUnreachs = value
case "OutPktTooBigs":
procSnmp6.Icmp6.OutPktTooBigs = value
case "OutTimeExcds":
procSnmp6.Icmp6.OutTimeExcds = value
case "OutParmProblems":
procSnmp6.Icmp6.OutParmProblems = value
case "OutEchos":
procSnmp6.Icmp6.OutEchos = value
case "OutEchoReplies":
procSnmp6.Icmp6.OutEchoReplies = value
case "OutGroupMembQueries":
procSnmp6.Icmp6.OutGroupMembQueries = value
case "OutGroupMembResponses":
procSnmp6.Icmp6.OutGroupMembResponses = value
case "OutGroupMembReductions":
procSnmp6.Icmp6.OutGroupMembReductions = value
case "OutRouterSolicits":
procSnmp6.Icmp6.OutRouterSolicits = value
case "OutRouterAdvertisements":
procSnmp6.Icmp6.OutRouterAdvertisements = value
case "OutNeighborSolicits":
procSnmp6.Icmp6.OutNeighborSolicits = value
case "OutNeighborAdvertisements":
procSnmp6.Icmp6.OutNeighborAdvertisements = value
case "OutRedirects":
procSnmp6.Icmp6.OutRedirects = value
case "OutMLDv2Reports":
procSnmp6.Icmp6.OutMLDv2Reports = value
case "InType1":
procSnmp6.Icmp6.InType1 = value
case "InType134":
procSnmp6.Icmp6.InType134 = value
case "InType135":
procSnmp6.Icmp6.InType135 = value
case "InType136":
procSnmp6.Icmp6.InType136 = value
case "InType143":
procSnmp6.Icmp6.InType143 = value
case "OutType133":
procSnmp6.Icmp6.OutType133 = value
case "OutType135":
procSnmp6.Icmp6.OutType135 = value
case "OutType136":
procSnmp6.Icmp6.OutType136 = value
case "OutType143":
procSnmp6.Icmp6.OutType143 = value
}
case "Udp6":
switch key {
case "InDatagrams":
procSnmp6.Udp6.InDatagrams = value
case "NoPorts":
procSnmp6.Udp6.NoPorts = value
case "InErrors":
procSnmp6.Udp6.InErrors = value
case "OutDatagrams":
procSnmp6.Udp6.OutDatagrams = value
case "RcvbufErrors":
procSnmp6.Udp6.RcvbufErrors = value
case "SndbufErrors":
procSnmp6.Udp6.SndbufErrors = value
case "InCsumErrors":
procSnmp6.Udp6.InCsumErrors = value
case "IgnoredMulti":
procSnmp6.Udp6.IgnoredMulti = value
}
case "UdpLite6":
switch key {
case "InDatagrams":
procSnmp6.UdpLite6.InDatagrams = value
case "NoPorts":
procSnmp6.UdpLite6.NoPorts = value
case "InErrors":
procSnmp6.UdpLite6.InErrors = value
case "OutDatagrams":
procSnmp6.UdpLite6.OutDatagrams = value
case "RcvbufErrors":
procSnmp6.UdpLite6.RcvbufErrors = value
case "SndbufErrors":
procSnmp6.UdpLite6.SndbufErrors = value
case "InCsumErrors":
procSnmp6.UdpLite6.InCsumErrors = value
}
}
}
}
return procSnmp6, scanner.Err()
}