cloudflared-mirror/vendor/github.com/prometheus/procfs/proc_netstat.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"
)
// ProcNetstat models the content of /proc/<pid>/net/netstat.
type ProcNetstat struct {
// The process ID.
PID int
TcpExt
IpExt
}
type TcpExt struct { // nolint:revive
SyncookiesSent float64
SyncookiesRecv float64
SyncookiesFailed float64
EmbryonicRsts float64
PruneCalled float64
RcvPruned float64
OfoPruned float64
OutOfWindowIcmps float64
LockDroppedIcmps float64
ArpFilter float64
TW float64
TWRecycled float64
TWKilled float64
PAWSActive float64
PAWSEstab float64
DelayedACKs float64
DelayedACKLocked float64
DelayedACKLost float64
ListenOverflows float64
ListenDrops float64
TCPHPHits float64
TCPPureAcks float64
TCPHPAcks float64
TCPRenoRecovery float64
TCPSackRecovery float64
TCPSACKReneging float64
TCPSACKReorder float64
TCPRenoReorder float64
TCPTSReorder float64
TCPFullUndo float64
TCPPartialUndo float64
TCPDSACKUndo float64
TCPLossUndo float64
TCPLostRetransmit float64
TCPRenoFailures float64
TCPSackFailures float64
TCPLossFailures float64
TCPFastRetrans float64
TCPSlowStartRetrans float64
TCPTimeouts float64
TCPLossProbes float64
TCPLossProbeRecovery float64
TCPRenoRecoveryFail float64
TCPSackRecoveryFail float64
TCPRcvCollapsed float64
TCPDSACKOldSent float64
TCPDSACKOfoSent float64
TCPDSACKRecv float64
TCPDSACKOfoRecv float64
TCPAbortOnData float64
TCPAbortOnClose float64
TCPAbortOnMemory float64
TCPAbortOnTimeout float64
TCPAbortOnLinger float64
TCPAbortFailed float64
TCPMemoryPressures float64
TCPMemoryPressuresChrono float64
TCPSACKDiscard float64
TCPDSACKIgnoredOld float64
TCPDSACKIgnoredNoUndo float64
TCPSpuriousRTOs float64
TCPMD5NotFound float64
TCPMD5Unexpected float64
TCPMD5Failure float64
TCPSackShifted float64
TCPSackMerged float64
TCPSackShiftFallback float64
TCPBacklogDrop float64
PFMemallocDrop float64
TCPMinTTLDrop float64
TCPDeferAcceptDrop float64
IPReversePathFilter float64
TCPTimeWaitOverflow float64
TCPReqQFullDoCookies float64
TCPReqQFullDrop float64
TCPRetransFail float64
TCPRcvCoalesce float64
TCPOFOQueue float64
TCPOFODrop float64
TCPOFOMerge float64
TCPChallengeACK float64
TCPSYNChallenge float64
TCPFastOpenActive float64
TCPFastOpenActiveFail float64
TCPFastOpenPassive float64
TCPFastOpenPassiveFail float64
TCPFastOpenListenOverflow float64
TCPFastOpenCookieReqd float64
TCPFastOpenBlackhole float64
TCPSpuriousRtxHostQueues float64
BusyPollRxPackets float64
TCPAutoCorking float64
TCPFromZeroWindowAdv float64
TCPToZeroWindowAdv float64
TCPWantZeroWindowAdv float64
TCPSynRetrans float64
TCPOrigDataSent float64
TCPHystartTrainDetect float64
TCPHystartTrainCwnd float64
TCPHystartDelayDetect float64
TCPHystartDelayCwnd float64
TCPACKSkippedSynRecv float64
TCPACKSkippedPAWS float64
TCPACKSkippedSeq float64
TCPACKSkippedFinWait2 float64
TCPACKSkippedTimeWait float64
TCPACKSkippedChallenge float64
TCPWinProbe float64
TCPKeepAlive float64
TCPMTUPFail float64
TCPMTUPSuccess float64
TCPWqueueTooBig float64
}
type IpExt struct { // nolint:revive
InNoRoutes float64
InTruncatedPkts float64
InMcastPkts float64
OutMcastPkts float64
InBcastPkts float64
OutBcastPkts float64
InOctets float64
OutOctets float64
InMcastOctets float64
OutMcastOctets float64
InBcastOctets float64
OutBcastOctets float64
InCsumErrors float64
InNoECTPkts float64
InECT1Pkts float64
InECT0Pkts float64
InCEPkts float64
ReasmOverlaps float64
}
func (p Proc) Netstat() (ProcNetstat, error) {
filename := p.path("net/netstat")
data, err := util.ReadFileNoStat(filename)
if err != nil {
return ProcNetstat{PID: p.PID}, err
}
procNetstat, err := parseNetstat(bytes.NewReader(data), filename)
procNetstat.PID = p.PID
return procNetstat, err
}
// parseNetstat parses the metrics from proc/<pid>/net/netstat file
// and returns a ProcNetstat structure.
func parseNetstat(r io.Reader, fileName string) (ProcNetstat, error) {
var (
scanner = bufio.NewScanner(r)
procNetstat = ProcNetstat{}
)
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 procNetstat, 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 procNetstat, err
}
key := nameParts[i]
switch protocol {
case "TcpExt":
switch key {
case "SyncookiesSent":
procNetstat.TcpExt.SyncookiesSent = value
case "SyncookiesRecv":
procNetstat.TcpExt.SyncookiesRecv = value
case "SyncookiesFailed":
procNetstat.TcpExt.SyncookiesFailed = value
case "EmbryonicRsts":
procNetstat.TcpExt.EmbryonicRsts = value
case "PruneCalled":
procNetstat.TcpExt.PruneCalled = value
case "RcvPruned":
procNetstat.TcpExt.RcvPruned = value
case "OfoPruned":
procNetstat.TcpExt.OfoPruned = value
case "OutOfWindowIcmps":
procNetstat.TcpExt.OutOfWindowIcmps = value
case "LockDroppedIcmps":
procNetstat.TcpExt.LockDroppedIcmps = value
case "ArpFilter":
procNetstat.TcpExt.ArpFilter = value
case "TW":
procNetstat.TcpExt.TW = value
case "TWRecycled":
procNetstat.TcpExt.TWRecycled = value
case "TWKilled":
procNetstat.TcpExt.TWKilled = value
case "PAWSActive":
procNetstat.TcpExt.PAWSActive = value
case "PAWSEstab":
procNetstat.TcpExt.PAWSEstab = value
case "DelayedACKs":
procNetstat.TcpExt.DelayedACKs = value
case "DelayedACKLocked":
procNetstat.TcpExt.DelayedACKLocked = value
case "DelayedACKLost":
procNetstat.TcpExt.DelayedACKLost = value
case "ListenOverflows":
procNetstat.TcpExt.ListenOverflows = value
case "ListenDrops":
procNetstat.TcpExt.ListenDrops = value
case "TCPHPHits":
procNetstat.TcpExt.TCPHPHits = value
case "TCPPureAcks":
procNetstat.TcpExt.TCPPureAcks = value
case "TCPHPAcks":
procNetstat.TcpExt.TCPHPAcks = value
case "TCPRenoRecovery":
procNetstat.TcpExt.TCPRenoRecovery = value
case "TCPSackRecovery":
procNetstat.TcpExt.TCPSackRecovery = value
case "TCPSACKReneging":
procNetstat.TcpExt.TCPSACKReneging = value
case "TCPSACKReorder":
procNetstat.TcpExt.TCPSACKReorder = value
case "TCPRenoReorder":
procNetstat.TcpExt.TCPRenoReorder = value
case "TCPTSReorder":
procNetstat.TcpExt.TCPTSReorder = value
case "TCPFullUndo":
procNetstat.TcpExt.TCPFullUndo = value
case "TCPPartialUndo":
procNetstat.TcpExt.TCPPartialUndo = value
case "TCPDSACKUndo":
procNetstat.TcpExt.TCPDSACKUndo = value
case "TCPLossUndo":
procNetstat.TcpExt.TCPLossUndo = value
case "TCPLostRetransmit":
procNetstat.TcpExt.TCPLostRetransmit = value
case "TCPRenoFailures":
procNetstat.TcpExt.TCPRenoFailures = value
case "TCPSackFailures":
procNetstat.TcpExt.TCPSackFailures = value
case "TCPLossFailures":
procNetstat.TcpExt.TCPLossFailures = value
case "TCPFastRetrans":
procNetstat.TcpExt.TCPFastRetrans = value
case "TCPSlowStartRetrans":
procNetstat.TcpExt.TCPSlowStartRetrans = value
case "TCPTimeouts":
procNetstat.TcpExt.TCPTimeouts = value
case "TCPLossProbes":
procNetstat.TcpExt.TCPLossProbes = value
case "TCPLossProbeRecovery":
procNetstat.TcpExt.TCPLossProbeRecovery = value
case "TCPRenoRecoveryFail":
procNetstat.TcpExt.TCPRenoRecoveryFail = value
case "TCPSackRecoveryFail":
procNetstat.TcpExt.TCPSackRecoveryFail = value
case "TCPRcvCollapsed":
procNetstat.TcpExt.TCPRcvCollapsed = value
case "TCPDSACKOldSent":
procNetstat.TcpExt.TCPDSACKOldSent = value
case "TCPDSACKOfoSent":
procNetstat.TcpExt.TCPDSACKOfoSent = value
case "TCPDSACKRecv":
procNetstat.TcpExt.TCPDSACKRecv = value
case "TCPDSACKOfoRecv":
procNetstat.TcpExt.TCPDSACKOfoRecv = value
case "TCPAbortOnData":
procNetstat.TcpExt.TCPAbortOnData = value
case "TCPAbortOnClose":
procNetstat.TcpExt.TCPAbortOnClose = value
case "TCPDeferAcceptDrop":
procNetstat.TcpExt.TCPDeferAcceptDrop = value
case "IPReversePathFilter":
procNetstat.TcpExt.IPReversePathFilter = value
case "TCPTimeWaitOverflow":
procNetstat.TcpExt.TCPTimeWaitOverflow = value
case "TCPReqQFullDoCookies":
procNetstat.TcpExt.TCPReqQFullDoCookies = value
case "TCPReqQFullDrop":
procNetstat.TcpExt.TCPReqQFullDrop = value
case "TCPRetransFail":
procNetstat.TcpExt.TCPRetransFail = value
case "TCPRcvCoalesce":
procNetstat.TcpExt.TCPRcvCoalesce = value
case "TCPOFOQueue":
procNetstat.TcpExt.TCPOFOQueue = value
case "TCPOFODrop":
procNetstat.TcpExt.TCPOFODrop = value
case "TCPOFOMerge":
procNetstat.TcpExt.TCPOFOMerge = value
case "TCPChallengeACK":
procNetstat.TcpExt.TCPChallengeACK = value
case "TCPSYNChallenge":
procNetstat.TcpExt.TCPSYNChallenge = value
case "TCPFastOpenActive":
procNetstat.TcpExt.TCPFastOpenActive = value
case "TCPFastOpenActiveFail":
procNetstat.TcpExt.TCPFastOpenActiveFail = value
case "TCPFastOpenPassive":
procNetstat.TcpExt.TCPFastOpenPassive = value
case "TCPFastOpenPassiveFail":
procNetstat.TcpExt.TCPFastOpenPassiveFail = value
case "TCPFastOpenListenOverflow":
procNetstat.TcpExt.TCPFastOpenListenOverflow = value
case "TCPFastOpenCookieReqd":
procNetstat.TcpExt.TCPFastOpenCookieReqd = value
case "TCPFastOpenBlackhole":
procNetstat.TcpExt.TCPFastOpenBlackhole = value
case "TCPSpuriousRtxHostQueues":
procNetstat.TcpExt.TCPSpuriousRtxHostQueues = value
case "BusyPollRxPackets":
procNetstat.TcpExt.BusyPollRxPackets = value
case "TCPAutoCorking":
procNetstat.TcpExt.TCPAutoCorking = value
case "TCPFromZeroWindowAdv":
procNetstat.TcpExt.TCPFromZeroWindowAdv = value
case "TCPToZeroWindowAdv":
procNetstat.TcpExt.TCPToZeroWindowAdv = value
case "TCPWantZeroWindowAdv":
procNetstat.TcpExt.TCPWantZeroWindowAdv = value
case "TCPSynRetrans":
procNetstat.TcpExt.TCPSynRetrans = value
case "TCPOrigDataSent":
procNetstat.TcpExt.TCPOrigDataSent = value
case "TCPHystartTrainDetect":
procNetstat.TcpExt.TCPHystartTrainDetect = value
case "TCPHystartTrainCwnd":
procNetstat.TcpExt.TCPHystartTrainCwnd = value
case "TCPHystartDelayDetect":
procNetstat.TcpExt.TCPHystartDelayDetect = value
case "TCPHystartDelayCwnd":
procNetstat.TcpExt.TCPHystartDelayCwnd = value
case "TCPACKSkippedSynRecv":
procNetstat.TcpExt.TCPACKSkippedSynRecv = value
case "TCPACKSkippedPAWS":
procNetstat.TcpExt.TCPACKSkippedPAWS = value
case "TCPACKSkippedSeq":
procNetstat.TcpExt.TCPACKSkippedSeq = value
case "TCPACKSkippedFinWait2":
procNetstat.TcpExt.TCPACKSkippedFinWait2 = value
case "TCPACKSkippedTimeWait":
procNetstat.TcpExt.TCPACKSkippedTimeWait = value
case "TCPACKSkippedChallenge":
procNetstat.TcpExt.TCPACKSkippedChallenge = value
case "TCPWinProbe":
procNetstat.TcpExt.TCPWinProbe = value
case "TCPKeepAlive":
procNetstat.TcpExt.TCPKeepAlive = value
case "TCPMTUPFail":
procNetstat.TcpExt.TCPMTUPFail = value
case "TCPMTUPSuccess":
procNetstat.TcpExt.TCPMTUPSuccess = value
case "TCPWqueueTooBig":
procNetstat.TcpExt.TCPWqueueTooBig = value
}
case "IpExt":
switch key {
case "InNoRoutes":
procNetstat.IpExt.InNoRoutes = value
case "InTruncatedPkts":
procNetstat.IpExt.InTruncatedPkts = value
case "InMcastPkts":
procNetstat.IpExt.InMcastPkts = value
case "OutMcastPkts":
procNetstat.IpExt.OutMcastPkts = value
case "InBcastPkts":
procNetstat.IpExt.InBcastPkts = value
case "OutBcastPkts":
procNetstat.IpExt.OutBcastPkts = value
case "InOctets":
procNetstat.IpExt.InOctets = value
case "OutOctets":
procNetstat.IpExt.OutOctets = value
case "InMcastOctets":
procNetstat.IpExt.InMcastOctets = value
case "OutMcastOctets":
procNetstat.IpExt.OutMcastOctets = value
case "InBcastOctets":
procNetstat.IpExt.InBcastOctets = value
case "OutBcastOctets":
procNetstat.IpExt.OutBcastOctets = value
case "InCsumErrors":
procNetstat.IpExt.InCsumErrors = value
case "InNoECTPkts":
procNetstat.IpExt.InNoECTPkts = value
case "InECT1Pkts":
procNetstat.IpExt.InECT1Pkts = value
case "InECT0Pkts":
procNetstat.IpExt.InECT0Pkts = value
case "InCEPkts":
procNetstat.IpExt.InCEPkts = value
case "ReasmOverlaps":
procNetstat.IpExt.ReasmOverlaps = value
}
}
}
}
return procNetstat, scanner.Err()
}