443 lines
15 KiB
Go
443 lines
15 KiB
Go
// 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
|
|
TCPRcvQDrop *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 := parseProcNetstat(bytes.NewReader(data), filename)
|
|
procNetstat.PID = p.PID
|
|
return procNetstat, err
|
|
}
|
|
|
|
// parseProcNetstat parses the metrics from proc/<pid>/net/netstat file
|
|
// and returns a ProcNetstat structure.
|
|
func parseProcNetstat(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("%w: mismatch field count mismatch in %s: %s",
|
|
ErrFileParse, 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 "TCPRcvQDrop":
|
|
procNetstat.TcpExt.TCPRcvQDrop = &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()
|
|
}
|