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