1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
|
// 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()
}
|
