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backfeed/vendor/github.com/prometheus/procfs/proc_netstat.go

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  1. // Copyright 2022 The Prometheus Authors

  2. // Licensed under the Apache License, Version 2.0 (the "License");

  3. // you may not use this file except in compliance with the License.

  4. // You may obtain a copy of the License at

  5. //

  6. // http://www.apache.org/licenses/LICENSE-2.0

  7. //

  8. // Unless required by applicable law or agreed to in writing, software

  9. // distributed under the License is distributed on an "AS IS" BASIS,

  10. // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.

  11. // See the License for the specific language governing permissions and

  12. // limitations under the License.

  13. 

  14. package procfs

  15. 

  16. import (

  17. 	"bufio"

  18. 	"bytes"

  19. 	"fmt"

  20. 	"io"

  21. 	"strconv"

  22. 	"strings"

  23. 

  24. 	"github.com/prometheus/procfs/internal/util"

  25. )

  26. 

  27. // ProcNetstat models the content of /proc/<pid>/net/netstat.

  28. type ProcNetstat struct {

  29. 	// The process ID.

  30. 	PID int

  31. 	TcpExt

  32. 	IpExt

  33. }

  34. 

  35. type TcpExt struct { // nolint:revive

  36. 	SyncookiesSent            *float64

  37. 	SyncookiesRecv            *float64

  38. 	SyncookiesFailed          *float64

  39. 	EmbryonicRsts             *float64

  40. 	PruneCalled               *float64

  41. 	RcvPruned                 *float64

  42. 	OfoPruned                 *float64

  43. 	OutOfWindowIcmps          *float64

  44. 	LockDroppedIcmps          *float64

  45. 	ArpFilter                 *float64

  46. 	TW                        *float64

  47. 	TWRecycled                *float64

  48. 	TWKilled                  *float64

  49. 	PAWSActive                *float64

  50. 	PAWSEstab                 *float64

  51. 	DelayedACKs               *float64

  52. 	DelayedACKLocked          *float64

  53. 	DelayedACKLost            *float64

  54. 	ListenOverflows           *float64

  55. 	ListenDrops               *float64

  56. 	TCPHPHits                 *float64

  57. 	TCPPureAcks               *float64

  58. 	TCPHPAcks                 *float64

  59. 	TCPRenoRecovery           *float64

  60. 	TCPSackRecovery           *float64

  61. 	TCPSACKReneging           *float64

  62. 	TCPSACKReorder            *float64

  63. 	TCPRenoReorder            *float64

  64. 	TCPTSReorder              *float64

  65. 	TCPFullUndo               *float64

  66. 	TCPPartialUndo            *float64

  67. 	TCPDSACKUndo              *float64

  68. 	TCPLossUndo               *float64

  69. 	TCPLostRetransmit         *float64

  70. 	TCPRenoFailures           *float64

  71. 	TCPSackFailures           *float64

  72. 	TCPLossFailures           *float64

  73. 	TCPFastRetrans            *float64

  74. 	TCPSlowStartRetrans       *float64

  75. 	TCPTimeouts               *float64

  76. 	TCPLossProbes             *float64

  77. 	TCPLossProbeRecovery      *float64

  78. 	TCPRenoRecoveryFail       *float64

  79. 	TCPSackRecoveryFail       *float64

  80. 	TCPRcvCollapsed           *float64

  81. 	TCPDSACKOldSent           *float64

  82. 	TCPDSACKOfoSent           *float64

  83. 	TCPDSACKRecv              *float64

  84. 	TCPDSACKOfoRecv           *float64

  85. 	TCPAbortOnData            *float64

  86. 	TCPAbortOnClose           *float64

  87. 	TCPAbortOnMemory          *float64

  88. 	TCPAbortOnTimeout         *float64

  89. 	TCPAbortOnLinger          *float64

  90. 	TCPAbortFailed            *float64

  91. 	TCPMemoryPressures        *float64

  92. 	TCPMemoryPressuresChrono  *float64

  93. 	TCPSACKDiscard            *float64

  94. 	TCPDSACKIgnoredOld        *float64

  95. 	TCPDSACKIgnoredNoUndo     *float64

  96. 	TCPSpuriousRTOs           *float64

  97. 	TCPMD5NotFound            *float64

  98. 	TCPMD5Unexpected          *float64

  99. 	TCPMD5Failure             *float64

  100. 	TCPSackShifted            *float64

  101. 	TCPSackMerged             *float64

  102. 	TCPSackShiftFallback      *float64

  103. 	TCPBacklogDrop            *float64

  104. 	PFMemallocDrop            *float64

  105. 	TCPMinTTLDrop             *float64

  106. 	TCPDeferAcceptDrop        *float64

  107. 	IPReversePathFilter       *float64

  108. 	TCPTimeWaitOverflow       *float64

  109. 	TCPReqQFullDoCookies      *float64

  110. 	TCPReqQFullDrop           *float64

  111. 	TCPRetransFail            *float64

  112. 	TCPRcvCoalesce            *float64

  113. 	TCPRcvQDrop               *float64

  114. 	TCPOFOQueue               *float64

  115. 	TCPOFODrop                *float64

  116. 	TCPOFOMerge               *float64

  117. 	TCPChallengeACK           *float64

  118. 	TCPSYNChallenge           *float64

  119. 	TCPFastOpenActive         *float64

  120. 	TCPFastOpenActiveFail     *float64

  121. 	TCPFastOpenPassive        *float64

  122. 	TCPFastOpenPassiveFail    *float64

  123. 	TCPFastOpenListenOverflow *float64

  124. 	TCPFastOpenCookieReqd     *float64

  125. 	TCPFastOpenBlackhole      *float64

  126. 	TCPSpuriousRtxHostQueues  *float64

  127. 	BusyPollRxPackets         *float64

  128. 	TCPAutoCorking            *float64

  129. 	TCPFromZeroWindowAdv      *float64

  130. 	TCPToZeroWindowAdv        *float64

  131. 	TCPWantZeroWindowAdv      *float64

  132. 	TCPSynRetrans             *float64

  133. 	TCPOrigDataSent           *float64

  134. 	TCPHystartTrainDetect     *float64

  135. 	TCPHystartTrainCwnd       *float64

  136. 	TCPHystartDelayDetect     *float64

  137. 	TCPHystartDelayCwnd       *float64

  138. 	TCPACKSkippedSynRecv      *float64

  139. 	TCPACKSkippedPAWS         *float64

  140. 	TCPACKSkippedSeq          *float64

  141. 	TCPACKSkippedFinWait2     *float64

  142. 	TCPACKSkippedTimeWait     *float64

  143. 	TCPACKSkippedChallenge    *float64

  144. 	TCPWinProbe               *float64

  145. 	TCPKeepAlive              *float64

  146. 	TCPMTUPFail               *float64

  147. 	TCPMTUPSuccess            *float64

  148. 	TCPWqueueTooBig           *float64

  149. }

  150. 

  151. type IpExt struct { // nolint:revive

  152. 	InNoRoutes      *float64

  153. 	InTruncatedPkts *float64

  154. 	InMcastPkts     *float64

  155. 	OutMcastPkts    *float64

  156. 	InBcastPkts     *float64

  157. 	OutBcastPkts    *float64

  158. 	InOctets        *float64

  159. 	OutOctets       *float64

  160. 	InMcastOctets   *float64

  161. 	OutMcastOctets  *float64

  162. 	InBcastOctets   *float64

  163. 	OutBcastOctets  *float64

  164. 	InCsumErrors    *float64

  165. 	InNoECTPkts     *float64

  166. 	InECT1Pkts      *float64

  167. 	InECT0Pkts      *float64

  168. 	InCEPkts        *float64

  169. 	ReasmOverlaps   *float64

  170. }

  171. 

  172. func (p Proc) Netstat() (ProcNetstat, error) {

  173. 	filename := p.path("net/netstat")

  174. 	data, err := util.ReadFileNoStat(filename)

  175. 	if err != nil {

  176. 		return ProcNetstat{PID: p.PID}, err

  177. 	}

  178. 	procNetstat, err := parseProcNetstat(bytes.NewReader(data), filename)

  179. 	procNetstat.PID = p.PID

  180. 	return procNetstat, err

  181. }

  182. 

  183. // parseProcNetstat parses the metrics from proc/<pid>/net/netstat file

  184. // and returns a ProcNetstat structure.

  185. func parseProcNetstat(r io.Reader, fileName string) (ProcNetstat, error) {

  186. 	var (

  187. 		scanner     = bufio.NewScanner(r)

  188. 		procNetstat = ProcNetstat{}

  189. 	)

  190. 

  191. 	for scanner.Scan() {

  192. 		nameParts := strings.Split(scanner.Text(), " ")

  193. 		scanner.Scan()

  194. 		valueParts := strings.Split(scanner.Text(), " ")

  195. 		// Remove trailing :.

  196. 		protocol := strings.TrimSuffix(nameParts[0], ":")

  197. 		if len(nameParts) != len(valueParts) {

  198. 			return procNetstat, fmt.Errorf("mismatch field count mismatch in %s: %s",

  199. 				fileName, protocol)

  200. 		}

  201. 		for i := 1; i < len(nameParts); i++ {

  202. 			value, err := strconv.ParseFloat(valueParts[i], 64)

  203. 			if err != nil {

  204. 				return procNetstat, err

  205. 			}

  206. 			key := nameParts[i]

  207. 

  208. 			switch protocol {

  209. 			case "TcpExt":

  210. 				switch key {

  211. 				case "SyncookiesSent":

  212. 					procNetstat.TcpExt.SyncookiesSent = &value

  213. 				case "SyncookiesRecv":

  214. 					procNetstat.TcpExt.SyncookiesRecv = &value

  215. 				case "SyncookiesFailed":

  216. 					procNetstat.TcpExt.SyncookiesFailed = &value

  217. 				case "EmbryonicRsts":

  218. 					procNetstat.TcpExt.EmbryonicRsts = &value

  219. 				case "PruneCalled":

  220. 					procNetstat.TcpExt.PruneCalled = &value

  221. 				case "RcvPruned":

  222. 					procNetstat.TcpExt.RcvPruned = &value

  223. 				case "OfoPruned":

  224. 					procNetstat.TcpExt.OfoPruned = &value

  225. 				case "OutOfWindowIcmps":

  226. 					procNetstat.TcpExt.OutOfWindowIcmps = &value

  227. 				case "LockDroppedIcmps":

  228. 					procNetstat.TcpExt.LockDroppedIcmps = &value

  229. 				case "ArpFilter":

  230. 					procNetstat.TcpExt.ArpFilter = &value

  231. 				case "TW":

  232. 					procNetstat.TcpExt.TW = &value

  233. 				case "TWRecycled":

  234. 					procNetstat.TcpExt.TWRecycled = &value

  235. 				case "TWKilled":

  236. 					procNetstat.TcpExt.TWKilled = &value

  237. 				case "PAWSActive":

  238. 					procNetstat.TcpExt.PAWSActive = &value

  239. 				case "PAWSEstab":

  240. 					procNetstat.TcpExt.PAWSEstab = &value

  241. 				case "DelayedACKs":

  242. 					procNetstat.TcpExt.DelayedACKs = &value

  243. 				case "DelayedACKLocked":

  244. 					procNetstat.TcpExt.DelayedACKLocked = &value

  245. 				case "DelayedACKLost":

  246. 					procNetstat.TcpExt.DelayedACKLost = &value

  247. 				case "ListenOverflows":

  248. 					procNetstat.TcpExt.ListenOverflows = &value

  249. 				case "ListenDrops":

  250. 					procNetstat.TcpExt.ListenDrops = &value

  251. 				case "TCPHPHits":

  252. 					procNetstat.TcpExt.TCPHPHits = &value

  253. 				case "TCPPureAcks":

  254. 					procNetstat.TcpExt.TCPPureAcks = &value

  255. 				case "TCPHPAcks":

  256. 					procNetstat.TcpExt.TCPHPAcks = &value

  257. 				case "TCPRenoRecovery":

  258. 					procNetstat.TcpExt.TCPRenoRecovery = &value

  259. 				case "TCPSackRecovery":

  260. 					procNetstat.TcpExt.TCPSackRecovery = &value

  261. 				case "TCPSACKReneging":

  262. 					procNetstat.TcpExt.TCPSACKReneging = &value

  263. 				case "TCPSACKReorder":

  264. 					procNetstat.TcpExt.TCPSACKReorder = &value

  265. 				case "TCPRenoReorder":

  266. 					procNetstat.TcpExt.TCPRenoReorder = &value

  267. 				case "TCPTSReorder":

  268. 					procNetstat.TcpExt.TCPTSReorder = &value

  269. 				case "TCPFullUndo":

  270. 					procNetstat.TcpExt.TCPFullUndo = &value

  271. 				case "TCPPartialUndo":

  272. 					procNetstat.TcpExt.TCPPartialUndo = &value

  273. 				case "TCPDSACKUndo":

  274. 					procNetstat.TcpExt.TCPDSACKUndo = &value

  275. 				case "TCPLossUndo":

  276. 					procNetstat.TcpExt.TCPLossUndo = &value

  277. 				case "TCPLostRetransmit":

  278. 					procNetstat.TcpExt.TCPLostRetransmit = &value

  279. 				case "TCPRenoFailures":

  280. 					procNetstat.TcpExt.TCPRenoFailures = &value

  281. 				case "TCPSackFailures":

  282. 					procNetstat.TcpExt.TCPSackFailures = &value

  283. 				case "TCPLossFailures":

  284. 					procNetstat.TcpExt.TCPLossFailures = &value

  285. 				case "TCPFastRetrans":

  286. 					procNetstat.TcpExt.TCPFastRetrans = &value

  287. 				case "TCPSlowStartRetrans":

  288. 					procNetstat.TcpExt.TCPSlowStartRetrans = &value

  289. 				case "TCPTimeouts":

  290. 					procNetstat.TcpExt.TCPTimeouts = &value

  291. 				case "TCPLossProbes":

  292. 					procNetstat.TcpExt.TCPLossProbes = &value

  293. 				case "TCPLossProbeRecovery":

  294. 					procNetstat.TcpExt.TCPLossProbeRecovery = &value

  295. 				case "TCPRenoRecoveryFail":

  296. 					procNetstat.TcpExt.TCPRenoRecoveryFail = &value

  297. 				case "TCPSackRecoveryFail":

  298. 					procNetstat.TcpExt.TCPSackRecoveryFail = &value

  299. 				case "TCPRcvCollapsed":

  300. 					procNetstat.TcpExt.TCPRcvCollapsed = &value

  301. 				case "TCPDSACKOldSent":

  302. 					procNetstat.TcpExt.TCPDSACKOldSent = &value

  303. 				case "TCPDSACKOfoSent":

  304. 					procNetstat.TcpExt.TCPDSACKOfoSent = &value

  305. 				case "TCPDSACKRecv":

  306. 					procNetstat.TcpExt.TCPDSACKRecv = &value

  307. 				case "TCPDSACKOfoRecv":

  308. 					procNetstat.TcpExt.TCPDSACKOfoRecv = &value

  309. 				case "TCPAbortOnData":

  310. 					procNetstat.TcpExt.TCPAbortOnData = &value

  311. 				case "TCPAbortOnClose":

  312. 					procNetstat.TcpExt.TCPAbortOnClose = &value

  313. 				case "TCPDeferAcceptDrop":

  314. 					procNetstat.TcpExt.TCPDeferAcceptDrop = &value

  315. 				case "IPReversePathFilter":

  316. 					procNetstat.TcpExt.IPReversePathFilter = &value

  317. 				case "TCPTimeWaitOverflow":

  318. 					procNetstat.TcpExt.TCPTimeWaitOverflow = &value

  319. 				case "TCPReqQFullDoCookies":

  320. 					procNetstat.TcpExt.TCPReqQFullDoCookies = &value

  321. 				case "TCPReqQFullDrop":

  322. 					procNetstat.TcpExt.TCPReqQFullDrop = &value

  323. 				case "TCPRetransFail":

  324. 					procNetstat.TcpExt.TCPRetransFail = &value

  325. 				case "TCPRcvCoalesce":

  326. 					procNetstat.TcpExt.TCPRcvCoalesce = &value

  327. 				case "TCPRcvQDrop":

  328. 					procNetstat.TcpExt.TCPRcvQDrop = &value

  329. 				case "TCPOFOQueue":

  330. 					procNetstat.TcpExt.TCPOFOQueue = &value

  331. 				case "TCPOFODrop":

  332. 					procNetstat.TcpExt.TCPOFODrop = &value

  333. 				case "TCPOFOMerge":

  334. 					procNetstat.TcpExt.TCPOFOMerge = &value

  335. 				case "TCPChallengeACK":

  336. 					procNetstat.TcpExt.TCPChallengeACK = &value

  337. 				case "TCPSYNChallenge":

  338. 					procNetstat.TcpExt.TCPSYNChallenge = &value

  339. 				case "TCPFastOpenActive":

  340. 					procNetstat.TcpExt.TCPFastOpenActive = &value

  341. 				case "TCPFastOpenActiveFail":

  342. 					procNetstat.TcpExt.TCPFastOpenActiveFail = &value

  343. 				case "TCPFastOpenPassive":

  344. 					procNetstat.TcpExt.TCPFastOpenPassive = &value

  345. 				case "TCPFastOpenPassiveFail":

  346. 					procNetstat.TcpExt.TCPFastOpenPassiveFail = &value

  347. 				case "TCPFastOpenListenOverflow":

  348. 					procNetstat.TcpExt.TCPFastOpenListenOverflow = &value

  349. 				case "TCPFastOpenCookieReqd":

  350. 					procNetstat.TcpExt.TCPFastOpenCookieReqd = &value

  351. 				case "TCPFastOpenBlackhole":

  352. 					procNetstat.TcpExt.TCPFastOpenBlackhole = &value

  353. 				case "TCPSpuriousRtxHostQueues":

  354. 					procNetstat.TcpExt.TCPSpuriousRtxHostQueues = &value

  355. 				case "BusyPollRxPackets":

  356. 					procNetstat.TcpExt.BusyPollRxPackets = &value

  357. 				case "TCPAutoCorking":

  358. 					procNetstat.TcpExt.TCPAutoCorking = &value

  359. 				case "TCPFromZeroWindowAdv":

  360. 					procNetstat.TcpExt.TCPFromZeroWindowAdv = &value

  361. 				case "TCPToZeroWindowAdv":

  362. 					procNetstat.TcpExt.TCPToZeroWindowAdv = &value

  363. 				case "TCPWantZeroWindowAdv":

  364. 					procNetstat.TcpExt.TCPWantZeroWindowAdv = &value

  365. 				case "TCPSynRetrans":

  366. 					procNetstat.TcpExt.TCPSynRetrans = &value

  367. 				case "TCPOrigDataSent":

  368. 					procNetstat.TcpExt.TCPOrigDataSent = &value

  369. 				case "TCPHystartTrainDetect":

  370. 					procNetstat.TcpExt.TCPHystartTrainDetect = &value

  371. 				case "TCPHystartTrainCwnd":

  372. 					procNetstat.TcpExt.TCPHystartTrainCwnd = &value

  373. 				case "TCPHystartDelayDetect":

  374. 					procNetstat.TcpExt.TCPHystartDelayDetect = &value

  375. 				case "TCPHystartDelayCwnd":

  376. 					procNetstat.TcpExt.TCPHystartDelayCwnd = &value

  377. 				case "TCPACKSkippedSynRecv":

  378. 					procNetstat.TcpExt.TCPACKSkippedSynRecv = &value

  379. 				case "TCPACKSkippedPAWS":

  380. 					procNetstat.TcpExt.TCPACKSkippedPAWS = &value

  381. 				case "TCPACKSkippedSeq":

  382. 					procNetstat.TcpExt.TCPACKSkippedSeq = &value

  383. 				case "TCPACKSkippedFinWait2":

  384. 					procNetstat.TcpExt.TCPACKSkippedFinWait2 = &value

  385. 				case "TCPACKSkippedTimeWait":

  386. 					procNetstat.TcpExt.TCPACKSkippedTimeWait = &value

  387. 				case "TCPACKSkippedChallenge":

  388. 					procNetstat.TcpExt.TCPACKSkippedChallenge = &value

  389. 				case "TCPWinProbe":

  390. 					procNetstat.TcpExt.TCPWinProbe = &value

  391. 				case "TCPKeepAlive":

  392. 					procNetstat.TcpExt.TCPKeepAlive = &value

  393. 				case "TCPMTUPFail":

  394. 					procNetstat.TcpExt.TCPMTUPFail = &value

  395. 				case "TCPMTUPSuccess":

  396. 					procNetstat.TcpExt.TCPMTUPSuccess = &value

  397. 				case "TCPWqueueTooBig":

  398. 					procNetstat.TcpExt.TCPWqueueTooBig = &value

  399. 				}

  400. 			case "IpExt":

  401. 				switch key {

  402. 				case "InNoRoutes":

  403. 					procNetstat.IpExt.InNoRoutes = &value

  404. 				case "InTruncatedPkts":

  405. 					procNetstat.IpExt.InTruncatedPkts = &value

  406. 				case "InMcastPkts":

  407. 					procNetstat.IpExt.InMcastPkts = &value

  408. 				case "OutMcastPkts":

  409. 					procNetstat.IpExt.OutMcastPkts = &value

  410. 				case "InBcastPkts":

  411. 					procNetstat.IpExt.InBcastPkts = &value

  412. 				case "OutBcastPkts":

  413. 					procNetstat.IpExt.OutBcastPkts = &value

  414. 				case "InOctets":

  415. 					procNetstat.IpExt.InOctets = &value

  416. 				case "OutOctets":

  417. 					procNetstat.IpExt.OutOctets = &value

  418. 				case "InMcastOctets":

  419. 					procNetstat.IpExt.InMcastOctets = &value

  420. 				case "OutMcastOctets":

  421. 					procNetstat.IpExt.OutMcastOctets = &value

  422. 				case "InBcastOctets":

  423. 					procNetstat.IpExt.InBcastOctets = &value

  424. 				case "OutBcastOctets":

  425. 					procNetstat.IpExt.OutBcastOctets = &value

  426. 				case "InCsumErrors":

  427. 					procNetstat.IpExt.InCsumErrors = &value

  428. 				case "InNoECTPkts":

  429. 					procNetstat.IpExt.InNoECTPkts = &value

  430. 				case "InECT1Pkts":

  431. 					procNetstat.IpExt.InECT1Pkts = &value

  432. 				case "InECT0Pkts":

  433. 					procNetstat.IpExt.InECT0Pkts = &value

  434. 				case "InCEPkts":

  435. 					procNetstat.IpExt.InCEPkts = &value

  436. 				case "ReasmOverlaps":

  437. 					procNetstat.IpExt.ReasmOverlaps = &value

  438. 				}

  439. 			}

  440. 		}

  441. 	}

  442. 	return procNetstat, scanner.Err()

  443. }