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netstat.go
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netstat.go
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package funcs
import (
"github.com/signmem/falcon-plus/common/model"
"github.com/toolkits/nux"
"log"
)
var USES = map[string]struct{}{
"PruneCalled": {},
"LockDroppedIcmps": {},
"ArpFilter": {},
"TW": {},
"DelayedACKLocked": {},
"ListenOverflows": {},
"ListenDrops": {},
"TCPPrequeueDropped": {},
"TCPTSReorder": {},
"TCPDSACKUndo": {},
"TCPLoss": {},
"TCPLostRetransmit": {},
"TCPLossFailures": {},
"TCPFastRetrans": {},
"TCPTimeouts": {},
"TCPSchedulerFailed": {},
"TCPAbortOnMemory": {},
"TCPAbortOnTimeout": {},
"TCPAbortFailed": {},
"TCPMemoryPressures": {},
"TCPSpuriousRTOs": {},
"TCPBacklogDrop": {},
"TCPMinTTLDrop": {},
}
func NetstatMetrics() (L []*model.MetricValue) {
tcpExts, err := nux.Netstat("TcpExt")
if err != nil {
log.Println("NetstatMetrics() error", err)
return
}
cnt := len(tcpExts)
if cnt == 0 {
return
}
for key, val := range tcpExts {
if _, ok := USES[key]; !ok {
continue
}
L = append(L, CounterValue("TcpExt."+key, val))
}
return
}