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stats.go
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stats.go
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//-----------------------------------------------------------------------------
// Copyright (C) Microsoft. All rights reserved.
// Licensed under the MIT license.
// See LICENSE.txt file in the project root for full license information.
//-----------------------------------------------------------------------------
package main
import (
"sort"
"time"
)
type ethrNetStat struct {
netDevStats []ethrNetDevStat
tcpStats ethrTcpStat
}
type ethrNetDevStat struct {
interfaceName string
rxBytes uint64
txBytes uint64
rxPkts uint64
txPkts uint64
}
type ethrTcpStat struct {
segRetrans uint64
}
func getNetworkStats() ethrNetStat {
stats := ðrNetStat{}
getNetDevStats(stats)
sort.SliceStable(stats.netDevStats, func(i, j int) bool {
return stats.netDevStats[i].interfaceName < stats.netDevStats[j].interfaceName
})
getTcpStats(stats)
return *stats
}
func getNetDevStatDiff(curStats ethrNetDevStat, prevNetStats ethrNetStat) ethrNetDevStat {
for _, prevStats := range prevNetStats.netDevStats {
if prevStats.interfaceName != curStats.interfaceName {
continue
}
if curStats.rxBytes >= prevStats.rxBytes {
curStats.rxBytes -= prevStats.rxBytes
} else {
curStats.rxBytes += (^uint64(0) - prevStats.rxBytes)
}
if curStats.txBytes >= prevStats.txBytes {
curStats.txBytes -= prevStats.txBytes
} else {
curStats.txBytes += (^uint64(0) - prevStats.txBytes)
}
if curStats.rxPkts >= prevStats.rxPkts {
curStats.rxPkts -= prevStats.rxPkts
} else {
curStats.rxPkts += (^uint64(0) - prevStats.rxPkts)
}
if curStats.txPkts >= prevStats.txPkts {
curStats.txPkts -= prevStats.txPkts
} else {
curStats.txPkts += (^uint64(0) - prevStats.txPkts)
}
break
}
return curStats
}
var statsEnabled bool
func startStatsTimer() {
if statsEnabled {
return
}
ticker := time.NewTicker(time.Second)
statsEnabled = true
go func() {
for statsEnabled {
select {
case <-ticker.C:
emitStats()
}
}
ticker.Stop()
return
}()
}
func stopStatsTimer() {
statsEnabled = false
}
/*
func startStatsTimer(test *ethrTest) {
ticker := time.NewTicker(time.Second)
statsEnabled = true
go func() {
for statsEnabled {
select {
case <-test.done:
break
case <-ticker.C:
cPrintStats(test)
}
}
ticker.Stop()
return
}()
}
*/
/*
func emitClientStats(remote string, proto EthrProtocol, bw uint64, bwTestOn bool,
cps uint64, cpsTestOn bool, pps uint64, ppsTestOn bool, lat uint64, latTestOn bool) {
if proto == Tcp {
if bwTestOn {
if gInterval == 0 {
ui.printMsg("- - - - - - - - - - - - - - - - - - - - - - -")
ui.printMsg("[ ID] Protocol Interval Bits/s")
}
ui.printMsg("[SUM] %-5s %03d-%03d sec %7s",
protoToString(proto), gInterval, gInterval+1, bytesToRate(bw))
ui.printMsg("- - - - - - - - - - - - - - - - - - - - - - -")
} else if cpsTestOn {
if gInterval == 0 {
ui.printMsg("- - - - - - - - - - - - - - - - - - - - - - -")
ui.printMsg("Protocol Interval Conn/s")
}
ui.printMsg(" %-5s %03d-%03d sec %7s",
protoToString(proto), gInterval, gInterval+1, cpsToString(cps))
}
} else if ppsTestOn {
if gInterval == 0 {
ui.printMsg("- - - - - - - - - - - - - - - - - - - - - - -")
ui.printMsg("Protocol Interval Pkts/s")
}
ui.printMsg(" %-5s %03d-%03d sec %7s",
protoToString(proto), gInterval, gInterval+1, ppsToString(pps))
} else if proto == Http && bwTestOn {
if gInterval == 0 {
ui.printMsg("- - - - - - - - - - - - - - - - - - - - - - -")
ui.printMsg("Protocol Interval Bits/s")
}
ui.printMsg(" %-5s %03d-%03d sec %7s",
protoToString(proto), gInterval, gInterval+1, bytesToRate(bw))
}
gInterval++
}
*/
func emitStats() {
ui.emitTestResultBegin()
emitTestResults()
ui.emitTestResultEnd()
ui.emitStats(getNetworkStats())
ui.paint()
}
func emitTestResults() {
gSessionLock.RLock()
defer gSessionLock.RUnlock()
for _, k := range gSessionKeys {
v := gSessions[k]
ui.emitTestResult(v, Tcp)
ui.emitTestResult(v, Udp)
ui.emitTestResult(v, Http)
ui.emitTestResult(v, Https)
ui.emitTestResult(v, Icmp)
}
}