param(
  [string]$logfile = "$env:temp\bom_ephemeralportstat.log"
)
if (Test-Path($logfile)) {
  $ret = [int]((Select-String "Established" $logfile).Line -Replace "\D","")
  $ret += [int]((Select-String "CloseWait" $logfile).Line -Replace "\D","")
  return $ret
} else {
  return "Error: no monitoring data."
}
# Or Perfmon Counter TCPv4/TCPv6\Connections Established