PowerShell/scripts/ping-host.ps1
2024-03-23 11:57:48 +01:00

73 lines
2.2 KiB
PowerShell

<#
.SYNOPSIS
Ping a host continuously
.DESCRIPTION
This PowerShell script pings the given host continously and shows the roundtrip times in a horizontal chart.
.PARAMETER hostname
Specifies the hostname or IP address of the host to ping (windows.com by default)
.PARAMETER timeInterval
Specifies the time interval in milliseconds to repeat the ping (1000 by default)
.EXAMPLE
PS> ./ping-host.ps1
Ping roundtrip times of host windows.com:
██████████████ 136ms
████████████████ 154ms
█████████████████████████ 234ms
...
.LINK
https://github.com/fleschutz/PowerShell
.NOTES
Author: Markus Fleschutz | License: CC0
#>
param([string]$hostname = "windows.com", [int]$timeInterval = 1000)
function GetPingLatency([string]$hostname) {
$hostsArray = $hostname.Split(",")
$parallelTasks = $hostsArray | foreach {
(New-Object Net.NetworkInformation.Ping).SendPingAsync($_,1000)
}
[Threading.Tasks.Task]::WaitAll($parallelTasks)
foreach($ping in $parallelTasks.Result) {
if ($ping.Status -eq "Success") { return $ping.RoundtripTime }
}
return 1000.0
}
function WriteChartLine { param([float]$value, [float]$maxValue, [string]$text)
$num = ($value * 110.0) / $maxValue
while ($num -ge 1.0) {
Write-Host -noNewLine ""
$num -= 1.0
}
if ($num -ge 0.875) {
Write-Host -noNewLine ""
} elseif ($num -ge 0.75) {
Write-Host -noNewLine ""
} elseif ($num -ge 0.625) {
Write-Host -noNewLine ""
} elseif ($num -ge 0.5) {
Write-Host -noNewLine ""
} elseif ($num -ge 0.375) {
Write-Host -noNewLine ""
} elseif ($num -ge 0.25) {
Write-Host -noNewLine ""
} elseif ($num -ge 0.125) {
Write-Host -noNewLine ""
}
Write-Host " $text"
}
try {
Write-Output "`nPing roundtrip times of host $($hostname):"
do {
[float]$latency = GetPingLatency $hostname
WriteChartLine $latency 1000.0 "$($latency)ms"
Start-Sleep -Milliseconds $timeInterval
} while($true)
exit 0 # success
} catch {
"⚠️ Error in line $($_.InvocationInfo.ScriptLineNumber): $($Error[0])"
exit 1
}