How to restart process if it crashes using powershell? - powershell

Question

I'm trying to run Core Keeper Dedicated Server, everything seems fine, but from time to time CoreKeeperServer.exe crashes. So main Powershell script what launches it not tracking is it crashed or not. How do i need to modify this script, so it constantly (every 1-5 seconds or so) monitored if process still running or not, and start it again if it is? Also i want to keep "press q to exit" functionality what already included in stock script.
Stock script:
# Feel free to change these (see README), but keep in mind that changes to this file might be overwritten on update
$CoreKeeperArguments = #("-batchmode", "-logfile", "CoreKeeperServerLog.txt") + $args
$script:ckpid = $null
function Quit-CoreKeeperServer {
if ($script:ckpid -ne $null) {
taskkill /pid $ckpid.Id
Wait-Process -InputObject $ckpid
Write-Host "Stopped CoreKeeperServer.exe"
}
}
try {
if (Test-Path -Path "GameID.txt") {
Remove-Item -Path "GameID.txt"
}
$script:ckpid = Start-Process -PassThru -FilePath %0\..\CoreKeeperServer.exe -ArgumentList $CoreKeeperArguments
Write-Host "Started CoreKeeperServer.exe"
# Wait for GameID
while (!(Test-Path -Path "GameID.txt")) {
Start-Sleep -Milliseconds 100
}
Write-Host -NoNewline "Game ID: "
Get-Content "GameID.txt"
Write-Host "Press q to quit, DON'T close the window or the server process will just keep running"
While ($KeyInfo.VirtualKeyCode -eq $Null -or $KeyInfo.VirtualKeyCode -ne 81) {
$KeyInfo = $Host.UI.RawUI.ReadKey("NoEcho, IncludeKeyDown")
}
}
finally {
Quit-CoreKeeperServer
pause
}

Answer 1

Solved problem like this:
# Feel free to change these (see README), but keep in mind that changes to this file might be overwritten on update
$CoreKeeperArguments = #("-batchmode", "-logfile", "CoreKeeperServerLog.txt") + $args
$script:ckpid = $null
function Quit-CoreKeeperServer {
if ($script:ckpid -ne $null) {
taskkill /pid $ckpid.Id
Wait-Process -InputObject $ckpid
Write-Host "Stopped CoreKeeperServer.exe"
}
}
try {
if (Test-Path -Path "GameID.txt") {
Remove-Item -Path "GameID.txt"
}
$script:ckpid = Start-Process -PassThru -FilePath %0\..\CoreKeeperServer.exe -ArgumentList $CoreKeeperArguments
Write-Host "Started CoreKeeperServer.exe"
# Wait for GameID
while (!(Test-Path -Path "GameID.txt")) {
Start-Sleep -Milliseconds 100
}
Write-Host -NoNewline "Game ID: "
Get-Content "GameID.txt"
Write-Host "Server is runnig. Press CTRL + C to stop."
While ($true) {
if (-not (Get-Process -Id $ckpid.Id -ErrorAction SilentlyContinue)) {
Write-Host “Server is died restarting...”
Get-Date
$script:ckpid = Start-Process -PassThru -FilePath %0\..\CoreKeeperServer.exe -ArgumentList $CoreKeeperArguments
Write-Host "Started CoreKeeperServer.exe"
Write-Host -NoNewline "Game ID: "
Get-Content "GameID.txt"
Write-Host "Server is runnig. Press CTRL + C to stop."
sleep 1
}
}
}
finally {
Quit-CoreKeeperServer
pause
}