Auto Restart Folding@Home

auto-restart-fah.ps1

<#

Name:        Auto Restart Folding@Home
Author:      Bryan Vine
Date:        3/25/2020

Description: Automatically restarts the local Folding @ Home client while cleaning out existing work to reset the connection countdown timer based on CPU & GPU usage.

Link:        https://www.bryanvine.com/2020/03/covid-19-finding-cure-with-foldinghome.html


#>


#Requires -Version 3.0

$restart_counter = 1

#Loop forever
while($true){

    $CPU_usage = (Get-Counter '\Processor(_Total)\% Processor Time').countersamples.cookedvalue

    $GPU_usage = (Get-Counter -Counter "\GPU Engine(*)\Utilization Percentage").countersamples.cookedvalue | sort -Descending | select -first 1
    
    "$(Get-Date) - CPU usage: $([math]::Round($CPU_usage,0))%, GPU usage: $([math]::Round($GPU_usage,0))%"

    #Resets if CPU or GPU are under 20%
    if($CPU_usage -lt 20 -or $GPU_usage -lt 20){
        "CPU and GPU idle, restarting F@H for the $restart_counter time"
        $restart_counter++
        if(Get-Service -name "*Folding@Home*"){
            Get-Service -name "*Folding@Home*" | Stop-Service -Verbose
        }else{
            Get-Process -Name FAHClient -ErrorAction SilentlyContinue| Stop-Process -Verbose
        }
        Start-Sleep -Seconds 3
        Push-Location
        if(!(dir "C:\Users\$($env:USERNAME)\AppData\Roaming\FAHClient\work\" -directory)){
            Remove-Item "C:\Users\$($env:USERNAME)\AppData\Roaming\FAHClient\work\client.db*" -Force -Verbose
        }
        if(Get-Service -name "*Folding@Home*"){
            Get-Service -name "*Folding@Home*" | Start-Service -Verbose
            Write-Verbose "Started FAHClient Service" -Verbose
        }else{
            cd "C:\Users\$($env:USERNAME)\AppData\Roaming\FAHClient"
            . "C:\Program Files (x86)\FAHClient\HideConsole.exe" "C:\Program Files (x86)\FAHClient\FAHClient.exe" 
            Write-Verbose "Started FAHClient" -Verbose
        }
        Pop-Location
    }

    #wait 5 minutes
    Start-Sleep -Seconds 300

}