$global:LDPlayerPath ="C:\Ldplayer\LDplayer9" 

function logger($logMessage) {
    [int]$number = (get-content -path "$global:LDPlayerPath\index_count.txt")
    if($number -gt 21){ $number=0}
    $instanceList = Get-Content -Path "$global:LDPlayerPath\instanceList.txt"
    #$instanceNumber = $instanceList[$number]
    #$instanceData = (cat C:\Ldplayer\LDplayer9\vms\config\leidian${instanceNumber}.config)
    #$convertedData = $instanceData | ConvertFrom-Json
    foreach ( $inst in $instanceList) {
    $instanceData = (cat C:\Ldplayer\LDplayer9\vms\config\leidian${inst}.config)
    $convertedData = $instanceData | ConvertFrom-Json
    $name = $convertedData."statusSettings.playerName"
    if ($global:instanceNameglobal -eq $name){ 
        $count = $inst
        break
        }
    }
    #if(-not $instanceName){$name = $convertedData."statusSettings.playerName"}
    #$count = $number+1

    $scriptName = Split-Path -Leaf $PSCommandPath
    $timestamp = Get-Date -Format "yyyy-MM-dd HH:mm:ss.fff"
    $timestampedLogMessage = $timestamp + " ${global:instanceNameglobal} -instanceID: ${count} -${scriptName} -PID: ${PID}-:" + $logMessage
    #$timestampedLogMessage
    $logFilePath = "$global:LDPlayerPath\LDAutoLog.txt"
    $fs = New-Object System.IO.FileStream($logFilePath, [System.IO.FileMode]::Append, [System.IO.FileAccess]::Write, [System.IO.FileShare]::Read)
    $sw = New-Object System.IO.StreamWriter($fs)
    try {
        $sw.WriteLine($timestampedLogMessage)
        } finally {
            $sw.Close()
            $fs.Close()
        }
    }


while($true)
{
    if(Test-Path "C:\Ldplayer\Ldplayer9\launchNow.txt"){
    $shouldLaunch = cat C:\Ldplayer\Ldplayer9\launchNow.txt
    $out = cmd /c "$shouldLaunch"
    logger("Received and ran launch command $shouldLaunch")
    logger("$out")
    rm C:\Ldplayer\Ldplayer9\launchNow.txt
    }
    if(Test-Path "C:\Ldplayer\Ldplayer9\launchName.txt"){
    $shouldLaunchName = cat C:\Ldplayer\Ldplayer9\launchName.txt
    $out = cmd /c "$shouldLaunchName"
    logger("Received and ran launch command $shouldLaunchName")
    logger("$out")
    rm C:\Ldplayer\Ldplayer9\launchName.txt
    }
    if(Test-Path "C:\Ldplayer\Ldplayer9\CloseNow.txt") {
        $shouldClose = cat C:\Ldplayer\Ldplayer9\CloseNow.txt
    cmd /c "$shouldClose"
    logger("Closed $shouldClose")
    rm C:\Ldplayer\Ldplayer9\CloseNow.txt
    }
    if(Test-Path "C:\Ldplayer\Ldplayer9\CloseName.txt") {
        $shouldCloseName = cat C:\Ldplayer\Ldplayer9\CloseName.txt
        $instanceName=$shouldCloseName.Split(' ')[-1]
    cmd /c "$shouldCloseName"
    logger("Closed $shouldCloseName")
    rm C:\Ldplayer\Ldplayer9\CloseName.txt
    $instanceList = Get-Content -Path "$global:LDPlayerPath\instanceList.txt"
foreach ( $inst in $instanceList) {
    $filename = "C:\Ldplayer\LDplayer9\vms\config\leidian${inst}.config"
    $instanceData = (cat C:\Ldplayer\LDplayer9\vms\config\leidian${inst}.config)
    $convertedData = $instanceData | ConvertFrom-Json
    $name = $convertedData."statusSettings.playerName"
    if ($instanceName -eq $name){ 
        $count = $inst
        $c=$instanceData
        if (($newC=$c -replace '"networkSettings.networkAddress": "10.0.211.125",', '"networkSettings.networkAddress": "10.0.211.121",') -ne $c) { 
            $newC | Set-Content $filename
            logger("changed IP back to 10.0.211.121 for $name")
            logger(cat $filename | Select-String -Pattern "10.0.211.121")
        }
        break
        }
    }
    }

    start-sleep -Milliseconds 500
}