From b97a16d1759b785f237194581c5a0512f7a118be Mon Sep 17 00:00:00 2001
From: Niko Ehrenfeuchter <nikolaus.ehrenfeuchter@unibas.ch>
Date: Wed, 13 Dec 2017 10:39:25 +0100
Subject: [PATCH] Prevent shutdown if the service is busy.
Refers to #13
---
AutoTx-Updater/Update-Service.ps1 | 28 ++++++++++++++++++++++++++++
1 file changed, 28 insertions(+)
diff --git a/AutoTx-Updater/Update-Service.ps1 b/AutoTx-Updater/Update-Service.ps1
index 6bea491..33da4c6 100644
--- a/AutoTx-Updater/Update-Service.ps1
+++ b/AutoTx-Updater/Update-Service.ps1
@@ -46,6 +46,28 @@ function Ensure-ServiceRunning([string]$ServiceName) {
}
+function ServiceIsBusy {
+ $StatusXml = "$($InstallationPath)\status.xml"
+ try {
+ [xml]$XML = Get-Content $StatusXml -ErrorAction Stop
+ if ($XML.ServiceStatus.TransferInProgress) {
+ Return $True
+ } else {
+ Write-Verbose "Service is idle, shutdown possible."
+ Return $False
+ }
+ }
+ catch {
+ $ex = $_.Exception.Message
+ $msg = "Trying to read the service status from [$($StatusXml)] failed! "
+ $msg += "The reported error message was:`n$($ex)"
+ Send-MailReport -Subject "Error parsing status of $($ServiceName)!" `
+ -Body $msg
+ Exit
+ }
+}
+
+
function Exit-IfDirMissing([string]$DirName, [string]$Desc) {
if (Test-Path -PathType Container $DirName) {
Return
@@ -75,6 +97,12 @@ function Stop-MyService([string]$Message) {
Log-Info "$($Message) (Service already in state 'Stopped')"
Return
}
+ if (ServiceIsBusy) {
+ $msg = "*DENYING* to stop the service $($ServiceName) as it is "
+ $msg += "currently busy.`nShutdown reason was '$($Message)'."
+ Log-Info $msg
+ Exit
+ }
try {
Log-Info "$($Message) Attempting service $($ServiceName) shutdown..."
Stop-Service "$($ServiceName)" -ErrorAction Stop
--
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