public async Task Execute(Action <string> output, Action <string> logError)
{
try
{
eventAggregator.PublishOnUIThread(new NestedInstallProgressEvent
{
Name = Name
});
await Task.Run(async() =>
{
try
{
output("Started MSMQ Install");
var unsupportedFeatureNames = new[]
{
"MSMQ-ADIntegration",
"MSMQ-DCOMProxy",
"MSMQ-Multicast",
"MSMQ-RoutingServer",
"MSMQ-Triggers",
};
if (MSMQFeatures.Any(p => p.State == Dism.FeatureState.EnablePending || p.State == Dism.FeatureState.DisablePending))
{
await eventAggregator.PublishOnUIThreadAsync(new RebootRequiredEvent {
Reason = "Windows requires a restart to complete a pending add or removal of an MSMQ component"
});
RebootRequired = true;
return;
}
// MSMQ-Container is not found on all OSes. Where it exists it's a pre-req for MSMQ-Server
// On Win7 DISM does not have the /All command line switch which automatically enables pre-reqs like this so we do it explicitly
var msmqCoreContainer = MSMQFeatures.SingleOrDefault(p => p.Name.Equals("MSMQ-Container"));
if (msmqCoreContainer != null)
{
if (msmqCoreContainer.State != Dism.FeatureState.Enabled && msmqCoreContainer.State != Dism.FeatureState.EnablePending)
{
if (msmqCoreContainer.EnableFeature())
{
output($"Enabling {msmqCoreContainer.DisplayName}");
}
else
{
throw new Exception($"Failed to enable '{msmqCoreContainer.DisplayName}' via Windows DISM command line");
}
}
}
var msmqServerFeature = MSMQFeatures.Single(p => p.Name.Equals("MSMQ-Server"));
if (msmqServerFeature.State != Dism.FeatureState.Enabled && msmqServerFeature.State != Dism.FeatureState.EnablePending)
{
if (msmqServerFeature.EnableFeature())
{
output($"Enabled '{msmqServerFeature.DisplayName}' via Windows DISM command line.");
}
else
{
throw new Exception($"Failed to enable '{msmqServerFeature.DisplayName}' via Windows DISM command line");
}
}
var unsupportedFeatures = MSMQFeatures.Where(p => unsupportedFeatureNames.Contains(p.Name)).ToList();
var unsupportedFeaturesInstalled = unsupportedFeatures.Where(p => p.State == Dism.FeatureState.EnablePending || p.State == Dism.FeatureState.Enabled).ToList();
if (unsupportedFeaturesInstalled.Any())
{
var featureList = string.Join("\r\n", unsupportedFeaturesInstalled.Select(p => $" - {p.DisplayName}"));
throw new Exception($"NServiceBus does not support the following Windows feature(s):\r\n{featureList}\r\nPlease remove them via Windows Add/Remove Features or DISM.exe");
}
try
{
using (var controller = new ServiceController("MSMQ"))
{
if (IsStopped(controller))
{
output("Starting MSMQ Service");
await controller.ChangeServiceStatus(ServiceControllerStatus.Running, controller.Start).ConfigureAwait(false);
output("MSMQ : OK");
}
}
}
catch (InvalidOperationException)
{
throw new Exception("Failed to start MSMQ");
}
}
catch (Exception ex)
{
logError($"{Name} failed:");
logError($"{ex}");
}
}).ConfigureAwait(false);
}
finally
{
eventAggregator.PublishOnUIThread(new NestedInstallCompleteEvent());
}
}