/// <summary>
/// Called when the service starts.
/// </summary>
/// <param name="args">The arguments.</param>
protected override void OnStart(string[] args)
{
if (!AllowMultipleServiceStarts && !IsNewInstance)
{
return;
}
Modules = null;
var assemblyFileLocation = Assembly.GetExecutingAssembly().Location;
var assemblyFileInfo = new FileInfo(assemblyFileLocation);
var path = assemblyFileInfo.Directory?.FullName;
if (path == null)
{
return;
}
var executableDirectory = new DirectoryInfo(path);
var moduleDirectory = new DirectoryInfo(Path.Combine(executableDirectory.FullName, "Modules"));
using (var catalog = new AggregateCatalog(new DirectoryCatalog(executableDirectory.FullName)))
{
if (moduleDirectory.Exists)
{
catalog.Catalogs.Add(new DirectoryCatalog(moduleDirectory.FullName));
}
using (var container = new CompositionContainer(catalog))
{
container.ComposeParts(this);
Modules = container.GetExportedValues <IServiceModule>();
}
}
Modules?.AsParallel().ForAll(w => w.OnStartAsync(args));
}
/// <summary>
/// Called when the service stops.
/// </summary>
protected override void OnStop()
{
Modules?.AsParallel().ForAll(w => w.OnStopAsync());
}
/// <summary>
/// Called when the service is paused.
/// </summary>
protected override void OnPause()
{
Modules?.AsParallel().ForAll(w => w.OnPauseAsync());
}
/// <summary>
/// Called when service shutdown is encountered..
/// </summary>
protected override void OnShutdown()
{
Modules?.AsParallel().ForAll(w => w.OnShutdownAsync());
}
/// <summary>
/// Called when a custom command is encountered.
/// </summary>
/// <param name="command">The command code.</param>
protected override void OnCustomCommand(int command)
{
Modules?.AsParallel().ForAll(w => w.OnCustomCommandAsync(command));
}