private void StartModule(IServerModule module)
{
// Check for any failed dependencies
var hasfailedDependecies = _dependencyManager.GetDependencyBranch(module).Dependencies
.Any(item => item.RepresentedModule.State == ServerModuleState.Failure);
// Don't try to start modules which initialization has been failed or for which dependency initializations have failed
if (module.State == ServerModuleState.Failure || hasfailedDependecies)
{
return;
}
// Now we check for any not running dependencies and start them
var awaitingDependecies = _dependencyManager.GetDependencyBranch(module).Dependencies
.Where(item => !item.RepresentedModule.State.HasFlag(ServerModuleState.Running))
.Select(item => item.RepresentedModule).ToArray();
if (awaitingDependecies.Any())
{
EnqueServiceAndStartDependencies(awaitingDependecies, module);
}
else
{
ThreadPool.QueueUserWorkItem(ExecuteModuleStart, module);
}
}
/// <summary>
/// Stop this plugin and all required dependencies
/// </summary>
/// <param name="module"></param>
public void Stop(IServerModule module)
{
if (!AvailableModules.Contains(module))
{
return;
}
// First we have to find all running modules that depend on this service
var dependingServices = _dependencyManager.GetDependencyBranch(module).Dependends.Select(item => item.RepresentedModule);
// Now we will stop all of them recursivly
foreach (var dependingService in dependingServices.Where(dependend => dependend.State.HasFlag(ServerModuleState.Running) ||
dependend.State == ServerModuleState.Starting))
{
// We will enque the service to make sure it is restarted later on
AddWaitingService(module, dependingService);
Stop(dependingService);
}
// Since stop is synchron we don't need an event
try
{
module.Stop();
}
catch
{
Console.WriteLine("Failed to stop service <{0}>", module.Name);
}
}
/// <summary>
/// Get the start dependencies of the given module.
/// </summary>
/// <param name="service">The server module for which the dependencies should be fetched.</param>
/// <returns>An amount of start dependencies for the requested module.</returns>
public IEnumerable <IServerModule> StartDependencies(IServerModule service)
{
return(_dependencyManager.GetDependencyBranch(service)?.Dependencies.Select(item => item.RepresentedModule)
?? Enumerable.Empty <IServerModule>());
}