internal async Task <NuGetService> StartService(ServiceDefinition service)
{
// Create a full service name
var name = new ServiceName(Description.InstanceName, service.Name);
// Initialize the serice, create the necessary IoC components and construct the instance.
ServicePlatformEventSource.Log.ServiceInitializing(name);
ILifetimeScope scope = null;
NuGetService instance;
try
{
// Resolve the service
instance = _container.ResolveNamed <NuGetService>(
service.Name,
new NamedParameter("name", name));
// Construct a scope with the service
scope = _container.BeginLifetimeScope(builder =>
{
builder.RegisterInstance(instance)
.As <NuGetService>()
.As(service.Type);
// Add the container itself to the container
builder.Register(c => scope)
.As <ILifetimeScope>()
.SingleInstance();
// Add components provided by the service
instance.RegisterComponents(builder);
});
}
catch (Exception ex)
{
ServicePlatformEventSource.Log.ServiceInitializationFailed(name, ex);
throw;
}
// Because of the "throw" in the catch block, we won't arrive here unless successful
ServicePlatformEventSource.Log.ServiceInitialized(name);
// Start the service and return it if the start succeeds.
ServicePlatformEventSource.Log.ServiceStarting(name);
bool result = false;
try
{
Starting(instance);
result = await instance.Start(scope);
Started(instance);
}
catch (Exception ex)
{
ServicePlatformEventSource.Log.ServiceStartupFailed(name, ex);
throw;
}
// Because of the "throw" in the catch block, we won't arrive here unless successful
ServicePlatformEventSource.Log.ServiceStarted(name);
if (result)
{
return(instance);
}
return(null);
}
public TestServiceWithComponents(ServiceName name, ServiceHost host) : base(name, host)
{
}