/// <summary>
/// Start the service
/// </summary>
public bool Start()
{
this.Starting?.Invoke(this, EventArgs.Empty);
this.m_subscriptionDefinitions = new List <SubscriptionDefinition>();
// Subscribe to the applet manager
EventHandler loaderFn = (o, e) =>
{
var retVal = new List <SubscriptionDefinition>(this.m_subscriptionDefinitions?.Count ?? 10);
var slns = ApplicationServiceContext.Current.GetService <IAppletSolutionManagerService>().Solutions.ToList();
slns.Add(new AppletSolution()
{
Meta = new AppletInfo()
{
Id = String.Empty
}
});
foreach (var s in slns)
{
var slnMgr = ApplicationServiceContext.Current.GetService <IAppletSolutionManagerService>().GetApplets(s.Meta.Id);
// Find and load all sub defn's
foreach (var am in slnMgr)
{
var definitions = am.Assets.Where(a => a.Name.StartsWith("subscription/")).Select <AppletAsset, SubscriptionDefinition>(a =>
{
using (var ms = new MemoryStream(slnMgr.RenderAssetContent(a)))
{
this.m_tracer.TraceInfo("Attempting load of {0}", a.Name);
try
{
return(SubscriptionDefinition.Load(ms));
}
catch (Exception ex)
{
this.m_tracer.TraceError("Error loading {0} : {1}", a.Name, ex);
return(null);
}
}
}).OfType <SubscriptionDefinition>();
retVal.AddRange(definitions.Where(n => !retVal.Any(a => a.Key == n.Key)));
}
}
this.m_tracer.TraceInfo("Registering applet subscriptions");
lock (m_lockObject)
{
this.m_subscriptionDefinitions.Clear();
this.m_subscriptionDefinitions.AddRange(retVal);
}
};
ApplicationServiceContext.Current.Started += (o, e) =>
{
// Collection changed handler
this.m_tracer.TraceInfo("Binding to change events");
var appletService = ApplicationServiceContext.Current.GetService <IAppletManagerService>();
if (appletService == null)
{
throw new InvalidOperationException("No applet manager service has been loaded!!!!");
}
ApplicationServiceContext.Current.GetService <IAppletManagerService>().Changed += loaderFn;
if ((ApplicationServiceContext.Current.GetService <IAppletManagerService>() as IDaemonService)?.IsRunning == false)
{
(ApplicationServiceContext.Current.GetService <IAppletManagerService>() as IDaemonService).Started += loaderFn;
}
else
{
loaderFn(this, EventArgs.Empty);
}
};
return(true);
}
