public async Task <bool> RequestNewSession(TimeSpan SessionLength, int TimeOutSeconds = 60)
{
Console.WriteLine("Await request session");
CDO.Session NewSession = await SessionController.RequestSession(
TargetEntityID, RequestedResources.Values.ToList(), SessionLength, TimeOutSeconds);
Console.WriteLine("Done");
if (NewSession == null)
{
throw new AccessViolationException("New session was actively denied");
}
JID TargetJID = await SessionController.StartSession(NewSession.ID);
if (TargetJID == null)
{
throw new InvalidProgramException("Session failed to start");
}
if (LowlevelDataController != null)
{
LowlevelDataController.Dispose();
LowlevelDataController = null;
}
LowlevelDataController = new LWTSD.DataController(Uplink, TargetJID);
ActiveSession = NewSession;
return(true);
}
public async Task <LWTSD.DataController.DataPage> ReadData(int Page = 0)
{
if (RequestedResources.Count() == 0)
{
throw new InvalidOperationException("No requested resources");
}
if (KnownSchema != null)
{
foreach (var rkey in RequestedResources.Keys)
{
if (!KnownSchema.Resources.ContainsKey(rkey))
{
KnownSchema = null;
ActiveSession = null;
break;
}
}
}
if (ActiveSession == null || ActiveSession.SessionEndsAtUTC < DateTime.UtcNow.AddSeconds(15))
{
await RequestNewSession(new TimeSpan(1, 0, 0));
}
return(await LowlevelDataController.ReadData(KnownSchema,
RequestedResources.Keys.ToList(),
ActiveSession.ID));
}
void SessionTerminated(CDO.Session Session)
{
Console.WriteLine("Session terminated!");
if (Session.ID == ActiveSession.ID)
{
ActiveSession = null;
}
}
void SessionStarted(CDO.Session Session)
{
LWTSD.AccessTokenSession LowlevelSession = new LWTSD.AccessTokenSession();
LowlevelSession.Actor = Session.Requester;
LowlevelSession.ExpiresAtUTC = Session.SessionEndsAtUTC;
LowlevelSession.Token = Session.ID;
LowlevelSession.Rights = new List <LWTSD.ResourceAccess>();
foreach (var Res in Session.Resources)
{
LWTSD.ResourceAccess ResourceRights = new LWTSD.ResourceAccess();
ResourceRights.SupportsRead = Res.Verbs.Contains(CDO.DataVerb.GET);
ResourceRights.SupportsWrite = Res.Verbs.Contains(CDO.DataVerb.SET);
ResourceRights.Path = Res.ResourcePath;
ResourceRights.Subordinates = Res.Subordinates;
LowlevelSession.Rights.Add(ResourceRights);
}
LowlevelSource.SetAccessTokenSession(Session.Requester, LowlevelSession);
}
void SessionTerminated(CDO.Session Session)
{
LowlevelSource.RemoveAccessToken(Session.Requester, Session.ID);
}
