/// <summary>
/// TODO: Remove event if not called after a hour.
/// </summary>
/// <param name="listenerGuid"></param>
/// <param name="e"></param>
public void AddEvent(Guid listenerGuid, GXEvent e)
{
lock (Sessions)
{
GXSession session = GetSession(listenerGuid);
if (session != null)
{
//Check that we are not listen this client.
foreach (GXEvent e1 in session.NotifyClients)
{
if (e1.Instance == e.Instance)
{
session.NotifyClients.Remove(e1);
break;
}
}
session.NotifyClients.Add(e);
}
else
{
GXSession ses = new GXSession(e.Instance);
Sessions.Add(ses);
ses.NotifyClients.Add(e);
}
}
}
/// <summary>
/// Start listen events.
/// </summary>
/// <param name="request"></param>
/// <returns></returns>
public GXEventsRegisterResponse Post(GXEventsRegisterRequest request)
{
if (request.SessionListener.Equals(Guid.Empty) ||
request.Instance.Equals(Guid.Empty))
{
throw new Exception("Listener Guid is empty.");
}
if (request.Actions == Actions.None && request.Targets == ActionTargets.None)
{
return new GXEventsRegisterResponse();
}
IAuthSession s = this.GetSession(false);
long id = 0;
bool superAdmin = false;
Guid guid = request.DataCollectorGuid;
//Guid is set if DC is retreaving new tasks.
if (long.TryParse(s.Id, out id))
{
superAdmin = GuruxAMI.Server.GXBasicAuthProvider.IsSuperAdmin(s);
}
else
{
if (request.DataCollectorGuid.Equals(Guid.Empty))
{
throw new Exception("Data collector Guid is empty.");
}
}
AppHost host = this.ResolveService<AppHost>();
//Check that there are no several DCs with same Guid.
//Note! This might happend when DC is restarted wrong.
//For this reason we are only give a warning.
List<GXEventsItem> events = new List<GXEventsItem>();
if (host.IsDCRegistered(guid))
{
lock (Db)
{
GXAmiSystemError e = new GXAmiSystemError(1, ActionTargets.SystemError, Actions.State, new Exception("Data collector already exists."));
Db.Insert<GXAmiSystemError>(e);
events.Add(new GXEventsItem(ActionTargets.SystemError, Actions.Add, e));
}
}
ulong mask = (ulong)(((int)request.Targets << 16) | (int)request.Actions);
GXEvent e1 = new GXEvent(id, superAdmin, guid, request.Instance, mask);
host.AddEvent(request.SessionListener, e1);
if (guid != Guid.Empty)
{
//Notify that DC is connected.
lock (Db)
{
GXAmiDataCollector dc = Db.Select<GXAmiDataCollector>(q => q.Guid == guid)[0];
dc.State = Gurux.Device.DeviceStates.Connected;
Db.UpdateOnly(dc, p => p.StatesAsInt, p => p.Id == dc.Id);
events.Add(new GXEventsItem(ActionTargets.DataCollector, Actions.State, dc));
}
host.SetEvents(Db, this.Request, 0, events);
}
return new GXEventsRegisterResponse();
}
