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Ctx : constant AWA.Services.Contexts.Service_Context_Access := AWA.Services.Contexts.Current; |
begin |
if Ctx /= null then |
return Ctx.Get_Application; |
end if; |
-- If there is no service context, look in the servlet current context. |
declare |
use type ASF.Servlets.Servlet_Registry_Access; |
Ctx : constant ASF.Servlets.Servlet_Registry_Access := ASF.Server.Current; |
begin |
if Ctx = null then |
Log.Warn ("There is no service context"); |
return null; |
end if; |
if not (Ctx.all in AWA.Applications.Application'Class) then |
Log.Warn ("The servlet context is not an application"); |
return null; |
end if; |
return AWA.Applications.Application'Class (Ctx.all)'Access; |
Function Definition: procedure Free is |
Function Body: new Ada.Unchecked_Deallocation (Object => Consumer_Array, |
Name => Consumer_Array_Access); |
begin |
if Manager.Workers /= null then |
Log.Info ("Stopping the event dispatcher tasks"); |
for I in Manager.Workers'Range loop |
if Manager.Workers (I)'Callable then |
Manager.Workers (I).Stop; |
else |
Log.Error ("Event consumer task terminated abnormally"); |
end if; |
end loop; |
Free (Manager.Workers); |
end if; |
end Stop; |
procedure Add_Queue (Manager : in out Task_Dispatcher; |
Queue : in AWA.Events.Queues.Queue_Ref; |
Added : out Boolean) is |
begin |
Log.Info ("Adding queue {0} to the task dispatcher", Queue.Get_Name); |
Manager.Queues.Enqueue (Queue); |
Added := True; |
end Add_Queue; |
function Create_Dispatcher (Service : in AWA.Events.Services.Event_Manager_Access; |
Match : in String; |
Count : in Positive; |
Priority : in Positive) return Dispatcher_Access is |
Result : constant Task_Dispatcher_Access := new Task_Dispatcher; |
begin |
Result.Task_Count := Count; |
Result.Priority := Priority; |
Result.Match := To_Unbounded_String (Match); |
Result.Manager := Service.all'Access; |
return Result.all'Access; |
end Create_Dispatcher; |
task body Consumer is |
Dispatcher : Task_Dispatcher_Access; |
Time : Duration := 0.01; |
Do_Work : Boolean := True; |
Context : AWA.Services.Contexts.Service_Context; |
begin |
Log.Info ("Event consumer is ready"); |
select |
accept Start (D : in Task_Dispatcher_Access) do |
Dispatcher := D; |
end Start; |
Log.Info ("Event consumer is started"); |
-- Set the service context. |
Context.Set_Context (Application => Dispatcher.Manager.Get_Application.all'Access, |
Principal => null); |
while Do_Work loop |
declare |
Nb_Queues : constant Natural := Dispatcher.Queues.Get_Count; |
Queue : AWA.Events.Queues.Queue_Ref; |
Nb_Events : Natural := 0; |
begin |
-- We can have several tasks that dispatch events from several queues. |
-- Each queue in the list must be given the same polling quota. |
-- Pick a queue and dispatch some pending events. |
-- Put back the queue in the fifo. |
for I in 1 .. Nb_Queues loop |
Dispatcher.Queues.Dequeue (Queue); |
begin |
Dispatcher.Dispatch (Queue, Nb_Events); |
exception |
when E : others => |
Log.Error ("Exception when dispatching events", E, True); |
Function Definition: procedure Register_User (Data : in out Authenticate_Bean; |
Function Body: Outcome : in out Unbounded_String) is |
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