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------------------------------------------------------------------------------
-- --
-- POLYORB COMPONENTS --
-- --
-- S E R V E R --
-- --
-- B o d y --
-- --
-- Copyright (C) 2008-2012, Free Software Foundation, Inc. --
-- --
-- This is free software; you can redistribute it and/or modify it under --
-- terms of the GNU General Public License as published by the Free Soft- --
-- ware Foundation; either version 3, or (at your option) any later ver- --
-- sion. This software is distributed in the hope that it will be useful, --
-- but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHAN- --
-- TABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public --
-- License for more details. --
-- --
-- You should have received a copy of the GNU General Public License and --
-- a copy of the GCC Runtime Library Exception along with this program; --
-- see the files COPYING3 and COPYING.RUNTIME respectively. If not, see --
-- <http://www.gnu.org/licenses/>. --
-- --
-- PolyORB is maintained by AdaCore --
-- (email: sales@adacore.com) --
-- --
------------------------------------------------------------------------------
with Ada.Exceptions; use Ada.Exceptions;
with Ada.Text_IO; use Ada.Text_IO;
with GNAT.OS_Lib; use GNAT.OS_Lib;
with CORBA.ORB;
use CORBA;
use CORBA.ORB;
with PortableServer.POA;
with PortableServer.POAManager;
with PolyORB.Tasking.Condition_Variables;
use PolyORB.Tasking.Condition_Variables;
with PolyORB.CORBA_P.Server_Tools;
use PolyORB.CORBA_P.Server_Tools;
with PolyORB.ORB; use PolyORB.ORB;
with PolyORB.Setup.Thread_Pool_Server;
pragma Unreferenced (PolyORB.Setup.Thread_Pool_Server);
with PolyORB.Asynch_Ev; use PolyORB.Asynch_Ev;
with PolyORB.ORB.Thread_Pool; use PolyORB.ORB.Thread_Pool;
with PolyORB.ORB_Controller; use PolyORB.ORB_Controller;
with PolyORB.Requests;
with PolyORB.Task_Info; use PolyORB.Task_Info;
with Svc.Impl;
with Conditions; use Conditions;
with Shell;
with Transient_Tasks;
procedure Server is
Svc_Ref : Svc.Ref;
Count : Integer;
type Transient_Info_Array is array (Natural range <>) of
aliased PolyORB.Requests.Request;
type Transient_Info_Array_Access is access all Transient_Info_Array;
Transient_Infos : Transient_Info_Array_Access;
procedure Transient_Processing (Id : Natural) is
begin
Transient_Infos (Id).Completed := False;
Put_Line ("Server transient" & Id'Img & ": enter");
PolyORB.ORB.Run
(PolyORB.Setup.The_ORB,
Request => Transient_Infos (Id)'Unchecked_Access,
May_Exit => True);
Put_Line ("Server transient" & Id'Img & ": leave");
end Transient_Processing;
package Server_Tasks is new Transient_Tasks;
use Server_Tasks;
Servers : Transient_Task_Array_Access renames Server_Tasks.Transient_Tasks;
type Command_Type is (Signal, Status, Add, Del, Quit);
procedure Handle_Command (Command : Command_Type; Argument : String);
package Server_Shell is new Shell (Command_Type);
procedure Handle_Command (Command : Command_Type; Argument : String) is
begin
case Command is
when Quit =>
raise Server_Shell.Exit_Shell;
when Signal =>
if Argument = "all" then
for J in Condition_Variables'Range loop
Signal (Condition_Variables (J));
end loop;
else
declare
Condition : Natural;
begin
Condition := Natural'Value (Argument);
Signal (Condition_Variables (Condition));
exception
when Constraint_Error =>
Put_Line ("bad condition id: " & Argument);
end;
end if;
when Status =>
declare
function Status (O : access ORB_Controller) return String;
pragma Import (Ada, Status, "polyorb__orb_controller__status");
begin
Put_Line (Status (ORB_Controller
(PolyORB.Setup.The_ORB.ORB_Controller.all)'Access));
end;
when Add =>
Servers (Natural'Value (Argument)).Enter;
when Del =>
declare
Id : constant Natural := Natural'Value (Argument);
TI : Task_Info renames Transient_Infos (Id).Requesting_Task.all;
begin
Enter_ORB_Critical_Section
(PolyORB.Setup.The_ORB.ORB_Controller);
Put_Line ("awaking transient task" & Id'Img
& " from " & State (TI)'Img);
Transient_Infos (Id).Completed := True;
case State (TI) is
when Idle =>
Signal (Condition (TI));
when Blocked =>
Abort_Check_Sources (Selector (TI).all);
when others =>
null;
end case;
Leave_ORB_Critical_Section
(PolyORB.Setup.The_ORB.ORB_Controller);
end;
end case;
end Handle_Command;
begin
Put_Line ("Server: enter");
CORBA.ORB.Initialize ("ORB");
PortableServer.POAManager.Activate
(PortableServer.POA.Get_The_POAManager (Get_Root_POA));
Put_Line ("Server: ORB initialized");
Put_Line ("min spare threads:" & Get_Minimum_Spare_Threads'Img);
Put_Line ("max spare threads:" & Get_Maximum_Spare_Threads'Img);
Put_Line ("max threads: " & Get_Maximum_Threads'Img);
Count := Get_Maximum_Threads;
Conditions.Create_Conditions (Count);
Put_Line ("Server:" & Natural'Image (Condition_Variables'Length)
& " CVs created");
Transient_Infos := new Transient_Info_Array (0 .. Count - 1);
Server_Tasks.Start (Count);
Put_Line ("Server:" & Natural'Image (Condition_Variables'Length)
& " transient tasks created");
Initiate_Servant (new Svc.Impl.Object, Svc_Ref);
Put_Line ("Server: servant initialized");
declare
IOR_File : File_Type;
begin
Create (IOR_File, Out_File, "svc.ior");
Put_Line (IOR_File, To_Standard_String (Object_To_String (Svc_Ref)));
Close (IOR_File);
end;
Put_Line ("IOR written to svc.ior");
Server_Shell.Interact;
CORBA.ORB.Shutdown (Wait_For_Completion => False);
Put_Line ("Server: leave");
GNAT.OS_Lib.OS_Exit (0);
exception
when E : others =>
Put_Line ("Server main loop got exception: "
& Ada.Exceptions.Exception_Information (E));
end Server;
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