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179 | ------------------------------------------------------------------------------
-- --
-- GNOGA - The GNU Omnificent GUI for Ada --
-- --
-- G N O G A . A P P L I C A T I O N . M U L T _ C O N N E C T --
-- --
-- B o d y --
-- --
-- --
-- Copyright (C) 2014 David Botton --
-- --
-- This library is free software; you can redistribute it and/or modify --
-- it under terms of the GNU General Public License as published by the --
-- Free Software Foundation; either version 3, or (at your option) any --
-- later version. This library is distributed in the hope that it will be --
-- useful, but WITHOUT ANY WARRANTY; without even the implied warranty of --
-- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. --
-- --
-- As a special exception under Section 7 of GPL version 3, you are --
-- granted additional permissions described in the GCC Runtime Library --
-- Exception, version 3.1, as published by the Free Software Foundation. --
-- --
-- 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/>. --
-- --
-- As a special exception, if other files instantiate generics from this --
-- unit, or you link this unit with other files to produce an executable, --
-- this unit does not by itself cause the resulting executable to be --
-- covered by the GNU General Public License. This exception does not --
-- however invalidate any other reasons why the executable file might be --
-- covered by the GNU Public License. --
-- --
-- For more information please go to http://www.gnoga.com --
------------------------------------------------------------------------------
with Ada.Containers.Indefinite_Ordered_Maps;
with Ada.Exceptions;
with Gnoga.Gui.Navigator;
with Gnoga.Types;
package body Gnoga.Application.Multi_Connect is
package Path_Maps is new Ada.Containers.Indefinite_Ordered_Maps (String, Application_Connect_Event);
Path_Map : Path_Maps.Map;
procedure On_Connect
(ID : in Gnoga.Types.Connection_ID;
Connection : access Gnoga.Server.Connection.Connection_Holder_Type);
-- Handle connections by creating Main_Window object and dispatching
-- to correct On_Connect_Handler based on Path. It is not necessary
-- to call Connection.Hold unless you wish to hold the connection and
-- then following it's release run additional such as to clean up some
-- dynamically created data, etc.
----------------
-- On_Connect --
----------------
procedure On_Connect
(ID : in Gnoga.Types.Connection_ID;
Connection : access Gnoga.Server.Connection.Connection_Holder_Type)
is
Main_Window : Gnoga.Gui.Window.Window_Type;
begin
Main_Window.Attach (Connection_ID => ID);
Main_Window.Document.Title (Title);
Server.Connection.HTML_On_Close (ID, HTML_On_Close);
declare
Path : constant String := Right_Trim_Slashes (Server.Connection.Connection_Path (ID));
begin
if Path_Map.Contains (Path) then
Log
("Sending to path: " & Path & " for " & Gnoga.Gui.Navigator.User_Agent (Main_Window) & " on " &
Gnoga.Gui.Navigator.Platform (Main_Window) & " from " &
Gnoga.Server.Connection.Connection_Client_Address (ID));
Path_Map.Element (Path) (Main_Window, Connection);
Server.Connection.Flush_Buffer (ID);
Connection.Hold;
-- If connection was already released this will not block.
elsif Path_Map.Contains ("default") then
Log
("Sending to default route" & " for " & Gnoga.Gui.Navigator.User_Agent (Main_Window) & " on " &
Gnoga.Gui.Navigator.Platform (Main_Window) & " from " &
Gnoga.Server.Connection.Connection_Client_Address (ID));
Path_Map.Element ("default") (Main_Window, Connection);
Server.Connection.Flush_Buffer (ID);
Connection.Hold;
-- If connection was already released this will not block.
else
Log
("No route to path: " & Path & " for " & Gnoga.Gui.Navigator.User_Agent (Main_Window) & " on " &
Gnoga.Gui.Navigator.Platform (Main_Window) & " from " &
Gnoga.Server.Connection.Connection_Client_Address (ID));
Server.Connection.HTML_On_Close (ID, "No route to path.");
end if;
end;
exception
when E : Gnoga.Server.Connection.Connection_Error =>
-- Browser window was closed
Log ("Error connection" & Image (ID) & " browser window was closed.");
Log (From_UTF_8 (Ada.Exceptions.Exception_Information (E)));
when E : others =>
Connection.Release;
Log ("Error connection" & Image (ID) & " closed by exception.");
Log (From_UTF_8 (Ada.Exceptions.Exception_Information (E)));
end On_Connect;
----------------
-- Initialize --
----------------
procedure Initialize
(Event : in Application_Connect_Event := null;
Host : in String := "";
Port : in Integer := 8_080;
Boot : in String := "boot.html";
Verbose : in Boolean := True)
is
begin
Gnoga.Server.Connection.Initialize (Host, Port, Boot, Verbose);
if Verbose then
Gnoga.Write_To_Console ("Multi-connect application.");
Gnoga.Write_To_Console ("Press Ctrl-C to close server.");
end if;
Gnoga.Server.Connection.On_Connect_Handler (Event => On_Connect'Access);
if Event /= null then
On_Connect_Handler (Event);
end if;
end Initialize;
------------------------
-- On_Connect_Handler --
------------------------
procedure On_Connect_Handler
(Event : in Application_Connect_Event;
Path : in String := "default")
is
begin
Path_Map.Include (Right_Trim_Slashes (Left_Trim_Slashes (Path)), Event);
end On_Connect_Handler;
------------------
-- Message_Loop --
------------------
procedure Message_Loop is
begin
Gnoga.Server.Connection.Run;
end Message_Loop;
---------------------
-- End_Application --
---------------------
procedure End_Application is
begin
Gnoga.Server.Connection.Stop;
end End_Application;
end Gnoga.Application.Multi_Connect;
|