/usr/share/ada/adainclude/aws/aws-net-log.ads is in libaws3.3.2-dev 3.3.2-2.
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-- Ada Web Server --
-- --
-- Copyright (C) 2004-2013, AdaCore --
-- --
-- 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. --
------------------------------------------------------------------------------
pragma Ada_2012;
-- This package handles the Net logging facility for AWS.
--
-- AWS calls the Write procedure which in turn calls the callback routine
-- provided by the user when starting the logging. This feature can help
-- greatly to debug an application.
--
-- This package is thread safe. There will never be two simultaneous calls
-- to the callback routine.
package AWS.Net.Log is
type Data_Direction is (Sent, Received);
-- The direction of the data, sent or received to/from the socket
type Event_Type is (Connect, Accept_Socket, Shutdown);
type Write_Callback is access procedure
(Direction : Data_Direction;
Socket : Socket_Type'Class;
Data : Stream_Element_Array;
Last : Stream_Element_Offset);
-- The callback procedure which is called for each incoming/outgoing data
type Event_Callback is access procedure
(Action : Event_Type; Socket : Socket_Type'Class);
-- The callback procedure which is called for every socket creation,
-- connect and accept.
type Error_Callback is access procedure
(Socket : Socket_Type'Class; Message : String);
-- The callback procedure which is called for every socket error
procedure Start
(Write : Write_Callback;
Event : Event_Callback := null;
Error : Error_Callback := null);
-- Activate the logging
function Is_Active return Boolean with Inline;
-- Returns True if Log is activated and False otherwise
function Is_Write_Active return Boolean with Inline;
-- Returns True if Write Log is activated and False otherwise
function Is_Event_Active return Boolean with Inline;
-- Returns True if Event Log is activated and False otherwise
procedure Write
(Direction : Data_Direction;
Socket : Socket_Type'Class;
Data : Stream_Element_Array;
Last : Stream_Element_Offset);
-- Write sent/received data indirectly through the callback routine,
-- if activated (i.e. Start routine above has been called). Otherwise this
-- call does nothing.
procedure Event (Action : Event_Type; Socket : Socket_Type'Class);
-- Call Event callback if activated (i.e. Start routine above has been
-- called). Otherwise this call does nothing.
procedure Error (Socket : Socket_Type'Class; Message : String);
-- Call Error callback if activated (i.e. Start routine above has been
-- called). Otherwise this call does nothing.
procedure Stop;
-- Stop logging activity
end AWS.Net.Log;
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