/usr/share/ada/adainclude/aws/aws-net-log.ads is in libaws2.10.2-dev 2.10.2-4.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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-- Ada Web Server --
-- --
-- Copyright (C) 2004-2009, AdaCore --
-- --
-- This library is free software; you can redistribute it and/or modify --
-- it under the terms of the GNU General Public License as published by --
-- the Free Software Foundation; either version 2 of the License, 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. See the GNU --
-- General Public License for more details. --
-- --
-- You should have received a copy of the GNU General Public License --
-- along with this library; if not, write to the Free Software Foundation, --
-- Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. --
-- --
------------------------------------------------------------------------------
-- 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;
pragma Inline (Is_Active);
-- Returns True if Log is activated and False otherwise
function Is_Write_Active return Boolean;
pragma Inline (Is_Write_Active);
-- Returns True if Write Log is activated and False otherwise
function Is_Event_Active return Boolean;
pragma Inline (Is_Event_Active);
-- 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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