/usr/share/ada/adainclude/aws/aws-net-log-callbacks.adb 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;
with Ada.Integer_Text_IO;
with Ada.Strings.Fixed;
with Ada.Strings.Maps.Constants;
with Ada.Text_IO;
with AWS.Utils;
package body AWS.Net.Log.Callbacks is
procedure Put
(File : Text_IO.File_Type;
Code : Natural;
Binary_Mode : Boolean)
with Inline;
-- Output character C, if not printable output a single dot
procedure Put_Hex (File : Text_IO.File_Type; Code : Natural) with Inline;
-- Output hex code for character C
procedure Put_Header
(File : Text_IO.File_Type;
Direction : Data_Direction;
Socket : Socket_Type'Class;
Data : Stream_Element_Array;
Last : Stream_Element_Offset);
-- Output log header into File
procedure Put_Footer (File : Text_IO.File_Type);
-- Output log footer into File
type Counters is array (Data_Direction) of Natural;
type State is record
N : Counters := (others => 0); -- Number of chars read/written
Log_File : Text_IO.File_Type;
end record;
Current_State : State;
------------
-- Binary --
------------
procedure Binary
(Direction : Data_Direction;
Socket : Socket_Type'Class;
Data : Stream_Element_Array;
Last : Stream_Element_Offset)
is
Max_Line : constant := 15;
F : Text_IO.File_Type renames Current_State.Log_File;
procedure Put_Chars
(Spaces : Natural;
First, Last : Stream_Element_Offset);
-- Output Spaces spaces then the characters from Frist to Last
---------------
-- Put_Chars --
---------------
procedure Put_Chars
(Spaces : Natural;
First, Last : Streams.Stream_Element_Offset)
is
use Ada.Strings.Fixed;
begin
Text_IO.Put (F, Spaces * " ");
for K in First .. Last loop
Put (F, Natural (Data (K)), Binary_Mode => True);
end loop;
end Put_Chars;
begin
Put_Header (F, Direction, Socket, Data, Last);
for K in Data'First .. Last loop
if (K - 1) mod Max_Line = 0 then
if K /= Data'First then
-- This is not before the first line, output characters
Put_Chars (3, K - Max_Line, K);
end if;
Text_IO.New_Line (F);
Text_IO.Put (F, ' ');
Integer_Text_IO.Put (F, Natural (K), Width => 5);
Text_IO.Put (F, ": ");
end if;
Put_Hex (F, Natural (Data (K)));
Text_IO.Put (F, ' ');
end loop;
-- Output final characters
declare
Nb_Last_Line : constant Stream_Element_Offset
:= Last mod Max_Line;
begin
Put_Chars
((Max_Line - Natural (Nb_Last_Line)) * 3 + 3,
Last - Nb_Last_Line + 1, Last);
end;
Text_IO.New_Line (F, 2);
Current_State.N (Direction)
:= Current_State.N (Direction) + Natural (Last);
Put_Footer (F);
Text_IO.Flush (F);
end Binary;
--------------
-- Finalize --
--------------
procedure Finalize is
begin
Stop;
Text_IO.Close (Current_State.Log_File);
end Finalize;
----------------
-- Initialize --
----------------
procedure Initialize
(Filename : String;
Callback : Write_Callback) is
begin
Text_IO.Create (Current_State.Log_File, Text_IO.Out_File, Filename);
Start (Callback);
end Initialize;
---------
-- Put --
---------
procedure Put
(File : Text_IO.File_Type;
Code : Natural;
Binary_Mode : Boolean)
is
C : constant Character := Character'Val (Code);
begin
if Strings.Maps.Is_In (C, Strings.Maps.Constants.Graphic_Set)
or else (not Binary_Mode and then (C = ASCII.CR or else C = ASCII.LF))
then
Text_IO.Put (File, C);
else
Text_IO.Put (File, '.');
end if;
end Put;
----------------
-- Put_Footer --
----------------
procedure Put_Footer (File : Text_IO.File_Type) is
begin
Text_IO.Put_Line
(File, " Total data sent: " & Utils.Image (Current_State.N (Sent))
& " received: " & Utils.Image (Current_State.N (Received)));
Text_IO.New_Line (File);
end Put_Footer;
----------------
-- Put_Header --
----------------
procedure Put_Header
(File : Text_IO.File_Type;
Direction : Data_Direction;
Socket : Socket_Type'Class;
Data : Stream_Element_Array;
Last : Stream_Element_Offset) is
begin
Text_IO.Put (File, "Data ");
case Direction is
when Sent => Text_IO.Put (File, "sent to ");
when Received => Text_IO.Put (File, "received from ");
end case;
Text_IO.Put (File, "socket " & Utils.Image (Get_FD (Socket)));
Text_IO.Put_Line
(File, " (" & Utils.Image (Natural (Last))
& "/" & Utils.Image (Natural (Data'Last)) & ')');
end Put_Header;
-------------
-- Put_Hex --
-------------
procedure Put_Hex (File : Text_IO.File_Type; Code : Natural) is
begin
Text_IO.Put (File, Utils.Hex (Code, Width => 2));
end Put_Hex;
----------
-- Text --
----------
procedure Text
(Direction : Data_Direction;
Socket : Socket_Type'Class;
Data : Stream_Element_Array;
Last : Stream_Element_Offset)
is
Max_Line : constant := 70;
LF : constant Stream_Element
:= Stream_Element (Character'Pos (ASCII.LF));
F : Text_IO.File_Type renames Current_State.Log_File;
C : Natural := 0;
begin
Put_Header (F, Direction, Socket, Data, Last);
for K in Data'First .. Last loop
if C mod Max_Line = 0 or else Data (K) = LF then
Text_IO.New_Line (F);
Text_IO.Put (F, ' ');
Integer_Text_IO.Put (F, Natural (K), Width => 5);
Text_IO.Put (F, ": ");
C := 0;
end if;
C := C + 1;
if Data (K) /= LF then
Put (F, Natural (Data (K)), Binary_Mode => False);
end if;
end loop;
Text_IO.New_Line (F, 2);
Current_State.N (Direction)
:= Current_State.N (Direction) + Natural (Last);
Put_Footer (F);
Text_IO.Flush (F);
end Text;
end AWS.Net.Log.Callbacks;
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