1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275 | ------------------------------------------------------------------------------
-- 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 (Last) & "/" & Utils.Image (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;
|