This file is indexed.

/usr/share/ada/adainclude/aws/aws-services-dispatchers-timer.adb is in libaws3.3.2.2-dev 17.2.2017-2.

This file is owned by root:root, with mode 0o644.

The actual contents of the file can be viewed below.

  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
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
------------------------------------------------------------------------------
--                              Ada Web Server                              --
--                                                                          --
--                     Copyright (C) 2003-2014, 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.                    --
--                                                                          --
--                                                                          --
--                                                                          --
--                                                                          --
--                                                                          --
--  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/>.                                         --
--                                                                          --
--                                                                          --
--                                                                          --
--                                                                          --
--                                                                          --
--                                                                          --
--                                                                          --
------------------------------------------------------------------------------

pragma Ada_2012;

with Ada.Unchecked_Deallocation;

with AWS.Dispatchers.Callback;
with AWS.Messages;

package body AWS.Services.Dispatchers.Timer is

   use AWS.Dispatchers;

   procedure Unchecked_Free is
     new Ada.Unchecked_Deallocation (Node, Node_Access);

   -----------
   -- Clone --
   -----------

   overriding function Clone (Dispatcher : Handler) return Handler is
      New_Dispatcher : Handler;
   begin
      if Dispatcher.Action /= null then
         New_Dispatcher.Action :=
           new AWS.Dispatchers.Handler'Class'
             (AWS.Dispatchers.Handler'Class (Dispatcher.Action.Clone));
      end if;

      for K in 1 .. Period_Table.Length (Dispatcher.Table) loop
         declare
            Item     : constant Node_Access :=
                         Period_Table.Element (Dispatcher.Table, Natural (K));
            New_Item : constant Node_Access := new Node'(Item.all);
         begin
            if Item.Action /= null then
               New_Item.Action :=
                 new AWS.Dispatchers.Handler'Class'
                   (AWS.Dispatchers.Handler'Class (Item.Action.Clone));
            end if;

            Period_Table.Insert
              (Container => New_Dispatcher.Table,
               Before    => Natural (K),
               New_Item  => New_Item);
         end;
      end loop;

      return New_Dispatcher;
   end Clone;

   -----------
   -- Daily --
   -----------

   function Daily
     (From_Hour   : Hour_Number;
      From_Minute : Minute_Number;
      From_Second : Second_Number;
      To_Hour     : Hour_Number;
      To_Minute   : Minute_Number;
      To_Second   : Second_Number) return Period is
   begin
      return Period'(Mode => Daily,
                     From => (Hour   => From_Hour,
                              Minute => From_Minute,
                              Second => From_Second,
                              others => <>),
                     To   => (Hour   => To_Hour,
                              Minute => To_Minute,
                              Second => To_Second,
                              others => <>));
   end Daily;

   --------------
   -- Dispatch --
   --------------

   overriding function Dispatch
     (Dispatcher : Handler;
      Request    : Status.Data) return Response.Data
   is
      use type Calendar.Time;

      function Match_Once     (Item : Node_Access) return Boolean;
      function Match_Yearly   (Item : Node_Access) return Boolean;
      function Match_Monthly  (Item : Node_Access) return Boolean;
      function Match_Weekly   (Item : Node_Access) return Boolean;
      function Match_Daily    (Item : Node_Access) return Boolean;
      function Match_Hourly   (Item : Node_Access) return Boolean;
      function Match_Minutely (Item : Node_Access) return Boolean;

      Now : constant Calendar.Time := Calendar.Clock;

      Year       : Year_Number;
      Month      : Month_Number;
      Day        : Day_Number;
      N_Day      : Day_Name;
      Hour       : Hour_Number;
      Minute     : Minute_Number;
      Second     : Second_Number;
      Sub_Second : Calendar.Formatting.Second_Duration;

      -----------------
      -- Match_Daily --
      -----------------

      function Match_Daily (Item : Node_Access) return Boolean is
         F        : Date_Time renames Item.Period.From;
         T        : Date_Time renames Item.Period.To;
         From, To : Calendar.Time;
      begin
         From := Calendar.Formatting.Time_Of
           (Year, Month, Day, F.Hour, F.Minute, F.Second);
         To := Calendar.Formatting.Time_Of
           (Year, Month, Day, T.Hour, T.Minute, T.Second);

         return From <= Now and then Now <= To;
      end Match_Daily;

      ------------------
      -- Match_Hourly --
      ------------------

      function Match_Hourly (Item : Node_Access) return Boolean is
         F        : Date_Time renames Item.Period.From;
         T        : Date_Time renames Item.Period.To;
         From, To : Calendar.Time;
      begin
         From := Calendar.Formatting.Time_Of
           (Year, Month, Day, Hour, F.Minute, F.Second);
         To := Calendar.Formatting.Time_Of
           (Year, Month, Day, Hour, T.Minute, T.Second);

         return From <= Now and then Now <= To;
      end Match_Hourly;

      --------------------
      -- Match_Minutely --
      --------------------

      function Match_Minutely (Item : Node_Access) return Boolean is
         F        : Date_Time renames Item.Period.From;
         T        : Date_Time renames Item.Period.To;
         From, To : Calendar.Time;
      begin
         From := Calendar.Formatting.Time_Of
           (Year, Month, Day, Hour, Minute, F.Second);
         To := Calendar.Formatting.Time_Of
           (Year, Month, Day, Hour, Minute, T.Second);

         return From <= Now and then Now <= To;
      end Match_Minutely;

      -------------------
      -- Match_Monthly --
      -------------------

      function Match_Monthly (Item : Node_Access) return Boolean is
         F        : Date_Time renames Item.Period.From;
         T        : Date_Time renames Item.Period.To;
         From, To : Calendar.Time;
      begin
         From := Calendar.Formatting.Time_Of
           (Year, Month, F.Day, F.Hour, F.Minute, F.Second);
         To := Calendar.Formatting.Time_Of
           (Year, Month, T.Day, T.Hour, T.Minute, T.Second);

         return From <= Now and then Now <= To;
      end Match_Monthly;

      ----------------
      -- Match_Once --
      ----------------

      function Match_Once (Item : Node_Access) return Boolean is
         F        : Date_Time renames Item.Period.From;
         T        : Date_Time renames Item.Period.To;
         From, To : Calendar.Time;
      begin
         From := Calendar.Formatting.Time_Of
           (F.Year, F.Month, F.Day, F.Hour, F.Minute, F.Second);
         To := Calendar.Formatting.Time_Of
           (T.Year, T.Month, T.Day, T.Hour, T.Minute, T.Second);

         return From <= Now and then Now <= To;
      end Match_Once;

      ------------------
      -- Match_Weekly --
      ------------------

      function Match_Weekly (Item : Node_Access) return Boolean is
         F        : Date_Time renames Item.Period.From;
         T        : Date_Time renames Item.Period.To;
         From, To : Calendar.Time;
      begin
         From := Calendar.Formatting.Time_Of
           (F.Year, F.Month,
            F.Day - (Day_Name'Pos (N_Day) - Day_Name'Pos (F.N_Day)),
            F.Hour, F.Minute, F.Second);
         To := Calendar.Formatting.Time_Of
           (T.Year, T.Month,
            T.Day + (Day_Name'Pos (T.N_Day) - Day_Name'Pos (N_Day)),
            T.Hour, T.Minute, T.Second);

         return From <= Now and then Now <= To;
      end Match_Weekly;

      ------------------
      -- Match_Yearly --
      ------------------

      function Match_Yearly (Item : Node_Access) return Boolean is
         F        : Date_Time renames Item.Period.From;
         T        : Date_Time renames Item.Period.To;
         From, To : Calendar.Time;
      begin
         From := Calendar.Formatting.Time_Of
           (Year, F.Month, F.Day, F.Hour, F.Minute, F.Second);
         To := Calendar.Formatting.Time_Of
           (Year, T.Month, T.Day, T.Hour, T.Minute, T.Second);

         return From <= Now and then Now <= To;
      end Match_Yearly;

   begin
      Calendar.Formatting.Split
        (Now, Year, Month, Day, Hour, Minute, Second, Sub_Second);
      N_Day := Calendar.Formatting.Day_Of_Week (Now);

      for Item of Dispatcher.Table loop
         case Item.Period.Mode is

            when Once =>
               if Match_Once (Item) then
                  return Dispatch (Item.Action.all, Request);
               end if;

            when Yearly =>
               if Match_Yearly (Item) then
                  return Dispatch (Item.Action.all, Request);
               end if;

            when Monthly =>
               if Match_Monthly (Item) then
                  return Dispatch (Item.Action.all, Request);
               end if;

            when Weekly =>
               if Match_Weekly (Item) then
                  return Dispatch (Item.Action.all, Request);
               end if;

            when Daily =>
               if Match_Daily (Item) then
                  return Dispatch (Item.Action.all, Request);
               end if;

            when Hourly =>
               if Match_Hourly (Item) then
                  return Dispatch (Item.Action.all, Request);
               end if;

            when Minutely =>
               if Match_Minutely (Item) then
                  return Dispatch (Item.Action.all, Request);
               end if;
         end case;
      end loop;

      if Dispatcher.Action /= null then
         return Dispatch (Dispatcher.Action.all, Request);
      end if;

      return Response.Acknowledge
        (Messages.S404,
         "<p>AWS " & Version
           & "<p>No rule found for the time dispatcher and no "
           & "default dispatcher defined.");
   end Dispatch;

   --------------
   -- Finalize --
   --------------

   overriding procedure Finalize (Dispatcher : in out Handler) is
      Ref_Counter : constant Natural := Dispatcher.Ref_Counter;
   begin
      Finalize (AWS.Dispatchers.Handler (Dispatcher));

      if Ref_Counter = 1 then
         for Item of Dispatcher.Table loop
            Free (Item.Action);
            Unchecked_Free (Item);
         end loop;

         Period_Table.Clear (Dispatcher.Table);
      end if;
   end Finalize;

   ------------
   -- Hourly --
   ------------

   function Hourly
     (From_Minute : Minute_Number;
      From_Second : Second_Number;
      To_Minute   : Minute_Number;
      To_Second   : Second_Number) return Period is
   begin
      return Period'(Mode => Hourly,
                     From => (Minute => From_Minute,
                              Second => From_Second,
                              others => <>),
                     To   => (Minute => To_Minute,
                              Second => To_Second,
                              others => <>));
   end Hourly;

   ----------------
   -- Initialize --
   ----------------

   overriding procedure Initialize (Dispatcher : in out Handler) is
   begin
      Initialize (AWS.Dispatchers.Handler (Dispatcher));
   end Initialize;

   --------------
   -- Minutely --
   --------------

   function Minutely
     (From_Second : Second_Number;
      To_Second   : Second_Number) return Period is
   begin
      return Period'(Mode => Minutely,
                     From => (Second => From_Second,
                              others => <>),
                     To   => (Second => To_Second,
                              others => <>));
   end Minutely;

   -------------
   -- Monthly --
   -------------

   function Monthly
     (From_Day    : Day_Number;
      From_Hour   : Hour_Number;
      From_Minute : Minute_Number;
      From_Second : Second_Number;
      To_Day      : Day_Number;
      To_Hour     : Hour_Number;
      To_Minute   : Minute_Number;
      To_Second   : Second_Number) return Period is
   begin
      return Period'(Mode => Monthly,
                     From => (Day    => From_Day,
                              Hour   => From_Hour,
                              Minute => From_Minute,
                              Second => From_Second,
                              others => <>),
                     To   => (Day    => To_Day,
                              Hour   => To_Hour,
                              Minute => To_Minute,
                              Second => To_Second,
                              others => <>));
   end Monthly;

   ----------
   -- Once --
   ----------

   function Once
     (From_Year   : Year_Number;
      From_Month  : Month_Number;
      From_Day    : Day_Number;
      From_Hour   : Hour_Number;
      From_Minute : Minute_Number;
      From_Second : Second_Number;
      To_Year     : Year_Number;
      To_Month    : Month_Number;
      To_Day      : Day_Number;
      To_Hour     : Hour_Number;
      To_Minute   : Minute_Number;
      To_Second   : Second_Number) return Period is
   begin
      return Period'(Mode => Once,
                     From => (Year   => From_Year,
                              Month  => From_Month,
                              Day    => From_Day,
                              Hour   => From_Hour,
                              Minute => From_Minute,
                              Second => From_Second,
                              others => <>),
                     To   => (Year   => To_Year,
                              Month  => To_Month,
                              Day    => To_Day,
                              Hour   => To_Hour,
                              Minute => To_Minute,
                              Second => To_Second,
                              others => <>));
   end Once;

   --------------
   -- Register --
   --------------

   procedure Register
     (Dispatcher : in out Handler;
      Name       : String;
      Period     : Timer.Period;
      Action     : AWS.Dispatchers.Handler'Class)
   is
      Value : constant Node_Access :=
                new Node'(To_Unbounded_String (Name),
                          Period,
                          new AWS.Dispatchers.Handler'Class'(Action));
   begin
      Period_Table.Append (Dispatcher.Table, Value);
   end Register;

   procedure Register
     (Dispatcher : in out Handler;
      Name       : String;
      Period     : Timer.Period;
      Action     : Response.Callback) is
   begin
      Register
        (Dispatcher, Name, Period, AWS.Dispatchers.Callback.Create (Action));
   end Register;

   -------------------------------
   -- Register_Default_Callback --
   -------------------------------

   procedure Register_Default_Callback
     (Dispatcher : in out Handler;
      Action     : AWS.Dispatchers.Handler'Class) is
   begin
      if Dispatcher.Action /= null then
         Free (Dispatcher.Action);
      end if;

      Dispatcher.Action := new AWS.Dispatchers.Handler'Class'(Action);
   end Register_Default_Callback;

   ----------------
   -- Unregister --
   ----------------

   procedure Unregister
     (Dispatcher : in out Handler;
      Name       : String)
   is
      use type Period_Table.Cursor;

      Pos : Period_Table.Cursor := Period_Table.No_Element;
   begin
      for Cursor in Dispatcher.Table.Iterate loop
         declare
            Item : Node_Access := Period_Table.Element (Cursor);
         begin
            if To_String (Item.Name) = Name then
               Unchecked_Free (Item);
               Pos := Cursor;
               exit;
            end if;
         end;
      end loop;

      if Pos = Period_Table.No_Element then
         raise Constraint_Error
           with "Timer distpatcher " & Name & " not found";
      else
         Period_Table.Delete (Dispatcher.Table, Pos);
      end if;
   end Unregister;

   ------------
   -- Weekly --
   ------------

   function Weekly
     (From_Day    : Day_Name;
      From_Hour   : Hour_Number;
      From_Minute : Minute_Number;
      From_Second : Second_Number;
      To_Day      : Day_Name;
      To_Hour     : Hour_Number;
      To_Minute   : Minute_Number;
      To_Second   : Second_Number) return Period
   is
      P : Period;
   begin
      P.Mode        := Weekly;
      P.From.N_Day  := From_Day;
      P.From.Hour   := From_Hour;
      P.From.Minute := From_Minute;
      P.From.Second := From_Second;
      P.To.N_Day    := To_Day;
      P.To.Hour     := To_Hour;
      P.To.Minute   := To_Minute;
      P.To.Second   := To_Second;
      return P;
   end Weekly;

   ------------
   -- Yearly --
   ------------

   function Yearly
     (From_Month  : Month_Number;
      From_Day    : Day_Number;
      From_Hour   : Hour_Number;
      From_Minute : Minute_Number;
      From_Second : Second_Number;
      To_Month    : Month_Number;
      To_Day      : Day_Number;
      To_Hour     : Hour_Number;
      To_Minute   : Minute_Number;
      To_Second   : Second_Number) return Period
   is
      P : Period;
   begin
      P.Mode        := Yearly;
      P.From.Month  := From_Month;
      P.From.Day    := From_Day;
      P.From.Hour   := From_Hour;
      P.From.Minute := From_Minute;
      P.From.Second := From_Second;
      P.To.Month    := To_Month;
      P.To.Day      := To_Day;
      P.To.Hour     := To_Hour;
      P.To.Minute   := To_Minute;
      P.To.Second   := To_Second;
      return P;
   end Yearly;

end AWS.Services.Dispatchers.Timer;