/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.
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-- 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;
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