/usr/share/ada/adainclude/aws/aws-services-dispatchers-timer.ads is in libaws2.10.2-dev 2.10.2-4.
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-- Ada Web Server --
-- --
-- Copyright (C) 2003-2009, 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. --
-- --
------------------------------------------------------------------------------
-- Dispatch a specific request to a callback depending on current time
with Ada.Calendar.Formatting;
private with Ada.Containers.Vectors;
private with Ada.Strings.Unbounded;
with AWS.Dispatchers;
with AWS.Response;
with AWS.Status;
package AWS.Services.Dispatchers.Timer is
use Ada;
type Handler is new AWS.Dispatchers.Handler with private;
type Period is private;
subtype Year_Number is Calendar.Year_Number;
subtype Month_Number is Calendar.Month_Number;
subtype Day_Number is Calendar.Day_Number;
subtype Day_Name is Calendar.Formatting.Day_Name;
subtype Hour_Number is Calendar.Formatting.Hour_Number;
subtype Minute_Number is Calendar.Formatting.Minute_Number;
subtype Second_Number is Calendar.Formatting.Second_Number;
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;
-- A period that is uniq in time
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;
-- A period that repeats each year
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;
-- A period that repeats each month
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;
-- A period that repeats each week
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;
-- A period that repeats each day
function Hourly
(From_Minute : Minute_Number;
From_Second : Second_Number;
To_Minute : Minute_Number;
To_Second : Second_Number)
return Period;
-- A period that repeats each hour
function Minutely
(From_Second : Second_Number;
To_Second : Second_Number)
return Period;
-- A period that repeats each minute
procedure Register
(Dispatcher : in out Handler;
Name : String;
Period : Timer.Period;
Action : AWS.Dispatchers.Handler'Class);
-- Register a Period to use the specified dispatcher
procedure Register
(Dispatcher : in out Handler;
Name : String;
Period : Timer.Period;
Action : Response.Callback);
-- Idem as above but take a callback procedure as parameter
procedure Unregister
(Dispatcher : in out Handler;
Name : String);
-- Removes the period dispatcher named Name. Does nothing if Name is not
-- found.
procedure Register_Default_Callback
(Dispatcher : in out Handler;
Action : AWS.Dispatchers.Handler'Class);
-- Register the default callback. This will be used if no period
-- matches the current time.
private
use Ada.Strings.Unbounded;
overriding procedure Initialize (Dispatcher : in out Handler);
overriding procedure Finalize (Dispatcher : in out Handler);
overriding function Dispatch
(Dispatcher : Handler;
Request : Status.Data) return Response.Data;
-- Dispatch will call the time dispatcher that matches the current time.
-- Note that if a callback returns the Response.Empty message, Dispatch
-- will just continue to the next matching callback. In any cases, if no
-- handler matches it will call the default callback. If no default
-- callback is registered an error HTML message (code 404) is returned.
overriding function Clone (Dispatcher : Handler) return Handler;
-- Returns a deep copy of the dispatcher
type Kind is (Once, Yearly, Monthly, Weekly, Daily, Hourly, Minutely);
type Date_Time is record
Year : Year_Number;
Month : Month_Number;
Day : Day_Number;
N_Day : Day_Name;
Hour : Hour_Number;
Minute : Minute_Number;
Second : Second_Number;
end record;
type Period is record
Mode : Kind;
From : Date_Time;
To : Date_Time;
end record;
type Node is record
Name : Unbounded_String;
Period : Timer.Period;
Action : AWS.Dispatchers.Handler_Class_Access;
end record;
type Node_Access is access Node;
package Period_Table is
new Ada.Containers.Vectors (Positive, Node_Access, "=");
type Handler is new AWS.Dispatchers.Handler with record
Action : AWS.Dispatchers.Handler_Class_Access;
Table : Period_Table.Vector;
end record;
end AWS.Services.Dispatchers.Timer;
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