/usr/share/ada/adainclude/log4ada/log4ada-loggers.adb is in liblog4ada2-dev 1.2-2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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-- Log4Ada --
-- --
-- Copyright (C) 2007 --
-- X. Grave CNRS --
-- --
-- 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. --
-- --
with Ada.Strings.Unbounded;
with Ada.Task_Identification;
with System;
package body Log4ada.Loggers is
use Ada.Task_Identification;
use Ada.Strings.Unbounded;
---------------
-- Set_Level --
---------------
procedure Set_Level
(Logger : not null access Logger_Type;
New_Level : Level_Type)
is
begin
Logger.Current_Level := New_Level;
end Set_Level;
---------------
-- Get_Level --
---------------
function Get_Level
(Logger : not null access Logger_Type)
return Level_Type
is
begin
return Logger.Current_Level;
end Get_Level;
------------------
-- Add_Appender --
------------------
procedure Add_Appender
(Logger : not null access Logger_Type;
Appender : Appenders.Appender_Class_Access)
is
begin
Append (Logger.Appenders_List, Appender);
end Add_Appender;
---------------
-- Debug_Out --
---------------
type Struct_Timeval is record
Seconds : Integer;
Micro_Seconds : Integer;
end record;
pragma Convention (C, Struct_Timeval);
function Get_Time_Of_Day (Data : access Struct_Timeval;
Tz : System.Address := System.Null_Address)
return Integer;
pragma Import (C, Get_Time_Of_Day, "gettimeofday");
procedure Get_Time_Of_Day (Data : access Struct_Timeval);
procedure Get_Time_Of_Day (Data : access Struct_Timeval) is
Fct_Return : Integer;
C_Code_Problem : exception;
begin
Fct_Return := Get_Time_Of_Day (Data);
if Fct_Return /= 0 then
raise C_Code_Problem;
end if;
end Get_Time_Of_Day;
procedure Event_Out (Logger : not null access Logger_Type;
Event : Events.Event_Type) is
Index : Positive;
List_Length : Positive;
Appender : Appenders.Appender_Class_Access;
Timestamp : Integer;
Time_Value : aliased Struct_Timeval;
begin
if Logger.Lock_Delay = 0.0 then
Logger.Lock.Get;
else
select
Logger.Lock.Get;
or
delay Logger.Lock_Delay;
return;
end select;
end if;
if Logger.Current_Level > Events.Get_Level (Event) then
Logger.Lock.Release;
return;
end if;
if Is_Empty (Logger.Appenders_List) then
Logger.Lock.Release;
raise No_Appender;
end if;
Get_Time_Of_Day (Time_Value'Access);
Timestamp := Time_Value.Seconds;
if Events.First_Event_Timestamp = 0 then
Events.First_Event_Timestamp := Timestamp;
end if;
Index := First_Index (Logger.Appenders_List);
List_Length := Integer (Length (Logger.Appenders_List));
for I in Index .. Index + List_Length - 1 loop
Appender := Element (Logger.Appenders_List, I);
Appenders.Append (Appender, Event);
end loop;
Logger.Lock.Release;
exception
when others =>
Logger.Lock.Release;
end Event_Out;
procedure Logger_Output
(Logger : not null access Logger_Type;
Message : String;
Level : Level_Type;
Exception_To_Send : Ada.Exceptions.Exception_Occurrence) is
Event : Events.Event_Type;
List_Length : Positive;
Appender : Appenders.Appender_Class_Access;
Index : Positive;
Timestamp : Integer;
Time_Value : aliased Struct_Timeval;
begin
if Logger.Lock_Delay = 0.0 then
Logger.Lock.Get;
else
select
Logger.Lock.Get;
or
delay Logger.Lock_Delay;
return;
end select;
end if;
if Logger.Current_Level > Level then
return;
end if;
if Is_Empty (Logger.Appenders_List) then
raise No_Appender;
end if;
Get_Time_Of_Day (Time_Value'Access);
Timestamp := Time_Value.Seconds;
if Events.First_Event_Timestamp = 0 then
Events.First_Event_Timestamp := Timestamp;
end if;
Event := Events.New_Event (Image (Current_Task),
To_String (Logger.Name),
Level,
Timestamp,
Message,
Exception_To_Send);
Index := First_Index (Logger.Appenders_List);
List_Length := Integer (Length (Logger.Appenders_List));
for I in Index .. Index + List_Length - 1 loop
Appender := Element (Logger.Appenders_List, I);
Appenders.Append (Appender, Event);
end loop;
Logger.Lock.Release;
exception
when others =>
Logger.Lock.Release;
end Logger_Output;
procedure Logger_Output
(Logger : not null access Logger_Type;
Message : String;
Level : Level_Type) is
Event : Events.Event_Type;
List_Length : Positive;
Appender : Appenders.Appender_Class_Access;
Index : Positive;
Timestamp : Integer;
Time_Value : aliased Struct_Timeval;
begin
if Logger.Lock_Delay = 0.0 then
Logger.Lock.Get;
else
select
Logger.Lock.Get;
or
delay Logger.Lock_Delay;
return;
end select;
end if;
if Logger.Current_Level > Level then
Logger.Lock.Release;
return;
end if;
if Is_Empty (Logger.Appenders_List) then
Logger.Lock.Release;
raise No_Appender;
end if;
Get_Time_Of_Day (Time_Value'Access);
Timestamp := Time_Value.Seconds;
if Events.First_Event_Timestamp = 0 then
Events.First_Event_Timestamp := Timestamp;
end if;
Event := Events.New_Event (Image (Current_Task),
To_String (Logger.Name),
Level,
Timestamp,
Message);
Index := First_Index (Logger.Appenders_List);
List_Length := Integer (Length (Logger.Appenders_List));
for I in Index .. Index + List_Length - 1 loop
Appender := Element (Logger.Appenders_List, I);
Appenders.Append (Appender, Event);
end loop;
Logger.Lock.Release;
exception
when others =>
Logger.Lock.Release;
end Logger_Output;
procedure Set_Lock_Delay (Logger : not null access Logger_Type;
Lock_Delay : Duration) is
begin
Logger.Lock_Delay := Lock_Delay;
end Set_Lock_Delay;
procedure Debug_Out
(Logger : not null access Logger_Type;
Message : String;
Exception_To_Send : Ada.Exceptions.Exception_Occurrence) is
begin
Logger_Output (Logger, Message, Debug, Exception_To_Send);
end Debug_Out;
--------------
-- Info_Out --
--------------
procedure Info_Out
(Logger : not null access Logger_Type;
Message : String;
Exception_To_Send : Ada.Exceptions.Exception_Occurrence)
is
begin
Logger_Output (Logger, Message, Info, Exception_To_Send);
end Info_Out;
--------------
-- Warn_Out --
--------------
procedure Warn_Out
(Logger : not null access Logger_Type;
Message : String;
Exception_To_Send : Ada.Exceptions.Exception_Occurrence)
is
begin
Logger_Output (Logger, Message, Warn, Exception_To_Send);
end Warn_Out;
---------------
-- Error_Out --
---------------
procedure Error_Out
(Logger : not null access Logger_Type;
Message : String;
Exception_To_Send : Ada.Exceptions.Exception_Occurrence)
is
begin
Logger_Output (Logger, Message, Error, Exception_To_Send);
end Error_Out;
---------------
-- Fatal_Out --
---------------
procedure Fatal_Out
(Logger : not null access Logger_Type;
Message : String;
Exception_To_Send : Ada.Exceptions.Exception_Occurrence)
is
begin
Logger_Output (Logger, Message, Fatal, Exception_To_Send);
end Fatal_Out;
procedure Debug_Out (Logger : not null access Logger_Type;
Message : String) is
begin
Logger_Output (Logger, Message, Debug);
end Debug_Out;
procedure Info_Out (Logger : not null access Logger_Type;
Message : String) is
begin
Logger_Output (Logger, Message, Info);
end Info_Out;
procedure Warn_Out (Logger : not null access Logger_Type;
Message : String) is
begin
Logger_Output (Logger, Message, Warn);
end Warn_Out;
procedure Error_Out (Logger : not null access Logger_Type;
Message : String) is
begin
Logger_Output (Logger, Message, Error);
end Error_Out;
procedure Fatal_Out (Logger : not null access Logger_Type;
Message : String) is
begin
Logger_Output (Logger, Message, Fatal);
end Fatal_Out;
protected body Lock_Type is
entry Get when Available is
begin
Available := False;
end Get;
procedure Release is
begin
Available := True;
end Release;
end Lock_Type;
end Log4ada.Loggers;
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