Re: [boost] Logging library

Subject: Re: [boost] Logging library
From: Ivan Le Lann (ivan.lelann_at_[hidden])
Date: 2011-06-28 05:59:07

----- "Tigran Hayrapetyan" <tigran.human_at_[hidden]> a écrit :

> Hello dear Boost community
> 
(...)
> Existing logging libraries which I used, are writing log messages
> linearly,
> just one after another.
> In contrast, as we know, almost any application's working structure is
> not
> linear, but hierarchical instead, i.e. functions which call other
> functions,
> and so on.
(...)
> So I decided to implement such logging library. I put it in namespace
> "tlog"
> by now, for "Tree Logging". In my implementation hierarchical messages
> are
> presented in XML format, as it is some standard for tree-like data.
> There are two attached files. The library itself is in "tlog.hpp"
> file, and
> "main.cpp" contains a sample application which is using the library
> and
> writes log to "tlog.xml" file. They are written in MS Visual Studio
> 2008.
> Log messages are written with help of 4 macros:
> 
> TLOG_INFO( Logger, Text )                                     : logs
> message
> with specified text to specified logger with priority "information"
> TLOG_WARNING( Logger, Text )                             : logs
> message with
> specified text to specified logger with priority "warning"
> TLOG_ERROR( Logger, Text )                                 : logs
> message
> with specified text to specified logger with priority "error"
> TLOG_SCOPED_NODE( Logger, NodeName )          : opens xml element in
> the log
> file. The element will be closed at the end of scope, so there is no
> need to
> close it manually.
> 
> I think that the best way to implement entering/leaving subnodes of
> the log
> file, is to use scopes of the code.
> 
> Please review run result and the code, and see if it can be useful
> for boost.

Have you tried Boost.Log and its attributes ?

http://boost-log.sourceforge.net/libs/log/doc/html/log/detailed/attributes.html#log.detailed.attributes.named_scope
http://boost-log.sourceforge.net/libs/log/doc/html/log/detailed/utilities.html#log.detailed.utilities.scoped_attributes

Ivan