log4cpp-devel

[Log4cpp-devel] few questions on log4cpp

[girish h. <gir...@ya...>]

Hello Everybody,
                                                      
                                                      
                                 
   I have some questions in regard to log4cpp:
   1. where can I find the whole list of specifiers
like (%R, %x, %m etc.)?
   2. what is the difference between the files
log4cpp.init and log4cpp.properties? and How to write
those files?
   3. how to pass some extra arguments like
'thread-id', 'ip-address', 'port' etc. to the error(),
warn() functions so that we can rearrange them in the
final log line.
   4. which version of log4cpp is thread-safe.
                                                      
                                                      
                                 
   5. I downloaded the version 'log4cpp-0.3.5rc3' but
the command "./configure --with-threads" is giving
following error :
   [girish@malgudi log4cpp-0.3.5rc3]$ ./configure
--with-threads
   checking for a BSD-compatible install...
/usr/bin/install -c
   checking whether build environment is sane... yes
   checking for gawk... gawk
   checking whether make sets $(MAKE)... ./configure:
line 1: ac_make
                                                      
                                                      
                                 
   checking build system type... config/config.guess:
line 1:s: line 1: 31mLIBC=gnu: command not found
   config/config.guess: line 1:s: line 1: 31mLIBC=gnu:
command not found
   Invalid configuration `i686-pc-linux-': machine
`i686-pc-linux' not recognized
   configure: error: /bin/sh config/config.sub
i686-pc-linux- failed
                                                      
                                                      
                                 
   I will be thankful if anybody could help me in this
regard.
                                                      
                                                      
                                 
Thanks,
Girish

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RE: [Log4cpp-devel] few questions on log4cpp

[Philippe H. <phi...@ya...>]

Hello,

>    1. where can I find the whole list of specifiers
> like (%R, %x, %m etc.)?
It is associated with the PatternLayout class in
doxygen generated documentation and looks like this :
# %c - the category
# %d - the date
# %D - seconds since 1970
# %m - the message
# %n - the platform specific line separator
# %p - the priority
# %r - milliseconds since this layout was created.
# %R - seconds since Jan 1, 1970
# %u - clock ticks since process start
# %x - the NDC

>    2. what is the difference between the files
> log4cpp.init and log4cpp.properties? and How to
> write those files?
The best documentation we found for this was in the
PropertyConfiguratorImpl.cpp source file, which gives
you the list of existing appenders and the associated
properties.

>    4. which version of log4cpp is thread-safe.
None.
We submitted a patch (id 1368387) for a blatant
problem about thread safety in log4cpp 0.3.5rc3
CategoryStream class several months ago but got no
answer.

Regards,

PH







	

	
		
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