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B<Description>: Prepended to every log entry

B<Default value>: ""

=item loglevel I<inherited from Arc>

B<Description>: loglevel is combination of bits (1=AUTH,2=USER,4=ERR,8=CMDDEBUG,16=VERBSIDE,32=DEBUG) see _Log method

B<Default value>: 7

=back 

=over 2

=back 

=head3 PROTECTED MEMBERS

=over 2

=item _error I<inherited from Arc>

B<Description>: contains the error message

B<Default value>: undef

=item _syslog I<inherited from Arc>

B<Description>: log to syslog or to STDERR

B<Default value>: 1

=back 

=over 2

=back 

=head3 PRIVATE MEMBERS

=over 2

=item __arc 

B<Description>: stores the Arc::Connection::Server object for optimal PreFork

B<Default value>: undef

=back 

=head1 Class METHODS

=head3 PUBLIC METHODS

=over 2

=item child_init_hook (  ) 

=item post_accept (  ) 

=item process_request (  ) 

=item Start (  ) 

B<Description>: start the server
This function is used by the user to start the server and enter the main accept-loop.
Only by calling the C<Interrupt> function this call can be aborted.


B<Returns:> return true if everything worked fine, otherwise false is returned and C<IsError> should be checked.


B<Example:>

$arc->Start();


=item write_to_log_hook (  ) 

=back 

=over 2

=item DESTROY (  ) I<inherited from Arc>

B<Description>: Destructor


=item IsError (  ) I<inherited from Arc>

B<Description>: User function to get the error msg.


B<Returns:> the error message if any otherwise undef


B<Example:>

unless (my $err = $arc->IsError()) { .. } else { print STDERR $err; }


=item Log ( $facility, ... (message) ) I<inherited from Arc>

B<Description>: Log function.
Logs messages to 'logdestination' if 'loglevel' is is set appropriatly.
loglevel behaviour has changed in the 1.0 release of ARCv2, the "Arc"-class can export
LOG_AUTH (authentication information), LOG_USER (connection information), LOG_ERR (errors), 
LOG_CMD (ARCv2 addition internal command information), LOG_SIDE (verbose client/server-specific
information), LOG_DEBUG (verbose debug information). It possible to combine the 
levels with or (resp. +) to allow a message to appear when not all loglevels are 
requested by the user.
Commonly used for logging errors from application level.


B<Returns:> always false


B<Example:>

return $arc->Log(LOG_ERR,"Message");