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logger::utils(n) Object Oriented logging facility logger::utils(n)
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NAME
logger::utils - Utilities for logger
SYNOPSIS
package require Tcl 8.4
package require logger::utils ?1.3?
::logger::utils::createFormatCmd formatString
::logger::utils::createLogProc -procName procName ?options...?
::logger::utils::applyAppender -appender appenderType ?options...?
::logger::utils::autoApplyAppender command command-string log op args...
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DESCRIPTION
This package adds template based appenders.
::logger::utils::createFormatCmd formatString
This command translates formatString into an expandable command string. The following strings
are the known substitutions (from log4perl) allowed to occur in the formatString:
%c Category of the logging event
%C Fully qualified name of logging event
%d Current date in yyyy/MM/dd hh:mm:ss
%H Hostname
%m Message to be logged
%M Method where logging event was issued
%p Priority of logging event
%P Pid of current process
::logger::utils::createLogProc -procName procName ?options...?
This command ...
-procName procName
The name of the procedure to create.
-conversionPattern pattern
See ::logger::utils::createFormatCmd for the substitutions allowed in the pattern.
-category category
The category (service).
-priority priority
The priority (level).
-outputChannel channel
channel to output on (default stdout)
::logger::utils::applyAppender -appender appenderType ?options...?
This command will create an appender for the specified logger services. If no service is spec-ified specified
ified then the appender will be added as the default appender for the specified levels. If no
levels are specified, then all levels are assumed.
-service loggerservices
-serviceCmd loggerserviceCmds
Name of the logger instance to modify. -serviceCmd takes as input the return of log-ger::init. logger::init.
ger::init.
-appender appenderType
Type of the appender to use. One of console, colorConsole.
-conversionPattern pattern
See ::logger::utils::createFormatCmd for the format of the pattern. If this option is
not provided the default pattern
[%d] [%c] [%M] [%p] %m
is used.
-levels levelList
The list of levels to apply this appender to. If not specified all levels are assumed.
Example of usage:
% set log [logger::init testLog]
::logger::tree::testLog
% logger::utils::applyAppender -appender console -serviceCmd $log
% ${log}::error "this is an error"
[2005/08/22 10:14:13] [testLog] [global] [error] this is an error
::logger::utils::autoApplyAppender command command-string log op args...
This command is designed to be added via trace leave to calls of logger::init. It will look at
preconfigured state (via ::logger::utils::applyAppender) to autocreate appenders for newly
created logger instances. It will return its argument log.
Example of usage:
logger::utils::applyAppender -appender console
set log [logger::init applyAppender-3]
${log}::error "this is an error"
BUGS, IDEAS, FEEDBACK
This document, and the package it describes, will undoubtedly contain bugs and other problems.
Please report such in the category logger of the Tcllib SF Trackers [http://source-
forge.net/tracker/?group_id=12883]. Please also report any ideas for enhancements you may have for
either package and/or documentation.
KEYWORDS
appender, logger
COPYRIGHT
Copyright (c) 2005 Aamer Akhter <aakhter@cisco.com>
log 1.3 logger::utils(n)
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