Differences

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--- metamod:logging [2010-07-07 11:36:58]
oysteint Added synopsis for php
+++ metamod:logging [2022-05-31 09:29:32] (current)
@@ Line 32: / Line 32: @@
 my $logger = get_logger($category);
-$logger->error('something wrong just happend');
+$logger->error("something wrong just happend\n"); # remember \n
 </code>
@@ Line 57: / Line 57: @@
   # after the logger is initialised you can do this
   # Note that you don't need to include the log4php library as that has already been done
-  $logger = getLogger( $category );
+  $logger = Logger::getLogger( $category );
   $logger->info( 'Loggmelding' );
@@ Line 78: / Line 78: @@
   log4perl.logger.metamod.search=DEBUG, SEARCH_LOGGER
+  # prevent garbage from reaching the root logger
+  log4perl.additivity.metamod.search=0
   log4perl.appender.SEARCH_LOGGER=Log::Log4perl::Appender::File
   log4perl.appender.SEARCH_LOGGER.filename = /some/file
   log4perl.appender.SEARCH_LOGGER.layout=Log::Log4perl::Layout::PatternLayout
   log4perl.appender.SEARCH_LOGGER.layout.ConversionPattern=%F on line: %L msg: %m%n
-  # prevent garbage from reaching the root logger
-  log4perl.appender.SEARCH_LOGGER.additivity=0
+==== Example screen appender ====
+The following configuration will send all log messages to the screen.
+  log4perl.rootLogger=DEBUG, SCREEN
+  log4perl.appender.SCREEN=Log::Log4perl::Appender::Screen
+  log4perl.appender.SCREEN.stderr = 1
+  log4perl.appender.SCREEN.layout=Log::Log4perl::Layout::PatternLayout
+  log4perl.appender.SCREEN.layout.ConversionPattern=[%p] %c %m in %F at line %L%n
 ===== Levels =====
@@ Line 91: / Line 101: @@
   * FATAL: requires instant human assistance (IT operations). For instance full disks, lack of connection to database servers, file servers or LDAP.
   * ERROR: serious error, but isolated to current task/request. Does not affect entire METAMOD instance. IT operations should be notified.
+    * Exceptions, even if caught later
   * WARNING: Might be an error, but not necessarily. Should be looked at to see if it is an actual problem.
-  * INFO: Used to track main application use in production. For instance tracking user log in, uploads, metadata parsing info and other statistics
+    * milder Exceptions, usually caught
+  * INFO: Used to track main application use in production:
+    * tracking user
+      * log in
+      * log out
+      * generate/update directories
+    * tracking of data:
+      * uploads (ftp/http (which user?))
+      * moving
+      * deletion
+    * tracking of metadata
+      * source (ncdigest, harvest), ownertag
+      * installing/changing xml-files
+      * changes of xmd-metadata (which user?)
+      * uploading to search-database(s)
+    *  other statistics?
   * DEBUG: Free to be used by the developers as they see fit during development. DEBUG logging should rarely be used in production.