4x Log Levels

Log levels

nxlog4go provides log levels as below:

type Level int

const (
	FINEST Level = iota
	FINE
	DEBUG
	TRACE
	INFO
	WARNING
	ERROR
	CRITICAL
	_SILENT_ = 100
)

// Strings
var (
	levelStrings = [...]string{"FNST", "FINE", "DEBG", "TRAC", "INFO", "WARN", "EROR", "CRIT", "OFFL"}
)

DEBUG - WARNING, are more useful.

ERROR, may cause the program exited.

CRITICAL, may crash the program.

_SILENT_, used during configuration to turn in quiet mode. It is used in loglog (internal logger) and set as default.

Setting filter level

var log = l4g.New(l4g.DEBUG)

Setting the log level when build a logger.

log.SetLevel(l4g.WARNING)

Setting the output level for the logger. Any log's level which is lower then WARNING should be ignored.

SetXXX functions in nxlog4go always return a point, so it is chainable. For example:

var log = l4g.New(l4g.DEBUG).SetPrefix("example").SetPattern("[%T %D %Z] [%L] (%P:%s) %M\n")

Example

See also:

example.go