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var (

	// LogPrefix is a prefix to include in each log line.
	LogPrefix = flag.String("logprefix", "> ", "Prefix to log lines before logged messages")
	// LogFileAndLine determines if the log lines will contain caller file name and line number.
	LogFileAndLine = flag.Bool("logcaller", true, "Logs filename and line number of callers to log")


func Critf

func Critf(format string, rest ...interface{})

    Critf logs if Warning level is on.

    func Debugf

    func Debugf(format string, rest ...interface{})

      Debugf logs if Debug level is on.

      func Errf

      func Errf(format string, rest ...interface{})

        Errf logs if Warning level is on.

        func Fatalf

        func Fatalf(format string, rest ...interface{})

          Fatalf logs if Warning level is on.

          func Infof

          func Infof(format string, rest ...interface{})

            Infof logs if Info level is on.

            func Log

            func Log(lvl Level) bool

              Log returns true if a given level is currently logged.

              func LogDebug

              func LogDebug() bool

                LogDebug shortcut for fortio.Log(fortio.Debug).

                func LogVerbose

                func LogVerbose() bool

                  LogVerbose shortcut for fortio.Log(fortio.Verbose).

                  func LogVf

                  func LogVf(format string, rest ...interface{})

                    LogVf logs if Verbose level is on.

                    func Logf

                    func Logf(lvl Level, format string, rest ...interface{})

                      Logf logs with format at the given level. 2 level of calls so it's always same depth for extracting caller file/line.

                      func SetFlagDefaultsForClientTools

                      func SetFlagDefaultsForClientTools()

                        SetFlagDefaultsForClientTools changes the default value of -logprefix and -logcaller to make output without caller and prefix, a default more suitable for command line tools (like dnsping). Needs to be called before flag.Parse().

                        func SetFlags

                        func SetFlags(f int)

                          SetFlags forwards flags to the system logger.

                          func SetOutput

                          func SetOutput(w io.Writer)

                            SetOutput sets the output to a different writer (forwards to system logger).

                            func Warnf

                            func Warnf(format string, rest ...interface{})

                              Warnf logs if Warning level is on.


                              type Level

                              type Level int32

                                Level is the level of logging (0 Debug -> 6 Fatal).

                                const (
                                	Debug Level = iota

                                  Log levels. Go can't have variable and function of the same name so we keep medium length (Dbg,Info,Warn,Err,Crit,Fatal) names for the functions.

                                  func GetLogLevel

                                  func GetLogLevel() Level

                                    GetLogLevel returns the currently configured LogLevel.

                                    func LevelByName

                                    func LevelByName(str string) Level

                                      LevelByName returns the LogLevel by its name.

                                      func SetLogLevel

                                      func SetLogLevel(lvl Level) Level

                                        SetLogLevel sets the log level and returns the previous one.

                                        func SetLogLevelQuiet

                                        func SetLogLevelQuiet(lvl Level) Level

                                          SetLogLevelQuiet sets the log level and returns the previous one but does not log the change of level itself.

                                          func ValidateLevel

                                          func ValidateLevel(str string) (Level, error)

                                            ValidateLevel returns error if the level string is not valid.

                                            func (Level) String

                                            func (l Level) String() string

                                              String returns the string representation of the level.

                                              type LoggerI

                                              type LoggerI interface {
                                              	Printf(format string, rest ...interface{})

                                                LoggerI defines a log.Logger like interface for simple logging.

                                                func Logger

                                                func Logger() LoggerI

                                                  Logger returns a LoggerI (standard logger compatible) that can be used for simple logging.

                                                  Source Files