log

README

log

Package log implements a simple logger.

Register writers (such as files, pipes, etc) using RegWriter and start logging. If no writers are registered Log writes everything to os.Stdout.

Documentation

Overview

Implements a simple logger. Register writers (such as files, pipes, etc) using RegWriter and start logging. If no writers are registered Log writes everything to os.Stdout.

Index

• func Debug(f string, v ...interface{})
• func Error(f string, e error, v ...interface{})
• func Info(f string, v ...interface{})
• func Log(f string, v ...interface{})
• func Warning(f string, v ...interface{})
• type Logger
  • func DefaultLog() *Logger
  • func NewLog(loglevel int) *Logger
  • func (l *Logger) Debug(f string, v ...interface{})
  • func (l *Logger) Error(f string, e error, v ...interface{}) error
  • func (l *Logger) Info(f string, v ...interface{})
  • func (l *Logger) Log(f string, v ...interface{})
  • func (l *Logger) RegWriter(name string, w io.Writer)
  • func (l *Logger) UnregWriter(name string)
  • func (l *Logger) Warning(f string, v ...interface{})

Functions

func Debug

func Debug(f string, v ...interface{})

Format v to f and Log it. Logs if LogLevel >= 4.

func Error

func Error(f string, e error, v ...interface{})

Errorf logs then returns error e prefixed with v formatted to f. Logs if LogLevel >= 1.

func Info

func Info(f string, v ...interface{})

Format v to f and Log it. Logs if LogLevel >= 3.

func Log

func Log(f string, v ...interface{})

Format v with f and log it.

func Warning

func Warning(f string, v ...interface{})

Format v to f and log it. Logs if LogLevel >= 2.

Types

type Logger

type Logger struct {
	LogLevel int // (0 .. 4) = (no logging, error, warning, info, debug)
	// contains filtered or unexported fields
}

Logger

func DefaultLog

func DefaultLog() *Logger

Returns default logger for tweaking.

func NewLog

func NewLog(loglevel int) *Logger

Creates a new log.

func (*Logger) Debug

func (l *Logger) Debug(f string, v ...interface{})

Format v to f and Log it. Logs if LogLevel >= 4.

func (*Logger) Error

func (l *Logger) Error(f string, e error, v ...interface{}) error

Errorf logs then returns error e prefixed with v formatted to f. Logs if LogLevel >= 1.

func (*Logger) Info

func (l *Logger) Info(f string, v ...interface{})

Format v to f and Log it. Logs if LogLevel >= 3.

func (*Logger) Log

func (l *Logger) Log(f string, v ...interface{})

Format v with f and log it.

func (*Logger) RegWriter

func (l *Logger) RegWriter(name string, w io.Writer)

Register a valid io.Writer by name. Caller is responsible for writer. Name is used solely if caller wishes to UnregWriter() later on.

func (*Logger) UnregWriter

func (l *Logger) UnregWriter(name string)

Unregisters a writer by name.

func (*Logger) Warning

func (l *Logger) Warning(f string, v ...interface{})

Format v to f and log it. Logs if LogLevel >= 2.