64 lines
1.0 KiB
Go
64 lines
1.0 KiB
Go
// Copyright (c) 2012-2014 Jeremy Latt
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// released under the MIT license
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package irc
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import (
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"io"
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"log"
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"os"
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)
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type Logging struct {
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debug *log.Logger
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info *log.Logger
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warn *log.Logger
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error *log.Logger
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}
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var (
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levels = map[string]uint8{
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"debug": 4,
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"info": 3,
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"warn": 2,
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"error": 1,
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}
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devNull io.Writer
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)
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func init() {
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var err error
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devNull, err = os.Open(os.DevNull)
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if err != nil {
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log.Fatal(err)
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}
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}
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func NewLogger(on bool) *log.Logger {
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return log.New(output(on), "", log.LstdFlags)
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}
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func output(on bool) io.Writer {
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if on {
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return os.Stdout
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}
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return devNull
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}
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func (logging *Logging) SetLevel(level string) {
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logging.debug = NewLogger(levels[level] >= levels["debug"])
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logging.info = NewLogger(levels[level] >= levels["info"])
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logging.warn = NewLogger(levels[level] >= levels["warn"])
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logging.error = NewLogger(levels[level] >= levels["error"])
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}
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func NewLogging(level string) *Logging {
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logging := &Logging{}
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logging.SetLevel(level)
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return logging
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}
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var (
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Log = NewLogging("warn")
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)
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