70 lines
1.2 KiB
Go
70 lines
1.2 KiB
Go
package logawl
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import (
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"fmt"
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"io"
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"sync"
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"sync/atomic"
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)
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type Level int32
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type Logger struct {
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Mu sync.Mutex
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Level Level
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Prefix string
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Out io.Writer
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buf []byte
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isDiscard int32
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}
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// Stores whatever input value is in mem address of l.level
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func (l *Logger) SetLevel(level Level) {
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atomic.StoreInt32((*int32)(&l.Level), int32(level))
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}
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// Mostly nothing
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func (l *Logger) GetLevel() Level {
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return l.level()
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}
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// Retrieves whatever was stored in mem address of l.level
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func (l *Logger) level() Level {
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return Level(atomic.LoadInt32((*int32)(&l.Level)))
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}
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// Unmarshalls the int value of level for writing the header
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func (l *Logger) UnMarshalLevel() (string, error) {
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lv := l.GetLevel()
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switch lv {
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case 0:
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return "fatal: ", nil
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case 1:
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return "error: ", nil
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case 2:
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return "info: ", nil
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case 3:
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return "debug: ", nil
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}
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return "", fmt.Errorf("Invalid log level choice")
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}
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var AllLevels = []Level{
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FatalLevel,
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ErrorLevel,
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InfoLevel,
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DebugLevel,
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}
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const (
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// Fatal logs (will call exit(1))
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FatalLevel Level = iota
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// Error logs
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ErrorLevel
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// What is going on level
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InfoLevel
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// Verbose log level.
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DebugLevel
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)
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