101 lines
2.3 KiB
Go
101 lines
2.3 KiB
Go
|
package log
|
||
|
|
|
||
|
|
import (
|
||
|
|
"context"
|
||
|
|
"fmt"
|
||
|
|
"io"
|
||
|
|
"log"
|
||
|
|
"os"
|
||
|
|
)
|
||
|
|
|
||
|
|
var logger AllLogger = &defaultLogger{
|
||
|
|
stdlog: log.New(os.Stderr, "", log.LstdFlags|log.Lshortfile|log.Lmicroseconds),
|
||
|
|
depth: 4,
|
||
|
|
}
|
||
|
|
|
||
|
|
// Logger is a logger interface that provides logging function with levels.
|
||
|
|
type Logger interface {
|
||
|
|
Trace(v ...interface{})
|
||
|
|
Debug(v ...interface{})
|
||
|
|
Info(v ...interface{})
|
||
|
|
Warn(v ...interface{})
|
||
|
|
Error(v ...interface{})
|
||
|
|
Fatal(v ...interface{})
|
||
|
|
Panic(v ...interface{})
|
||
|
|
}
|
||
|
|
|
||
|
|
// FormatLogger is a logger interface that output logs with a format.
|
||
|
|
type FormatLogger interface {
|
||
|
|
Tracef(format string, v ...interface{})
|
||
|
|
Debugf(format string, v ...interface{})
|
||
|
|
Infof(format string, v ...interface{})
|
||
|
|
Warnf(format string, v ...interface{})
|
||
|
|
Errorf(format string, v ...interface{})
|
||
|
|
Fatalf(format string, v ...interface{})
|
||
|
|
Panicf(format string, v ...interface{})
|
||
|
|
}
|
||
|
|
|
||
|
|
// WithLogger is a logger interface that output logs with a message and key-value pairs.
|
||
|
|
type WithLogger interface {
|
||
|
|
Tracew(msg string, keysAndValues ...interface{})
|
||
|
|
Debugw(msg string, keysAndValues ...interface{})
|
||
|
|
Infow(msg string, keysAndValues ...interface{})
|
||
|
|
Warnw(msg string, keysAndValues ...interface{})
|
||
|
|
Errorw(msg string, keysAndValues ...interface{})
|
||
|
|
Fatalw(msg string, keysAndValues ...interface{})
|
||
|
|
Panicw(msg string, keysAndValues ...interface{})
|
||
|
|
}
|
||
|
|
|
||
|
|
type CommonLogger interface {
|
||
|
|
Logger
|
||
|
|
FormatLogger
|
||
|
|
WithLogger
|
||
|
|
}
|
||
|
|
|
||
|
|
// ControlLogger provides methods to config a logger.
|
||
|
|
type ControlLogger interface {
|
||
|
|
SetLevel(Level)
|
||
|
|
SetOutput(io.Writer)
|
||
|
|
}
|
||
|
|
|
||
|
|
// AllLogger is the combination of Logger, FormatLogger, CtxLogger and ControlLogger.
|
||
|
|
// Custom extensions can be made through AllLogger
|
||
|
|
type AllLogger interface {
|
||
|
|
CommonLogger
|
||
|
|
ControlLogger
|
||
|
|
WithContext(ctx context.Context) CommonLogger
|
||
|
|
}
|
||
|
|
|
||
|
|
// Level defines the priority of a log message.
|
||
|
|
// When a logger is configured with a level, any log message with a lower
|
||
|
|
// log level (smaller by integer comparison) will not be output.
|
||
|
|
type Level int
|
||
|
|
|
||
|
|
// The levels of logs.
|
||
|
|
const (
|
||
|
|
LevelTrace Level = iota
|
||
|
|
LevelDebug
|
||
|
|
LevelInfo
|
||
|
|
LevelWarn
|
||
|
|
LevelError
|
||
|
|
LevelFatal
|
||
|
|
LevelPanic
|
||
|
|
)
|
||
|
|
|
||
|
|
var strs = []string{
|
||
|
|
"[Trace] ",
|
||
|
|
"[Debug] ",
|
||
|
|
"[Info] ",
|
||
|
|
"[Warn] ",
|
||
|
|
"[Error] ",
|
||
|
|
"[Fatal] ",
|
||
|
|
"[Panic] ",
|
||
|
|
}
|
||
|
|
|
||
|
|
func (lv Level) toString() string {
|
||
|
|
if lv >= LevelTrace && lv <= LevelPanic {
|
||
|
|
return strs[lv]
|
||
|
|
}
|
||
|
|
return fmt.Sprintf("[?%d] ", lv)
|
||
|
|
}
|