/
cache.go
55 lines (46 loc) · 973 Bytes
/
cache.go
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package logrus_lfshook
import (
"github.com/Sirupsen/logrus"
"os"
"errors"
)
var (
ErrUnConfigLevel = errors.New("ErrUnConfigLevel")
)
const (
kb = 1024
cacheSize = 32 * kb
)
type logCache struct {
logData map[logrus.Level][]byte
}
func (l *logCache) init(config *HookConfig) {
l.logData = make(map[logrus.Level][]byte,
len(config.levels))
for level, _ := range config.levels {
l.logData[level] = make([]byte, 0, cacheSize)
}
}
func (l *logCache)cache(level logrus.Level, d []byte){
data, ok := l.logData[level]
if !ok{
return
}
data = append(data, d...)
l.logData[level] = data
}
func (l *logCache) flush(level logrus.Level, path string)error{
data, ok := l.logData[level]
if !ok{
return ErrUnConfigLevel
}
fd, err := os.OpenFile(path, os.O_WRONLY|os.O_APPEND|os.O_CREATE, 0666)
if err != nil {
l.logData[level] = data[0:0]
return err
}
defer fd.Close()
_, err = fd.Write(data)
l.logData[level] = data[0:0]
return err
}