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Beego/logs/logger.go
2016-03-11 13:00:58 +08:00

80 lines
1.7 KiB
Go

// Copyright 2014 beego Author. All Rights Reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package logs
import (
"io"
"sync"
"time"
)
type logWriter struct {
sync.Mutex
writer io.Writer
}
func newLogWriter(wr io.Writer) *logWriter {
return &logWriter{writer: wr}
}
func (lg *logWriter) println(when time.Time, msg string) {
lg.Lock()
h, _ := formatTimeHeader(when)
lg.writer.Write(append(append(h, msg...), '\n'))
lg.Unlock()
}
func formatTimeHeader(when time.Time) ([]byte, int) {
y, mo, d := when.Date()
h, mi, s := when.Clock()
//len(2006/01/02 15:03:04)==19
var buf [20]byte
t := 3
for y >= 10 {
p := y / 10
buf[t] = byte('0' + y - p*10)
y = p
t--
}
buf[0] = byte('0' + y)
buf[4] = '/'
if mo > 9 {
buf[5] = '1'
buf[6] = byte('0' + mo - 9)
} else {
buf[5] = '0'
buf[6] = byte('0' + mo)
}
buf[7] = '/'
t = d / 10
buf[8] = byte('0' + t)
buf[9] = byte('0' + d - t*10)
buf[10] = ' '
t = h / 10
buf[11] = byte('0' + t)
buf[12] = byte('0' + h - t*10)
buf[13] = ':'
t = mi / 10
buf[14] = byte('0' + t)
buf[15] = byte('0' + mi - t*10)
buf[16] = ':'
t = s / 10
buf[17] = byte('0' + t)
buf[18] = byte('0' + s - t*10)
buf[19] = ' '
return buf[0:], d
}