mirror of
https://github.com/go-gitea/gitea
synced 2024-12-21 07:24:27 +01:00
112 lines
1.8 KiB
Go
112 lines
1.8 KiB
Go
package log
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import (
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"io"
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"os"
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"path/filepath"
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"sync"
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"time"
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)
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var _ io.Writer = &Files{}
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type ByType int
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const (
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ByDay ByType = iota
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ByHour
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ByMonth
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)
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var (
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formats = map[ByType]string{
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ByDay: "2006-01-02",
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ByHour: "2006-01-02-15",
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ByMonth: "2006-01",
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}
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)
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func SetFileFormat(t ByType, format string) {
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formats[t] = format
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}
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func (b ByType) Format() string {
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return formats[b]
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}
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type Files struct {
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FileOptions
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f *os.File
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lastFormat string
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lock sync.Mutex
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}
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type FileOptions struct {
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Dir string
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ByType ByType
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Loc *time.Location
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}
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func prepareFileOption(opts []FileOptions) FileOptions {
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var opt FileOptions
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if len(opts) > 0 {
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opt = opts[0]
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}
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if opt.Dir == "" {
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opt.Dir = "./"
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}
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err := os.MkdirAll(opt.Dir, os.ModePerm)
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if err != nil {
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panic(err.Error())
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}
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if opt.Loc == nil {
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opt.Loc = time.Local
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}
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return opt
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}
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func NewFileWriter(opts ...FileOptions) *Files {
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opt := prepareFileOption(opts)
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return &Files{
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FileOptions: opt,
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}
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}
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func (f *Files) getFile() (*os.File, error) {
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var err error
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t := time.Now().In(f.Loc)
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if f.f == nil {
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f.lastFormat = t.Format(f.ByType.Format())
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f.f, err = os.OpenFile(filepath.Join(f.Dir, f.lastFormat+".log"),
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os.O_CREATE|os.O_APPEND|os.O_WRONLY, 0600)
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return f.f, err
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}
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if f.lastFormat != t.Format(f.ByType.Format()) {
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f.f.Close()
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f.lastFormat = t.Format(f.ByType.Format())
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f.f, err = os.OpenFile(filepath.Join(f.Dir, f.lastFormat+".log"),
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os.O_CREATE|os.O_APPEND|os.O_WRONLY, 0600)
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return f.f, err
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}
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return f.f, nil
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}
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func (f *Files) Write(bs []byte) (int, error) {
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f.lock.Lock()
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defer f.lock.Unlock()
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w, err := f.getFile()
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if err != nil {
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return 0, err
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}
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return w.Write(bs)
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}
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func (f *Files) Close() {
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if f.f != nil {
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f.f.Close()
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f.f = nil
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}
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f.lastFormat = ""
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}
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