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// Copyright 2023 The Gitea Authors. All rights reserved.
// SPDX-License-Identifier: MIT
package log
import (
"io"
"code.gitea.io/gitea/modules/util/rotatingfilewriter"
)
type WriterFileOption struct {
FileName string
MaxSize int64
LogRotate bool
DailyRotate bool
MaxDays int
Compress bool
CompressionLevel int
}
type eventWriterFile struct {
*EventWriterBaseImpl
fileWriter io.WriteCloser
}
var _ EventWriter = (*eventWriterFile)(nil)
func NewEventWriterFile(name string, mode WriterMode) EventWriter {
w := &eventWriterFile{EventWriterBaseImpl: NewEventWriterBase(name, "file", mode)}
opt := mode.WriterOption.(WriterFileOption)
var err error
w.fileWriter, err = rotatingfilewriter.Open(opt.FileName, &rotatingfilewriter.Options{
Rotate: opt.LogRotate,
MaximumSize: opt.MaxSize,
RotateDaily: opt.DailyRotate,
KeepDays: opt.MaxDays,
Compress: opt.Compress,
CompressionLevel: opt.CompressionLevel,
})
if err != nil {
// if the log file can't be opened, what should it do? panic/exit? ignore logs? fallback to stderr?
// it seems that "fallback to stderr" is slightly better than others ....
FallbackErrorf("unable to open log file %q: %v", opt.FileName, err)
w.fileWriter = nopCloser{Writer: LoggerToWriter(FallbackErrorf)}
}
w.OutputWriteCloser = w.fileWriter
return w
}
func init() {
RegisterEventWriter("file", NewEventWriterFile)
}
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