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33 lines
488 B
Go
33 lines
488 B
Go
package monica
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import (
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"io"
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"log"
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)
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type LogWriter struct {
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io.Writer
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origin io.Writer
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}
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func (w *LogWriter) Write(data []byte) (n int, err error) {
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if n, err = w.Writer.Write(data); err != nil {
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go log.SetOutput(w.origin)
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}
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return w.origin.Write(data)
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}
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func AddWriter(wn io.Writer) {
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log.SetOutput(&LogWriter{
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Writer: wn,
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origin: log.Writer(),
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})
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}
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func MayBeError(info error) (hasError bool) {
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if hasError = info != nil; hasError {
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log.Print(info)
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}
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return
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}
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