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53 lines
1.1 KiB
53 lines
1.1 KiB
package logrus
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import (
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"bufio"
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"io"
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"runtime"
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)
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func (logger *Logger) Writer() *io.PipeWriter {
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return logger.WriterLevel(InfoLevel)
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}
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func (logger *Logger) WriterLevel(level Level) *io.PipeWriter {
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reader, writer := io.Pipe()
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var printFunc func(args ...interface{})
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switch level {
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case DebugLevel:
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printFunc = logger.Debug
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case InfoLevel:
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printFunc = logger.Info
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case WarnLevel:
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printFunc = logger.Warn
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case ErrorLevel:
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printFunc = logger.Error
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case FatalLevel:
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printFunc = logger.Fatal
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case PanicLevel:
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printFunc = logger.Panic
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default:
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printFunc = logger.Print
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}
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go logger.writerScanner(reader, printFunc)
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runtime.SetFinalizer(writer, writerFinalizer)
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return writer
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}
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func (logger *Logger) writerScanner(reader *io.PipeReader, printFunc func(args ...interface{})) {
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scanner := bufio.NewScanner(reader)
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for scanner.Scan() {
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printFunc(scanner.Text())
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}
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if err := scanner.Err(); err != nil {
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logger.Errorf("Error while reading from Writer: %s", err)
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}
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reader.Close()
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}
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func writerFinalizer(writer *io.PipeWriter) {
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writer.Close()
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}
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