38 lines
955 B
Go
38 lines
955 B
Go
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// Copyright 2017 Frédéric Guillot. All rights reserved.
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// Use of this source code is governed by the Apache 2.0
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// license that can be found in the LICENSE file.
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package logger
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import (
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"fmt"
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"os"
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"time"
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)
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// Debug sends a debug log message.
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func Debug(format string, v ...interface{}) {
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formatMessage("DEBUG", format, v...)
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}
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// Info sends an info log message.
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func Info(format string, v ...interface{}) {
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formatMessage("INFO", format, v...)
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}
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// Error sends an error log message.
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func Error(format string, v ...interface{}) {
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formatMessage("ERROR", format, v...)
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}
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// Fatal sends a fatal log message and stop the execution of the program.
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func Fatal(format string, v ...interface{}) {
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formatMessage("FATAL", format, v...)
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os.Exit(1)
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}
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func formatMessage(level, format string, v ...interface{}) {
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prefix := fmt.Sprintf("[%s] [%s] ", time.Now().Format("2006-01-02T15:04:05"), level)
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fmt.Fprintf(os.Stderr, prefix+format+"\n", v...)
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}
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