zlog/syslog.go

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// +build !windows
// +build !binary_log
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package zerolog
import (
"io"
)
// SyslogWriter is an interface matching a syslog.Writer struct.
type SyslogWriter interface {
io.Writer
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Trace(m string) error
Debug(m string) error
Info(m string) error
Warning(m string) error
Err(m string) error
Emerg(m string) error
Crit(m string) error
}
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type syslogWriter struct {
w SyslogWriter
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}
// SyslogLevelWriter wraps a SyslogWriter and call the right syslog level
// method matching the zerolog level.
func SyslogLevelWriter(w SyslogWriter) LevelWriter {
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return syslogWriter{w}
}
func (sw syslogWriter) Write(p []byte) (n int, err error) {
return sw.w.Write(p)
}
// WriteLevel implements LevelWriter interface.
func (sw syslogWriter) WriteLevel(level Level, p []byte) (n int, err error) {
switch level {
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case TraceLevel:
err = sw.w.Trace(string(p))
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case DebugLevel:
err = sw.w.Debug(string(p))
case InfoLevel:
err = sw.w.Info(string(p))
case WarnLevel:
err = sw.w.Warning(string(p))
case ErrorLevel:
err = sw.w.Err(string(p))
case FatalLevel:
err = sw.w.Emerg(string(p))
case PanicLevel:
err = sw.w.Crit(string(p))
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case NoLevel:
err = sw.w.Info(string(p))
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default:
panic("invalid level")
}
n = len(p)
return
}