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46 lines
765 B
46 lines
765 B
4 years ago
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package log
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import (
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"bytes"
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"fmt"
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"log"
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"os"
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"sync"
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)
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var _ Logger = (*stdLogger)(nil)
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type stdLogger struct {
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log *log.Logger
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pool *sync.Pool
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}
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// NewStdLogger new a std logger with options.
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func NewStdLogger() Logger {
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return &stdLogger{
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log: log.New(os.Stderr, "", log.LstdFlags),
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pool: &sync.Pool{
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New: func() interface{} {
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return new(bytes.Buffer)
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},
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},
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}
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}
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// Print print the kv pairs log.
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func (s *stdLogger) Print(kvpair ...interface{}) {
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if len(kvpair) == 0 {
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return
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}
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if len(kvpair)%2 != 0 {
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kvpair = append(kvpair, "")
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}
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buf := s.pool.Get().(*bytes.Buffer)
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for i := 0; i < len(kvpair); i += 2 {
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fmt.Fprintf(buf, "%s=%v ", kvpair[i], kvpair[i+1])
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}
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s.log.Println(buf.String())
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buf.Reset()
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s.pool.Put(buf)
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}
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