65 lines
1.2 KiB
Go
65 lines
1.2 KiB
Go
package stream
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import (
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"io"
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"sync/atomic"
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"github.com/rs/zerolog"
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)
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// DebugStream will tee each read and write to the output logger as a debug message
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type DebugStream struct {
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reader io.Reader
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writer io.Writer
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log *zerolog.Logger
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max uint64
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count atomic.Uint64
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}
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func NewDebugStream(stream io.ReadWriter, logger *zerolog.Logger, max uint64) *DebugStream {
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return &DebugStream{
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reader: stream,
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writer: stream,
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log: logger,
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max: max,
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}
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}
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func (d *DebugStream) Read(p []byte) (n int, err error) {
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n, err = d.reader.Read(p)
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if n > 0 && d.max > d.count.Load() {
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d.count.Add(1)
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if err != nil {
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d.log.Err(err).
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Str("dir", "r").
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Int("count", n).
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Msgf("%+q", p[:n])
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} else {
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d.log.Debug().
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Str("dir", "r").
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Int("count", n).
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Msgf("%+q", p[:n])
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}
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}
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return
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}
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func (d *DebugStream) Write(p []byte) (n int, err error) {
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n, err = d.writer.Write(p)
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if n > 0 && d.max > d.count.Load() {
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d.count.Add(1)
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if err != nil {
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d.log.Err(err).
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Str("dir", "w").
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Int("count", n).
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Msgf("%+q", p[:n])
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} else {
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d.log.Debug().
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Str("dir", "w").
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Int("count", n).
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Msgf("%+q", p[:n])
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}
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}
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return
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}
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