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package kcp
import (
"io"
"sync"
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"github.com/xtls/xray-core/common/buf"
"github.com/xtls/xray-core/common/retry"
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)
type SegmentWriter interface {
Write(seg Segment) error
}
type SimpleSegmentWriter struct {
sync.Mutex
buffer *buf.Buffer
writer io.Writer
}
func NewSegmentWriter(writer io.Writer) SegmentWriter {
return &SimpleSegmentWriter{
writer: writer,
buffer: buf.New(),
}
}
func (w *SimpleSegmentWriter) Write(seg Segment) error {
w.Lock()
defer w.Unlock()
w.buffer.Clear()
rawBytes := w.buffer.Extend(seg.ByteSize())
seg.Serialize(rawBytes)
_, err := w.writer.Write(w.buffer.Bytes())
return err
}
type RetryableWriter struct {
writer SegmentWriter
}
func NewRetryableWriter(writer SegmentWriter) SegmentWriter {
return &RetryableWriter{
writer: writer,
}
}
func (w *RetryableWriter) Write(seg Segment) error {
return retry.Timed(5, 100).On(func() error {
return w.writer.Write(seg)
})
}