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39 lines
733 B
39 lines
733 B
package buf |
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import ( |
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"syscall" |
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) |
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type windowsReader struct { |
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bufs []syscall.WSABuf |
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} |
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func (r *windowsReader) Init(bs []*Buffer) { |
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if r.bufs == nil { |
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r.bufs = make([]syscall.WSABuf, 0, len(bs)) |
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} |
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for _, b := range bs { |
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r.bufs = append(r.bufs, syscall.WSABuf{Len: uint32(Size), Buf: &b.v[0]}) |
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} |
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} |
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func (r *windowsReader) Clear() { |
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for idx := range r.bufs { |
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r.bufs[idx].Buf = nil |
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} |
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r.bufs = r.bufs[:0] |
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} |
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func (r *windowsReader) Read(fd uintptr) int32 { |
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var nBytes uint32 |
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var flags uint32 |
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err := syscall.WSARecv(syscall.Handle(fd), &r.bufs[0], uint32(len(r.bufs)), &nBytes, &flags, nil, nil) |
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if err != nil { |
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return -1 |
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} |
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return int32(nBytes) |
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} |
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func newMultiReader() multiReader { |
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return new(windowsReader) |
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}
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