mirror of
https://github.com/v2fly/v2ray-core.git
synced 2024-11-17 18:06:15 -05:00
42 lines
790 B
Go
42 lines
790 B
Go
// +build windows
|
|
|
|
package buf
|
|
|
|
import "syscall"
|
|
|
|
type windowsReader struct {
|
|
o syscall.Overlapped
|
|
bufs []syscall.WSABuf
|
|
flags uint32
|
|
qty uint32
|
|
}
|
|
|
|
func (r *windowsReader) Init(bs []*Buffer) {
|
|
if r.bufs == nil {
|
|
r.bufs = make([]syscall.WSABuf, 0, len(bs))
|
|
}
|
|
for _, b := range bs {
|
|
r.bufs = append(r.bufs, syscall.WSABuf{Len: uint32(b.Len()), Buf: &b.v[0]})
|
|
}
|
|
}
|
|
|
|
func (r *windowsReader) Clear() {
|
|
for idx := range r.bufs {
|
|
r.bufs[idx].Buf = nil
|
|
}
|
|
r.bufs = r.bufs[:0]
|
|
}
|
|
|
|
func (r *windowsReader) Read(fd uintptr) int32 {
|
|
var nBytes uint32
|
|
err := syscall.WSARecv(syscall.Handle(fd), &r.bufs[0], uint32(len(r.bufs)), &nBytes, &r.flags, &r.o, nil)
|
|
if err != nil {
|
|
return -1
|
|
}
|
|
return int32(nBytes)
|
|
}
|
|
|
|
func newMultiReader() multiReader {
|
|
return new(windowsReader)
|
|
}
|