Xray-core/common/serial/serial.go

30 lines
736 B
Go

package serial
import (
"encoding/binary"
"io"
)
// ReadUint16 reads first two bytes from the reader, and then converts them to an uint16 value.
func ReadUint16(reader io.Reader) (uint16, error) {
var b [2]byte
if _, err := io.ReadFull(reader, b[:]); err != nil {
return 0, err
}
return binary.BigEndian.Uint16(b[:]), nil
}
// WriteUint16 writes an uint16 value into writer.
func WriteUint16(writer io.Writer, value uint16) (int, error) {
var b [2]byte
binary.BigEndian.PutUint16(b[:], value)
return writer.Write(b[:])
}
// WriteUint64 writes an uint64 value into writer.
func WriteUint64(writer io.Writer, value uint64) (int, error) {
var b [8]byte
binary.BigEndian.PutUint64(b[:], value)
return writer.Write(b[:])
}