mirror of https://github.com/v2ray/v2ray-core
68 lines
1.5 KiB
Go
68 lines
1.5 KiB
Go
package serial
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import "strconv"
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import "io"
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// Uint16ToBytes serializes an uint16 into bytes in big endian order.
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func Uint16ToBytes(value uint16, b []byte) []byte {
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return append(b, byte(value>>8), byte(value))
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}
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func Uint16ToString(value uint16) string {
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return strconv.Itoa(int(value))
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}
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func ReadUint16(reader io.Reader) (uint16, error) {
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var b [2]byte
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if _, err := io.ReadFull(reader, b[:]); err != nil {
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return 0, err
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}
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return BytesToUint16(b[:]), nil
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}
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func WriteUint16(value uint16) func([]byte) (int, error) {
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return func(b []byte) (int, error) {
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b = Uint16ToBytes(value, b[:0])
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return 2, nil
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}
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}
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func Uint32ToBytes(value uint32, b []byte) []byte {
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return append(b, byte(value>>24), byte(value>>16), byte(value>>8), byte(value))
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}
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func Uint32ToString(value uint32) string {
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return strconv.FormatUint(uint64(value), 10)
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}
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func WriteUint32(value uint32) func([]byte) (int, error) {
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return func(b []byte) (int, error) {
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b = Uint32ToBytes(value, b[:0])
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return 4, nil
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}
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}
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func IntToBytes(value int, b []byte) []byte {
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return append(b, byte(value>>24), byte(value>>16), byte(value>>8), byte(value))
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}
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func IntToString(value int) string {
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return Int64ToString(int64(value))
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}
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func Int64ToBytes(value int64, b []byte) []byte {
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return append(b,
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byte(value>>56),
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byte(value>>48),
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byte(value>>40),
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byte(value>>32),
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byte(value>>24),
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byte(value>>16),
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byte(value>>8),
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byte(value))
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}
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func Int64ToString(value int64) string {
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return strconv.FormatInt(value, 10)
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}
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