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Code Issues Releases Wiki Activity

futher reduce memory usage of uuid

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This commit is contained in:
v2ray 2016-01-11 00:22:59 +01:00
parent 774095568f
commit adf5820286
1 changed files with 12 additions and 17 deletions
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29
common/uuid/uuid.go
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@ -14,16 +14,14 @@ var (
InvalidID = errors.New("Invalid ID.")
)
type UUID struct {
byteValue []byte
}
type UUID [16]byte
func (this *UUID) String() string {
return bytesToString(this.byteValue)
return bytesToString(this.Bytes())
}
func (this *UUID) Bytes() []byte {
return this.byteValue
return this[:]
}
func (this *UUID) Equals(another *UUID) bool {
@ -63,19 +61,18 @@ func bytesToString(bytes []byte) string {
}
func New() *UUID {
bytes := make([]byte, 16)
rand.Read(bytes)
uuid, _ := ParseBytes(bytes)
uuid := new(UUID)
rand.Read(uuid.Bytes())
return uuid
}
func ParseBytes(bytes []byte) (*UUID, error) {
if len(bytes) != 16 {
func ParseBytes(b []byte) (*UUID, error) {
if len(b) != 16 {
return nil, InvalidID
}
return &UUID{
byteValue: bytes,
}, nil
uuid := new(UUID)
copy(uuid[:], b)
return uuid, nil
}
func ParseString(str string) (*UUID, error) {
@ -84,10 +81,8 @@ func ParseString(str string) (*UUID, error) {
return nil, InvalidID
}
uuid := &UUID{
byteValue: make([]byte, 16),
}
b := uuid.byteValue[:]
uuid := new(UUID)
b := uuid.Bytes()
for _, byteGroup := range byteGroups {
if text[0] == '-' {