Xray-core/common/protocol/id.go

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2020-11-25 13:01:53 +02:00
package protocol
import (
"crypto/md5"
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"github.com/xtls/xray-core/common"
"github.com/xtls/xray-core/common/uuid"
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)
const (
IDBytesLen = 16
)
// The ID of en entity, in the form of a UUID.
type ID struct {
uuid uuid.UUID
cmdKey [IDBytesLen]byte
}
// Equals returns true if this ID equals to the other one.
func (id *ID) Equals(another *ID) bool {
return id.uuid.Equals(&(another.uuid))
}
func (id *ID) Bytes() []byte {
return id.uuid.Bytes()
}
func (id *ID) String() string {
return id.uuid.String()
}
func (id *ID) UUID() uuid.UUID {
return id.uuid
}
func (id ID) CmdKey() []byte {
return id.cmdKey[:]
}
// NewID returns an ID with given UUID.
func NewID(uuid uuid.UUID) *ID {
id := &ID{uuid: uuid}
md5hash := md5.New()
common.Must2(md5hash.Write(uuid.Bytes()))
common.Must2(md5hash.Write([]byte("c48619fe-8f02-49e0-b9e9-edf763e17e21")))
md5hash.Sum(id.cmdKey[:0])
return id
}