mirror of
https://github.com/chrislusf/seaweedfs
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45 lines
1 KiB
Go
45 lines
1 KiB
Go
// +build 128BitNeedleId
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package types
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import (
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"encoding/hex"
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)
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const (
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NeedleIdSize = 16
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NeedleIdEmpty = ""
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)
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// this is a 128 bit needle id implementation.
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// Usually a FileId has 32bit volume id, 64bit needle id, 32 bit cookie.
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// But when your system is using UUID, which is 128 bit, a custom 128-bit needle id can be easier to manage.
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// Caveat: In this mode, the fildId from master /dir/assign can not be directly used.
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// Only the volume id and cookie from the fileId are usuable.
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type NeedleId string
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func NeedleIdToBytes(bytes []byte, needleId NeedleId) {
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hex.Decode(bytes, []byte(needleId))
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}
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// NeedleIdToUint64 used to send max needle id to master
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func NeedleIdToUint64(needleId NeedleId) uint64 {
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return 0
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}
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func Uint64ToNeedleId(needleId uint64) NeedleId {
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return NeedleId("")
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}
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func BytesToNeedleId(bytes []byte) (needleId NeedleId) {
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return NeedleId(hex.EncodeToString(bytes))
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}
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func (k NeedleId) String() string {
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return string(k)
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}
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func ParseNeedleId(idString string) (NeedleId, error) {
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return NeedleId(idString), nil
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}
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