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package storage
import (
"encoding/hex"
. "github.com/chrislusf/seaweedfs/weed/storage/types"
)
type FileId struct {
VolumeId VolumeId
Key NeedleId
Cookie Cookie
}
func NewFileIdFromNeedle(VolumeId VolumeId, n *Needle) *FileId {
return &FileId{VolumeId: VolumeId, Key: n.Id, Cookie: n.Cookie}
}
func NewFileId(VolumeId VolumeId, key uint64, cookie uint32) *FileId {
return &FileId{VolumeId: VolumeId, Key: Uint64ToNeedleId(key), Cookie: Uint32ToCookie(cookie)}
}
func (n *FileId) String() string {
bytes := make([]byte, NeedleIdSize+CookieSize)
NeedleIdToBytes(bytes[0:NeedleIdSize], n.Key)
CookieToBytes(bytes[NeedleIdSize:NeedleIdSize+CookieSize], n.Cookie)
nonzero_index := 0
for ; bytes[nonzero_index] == 0; nonzero_index++ {
}
return n.VolumeId.String() + "," + hex.EncodeToString(bytes[nonzero_index:])
}
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