seaweedfs/weed/pb/filer_pb/filer_pb_helper.go
2019-09-02 11:28:40 +01:00

70 lines
1.3 KiB
Go

package filer_pb
import (
"github.com/joeslay/seaweedfs/weed/storage/needle"
)
func toFileIdObject(fileIdStr string) (*FileId, error) {
t, err := needle.ParseFileIdFromString(fileIdStr)
if err != nil {
return nil, err
}
return &FileId{
VolumeId: uint32(t.VolumeId),
Cookie: uint32(t.Cookie),
FileKey: uint64(t.Key),
}, nil
}
func (fid *FileId) toFileIdString() string {
return needle.NewFileId(needle.VolumeId(fid.VolumeId), fid.FileKey, fid.Cookie).String()
}
func (c *FileChunk) GetFileIdString() string {
if c.FileId != "" {
return c.FileId
}
if c.Fid != nil {
c.FileId = c.Fid.toFileIdString()
return c.FileId
}
return ""
}
func BeforeEntrySerialization(chunks []*FileChunk) {
for _, chunk := range chunks {
if chunk.FileId != "" {
if fid, err := toFileIdObject(chunk.FileId); err == nil {
chunk.Fid = fid
chunk.FileId = ""
}
}
if chunk.SourceFileId != "" {
if fid, err := toFileIdObject(chunk.SourceFileId); err == nil {
chunk.SourceFid = fid
chunk.SourceFileId = ""
}
}
}
}
func AfterEntryDeserialization(chunks []*FileChunk) {
for _, chunk := range chunks {
if chunk.Fid != nil && chunk.FileId == "" {
chunk.FileId = chunk.Fid.toFileIdString()
}
if chunk.SourceFid != nil && chunk.SourceFileId == "" {
chunk.SourceFileId = chunk.SourceFid.toFileIdString()
}
}
}