seaweedfs/weed/pb/filer_pb/filer_pb_helper.go
2020-02-25 17:24:08 -08:00

84 lines
1.7 KiB
Go

package filer_pb
import (
"context"
"fmt"
"github.com/chrislusf/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()
}
}
}
func CreateEntry(ctx context.Context, client SeaweedFilerClient, request *CreateEntryRequest) error {
resp, err := client.CreateEntry(ctx, request)
if err != nil {
return fmt.Errorf("CreateEntry: %v", err)
}
if resp.Error != "" {
return fmt.Errorf("CreateEntry : %v", resp.Error)
}
return err
}