mirror of
https://github.com/seaweedfs/seaweedfs.git
synced 2024-12-18 12:47:50 +08:00
106 lines
2.5 KiB
Go
106 lines
2.5 KiB
Go
package filer_pb
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import (
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"context"
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"errors"
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"fmt"
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"strings"
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"github.com/chrislusf/seaweedfs/weed/glog"
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"github.com/chrislusf/seaweedfs/weed/storage/needle"
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)
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func toFileIdObject(fileIdStr string) (*FileId, error) {
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t, err := needle.ParseFileIdFromString(fileIdStr)
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if err != nil {
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return nil, err
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}
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return &FileId{
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VolumeId: uint32(t.VolumeId),
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Cookie: uint32(t.Cookie),
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FileKey: uint64(t.Key),
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}, nil
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}
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func (fid *FileId) toFileIdString() string {
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return needle.NewFileId(needle.VolumeId(fid.VolumeId), fid.FileKey, fid.Cookie).String()
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}
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func (c *FileChunk) GetFileIdString() string {
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if c.FileId != "" {
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return c.FileId
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}
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if c.Fid != nil {
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c.FileId = c.Fid.toFileIdString()
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return c.FileId
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}
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return ""
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}
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func BeforeEntrySerialization(chunks []*FileChunk) {
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for _, chunk := range chunks {
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if chunk.FileId != "" {
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if fid, err := toFileIdObject(chunk.FileId); err == nil {
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chunk.Fid = fid
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chunk.FileId = ""
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}
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}
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if chunk.SourceFileId != "" {
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if fid, err := toFileIdObject(chunk.SourceFileId); err == nil {
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chunk.SourceFid = fid
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chunk.SourceFileId = ""
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}
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}
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}
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}
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func AfterEntryDeserialization(chunks []*FileChunk) {
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for _, chunk := range chunks {
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if chunk.Fid != nil && chunk.FileId == "" {
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chunk.FileId = chunk.Fid.toFileIdString()
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}
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if chunk.SourceFid != nil && chunk.SourceFileId == "" {
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chunk.SourceFileId = chunk.SourceFid.toFileIdString()
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}
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}
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}
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func CreateEntry(client SeaweedFilerClient, request *CreateEntryRequest) error {
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resp, err := client.CreateEntry(context.Background(), request)
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if err != nil {
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glog.V(1).Infof("create entry %s/%s %v: %v", request.Directory, request.Entry.Name, request.OExcl, err)
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return fmt.Errorf("CreateEntry: %v", err)
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}
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if resp.Error != "" {
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glog.V(1).Infof("create entry %s/%s %v: %v", request.Directory, request.Entry.Name, request.OExcl, err)
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return fmt.Errorf("CreateEntry : %v", resp.Error)
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}
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return nil
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}
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func LookupEntry(client SeaweedFilerClient, request *LookupDirectoryEntryRequest) (*LookupDirectoryEntryResponse, error) {
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resp, err := client.LookupDirectoryEntry(context.Background(), request)
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if err != nil {
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if err == ErrNotFound || strings.Contains(err.Error(), ErrNotFound.Error()) {
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return nil, ErrNotFound
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}
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glog.V(3).Infof("read %s/%v: %v", request.Directory, request.Name, err)
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return nil, fmt.Errorf("LookupEntry1: %v", err)
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}
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if resp.Entry == nil {
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return nil, ErrNotFound
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}
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return resp, nil
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}
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var ErrNotFound = errors.New("filer: no entry is found in filer store")
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