seaweedfs/weed/filer/read_remote.go

30 lines
840 B
Go
Raw Normal View History

package filer
import (
"fmt"
"github.com/chrislusf/seaweedfs/weed/pb/filer_pb"
)
2021-08-01 06:52:09 +00:00
func (entry *Entry) IsInRemoteOnly() bool {
return len(entry.Chunks) == 0 && entry.Remote != nil && entry.Remote.Size > 0
}
2021-08-09 05:30:36 +00:00
func (f *Filer) ReadRemote(entry *Entry, offset int64, size int64) (data []byte, err error) {
client, _, found := f.RemoteStorage.GetRemoteStorageClient(entry.Remote.StorageName)
if !found {
2021-08-01 05:39:38 +00:00
return nil, fmt.Errorf("remote storage %v not found", entry.Remote.StorageName)
}
mountDir, remoteLoation := f.RemoteStorage.FindMountDirectory(entry.FullPath)
remoteFullPath := remoteLoation.Path + string(entry.FullPath[len(mountDir):])
sourceLoc := &filer_pb.RemoteStorageLocation{
Name: remoteLoation.Name,
Bucket: remoteLoation.Bucket,
Path: remoteFullPath,
}
2021-08-01 05:39:38 +00:00
return client.ReadFile(sourceLoc, offset, size)
}