mirror of
https://github.com/seaweedfs/seaweedfs.git
synced 2024-01-19 02:48:24 +00:00
34 lines
881 B
Go
34 lines
881 B
Go
package filer
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import (
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"fmt"
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"github.com/chrislusf/seaweedfs/weed/pb/filer_pb"
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"io"
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)
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func (entry *Entry) IsRemoteOnly() bool {
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return len(entry.Chunks) == 0 && entry.Remote != nil && entry.Remote.Size > 0
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}
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func (f *Filer) ReadRemote(w io.Writer, entry *Entry, offset int64, size int64) error {
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client, _, found := f.RemoteStorage.GetRemoteStorageClient(entry.Remote.StorageName)
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if !found {
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return fmt.Errorf("remote storage %v not found", entry.Remote.StorageName)
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}
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mountDir, remoteLoation := f.RemoteStorage.FindMountDirectory(entry.FullPath)
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remoteFullPath := remoteLoation.Path + string(entry.FullPath[len(mountDir):])
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sourceLoc := &filer_pb.RemoteStorageLocation{
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Name: remoteLoation.Name,
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Bucket: remoteLoation.Bucket,
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Path: remoteFullPath,
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}
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client.ReadFile(sourceLoc, offset, size, func(w io.Writer) error {
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return nil
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})
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return nil
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}
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