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read <- remote_storage

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This commit is contained in:
Chris Lu
2021-07-31 22:39:38 -07:00
parent f5a69a0e44
commit 9df7d16791
10 changed files with 851 additions and 463 deletions
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10
weed/filer/read_remote.go
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@@ -3,17 +3,16 @@ package filer
import (
"fmt"
"github.com/chrislusf/seaweedfs/weed/pb/filer_pb"
"io"
)
func (entry *Entry) IsRemoteOnly() bool {
return len(entry.Chunks) == 0 && entry.Remote != nil && entry.Remote.Size > 0
}
func (f *Filer) ReadRemote(w io.Writer, entry *Entry, offset int64, size int64) error {
func (f *Filer) ReadRemote(entry *Entry, offset int64, size int64) (data[]byte, err error) {
client, _, found := f.RemoteStorage.GetRemoteStorageClient(entry.Remote.StorageName)
if !found {
return fmt.Errorf("remote storage %v not found", entry.Remote.StorageName)
return nil, fmt.Errorf("remote storage %v not found", entry.Remote.StorageName)
}
mountDir, remoteLoation := f.RemoteStorage.FindMountDirectory(entry.FullPath)
@@ -26,8 +25,5 @@ func (f *Filer) ReadRemote(w io.Writer, entry *Entry, offset int64, size int64)
Path: remoteFullPath,
}
client.ReadFile(sourceLoc, offset, size, func(w io.Writer) error {
return nil
})
return nil
return client.ReadFile(sourceLoc, offset, size)
}