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78 lines
2.0 KiB
78 lines
2.0 KiB
package filer
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import (
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"bytes"
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"github.com/chrislusf/seaweedfs/weed/pb/filer_pb"
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"github.com/chrislusf/seaweedfs/weed/wdclient"
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"time"
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)
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func ReadEntry(masterClient *wdclient.MasterClient, filerClient filer_pb.SeaweedFilerClient, dir, name string, byteBuffer *bytes.Buffer) error {
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request := &filer_pb.LookupDirectoryEntryRequest{
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Directory: dir,
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Name: name,
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}
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respLookupEntry, err := filer_pb.LookupEntry(filerClient, request)
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if err != nil {
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return err
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}
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if len(respLookupEntry.Entry.Content) > 0 {
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_, err = byteBuffer.Write(respLookupEntry.Entry.Content)
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return err
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}
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return StreamContent(masterClient, byteBuffer, respLookupEntry.Entry.Chunks, 0, int64(FileSize(respLookupEntry.Entry)))
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}
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func ReadInsideFiler(filerClient filer_pb.SeaweedFilerClient, dir, name string) (content []byte, err error) {
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request := &filer_pb.LookupDirectoryEntryRequest{
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Directory: dir,
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Name: name,
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}
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respLookupEntry, err := filer_pb.LookupEntry(filerClient, request)
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if err != nil {
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return
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}
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content = respLookupEntry.Entry.Content
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return
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}
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func SaveInsideFiler(client filer_pb.SeaweedFilerClient, dir, name string, content []byte) error {
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resp, err := filer_pb.LookupEntry(client, &filer_pb.LookupDirectoryEntryRequest{
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Directory: dir,
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Name: name,
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})
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if err == filer_pb.ErrNotFound {
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err = filer_pb.CreateEntry(client, &filer_pb.CreateEntryRequest{
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Directory: dir,
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Entry: &filer_pb.Entry{
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Name: name,
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IsDirectory: false,
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Attributes: &filer_pb.FuseAttributes{
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Mtime: time.Now().Unix(),
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Crtime: time.Now().Unix(),
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FileMode: uint32(0644),
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Collection: "",
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Replication: "",
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FileSize: uint64(len(content)),
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},
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Content: content,
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},
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})
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} else if err == nil {
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entry := resp.Entry
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entry.Content = content
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entry.Attributes.Mtime = time.Now().Unix()
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entry.Attributes.FileSize = uint64(len(content))
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err = filer_pb.UpdateEntry(client, &filer_pb.UpdateEntryRequest{
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Directory: dir,
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Entry: entry,
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})
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}
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return err
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}
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