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package weed_server
import (
"bytes"
"fmt"
"io"
)
func (vs *VolumeServer) UdpReadHandler(filename string, rf io.ReaderFrom) error {
volumeId, n, err := vs.parseFileId(filename)
if err != nil {
return err
}
hasVolume := vs.store.HasVolume(volumeId)
_, hasEcVolume := vs.store.FindEcVolume(volumeId)
if hasVolume {
if _, err = vs.store.ReadVolumeNeedle(volumeId, n, nil); err != nil {
return err
}
}
if hasEcVolume {
if _, err = vs.store.ReadEcShardNeedle(volumeId, n); err != nil {
return err
}
}
if _, err = rf.ReadFrom(bytes.NewBuffer(n.Data)); err != nil {
return err
}
return nil
}
func (vs *VolumeServer) UdpWriteHandler(filename string, wt io.WriterTo) error {
if filename[0] == '-' {
return vs.handleTcpDelete(filename[1:])
}
volumeId, n, err := vs.parseFileId(filename)
if err != nil {
return err
}
volume := vs.store.GetVolume(volumeId)
if volume == nil {
return fmt.Errorf("volume %d not found", volumeId)
}
var buf bytes.Buffer
written, err := wt.WriteTo(&buf)
if err != nil {
return err
}
err = volume.StreamWrite(n, &buf, uint32(written))
if err != nil {
return err
}
return nil
}
|
