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package weed_server
import (
"fmt"
"github.com/seaweedfs/seaweedfs/weed/pb/volume_server_pb"
"github.com/seaweedfs/seaweedfs/weed/storage"
"github.com/seaweedfs/seaweedfs/weed/storage/needle"
)
func (vs *VolumeServer) ReadAllNeedles(req *volume_server_pb.ReadAllNeedlesRequest, stream volume_server_pb.VolumeServer_ReadAllNeedlesServer) (err error) {
for _, vid := range req.VolumeIds {
if err := vs.streamReadOneVolume(needle.VolumeId(vid), stream); err != nil {
return err
}
}
return nil
}
func (vs *VolumeServer) streamReadOneVolume(vid needle.VolumeId, stream volume_server_pb.VolumeServer_ReadAllNeedlesServer) error {
v := vs.store.GetVolume(vid)
if v == nil {
return fmt.Errorf("not found volume id %d", vid)
}
scanner := &storage.VolumeFileScanner4ReadAll{
Stream: stream,
V: v,
}
offset := int64(v.SuperBlock.BlockSize())
return storage.ScanVolumeFileFrom(v.Version(), v.DataBackend, offset, scanner)
}
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