1 files changed, 38 insertions, 0 deletions
diff --git a/weed/server/volume_grpc_read_write.go b/weed/server/volume_grpc_read_write.go
new file mode 100644
index 000000000..988e9e145
--- /dev/null
+++ b/weed/server/volume_grpc_read_write.go
@@ -0,0 +1,38 @@
+package weed_server
+
+import (
+	"context"
+	"fmt"
+	"github.com/chrislusf/seaweedfs/weed/pb/volume_server_pb"
+	"github.com/chrislusf/seaweedfs/weed/storage/needle"
+	"github.com/chrislusf/seaweedfs/weed/storage/types"
+)
+
+func (vs *VolumeServer) ReadNeedleBlob(ctx context.Context, req *volume_server_pb.ReadNeedleBlobRequest) (resp *volume_server_pb.ReadNeedleBlobResponse, err error) {
+	resp = &volume_server_pb.ReadNeedleBlobResponse{}
+	v := vs.store.GetVolume(needle.VolumeId(req.VolumeId))
+	if v == nil {
+		return nil, fmt.Errorf("not found volume id %d", req.VolumeId)
+	}
+
+	resp.NeedleBlob, err = v.ReadNeedleBlob(req.Offset, types.Size(req.Size))
+	if err != nil {
+		return nil, fmt.Errorf("read needle blob offset %d size %d: %v", req.Offset, req.Size, err)
+	}
+
+	return resp, nil
+}
+
+func (vs *VolumeServer) WriteNeedleBlob(ctx context.Context, req *volume_server_pb.WriteNeedleBlobRequest) (resp *volume_server_pb.WriteNeedleBlobResponse, err error) {
+	resp = &volume_server_pb.WriteNeedleBlobResponse{}
+	v := vs.store.GetVolume(needle.VolumeId(req.VolumeId))
+	if v == nil {
+		return nil, fmt.Errorf("not found volume id %d", req.VolumeId)
+	}
+
+	if err = v.WriteNeedleBlob(types.NeedleId(req.NeedleId), req.NeedleBlob, types.Size(req.Size)); err != nil {
+		return nil, fmt.Errorf("write blob needle %d size %d: %v", req.NeedleId, req.Size, err)
+	}
+
+	return resp, nil
+}