func sendMessage(ctx context.Context, host host.Host, p peer.ID, pmes *pb.Message) error {
s, err := host.NewStream(ctx, routing.ProtocolDHT, p)
if err != nil {
return err
}
defer s.Close()
cw := ctxio.NewWriter(ctx, s)
w := ggio.NewDelimitedWriter(cw)
if err := w.WriteMsg(pmes); err != nil {
return err
}
return nil
}
