for (unsigned int current_piece = 0; current_piece < piece_count; current_piece++) {
XBT_DEBUG("Sending (send) piece %u from %s into mailbox %s", current_piece, sg4::Host::current()->get_cname(),
first->get_cname());
sg4::CommPtr comm = first->put_async(new FilePiece(), MESSAGE_SEND_DATA_HEADER_SIZE + PIECE_SIZE);
for (unsigned int current_piece = 0; current_piece < piece_count; current_piece++) {
XBT_DEBUG("Sending (send) piece %u from %s into mailbox %s", current_piece, sg4::Host::current()->get_cname(),
first->get_cname());
sg4::CommPtr comm = first->put_async(new FilePiece(), MESSAGE_SEND_DATA_HEADER_SIZE + PIECE_SIZE);