diff options
-rw-r--r-- | host/lib/transport/nirio/rpc/rpc_client.cpp | 32 |
1 files changed, 20 insertions, 12 deletions
diff --git a/host/lib/transport/nirio/rpc/rpc_client.cpp b/host/lib/transport/nirio/rpc/rpc_client.cpp index c16a844c1..f8dc26b50 100644 --- a/host/lib/transport/nirio/rpc/rpc_client.cpp +++ b/host/lib/transport/nirio/rpc/rpc_client.cpp @@ -133,9 +133,12 @@ const boost::system::error_code& rpc_client::call( CHAIN_BLOCKING_XFER( boost::asio::write(_socket, boost::asio::buffer(&_request.header, sizeof(_request.header))), sizeof(_request.header), status); - CHAIN_BLOCKING_XFER( - boost::asio::write(_socket, boost::asio::buffer(&(*_request.data.begin()), _request.data.size())), - _request.data.size(), status); + if (not _request.data.empty()) + { + CHAIN_BLOCKING_XFER( + boost::asio::write(_socket, boost::asio::buffer(&(*_request.data.begin()), _request.data.size())), + _request.data.size(), status); + } } catch (boost::exception&) { status = false; } @@ -171,15 +174,20 @@ void rpc_client::_handle_response_hdr(const boost::system::error_code& err, size if (!_exec_err && (transferred == expected)) { //Response header received. Verify that it is expected if (func_args_header_t::match_function(_request.header, _response.header)) { - _response.data.resize(_response.header.func_args_size); - - //Wait for response data - boost::asio::async_read(_socket, - boost::asio::buffer(&(*_response.data.begin()), _response.data.size()), - boost::bind(&rpc_client::_handle_response_data, this, - boost::asio::placeholders::error, - boost::asio::placeholders::bytes_transferred, - _response.data.size())); + if (_response.header.func_args_size) + { + _response.data.resize(_response.header.func_args_size); + + //Wait for response data + boost::asio::async_read(_socket, + boost::asio::buffer(&(*_response.data.begin()), _response.data.size()), + boost::bind(&rpc_client::_handle_response_data, this, + boost::asio::placeholders::error, + boost::asio::placeholders::bytes_transferred, + _response.data.size())); + } else { + _handle_response_data(err, 0, 0); + } } else { //Unexpected response. Ignore it. UHD_LOG << "rpc_client received garbage responses." << std::endl; |