diff options
Diffstat (limited to 'host/lib/transport/vrt_packet_handler.hpp')
| -rw-r--r-- | host/lib/transport/vrt_packet_handler.hpp | 26 |
1 files changed, 14 insertions, 12 deletions
diff --git a/host/lib/transport/vrt_packet_handler.hpp b/host/lib/transport/vrt_packet_handler.hpp index 5b73c82bf..2a7f995a1 100644 --- a/host/lib/transport/vrt_packet_handler.hpp +++ b/host/lib/transport/vrt_packet_handler.hpp @@ -193,22 +193,24 @@ namespace vrt_packet_handler{ //////////////////////////////////////////////////////////////// case uhd::device::RECV_MODE_FULL_BUFF:{ //////////////////////////////////////////////////////////////// - size_t num_samps = 0; + size_t accum_num_samps = 0; uhd::rx_metadata_t tmp_md; - while(num_samps < total_num_samps){ - num_samps += _recv1( + while(accum_num_samps < total_num_samps){ + size_t num_samps = _recv1( state, - boost::asio::buffer_cast<boost::uint8_t *>(buff) + (num_samps*io_type.size), - total_num_samps - num_samps, - (num_samps == 0)? metadata : tmp_md, //only the first metadata gets kept + boost::asio::buffer_cast<boost::uint8_t *>(buff) + (accum_num_samps*io_type.size), + total_num_samps - accum_num_samps, + (accum_num_samps == 0)? metadata : tmp_md, //only the first metadata gets kept io_type, otw_type, tick_rate, zc_iface, vrt_header_offset_words32, recv_cb ); + if (num_samps == 0) break; //had a recv timeout or error, break loop + accum_num_samps += num_samps; } - return total_num_samps; + return accum_num_samps; } default: throw std::runtime_error("unknown recv mode"); @@ -298,6 +300,7 @@ namespace vrt_packet_handler{ const send_cb_t& send_cb = &send_cb_nop ){ const size_t total_num_samps = boost::asio::buffer_size(buff)/io_type.size; + if (total_num_samps <= max_samples_per_packet) send_mode = uhd::device::SEND_MODE_ONE_PACKET; switch(send_mode){ //////////////////////////////////////////////////////////////// @@ -322,7 +325,6 @@ namespace vrt_packet_handler{ case uhd::device::SEND_MODE_FULL_BUFF:{ //////////////////////////////////////////////////////////////// //calculate constants for fragmentation - const size_t final_packet_samps = total_num_samps%max_samples_per_packet; const size_t num_fragments = (total_num_samps+max_samples_per_packet-1)/max_samples_per_packet; static const size_t first_fragment_index = 0; const size_t final_fragment_index = num_fragments-1; @@ -334,15 +336,15 @@ namespace vrt_packet_handler{ for (size_t n = first_fragment_index; n <= final_fragment_index; n++){ //calculate new flags for the fragments - md.has_time_spec = md.has_time_spec and (n == first_fragment_index); - md.start_of_burst = md.start_of_burst and (n == first_fragment_index); - md.end_of_burst = md.end_of_burst and (n == final_fragment_index); + md.has_time_spec = metadata.has_time_spec and (n == first_fragment_index); + md.start_of_burst = metadata.start_of_burst and (n == first_fragment_index); + md.end_of_burst = metadata.end_of_burst and (n == final_fragment_index); //send the fragment with the helper function _send1( state, boost::asio::buffer_cast<const boost::uint8_t *>(buff) + (n*max_samples_per_packet*io_type.size), - (n == final_fragment_index)?final_packet_samps:max_samples_per_packet, + (n == final_fragment_index)?(total_num_samps%max_samples_per_packet):max_samples_per_packet, md, io_type, otw_type, tick_rate, |