src/marnav/nmea/ais_helper.cpp

   1 #include "ais_helper.hpp"
   2 #include <marnav/utils/unique.hpp>
   3
   4 namespace marnav
   5 {
   6 namespace nmea
   7 {
   8 /// Creates and returns a container of VDM sentences, created from the specified
   9 /// payload.
  10 ///
  11 /// @param[in] payload The payload to create VDM sentences from.
  12 /// @param[in] seq_msg_id The optional sequence message ID to be configured for
  13 ///   the resulting sentences.
  14 /// @param[in] radio_channel Specifies which AIS radio channel to configure for
  15 ///   the resulting sentences.
  16 /// @return Container of NMEA sentences containing VDM sentences.
  17 std::vector<std::unique_ptr<nmea::sentence>> make_vdms(
  18         const std::vector<std::pair<std::string, uint32_t>> & payload,
  19         utils::optional<uint32_t> seq_msg_id, ais_channel radio_channel)
  20 {
  21         std::vector<std::unique_ptr<nmea::sentence>> sentences;
  22
  23         for (uint32_t fragment = 0; fragment < payload.size(); ++fragment) {
  24                 auto sentence = utils::make_unique<vdm>();
  25
  26                 sentence->set_n_fragments(payload.size());
  27                 sentence->set_fragment(fragment + 1);
  28                 sentence->set_radio_channel(radio_channel);
  29                 sentence->set_payload(payload[fragment]);
  30
  31                 if (seq_msg_id)
  32                         sentence->set_seq_msg_id(*seq_msg_id);
  33
  34                 sentences.push_back(std::move(sentence));
  35         }
  36
  37         return sentences;
  38 }
  39 }
  40 }