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https://github.com/gnss-sdr/gnss-sdr
synced 2025-04-26 12:43:19 +00:00
Refactored and improved OsnmaMsgReceiverTest
Changes in the osnma receiver initialisation for time synchronisation with the configuration 1. OsnmaMsgReceiverTest::initializeGoogleLog() implemented recycling code, in the same way as the gnss-sdr receiver upon start.
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cesaaargm
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38829adaaf
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@ -1,8 +1,10 @@
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#include <gtest/gtest.h>
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#include <bitset>
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#include <filesystem>
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#include <fstream>
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#include <logging.h>
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#include <osnma_msg_receiver.h>
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#include <vector>
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#include <bitset>
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struct TestVector
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@ -23,10 +25,13 @@ protected:
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OSNMA_msg osnma_msg{};
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std::array<int8_t, 15> nma_position_filled;
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uint32_t d_GST_SIS{}; // 16 AUG 2023 05 00 01
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int T {};
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uint32_t TOW{};
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uint32_t WN{};
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std::tm GST_START_EPOCH = {0, 0, 0, 22, 8 - 1, 1999 - 1900, 0}; // months start with 0 and years since 1900 in std::tm
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const uint32_t LEAP_SECONDS = 0;//13 + 5;
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void set_time(std::tm& input);
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std::string log_name {"CONFIG1-2023-08-23-PKID1-OSNMA"};
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void initializeGoogleLog();
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void SetUp() override
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{
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@ -39,6 +44,9 @@ protected:
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std::string merkleFilePath = "OSNMA_MerkleTree_20230803105953_newPKID_1.xml";
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osnma = osnma_msg_receiver_make(pemFilePath, merkleFilePath);
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}
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void TearDown() override{
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google::ShutdownGoogleLogging();
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}
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public:
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static std::vector<uint8_t> parseNavBits(const std::string& hex);
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@ -51,19 +59,28 @@ public:
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TEST_F(OsnmaMsgReceiverTest, TeslaKeyVerification) {
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// Arrange
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osnma->d_tesla_key_verified = false;
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osnma->d_osnma_data.d_dsm_kroot_message.kroot = {0x5B, 0xF8, 0xC9, 0xCB, 0xFC, 0xF7, 0x04, 0x22, 0x08, 0x14, 0x75, 0xFD, 0x44, 0x5D, 0xF0, 0xFF};
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osnma->d_osnma_data.d_dsm_kroot_message.kroot = {0x5B, 0xF8, 0xC9, 0xCB, 0xFC, 0xF7, 0x04, 0x22, 0x08, 0x14, 0x75, 0xFD, 0x44, 0x5D, 0xF0, 0xFF}; // Kroot, TOW 345570 GST_0 - 30
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osnma->d_osnma_data.d_dsm_kroot_message.ks = 4; // TABLE 10 --> 128 bits
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osnma->d_receiver_time = 345630;
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osnma->d_GST_0 = 345600;
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osnma->d_tesla_keys.insert((std::pair<uint32_t, std::vector<uint8_t>>(345600,{0xEF, 0xF9, 0x99, 0x04, 0x0E, 0x19, 0xB5, 0x70, 0x83, 0x50, 0x60, 0xBE, 0xBD, 0x23, 0xED, 0x92})));
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std::vector<uint8_t> key = {0x2D, 0xC3, 0xA3, 0xCD, 0xB1, 0x17, 0xFA, 0xAD, 0xB8, 0x3B, 0x5F, 0x0B, 0x6F, 0xEA, 0x88, 0xEB};
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osnma->d_osnma_data.d_dsm_kroot_message.alpha = 0x610BDF26D77B;
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// local_time_verification would do this operation. TODO - eliminate duplication.
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osnma->d_GST_SIS = (1248 & 0x00000FFF) << 20 | (345630 & 0x000FFFFF);
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osnma->d_GST_0 = ((1248 & 0x00000FFF) << 20 | (345600 & 0x000FFFFF)); // applicable time (GST_Kroot + 30)
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osnma->d_receiver_time = osnma->d_GST_0 + 30 * std::floor((osnma->d_GST_SIS - osnma->d_GST_0) / 30); // Eq. 3 R.G.//345630;
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osnma->d_tesla_keys.insert((std::pair<uint32_t, std::vector<uint8_t>>(345600,{0xEF, 0xF9, 0x99, 0x04, 0x0E, 0x19, 0xB5, 0x70, 0x83, 0x50, 0x60, 0xBE, 0xBD, 0x23, 0xED, 0x92}))); // K1, not needed, just for reference.
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std::vector<uint8_t> key = {0x2D, 0xC3, 0xA3, 0xCD, 0xB1, 0x17, 0xFA, 0xAD, 0xB8, 0x3B, 0x5F, 0x0B, 0x6F, 0xEA, 0x88, 0xEB}; // K2
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uint32_t TOW = 345630;
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// Act
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bool result = osnma->verify_tesla_key(key, TOW);
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// Assert
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ASSERT_TRUE(result); // Adjust this according to what you expect
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@ -71,6 +88,7 @@ TEST_F(OsnmaMsgReceiverTest, TeslaKeyVerification) {
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TEST_F(OsnmaMsgReceiverTest, OsnmaTestVectorsSimulation)
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{
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initializeGoogleLog();
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// Arrange
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std::vector<TestVector> testVectors = readTestVectorsFromFile(/*"/home/cgm/CLionProjects/osnma/src/tests/data/*/"16_AUG_2023_GST_05_00_01.csv");
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bool end_of_hex_stream{false};
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@ -81,11 +99,9 @@ TEST_F(OsnmaMsgReceiverTest, OsnmaTestVectorsSimulation)
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const int SIZE_SUBFRAME_BYTES{SIZE_PAGE_BYTES*SIZE_SUBFRAME_PAGES};
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const int DURATION_SUBFRAME{30};
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std::cout << "OsnmaTestVectorsSimulation:" << std::endl;
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std::cout << "d_GST_SIS: " << d_GST_SIS << std::endl;
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std::cout << "T: " << T << std::endl;
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std::cout << "TOW: " << TOW << std::endl;
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std::cout << "WN: " << WN << std::endl;
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std::cout << "OsnmaTestVectorsSimulation:" << " d_GST_SIS= " << d_GST_SIS
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<< ", TOW=" << TOW
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<< ", WN=" << WN << std::endl;
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// Act
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@ -144,14 +160,11 @@ TEST_F(OsnmaMsgReceiverTest, OsnmaTestVectorsSimulation)
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if(!end_of_hex_stream){
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offset_byte = byte_index; // update offset for the next subframe
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d_GST_SIS += DURATION_SUBFRAME;
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T = d_GST_SIS % 30;
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TOW = d_GST_SIS & 0x000FFFFF;
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WN = (d_GST_SIS & 0xFFF00000) >> 20 ;
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std::cout << "OsnmaTestVectorsSimulation:" << std::endl;
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std::cout << "d_GST_SIS: " << d_GST_SIS << std::endl;
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std::cout << "T: " << T << std::endl;
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std::cout << "TOW: " << TOW << std::endl;
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std::cout << "WN: " << WN << std::endl;
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std::cout << "OsnmaTestVectorsSimulation:" << " d_GST_SIS= " << d_GST_SIS
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<< ", TOW=" << TOW
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<< ", WN=" << WN << std::endl;
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}
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@ -239,12 +252,20 @@ std::vector<uint8_t> OsnmaMsgReceiverTest::extract_page_bytes(const TestVector&
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return extracted_bytes;
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}
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/**
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* @brief Sets the time based on the given input.
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*
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* This function calculates the week number (WN) and time of week (TOW)
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* based on the input time and the GST_START_EPOCH. It then stores the
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* calculated values in the WN and TOW member variables. Finally, it
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* combines the WN and TOW into a single 32-bit value and stores it in
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* the d_GST_SIS member variable.
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*
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* @param input The input time as a tm struct.
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*/
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void OsnmaMsgReceiverTest::set_time(std::tm& input)
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{
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// GST epoch (start of GST time)
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std::tm tm_epoch = {0, 0, 0, 22, 8 - 1, 1999 - 1900, 0};
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auto epoch_time_point = std::chrono::system_clock::from_time_t(mktime(&tm_epoch));
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auto epoch_time_point = std::chrono::system_clock::from_time_t(mktime(&GST_START_EPOCH));
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auto input_time_point = std::chrono::system_clock::from_time_t(mktime(&input));
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// Get the duration from epoch in seconds
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@ -255,11 +276,53 @@ void OsnmaMsgReceiverTest::set_time(std::tm& input)
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uint32_t week_number = duration_sec.count() / sec_in_week;
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uint32_t time_of_week = duration_sec.count() % sec_in_week;
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this->WN = week_number;
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this->TOW = time_of_week;
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this->TOW = time_of_week + LEAP_SECONDS;
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// Return the week number and time of week as a pair
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this->d_GST_SIS = (this->WN & 0x00000FFF) << 20 | (this->TOW & 0x000FFFFF);
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this->T = d_GST_SIS % 30;
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}
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void OsnmaMsgReceiverTest::initializeGoogleLog()
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{
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google::InitGoogleLogging(log_name.c_str());
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FLAGS_minloglevel = 1;
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FLAGS_logtostderr = 0; // add this line
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FLAGS_log_dir = "/home/cgm/CLionProjects/osnma/build/src/tests/logs";
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if (FLAGS_log_dir.empty())
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{
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std::cout << "Logging will be written at "
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<< std::filesystem::temp_directory_path()
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<< '\n'
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<< "Use gnss-sdr --log_dir=/path/to/log to change that.\n";
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}
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else
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{
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try
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{
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const std::filesystem::path p(FLAGS_log_dir);
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if (!std::filesystem::exists(p))
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{
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std::cout << "The path "
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<< FLAGS_log_dir
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<< " does not exist, attempting to create it.\n";
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std::error_code ec;
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if (!std::filesystem::create_directory(p, ec))
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{
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std::cout << "Could not create the " << FLAGS_log_dir << " folder.\n";
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gflags::ShutDownCommandLineFlags();
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throw std::runtime_error("Could not create folder for logs");
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}
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}
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std::cout << "Logging will be written at " << FLAGS_log_dir << '\n';
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}
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catch (const std::exception& e)
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{
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std::cerr << e.what() << '\n';
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std::cerr << "Could not create the " << FLAGS_log_dir << " folder.\n";
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gflags::ShutDownCommandLineFlags();
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throw;
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}
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}
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}
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