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Merge branch 'ttff' into next

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Improve Time-To-First-Fix report and add hot start test
This commit is contained in:
Carles Fernandez 2016-10-02 23:09:45 +02:00
commit 1ef64a6bb7
2 changed files with 112 additions and 7 deletions
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8
src/tests/CMakeLists.txt
View File

@ -376,6 +376,14 @@ add_dependencies(check control_thread_test flowgraph_test gnss_block_test
# Addition of System Tests
if(ENABLE_SYSTEM_TESTING)
set(HOST_SYSTEM "Unknown")
if(${CMAKE_SYSTEM_NAME} MATCHES "Linux")
set(HOST_SYSTEM "GNU/LINUX ${LINUX_DISTRIBUTION} ${LINUX_VER} ${ARCH_}")
endif(${CMAKE_SYSTEM_NAME} MATCHES "Linux")
if(${CMAKE_SYSTEM_NAME} MATCHES "Darwin")
set(HOST_SYSTEM "MacOS")
endif(${CMAKE_SYSTEM_NAME} MATCHES "Darwin")
add_definitions(-DHOST_SYSTEM="${HOST_SYSTEM}")
add_executable(ttff
${CMAKE_CURRENT_SOURCE_DIR}/system-tests/ttff_gps_l1.cc )
if(NOT ${GTEST_DIR_LOCAL})

111
src/tests/system-tests/ttff_gps_l1.cc
View File

@ -63,20 +63,20 @@ concurrent_queue<Gps_Acq_Assist> global_gps_acq_assist_queue;
concurrent_map<Gps_Acq_Assist> global_gps_acq_assist_map;
std::vector<double> TTFF_v;
const int decimation_factor = 1;
typedef struct {
long mtype; // required by SysV message
double ttff;
} ttff_msgbuf;
const int decimation_factor = 1;
class TTFF_GPS_L1_CA_Test: public ::testing::Test
{
public:
void config_1();
void config_2();
void print_TTFF_report(const std::vector<double> & ttff_v);
void print_TTFF_report(const std::vector<double> & ttff_v, std::shared_ptr<ConfigurationInterface> config_);
std::shared_ptr<InMemoryConfiguration> config;
std::shared_ptr<FileConfiguration> config2;
@ -123,8 +123,20 @@ public:
void TTFF_GPS_L1_CA_Test::config_1()
{
config = std::make_shared<InMemoryConfiguration>();
// Set the Signal Source
config->set_property("GNSS-SDR.internal_fs_hz", std::to_string(FLAGS_fs_in));
// Set the assistance system parameters
config->set_property("GNSS-SDR.SUPL_gps_ephemeris_server", "supl.google.com");
config->set_property("GNSS-SDR.SUPL_gps_ephemeris_port", std::to_string(7275));
config->set_property("GNSS-SDR.SUPL_gps_acquisition_server", "supl.google.com");
config->set_property("GNSS-SDR.SUPL_gps_acquisition_port", std::to_string(7275));
config->set_property("GNSS-SDR.SUPL_MCC", std::to_string(244));
config->set_property("GNSS-SDR.SUPL_MNS", std::to_string(5));
config->set_property("GNSS-SDR.SUPL_LAC", "0x59e2");
config->set_property("GNSS-SDR.SUPL_CI", "0x31b0");
// Set the Signal Source
config->set_property("SignalSource.item_type", "cshort");
config->set_property("SignalSource.implementation", "UHD_Signal_Source");
config->set_property("SignalSource.freq", std::to_string(central_freq));
@ -267,9 +279,13 @@ void receive_msg()
}
void TTFF_GPS_L1_CA_Test::print_TTFF_report(const std::vector<double> & ttff_v)
void TTFF_GPS_L1_CA_Test::print_TTFF_report(const std::vector<double> & ttff_v, std::shared_ptr<ConfigurationInterface> config_)
{
std::vector<double> ttff = ttff_v;
bool read_ephemeris;
read_ephemeris = config_->property("GNSS-SDR.SUPL_read_gps_assistance_xml", "false");
bool agnss;
agnss = config_->property("GNSS-SDR.SUPL_gps_enabled", "false");
double sum = std::accumulate(ttff.begin(), ttff.end(), 0.0);
double mean = sum / ttff.size();
double sq_sum = std::inner_product(ttff.begin(), ttff.end(), ttff.begin(), 0.0);
@ -279,6 +295,24 @@ void TTFF_GPS_L1_CA_Test::print_TTFF_report(const std::vector<double> & ttff_v)
std::cout << "---------------------------" << std::endl;
std::cout << " Time-To-First-Fix Report" << std::endl;
std::cout << "---------------------------" << std::endl;
std::cout << "Initial receiver status: ";
if (read_ephemeris)
{
std::cout << "Hot start." << std::endl;
}
else
{
std::cout << "Cold start." << std::endl;
}
std::cout << "A-GNSS: ";
if (agnss && read_ephemeris)
{
std::cout << "Enabled." << std::endl;
}
else
{
std::cout << "Disabled." << std::endl;
}
std::cout << "Valid measurements (" << ttff.size() << "/" << FLAGS_num_measurements << "): ";
for(double ttff_ : ttff) std::cout << ttff_ << " ";
std::cout << std::endl;
@ -289,6 +323,8 @@ void TTFF_GPS_L1_CA_Test::print_TTFF_report(const std::vector<double> & ttff_v)
std::cout << "TTFF min: " << *min_ttff << " [s]" << std::endl;
}
std::cout << "TTFF stdev: " << stdev << " [s]" << std::endl;
std::cout << "Operating System: " << std::string(HOST_SYSTEM) << std::endl;
std::cout << "Navigation mode: " << "3D" << std::endl;
std::cout << "---------------------------" << std::endl;
}
@ -304,7 +340,7 @@ TEST_F(TTFF_GPS_L1_CA_Test, ColdStart)
config_2();
// Ensure Cold Start
config2->set_property("GNSS-SDR.SUPL_read_gps_assistance_xml", "false");
config2->set_property("GNSS-SDR.SUPL_gps_enabled", "false");
config2->set_property("GNSS-SDR.SUPL_read_gps_assistance_xml", "false");
config2->set_property("PVT.flag_rtcm_server", "false");
@ -357,10 +393,72 @@ TEST_F(TTFF_GPS_L1_CA_Test, ColdStart)
}
// Print TTFF report
print_TTFF_report(TTFF_v);
print_TTFF_report(TTFF_v, config);
}
TEST_F(TTFF_GPS_L1_CA_Test, HotStart)
{
unsigned int num_measurements = 0;
TTFF_v.clear();
config_1();
// Ensure Hot Start
config->set_property("GNSS-SDR.SUPL_gps_enabled", "true");
config->set_property("GNSS-SDR.SUPL_read_gps_assistance_xml", "true");
for(int n = 0; n < FLAGS_num_measurements; n++)
{
// Create a new ControlThread object with a smart pointer
std::unique_ptr<ControlThread> control_thread(new ControlThread(config));
// record startup time
struct timeval tv;
gettimeofday(&tv, NULL);
long long int begin = tv.tv_sec * 1000000 + tv.tv_usec;
std::cout << "Starting measurement " << num_measurements + 1 << " / " << FLAGS_num_measurements << std::endl;
// start receiver
try
{
control_thread->run();
}
catch( boost::exception & e )
{
std::cout << "Boost exception: " << boost::diagnostic_information(e);
}
catch(std::exception const& ex)
{
std::cout << "STD exception: " << ex.what();
}
// stop clock
gettimeofday(&tv, NULL);
long long int end = tv.tv_sec * 1000000 + tv.tv_usec;
double ttff = static_cast<double>(end - begin) / 1000000.0;
std::shared_ptr<GNSSFlowgraph> flowgraph = control_thread->flowgraph();
EXPECT_FALSE(flowgraph->running());
num_measurements = num_measurements + 1;
std::cout << "Just finished measurement " << num_measurements << ", which took " << ttff << " seconds." << std::endl;
if(n < FLAGS_num_measurements - 1)
{
std::srand(std::time(0)); // use current time as seed for random generator
int random_variable = std::rand();
float random_variable_0_1 = static_cast<float>(random_variable) / static_cast<float>( RAND_MAX );
int random_delay_s = static_cast<int>(random_variable_0_1 * 25.0);
std::cout << "Waiting a random amount of time (from 5 to 30 s) to start new measurement... " << std::endl;
std::cout << "This time will wait " << random_delay_s + 5 << " s." << std::endl << std::endl;
std::this_thread::sleep_until(std::chrono::system_clock::now() + std::chrono::seconds(5) + std::chrono::seconds(random_delay_s));
}
}
// Print TTFF report
print_TTFF_report(TTFF_v, config);
}
int main(int argc, char **argv)
{
@ -382,7 +480,6 @@ int main(int argc, char **argv)
throw new std::exception();
}
// Start queue thread
std::thread receive_msg_thread(receive_msg);