[hamradio-commits] [gnss-sdr] 77/303: Add hot start TTFF
Carles Fernandez
carles_fernandez-guest at moszumanska.debian.org
Mon Feb 13 22:35:49 UTC 2017
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carles_fernandez-guest pushed a commit to branch master
in repository gnss-sdr.
commit b3eab47604e77925e64bb9bbf83023838b1a1e0c
Author: Carles Fernandez <carles.fernandez at gmail.com>
Date: Sun Oct 2 21:24:46 2016 +0200
Add hot start TTFF
---
src/tests/system-tests/ttff_gps_l1.cc | 66 +++++++++++++++++++++++++++++++++--
1 file changed, 64 insertions(+), 2 deletions(-)
diff --git a/src/tests/system-tests/ttff_gps_l1.cc b/src/tests/system-tests/ttff_gps_l1.cc
index 2dd76c7..aa88d63 100644
--- a/src/tests/system-tests/ttff_gps_l1.cc
+++ b/src/tests/system-tests/ttff_gps_l1.cc
@@ -63,13 +63,13 @@ 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
{
@@ -385,6 +385,69 @@ TEST_F(TTFF_GPS_L1_CA_Test, ColdStart)
}
+TEST_F(TTFF_GPS_L1_CA_Test, HotStart)
+{
+ unsigned int num_measurements = 0;
+ TTFF_v.clear();
+
+ config_2();
+ // Ensure Hot Start
+ config2->set_property("GNSS-SDR.SUPL_gps_enabled", "true");
+ config2->set_property("GNSS-SDR.SUPL_read_gps_assistance_xml", "true");
+ config2->set_property("PVT.flag_rtcm_server", "false");
+
+ 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(config2));
+
+ // 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)
{
@@ -406,7 +469,6 @@ int main(int argc, char **argv)
throw new std::exception();
}
-
// Start queue thread
std::thread receive_msg_thread(receive_msg);
--
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