Read Galileo almamac xml file if present

src/core/libs/gnss_sdr_supl_client.cc

@@ -786,6 +786,53 @@ bool gnss_sdr_supl_client::save_gal_iono_xml(const std::string file_name, Galile
 }
 
 
+bool gnss_sdr_supl_client::load_gal_almanac_xml(const std::string file_name)
+{
+    std::ifstream ifs;
+    try
+        {
+            ifs.open(file_name.c_str(), std::ifstream::binary | std::ifstream::in);
+            boost::archive::xml_iarchive xml(ifs);
+            gal_almanac_map.clear();
+            xml >> boost::serialization::make_nvp("GNSS-SDR_gal_almanac_map", this->gal_almanac_map);
+            LOG(INFO) << "Loaded Galileo almanac map data with " << this->gal_almanac_map.size() << " satellites";
+        }
+    catch (std::exception& e)
+        {
+            LOG(WARNING) << e.what() << "File: " << file_name;
+            return false;
+        }
+    return true;
+}
+
+
+bool gnss_sdr_supl_client::save_gal_almanac_xml(const std::string file_name, std::map<int, Galileo_Almanac> gal_almanac_map)
+{
+    if (gal_almanac_map.empty() == false)
+        {
+            std::ofstream ofs;
+            try
+                {
+                    ofs.open(file_name.c_str(), std::ofstream::trunc | std::ofstream::out);
+                    boost::archive::xml_oarchive xml(ofs);
+                    xml << boost::serialization::make_nvp("GNSS-SDR_gal_almanac_map", gal_almanac_map);
+                    LOG(INFO) << "Saved Galileo almanac data";
+                }
+            catch (std::exception& e)
+                {
+                    LOG(WARNING) << e.what();
+                    return false;
+                }
+        }
+    else
+        {
+            LOG(WARNING) << "Failed to save Galileo almanac, map is empty";
+            return false;
+        }
+    return true;
+}
+
+
 bool gnss_sdr_supl_client::load_glo_utc_xml(const std::string file_name)
 {
     std::ifstream ifs;

src/core/libs/gnss_sdr_supl_client.h

@@ -51,6 +51,7 @@ extern "C"
 #include "galileo_ephemeris.h"
 #include "galileo_utc_model.h"
 #include "galileo_iono.h"
+#include "galileo_almanac.h"
 #include "glonass_gnav_ephemeris.h"
 #include "glonass_gnav_utc_model.h"
 #include <boost/archive/xml_oarchive.hpp>
@@ -90,6 +91,7 @@ public:
 
     // almanac map
     std::map<int, Gps_Almanac> gps_almanac_map;
+    std::map<int, Galileo_Almanac> gal_almanac_map;
 
     // ionospheric model
     Gps_Iono gps_iono;
@@ -195,6 +197,16 @@ public:
      */
     bool save_gal_utc_xml(const std::string file_name, Galileo_Utc_Model& utc);
 
+    /*!
+     * \brief Read Galileo almanac map from XML file
+     */
+    bool load_gal_almanac_xml(const std::string file_name);
+
+    /*!
+     * \brief Save Galileo almanac map to XML file
+     */
+    bool save_gal_almanac_xml(const std::string file_name, std::map<int, Galileo_Almanac> gal_almanac);
+
     /*!
      * \brief Read iono from XML file
      */

src/core/receiver/control_thread.cc

@@ -234,6 +234,7 @@ bool ControlThread::read_assistance_from_XML()
     std::string cnav_utc_xml_filename = configuration_->property("GNSS-SDR.SUPL_cnav_utc_model_xml", cnav_utc_default_xml_filename);
     std::string eph_glo_xml_filename = configuration_->property("GNSS-SDR.SUPL_glo_ephemeris_xml", eph_glo_gnav_default_xml_filename);
     std::string glo_utc_xml_filename = configuration_->property("GNSS-SDR.SUPL_glo_utc_model_xml", glo_utc_default_xml_filename);
+    std::string gal_almanac_xml_filename = configuration_->property("GNSS-SDR.SUPL_gal_almanacl_xml", gal_almanac_default_xml_filename);
 
     if (configuration_->property("GNSS-SDR.AGNSS_XML_enabled", false) == true)
         {
@@ -249,6 +250,7 @@ bool ControlThread::read_assistance_from_XML()
             cnav_utc_xml_filename = configuration_->property("GNSS-SDR.AGNSS_cnav_utc_model_xml", cnav_utc_default_xml_filename);
             eph_glo_xml_filename = configuration_->property("GNSS-SDR.AGNSS_glo_ephemeris_xml", eph_glo_gnav_default_xml_filename);
             glo_utc_xml_filename = configuration_->property("GNSS-SDR.AGNSS_glo_utc_model_xml", glo_utc_default_xml_filename);
+            gal_almanac_xml_filename = configuration_->property("GNSS-SDR.AGNSS_gal_almanacl_xml", gal_almanac_default_xml_filename);
         }
 
     std::cout << "Trying to read GNSS ephemeris from XML file(s)..." << std::endl;
@@ -317,6 +319,20 @@ bool ControlThread::read_assistance_from_XML()
                     std::cout << "From XML file: Read Galileo UTC model parameters." << std::endl;
                     ret = true;
                 }
+
+            if (supl_client_ephemeris_.load_gal_almanac_xml(gal_almanac_xml_filename) == true)
+                {
+                    std::map<int, Galileo_Almanac>::const_iterator gal_alm_iter;
+                    for (gal_alm_iter = supl_client_ephemeris_.gal_almanac_map.cbegin();
+                         gal_alm_iter != supl_client_ephemeris_.gal_almanac_map.cend();
+                         gal_alm_iter++)
+                        {
+                            std::cout << "From XML file: Read Galileo almanac for satellite " << Gnss_Satellite("Galileo", gal_alm_iter->second.i_satellite_PRN) << std::endl;
+                            std::shared_ptr<Galileo_Almanac> tmp_obj = std::make_shared<Galileo_Almanac>(gal_alm_iter->second);
+                            flowgraph_->send_telemetry_msg(pmt::make_any(tmp_obj));
+                        }
+                    ret = true;
+                }
         }
 
     if ((configuration_->property("Channels_2S.count", 0) > 0) or (configuration_->property("Channels_L5.count", 0) > 0))

src/core/receiver/control_thread.h

@@ -180,6 +180,7 @@ private:
     const std::string cnav_utc_default_xml_filename = "./gps_cnav_utc_model.xml";
     const std::string eph_glo_gnav_default_xml_filename = "./glo_gnav_ephemeris.xml";
     const std::string glo_utc_default_xml_filename = "./glo_utc_model.xml";
+    const std::string gal_almanac_default_xml_filename = "./gal_almanac.xml";
 };
 
 #endif /*GNSS_SDR_CONTROL_THREAD_H_*/