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centralize-db-retrieval-functions
This commit is contained in:
Arjan Onwezen
parent
30449e0adf
commit
867539ce9c
5 changed files with 251 additions and 122 deletions
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@ -107,11 +107,7 @@ ADSBRxAircraftDetailsView::ADSBRxAircraftDetailsView(
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const std::function<void(void)> on_close
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) : entry_copy(entry),
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on_close_(on_close)
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{
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char file_buffer[32] { 0 };
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bool found = false;
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size_t number_of_icao_codes = 0;
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std::string icao_code;
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{
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add_children({
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&labels,
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@ -130,46 +126,22 @@ ADSBRxAircraftDetailsView::ADSBRxAircraftDetailsView(
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std::unique_ptr<ADSBLogger> logger { };
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//update(entry_copy);
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icao_code = to_string_hex(entry_copy.ICAO_address, 6);
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text_icao_address.set(to_string_hex(entry_copy.ICAO_address, 6));
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// Try getting the aircraft information from icao24.db
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auto result = db_file.open("ADSB/icao24.db");
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if (!result.is_valid()) {
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// determine number of ICAO24 codes in file, total size / (single index + record size)
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number_of_icao_codes = (db_file.size() / 153);
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icao_code = to_string_hex(entry_copy.ICAO_address, 6);
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// binary search
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int first = 0, // First search element
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last = number_of_icao_codes - 1, // Last search element
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middle, // Mid point of search
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position = -1; // Position of search value
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while (!found && first <= last) {
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middle = (first + last) / 2; // Calculate mid point
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db_file.seek(middle * 7);
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db_file.read(file_buffer, 6);
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if (file_buffer == icao_code) { // If value is found at mid
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found = true;
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position = middle;
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}
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else if (file_buffer > icao_code) // If value is in lower half
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last = middle - 1;
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else
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first = middle + 1; // If value is in upper half
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}
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if (position > -1) {
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db_file.seek((number_of_icao_codes * 7) + (position * 146)); // seek starting after index
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db_file.read(file_buffer, 9);
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text_registration.set(file_buffer);
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db_file.read(file_buffer, 33);
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text_manufacturer.set(file_buffer);
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db_file.read(file_buffer, 33);
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text_model.set(file_buffer);
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db_file.read(file_buffer, 5); // ICAO type decripton
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if(strlen(file_buffer) == 3) {
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switch(file_buffer[0]) {
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return_code = db.retrieve_aircraft_record(&aircraft_record, icao_code);
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switch(return_code) {
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case DATABASE_RECORD_FOUND:
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text_registration.set(aircraft_record.aircraft_registration);
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text_manufacturer.set(aircraft_record.aircraft_manufacturer);
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text_model.set(aircraft_record.aircraft_model);
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text_owner.set(aircraft_record.aircraft_owner);
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text_operator.set(aircraft_record.aircraft_operator);
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// Check for ICAO type, e.g. L2J
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if(strlen(aircraft_record.icao_type) == 3) {
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switch(aircraft_record.icao_type[0]) {
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case 'L':
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text_type.set("Landplane");
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break;
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@ -189,8 +161,8 @@ ADSBRxAircraftDetailsView::ADSBRxAircraftDetailsView(
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text_type.set("Tilt-wing aircraft");
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break;
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}
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text_number_of_engines.set(std::string(1, file_buffer[1]));
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switch(file_buffer[2]) {
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text_number_of_engines.set(std::string(1, aircraft_record.icao_type[1]));
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switch(aircraft_record.icao_type[2]) {
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case 'P':
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text_engine_type.set("Piston engine");
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break;
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@ -206,30 +178,22 @@ ADSBRxAircraftDetailsView::ADSBRxAircraftDetailsView(
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}
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}
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// check for ICAO type designator
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else if(strlen(file_buffer) == 4) {
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if(strcmp(file_buffer,"SHIP") == 0) text_type.set("Airship");
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else if(strcmp(file_buffer,"BALL") == 0) text_type.set("Balloon");
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else if(strcmp(file_buffer,"GLID") == 0) text_type.set("Glider / sailplane");
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else if(strcmp(file_buffer,"ULAC") == 0) text_type.set("Micro/ultralight aircraft");
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else if(strcmp(file_buffer,"GYRO") == 0) text_type.set("Micro/ultralight autogyro");
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else if(strcmp(file_buffer,"UHEL") == 0) text_type.set("Micro/ultralight helicopter");
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else if(strcmp(file_buffer,"SHIP") == 0) text_type.set("Airship");
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else if(strcmp(file_buffer,"PARA") == 0) text_type.set("Powered parachute/paraplane");
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}
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db_file.read(file_buffer, 33);
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text_owner.set(file_buffer);
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db_file.read(file_buffer, 33);
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text_operator.set(file_buffer);
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} else {
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text_registration.set("Unknown");
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text_manufacturer.set("Unknown");
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}
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} else {
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text_manufacturer.set("No icao24.db file");
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// Check for ICAO type designator
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else if(strlen(aircraft_record.icao_type) == 4) {
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if(strcmp(aircraft_record.icao_type,"SHIP") == 0) text_type.set("Airship");
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else if(strcmp(aircraft_record.icao_type,"BALL") == 0) text_type.set("Balloon");
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else if(strcmp(aircraft_record.icao_type,"GLID") == 0) text_type.set("Glider / sailplane");
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else if(strcmp(aircraft_record.icao_type,"ULAC") == 0) text_type.set("Micro/ultralight aircraft");
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else if(strcmp(aircraft_record.icao_type,"GYRO") == 0) text_type.set("Micro/ultralight autogyro");
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else if(strcmp(aircraft_record.icao_type,"UHEL") == 0) text_type.set("Micro/ultralight helicopter");
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else if(strcmp(aircraft_record.icao_type,"SHIP") == 0) text_type.set("Airship");
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else if(strcmp(aircraft_record.icao_type,"PARA") == 0) text_type.set("Powered parachute/paraplane");
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}
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break;
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case DATABASE_NOT_FOUND:
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text_manufacturer.set("No icao24.db file");
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break;
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}
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button_close.on_select = [&nav](Button&){
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nav.pop();
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};
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@ -275,11 +239,7 @@ ADSBRxDetailsView::ADSBRxDetailsView(
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) : entry_copy(entry),
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on_close_(on_close)
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{
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char file_buffer[32] { 0 };
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bool found = false;
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size_t number_of_airlines = 0;
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std::string airline_code;
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add_children({
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&labels,
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&text_icao_address,
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@ -300,46 +260,19 @@ ADSBRxDetailsView::ADSBRxDetailsView(
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// The following won't (shouldn't !) change for a given airborne aircraft
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// Try getting the airline's name from airlines.db
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auto result = db_file.open("ADSB/airlines.db");
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if (!result.is_valid()) {
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// Search for 3-letter code
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number_of_airlines = (db_file.size() / 68); // determine number of airlines in file
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airline_code = entry_copy.callsign.substr(0, 3);
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// binary search
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int first = 0, // First search element
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last = number_of_airlines - 1, // Last search element
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middle, // Mid point of search
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position = -1; // Position of search value
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while (!found && first <= last) {
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middle = (first + last) / 2; // Calculate mid point
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db_file.seek(middle * 4);
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db_file.read(file_buffer, 3);
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if (file_buffer == airline_code) { // If value is found at mid
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found = true;
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position = middle;
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}
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else if (file_buffer > airline_code) // If value is in lower half
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last = middle - 1;
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else
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first = middle + 1; // If value is in upper half
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}
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if (position > -1) {
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db_file.seek((number_of_airlines * 4) + (position << 6)); // seek starting after index
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db_file.read(file_buffer, 32);
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text_airline.set(file_buffer);
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db_file.read(file_buffer, 32);
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text_country.set(file_buffer);
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} else {
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text_airline.set("Unknown");
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text_country.set("Unknown");
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}
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} else {
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text_airline.set("No airlines.db file");
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text_country.set("No airlines.db file");
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airline_code = entry_copy.callsign.substr(0, 3);
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return_code = db.retrieve_airline_record(&airline_record, airline_code);
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switch(return_code) {
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case DATABASE_RECORD_FOUND:
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text_airline.set(airline_record.airline);
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text_country.set(airline_record.country);
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break;
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case DATABASE_NOT_FOUND:
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text_airline.set("No airlines.db file");
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break;
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}
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text_callsign.set(entry_copy.callsign);
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text_icao_address.set(to_string_hex(entry_copy.ICAO_address, 6));
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