659 lines
23 KiB
C++
659 lines
23 KiB
C++
#include "Database.h"
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#include "Data_Source.h"
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#include "../server/Global.h"
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#include "../server/Performance_Monitor.h"
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#include "../server/WebSocket_Manager.h"
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#include <algorithm>
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#include <chrono>
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#include <cmath>
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#include <functional>
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#include <map>
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#include <string_view>
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#include <unordered_map>
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#include <unordered_set>
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namespace {
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double to_radians(double degrees) {
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return degrees * 3.14159265358979323846 / 180.0;
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}
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double to_degrees(double radians) {
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return radians * 180.0 / 3.14159265358979323846;
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}
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bool aircraft_in_base_station_radio_range(const std::optional<SSR::Position_3D> &base_position,
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const SSR::Position_Info &position,
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double factor) {
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if (!base_position) {
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return true;
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}
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return SSR::CPR::in_radio_line_of_sight_range(*base_position, base_position->alt, position, position.alt, factor);
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}
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double track_heading_from_points(const SSR::Position_Info &first,
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const SSR::Position_Info &second) {
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auto lat1 = to_radians(first.lat);
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auto lat2 = to_radians(second.lat);
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auto dlon = to_radians(second.lon - first.lon);
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auto y = std::sin(dlon) * std::cos(lat2);
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auto x = std::cos(lat1) * std::sin(lat2) -
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std::sin(lat1) * std::cos(lat2) * std::cos(dlon);
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auto angle = to_degrees(std::atan2(y, x));
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return angle < 0 ? angle + 360.0 : angle;
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}
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double track_pitch_from_points(const SSR::Position_Info &first,
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const SSR::Position_Info &second) {
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auto distance = SSR::CPR::haversine(first, second);
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return std::atan2(second.alt - first.alt, distance) * 180.0 /
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3.14159265358979323846;
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}
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Psc::JSON track_orientation_json_from_points(const SSR::Position_Info &first,
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const SSR::Position_Info &second) {
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auto ret = Psc::JSON::object();
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ret.append({"heading", track_heading_from_points(first, second)});
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ret.append({"pitch", track_pitch_from_points(first, second)});
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ret.append({"roll", 0.0});
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return ret;
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}
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Psc::JSON empty_aircraft_track_json(std::string_view data_source_key,
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std::string_view icao,
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std::size_t last_size) {
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auto ret = Psc::JSON::object();
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ret.append({"icao", icao});
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ret.append({"ds", data_source_key});
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ret.append({"sta_seq", last_size});
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ret.append({"end_seq", last_size});
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ret.append({"size", 0});
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ret.append({"list", Psc::JSON::array()});
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return ret;
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}
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Psc::JSON aircraft_track_json(DataBase *db,
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std::string_view data_source_key,
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std::string_view icao,
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std::size_t last_size,
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bool include_empty) {
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auto aircraft = db->get_aircraft(icao);
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if (aircraft == nullptr) {
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return include_empty ? empty_aircraft_track_json(data_source_key, icao,
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last_size) :
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Psc::JSON();
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}
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auto ret = aircraft->air_pos_track_list.get_last_array_json(last_size);
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auto last_two = aircraft->air_pos_track_list.last_two();
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if (last_two.has_value()) {
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ret.children.insert(
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ret.children.begin(),
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Psc::JSON("track_orientation",
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track_orientation_json_from_points(last_two->first,
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last_two->second)));
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}
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ret.children.insert(ret.children.begin(), Psc::JSON("ds", data_source_key));
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ret.children.insert(ret.children.begin(), Psc::JSON("icao", icao));
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return ret;
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}
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struct Aircraft_Stream_Source_State {
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std::unordered_map<std::string, std::string> aircraft_versions;
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std::unordered_map<std::string, std::uint64_t> track_last_size;
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std::unordered_set<std::string> manual_track_icaos;
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bool monitor_all_aircraft_mode{};
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};
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struct Aircraft_Stream_Client_State {
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std::unordered_map<std::string, Aircraft_Stream_Source_State> sources;
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};
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std::mutex aircraft_stream_clients_mtx;
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std::unordered_map<drogon::WebSocketConnectionPtr, Aircraft_Stream_Client_State>
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aircraft_stream_clients;
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std::unordered_map<std::string, std::uint64_t>
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parse_uint64_map(const Psc::JSON *object) {
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std::unordered_map<std::string, std::uint64_t> ret;
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if (object == nullptr || object->valueType != Psc::Object) {
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return ret;
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}
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for (const auto &child : object->children) {
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if (child.valueType != Psc::Number) {
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continue;
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}
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auto value = child.try_number_val<std::uint64_t>();
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if (value.has_value()) {
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ret[child.key] = value.value();
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}
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}
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return ret;
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}
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std::unordered_map<std::string, std::string>
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parse_string_map(const Psc::JSON *object) {
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std::unordered_map<std::string, std::string> ret;
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if (object == nullptr || object->valueType != Psc::Object) {
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return ret;
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}
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for (const auto &child : object->children) {
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if (child.valueType == Psc::String) {
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ret[child.key] = child.val;
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}
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}
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return ret;
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}
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std::unordered_set<std::string> parse_string_set(const Psc::JSON *array) {
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std::unordered_set<std::string> ret;
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if (array == nullptr || array->valueType != Psc::Array) {
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return ret;
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}
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for (const auto &child : array->children) {
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if (child.valueType == Psc::String) {
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ret.insert(child.val);
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}
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}
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return ret;
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}
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bool json_array_has_items(const Psc::JSON &object, std::string_view key) {
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auto value = object.get(key);
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return value != nullptr && value->valueType == Psc::Array &&
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!value->children.empty();
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}
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bool aircraft_stream_source_has_update(const Psc::JSON &source) {
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return json_array_has_items(source, "change_list") ||
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json_array_has_items(source, "removed_icaos") ||
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json_array_has_items(source, "tracks");
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}
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Psc::JSON aircraft_stream_source_update_json(
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std::string_view data_source_key,
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Aircraft_Stream_Source_State &state) {
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auto ret = Psc::JSON::object();
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auto tracks = Psc::JSON::array();
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ret.append({"key", data_source_key});
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auto source = Global::instance()->source(data_source_key);
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if (source == nullptr || !source->enable) {
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ret.append({"change_list", Psc::JSON::array()});
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ret.append({"removed_icaos", Psc::JSON::array()});
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ret.append({"tracks", tracks});
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ret.append({"enabled", false});
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return ret;
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}
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ret.append({"enabled", true});
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auto change = source->get_aircraft_change_update_json(state.aircraft_versions);
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ret.append_list(change.children);
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std::unordered_set<std::string> monitored_icaos;
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if (state.monitor_all_aircraft_mode) {
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for (const auto &[icao, version] : state.aircraft_versions) {
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monitored_icaos.insert(icao);
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}
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} else {
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monitored_icaos = state.manual_track_icaos;
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}
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for (const auto &icao : monitored_icaos) {
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auto aircraft = source->get_aircraft(icao);
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if (aircraft == nullptr) {
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continue;
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}
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auto current_seq = aircraft->air_pos_track_list.current_seq();
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auto last_iter = state.track_last_size.find(icao);
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auto last_size = last_iter == state.track_last_size.end() ? 0 :
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last_iter->second;
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if (current_seq == last_size) {
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continue;
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}
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tracks.children.push_back(
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aircraft_track_json(source.get(), data_source_key, icao, last_size,
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true));
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state.track_last_size[icao] = current_seq;
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}
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for (auto iter = state.track_last_size.begin();
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iter != state.track_last_size.end();) {
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if (monitored_icaos.contains(iter->first)) {
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++iter;
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continue;
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}
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iter = state.track_last_size.erase(iter);
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}
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ret.append({"tracks", tracks});
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return ret;
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}
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void send_aircraft_stream_update(
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const drogon::WebSocketConnectionPtr &conn,
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Aircraft_Stream_Client_State &state) {
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auto ret = Psc::JSON::object();
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auto sources = Psc::JSON::array();
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for (auto &[key, source_state] : state.sources) {
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auto source = aircraft_stream_source_update_json(key, source_state);
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if (aircraft_stream_source_has_update(source)) {
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sources.children.push_back(source);
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}
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}
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if (sources.children.empty()) {
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return;
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}
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ret.append({"type", "aircraft_update"});
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ret.append({"sources", sources});
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conn->send(ret.to_json_string());
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}
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void push_aircraft_stream_updates() {
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std::lock_guard<std::mutex> g(aircraft_stream_clients_mtx);
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for (auto &[conn, state] : aircraft_stream_clients) {
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send_aircraft_stream_update(conn, state);
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}
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}
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void handle_aircraft_stream_subscribe(
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const drogon::WebSocketConnectionPtr &conn,
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const Psc::JSON ¶ms) {
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auto sources = params.get("sources");
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if (sources == nullptr || sources->valueType != Psc::Array) {
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return;
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}
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std::lock_guard<std::mutex> g(aircraft_stream_clients_mtx);
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auto &client = aircraft_stream_clients[conn];
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client.sources.clear();
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for (const auto &source_json : sources->children) {
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if (source_json.valueType != Psc::Object) {
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continue;
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}
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auto key = source_json.try_get_string("key");
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if (!key.has_value()) {
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continue;
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}
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Aircraft_Stream_Source_State state;
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if (auto monitor_all = source_json.try_get_bool("monitor_all_aircraft_mode")) {
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state.monitor_all_aircraft_mode = monitor_all.value();
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}
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state.aircraft_versions =
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parse_string_map(source_json.get("aircraft_versions"));
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state.track_last_size = parse_uint64_map(source_json.get("track_last_size"));
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state.manual_track_icaos =
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parse_string_set(source_json.get("manual_track_icaos"));
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client.sources[key.value()] = std::move(state);
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}
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send_aircraft_stream_update(conn, client);
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}
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void handle_aircraft_stream_message(const drogon::WebSocketConnectionPtr &conn,
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std::string &&message,
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const drogon::WebSocketMessageType &type) {
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if (type != drogon::WebSocketMessageType::Text) {
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return;
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}
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auto parsed = Psc::try_parse_json(message);
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if (!parsed.has_value()) {
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return;
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}
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auto type_json = parsed->try_get_string("type");
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if (type_json.has_value() && type_json.value() == "subscribe") {
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handle_aircraft_stream_subscribe(conn, parsed.value());
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}
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}
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void close_aircraft_stream_client(const drogon::WebSocketConnectionPtr &conn) {
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std::lock_guard<std::mutex> g(aircraft_stream_clients_mtx);
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aircraft_stream_clients.erase(conn);
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}
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void register_aircraft_stream_ws() {
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auto ws = Ws_Mgr::instance()->register_ws("/aircraft_stream");
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ws->set_message_handler(handle_aircraft_stream_message);
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ws->set_close_handler(close_aircraft_stream_client);
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drogon::app().getLoop()->runEvery(1.0, [] {
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push_aircraft_stream_updates();
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});
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}
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}
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Aircraft::Aircraft(std::string_view icao) : Aircraft_Info(icao) {
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auto size = Global::instance()->mode_acs.max_track_point_size.load();
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air_pos_track_list.init(size);
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surface_pos_track_list.init(size);
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}
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void Aircraft::refresh_external_database_info() {
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auto &manager = Global::instance()->external_resources_manager;
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if (!external_database_info_loaded) {
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external_database_info = manager.query_aircraft_external_databases(icao);
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external_database_info_loaded = true;
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}
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auto callsign = flight();
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if (!callsign)
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callsign = bds20_call_sign();
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if (last_external_database_callsign == callsign) {
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return;
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}
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callsign_external_database_info =
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manager.query_callsign_external_databases(callsign);
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last_external_database_callsign = std::move(callsign);
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}
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std::shared_ptr<SSR::Aircraft_Info>
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DataBase::get_aircraft(std::string_view icao) {
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return aircraft_map.get(std::string(icao));
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}
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std::shared_ptr<SSR::Aircraft_Info>
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DataBase::create_aircraft(std::string_view icao) {
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auto ret = aircraft_map.create(std::string(icao));
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ret->refresh_external_database_info();
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return ret;
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}
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void DataBase::delete_timeout_aircraft() {
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aircraft_map.remove_cond([](const std::shared_ptr<SSR::Aircraft_Info> &item) {
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if (item->timestamp == 0) {
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std::cout << "未初始化的 timestamp " << LOG_POS << std::endl;
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}
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long long time = std::time(nullptr) - item->timestamp;
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return time > Global::instance()->mode_acs.timeout_seconds;
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});
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}
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JSON DataBase::get_aircraftlist() {
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JSON json = JSON::array();
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for (auto &it : aircraft_map.values()) {
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auto o = Aircraft_List_JSON_Service_O::to_That(this, it.get());
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json.children.push_back(o.toJson());
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}
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return json;
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}
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Psc::JSON DataBase::get_aircraftlist(int limit_msg_num) {
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JSON json = JSON::array();
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for (auto &it : aircraft_map.values()) {
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if (it->times < limit_msg_num)
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continue;
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auto o = Aircraft_List_JSON_Service_O::to_That(this, it.get());
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json.children.push_back(o.toJson());
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}
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return json;
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}
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std::vector<std::shared_ptr<SSR::Aircraft_Info>>
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DataBase::get_visible_aircraft_snapshot() {
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std::vector<std::shared_ptr<SSR::Aircraft_Info>> ret;
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auto g = Global::instance();
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auto min_position_points =
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g->mode_acs.aircraft_change_list_min_position_points.load();
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auto range_filter = g->mode_acs.aircraft_change_list_adsb_range_filter.load();
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auto range_factor = g->mode_acs.aircraft_change_list_adsb_range_factor.load();
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auto source = g->source(get_key());
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auto base_position = base_station.get_pos();
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if (source) {
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if (!base_position && source->base_station_has_valid_position.load()) {
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base_position = SSR::Position_3D{source->lat, source->lon, source->alt};
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}
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}
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for (auto &it : aircraft_map.values()) {
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if (it->air_pos_track_list.size() < min_position_points) {
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continue;
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}
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auto last_position = it->air_pos_track_list.last();
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if (!last_position) {
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continue;
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}
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if (range_filter &&
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!aircraft_in_base_station_radio_range(base_position, *last_position,
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range_factor)) {
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continue;
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}
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ret.push_back(it);
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}
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have_pos_aircraft_num = ret.size();
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return ret;
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}
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std::uint64_t DataBase::aircraft_change_version(SSR::Aircraft_Info *info) {
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std::uint64_t ret = static_cast<std::uint64_t>(info->timestamp);
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ret = ret * 1315423911ull + info->air_pos_track_list.current_seq();
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ret = ret * 1315423911ull + info->times.load();
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return ret;
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}
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Psc::JSON DataBase::aircraft_change_item_json(SSR::Aircraft_Info *info) {
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auto vto = Flight_VTO::to_VTO(info);
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auto ret = vto.to_json();
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ret.append({"change_version", std::to_string(aircraft_change_version(info))});
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return ret;
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}
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JSON DataBase::get_all_aircraft_json() {
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JSON json = JSON::array();
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for (auto &it : get_visible_aircraft_snapshot()) {
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json.children.push_back(aircraft_change_item_json(it.get()));
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}
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return json;
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}
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Psc::JSON DataBase::get_aircraft_change_update_json(
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std::unordered_map<std::string, std::string> &client_versions) {
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JSON ret = JSON::object();
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JSON change_list = JSON::array();
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JSON removed_icaos = JSON::array();
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std::unordered_set<std::string> current_icaos;
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for (auto &it : get_visible_aircraft_snapshot()) {
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auto version = std::to_string(aircraft_change_version(it.get()));
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current_icaos.insert(it->icao);
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auto iter = client_versions.find(it->icao);
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if (iter == client_versions.end() || iter->second != version) {
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change_list.children.push_back(aircraft_change_item_json(it.get()));
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}
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client_versions[it->icao] = version;
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}
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for (auto iter = client_versions.begin(); iter != client_versions.end();) {
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if (current_icaos.contains(iter->first)) {
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++iter;
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continue;
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}
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removed_icaos.children.push_back(iter->first);
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iter = client_versions.erase(iter);
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}
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ret.append({"change_list", change_list});
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ret.append({"removed_icaos", removed_icaos});
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ret.append({"snapshot_size", current_icaos.size()});
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return ret;
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}
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JSON DataBase::get_aircraft_list_after(time_t timestamp) {
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JSON json = JSON::array();
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auto g = Global::instance();
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for (auto &it : aircraft_map.values()) {
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auto vto = Flight_VTO::to_VTO(it.get());
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bool have_pos = !it.get()->air_pos_track_list.empty();
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if (have_pos && vto.time_stamp > timestamp) {
|
|
json.children.push_back(vto.to_json());
|
|
}
|
|
}
|
|
return json;
|
|
}
|
|
|
|
#ifdef Cache_Some_Mode_S
|
|
Psc::JSON DataBase::get_limit_mode_s_msg_info() {
|
|
|
|
JSON ret = JSON::object();
|
|
JSON list = JSON::array();
|
|
std::map<int, size_t> map;
|
|
std::map<int, size_t> num_test;
|
|
for (auto &air : aircraft_map.values()) {
|
|
if (air->total_num > Cache_Some_Mode_S_Num)
|
|
continue;
|
|
Psc::JSON air_json = Psc::JSON::object();
|
|
{
|
|
Psc::JSON ms = Psc::JSON::array();
|
|
int n = air->cache.size();
|
|
for (auto msg : air->cache) {
|
|
Psc::JSON cur = Psc::JSON::object(
|
|
{{"hex", msg->msg_hex}, {"df", to_string(msg->df)}});
|
|
if (msg->df == Downlink_Format::Extended_Squitter_17) {
|
|
|
|
auto tc = type_code(msg->msg_bin);
|
|
cur.children.push_back({"tc", tc});
|
|
map[tc]++;
|
|
num_test[air->total_num] = n;
|
|
}
|
|
ms.append(cur);
|
|
}
|
|
air_json.children.push_back({"icao", air->icao});
|
|
air_json.children.push_back({"total_num", air->total_num});
|
|
air_json.children.push_back({"ms", ms});
|
|
}
|
|
list.children.push_back(air_json);
|
|
}
|
|
ret.children.push_back({"key", key});
|
|
for (auto pair : map) {
|
|
ret.children.push_back({std::to_string(pair.first), pair.second});
|
|
}
|
|
Psc::JSON t = Psc::JSON::object();
|
|
for (auto pair : num_test) {
|
|
t.children.push_back({std::to_string(pair.first), pair.second});
|
|
}
|
|
ret.children.push_back({"数量统计", t});
|
|
ret.children.push_back({"list", list});
|
|
return ret;
|
|
}
|
|
#endif
|
|
|
|
size_t DataBase::get_aircraft_num() { return aircraft_map.size(); }
|
|
|
|
#define _init_db \
|
|
HTTP_REQUIRE_VALUE(data_source_key, \
|
|
params.try_get_string("data_source_key")) \
|
|
auto db = Global::instance()->source(data_source_key); \
|
|
if (db == nullptr) { \
|
|
res->setStatusCode(drogon::k503ServiceUnavailable); \
|
|
JSON ret; \
|
|
res->setBody(ret.to_json_string()); \
|
|
return; \
|
|
}
|
|
|
|
void database_server(Global *g) {
|
|
auto &svr = g->svr;
|
|
auto &api = g->api;
|
|
// g->load_aircraft_csv(g->mode_acs.aircraft_csv_path);
|
|
g->external_resources_manager.load_sqlite_db(
|
|
Psc::get_abs_path(g->external_resources_manager.ecap_sqlite_path));
|
|
register_aircraft_stream_ws();
|
|
|
|
#ifdef Cache_Some_Mode_S
|
|
svr.Post(api + "get_cache_some_mode_s_info", [](HTTP_Param) {
|
|
CHECK_JSON_PARAM
|
|
_init_db auto g = Global::instance();
|
|
auto ret = JSON::object();
|
|
if (db) {
|
|
ret = db->get_limit_mode_s_msg_info();
|
|
}
|
|
res->setBody(warp(ret).to_json_string());
|
|
});
|
|
#endif
|
|
|
|
svr.Post(api + "get_base_station_location", [](HTTP_Param) {
|
|
CHECK_JSON_PARAM
|
|
_init_db auto g = Global::instance();
|
|
auto ret = JSON::object();
|
|
if (db) {
|
|
ret = db->base_station.to_Json();
|
|
auto target_height =
|
|
g->mode_acs.adsb_theoretical_target_altitude_meters.load();
|
|
auto range = Base_Station::theoretical_detection_range_meters(db->alt,
|
|
target_height);
|
|
ret.append({"latitude", db->lat});
|
|
ret.append({"longitude", db->lon});
|
|
ret.append({"height", db->alt});
|
|
ret.append({"adsb_theoretical_target_altitude_meters", target_height});
|
|
ret.append({"adsb_theoretical_detection_range_meters", range});
|
|
ret.append({"理论探测范围", range});
|
|
}
|
|
res->setBody(warp(ret).to_json_string());
|
|
});
|
|
svr.Post(api + "get_aircraft_base_info", [](HTTP_Param) {
|
|
CHECK_JSON_PARAM
|
|
_init_db HTTP_REQUIRE_VALUE(icao,
|
|
params.try_get_string("icao")) auto aircraft =
|
|
db->get_aircraft(icao);
|
|
JSON ret;
|
|
if (aircraft != nullptr) {
|
|
auto vto = Flight_VTO::to_VTO(aircraft.get());
|
|
ret = vto.to_base_info_json();
|
|
}
|
|
res->setBody(ret.to_json_string());
|
|
});
|
|
svr.Post(api + "get_aircraft_detail_info", [](HTTP_Param) {
|
|
CHECK_JSON_PARAM
|
|
_init_db HTTP_REQUIRE_VALUE(icao,
|
|
params.try_get_string("icao")) auto aircraft =
|
|
db->get_aircraft(icao);
|
|
JSON ret;
|
|
if (aircraft != nullptr) {
|
|
ret = aircraft->toJson();
|
|
}
|
|
res->setBody(ret.to_json_string());
|
|
});
|
|
svr.Post(api + "get_aircraft_list_after", [](HTTP_Param) {
|
|
CHECK_JSON_PARAM
|
|
_init_db HTTP_REQUIRE_VALUE(
|
|
timestamp, params.try_get_number<std::uint32_t>("timestamp")) auto ret =
|
|
db->get_aircraft_list_after(timestamp);
|
|
res->setBody(ret.to_json_string());
|
|
});
|
|
|
|
svr.Get(R"(/aircraftlist.json)", [](HTTP_Param) {
|
|
auto list = Global::instance()->mode_acs.data_source_config.map.list();
|
|
std::shared_ptr<Data_Source> ts = nullptr;
|
|
auto ret = JSON::array();
|
|
for (const auto &li : list) {
|
|
if (li->enable) {
|
|
ret = li->get_aircraftlist();
|
|
break;
|
|
}
|
|
}
|
|
res->setBody(ret.to_json_string("", "\n", ""));
|
|
});
|
|
|
|
// aircraftlist.json 的带数据源版本
|
|
svr.Post(api + "aircraft_list", [](HTTP_Param) {
|
|
CHECK_JSON_PARAM
|
|
auto g = Global::instance();
|
|
HTTP_REQUIRE_VALUE(data_source_key,
|
|
params.try_get_string("data_source_key"))
|
|
std::shared_ptr<Data_Source> db;
|
|
{
|
|
db = g->source(data_source_key);
|
|
}
|
|
if (db == nullptr) {
|
|
res->setStatusCode(drogon::k503ServiceUnavailable);
|
|
JSON ret;
|
|
res->setBody(ret.to_json_string());
|
|
return;
|
|
}
|
|
|
|
auto limit_msg_num = g->mode_acs.default_min_aircraft_list_num.load();
|
|
auto t = params.get("limit_msg_num");
|
|
if (t) {
|
|
HTTP_REQUIRE_VALUE(requested_limit_msg_num, t->try_number_val<int>())
|
|
limit_msg_num = requested_limit_msg_num;
|
|
}
|
|
JSON ret = JSON::array();
|
|
{
|
|
Scope_Timer timer("aircraft_list.db_query",
|
|
g->http_monitor_config.slow_scope_threshold_ms);
|
|
ret = db->get_aircraftlist(limit_msg_num);
|
|
}
|
|
std::string body;
|
|
{
|
|
Scope_Timer timer("aircraft_list.json_serialization",
|
|
g->http_monitor_config.slow_scope_threshold_ms);
|
|
body = warp(ret).to_json_string();
|
|
}
|
|
res->setBody(body);
|
|
});
|
|
}
|
|
|
|
static std::string output;
|
|
|
|
static void log_i(std::string_view label, std::string_view value,
|
|
std::string_view unit = "") {
|
|
std::ostringstream oss;
|
|
// Format the label and value
|
|
oss << std::left << std::setw(30) << label << ": " << value;
|
|
// Add unit if not empty
|
|
if (!unit.empty()) {
|
|
oss << " " << unit << "\n";
|
|
} else {
|
|
oss << "\n";
|
|
}
|
|
// Append formatted string to output
|
|
output += oss.str();
|
|
}
|
|
|
|
static void log_i(std::string_view label, double value,
|
|
std::string_view unit = "") {
|
|
log_i(label, std::to_string(value), unit);
|
|
}
|