You are a knowledgeable C++ expert named CppGuru, designed specifically to provide support in mastering C++ programming language features and best practices. Demonstrate proficiency in both beginner and advanced concepts, and exhibit thorough familiarity with STL containers, algorithms, iterators, smart pointers, multi-threading, exception handling, and other essential aspects of the language. Always utilize proper syntax, idioms, and conventions associated with modern C++. Showcase extensive expertise in integrating third-party libraries, particularly focusing on the utilization of Boost.APIs for solving real-world problems efficiently. Communicate patiently and tactfully, taking into account varying levels of understanding among different users. Adhere strictly to topic relevance without deviations toward off-topic discussions, except when they contribute significantly to the context. Ensure answers remain accurate, informative, positive, and inspiring, fostering curiosity and continuous learning within the community. code base ```cpp pi@raspberrypi:~/serveur $ cat main2-test-time.cpp // // Copyright (c) 2017 Christopher M. Kohlhoff (chris at kohlhoff dot com) // // Distributed under the Boost Software License, Version 1.0. (See accompanying // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt) // // Official repository: https://github.com/boostorg/beast // //------------------------------------------------------------------------------ // // Example: HTTP server, small // //------------------------------------------------------------------------------ #include #include #include #include #include #include #include #include #include #include #include // Pour les opérations de fichier //rajout Quentin //#include //#include //#include //#include //#include #include #include #include #include // rajout pour parss json #include #include #include #include #include //envois #include #include #include namespace beast = boost::beast; // from namespace http = beast::http; // from namespace net = boost::asio; // from using tcp = boost::asio::ip::tcp; // from using boost::property_tree::ptree; using boost::property_tree::write_json; namespace json = boost::json; using namespace std; namespace my_program_state { std::size_t request_count() { static std::size_t count = 0; return ++count; } std::time_t now() { return std::time(0); } } int createJson(); class http_connection : public std::enable_shared_from_this { public: http_connection(tcp::socket socket) : socket_(std::move(socket)) { } void start() { read_request(); check_deadline(); } private: boost::asio::io_context ctx; tcp::socket socket_; beast::flat_buffer buffer_{ 8192 }; http::request request_; // passer en string_body http::response response_; // passer en straing_body net::steady_timer deadline_{ socket_.get_executor(), std::chrono::seconds(60) }; void read_request() { auto self = shared_from_this(); http::async_read( socket_, buffer_, request_, [self](beast::error_code ec, std::size_t bytes_transferred) { boost::ignore_unused(bytes_transferred); if (!ec) self->process_request(); }); } void process_request() { response_.version(request_.version()); response_.keep_alive(false); switch (request_.method()) { case http::verb::get: response_.result(http::status::ok); response_.set(http::field::server, "Beast"); create_response_get(); break; case http::verb::post: response_.result(http::status::ok); response_.set(http::field::server, "Beast"); create_response_post(); break; default: response_.result(http::status::bad_request); response_.set(http::field::content_type, "text/plain"); response_.body() = "erreur"; response_.prepare_payload(); //en dyna //beast::ostream(response_.body()) // << "Invalid request-method '" // << std::string(request_.method_string()) // << "'"; break; } write_response(); } void create_response_get() { /*if (request_.target() == "/count") { response_.set(http::field::content_type, "text/html"); beast::ostream(response_.body()) << "\n" << "Request count\n" << "\n" << "

Request count

\n" << "

There have been " << my_program_state::request_count() << " requests so far.

\n" << "\n" << "\n"; }*/ boost::mysql::tcp_connection conn(ctx.get_executor()); // Resolve the hostname to get a collection of endpoints boost::asio::ip::tcp::resolver resolver(ctx.get_executor()); auto endpoints = resolver.resolve("172.18.11.122", boost::mysql::default_port_string); // The username, password and database to use boost::mysql::handshake_params params( "admin", // username "root", // password "mission" // database ); // Connect to the server using the first endpoint returned by the resolver conn.connect(*endpoints.begin(), params); // Issue the SQL query to the server const char* sql = "SELECT 'Connection DB [OK]'"; boost::mysql::results result; conn.execute(sql, result); if (request_.target() == "/time") { response_.version(request_.version()); response_.result(http::status::ok); response_.set(http::field::server, "My HTTP Server"); response_.set(http::field::content_type, "text/html"); using std::chrono::system_clock; // std::chrono::duration > one_day(1); system_clock::time_point today = system_clock::now(); std::time_t tt; tt = system_clock::to_time_t(today); char str[15]; sprintf(str,"%lu",tt); //my_program_state::now(); std::string page = "\n" + std::string("Current time\n") + std::string("\n") + std::string("

Current time

\n") + std::string("

The current time is ") + str + std::string(" seconds since the epoch.

\n") + std::string("\n") + std::string("\n"); response_.body() = page; response_.prepare_payload(); } /* void insert_product( tcp_ssl_connection& conn, const statement& stmt, string login, ) */ if (request_.target() == "/mission_a_faire") { response_.version(request_.version()); response_.result(http::status::ok); response_.set(http::field::server, "My HTTP Server"); response_.set(http::field::content_type, "text/html"); // Prepare a statement to insert into this table // boost::mysql::statement stmt = conn.prepare_statement("SELECT * FROM mission;"); cout << "reçu" << endl << flush; boost::mysql::results result; cout << "result crée"<< endl << flush; // conn.query("SELECT x_depart, y_depart, x_arrive, y_arrive, date_debut, date_fin FROM mission WHERE etat_mission = 'à faire' ORDER BY date_debut DESC LIMIT 5;", result); cout << "envoye de la requette"<< endl << flush; conn.query("SELECT * FROM mission;", result); cout << "SQL envoyer"; for(boost::mysql::row_view r :result.rows()) { boost::mysql::field_view description_fv = r.at(1); if (description_fv.is_null()) { // Handle the NULL value // Note: description_fv.is_string() will return false here; NULL is represented as a separate // type std::cout << "No description for product_id " << r.at(0) << std::endl; } else { // Handle the non-NULL case. Get the underlying value and use it as you want // If there is any schema mismatch (and description was not defined as VARCHAR), this will // throw boost::string_view description = description_fv.as_string(); // Use description as required std::cout << "product_id " << r.at(0) << ": " << description << std::endl; } } cout << "création de la page avec coucou"<< endl << flush; // conn.execute("SELECT * FROM mission"); // conn.execute(stmt.bind(), result); //char mission_a_faire[45]; //my_program_state::now(); std::string page = "coucou mission_a_faire"; cout << "coucou crée"<< endl << flush; //std::string("mission a faire\n") //+ std::string("\n") //+ std::string("

Utilisateur

\n") //+ std::string("

Voici les Mission à faire
------------------------

") //+ mission_a_faire //+ std::string("
------------------------\n") //+ std::string("\n") //+ std::string("\n"); cout << "envoye de page dans le body"; response_.body() = page; response_.prepare_payload(); cout << "envoyer"<< endl << flush; } if (request_.target() == "/mission_en_cours") { response_.version(request_.version()); response_.result(http::status::ok); response_.set(http::field::server, "My HTTP Server"); response_.set(http::field::content_type, "text/html"); // Prepare a statement to insert into this table // boost::mysql::statement stmt = conn.prepare_statement("SELECT x_depart, y_depart, x_arrive, y_arrive, date_debut, date_fin FROM mission WHERE etat_mission = 'en cours' ORDER BY date_debut LIMIT 1;"); // boost::mysql::results result; // conn.execute(stmt.bind(), result); // char mission[45]; //my_program_state::now(); boost::mysql::results result; conn.query("SELECT * FROM mission WHERE etat_mission = 'en cours' ORDER BY date_debut;", result); //std::string page = "\n" + std::string page = "coucou mission_en_cours"; // Parcourir les résultats de la requête SQL for(boost::mysql::row_view r :result.rows()) { boost::mysql::field_view description_fv = r.at(1); if (description_fv.is_null()) { // Handle the NULL value // Note: description_fv.is_string() will return false here; NULL is represented as a separate // type std::cout << "No description for product_id " << r.at(0) << std::endl; } else { // Handle the non-NULL case. Get the underlying value and use it as you want // If there is any schema mismatch (and description was not defined as VARCHAR), this will // throw boost::string_view description = description_fv.as_string(); // Use description as required std::cout << "ID " << r.at(0) << ": " << description << std::endl; } } struct mission_en_cours { int id; // long time; float valeur; int type; // int mission_en_cours; }; std::vector mission_en_cours; // std::string("Utilisateur\n") // + std::string("\n") // + std::string("

Utilisateur

\n") // + std::string("

Voici les utilisateur
------------------------

") // + mission // + std::string("
------------------------\n") // + std::string("\n") // + std::string("\n"); response_.body() = page; response_.prepare_payload(); } if (request_.target() == "/missions_finies") { response_.version(request_.version()); response_.result(http::status::ok); response_.set(http::field::server, "My HTTP Server"); response_.set(http::field::content_type, "text/html"); // // // // Prepare a statement to insert into this table boost::mysql::results result; conn.query("SELECT * FROM mission;", result); for(boost::mysql::row_view r :result.rows()) { boost::mysql::field_view description_fv = r.at(1); if (description_fv.is_null()) { // Handle the NULL value // Note: description_fv.is_string() will return false here; NULL is represented as a separate // type std::cout << "No description for product_id " << r.at(0) << std::endl; } else { // Handle the non-NULL case. Get the underlying value and use it as you want // If there is any schema mismatch (and description was not defined as VARCHAR), this will // throw boost::string_view description = description_fv.as_string(); // Use description as required std::cout << "product_id " << r.at(0) << ": " << description << std::endl; } } std::string page = "coucou missions_finies"; // conn.execute(stmt.bind(), result); // char user[45]; // //my_program_state::now(); // std::string page = "\n" + // std::string("mission fini\n") // + std::string("\n") // + std::string("

Mission fini

\n") // + std::string("

Voici les mission fini
------------------------

") // + user // + std::string("
------------------------\n") // + std::string("\n") // + std::string("\n"); response_.body() = page; response_.prepare_payload(); } } /* // Requête pour obtenir les informations d'un compte à modifier else if (request_.target() == "/compte_a_modifier") { response_.version(request_.version()); response_.result(http::status::ok); response_.set(http::field::server, "My HTTP Server"); response_.set(http::field::content_type, "text/html"); boost::mysql::statement stmt = conn.prepare_statement("SELECT user_name, mot_de_passe FROM compte WHERE user_name = ?;"); boost::mysql::results result; conn.execute(stmt.bind("username"), result); std::string compte; for (auto row : result) { // compte += "Utilisateur: " + row[0].as_string() + ", Mot de passe: " + row[1].as_string() + "
"; } std::string page = "\n" + std::string("Compte à modifier\n") + std::string("\n") + std::string("

Compte à modifier

\n") + std::string("

") + compte + std::string("

\n") + std::string("\n") + std::string("\n"); response_.body() = page; response_.prepare_payload(); } // Requête pour modifier les informations d'un compte (autorisation et mot de passe) else if (request_.target() == "/informations_a_modifier_1") { response_.version(request_.version()); response_.result(http::status::ok); response_.set(http::field::server, "My HTTP Server"); response_.set(http::field::content_type, "text/html"); boost::mysql::statement stmt = conn.prepare_statement("UPDATE compte SET autorisation = ?, mot_de_passe = ? WHERE user_name = ?;"); boost::mysql::results result; conn.execute(stmt.bind("new_authorization", "new_password", "username"), result); std::string page = "\n" + std::string("Modification des informations\n") + std::string("\n") + std::string("

Informations modifiées

\n") + std::string("

Les informations de l'utilisateur ont été modifiées avec succès.

\n") + std::string("\n") + std::string("\n"); response_.body() = page; response_.prepare_payload(); } // Requête pour modifier les informations d'un compte (autorisation) else if (request_.target() == "/informations_a_modifier_2") { response_.version(request_.version()); response_.result(http::status::ok); response_.set(http::field::server, "My HTTP Server"); response_.set(http::field::content_type, "text/html"); boost::mysql::statement stmt = conn.prepare_statement("UPDATE compte SET autorisation = ? WHERE user_name = ?;"); boost::mysql::results result; conn.execute(stmt.bind("new_authorization", "username"), result); std::string page = "\n" + std::string("Modification des informations\n") + std::string("\n") + std::string("

Informations modifiées

\n") + std::string("

Les informations de l'utilisateur ont été modifiées avec succès.

\n") + std::string("\n") + std::string("\n"); response_.body() = page; response_.prepare_payload(); } // Requête pour modifier les informations d'un compte (mot de passe) else if (request_.target() == "/informations_a_modifier_3") { response_.version(request_.version()); response_.result(http::status::ok); response_.set(http::field::server, "My HTTP Server"); response_.set(http::field::content_type, "text/html"); boost::mysql::statement stmt = conn.prepare_statement("UPDATE compte SET mot_de_passe = ? WHERE user_name = ?;"); boost::mysql::results result; conn.execute(stmt.bind("new_password", "username"), result); std::string page = "\n" + std::string("Modification des informations\n") +std::string("\n") +std::string("

Informations modifiées

\n") +std::string("

Les informations de l'utilisateur ont été modifiées avec succès.

\n") +std::string("\n") +std::string("\n"); response_.body() = page; response_.prepare_payload(); } // Requête pour supprimer un compte else if (request_.target() == "/compte_a_supprimer") { response_.version(request_.version()); response_.result(http::status::ok); response_.set(http::field::server, "My HTTP Server"); response_.set(http::field::content_type, "text/html"); boost::mysql::statement stmt = conn.prepare_statement("DELETE FROM compte WHERE user_name = ?;"); boost::mysql::results result; conn.execute(stmt.bind("username"), result); std::string page = "\n" + std::string("Suppression de compte\n") + std::string("\n") + std::string("

Compte supprimé

\n") + std::string("

Le compte utilisateur a été supprimé avec succès.

\n") + std::string("\n") + std::string("\n"); response_.body() = page; response_.prepare_payload(); } // Requête pour vérifier les informations de connexion else if (request_.target() == "/demande_login_mdp") { response_.version(request_.version()); response_.result(http::status::ok); response_.set(http::field::server, "My HTTP Server"); response_.set(http::field::content_type, "text/html"); boost::mysql::statement stmt = conn.prepare_statement("SELECT user_name, mot_de_passe FROM compte WHERE user_name = ? AND mot_de_passe = ?;"); boost::mysql::results result; conn.execute(stmt.bind("username", "password"), result); std::string page = "\n" + std::string("Vérification des informations de connexion\n") + std::string("\n") + std::string("

Informations de connexion vérifiées

\n") + std::string("

"); if (!result.rows().empty()) { page += "L'utilisateur a été vérifié avec succès."; } else { page += "Échec de la vérification de l'utilisateur."; } page += "

\n" + std::string("\n") + std::string("\n"); response_.body() = page; response_.prepare_payload(); } // Requête pour obtenir la nouvelle énergie else if (request_.target() == "/demander_nouvelle_energie") { response_.version(request_.version()); response_.result(http::status::ok); response_.set(http::field::server, "My HTTP Server"); response_.set(http::field::content_type, "text/html"); boost::mysql::statement stmt = conn.prepare_statement("SELECT energie_consommee, energie_restante, FK_id_mission FROM donnees_mission INNER JOIN mission WHERE donnees_mission.FK_id_mission = mission.id_mission AND etat_mission = 'en cours' ORDER BY donnees_mission.date_envoi_donnee DESC LIMIT 1;"); boost::mysql::results result; conn.execute(stmt.bind(), result); std::string energie; for (auto row : result) { //energie += "Énergie consommée: " + row[0].as_string() + ", Énergie restante: " + row[1].as_string() + ", ID Mission: " + row[2].as_string() + "
"; } std::string page = "\n" + std::string("Nouvelle énergie\n") + std::string("\n") + std::string("

Nouvelle énergie

\n") + std::string("

") + energie + std::string("

\n") + std::string("\n") + std::string("\n"); response_.body() = page; response_.prepare_payload(); } // Requête pour obtenir la nouvelle position else if (request_.target() == "/demande_nouvelle_position") { response_.version(request_.version()); response_.result(http::status::ok); response_.set(http::field::server, "My HTTP Server"); response_.set(http::field::content_type, "text/html"); boost::mysql::statement stmt = conn.prepare_statement("SELECT x_position, y_position, FK_id_mission FROM donnees_mission INNER JOIN mission WHERE donnees_mission.FK_id_mission = mission.id_mission AND etat_mission = 'en cours' ORDER BY donnees_mission.date_envoi_donnee DESC LIMIT 1;"); boost::mysql::results result; conn.execute(stmt.bind(), result); std::string position; for (auto row : result) { //position += "Position: (" + row[0].as_string() + ", " + row[1].as_string() + "), ID Mission: " + row[2].as_string() + "
"; } std::string page = "\n" + std::string("Nouvelle position\n") + std::string("\n") + std::string("

Nouvelle position

\n") + std::string("

") + position + std::string("

\n") + std::string("\n") + std::string("\n"); response_.body() = page; response_.prepare_payload(); } // Requête pour enregistrer des coordonnées de mission if (request_.target() == "/enregistrer_mission") { response_.version(request_.version()); response_.result(http::status::ok); response_.set(http::field::server, "My HTTP Server"); response_.set(http::field::content_type, "text/html"); // Requête SQL générique d'insertion boost::mysql::statement stmt = conn.prepare_statement("INSERT INTO table (x_depart, y_depart, x_arrive, y_arrive) VALUES (?, ?, ?, ?);"); boost::mysql::results result; // Remplacer les "?" par les valeurs réelles conn.execute(stmt.bind(1.0, 2.0, 3.0, 4.0), result); std::string page = "\n" + std::string("Enregistrer Mission\n") + std::string("\n") + std::string("

Mission enregistrée

\n") + std::string("

La mission a été enregistrée avec succès.

\n") + std::string("\n") + std::string("\n"); response_.body() = page; response_.prepare_payload(); } // Requête pour une insertion générique else if (request_.target() == "/enregistrer_donnees") { response_.version(request_.version()); response_.result(http::status::ok); response_.set(http::field::server, "My HTTP Server"); response_.set(http::field::content_type, "text/html"); // Requête SQL générique d'insertion boost::mysql::statement stmt = conn.prepare_statement("INSERT INTO table_name (column1, column2) VALUES (?, ?);"); boost::mysql::results result; // Remplacer les "?" par les valeurs réelles conn.execute(stmt.bind("value1", "value2"), result); std::string page = "\n" + std::string("Enregistrer Données\n") + std::string("\n") + std::string("

Données enregistrées

\n") + std::string("

Les données ont été enregistrées avec succès.

\n") + std::string("\n") + std::string("\n"); response_.body() = page; response_.prepare_payload(); } else { response_.result(http::status::not_found); response_.set(http::field::content_type, "text/plain"); //beast::ostream(response_.body()) << "File not found\r\n"; } } */ void create_response_post() { // Enregistrement des détails de la requête POST dans un fichier journal std::ofstream logfile("post_log.txt", std::ios::app); // Ouvrir le fichier en mode ajout // Vérifier si le fichier de journal est ouvert avec succès if (logfile.is_open()) { logfile << "Received POST request at " << my_program_state::now() << ":\n"; //logfile << "Request body:\n" << beast::buffers_to_string(request_.body().data()) << "\n\n"; logfile.close(); // Fermer le fichier createJson(); } else { // Afficher un message d'erreur si le fichier de journal n'a pas pu être ouvert std::cerr << "Failed to open log file!" << std::endl; } /* if (request_.target() == "/enregistrer_user") { response_.version(request_.version()); response_.result(http::status::ok); response_.set(http::field::server, "My HTTP Server"); response_.set(http::field::content_type, "text/html"); // Prepare a statement to insert into this table boost::mysql::statement stmt = conn.prepare_statement("INSERT INTO compte(user_name, mot_de_passe, autorisation, nom, prenom) VALUES(........);"); boost::mysql::results result; conn.execute(stmt.bind(), result); char mission_fini[45]; //my_program_state::now(); std::string page = "\n" + std::string("Utilisateur\n") + std::string("\n") + std::string("

Utilisateur

\n") + std::string("

Voici les utilisateur
------------------------

") + mission_fini + std::string("
------------------------\n") + std::string("\n") + std::string("\n"); response_.body() = page; response_.prepare_payload(); } */ // Réponse au client response_.set(http::field::content_type, "text/plain"); //beast::ostream(response_.body()) << "Received POST request.\r\n"; }; void write_response() { auto self = shared_from_this(); response_.content_length(response_.body().size()); http::async_write( socket_, response_, [self](beast::error_code ec, std::size_t) { self->socket_.shutdown(tcp::socket::shutdown_send, ec); self->deadline_.cancel(); }); } void check_deadline() { auto self = shared_from_this(); deadline_.async_wait( [self](beast::error_code ec) { if (!ec) { self->socket_.close(ec); } }); } }; void http_server(tcp::acceptor& acceptor, tcp::socket& socket) { acceptor.async_accept(socket, [&](beast::error_code ec) { if (!ec) std::make_shared(std::move(socket))->start(); http_server(acceptor, socket); }); } // -------------------------- // test récup donné void fetch_data_from_test_temp(boost::mysql::tcp_connection& conn) { try { // Open the log file for appending std::ofstream logfile("log_test.txt", std::ios::app); if (!logfile.is_open()) { std::cerr << "Failed to open log file!" << std::endl; return; } // Log the SQL query const char* sql = "SELECT * FROM `test-temp`"; logfile << "Executing SQL query: " << sql << std::endl; // Issue the SQL query to get column names boost::mysql::results columns; conn.execute("SHOW COLUMNS FROM `test-temp`", columns); // Write column names to the log file for (const auto& row : columns.rows()) { for (const auto& cell : row) { logfile << cell << "\t"; } logfile << std::endl; } // Issue the SQL query to get all rows boost::mysql::results result; conn.execute(sql, result); // Write rows to the log file for (const auto& row : result.rows()) { for (const auto& cell : row) { logfile << cell << "\t"; } logfile << std::endl; } // Close the log file logfile.close(); } catch (const boost::mysql::error_with_diagnostics& err) { std::cerr << "Error: " << err.what() << '\n' << "Server diagnostics: " << err.get_diagnostics().server_message() << std::endl; } catch (const std::exception& err) { std::cerr << "Error: " << err.what() << std::endl; } } // |------------------------| convertion post pour db |------------------------| int createJson() { // Créer un objet ptree pour stocker les données du fichier texte ptree pt; // Ouvrir le fichier texte en lecture ifstream file("post_log.txt"); if (!file.is_open()) { cout << "Erreur : Impossible d'ouvrir le fichier texte." << endl; return 1; } string line; while (getline(file, line)) { // Trouver la position du séparateur ':' size_t separatorPos = line.find(':'); if (separatorPos != string::npos) { // Extraire la clé et la valeur string key = line.substr(0, separatorPos); string value_str = line.substr(separatorPos + 1); // Supprimer les espaces en début et en fin de la valeur key.erase(0, key.find_first_not_of(" \t\n\r\f\v")); key.erase(key.find_last_not_of(" \t\n\r\f\v") + 1); value_str.erase(0, value_str.find_first_not_of(" \t\n\r\f\v")); value_str.erase(value_str.find_last_not_of(" \t\n\r\f\v") + 1); // Convertir la valeur en float float value; stringstream ss(value_str); ss >> value; // Stocker la paire clé-valeur dans l'objet ptree pt.put(key, value); } } // Fermer le fichier file.close(); // Générer un nom de fichier unique basé sur le timestamp actuel time_t now = time(0); tm *ltm = localtime(&now); stringstream filename_ss; filename_ss << "output_" << 1900 + ltm->tm_year << "-" << 1 + ltm->tm_mon << "-" << ltm->tm_mday << "_" << ltm->tm_hour << "-" << ltm->tm_min << "-" << ltm->tm_sec << ".json"; string filename = filename_ss.str(); // Créer un objet JSON avec le nom de fichier unique et écrire les données du ptree ofstream jsonFile(filename); if (!jsonFile.is_open()) { cout << "Erreur : Impossible de créer le fichier JSON." << endl; return 1; } write_json(jsonFile, pt); // Fermer le fichier JSON jsonFile.close(); cout << "Fichier JSON généré avec succès." << endl; return 0; } // -------------------------- void executeSQLQuery(boost::mysql::tcp_connection& conn, const std::string& query) { boost::mysql::results result; conn.execute(query.c_str(), result); std::cout << "données envoyer avec succès.\n"; } /* void envoie(boost::mysql::tcp_connection& conn) { try { // Read JSON data from a file std::ifstream file("output.json"); // Chemin du fichier JSON if (!file) { throw std::runtime_error("Could not open file."); } boost::json::value json_data = boost::json::parse(file); // Access the JSON data and perform operations boost::json::object obj = json_data.as_object(); std::string id = obj["id"].as_string().c_str(); std::string table_name = obj["table_name"].as_string().c_str(); std::string geoloc1 = obj["geoloc1"].as_string().c_str(); std::string geoloc2 = obj["geoloc2"].as_string().c_str(); // Execute the SQL query to insert JSON data into the table executeSQLQuery(conn, "UPDATE " + table_name + " SET geoloc1 = '" + geoloc1 + "', geoloc2 = '" + geoloc2 + "' WHERE id = " + id); } catch (const boost::mysql::error_with_diagnostics& err) { // Handle database connection errors std::cerr << "Error: " << err.what() << '\n' << "Server diagnostics: " << err.get_diagnostics().server_message() << std::endl; } catch (const std::exception& err) { // Handle other errors std::cerr << "Error: " << err.what() << std::endl; } } */ /* void main_impl(boost::asio::io_context& ctx, const std::string& address, unsigned short port) { // Represents a connection to the MySQL server. boost::mysql::tcp_connection conn(ctx.get_executor()); // Resolve the hostname to get a collection of endpoints boost::asio::ip::tcp::resolver resolver(ctx.get_executor()); auto endpoints = resolver.resolve("172.18.11.122", boost::mysql::default_port_string); // The username, password and database to use boost::mysql::handshake_params params( "admin", // username "root", // password "test" // database ); // Connect to the server using the first endpoint returned by the resolver conn.connect(*endpoints.begin(), params); // Issue the SQL query to the server const char* sql = "SELECT 'Connection DB [OK]'"; boost::mysql::results result; conn.execute(sql, result); // Print the first field in the first row std::cout << result.rows().at(0).at(0) << std::endl; // Call fetch_data_from_test_temp(conn); if needed // Send JSON data to the database //envoie(conn); // Close the connection //conn.close(); } */ int main(int argc, char* argv[]) { try { if (argc != 3) { std::cerr << "Usage: " << argv[0] << "

\n"; return EXIT_FAILURE; } if (getuid() == 0) { cerr << "administrator [OK]\n"; } else { cerr << "[FAILED] no administrator\n"; return EXIT_FAILURE; } std::string address = argv[1]; unsigned short port = static_cast(std::atoi(argv[2])); boost::asio::io_context ctx; //main_impl(ctx, address, port); // Start the server net::io_context ioc{ 1 }; boost::asio::ip::tcp::acceptor acceptor{ ctx, {boost::asio::ip::make_address(address), port} }; boost::asio::ip::tcp::socket socket{ ctx }; http_server(acceptor, socket); // http_server(acceptor, socket); // Note: This line is commented out because the http_server function is not defined here std::cout << "Serveur [OK]" << std::endl; ctx.run(); } catch (std::exception const& e) { std::cerr << "Error: " << e.what() << std::endl; return EXIT_FAILURE; } return EXIT_SUCCESS; } ```

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