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database start + cmake policy update

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This commit is contained in:
Thomas Schleicher 2024-12-16 10:34:38 +01:00
parent d0f7e54f7e
commit 2923f6f5c5
4 changed files with 69 additions and 7 deletions
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3
CMakeLists.txt
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@ -1,4 +1,5 @@
cmake_minimum_required(VERSION 3.16) cmake_minimum_required(VERSION 3.16)
cmake_policy(SET CMP0167 OLD)
project(short-link VERSION 1.0 LANGUAGES CXX) project(short-link VERSION 1.0 LANGUAGES CXX)
@ -14,7 +15,7 @@ add_executable(Application src/main.cpp
src/request_handler.cpp src/request_handler.cpp
) )
find_package(Boost REQUIRED COMPONENTS filesystem system) find_package(Boost REQUIRED filesystem system)
if(Boost_FOUND) if(Boost_FOUND)
include_directories(${Boost_INCLUDE_DIRS}) include_directories(${Boost_INCLUDE_DIRS})

28
includes/database_service.hpp Normal file
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@ -0,0 +1,28 @@
#ifndef DATABASE_SERVICE_HPP
#define DATABASE_SERVICE_HPP
#include <boost/asio/io_context.hpp>
#include <cstddef>
#include <boost/redis/connection.hpp>
#include <memory>
class DatabaseService {
public:
static DatabaseService& getInstance(boost::asio::io_context& io_context, std::size_t pool_size);
private:
std::shared_ptr<boost::redis::connection> getConnection(); //retrive a connection from the connection pool
DatabaseService(boost::asio::io_context& io_context, std::size_t pool_size = 4);
~DatabaseService();
DatabaseService(DatabaseService const&);
void operator=(DatabaseService const&);
boost::asio::io_context& io_context_;
std::size_t pool_size_;
std::vector<std::shared_ptr<boost::redis::connection>> connection_pool_;
std::size_t current_index_ = 0; //index used for round robin selection
};
#endif

16
src/database_connection.cpp Normal file
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@ -0,0 +1,16 @@
#include "../includes/database_service.hpp"
#include <cstddef>
DatabaseService& DatabaseService::getInstance(boost::asio::io_context &io_context, std::size_t pool_size) {
static DatabaseService INSTANCE;
return INSTANCE;
}
DatabaseService::DatabaseService(boost::asio::io_context& io_context, std::size_t pool_size) : io_context_(io_context), pool_size_(pool_size) {
}
DatabaseService::~DatabaseService() {
}

29
src/request_handler.cpp
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@ -1,14 +1,31 @@
#include "../includes/request_handler.hpp" #include "../includes/request_handler.hpp"
#include <boost/beast/http/field.hpp> #include <boost/beast/http/field.hpp>
#include <boost/beast/http/file_body.hpp>
#include <boost/beast/http/message.hpp> #include <boost/beast/http/message.hpp>
#include <boost/beast/http/status.hpp> #include <boost/beast/http/status.hpp>
#include <boost/beast/http/string_body.hpp> #include <boost/beast/http/string_body.hpp>
http::response<http::string_body> RequestHandler::handle(const http::request<http::string_body>& request) { http::response<http::string_body> RequestHandler::handle(const http::request<http::string_body>& request) {
http::response<http::string_body> response{http::status::ok, request.version()}; string_view target = request.target();
response.set(http::field::server, "Beast");
response.set(http::field::content_type, "text/plain"); if (target == "/") {
response.body() = "Hello, World!"; //case 1: "/" -> serve angular frontend or static frontend what ever
response.prepare_payload(); http::response<http::string_body> response;
return response; response.result(http::status::ok);
response.version(request.version());
response.set(http::field::server, "Beast");
response.set(http::field::content_type, "text/html");
response.keep_alive();
//todo: load angular application / plain html & js
response.body() = "<html><h1>TEST</h1></html>";
response.prepare_payload();
return response;
}
//case 2: "/url" -> redirect to expanded url
//case 3: neither -> redirect to 404
return http::response<http::string_body>{http::status::bad_request, request.version()};
} }