HttpServer.h

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#ifndef HTTP_SERVER_H
#define HTTP_SERVER_H
#pragma once
 
#include <string>
#include <unordered_map>
#include "Router.h"
#include "FreeRTOS.h"
#include "task.h"
 
#define HTTP_STACK_SIZE 10 * 1024 / sizeof(StackType_t) // Stack size for FreeRTOS task
 
class HttpServer
{
public:
    HttpServer(int port, Router &router);
 
    void enableTLS(const std::string& certPem, const std::string& keyPem);
 
    bool isTLSEnabled() const;
 
    bool start();
 
    bool initNetwork();
 
    void run();
 
    static void startServerTask(void *pvParameters);
 
    Tcp* initListener();
 
    void handleClient(Tcp *conn);
 
    void startHandlingClient(Tcp* conn);
 
    HttpRequest receiveRequest(Tcp* conn, char* method, char* path, std::string& body,
        size_t& contentLength, std::unordered_map<std::string, std::string>& headers);
 
    Router &getRouter() { return router; }
 
    static void handleClientTask(void *pvParameters);
 
    //void acceptClientConnections(); // Handled in run()
 
private:
    int port;       
    Router &router; 
 
    Tcp listener; // Listening insance of Tcp class
 
    // TLS configuration
    bool tlsEnabled = false;
    std::string serverCert;
    std::string serverKey;
    static constexpr int BUFFER_SIZE = 1460;
    static constexpr int BOUNDARY_MAX_LEN = 128;
 
    static StackType_t xStack[HTTP_STACK_SIZE]; 
    static StaticTask_t xTaskBuffer;            
};
 
#endif // HTTP_SERVER_H