Changed repo organisation

src/http/http.h

@@ -0,0 +1,118 @@
+#ifndef HTTP_H
+#define HTTP_H
+
+// === Definitions
+
+// #define _POSIX_C_SOURCE 200809L
+
+// Error codes
+#define ERR_HTTP_INVALID_INPUT -1
+#define ERR_HTTP_NOT_IMPLEMENTED -2
+#define ERR_HTTP_OUT_OF_MEMORY -4
+#define ERR_HTTP_INTERNAL_ERROR -5
+
+// === Includes
+
+#include "../config/config.h"
+#include "../utils/string/string.h"
+
+// === Enums
+
+enum http_method
+{
+    INVALID_METHOD,
+    GET,
+    // POST,
+    // PUT,
+    // DELETE,
+    // PATCH,
+    HEAD,
+    // OPTIONS,
+    // CONNECT,
+    // TRACE
+};
+
+// === Structures
+
+struct http_header
+{
+    struct string *field;
+    struct string *value;
+    struct http_header *next;
+};
+
+struct http_request
+{
+    enum http_method method;
+    struct string *target;
+    struct string *queries;
+    struct string *protocol;
+    struct http_header *headers; // Headers linked list
+    int status_code; // Set by program
+};
+
+struct http_response
+{
+    struct string *protocol;
+    int status_code;
+    struct string *status_msg;
+    struct http_header *headers; // Headers linked list
+};
+
+// === Functions
+
+/* @brief Initializes the HTTP module with the given configuration
+ *
+ * @warn Do no use any other function of this module before calling that one
+ *
+ * @param cfg
+ */
+void http_init(struct config *cfg);
+
+/* @brief Reads, parses the request and responds adequately all-in-one
+ *
+ * @param client_fd
+ */
+void handle_request(int client_fd, char *client_ip);
+
+/* @brief Parses the HTTP request and splits it into a request structure
+ *
+ * @param req
+ *
+ * @return A pointer to the structure containing the request infos on success,
+ *         NULL otherwise
+ */
+struct http_request *parse_request(struct string *req);
+
+/* @brief Generates a response to the given request
+ *
+ * @param req
+ *
+ * @return A pointer to the generated response struct on success,
+ *         NULL otherwise
+ */
+struct http_response *generate_response(struct http_request *req);
+
+/* @brief Formats the given response structure into a valid HTTP response
+ *        string
+ *
+ * @param resp
+ *
+ * @return A pointer to the string containing the response on success,
+ *         NULL otherwise
+ */
+struct string *format_response(struct http_response *resp);
+
+/* @brief Free all allocated memory inside req and req itself
+ *
+ * @param req
+ */
+void destroy_request(struct http_request *req);
+
+/* @brief Free all allocated memory inside resp and resp itself
+ *
+ * @param resp
+ */
+void destroy_response(struct http_response *resp);
+
+#endif // ! HTTP_H