lander/include/http/res.h

#ifndef LANDER_HTTP_RES
#define LANDER_HTTP_RES

#include <stdbool.h>
#include <stdio.h>

#include "http/types.h"

/**
 * Struct describing a header for the response.
 */
typedef struct http_response_header {
  http_header type;
  const char *value;
  bool owned;
} http_response_header;

/**
 * Struct representing an HTTP response.
 */
typedef struct http_response {
  http_status status;
  const char *head;
  size_t head_len;
  size_t head_written;
  http_body body;
  http_response_header headers[4];
  size_t header_count;
} http_response;

/**
 * Set the request body to the given buffer.
 *
 * @param res response to modify
 * @param body pointer to the buf containing the body
 * @param body_len length of the body
 * @owned whether the body should be freed after processing the request
 */
void http_res_set_body_buf(http_response *res, const char *body,
                           size_t body_len, bool owned);

/**
 * Set the request body to the given filename.
 *
 * @param res response to modify
 * @param filename path to the file to return
 */
void http_res_set_body_file(http_response *res, const char *filename);

/**
 * Add a header to the response.
 *
 * @param res response to modify
 * @param type type of the header
 * @param value value of the header
 * @param owned whether the value should be freed after processing the request
 */
void http_res_add_header(http_response *res, http_header type,
                         const char *value, bool owned);

/**
 * Add a Content-Type header corresponding to the mime type.
 *
 * @param res response to modiy
 * @param mime_type mime type of the response
 */
void http_res_set_mime_type(http_response *res, http_mime_type mime_type);

#endif