text: /*************************************************************************/
  /*  http_request.h                                                       */
  /*************************************************************************/
  /*                       This file is part of:                           */
  /*                           GODOT ENGINE                                */
  /*                      https://godotengine.org                          */
  /*************************************************************************/
  /* Copyright (c) 2007-2019 Juan Linietsky, Ariel Manzur.                 */
  /* Copyright (c) 2014-2019 Godot Engine contributors (cf. AUTHORS.md).   */
  /*                                                                       */
  /* Permission is hereby granted, free of charge, to any person obtaining */
  /* a copy of this software and associated documentation files (the       */
  /* "Software"), to deal in the Software without restriction, including   */
  /* without limitation the rights to use, copy, modify, merge, publish,   */
  /* distribute, sublicense, and/or sell copies of the Software, and to    */
  /* permit persons to whom the Software is furnished to do so, subject to */
  /* the following conditions:                                             */
  /*                                                                       */
  /* The above copyright notice and this permission notice shall be        */
  /* included in all copies or substantial portions of the Software.       */
  /*                                                                       */
  /* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,       */
  /* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF    */
  /* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
  /* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY  */
  /* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,  */
  /* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE     */
  /* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.                */
  /*************************************************************************/
  
  #pragma once
  
  #include "core/io/http_client.h"
  #include "scene/main/node.h"
  
  class Timer;
  class GODOT_EXPORT HTTPRequest : public Node {
  
      GDCLASS(HTTPRequest,Node)
  public:
      enum Result {
          RESULT_SUCCESS,
          RESULT_CHUNKED_BODY_SIZE_MISMATCH,
          RESULT_CANT_CONNECT,
          RESULT_CANT_RESOLVE,
          RESULT_CONNECTION_ERROR,
          RESULT_SSL_HANDSHAKE_ERROR,
          RESULT_NO_RESPONSE,
          RESULT_BODY_SIZE_LIMIT_EXCEEDED,
          RESULT_REQUEST_FAILED,
          RESULT_DOWNLOAD_FILE_CANT_OPEN,
          RESULT_DOWNLOAD_FILE_WRITE_ERROR,
          RESULT_REDIRECT_LIMIT_REACHED,
          RESULT_TIMEOUT
  
      };
  
  private:
  
      void _redirect_request(StringView p_new_url);
  public: // slots
      void _request_done(int p_status, int p_code, const PoolStringArray &headers, const PoolByteArray &p_data);
  
  protected:
      void _notification(int p_what);
      static void _bind_methods();
  
  public:
      //! connects to a full url and perform request
      Error request(StringView p_url, const Vector<String> &p_custom_headers = {}, bool p_ssl_validate_domain = true, HTTPClient::Method p_method = HTTPClient::METHOD_GET, StringView p_request_data = {});
      void cancel_request();
      HTTPClient::Status get_http_client_status() const;
  
      void set_use_threads(bool p_use);
      bool is_using_threads() const;
  
      void set_download_file(StringView p_file);
      const String &get_download_file() const;
  
      void set_download_chunk_size(int p_chunk_size);
      int get_download_chunk_size() const;
  
      void set_body_size_limit(int p_bytes);
      int get_body_size_limit() const;
  
      void set_max_redirects(int p_max);
      int get_max_redirects() const;
  
      Timer *timer;
      void *m_impl = nullptr; // made public to allow implementation methods to access it.
  
      void set_timeout(int p_timeout);
      int get_timeout();
  
      void _timeout();
  
      int get_downloaded_bytes() const;
      int get_body_size() const;
  
      HTTPRequest();
      ~HTTPRequest() override;
  };
  