request_dispatcher.h

00001 
00002 /***************************************************************************
00003  *  request_dispatcher.h - Web request dispatcher
00004  *
00005  *  Created: Mon Oct 13 22:44:33 2008
00006  *  Copyright  2006-2008  Tim Niemueller [www.niemueller.de]
00007  *
00008  ****************************************************************************/
00009 
00010 /*  This program is free software; you can redistribute it and/or modify
00011  *  it under the terms of the GNU General Public License as published by
00012  *  the Free Software Foundation; either version 2 of the License, or
00013  *  (at your option) any later version.
00014  *
00015  *  This program is distributed in the hope that it will be useful,
00016  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
00017  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
00018  *  GNU Library General Public License for more details.
00019  *
00020  *  Read the full text in the LICENSE.GPL file in the doc directory.
00021  */
00022 
00023 #ifndef __PLUGINS_WEBVIEW_REQUEST_DISPATCHER_H_
00024 #define __PLUGINS_WEBVIEW_REQUEST_DISPATCHER_H_
00025 
00026 #include <string>
00027 #include <map>
00028 #include <stdint.h>
00029 
00030 struct MHD_Connection;
00031 
00032 namespace fawkes {
00033 #if 0 /* just to make Emacs auto-indent happy */
00034 }
00035 #endif
00036 
00037 class WebRequestProcessor;
00038 class WebPageHeaderGenerator;
00039 class WebPageFooterGenerator;
00040 class StaticWebReply;
00041 
00042 class WebRequestDispatcher
00043 {
00044  public:
00045   WebRequestDispatcher(WebPageHeaderGenerator *headergen = 0,
00046                        WebPageFooterGenerator *footergen = 0);
00047 
00048   void add_processor(const char *url_prefix, WebRequestProcessor *processor);
00049   void remove_processor(const char *url_prefix);
00050 
00051 
00052   static int process_request_cb(void *callback_data,
00053                                 struct MHD_Connection * connection,
00054                                 const char *url,
00055                                 const char *method,
00056                                 const char *version,
00057                                 const char *upload_data,
00058                                 size_t *upload_data_size,
00059                                 void  **session_data);
00060 
00061   int queue_static_reply(struct MHD_Connection * connection,
00062                          StaticWebReply *sreply);
00063   int process_request(struct MHD_Connection * connection,
00064                       const char *url,
00065                       const char *method,
00066                       const char *version,
00067                       const char *upload_data,
00068                       size_t *upload_data_size,
00069                       void **session_data);
00070 
00071  private:
00072   std::map<std::string, WebRequestProcessor *>  __processors;
00073   WebRequestProcessor                          *__startpage_processor;
00074 
00075   std::string                                   __active_baseurl;
00076   WebPageHeaderGenerator                       *__page_header_generator;
00077   WebPageFooterGenerator                       *__page_footer_generator;
00078 };
00079 
00080 } // end namespace fawkes
00081 
00082 #endif

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