00001 00002 /*************************************************************************** 00003 * fuse_message_content.h - FUSE complex message content 00004 * 00005 * Created: Thu Nov 22 17:17:16 2007 00006 * Copyright 2005-2007 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. A runtime exception applies to 00014 * this software (see LICENSE.GPL_WRE file mentioned below for details). 00015 * 00016 * This program is distributed in the hope that it will be useful, 00017 * but WITHOUT ANY WARRANTY; without even the implied warranty of 00018 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 00019 * GNU Library General Public License for more details. 00020 * 00021 * Read the full text in the LICENSE.GPL_WRE file in the doc directory. 00022 */ 00023 00024 #ifndef __FIREVISION_FVUTILS_NET_FUSE_MESSAGE_CONTENT_H_ 00025 #define __FIREVISION_FVUTILS_NET_FUSE_MESSAGE_CONTENT_H_ 00026 00027 #include <sys/types.h> 00028 00029 namespace firevision { 00030 #if 0 /* just to make Emacs auto-indent happy */ 00031 } 00032 #endif 00033 00034 class FuseMessageContent 00035 { 00036 public: 00037 FuseMessageContent(); 00038 virtual ~FuseMessageContent(); 00039 00040 virtual void serialize() = 0; 00041 virtual void * payload() const; 00042 virtual size_t payload_size() const; 00043 00044 void free_payload(); 00045 00046 protected: 00047 void copy_payload(size_t offset, void *buf, size_t len); 00048 00049 protected: 00050 /** Pointer to payload. */ 00051 void * _payload; 00052 /** Payloda size. */ 00053 size_t _payload_size; 00054 00055 }; 00056 00057 } // end namespace firevision 00058 00059 #endif