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 class FuseMessageContent
00030 {
00031  public:
00032   FuseMessageContent();
00033   virtual ~FuseMessageContent();
00034
00035   virtual void   serialize() = 0;
00036   virtual void * payload() const;
00037   virtual size_t payload_size() const;
00038
00039   void free_payload();
00040
00041  protected:
00042   void copy_payload(size_t offset, void *buf, size_t len);
00043
00044  protected:
00045   /** Pointer to payload. */
00046   void *  _payload;
00047   /** Payloda size. */
00048   size_t  _payload_size;
00049
00050 };
00051
00052 #endif