Panda3D

datagramGenerator.h

00001 // Filename: datagramGenerator.h
00002 // Created by:  jason (07Jun00)
00003 //
00004 ////////////////////////////////////////////////////////////////////
00005 //
00006 // PANDA 3D SOFTWARE
00007 // Copyright (c) Carnegie Mellon University.  All rights reserved.
00008 //
00009 // All use of this software is subject to the terms of the revised BSD
00010 // license.  You should have received a copy of this license along
00011 // with this source code in a file named "LICENSE."
00012 //
00013 ////////////////////////////////////////////////////////////////////
00014 
00015 #ifndef DATAGRAMGENERATOR_H
00016 #define DATAGRAMGENERATOR_H
00017 
00018 #include "pandabase.h"
00019 
00020 #include "datagram.h"
00021 
00022 class SubfileInfo;
00023 class FileReference;
00024 class Filename;
00025 class VirtualFile;
00026 
00027 ////////////////////////////////////////////////////////////////////
00028 //       Class : DatagramGenerator
00029 // Description : This class defines the abstract interace to any
00030 //               source of datagrams, whether it be from a file or
00031 //               from the net.
00032 ////////////////////////////////////////////////////////////////////
00033 class EXPCL_PANDAEXPRESS DatagramGenerator {
00034 PUBLISHED:
00035   INLINE DatagramGenerator();
00036   virtual ~DatagramGenerator();
00037 
00038   virtual bool get_datagram(Datagram &data) = 0;
00039   virtual bool save_datagram(SubfileInfo &info);
00040   virtual bool is_eof() = 0;
00041   virtual bool is_error() = 0;
00042 
00043   virtual const Filename &get_filename();
00044   virtual const FileReference *get_file();
00045   virtual VirtualFile *get_vfile();
00046   virtual streampos get_file_pos();
00047 };
00048 
00049 #include "datagramGenerator.I"
00050 
00051 #endif
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