Disk ARchive  2.6.8
Full featured and portable backup and archiving tool
zapette_protocol.hpp
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1 /*********************************************************************/
2 // dar - disk archive - a backup/restoration program
3 // Copyright (C) 2002-2020 Denis Corbin
4 //
5 // This program is free software; you can redistribute it and/or
6 // modify it under the terms of the GNU General Public License
7 // as published by the Free Software Foundation; either version 2
8 // of the License, or (at your option) any later version.
9 //
10 // This program is distributed in the hope that it will be useful,
11 // but WITHOUT ANY WARRANTY; without even the implied warranty of
12 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 // GNU General Public License for more details.
14 //
15 // You should have received a copy of the GNU General Public License
16 // along with this program; if not, write to the Free Software
17 // Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
18 //
19 // to contact the author : http://dar.linux.free.fr/email.html
20 /*********************************************************************/
21 
25 
26 #include "../my_config.h"
27 
28 #ifndef ZAPETTE_PROTOCOL_HPP
29 #define ZAPETTE_PROTOCOL_HPP
30 
31 extern "C"
32 {
33 } // end extern "C"
34 
35 #include <string>
36 #include <new>
37 #include "integers.hpp"
38 #include "infinint.hpp"
39 #include "generic_file.hpp"
40 
41 namespace libdar
42 {
43 
46 
47  constexpr unsigned char ANSWER_TYPE_DATA = 'D';
48  constexpr unsigned char ANSWER_TYPE_INFININT = 'I';
49 
50  constexpr U_I REQUEST_SIZE_SPECIAL_ORDER = 0;
51  constexpr U_I REQUEST_OFFSET_END_TRANSMIT = 0;
52  constexpr U_I REQUEST_OFFSET_GET_FILESIZE = 1;
53  constexpr U_I REQUEST_OFFSET_CHANGE_CONTEXT_STATUS = 2;
54  constexpr U_I REQUEST_IS_OLD_START_END_ARCHIVE = 3;
55  constexpr U_I REQUEST_GET_DATA_NAME = 4;
56  constexpr U_I REQUEST_FIRST_SLICE_HEADER_SIZE = 5;
57  constexpr U_I REQUEST_OTHER_SLICE_HEADER_SIZE = 6;
58 
59  struct request
60  {
61  char serial_num;
62  U_16 size; // size or REQUEST_SIZE_SPECIAL_ORDER
63  infinint offset; // offset or REQUEST_OFFSET_END_TRANSMIT or REQUEST_OFFSET_GET_FILESIZE, REQUEST_OFFSET_* ...
64  std::string info; // new contextual_status
65 
66  void write(generic_file *f); // master side
67  void read(generic_file *f); // slave side
68  };
69 
70  struct answer
71  {
72  char serial_num;
73  char type;
74  U_16 size;
75  infinint arg;
76 
77  void write(generic_file *f, char *data); // slave side
78  void read(generic_file *f, char *data, U_16 max); // master side
79  };
80 
82 
83 } // end of namespace
84 
85 
86 #endif
integers.hpp
are defined here basic integer types that tend to be portable
infinint.hpp
switch module to limitint (32 ou 64 bits integers) or infinint
generic_file.hpp
class generic_file is defined here as well as class fichier
libdar
libdar namespace encapsulate all libdar symbols
Definition: archive.hpp:46