1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
|
/* -*- Mode: Vala; indent-tabs-mode: nil; tab-width: 2 -*- */
/*
This file is part of Déjà Dup.
For copyright information, see AUTHORS.
Déjà Dup is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
Déjà Dup is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with Déjà Dup. If not, see <http://www.gnu.org/licenses/>.
*/
using GLib;
namespace DejaDup {
public abstract class Backend : Object
{
public signal void envp_ready(bool success, List<string>? envp, string? error = null);
public signal void pause_op(string? header, string? msg);
public MountOperation mount_op {get; set;}
public abstract bool is_native(); // must be callable when nothing is mounted, nothing is prepared
public virtual Icon? get_icon() {return null;}
public abstract string get_location(ref bool as_root);
public abstract string get_location_pretty(); // short description for user
public virtual async bool is_ready(out string when) {when = null; return true;} // must be callable when nothing is mounted, nothing is prepared
public virtual async void get_envp() throws Error {
envp_ready(true, new List<string>());
}
public static uint64 INFINITE_SPACE = uint64.MAX;
public virtual async uint64 get_space(bool free = true) {return INFINITE_SPACE;}
public virtual bool space_can_be_infinite() {return true;}
// Arguments needed only when the particular mode is active
// If mode == INVALID, arguments needed any time the backup is referenced.
public virtual void add_argv(ToolJob.Mode mode, ref List<string> argv) {}
public abstract Backend clone();
public static string get_default_type()
{
var settings = get_settings();
var backend = settings.get_string(BACKEND_KEY);
if (backend != "auto" &&
backend != "s3" &&
backend != "rackspace" &&
backend != "u1" &&
backend != "file")
backend = "auto"; // default to auto if string is not known
return backend;
}
public static Backend? get_default()
{
var backend_name = get_default_type();
if (backend_name == "s3")
return new BackendS3();
else if (backend_name == "u1")
return new BackendU1();
else if (backend_name == "rackspace")
return new BackendRackspace();
else if (backend_name == "file")
return new BackendFile();
else
return new BackendAuto();
}
}
} // end namespace
|