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
|
/* snac - A simple, minimalistic ActivityPub instance */
/* copyright (c) 2022 grunfink - MIT license */
#include "xs.h"
#include "xs_io.h"
#include "xs_json.h"
#include "xs_glob.h"
#include "snac.h"
#include <sys/stat.h>
int db_upgrade(d_char **error)
{
int ret = 1;
int changed = 0;
double f = 0.0;
for (;;) {
char *layout = xs_dict_get(srv_config, "layout");
double nf;
f = nf = xs_number_get(layout);
if (!(f < db_layout))
break;
srv_log(xs_fmt("db_upgrade %1.1lf < %1.1lf", f, db_layout));
if (f < 2.0) {
*error = xs_fmt("ERROR: unsupported old disk layout %1.1lf\n", f);
ret = 0;
break;
}
else
if (f < 2.1) {
xs *dir = xs_fmt("%s/object", srv_basedir);
mkdir(dir, 0755);
nf = 2.1;
}
if (f < nf) {
f = nf;
xs *nv = xs_number_new(f);
srv_config = xs_dict_set(srv_config, "layout", nv);
srv_log(xs_fmt("db_upgrade converted to version %1.1lf", f));
changed++;
}
else
break;
}
if (f > db_layout) {
*error = xs_fmt("ERROR: unknown future version %lf\n", f);
ret = 0;
}
if (changed) {
/* upgrade the configuration file */
xs *fn = xs_fmt("%s/server.json", srv_basedir);
FILE *f;
if ((f = fopen(fn, "w")) != NULL) {
xs *j = xs_json_dumps_pp(srv_config, 4);
fwrite(j, strlen(j), 1, f);
fclose(f);
srv_log(xs_fmt("upgraded db %s after %d changes", fn, changed));
}
else
ret = 0;
}
return ret;
}
|
