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In purge_server(), don't purge objects with 2 (or more) hard links.

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This way, an object can be protected from the purge by creating
a hard link to it.
This commit is contained in:
default 2022-11-25 13:51:56 +01:00
parent 2d7c327cbf
commit ee75b3f5f6
1 changed files with 8 additions and 7 deletions
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15
data.c
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@ -1492,11 +1492,13 @@ d_char *dequeue(snac *snac, char *fn)
}
static void _purge_file(const char *fn, int days)
static void _purge_file(const char *fn, int days, int n_link)
/* purge fn if it's older than days and has less than n_link hard links */
{
time_t mt = time(NULL) - days * 24 * 3600;
int nl;
if (mtime(fn) < mt) {
if (mtime_nl(fn, &nl) < mt && nl < n_link) {
/* older than the minimum time: delete it */
unlink(fn);
srv_debug(1, xs_fmt("purged %s", fn));
@ -1514,7 +1516,7 @@ static void _purge_subdir(snac *snac, const char *subdir, int days)
p = list;
while (xs_list_iter(&p, &v))
_purge_file(v, days);
_purge_file(v, days, XS_ALL);
}
}
@ -1523,7 +1525,6 @@ void purge_server(void)
/* purge global server data */
{
int tpd = xs_number_get(xs_dict_get(srv_config, "timeline_purge_days"));
// int lpd = xs_number_get(xs_dict_get(srv_config, "local_purge_days"));
xs *spec = xs_fmt("%s/object/??", srv_basedir);
xs *dirs = xs_glob(spec, 0, 0);
char *p, *v;
@ -1536,7 +1537,7 @@ void purge_server(void)
p2 = files;
while (xs_list_iter(&p2, &v2)) {
_purge_file(v2, tpd);
_purge_file(v2, tpd, 2);
}
}
}
@ -1559,8 +1560,6 @@ void purge_user(snac *snac)
void purge_all(void)
/* purge all users */
{
purge_server();
snac snac;
xs *list = user_list();
char *p, *uid;
@ -1572,4 +1571,6 @@ void purge_all(void)
user_free(&snac);
}
}
purge_server();
}