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
|
#include "tdb2-source.h"
#include "tap-interface.h"
#include "logging.h"
static bool empty_freetable(struct tdb_context *tdb)
{
struct tdb_freetable ftab;
unsigned int i;
/* Now, free table should be completely exhausted in zone 0 */
if (tdb_read_convert(tdb, tdb->tdb2.ftable_off, &ftab, sizeof(ftab)) != 0)
abort();
for (i = 0; i < sizeof(ftab.buckets)/sizeof(ftab.buckets[0]); i++) {
if (ftab.buckets[i])
return false;
}
return true;
}
int main(int argc, char *argv[])
{
unsigned int i, j;
struct tdb_context *tdb;
int flags[] = { TDB_INTERNAL, TDB_DEFAULT, TDB_NOMMAP,
TDB_INTERNAL|TDB_CONVERT, TDB_CONVERT,
TDB_NOMMAP|TDB_CONVERT };
plan_tests(sizeof(flags) / sizeof(flags[0]) * 9 + 1);
for (i = 0; i < sizeof(flags) / sizeof(flags[0]); i++) {
TDB_DATA k;
uint64_t size;
bool was_empty = false;
k.dptr = (void *)&j;
k.dsize = sizeof(j);
tdb = tdb_open("run-30-exhaust-before-expand.tdb", flags[i],
O_RDWR|O_CREAT|O_TRUNC, 0600, &tap_log_attr);
ok1(tdb);
if (!tdb)
continue;
ok1(empty_freetable(tdb));
/* Need some hash lock for expand. */
ok1(tdb_lock_hashes(tdb, 0, 1, F_WRLCK, TDB_LOCK_WAIT) == 0);
/* Create some free space. */
ok1(tdb_expand(tdb, 1) == 0);
ok1(tdb_unlock_hashes(tdb, 0, 1, F_WRLCK) == 0);
ok1(tdb_check(tdb, NULL, NULL) == 0);
ok1(!empty_freetable(tdb));
size = tdb->file->map_size;
/* Insert minimal-length records until we expand. */
for (j = 0; tdb->file->map_size == size; j++) {
was_empty = empty_freetable(tdb);
if (tdb_store(tdb, k, k, TDB_INSERT) != 0)
err(1, "Failed to store record %i", j);
}
/* Would have been empty before expansion, but no longer. */
ok1(was_empty);
ok1(!empty_freetable(tdb));
tdb_close(tdb);
}
ok1(tap_log_messages == 0);
return exit_status();
}
|
