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#include "ntdb-source.h"
#include "tap-interface.h"
#include "logging.h"
static bool empty_freetable(struct ntdb_context *ntdb)
{
struct ntdb_freetable ftab;
unsigned int i;
/* Now, free table should be completely exhausted in zone 0 */
if (ntdb_read_convert(ntdb, ntdb->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 ntdb_context *ntdb;
int flags[] = { NTDB_INTERNAL, NTDB_DEFAULT, NTDB_NOMMAP,
NTDB_INTERNAL|NTDB_CONVERT, NTDB_CONVERT,
NTDB_NOMMAP|NTDB_CONVERT };
plan_tests(sizeof(flags) / sizeof(flags[0]) * 7 + 1);
for (i = 0; i < sizeof(flags) / sizeof(flags[0]); i++) {
NTDB_DATA k, d;
uint64_t size;
bool was_empty = false;
k.dptr = (void *)&j;
k.dsize = sizeof(j);
ntdb = ntdb_open("run-30-exhaust-before-expand.ntdb",
flags[i]|MAYBE_NOSYNC,
O_RDWR|O_CREAT|O_TRUNC, 0600, &tap_log_attr);
ok1(ntdb);
if (!ntdb)
continue;
ok1(ntdb_check(ntdb, NULL, NULL) == 0);
/* There's one empty record in initial db. */
ok1(!empty_freetable(ntdb));
size = ntdb->file->map_size;
/* Create one record to chew up most space. */
d.dsize = size - NEW_DATABASE_HDR_SIZE(ntdb->hash_bits) - 32;
d.dptr = calloc(d.dsize, 1);
j = 0;
ok1(ntdb_store(ntdb, k, d, NTDB_INSERT) == 0);
ok1(ntdb->file->map_size == size);
free(d.dptr);
/* Now insert minimal-length records until we expand. */
for (j = 1; ntdb->file->map_size == size; j++) {
was_empty = empty_freetable(ntdb);
if (ntdb_store(ntdb, k, k, NTDB_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(ntdb));
ntdb_close(ntdb);
}
ok1(tap_log_messages == 0);
return exit_status();
}
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