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#include "tdb2-source.h"
#include <ccan/tap/tap.h>
#include "logging.h"
static uint64_t badhash(const void *key, size_t len, uint64_t seed, void *priv)
{
return 0;
}
static int trav(struct tdb_context *tdb, TDB_DATA key, TDB_DATA dbuf, void *p)
{
if (p)
return tdb_delete(tdb, key);
return 0;
}
int main(int argc, char *argv[])
{
unsigned int i, j;
struct tdb_context *tdb;
struct tdb_data key = { (unsigned char *)&j, sizeof(j) };
struct tdb_data dbuf = { (unsigned char *)&j, sizeof(j) };
union tdb_attribute hattr = { .hash = { .base = { TDB_ATTRIBUTE_HASH },
.fn = badhash } };
int flags[] = { TDB_INTERNAL, TDB_DEFAULT, TDB_NOMMAP,
TDB_INTERNAL|TDB_CONVERT, TDB_CONVERT,
TDB_NOMMAP|TDB_CONVERT,
};
hattr.base.next = &tap_log_attr;
plan_tests(6883);
for (i = 0; i < sizeof(flags) / sizeof(flags[0]); i++) {
struct tdb_data d = { NULL, 0 }; /* Bogus GCC warning */
tdb = tdb_open("run-25-hashoverload.tdb", flags[i],
O_RDWR|O_CREAT|O_TRUNC, 0600, &hattr);
ok1(tdb);
if (!tdb)
continue;
/* Fill a group. */
for (j = 0; j < (1 << TDB_HASH_GROUP_BITS); j++) {
ok1(tdb_store(tdb, key, dbuf, TDB_INSERT) == 0);
}
ok1(tdb_check(tdb, NULL, NULL) == 0);
/* Now store one last value: should form chain. */
ok1(tdb_store(tdb, key, dbuf, TDB_INSERT) == 0);
ok1(tdb_check(tdb, NULL, NULL) == 0);
/* Check we can find them all. */
for (j = 0; j < (1 << TDB_HASH_GROUP_BITS) + 1; j++) {
ok1(tdb_fetch(tdb, key, &d) == TDB_SUCCESS);
ok1(d.dsize == sizeof(j));
ok1(d.dptr != NULL);
ok1(d.dptr && memcmp(d.dptr, &j, d.dsize) == 0);
free(d.dptr);
}
/* Now add a *lot* more. */
for (j = (1 << TDB_HASH_GROUP_BITS) + 1;
j < (16 << TDB_HASH_GROUP_BITS);
j++) {
ok1(tdb_store(tdb, key, dbuf, TDB_INSERT) == 0);
ok1(tdb_fetch(tdb, key, &d) == TDB_SUCCESS);
ok1(d.dsize == sizeof(j));
ok1(d.dptr != NULL);
ok1(d.dptr && memcmp(d.dptr, &j, d.dsize) == 0);
free(d.dptr);
}
ok1(tdb_check(tdb, NULL, NULL) == 0);
/* Traverse through them. */
ok1(tdb_traverse(tdb, trav, NULL) == j);
/* Empty the first chain-worth. */
for (j = 0; j < (1 << TDB_HASH_GROUP_BITS); j++)
ok1(tdb_delete(tdb, key) == 0);
ok1(tdb_check(tdb, NULL, NULL) == 0);
for (j = (1 << TDB_HASH_GROUP_BITS);
j < (16 << TDB_HASH_GROUP_BITS);
j++) {
ok1(tdb_fetch(tdb, key, &d) == TDB_SUCCESS);
ok1(d.dsize == sizeof(j));
ok1(d.dptr != NULL);
ok1(d.dptr && memcmp(d.dptr, &j, d.dsize) == 0);
free(d.dptr);
}
/* Traverse through them. */
ok1(tdb_traverse(tdb, trav, NULL)
== (15 << TDB_HASH_GROUP_BITS));
/* Re-add */
for (j = 0; j < (1 << TDB_HASH_GROUP_BITS); j++) {
ok1(tdb_store(tdb, key, dbuf, TDB_INSERT) == 0);
}
ok1(tdb_check(tdb, NULL, NULL) == 0);
/* Now try deleting as we go. */
ok1(tdb_traverse(tdb, trav, trav)
== (16 << TDB_HASH_GROUP_BITS));
ok1(tdb_check(tdb, NULL, NULL) == 0);
ok1(tdb_traverse(tdb, trav, NULL) == 0);
tdb_close(tdb);
}
ok1(tap_log_messages == 0);
return exit_status();
}
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