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#include "ntdb-source.h"
#include "tap-interface.h"
#include "logging.h"
/* We rig the hash so all records clash. */
static uint32_t clash(const void *key, size_t len, uint32_t seed, void *priv)
{
return *((const unsigned int *)key) << 20;
}
int main(int argc, char *argv[])
{
unsigned int i;
struct ntdb_context *ntdb;
unsigned int v;
struct ntdb_used_record rec;
NTDB_DATA key = { (unsigned char *)&v, sizeof(v) };
NTDB_DATA dbuf = { (unsigned char *)&v, sizeof(v) };
union ntdb_attribute hattr = { .hash = { .base = { NTDB_ATTRIBUTE_HASH },
.fn = clash } };
int flags[] = { NTDB_INTERNAL, NTDB_DEFAULT, NTDB_NOMMAP,
NTDB_INTERNAL|NTDB_CONVERT, NTDB_CONVERT,
NTDB_NOMMAP|NTDB_CONVERT,
};
hattr.base.next = &tap_log_attr;
plan_tests(sizeof(flags) / sizeof(flags[0]) * 137 + 1);
for (i = 0; i < sizeof(flags) / sizeof(flags[0]); i++) {
struct hash_info h;
ntdb_off_t new_off, new_off2, off;
ntdb = ntdb_open("run-04-basichash.ntdb", flags[i]|MAYBE_NOSYNC,
O_RDWR|O_CREAT|O_TRUNC, 0600, &hattr);
ok1(ntdb);
if (!ntdb)
continue;
v = 0;
/* Should not find it. */
ok1(find_and_lock(ntdb, key, F_WRLCK, &h, &rec, NULL) == 0);
/* Should have created correct hash. */
ok1(h.h == ntdb_hash(ntdb, key.dptr, key.dsize));
/* Should have located space in top table, bucket 0. */
ok1(h.table == NTDB_HASH_OFFSET);
ok1(h.table_size == (1 << ntdb->hash_bits));
ok1(h.bucket == 0);
ok1(h.old_val == 0);
/* Should have lock on bucket 0 */
ok1(h.h == 0);
ok1((ntdb->flags & NTDB_NOLOCK) || ntdb->file->num_lockrecs == 1);
ok1((ntdb->flags & NTDB_NOLOCK)
|| ntdb->file->lockrecs[0].off == NTDB_HASH_LOCK_START);
/* FIXME: Check lock length */
/* Allocate a new record. */
new_off = alloc(ntdb, key.dsize, dbuf.dsize,
NTDB_USED_MAGIC, false);
ok1(!NTDB_OFF_IS_ERR(new_off));
/* We should be able to add it now. */
ok1(add_to_hash(ntdb, &h, new_off) == 0);
/* Make sure we fill it in for later finding. */
off = new_off + sizeof(struct ntdb_used_record);
ok1(!ntdb->io->twrite(ntdb, off, key.dptr, key.dsize));
off += key.dsize;
ok1(!ntdb->io->twrite(ntdb, off, dbuf.dptr, dbuf.dsize));
/* We should be able to unlock that OK. */
ok1(ntdb_unlock_hash(ntdb, h.h, F_WRLCK) == 0);
/* Database should be consistent. */
ok1(ntdb_check(ntdb, NULL, NULL) == 0);
/* Now, this should give a successful lookup. */
ok1(find_and_lock(ntdb, key, F_WRLCK, &h, &rec, NULL) == new_off);
/* Should have created correct hash. */
ok1(h.h == ntdb_hash(ntdb, key.dptr, key.dsize));
/* Should have located it in top table, bucket 0. */
ok1(h.table == NTDB_HASH_OFFSET);
ok1(h.table_size == (1 << ntdb->hash_bits));
ok1(h.bucket == 0);
/* Should have lock on bucket 0 */
ok1(h.h == 0);
ok1((ntdb->flags & NTDB_NOLOCK) || ntdb->file->num_lockrecs == 1);
ok1((ntdb->flags & NTDB_NOLOCK)
|| ntdb->file->lockrecs[0].off == NTDB_HASH_LOCK_START);
/* FIXME: Check lock length */
ok1(ntdb_unlock_hash(ntdb, h.h, F_WRLCK) == 0);
/* Database should be consistent. */
ok1(ntdb_check(ntdb, NULL, NULL) == 0);
/* Test expansion. */
v = 1;
ok1(find_and_lock(ntdb, key, F_WRLCK, &h, &rec, NULL) == 0);
/* Should have created correct hash. */
ok1(h.h == ntdb_hash(ntdb, key.dptr, key.dsize));
/* Should have located clash in toplevel bucket 0. */
ok1(h.table == NTDB_HASH_OFFSET);
ok1(h.table_size == (1 << ntdb->hash_bits));
ok1(h.bucket == 0);
ok1((h.old_val & NTDB_OFF_MASK) == new_off);
/* Should have lock on bucket 0 */
ok1((h.h & ((1 << ntdb->hash_bits)-1)) == 0);
ok1((ntdb->flags & NTDB_NOLOCK) || ntdb->file->num_lockrecs == 1);
ok1((ntdb->flags & NTDB_NOLOCK)
|| ntdb->file->lockrecs[0].off == NTDB_HASH_LOCK_START);
/* FIXME: Check lock length */
new_off2 = alloc(ntdb, key.dsize, dbuf.dsize,
NTDB_USED_MAGIC, false);
ok1(!NTDB_OFF_IS_ERR(new_off2));
off = new_off2 + sizeof(struct ntdb_used_record);
ok1(!ntdb->io->twrite(ntdb, off, key.dptr, key.dsize));
off += key.dsize;
ok1(!ntdb->io->twrite(ntdb, off, dbuf.dptr, dbuf.dsize));
/* We should be able to add it now. */
ok1(add_to_hash(ntdb, &h, new_off2) == 0);
ok1(ntdb_unlock_hash(ntdb, h.h, F_WRLCK) == 0);
/* Should be happy with expansion. */
ok1(ntdb_check(ntdb, NULL, NULL) == 0);
/* Should be able to find both. */
v = 1;
ok1(find_and_lock(ntdb, key, F_WRLCK, &h, &rec, NULL) == new_off2);
/* Should have created correct hash. */
ok1(h.h == ntdb_hash(ntdb, key.dptr, key.dsize));
/* Should have located space in chain. */
ok1(h.table > NTDB_HASH_OFFSET);
ok1(h.table_size == 2);
ok1(h.bucket == 1);
/* Should have lock on bucket 0 */
ok1((h.h & ((1 << ntdb->hash_bits)-1)) == 0);
ok1((ntdb->flags & NTDB_NOLOCK) || ntdb->file->num_lockrecs == 1);
ok1((ntdb->flags & NTDB_NOLOCK)
|| ntdb->file->lockrecs[0].off == NTDB_HASH_LOCK_START);
ok1(ntdb_unlock_hash(ntdb, h.h, F_WRLCK) == 0);
v = 0;
ok1(find_and_lock(ntdb, key, F_WRLCK, &h, &rec, NULL) == new_off);
/* Should have created correct hash. */
ok1(h.h == ntdb_hash(ntdb, key.dptr, key.dsize));
/* Should have located space in chain. */
ok1(h.table > NTDB_HASH_OFFSET);
ok1(h.table_size == 2);
ok1(h.bucket == 0);
/* Should have lock on bucket 0 */
ok1((h.h & ((1 << ntdb->hash_bits)-1)) == 0);
ok1((ntdb->flags & NTDB_NOLOCK) || ntdb->file->num_lockrecs == 1);
ok1((ntdb->flags & NTDB_NOLOCK)
|| ntdb->file->lockrecs[0].off == NTDB_HASH_LOCK_START);
/* FIXME: Check lock length */
/* Simple delete should work. */
ok1(delete_from_hash(ntdb, &h) == 0);
ok1(add_free_record(ntdb, new_off,
sizeof(struct ntdb_used_record)
+ rec_key_length(&rec)
+ rec_data_length(&rec)
+ rec_extra_padding(&rec),
NTDB_LOCK_NOWAIT, false) == 0);
ok1(ntdb_unlock_hash(ntdb, h.h, F_WRLCK) == 0);
ok1(ntdb_check(ntdb, NULL, NULL) == 0);
/* Should still be able to find other record. */
v = 1;
ok1(find_and_lock(ntdb, key, F_WRLCK, &h, &rec, NULL) == new_off2);
/* Should have created correct hash. */
ok1(h.h == ntdb_hash(ntdb, key.dptr, key.dsize));
/* Should have located space in chain. */
ok1(h.table > NTDB_HASH_OFFSET);
ok1(h.table_size == 2);
ok1(h.bucket == 1);
/* Should have lock on bucket 0 */
ok1((h.h & ((1 << ntdb->hash_bits)-1)) == 0);
ok1((ntdb->flags & NTDB_NOLOCK) || ntdb->file->num_lockrecs == 1);
ok1((ntdb->flags & NTDB_NOLOCK)
|| ntdb->file->lockrecs[0].off == NTDB_HASH_LOCK_START);
ok1(ntdb_unlock_hash(ntdb, h.h, F_WRLCK) == 0);
/* Now should find empty space. */
v = 0;
ok1(find_and_lock(ntdb, key, F_WRLCK, &h, &rec, NULL) == 0);
/* Should have created correct hash. */
ok1(h.h == ntdb_hash(ntdb, key.dptr, key.dsize));
/* Should have located space in chain, bucket 0. */
ok1(h.table > NTDB_HASH_OFFSET);
ok1(h.table_size == 2);
ok1(h.bucket == 0);
ok1(h.old_val == 0);
/* Adding another record should work. */
v = 2;
ok1(find_and_lock(ntdb, key, F_WRLCK, &h, &rec, NULL) == 0);
/* Should have created correct hash. */
ok1(h.h == ntdb_hash(ntdb, key.dptr, key.dsize));
/* Should have located space in chain, bucket 0. */
ok1(h.table > NTDB_HASH_OFFSET);
ok1(h.table_size == 2);
ok1(h.bucket == 0);
ok1(h.old_val == 0);
/* Should have lock on bucket 0 */
ok1((h.h & ((1 << ntdb->hash_bits)-1)) == 0);
ok1((ntdb->flags & NTDB_NOLOCK) || ntdb->file->num_lockrecs == 1);
ok1((ntdb->flags & NTDB_NOLOCK)
|| ntdb->file->lockrecs[0].off == NTDB_HASH_LOCK_START);
new_off = alloc(ntdb, key.dsize, dbuf.dsize,
NTDB_USED_MAGIC, false);
ok1(!NTDB_OFF_IS_ERR(new_off2));
ok1(add_to_hash(ntdb, &h, new_off) == 0);
ok1(ntdb_unlock_hash(ntdb, h.h, F_WRLCK) == 0);
off = new_off + sizeof(struct ntdb_used_record);
ok1(!ntdb->io->twrite(ntdb, off, key.dptr, key.dsize));
off += key.dsize;
ok1(!ntdb->io->twrite(ntdb, off, dbuf.dptr, dbuf.dsize));
/* Adding another record should cause expansion. */
v = 3;
ok1(find_and_lock(ntdb, key, F_WRLCK, &h, &rec, NULL) == 0);
/* Should have created correct hash. */
ok1(h.h == ntdb_hash(ntdb, key.dptr, key.dsize));
/* Should not have located space in chain. */
ok1(h.table > NTDB_HASH_OFFSET);
ok1(h.table_size == 2);
ok1(h.bucket == 2);
ok1(h.old_val != 0);
/* Should have lock on bucket 0 */
ok1((h.h & ((1 << ntdb->hash_bits)-1)) == 0);
ok1((ntdb->flags & NTDB_NOLOCK) || ntdb->file->num_lockrecs == 1);
ok1((ntdb->flags & NTDB_NOLOCK)
|| ntdb->file->lockrecs[0].off == NTDB_HASH_LOCK_START);
new_off = alloc(ntdb, key.dsize, dbuf.dsize,
NTDB_USED_MAGIC, false);
ok1(!NTDB_OFF_IS_ERR(new_off2));
off = new_off + sizeof(struct ntdb_used_record);
ok1(!ntdb->io->twrite(ntdb, off, key.dptr, key.dsize));
off += key.dsize;
ok1(!ntdb->io->twrite(ntdb, off, dbuf.dptr, dbuf.dsize));
ok1(add_to_hash(ntdb, &h, new_off) == 0);
ok1(ntdb_unlock_hash(ntdb, h.h, F_WRLCK) == 0);
/* Retrieve it and check. */
ok1(find_and_lock(ntdb, key, F_WRLCK, &h, &rec, NULL) == new_off);
/* Should have created correct hash. */
ok1(h.h == ntdb_hash(ntdb, key.dptr, key.dsize));
/* Should have appended to chain, bucket 2. */
ok1(h.table > NTDB_HASH_OFFSET);
ok1(h.table_size == 3);
ok1(h.bucket == 2);
/* Should have lock on bucket 0 */
ok1((h.h & ((1 << ntdb->hash_bits)-1)) == 0);
ok1((ntdb->flags & NTDB_NOLOCK) || ntdb->file->num_lockrecs == 1);
ok1((ntdb->flags & NTDB_NOLOCK)
|| ntdb->file->lockrecs[0].off == NTDB_HASH_LOCK_START);
ok1(ntdb_unlock_hash(ntdb, h.h, F_WRLCK) == 0);
/* YA record: relocation. */
v = 4;
ok1(find_and_lock(ntdb, key, F_WRLCK, &h, &rec, NULL) == 0);
/* Should have created correct hash. */
ok1(h.h == ntdb_hash(ntdb, key.dptr, key.dsize));
/* Should not have located space in chain. */
ok1(h.table > NTDB_HASH_OFFSET);
ok1(h.table_size == 3);
ok1(h.bucket == 3);
ok1(h.old_val != 0);
/* Should have lock on bucket 0 */
ok1((h.h & ((1 << ntdb->hash_bits)-1)) == 0);
ok1((ntdb->flags & NTDB_NOLOCK) || ntdb->file->num_lockrecs == 1);
ok1((ntdb->flags & NTDB_NOLOCK)
|| ntdb->file->lockrecs[0].off == NTDB_HASH_LOCK_START);
new_off = alloc(ntdb, key.dsize, dbuf.dsize,
NTDB_USED_MAGIC, false);
ok1(!NTDB_OFF_IS_ERR(new_off2));
off = new_off + sizeof(struct ntdb_used_record);
ok1(!ntdb->io->twrite(ntdb, off, key.dptr, key.dsize));
off += key.dsize;
ok1(!ntdb->io->twrite(ntdb, off, dbuf.dptr, dbuf.dsize));
ok1(add_to_hash(ntdb, &h, new_off) == 0);
ok1(ntdb_unlock_hash(ntdb, h.h, F_WRLCK) == 0);
/* Retrieve it and check. */
ok1(find_and_lock(ntdb, key, F_WRLCK, &h, &rec, NULL) == new_off);
/* Should have created correct hash. */
ok1(h.h == ntdb_hash(ntdb, key.dptr, key.dsize));
/* Should have appended to chain, bucket 2. */
ok1(h.table > NTDB_HASH_OFFSET);
ok1(h.table_size == 4);
ok1(h.bucket == 3);
/* Should have lock on bucket 0 */
ok1((h.h & ((1 << ntdb->hash_bits)-1)) == 0);
ok1((ntdb->flags & NTDB_NOLOCK) || ntdb->file->num_lockrecs == 1);
ok1((ntdb->flags & NTDB_NOLOCK)
|| ntdb->file->lockrecs[0].off == NTDB_HASH_LOCK_START);
ok1(ntdb_unlock_hash(ntdb, h.h, F_WRLCK) == 0);
ntdb_close(ntdb);
}
ok1(tap_log_messages == 0);
return exit_status();
}
|
