--- /dev/null
+#include "ntdb-source.h"
+#include "tap-interface.h"
+#include "logging.h"
+#include "helprun-external-agent.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();
+}
projects / ccan / blobdiff