int cache_create_node_and_pin(struct cache_file *cf,
uint32_t height,
uint32_t children,
struct node **n)
{
NID next_nid;
struct cpair *p;
struct node *new_node;
struct cache *c = cf->cache;
next_nid = hdr_next_nid((struct tree*)cf->args);
if (height == 0)
new_node = leaf_alloc_empty(next_nid);
else
new_node = nonleaf_alloc_empty(next_nid, height, children);
p = cpair_new();
cpair_init(p, new_node, cf);
/* default lock type is L_WRITE */
write_lock(&p->value_lock);
*n = new_node;
/* add to cache list */
write_lock(&c->clock_lock);
_cache_insert(c, p);
write_unlock(&c->clock_lock);
return NESS_OK;
}
CTEST(node_serial_test, leaf_empty)
{
int ret = 0;
int fd = ness_os_open(BRT_FILE, O_RDWR | O_CREAT, 0777);
struct block *b = block_new();
struct hdr *hdr = (struct hdr*)xcalloc(1, sizeof(*hdr));
struct options *opts = options_new();
/*
* dummy brt leaf
*/
uint64_t nid = 3;
struct node *dummy_leaf = leaf_alloc_empty(nid);
leaf_alloc_bsm(dummy_leaf);
ret = serialize_node_to_disk(fd, b, dummy_leaf, hdr);
ASSERT_TRUE(ret > 0);
//free
node_free(dummy_leaf);
struct node *dummy_leaf1;
ret = deserialize_node_from_disk(fd, b, nid, &dummy_leaf1, 0);
ASSERT_TRUE(ret > 0);
ASSERT_EQUAL(0, basement_count(dummy_leaf1->u.l.le->bsm));
//free
node_free(dummy_leaf1);
ness_os_close(fd);
block_free(b);
xfree(hdr);
options_free(opts);
xcheck_all_free();
}
CTEST(node_serial_test, leaf_2_record)
{
int ret = 0;
int fd = ness_os_open(BRT_FILE, O_RDWR | O_CREAT, 0777);
struct block *b = block_new();
struct hdr *hdr = (struct hdr*)xcalloc(1, sizeof(*hdr));
struct options *opts = options_new();
/*
* dummy brt leaf
*/
uint64_t nid = 3;
struct node *dummy_leaf = leaf_alloc_empty(nid);
leaf_alloc_bsm(dummy_leaf);
MSN msn = 0U;
struct xids *xids = NULL;
struct msg k, v;
k.size = 6;
k.data = "hello";
v.size = 6;
v.data = "world";
basement_put(dummy_leaf->u.l.le->bsm, &k, &v, MSG_INSERT, msn, xids);
struct msg k1, v1;
k1.size = 6;
k1.data = "hellx";
v1.size = 6;
v1.data = "worlx";
basement_put(dummy_leaf->u.l.le->bsm, &k1, &v1, MSG_INSERT, msn, xids);
ret = serialize_node_to_disk(fd, b, dummy_leaf, hdr);
ASSERT_TRUE(ret > 0);
//free
node_free(dummy_leaf);
struct node *dummy_leaf1;
ret = deserialize_node_from_disk(fd, b, nid, &dummy_leaf1, 0);
ASSERT_TRUE(ret > 0);
ASSERT_EQUAL(2, basement_count(dummy_leaf1->u.l.le->bsm));
struct basement_iter iter;
basement_iter_init(&iter, dummy_leaf1->u.l.le->bsm);
basement_iter_seek(&iter, &k);
ASSERT_EQUAL(1, iter.valid);
ASSERT_STR("world", iter.val.data);
basement_iter_seek(&iter, &k1);
ASSERT_EQUAL(1, iter.valid);
ASSERT_STR("worlx", iter.val.data);
//free
node_free(dummy_leaf1);
ness_os_close(fd);
block_free(b);
xfree(hdr);
options_free(opts);
xcheck_all_free();
}