コード例 #1
0
ファイル: rbtree.c プロジェクト: max3903/SFLphone
static int test(void)
{
    pj_rbtree rb;
    node_key *key;
    pj_rbtree_node *node;
    pj_pool_t *pool;
    int err=0;
    int count = MIN_COUNT;
    int i;
    unsigned size;

    pj_rbtree_init(&rb, (pj_rbtree_comp*)&compare_node);
    size = MAX_COUNT*(sizeof(*key)+PJ_RBTREE_NODE_SIZE) + 
			   PJ_RBTREE_SIZE + PJ_POOL_SIZE;
    pool = pj_pool_create( mem, "pool", size, 0, NULL);
    if (!pool) {
	PJ_LOG(3,("test", "...error: creating pool of %u bytes", size));
	return -10;
    }

    key = (node_key *)pj_pool_alloc(pool, MAX_COUNT*sizeof(*key));
    if (!key)
	return -20;

    node = (pj_rbtree_node*)pj_pool_alloc(pool, MAX_COUNT*sizeof(*node));
    if (!node)
	return -30;

    for (i=0; i<LOOP; ++i) {
	int j;
	pj_rbtree_node *prev, *it;
	pj_timestamp t1, t2, t_setup, t_insert, t_search, t_erase;

	pj_assert(rb.size == 0);

	t_setup.u32.lo = t_insert.u32.lo = t_search.u32.lo = t_erase.u32.lo = 0;

	for (j=0; j<count; j++) {
	    randomize_string(key[j].str, STRSIZE);

	    pj_get_timestamp(&t1);
	    node[j].key = &key[j];
	    node[j].user_data = key[j].str;
	    key[j].hash = pj_hash_calc(0, key[j].str, PJ_HASH_KEY_STRING);
	    pj_get_timestamp(&t2);
	    t_setup.u32.lo += (t2.u32.lo - t1.u32.lo);

	    pj_get_timestamp(&t1);
	    pj_rbtree_insert(&rb, &node[j]);
	    pj_get_timestamp(&t2);
	    t_insert.u32.lo += (t2.u32.lo - t1.u32.lo);
	}

	pj_assert(rb.size == (unsigned)count);

	// Iterate key, make sure they're sorted.
	prev = NULL;
	it = pj_rbtree_first(&rb);
	while (it) {
	    if (prev) {
		if (compare_node((node_key*)prev->key,(node_key*)it->key)>=0) {
		    ++err;
		    PJ_LOG(3, (THIS_FILE, "Error: %s >= %s", 
			       (char*)prev->user_data, (char*)it->user_data));
		}
	    }
	    prev = it;
	    it = pj_rbtree_next(&rb, it);
	}

	// Search.
	for (j=0; j<count; j++) {
	    pj_get_timestamp(&t1);
	    it = pj_rbtree_find(&rb, &key[j]);
	    pj_get_timestamp(&t2);
	    t_search.u32.lo += (t2.u32.lo - t1.u32.lo);

	    pj_assert(it != NULL);
	    if (it == NULL)
		++err;
	}

	// Erase node.
	for (j=0; j<count; j++) {
	    pj_get_timestamp(&t1);
	    it = pj_rbtree_erase(&rb, &node[j]);
	    pj_get_timestamp(&t2);
	    t_erase.u32.lo += (t2.u32.lo - t1.u32.lo);
	}

	PJ_LOG(4, (THIS_FILE, 
		"...count:%d, setup:%d, insert:%d, search:%d, erase:%d",
		count,
		t_setup.u32.lo / count, t_insert.u32.lo / count,
		t_search.u32.lo / count, t_erase.u32.lo / count));

	count = 2 * count;
	if (count > MAX_COUNT)
	    break;
    }

    pj_pool_release(pool);
    return err;
}
コード例 #2
0
ファイル: hash.hpp プロジェクト: LuLei2013/pjproject
    //
    // Calculate hash value.
    //
    static pj_uint32_t calc( pj_uint32_t initial_hval, 
                             const void *key, 
                             unsigned keylen = PJ_HASH_KEY_STRING)
    {
	return pj_hash_calc(initial_hval, key, keylen);
    }