/**
* db connect by mysqli
*/
public static function connect()
{
//connect to db
self::$db = new mysqli(\config::$db_server, \config::$db_username, \config::$db_userpass, \config::$db_name);
// check connect
if (self::$db->connect_errno) {
die('MySQLi cann\'t connect with DataBase');
}
}
if ($_GET['action'] == '2') {
$func .= '2';
}
$machine_gun->run_select($machine_gun->{$func}());
break;
case 'make_random_query':
$machine_gun = new \machine_gun();
$machine_gun->make_random_query();
break;
case 'hight_load_emulation':
$machine_gun = new \machine_gun();
$machine_gun->high_load_emulation();
break;
case 'get_statistics':
$machine_gun = new \machine_gun();
$machine_gun->get_statistics();
break;
}
}
// db connect (mysqli)
\hlkiller_core::connect();
// route ajax queries
if (isset($_GET['do'])) {
ajax_route($_GET['do']);
} else {
// print index view
echo \ui::get_index_view();
}
//db disconnect
\hlkiller_core::disconnect();
/**
* run select query by generated text query
*
* @param $query_text
*/
public function run_select($query_text)
{
//$times = (int) \testing_config::$select ['times'];
$times = $_GET['times'];
$db = \hlkiller_core::db();
$start_time = microtime(2);
for ($i = 0; $i < $times; $i++) {
try {
$result = $db->query($query_text);
if ($db->errno) {
throw new \Exceptions\MySQLQuery('Mysqli died. ' . $db->errno . ' : ' . $db->error);
}
$result_array = array();
while ($tmp_array = $result->fetch_assoc()) {
$result_array[] = $tmp_array;
}
} catch (\Exceptions\MySQLQuery $e) {
die($e->getMessage());
}
}
$end_time = microtime(2);
echo $end_time - $start_time, '<br>';
\annex::showArray($result_array);
}
/**
* clear data in database
*/
public function clear_db()
{
$action = $_GET['action'];
$_SESSION['exist'] = '0';
foreach (\config::getTables() as $table) {
try {
$sql = "DROP TABLE IF EXISTS `" . $table['TABLE_NAME'] . "`";
$result = \hlkiller_core::db()->query($sql);
if ($result === false) {
echo $sql . ';';
throw new \Exceptions\MySQLQuery('Mysqli died.');
}
} catch (\Exceptions\MySQLQuery $e) {
die($e->getMessage());
}
}
switch ($action) {
case 1:
$this->add_structure_dump(PATH . 'test_dump1.sql');
break;
case 2:
$this->add_structure_dump(PATH . 'test_dump2.sql');
break;
}
}
public static function queries_array($index = null)
{
$arr = array(function () {
$users_q = \hlkiller_core::db()->query("SELECT `users_id` FROM `users` ORDER BY RAND() LIMIT 1");
$users = $users_q->fetch_array(MYSQLI_ASSOC);
$posts_q = \hlkiller_core::db()->query("SELECT `posts_id` FROM `posts` ORDER BY RAND() LIMIT 1");
$posts = $posts_q->fetch_array(MYSQLI_ASSOC);
$likes_q = \hlkiller_core::db()->query("SELECT COUNT(*) FROM `users_posts_like` WHERE `users_id`='{$users['users_id']}' AND `posts_id`='{$posts['posts_id']}'");
$likes = $likes_q->fetch_array(MYSQLI_NUM);
if ($likes[0]) {
$result = \hlkiller_core::db()->query("DELETE FROM `users_posts_like` WHERE `users_id`='{$users['users_id']}' AND `posts_id`='{$posts['posts_id']}'");
} else {
$result = \hlkiller_core::db()->query("INSERT INTO `users_posts_like` (`users_id`,`posts_id`,`rel_users_posts_like_time`) VALUES ('{$users['users_id']}','{$posts['posts_id']}',UNIX_TIMESTAMP())");
}
return $result;
}, function () {
$users_q = \hlkiller_core::db()->query("SELECT `users_id` FROM `users` ORDER BY RAND() LIMIT 1");
$users = $users_q->fetch_array(MYSQLI_ASSOC);
$users2_q = \hlkiller_core::db()->query("SELECT `users_id` FROM `users` ORDER BY RAND() LIMIT 1");
$users2 = $users2_q->fetch_array(MYSQLI_ASSOC);
$likes_q = \hlkiller_core::db()->query("SELECT `following_id` FROM `rel_users_following` WHERE `users_follower_id`='{$users['users_id']}' AND `users_supplier_id`='{$users2['users_id']}'");
$likes = $likes_q->fetch_array(MYSQLI_NUM);
if ($likes[0]) {
$result = \hlkiller_core::db()->query("DELETE FROM `rel_users_following` WHERE `following_id`='{$likes['0']}'");
} else {
$result = \hlkiller_core::db()->query("INSERT INTO `rel_users_following` (`users_follower_id`,`users_supplier_id`,`following_time`) VALUES ('{$users['users_id']}','{$users2['users_id']}',UNIX_TIMESTAMP())");
}
return $result;
}, function () {
$users_q = \hlkiller_core::db()->query("SELECT `users_id` FROM `users` ORDER BY RAND() LIMIT 1");
$users = $users_q->fetch_array(MYSQLI_ASSOC);
$posts_q = \hlkiller_core::db()->query("SELECT `posts_id` FROM `posts` ORDER BY RAND() LIMIT 1");
$posts = $posts_q->fetch_array(MYSQLI_ASSOC);
$text = \annex::gen_rnd_text();
$result = \hlkiller_core::db()->query("INSERT INTO `rel_users_posts_comments` (`users_id`,`posts_id`,`rel_users_posts_comments_time`,`comments_text`) VALUES ('{$users['users_id']}','{$posts['posts_id']}',UNIX_TIMESTAMP(),'{$text}')");
return $result;
}, function () {
$posts_q = \hlkiller_core::db()->query("SELECT `posts_id` FROM `posts` ORDER BY RAND() LIMIT 1");
$posts = $posts_q->fetch_array(MYSQLI_ASSOC);
$categories_q = \hlkiller_core::db()->query("SELECT `categories_id` FROM `categories` ORDER BY RAND() LIMIT 1");
$categories = $categories_q->fetch_array(MYSQLI_ASSOC);
$pc_q = \hlkiller_core::db()->query("SELECT `posts_categories_id` FROM `rel_posts_categories` WHERE `posts_id`='{$posts['posts_id']}' AND `categories_id`='{$categories['categories_id']}'");
if ($pc_q->num_rows) {
$result = \hlkiller_core::db()->query("DELETE FROM `rel_posts_categories` WHERE `posts_id`='{$posts['posts_id']}' AND `categories_id`='{$categories['categories_id']}'");
} else {
$result = \hlkiller_core::db()->query("INSERT INTO `rel_posts_categories` (`posts_id`,`categories_id`) VALUES ('{$posts['posts_id']}','{$categories['categories_id']}')");
}
return $result;
}, function () {
$name = \annex::gen_rnd_str(20);
$pass = \annex::gen_rnd_str(25);
$time = time();
$result = \hlkiller_core::db()->query("INSERT INTO `users` (`users_username`,`users_password`,`users_created_on`) VALUES ('{$name}','{$pass}','{$time}')");
return $result;
});
if (!is_null($index)) {
return $arr[$index]();
} else {
return count($arr);
}
}
