--TEST-- Persistent connections and mysqli.max_links --SKIPIF-- --INI-- mysqli.allow_persistent=1 mysqli.max_persistent=2 --FILE-- enabled'), 500); if (!preg_match('@Active Persistent Links\s+=>\s+(\d+)@ismU', $phpinfo, $matches)) printf("[002] Cannot get # active persistent links from phpinfo()\n"); $num_plinks = $matches[1]; if (!$res = mysqli_query($plink, 'SELECT id, label FROM test WHERE id = 1')) printf("[003] Cannot run query on persistent connection of second DB user, [%d] %s\n", mysqli_errno($plink), mysqli_error($plink)); if (!$row = mysqli_fetch_assoc($res)) printf("[004] Cannot run fetch result, [%d] %s\n", mysqli_errno($plink), mysqli_error($plink)); mysqli_free_result($res); var_dump($row); // change the password for the second DB user and kill the persistent connection if (!mysqli_query($link, 'SET PASSWORD FOR pcontest = PASSWORD("newpass")') || !mysqli_query($link, 'FLUSH PRIVILEGES')) printf("[005] Cannot change PW of second DB user, [%d] %s\n", mysqli_errno($link), mysqli_error($link)); // change the password for the second DB user and kill the persistent connection if (!mysqli_query($link, 'SET PASSWORD FOR pcontest@localhost = PASSWORD("newpass")') || !mysqli_query($link, 'FLUSH PRIVILEGES')) printf("[006] Cannot change PW of second DB user, [%d] %s\n", mysqli_errno($link), mysqli_error($link)); // persistent connections cannot be closed but only be killed $pthread_id = mysqli_thread_id($plink); if (!mysqli_query($link, sprintf('KILL %d', $pthread_id))) printf("[007] Cannot KILL persistent connection of second DB user, [%d] %s\n", mysqli_errno($link), mysqli_error($link)); // give the server a second to really kill the thread sleep(1); if (!$res = mysqli_query($link, "SHOW FULL PROCESSLIST")) printf("[008] [%d] %s\n", mysqli_errno($link), mysqli_error($link)); $running_threads = array(); while ($row = mysqli_fetch_assoc($res)) $running_threads[$row['Id']] = $row; mysqli_free_result($res); if (isset($running_threads[$pthread_id])) printf("[009] Persistent connection has not been killed\n"); // this fails and we have 0 (<= $num_plinks) connections if ($plink = @my_mysqli_connect('p:' . $host, 'pcontest', 'pcontest', $db, $port, $socket)) printf("[010] Can connect using the old password, [%d] %s\n", mysqli_connect_errno($link), mysqli_connect_error($link)); ob_start(); phpinfo(); $phpinfo = strip_tags(ob_get_contents()); ob_end_clean(); $phpinfo = substr($phpinfo, stripos($phpinfo, 'MysqlI Support => enabled'), 500); if (!preg_match('@Active Persistent Links\s+=>\s+(\d+)@ismU', $phpinfo, $matches)) printf("[010] Cannot get # of active persistent links from phpinfo()\n"); $num_plinks_kill = $matches[1]; if ($num_plinks_kill > $num_plinks) printf("[011] Expecting Active Persistent Links < %d, got %d\n", $num_plinks, $num_plinks_kill); if (!$plink = my_mysqli_connect('p:' . $host, 'pcontest', 'newpass', $db, $port, $socket)) printf("[012] Cannot connect using the new password, [%d] %s\n", mysqli_connect_errno(), mysqli_connect_error()); if (!$res = mysqli_query($plink, 'SELECT id, label FROM test WHERE id = 1')) printf("[013] Cannot run query on persistent connection of second DB user, [%d] %s\n", mysqli_errno($plink), mysqli_error($plink)); if (!$row = mysqli_fetch_assoc($res)) printf("[014] Cannot run fetch result, [%d] %s\n", mysqli_errno($plink), mysqli_error($plink)); mysqli_free_result($res); var_dump($row); if ($plink2 = my_mysqli_connect('p:' . $host, 'pcontest', 'newpass', $db, $port, $socket)) printf("[015] Can open more persistent connections than allowed, [%d] %s\n", mysqli_connect_errno(), mysqli_connect_error()); ob_start(); phpinfo(); $phpinfo = strip_tags(ob_get_contents()); ob_end_clean(); $phpinfo = substr($phpinfo, stripos($phpinfo, 'MysqlI Support => enabled'), 500); if (!preg_match('@Active Persistent Links\s+=>\s+(\d+)@ismU', $phpinfo, $matches)) printf("[016] Cannot get # of active persistent links from phpinfo()\n"); $num_plinks = $matches[1]; if ($num_plinks > (int)ini_get('mysqli.max_persistent')) printf("[017] mysqli.max_persistent=%d allows %d open connections!\n", ini_get('mysqli.max_persistent'),$num_plinks); mysqli_query($link, 'REVOKE ALL PRIVILEGES, GRANT OPTION FROM pcontest'); mysqli_query($link, 'DROP USER pcontest'); mysqli_close($link); print "done!"; ?> --CLEAN-- --EXPECTF-- array(2) { [%u|b%"id"]=> %unicode|string%(1) "1" [%u|b%"label"]=> %unicode|string%(1) "a" } array(2) { [%u|b%"id"]=> %unicode|string%(1) "1" [%u|b%"label"]=> %unicode|string%(1) "a" } Warning: %s: Too many open persistent links (%d) in %s on line %d done!