<?php
	/*
	Default values are "localhost", "root",
	database "stest" and empty password.
	Change the MYSQL_TEST environment values
	if you want to use another configuration
	*/

	$driver    = new mysqli_driver;

	$host      = getenv("MYSQL_TEST_HOST")     ? getenv("MYSQL_TEST_HOST") : "localhost";
	$port      = getenv("MYSQL_TEST_PORT")     ? getenv("MYSQL_TEST_PORT") : 3306;
	$user      = getenv("MYSQL_TEST_USER")     ? getenv("MYSQL_TEST_USER") : "root";
	$passwd    = getenv("MYSQL_TEST_PASSWD")   ? getenv("MYSQL_TEST_PASSWD") : "";
	$db        = getenv("MYSQL_TEST_DB")       ? getenv("MYSQL_TEST_DB") : "test";
	$engine    = getenv("MYSQL_TEST_ENGINE")   ? getenv("MYSQL_TEST_ENGINE") : "MyISAM";
	$socket    = getenv("MYSQL_TEST_SOCKET")   ? getenv("MYSQL_TEST_SOCKET") : null;
	$skip_on_connect_failure  = getenv("MYSQL_TEST_SKIP_CONNECT_FAILURE") ? getenv("MYSQL_TEST_SKIP_CONNECT_FAILURE") : true;
	$connect_flags = getenv("MYSQL_TEST_CONNECT_FLAGS") ? (int)getenv("MYSQL_TEST_CONNECT_FLAGS") : 0;
	if ($socket) {
		ini_set('mysqli.default_socket', $socket);
	}

	/* Development setting: test experimal features and/or feature requests that never worked before? */
	$TEST_EXPERIMENTAL = (in_array(getenv("MYSQL_TEST_EXPERIMENTAL"), array(0, 1))) ?
				((1 == getenv("MYSQL_TEST_EXPERIMENTAL")) ? true : false) :
				false;

	$IS_MYSQLND = stristr(mysqli_get_client_info(), "mysqlnd");
	if (!$IS_MYSQLND) {
		$MYSQLND_VERSION = NULL;
	} else {
		/*
		The formatting of the version reported by mysqli_get_client_info()
		has changed significantly in the past. To get tests working properly
		with PHP 5.3.0 and up, we set everything that looks like prior to
		PHP 5.3.0 to version 5.0.4 = 5 * 10000 + 0 * 100 + 4 = 50004.
		PHP 5.3.0	reports mysqlnd 5.0.5 dev (= 5 * 10000 + 0 * 100 + 5 = 50005.
		*/
		if (preg_match('@Revision:\s+(\d+)\s*\$@ism', mysqli_get_client_info(), $matches)) {
			/* something prior to PHP 5.3.0 */
			$MYSQLND_VERSION = 50004;
		} else if (preg_match('@^mysqlnd (\d+)\.(\d+)\.(\d+).*@ism', mysqli_get_client_info(), $matches)) {
			/* formatting schema used by PHP 5.3.0 */
			$MYSQLND_VERSION = (int)$matches[1] * 10000 + (int)$matches[2] * 100 + (int)$matches[3];
		} else if (preg_match('@^mysqlnd/PHP 6.0.0-dev@ism', mysqli_get_client_info(), $matches)) {
			/*
				PHP 6.0 at the time of the first PHP 5.3.0 release.
				HEAD and 5.3 have been in sync when 5.3.0 was released.
				It is at least 5.0.5-dev.
			*/
			$MYSQLND_VERSION = 50005;
		} else {
			/* unknown */
			$MYSQLND_VERSION = -1;
		}

	}

	if (!function_exists('sys_get_temp_dir')) {
		function sys_get_temp_dir() {

			if (!empty($_ENV['TMP']))
				return realpath( $_ENV['TMP'] );
			if (!empty($_ENV['TMPDIR']))
				return realpath( $_ENV['TMPDIR'] );
			if (!empty($_ENV['TEMP']))
				return realpath( $_ENV['TEMP'] );

			$temp_file = tempnam(md5(uniqid(rand(), TRUE)), '');
			if ($temp_file) {
				$temp_dir = realpath(dirname($temp_file));
				unlink($temp_file);
				return $temp_dir;
			}
			return FALSE;
		}
	}

	if (!function_exists('my_mysqli_connect')) {

		/**
		* Whenever possible, please use this wrapper to make testing ot MYSQLI_CLIENT_COMPRESS (and potentially SSL) possible
		*
		* @param enable_env_flags Enable setting of connection flags through 	env(MYSQL_TEST_CONNECT_FLAGS)?
		*/
		function my_mysqli_connect($host, $user, $passwd, $db, $port, $socket, $enable_env_flags = true) {
			global $connect_flags;

			$flags = ($enable_env_flags) ? $connect_flags : false;

			if ($flags !== false) {
				$link = mysqli_init();
				if (!mysqli_real_connect($link, $host, $user, $passwd, $db, $port, $socket, $flags))
					$link = false;
			} else {
				$link = mysqli_connect($host, $user, $passwd, $db, $port, $socket);
			}

			return $link;
		}

		/**
		* Whenever possible, please use this wrapper to make testing ot MYSQLI_CLIENT_COMPRESS (and potentially SSL) possible
		*
		* @param enable_env_flags Enable setting of connection flags through env(MYSQL_TEST_CONNECT_FLAGS)
		*/
		function my_mysqli_real_connect($link, $host, $user, $passwd, $db, $port, $socket, $flags = 0, $enable_env_flags = true) {
			global $connect_flags;

			if ($enable_env_flags)
				$flags & $connect_flags;

			return mysqli_real_connect($link, $host, $user, $passwd, $db, $port, $socket, $flags);
		}

		class my_mysqli extends mysqli {
			public function __construct($host, $user, $passwd, $db, $port, $socket, $enable_env_flags = true) {
				global $connect_flags;

				$flags = ($enable_env_flags) ? $connect_flags : false;

				if ($flags !== false) {
					parent::init();
					$this->real_connect($host, $user, $passwd, $db, $port, $socket, $flags);
				} else {
					parent::__construct($host, $user, $passwd, $db, $port, $socket);
				}
			}
		}

		function my_get_charsets($link) {

			/* Those tree are set by SET NAMES */
			$charsets = array(
				'client' 		=> NULL,
				'results'		=> NULL,
				'connection'	=> NULL,
			);

			if (!($res = mysqli_query($link, "SHOW VARIABLES LIKE '%character%'"))) {
				printf("[%d] %s\n", mysqli_errno($link), mysqli_error($link));
				return $charsets;
			}

			$names = array();
			while ($row = mysqli_fetch_assoc($res)) {
				$names[$row['Variable_name']] = $row['Value'];
			}
			mysqli_free_result($res);

			if (!($res = mysqli_query($link, sprintf("SHOW CHARACTER SET LIKE '%s'", $names['character_set_client']))) ||
				!($details = mysqli_fetch_assoc($res))) {
				printf("[%d] %s\n", mysqli_errno($link), mysqli_error($link));
				return $charsets;
			}
			mysqli_free_result($res);

			$charsets['client'] = array(
				'charset' 	=> $details['Charset'],
				'desc'		=> $details['Description'],
				'collation'	=> $details['Default collation'],
				'maxlen'	=> $details['Maxlen'],
				'nr'		=> NULL,
			);

			if (!($res = mysqli_query($link, sprintf("SHOW COLLATION LIKE '%s'", $details['Default collation']))) ||
				!($collation = mysqli_fetch_assoc($res))) {
				printf("[%d] %s\n", mysqli_errno($link), mysqli_error($link));
				return $charsets;
			}
			mysqli_free_result($res);
			$charsets['client']['nr'] = $collation['Id'];

			if (!($res = mysqli_query($link, sprintf("SHOW CHARACTER SET LIKE '%s'", $names['character_set_results']))) ||
				!($details = mysqli_fetch_assoc($res))) {
				printf("[%d] %s\n", mysqli_errno($link), mysqli_error($link));
				return $charsets;
			}
			mysqli_free_result($res);

			$charsets['results'] = array(
				'charset' 	=> $details['Charset'],
				'desc'		=> $details['Description'],
				'collation'	=> $details['Default collation'],
				'maxlen'	=> $details['Maxlen'],
				'nr'		=> NULL,
			);

			if (!($res = mysqli_query($link, sprintf("SHOW COLLATION LIKE '%s'", $details['Default collation']))) ||
				!($collation = mysqli_fetch_assoc($res))) {
				printf("[%d] %s\n", mysqli_errno($link), mysqli_error($link));
				return $charsets;
			}
			mysqli_free_result($res);
			$charsets['results']['nr'] = $collation['Id'];


			if (!($res = mysqli_query($link, sprintf("SHOW CHARACTER SET LIKE '%s'", $names['character_set_connection']))) ||
				!($details = mysqli_fetch_assoc($res))) {
				printf("[%d] %s\n", mysqli_errno($link), mysqli_error($link));
				return $charsets;
			}
			mysqli_free_result($res);

			$charsets['connection'] = array(
				'charset' 	=> $details['Charset'],
				'desc'		=> $details['Description'],
				'collation'	=> $details['Default collation'],
				'maxlen'	=> $details['Maxlen'],
				'nr'		=> NULL,
			);

			if (!($res = mysqli_query($link, sprintf("SHOW COLLATION LIKE '%s'", $details['Default collation']))) ||
				!($collation = mysqli_fetch_assoc($res))) {
				printf("[%d] %s\n", mysqli_errno($link), mysqli_error($link));
				return $charsets;
			}
			mysqli_free_result($res);
			$charsets['connection']['nr'] = $collation['Id'];

			return $charsets;
		}

	} else {
		printf("skip Eeeek/BUG/FIXME - connect.inc included twice! skipif bug?\n");
	}
?>