/**
* This function will check if database requirements are satisfied
*
* @global object
* @uses NO_VERSION_DATA_FOUND
* @uses NO_DATABASE_SECTION_FOUND
* @uses NO_DATABASE_VENDORS_FOUND
* @uses NO_DATABASE_VENDOR_MYSQL_FOUND
* @uses NO_DATABASE_VENDOR_POSTGRES_FOUND
* @uses NO_DATABASE_VENDOR_VERSION_FOUND
* @param string $version xml version we are going to use to test this server
* @param int $env_select one of ENV_SELECT_NEWER | ENV_SELECT_DATAROOT | ENV_SELECT_RELEASE decide xml to use.
* @return object results encapsulated in one environment_result object
*/
function environment_check_database($version, $env_select)
{
global $DB;
$result = new environment_results('database');
$vendors = array();
//Array of vendors in version
/// Get the enviroment version we need
if (!($data = get_environment_for_version($version, $env_select))) {
/// Error. No version data found
$result->setStatus(false);
$result->setErrorCode(NO_VERSION_DATA_FOUND);
return $result;
}
/// Extract the database part
if (!isset($data['#']['DATABASE'])) {
/// Error. No DATABASE section found
$result->setStatus(false);
$result->setErrorCode(NO_DATABASE_SECTION_FOUND);
return $result;
} else {
/// Extract level
$level = get_level($data['#']['DATABASE']['0']);
}
/// Extract DB vendors. At least 2 are mandatory (mysql & postgres)
if (!isset($data['#']['DATABASE']['0']['#']['VENDOR'])) {
/// Error. No VENDORS found
$result->setStatus(false);
$result->setErrorCode(NO_DATABASE_VENDORS_FOUND);
return $result;
} else {
/// Extract vendors
foreach ($data['#']['DATABASE']['0']['#']['VENDOR'] as $vendor) {
if (isset($vendor['@']['name']) && isset($vendor['@']['version'])) {
$vendors[$vendor['@']['name']] = $vendor['@']['version'];
$vendorsxml[$vendor['@']['name']] = $vendor;
}
}
}
/// Check we have the mysql vendor version
if (empty($vendors['mysql'])) {
$result->setStatus(false);
$result->setErrorCode(NO_DATABASE_VENDOR_MYSQL_FOUND);
return $result;
}
/// Check we have the postgres vendor version
if (empty($vendors['postgres'])) {
$result->setStatus(false);
$result->setErrorCode(NO_DATABASE_VENDOR_POSTGRES_FOUND);
return $result;
}
/// Now search the version we are using (depending of vendor)
$current_vendor = $DB->get_dbfamily();
$dbinfo = $DB->get_server_info();
$current_version = normalize_version($dbinfo['version']);
$needed_version = $vendors[$current_vendor];
/// Check we have a needed version
if (!$needed_version) {
$result->setStatus(false);
$result->setErrorCode(NO_DATABASE_VENDOR_VERSION_FOUND);
return $result;
}
/// And finally compare them, saving results
if (version_compare($current_version, $needed_version, '>=')) {
$result->setStatus(true);
} else {
$result->setStatus(false);
}
$result->setLevel($level);
$result->setCurrentVersion($current_version);
$result->setNeededVersion($needed_version);
$result->setInfo($current_vendor);
/// Do any actions defined in the XML file.
process_environment_result($vendorsxml[$current_vendor], $result);
return $result;
}
/**
* Check if recommended version of libcurl is installed or not.
*
* @param environment_results $result object to update, if relevant.
* @return environment_results|null updated results or null.
*/
function check_libcurl_version(environment_results $result)
{
if (!function_exists('curl_version')) {
$result->setInfo('cURL PHP extension is not installed');
$result->setStatus(false);
return $result;
}
// Supported version and version number.
$supportedversion = 0x71304;
$supportedversionstring = "7.19.4";
// Installed version.
$curlinfo = curl_version();
$currentversion = $curlinfo['version_number'];
if ($currentversion < $supportedversion) {
// Test fail.
// Set info, we want to let user know how to resolve the problem.
$result->setInfo('Libcurl version check');
$result->setNeededVersion($supportedversionstring);
$result->setCurrentVersion($curlinfo['version']);
$result->setStatus(false);
return $result;
}
return null;
}
