function gs_db_connect(&$conn, $tag = '', $host, $user, $pwd, $db = null, $_backtrace_level = 0)
{
$caller_info = '';
if (GS_LOG_LEVEL >= GS_LOG_DEBUG) {
$bt = debug_backtrace();
if (is_array($bt) && array_key_exists($_backtrace_level, $bt)) {
$caller_info = ' for ' . @$bt[$_backtrace_level]['file'] . ':' . @$bt[$_backtrace_level]['line'] . '';
unset($bt);
}
}
if (gs_db_is_connected($conn)) {
//gs_log( GS_LOG_DEBUG, 'Using existing'. ($tag != '' ? ' "'.$tag.'"':'') .' DB connection'. ($conn->getCustomAttr('w') ? '':' (read-only)') . $caller_info );
// don't flood the log
return 2;
# using the existing connection
}
gs_log(GS_LOG_DEBUG, 'New' . ($tag != '' ? ' ' . str_pad($tag, 6) . '' : '') . ' DB connection' . $caller_info);
if (!($conn = YADB_newConnection('mysql'))) {
$conn = null;
return false;
}
if (!$conn->connect($host, $user, $pwd, $db, array('reuse' => false, 'timeout' => 8))) {
$lastNativeError = @$conn->getLastNativeError();
$lastNativeErrorMsg = @$conn->getLastNativeErrorMsg();
gs_log(GS_LOG_WARNING, 'Could not connect to' . ($tag != '' ? ' "' . $tag . '"' : '') . ' database!' . ($lastNativeError ? ' (#' . $lastNativeError . ' - ' . $lastNativeErrorMsg . ')' : ''));
$conn = null;
return false;
}
@$conn->setCharSet('utf8', 'utf8_unicode_ci');
@$conn->setQueryErrCb('gs_db_query_err_handler');
return 1;
# opened a new connection
}
function &factory($dbType)
{
return YADB_newConnection($dbType);
}
