function dapi_call($func, &$args, &$system)
{
$db = $system->database();
$rs = $db->exec('select * from sdb_dapi where func=' . $db->quote($func));
$r = $db->getRows($rs, 1);
$r = $r[0];
if (!$r || time() - $r['last_update'] > 300) {
if (!class_exists('http_base')) {
require CORE_INCLUDE_DIR . '/http.php';
}
$http = new http_base();
$info = $system->version();
$info['ver'] = '4.8.6';
//服务器端要把client端的version作为etag的内容
$code = $http->action('get', constant('DAPI_URL') . '?' . http_build_query($info) . '&api=liansuo-' . $func, array('If-None-Match' => $r['checksum']));
if ($http->responseCode == 200) {
$sql = $db->getUpdateSQL($rs, array('func' => $func, 'checksum' => $http->responseHeader['etag'], 'code' => $code, 'last_update' => time()), 1);
if ($sql) {
$db->exec($sql);
}
} elseif ($http->responseCode == 304) {
$sql = $db->getUpdateSQL($rs, array('last_update' => time()));
$code = $r['code'];
if ($sql) {
$db->exec($sql);
}
}
} else {
$code = $r['code'];
}
if (!function_exists($func)) {
eval(' ?>' . $code);
}
return call_user_func_array($func, $args);
}
function call($cmd, $url, $headers = null, $data = null)
{
return parent::call($cmd, $url, $headers, $data, array('301' => array(&$this, '__redirect'), '302' => array(&$this, '__redirect')));
}
