public static function addConfAfterParamValidation($user, $path, $idc, $main_buss_id, $sub_buss_id, $desc, $node_val)
 {
     // 1.check whether node already exist
     $add_node = NodeServ::getNodeByNodeWhole($path, $main_buss_id);
     if ($add_node != FALSE) {
         $current_idc_array = explode(",", $add_node["idc"]);
         $new_idc_array = explode(",", $idc);
         $intersect = array_intersect($current_idc_array, $new_idc_array);
         if (count($intersect) != 0) {
             return InfoDescUtil::ERR_NODE_EXIST;
         }
     }
     // 2.cascade add node in database
     mysql_query("BEGIN");
     $cur_path = "";
     $parent_id = 0;
     $ret = TRUE;
     $path = "/" . trim($path, "/");
     $node_list = preg_split("/[\\/]+/", trim($path, "/"));
     for ($i = 0; $i < count($node_list); $i++) {
         $currentp = $node_list[$i];
         $cur_path .= "/" . $node_list[$i];
         $exist = NodeServ::checkNode($cur_path, $main_buss_id);
         if ($exist == FALSE) {
             if ($i === 0) {
                 // root path
                 $perm_path = $node_list[$i];
                 QconfMgrLog::err(__FILE__, __LINE__, "root node :{$perm_path} is not exist on {$main_buss_id} ");
                 return InfoDescUtil::ERR_NODE_NOT_EXIST;
             } else {
                 //normal path
                 if ($i == count($node_list) - 1) {
                     $ret = NodeServ::insert($parent_id, $node_list[$i], InfoDescUtil::NODE_TYPE_NORMAL, $cur_path, $main_buss_id, $sub_buss_id, $idc, $desc);
                 } else {
                     $ret = NodeServ::insert($parent_id, $node_list[$i], InfoDescUtil::NODE_TYPE_NORMAL, $cur_path, $main_buss_id, $sub_buss_id, $idc, "");
                 }
                 $cur_node = NodeServ::getNodeByNodeWhole($cur_path, $main_buss_id);
                 if ($cur_node != FALSE) {
                     $parent_id = $cur_node["node_id"];
                 } else {
                     $ret = FALSE;
                     QconfMgrLog::err(__FILE__, __LINE__, "get node with path:{$cur_path} and " . "main_buss_id:{$main_buss_id} after insert node, failed!");
                     break;
                 }
             }
         } else {
             //already exist
             $cur_node = NodeServ::getNodeByNodeWhole($cur_path, $main_buss_id);
             if ($cur_node === FALSE) {
                 QconfMgrLog::err(__FILE__, __LINE__, "get node of path:{$cur_path}, main_buss_id:{$main_buss_id} failed!");
                 $ret = FALSE;
                 break;
             } else {
                 // judge node type
                 $cur_node_type = $cur_node["node_type_code"];
                 if ($cur_node_type == InfoDescUtil::NODE_TYPE_SERV_FATHER && $cur_path != $path) {
                     mysql_query("ROLLBACK");
                     QconfMgrLog::err(__FILE__, __LINE__, "path:{$cur_path} " . "is already service father type of main_buss_id:{$main_buss_id} ");
                     return InfoDescUtil::ERR_IMPORT_ADD_UNDER_SERV_FATHER;
                 }
                 //modify idc since idc expansion may happened
                 $current_id = $cur_node["node_id"];
                 $current_idc_array = explode(",", $cur_node["idc"]);
                 $new_idc_array = explode(",", $idc);
                 $set_idc_array = array_merge($current_idc_array, $new_idc_array);
                 $set_idc = implode(",", $set_idc_array);
                 if (NodeServ::modIdc($current_id, $set_idc) === FALSE) {
                     QconfMgrLog::err(__FILE__, __LINE__, "modify Idc:{$set_idc} of node_id:{$current_id}  failed!");
                 }
                 $parent_id = $current_id;
             }
         }
     }
     // any mysql error happened in current loop
     if ($ret === FALSE) {
         mysql_query("ROLLBACK");
         //$res = InfoDescUtil::getErrorMsg(InfoDescUtil::ERR_MYSQL_FAIL);
         QconfMgrLog::err(__FILE__, __LINE__, "node:{$path} didn't exist in database");
         //echo json_encode($res);
         return InfoDescUtil::ERR_MYSQL_FAIL;
     }
     // 3.add node into each idc
     $idc_list = preg_split("/[,]+/", $idc);
     $zk_web = new QconfZkWebBase(Log::INFO);
     foreach ($idc_list as $idc_each) {
         // certainly exist which has been validation in the CommonArgusProcess function
         $idc_host = ZkConf::getZkHost($idc_each);
         $zk_web->connect($idc_host);
         $qconf_path = PathUtil::getQconfPath($path);
         $retry_time = 0;
         while ($retry_time++ < 3 && $zk_web->add_conf($qconf_path, $node_val) === -1) {
             QconfMgrLog::err(__FILE__, __LINE__, "fail to add conf into zookeeper! retry time {$retry_time}");
         }
         if ($retry_time >= 3) {
             mysql_query("ROLLBACK");
             //$res = InfoDescUtil::getErrorMsg(InfoDescUtil::ERR_ZOOKEEPER_FAIL);
             QconfMgrLog::err(__FILE__, __LINE__, "add in zookeeper failed on idc: {$idc_each}");
             OpServ::insert(InfoDescUtil::OP_TYPE_ADD, $path, $idc, InfoDescUtil::OP_STATUS_ZOO_FAILED, $main_buss_id, $sub_buss_id, $user, $node_val);
             //echo json_encode($res);
             return InfoDescUtil::ERR_ZOOKEEPER_FAIL;
         }
     }
     OpServ::insert(InfoDescUtil::OP_TYPE_ADD, $path, $idc, InfoDescUtil::OP_STATUS_SUCCESS, $main_buss_id, $sub_buss_id, $user, $node_val);
     mysql_query("COMMIT");
     return 0;
 }
 public function addNormalAction()
 {
     $main_buss_id = $this->getRequest("main_buss_id", "");
     $user_name = $this->getRequest("user_name", "");
     $node_whole = trim($this->getRequest("node_whole", ""));
     $op_user = $this->userInfo["userName"];
     if ($main_buss_id === "" || $user_name === "" || $node_whole === "") {
         $res = InfoDescUtil::getErrorMsg(InfoDescUtil::ERR_BAD_ARGS);
         QconfMgrLog::err(__FILE__, __LINE__, "parameter 'main_buss_id' or 'user_name' or 'node_whole' is null!");
         echo json_encode($res);
         return;
     }
     // Check whether op_user is admin
     $is_admin = UserPermServ::checkAdmin($op_user, $main_buss_id);
     if ($is_admin !== InfoDescUtil::QCONF_OK) {
         if ($is_admin === FALSE) {
             $res = InfoDescUtil::getErrorMsg(InfoDescUtil::ERR_MYSQL_FAIL);
         } else {
             $res = InfoDescUtil::getErrorMsg($is_admin);
         }
         QconfMgrLog::err(__FILE__, __LINE__, "admin:{$op_user} of main_buss_id:{$main_buss_id} list normals failed!");
         echo json_encode($res);
         return;
     }
     // Check whether the $node_whole of $main_buss_id exist
     $node_whole = "/" . trim($node_whole, "/");
     $flags = NodeServ::checkNode($node_whole, $main_buss_id);
     if ($flags === FALSE) {
         $res = InfoDescUtil::getErrorMsg(InfoDescUtil::ERR_NODE_NOT_EXIST);
         QconfMgrLog::err(__FILE__, __LINE__, "{$node_whole} is not in qconf_node table!");
         echo json_encode($res);
         return;
     }
     $flags = UserPermServ::addNormal($op_user, $user_name, $node_whole, $main_buss_id);
     if ($flags !== InfoDescUtil::QCONF_OK) {
         OpServ::insert(InfoDescUtil::OP_TYPE_USER_PERM_NORMAL_ADD, $node_whole, "", InfoDescUtil::OP_STATUS_MYSQL_FAILED, $main_buss_id, "NULL", $op_user, "add {$user_name} perm failed!");
         if ($flags === FALSE) {
             $res = InfoDescUtil::getErrorMsg(InfoDescUtil::ERR_MYSQL_FAIL);
         } else {
             $res = InfoDescUtil::getErrorMsg($flags);
         }
         QconfMgrLog::err(__FILE__, __LINE__, "admin:{$op_user} of main_buss_id:{$main_buss_id} add user:{$user_name} of node:{$node_whole}; {$flags} failed!");
         echo json_encode($res);
         return;
     }
     OpServ::insert(InfoDescUtil::OP_TYPE_USER_PERM_NORMAL_ADD, $node_whole, "", InfoDescUtil::OP_STATUS_SUCCESS, $main_buss_id, "NULL", $op_user, "add {$user_name} perm success!");
     $res = array("errno" => "0", "errmsg" => "", "data" => "add normal user success");
     $json = json_encode($res);
     echo $json;
 }