int ObMergerRequest::remove_invalid_event_in_finish_queue(const int64_t timeout) { int ret = OB_SUCCESS; int64_t remainder = timeout; int64_t size = finish_queue_.size(); bool is_valid = false; ObMergerRpcEvent * event = NULL; while (remainder > 0 && size > 0) { if (OB_SUCCESS == (ret = finish_queue_.pop(remainder, (void *&)event))) { if (NULL != event && OB_SUCCESS == event->get_result_code() && event->get_session_id() > ObCommonRpcEvent::INVALID_SESSION_ID) { terminate_remote_session(event->get_server(), event->get_session_id()); TBSYS_LOG(INFO,"end finished but not process session [client:%ld, session_id:%lu, event_id:%ld]", event->get_client_id(), event->get_session_id(), event->get_event_id()); } remove_wait_queue(event, is_valid); destroy_rpc_event(event); } else { TBSYS_LOG(WARN, "pop result from finish queue failed:request[%lu], event[%p], ret[%d]", request_id_, event, ret); } size = finish_queue_.size(); } return ret; }
// by the tbnet thread so lightweight int ObMergerRequest::signal(ObMergerRpcEvent & event) { // only push to the finish_queue not check request id or in wait queue int ret = OB_SUCCESS; if (request_id_ != event.get_client_id()) { TBSYS_LOG(INFO , "the event we do not expect from server, " "event[%ld], client[%ld], current client[%ld], session id[%ld], rcode[%d]", event.get_event_id(), event.get_client_id(), request_id_, event.get_session_id(), event.get_result_code()); ret = OB_INVALID_ERROR; } else { ret = finish_queue_.push(&event); } if (ret != OB_SUCCESS) { if (OB_INVALID_ERROR != ret) { TBSYS_LOG(ERROR, "push to finish queue failed:client[%lu], event[%lu], " "request[%lu], finish_size[%ld], ret[%d]", event.get_client_id(), event.get_event_id(), request_id_, finish_queue_.size(), ret); } else if (OB_INVALID_ERROR == ret && OB_SUCCESS == event.get_result_code() && event.get_session_id() > ObCommonRpcEvent::INVALID_SESSION_ID) { terminate_remote_session(event.get_server(), event.get_session_id()); TBSYS_LOG(INFO,"end unexpect session [client:%ld, session_id:%lu]", event.get_client_id(), event.get_session_id()); } bool is_valid = false; remove_wait_queue(&event, is_valid); destroy_rpc_event(&event); } else { TBSYS_LOG(DEBUG, "push to finish queue succ:client[%lu], event[%lu], request[%lu]", event.get_client_id(), event.get_event_id(), request_id_); } return ret; }
int ObGetRequestEvent::check_request_finish(ObMergerRpcEvent & event, bool & finish) { finish = false; bool retry = false; int ret = OB_SUCCESS; ObGetParam new_param; int32_t result_code = OB_SUCCESS; ObScanner & result = event.get_result(result_code); int64_t timeout = 0; const ObGetParam * org_param = dynamic_cast<const ObGetParam *>(get_request_param(timeout)); if (NULL == org_param) { ret = OB_INPUT_PARAM_ERROR; TBSYS_LOG(WARN, "check result code error:result[%d], request[%lu], event[%lu], param[%p]", event.get_result_code(), get_request_id(), event.get_event_id(), org_param); } else if (result_code != OB_SUCCESS) { // TODO retry next server or delete the cache item and terminate if retry too many times retry = true; result.clear(); // set fullfill to true item count = 0 for next get new param result.set_is_req_fullfilled(true, 0); TBSYS_LOG(INFO, "check result code failed:result[%d], request[%lu], event[%lu]", event.get_result_code(), get_request_id(), event.get_event_id()); } else { // right now no duplicated rpc event and all is in-sequence return // add to result list for iterator ret = result_list_.push_back(&event); if (ret != OB_SUCCESS) { result.clear(); result.set_is_req_fullfilled(true, 0); TBSYS_LOG(ERROR, "push the result failed:request[%lu], event[%lu], ret[%d]", get_request_id(), event.get_event_id(), ret); } else { FILL_TRACE_LOG("got one result from cs finished_sub_get_count[%d]", result_list_.size()); } } // update the returned item count and construct the new param if not finish all ret = get_next_param(*org_param, result, returned_item_count_, finish, &new_param); if (ret != OB_SUCCESS) { TBSYS_LOG(ERROR, "get next param failed:request[%lu], event[%lu], ret[%d]", get_request_id(), event.get_event_id(), ret); } if ((false == finish) && (OB_SUCCESS == ret)) { ret = setup_new_request(retry, new_param); if (ret != OB_SUCCESS) { TBSYS_LOG(WARN, "setup new request failed:request[%lu], event[%lu], ret[%d]", get_request_id(), event.get_event_id(), ret); } } return ret; }