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::setup_new_request(const bool retry, const ObGetParam & get_param)
{
int ret = OB_SUCCESS;
ObMergerRpcEvent * event = NULL;
// step 1. create new rpc event and add to the waiting queue
if (false == check_inner_stat())
{
ret = OB_INNER_STAT_ERROR;
TBSYS_LOG(WARN, "check inner stat failed");
}
else
{
ret = ObMergerRequestEvent::create(&event);
if (ret != OB_SUCCESS)
{
TBSYS_LOG(ERROR, "add new rpc event failed:request[%lu], ret[%d]", get_request_id(), ret);
}
}
// TODO check retry with other cs
UNUSED(retry);
ObMergerTabletLocationList list;
// step 3. select the right cs for request
if ((OB_SUCCESS == ret)) // && (false == retry))
{
ret = get_cache_proxy()->get_tablet_location(get_param[0]->table_id_, get_param[0]->row_key_, list);
if (ret != OB_SUCCESS)
{
TBSYS_LOG(WARN, "get tablet location failed:client[%lu], event[%lu], request[%lu], ret[%d]",
event->get_client_id(), event->get_event_id(), get_request_id(), ret);
}
}
// step 4. send reqeust for get
if (OB_SUCCESS == ret)
{
// TODO access list[0]
event->set_server(list[0].server_.chunkserver_);
ret = get_rpc()->get(get_timeout(), list[0].server_.chunkserver_, get_param, *event);
if (ret != OB_SUCCESS)
{
TBSYS_LOG(ERROR, "check async rpc stub failed:client[%lu], event[%lu], request[%lu], ret[%d]",
event->get_client_id(), event->get_event_id(), get_request_id(), ret);
}
else
{
TBSYS_LOG(DEBUG, "send get param to server succ:client[%lu], event[%lu], request[%lu], "
"get_cell[%ld]", event->get_client_id(), event->get_event_id(), get_request_id(),
get_param.get_cell_size());
}
}
/// if not send succ
if ((event != NULL) && (ret != OB_SUCCESS))
{
uint64_t client_id = event->get_client_id();
uint64_t event_id = event->get_event_id();
int err = ObMergerRequestEvent::destroy(event);
if (err != OB_SUCCESS)
{
TBSYS_LOG(ERROR, "destroy the event failed when rpc send failed:client[%lu], event[%lu], "
"request[%lu], ret[%d], err[%d]", client_id, event_id, get_request_id(), ret, err);
}
else
{
TBSYS_LOG(INFO, "destroy directly succ:client[%lu], event[%lu], request[%lu], ret[%d]",
client_id, event_id, get_request_id(), ret);
}
}
return ret;
}