ImageIOManager::ImageIOManager()
{
AddIO(new BMPImageIO());
}
bool EventLoopL::Prepare()
{
_DBG("EventLoopL::Prepare");
if(!EventConfig_)
{
EventConfig_ = event_config_new();
}
if(!EventConfig_)
{
throwSystemError("event_config_new allocate fail!");
}
//event_config_avoid_method(EventConfig_, "select");//avoid select
//event_config_avoid_method(EventConfig_, "poll");//avoid poll
if(0 != event_config_require_features(EventConfig_, EV_FEATURE_O1))//EV_FEATURE_ET ?
{
_ERR("set event config feature fail!");
return false;
}
if(0 != event_config_set_flag(EventConfig_, EVENT_BASE_FLAG_NOLOCK))
{
_ERR("set event config flag fail!");
return false;
}
if(!EventBase_)
{
EventBase_ = event_base_new_with_config(EventConfig_);
}
if(!EventBase_)
{
throwSystemError("event_base_new_with_config allocate fail!");
return false;
}
_DBG("Current used method : %s", event_base_get_method(EventBase_));
for(auto &data : Datas_)
{
if(data)
{
std::shared_ptr<IO> io(data->io.lock());
if(!io)
{
_WRN("This io %d is not exist!", io->Index());
continue;
}
if(io->Index() < 0)
{
_ERR("This IO has been removed!");
continue;
}
if(data->ev)
{
event_del(data->ev);
event_free(data->ev);
data->ev = NULL;
}
event* ev = event_new(EventBase_, io->Fd(), io->Condition(), CEventCallBack, (void*)&(data->fn));
_DBG("Add io %p(index : %d fd : %d cond : %d)", ev, io->Index(), io->Fd(), io->Condition());
if(ev == NULL)
{
_ERR("event_new fail, index %d", io->Index());
continue;
}
data->ev = ev;
if(event_add(ev, NULL))
{
_ERR("event_add fail, index %d!", io->Index());
continue;
}
}
}
int evtfd = eventfd(0, EFD_NONBLOCK | EFD_CLOEXEC);
if (evtfd < 0)
{
_ERR("Get eventfd fail!");
return false;
}
Wakeup_.reset(new IO(evtfd, EV_READ | EV_PERSIST));
Wakeup_->SetCallback(std::bind(&EventLoopL::quitAsync, this, std::placeholders::_1));
AddIO(Wakeup_);
return true;
}
