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#pragma once
#include "actor.h"
#include "event_local.h"
#include "events.h"
#include "actorsystem.h"
#include "executor_thread.h"
#include "executelater.h"
namespace NActors {
struct TEvInvokeQuery : TEventLocal<TEvInvokeQuery, TEvents::TSystem::InvokeQuery> {
std::function<void()> Callback;
TEvInvokeQuery(std::function<void()>&& callback)
: Callback(std::move(callback))
{}
};
inline TActorId MakeIoDispatcherActorId() {
return TActorId(0, TStringBuf("IoDispatcher", 12));
}
extern IActor *CreateIoDispatcherActor(const NMonitoring::TDynamicCounterPtr& counters);
/* InvokeIoCallback enqueues callback() to be executed in IO thread pool and then return result in TEvInvokeResult
* message to parentId actor.
*/
template<typename TCallback>
static void InvokeIoCallback(TCallback&& callback, ui32 poolId, IActor::EActivityType activityType) {
if (!TActivationContext::Send(new IEventHandle(MakeIoDispatcherActorId(), TActorId(),
new TEvInvokeQuery(callback)))) {
TActivationContext::Register(CreateExecuteLaterActor(std::move(callback), activityType), TActorId(),
TMailboxType::HTSwap, poolId);
}
}
} // NActors
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