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#include "actor.h"
#include "actor_virtual.h"
#include "actorsystem.h"
#include "executor_thread.h"
#include <library/cpp/actors/util/datetime.h>
namespace NActors {
Y_POD_THREAD(TThreadContext*) TlsThreadContext(nullptr);
Y_POD_THREAD(TActivationContext*) TlsActivationContext(nullptr);
template<i64 Increment>
static void UpdateQueueSizeAndTimestamp(TActorUsageImpl<true>& impl, ui64 time) {
ui64 usedTimeIncrement = 0;
using T = TActorUsageImpl<true>;
for (;;) {
uint64_t value = impl.QueueSizeAndTimestamp.load();
ui64 count = value >> T::TimestampBits;
count += Increment;
Y_ABORT_UNLESS((count & ~T::CountMask) == 0);
ui64 timestamp = value;
if (Increment == 1 && count == 1) {
timestamp = time;
} else if (Increment == -1 && count == 0) {
usedTimeIncrement = (static_cast<ui64>(time) - timestamp) & T::TimestampMask;
timestamp = 0; // reset timestamp to some zero value
}
const ui64 updated = (timestamp & T::TimestampMask) | (count << T::TimestampBits);
if (impl.QueueSizeAndTimestamp.compare_exchange_weak(value, updated)) {
break;
}
}
if (usedTimeIncrement && impl.LastUsageTimestamp <= time) {
impl.UsedTime += usedTimeIncrement;
}
}
void TActorUsageImpl<true>::OnEnqueueEvent(ui64 time) {
UpdateQueueSizeAndTimestamp<+1>(*this, time);
}
void TActorUsageImpl<true>::OnDequeueEvent() {
UpdateQueueSizeAndTimestamp<-1>(*this, GetCycleCountFast());
}
double TActorUsageImpl<true>::GetUsage(ui64 time) {
ui64 used = UsedTime.exchange(0);
if (const ui64 value = QueueSizeAndTimestamp.load(); value >> TimestampBits) {
used += (static_cast<ui64>(time) - value) & TimestampMask;
}
Y_ABORT_UNLESS(LastUsageTimestamp <= time);
ui64 passed = time - LastUsageTimestamp;
LastUsageTimestamp = time;
if (!passed) {
return 0;
}
return (double)Min(passed, used) / passed;
}
void IActor::Describe(IOutputStream &out) const noexcept {
SelfActorId.Out(out);
}
bool IActor::Send(TAutoPtr<IEventHandle> ev) const noexcept {
return TActivationContext::Send(ev);
}
bool IActor::Send(const TActorId& recipient, IEventBase* ev, ui32 flags, ui64 cookie, NWilson::TTraceId traceId) const noexcept {
return SelfActorId.Send(recipient, ev, flags, cookie, std::move(traceId));
}
void TActivationContext::Schedule(TInstant deadline, TAutoPtr<IEventHandle> ev, ISchedulerCookie* cookie) {
TlsActivationContext->ExecutorThread.Schedule(deadline, ev, cookie);
}
void TActivationContext::Schedule(TMonotonic deadline, TAutoPtr<IEventHandle> ev, ISchedulerCookie* cookie) {
TlsActivationContext->ExecutorThread.Schedule(deadline, ev, cookie);
}
void TActivationContext::Schedule(TDuration delta, TAutoPtr<IEventHandle> ev, ISchedulerCookie* cookie) {
TlsActivationContext->ExecutorThread.Schedule(delta, ev, cookie);
}
void TActorIdentity::Schedule(TInstant deadline, IEventBase* ev, ISchedulerCookie* cookie) const {
return TActivationContext::Schedule(deadline, new IEventHandle(*this, {}, ev), cookie);
}
void TActorIdentity::Schedule(TMonotonic deadline, IEventBase* ev, ISchedulerCookie* cookie) const {
return TActivationContext::Schedule(deadline, new IEventHandle(*this, {}, ev), cookie);
}
void TActorIdentity::Schedule(TDuration delta, IEventBase* ev, ISchedulerCookie* cookie) const {
return TActivationContext::Schedule(delta, new IEventHandle(*this, {}, ev), cookie);
}
TActorId TActivationContext::RegisterWithSameMailbox(IActor* actor, TActorId parentId) {
Y_DEBUG_ABORT_UNLESS(parentId);
auto& ctx = *TlsActivationContext;
return ctx.ExecutorThread.RegisterActor(actor, &ctx.Mailbox, parentId.Hint(), parentId);
}
TActorId TActorContext::RegisterWithSameMailbox(IActor* actor) const {
return ExecutorThread.RegisterActor(actor, &Mailbox, SelfID.Hint(), SelfID);
}
TActorId IActor::RegisterWithSameMailbox(IActor* actor) const noexcept {
return TlsActivationContext->ExecutorThread.RegisterActor(actor, &TlsActivationContext->Mailbox, SelfActorId.Hint(), SelfActorId);
}
TActorId TActivationContext::InterconnectProxy(ui32 destinationNodeId) {
return TlsActivationContext->ExecutorThread.ActorSystem->InterconnectProxy(destinationNodeId);
}
TActorSystem* TActivationContext::ActorSystem() {
return TlsActivationContext->ExecutorThread.ActorSystem;
}
i64 TActivationContext::GetCurrentEventTicks() {
return GetCycleCountFast() - TlsActivationContext->EventStart;
}
double TActivationContext::GetCurrentEventTicksAsSeconds() {
return NHPTimer::GetSeconds(GetCurrentEventTicks());
}
TActorId IActor::Register(IActor* actor, TMailboxType::EType mailboxType, ui32 poolId) const noexcept {
return TlsActivationContext->ExecutorThread.RegisterActor(actor, mailboxType, poolId, SelfActorId);
}
void TActorContext::Schedule(TInstant deadline, IEventBase* ev, ISchedulerCookie* cookie) const {
ExecutorThread.Schedule(deadline, new IEventHandle(SelfID, TActorId(), ev), cookie);
}
void TActorContext::Schedule(TMonotonic deadline, IEventBase* ev, ISchedulerCookie* cookie) const {
ExecutorThread.Schedule(deadline, new IEventHandle(SelfID, TActorId(), ev), cookie);
}
void TActorContext::Schedule(TDuration delta, IEventBase* ev, ISchedulerCookie* cookie) const {
ExecutorThread.Schedule(delta, new IEventHandle(SelfID, TActorId(), ev), cookie);
}
void IActor::Schedule(TInstant deadline, IEventBase* ev, ISchedulerCookie* cookie) const noexcept {
TlsActivationContext->ExecutorThread.Schedule(deadline, new IEventHandle(SelfActorId, TActorId(), ev), cookie);
}
void IActor::Schedule(TMonotonic deadline, IEventBase* ev, ISchedulerCookie* cookie) const noexcept {
TlsActivationContext->ExecutorThread.Schedule(deadline, new IEventHandle(SelfActorId, TActorId(), ev), cookie);
}
void IActor::Schedule(TDuration delta, IEventBase* ev, ISchedulerCookie* cookie) const noexcept {
TlsActivationContext->ExecutorThread.Schedule(delta, new IEventHandle(SelfActorId, TActorId(), ev), cookie);
}
TInstant TActivationContext::Now() {
return TlsActivationContext->ExecutorThread.ActorSystem->Timestamp();
}
TMonotonic TActivationContext::Monotonic() {
return TlsActivationContext->ExecutorThread.ActorSystem->Monotonic();
}
TInstant TActorContext::Now() const {
return ExecutorThread.ActorSystem->Timestamp();
}
TMonotonic TActorContext::Monotonic() const {
return ExecutorThread.ActorSystem->Monotonic();
}
NLog::TSettings* TActivationContext::LoggerSettings() const {
return ExecutorThread.ActorSystem->LoggerSettings();
}
std::pair<ui32, ui32> TActorContext::CountMailboxEvents(ui32 maxTraverse) const {
return Mailbox.CountMailboxEvents(SelfID.LocalId(), maxTraverse);
}
std::pair<ui32, ui32> IActor::CountMailboxEvents(ui32 maxTraverse) const {
return TlsActivationContext->Mailbox.CountMailboxEvents(SelfActorId.LocalId(), maxTraverse);
}
void IActor::Die(const TActorContext& ctx) {
if (ctx.SelfID)
Y_ABORT_UNLESS(ctx.SelfID == SelfActorId);
PassAway();
}
void IActor::PassAway() {
auto& cx = *TlsActivationContext;
cx.ExecutorThread.UnregisterActor(&cx.Mailbox, SelfActorId);
}
double IActor::GetElapsedTicksAsSeconds() const {
return NHPTimer::GetSeconds(ElapsedTicks);
}
void TActorCallbackBehaviour::Receive(IActor* actor, TAutoPtr<IEventHandle>& ev) {
(actor->*StateFunc)(ev);
}
void TActorVirtualBehaviour::Receive(IActor* actor, std::unique_ptr<IEventHandle> ev) {
Y_ABORT_UNLESS(!!ev && ev->GetBase());
ev->GetBase()->Execute(actor, std::move(ev));
}
void IActor::Registered(TActorSystem* sys, const TActorId& owner) {
// fallback to legacy method, do not use it anymore
if (auto eh = AfterRegister(SelfId(), owner)) {
if (!TlsThreadContext || TlsThreadContext->SendingType == ESendingType::Common) {
sys->Send(eh);
} else {
sys->SpecificSend(eh);
}
}
}
}
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