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// Copyright Epic Games, Inc. All Rights Reserved.
#include "functionrunner.h"
#if ZEN_WITH_COMPUTE_SERVICES
# include <zencore/compactbinary.h>
# include <zencore/filesystem.h>
# include <fmt/format.h>
# include <vector>
namespace zen::compute {
FunctionRunner::FunctionRunner(std::filesystem::path BasePath) : m_ActionsPath(BasePath / "actions")
{
}
FunctionRunner::~FunctionRunner() = default;
size_t
FunctionRunner::QueryCapacity()
{
return 1;
}
std::vector<SubmitResult>
FunctionRunner::SubmitActions(const std::vector<Ref<RunnerAction>>& Actions)
{
std::vector<SubmitResult> Results;
Results.reserve(Actions.size());
for (const Ref<RunnerAction>& Action : Actions)
{
Results.push_back(SubmitAction(Action));
}
return Results;
}
void
FunctionRunner::MaybeDumpAction(int ActionLsn, const CbObject& ActionObject)
{
if (m_DumpActions)
{
std::string UniqueId = fmt::format("{}.ddb", ActionLsn);
std::filesystem::path Path = m_ActionsPath / UniqueId;
zen::WriteFile(Path, IoBuffer(ActionObject.GetBuffer().AsIoBuffer()));
}
}
//////////////////////////////////////////////////////////////////////////
RunnerAction::RunnerAction(FunctionServiceSession* OwnerSession) : m_OwnerSession(OwnerSession)
{
this->Timestamps[static_cast<int>(State::New)] = DateTime::Now().GetTicks();
}
RunnerAction::~RunnerAction()
{
}
void
RunnerAction::SetActionState(State NewState)
{
ZEN_ASSERT(NewState < State::_Count);
this->Timestamps[static_cast<int>(NewState)] = DateTime::Now().GetTicks();
do
{
if (State CurrentState = m_ActionState.load(); CurrentState == NewState)
{
// No state change
return;
}
else
{
if (NewState <= CurrentState)
{
// Cannot transition to an earlier or same state
return;
}
if (m_ActionState.compare_exchange_strong(CurrentState, NewState))
{
// Successful state change
m_OwnerSession->PostUpdate(this);
return;
}
}
} while (true);
}
void
RunnerAction::SetResult(CbPackage&& Result)
{
m_Result = std::move(Result);
}
CbPackage&
RunnerAction::GetResult()
{
ZEN_ASSERT(IsCompleted());
return m_Result;
}
} // namespace zen::compute
#endif // ZEN_WITH_COMPUTE_SERVICES
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