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#include "DataFormats/Common/interface/Handle.h"
#include "DataFormats/TestObjects/interface/ToyProducts.h"
#include "FWCore/Concurrency/interface/WaitingTaskWithArenaHolder.h"
#include "FWCore/Framework/interface/Event.h"
#include "FWCore/Framework/interface/global/EDProducer.h"
#include "FWCore/Framework/interface/MakerMacros.h"
#include "FWCore/Framework/interface/PreallocationConfiguration.h"
#include "WaitingServer.h"
#include "FWCore/ParameterSet/interface/ParameterSet.h"
#include "FWCore/Utilities/interface/EDGetToken.h"
#include "FWCore/Utilities/interface/InputTag.h"
#include "FWCore/Utilities/interface/StreamID.h"
#include <memory>
#include <unistd.h>
#include <vector>
namespace edm {
class EventSetup;
}
namespace edmtest {
using namespace std::chrono_literals;
class AcquireIntProducer : public edm::global::EDProducer<edm::ExternalWork, edm::StreamCache<test_acquire::Cache>> {
public:
explicit AcquireIntProducer(edm::ParameterSet const& pset);
~AcquireIntProducer() override;
std::unique_ptr<test_acquire::Cache> beginStream(edm::StreamID) const override;
void acquire(edm::StreamID,
edm::Event const&,
edm::EventSetup const&,
edm::WaitingTaskWithArenaHolder) const override;
void produce(edm::StreamID, edm::Event&, edm::EventSetup const&) const override;
void endJob() override;
private:
void preallocate(edm::PreallocationConfiguration const&) override;
std::vector<edm::EDGetTokenT<IntProduct>> m_tokens;
edm::EDGetTokenT<IntProduct> m_tokenForProduce;
std::unique_ptr<test_acquire::WaitingServer> m_server;
const unsigned int m_numberOfStreamsToAccumulate;
const unsigned int m_secondsToWaitForWork;
};
AcquireIntProducer::AcquireIntProducer(edm::ParameterSet const& pset)
: m_numberOfStreamsToAccumulate(pset.getUntrackedParameter<unsigned int>("streamsToAccumulate", 8)),
m_secondsToWaitForWork(pset.getUntrackedParameter<unsigned int>("secondsToWaitForWork", 1)) {
for (auto const& tag : pset.getParameter<std::vector<edm::InputTag>>("tags")) {
m_tokens.emplace_back(consumes<IntProduct>(tag));
}
m_tokenForProduce = consumes<IntProduct>(pset.getParameter<edm::InputTag>("produceTag"));
produces<IntProduct>();
}
AcquireIntProducer::~AcquireIntProducer() {
if (m_server) {
m_server->stop();
}
}
void AcquireIntProducer::preallocate(edm::PreallocationConfiguration const& iPrealloc) {
m_server = std::make_unique<test_acquire::WaitingServer>(
iPrealloc.numberOfStreams(), m_numberOfStreamsToAccumulate, m_secondsToWaitForWork);
m_server->start();
}
std::unique_ptr<test_acquire::Cache> AcquireIntProducer::beginStream(edm::StreamID) const {
return std::make_unique<test_acquire::Cache>();
}
void AcquireIntProducer::acquire(edm::StreamID streamID,
edm::Event const& event,
edm::EventSetup const&,
edm::WaitingTaskWithArenaHolder holder) const {
std::this_thread::sleep_for(1s);
test_acquire::Cache* streamCacheData = streamCache(streamID);
streamCacheData->retrieved().clear();
streamCacheData->processed().clear();
for (auto const& token : m_tokens) {
streamCacheData->retrieved().push_back(event.get(token).value);
}
m_server->requestValuesAsync(
streamID.value(), &streamCacheData->retrieved(), &streamCacheData->processed(), holder);
}
void AcquireIntProducer::produce(edm::StreamID streamID, edm::Event& event, edm::EventSetup const&) const {
std::this_thread::sleep_for(1s);
int sum = 0;
for (auto v : streamCache(streamID)->processed()) {
sum += v;
}
event.put(std::make_unique<IntProduct>(sum));
// This part is here only for the Parentage test.
(void)event.get(m_tokenForProduce);
}
void AcquireIntProducer::endJob() {
if (m_server) {
m_server->stop();
}
m_server.reset();
}
} // namespace edmtest
using edmtest::AcquireIntProducer;
DEFINE_FWK_MODULE(AcquireIntProducer);
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