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// Copyright Vespa.ai. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
#pragma once
#include "i_shared_threading_service.h"
#include "shared_threading_service_config.h"
#include <vespa/vespalib/util/threadexecutor.h>
#include <vespa/vespalib/util/syncable.h>
#include <memory>
namespace vespalib {
class IDestructorCallback;
}
namespace proton {
/**
* Class containing the thread executors that are shared across all document dbs.
*/
class SharedThreadingService : public ISharedThreadingService {
private:
using Registration = std::unique_ptr<vespalib::IDestructorCallback>;
FNET_Transport & _transport;
std::shared_ptr<vespalib::SyncableThreadExecutor> _shared;
std::unique_ptr<vespalib::ISequencedTaskExecutor> _field_writer;
std::unique_ptr<vespalib::InvokeService> _invokeService;
std::vector<Registration> _invokeRegistrations;
storage::spi::BucketExecutor& _bucket_executor;
public:
SharedThreadingService(const SharedThreadingServiceConfig& cfg,
FNET_Transport& transport,
storage::spi::BucketExecutor& bucket_executor);
~SharedThreadingService() override;
std::shared_ptr<vespalib::Executor> shared_raw() { return _shared; }
void sync_all_executors();
vespalib::ThreadExecutor& shared() override { return *_shared; }
vespalib::ISequencedTaskExecutor& field_writer() override { return *_field_writer; }
vespalib::InvokeService & invokeService() override { return *_invokeService; }
FNET_Transport & transport() override { return _transport; }
storage::spi::BucketExecutor& bucket_executor() override { return _bucket_executor; }
const std::atomic<vespalib::steady_time> & nowRef() const override;
};
}
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