SonicClientBase.h

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#ifndef HeterogeneousCore_SonicCore_SonicClientBase
#define HeterogeneousCore_SonicCore_SonicClientBase
 
#include "FWCore/ParameterSet/interface/ParameterSet.h"
#include "FWCore/ParameterSet/interface/ParameterSetDescription.h"
#include "FWCore/Concurrency/interface/WaitingTaskWithArenaHolder.h"
#include "FWCore/MessageLogger/interface/MessageLogger.h"
#include "HeterogeneousCore/SonicCore/interface/SonicDispatcher.h"
#include "HeterogeneousCore/SonicCore/interface/SonicDispatcherPseudoAsync.h"
 
#include <string>
#include <chrono>
#include <exception>
#include <memory>
#include <optional>
 
enum class SonicMode { Sync = 1, Async = 2, PseudoAsync = 3 };
 
class SonicClientBase {
public:
  //constructor
  SonicClientBase(const edm::ParameterSet& params);
 
  //destructor
  virtual ~SonicClientBase() = default;
 
  void setDebugName(const std::string& debugName);
  const std::string& debugName() const { return debugName_; }
  const std::string& clientName() const { return clientName_; }
  SonicMode mode() const { return mode_; }
 
  //main operation
  virtual void dispatch(edm::WaitingTaskWithArenaHolder holder) { dispatcher_->dispatch(std::move(holder)); }
 
  //alternate operation when ExternalWork is not used
  virtual void dispatch() { dispatcher_->dispatch(); }
 
  //helper: does nothing by default
  virtual void reset() {}
 
  //provide base params
  static void fillBasePSetDescription(edm::ParameterSetDescription& desc, bool allowRetry = true);
 
protected:
  virtual void evaluate() = 0;
 
  void start(edm::WaitingTaskWithArenaHolder holder);
 
  void start();
 
  void finish(bool success, std::exception_ptr eptr = std::exception_ptr{});
 
  //members
  SonicMode mode_;
  std::unique_ptr<SonicDispatcher> dispatcher_;
  unsigned allowedTries_, tries_;
  std::optional<edm::WaitingTaskWithArenaHolder> holder_;
 
  //for logging/debugging
  std::string clientName_, debugName_, fullDebugName_;
  std::chrono::time_point<std::chrono::high_resolution_clock> t0_;
 
  friend class SonicDispatcher;
  friend class SonicDispatcherPseudoAsync;
};
 
#endif