CatalogueFetcher.h

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#pragma once
 
#include "RegisterInfo.h"
 
#include <future>
#include <memory>
#include <string>
#include <utility>
 
class CatalogueFetcher {
 public:
  CatalogueFetcher(const std::string& serverAddress, std::future<void> cancelIndicator)
  : serverAddress_(serverAddress), cancelFlag_(std::move(cancelIndicator)) {}
 
  std::pair<DoocsBackendRegisterCatalogue, bool> fetch();
 
 private:
  std::string serverAddress_;
  std::future<void> cancelFlag_;
  DoocsBackendRegisterCatalogue catalogue_;
  bool locationLookupError_{false};
 
  void fillCatalogue(std::string fixedComponents, long level);
  bool isCancelled() const { return (cancelFlag_.wait_for(std::chrono::microseconds(0)) == std::future_status::ready); }
  bool checkZmqAvailability(const std::string& fullQualifiedName) const;
};