ConnectionInfoPublisher.hpp

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#pragma once
#include <string>
#include <string_view>
#include <utility>
 
#include "logging/Logger.hpp"
#include "precice/impl/Types.hpp"
 
namespace precice::com {
 
namespace impl {

std::string hashedFilePath(std::string_view acceptorName, std::string_view requesterName, std::string_view meshName, Rank rank);

std::string localDirectory(std::string_view acceptorName, std::string_view requesterName, std::string_view addressDirectory);
} // namespace impl
 
class ConnectionInfoPublisher {
public:
  ConnectionInfoPublisher(std::string_view acceptorName,
                          std::string_view requesterName,
                          std::string_view tag,
                          int              rank,
                          std::string_view addressDirectory) noexcept
      : acceptorName(acceptorName),
        requesterName(requesterName),
        tag(tag),
        rank(rank),
        addressDirectory(addressDirectory)
  {
  }
 
  ConnectionInfoPublisher(std::string_view acceptorName,
                          std::string_view requesterName,
                          std::string_view tag,
                          std::string_view addressDirectory) noexcept
      : acceptorName(acceptorName),
        requesterName(requesterName),
        tag(tag),
        addressDirectory(addressDirectory)
  {
  }
 
protected:
  std::string const acceptorName;
  std::string const requesterName;
  std::string const tag;
  int const         rank = -1;
  std::string const addressDirectory;

  std::string getLocalDirectory() const;

  std::string getFilename() const;
 
  mutable logging::Logger _log{"com::ConnectionInfoPublisher"};
};

class ConnectionInfoReader : public ConnectionInfoPublisher {
public:
  ConnectionInfoReader(std::string_view acceptorName,
                       std::string_view requesterName,
                       std::string_view tag,
                       int              rank,
                       std::string_view addressDirectory) noexcept
      : ConnectionInfoPublisher(acceptorName, requesterName, tag, rank, addressDirectory)
  {
  }
 
  ConnectionInfoReader(std::string_view acceptorName,
                       std::string_view requesterName,
                       std::string_view tag,
                       std::string_view addressDirectory) noexcept
      : ConnectionInfoPublisher(acceptorName, requesterName, tag, addressDirectory)
  {
  }

  std::string read() const;
};


class ConnectionInfoWriter : public ConnectionInfoPublisher {
public:
  ConnectionInfoWriter(std::string_view acceptorName,
                       std::string_view requesterName,
                       std::string_view tag,
                       int              rank,
                       std::string_view addressDirectory) noexcept
      : ConnectionInfoPublisher(acceptorName, requesterName, tag, rank, addressDirectory)
  {
  }
 
  ConnectionInfoWriter(std::string_view acceptorName,
                       std::string_view requesterName,
                       std::string_view tag,
                       std::string_view addressDirectory) noexcept
      : ConnectionInfoPublisher(acceptorName, requesterName, tag, addressDirectory)
  {
  }

  ~ConnectionInfoWriter();


  void write(std::string_view info) const;
};
 
} // namespace precice::com