FrameErrorRegistry.hpp

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#ifndef DATAHANDLINGLIBS_INCLUDE_DATAHANDLINGLIBS_FRAMEERRORREGISTRY_HPP_
#define DATAHANDLINGLIBS_INCLUDE_DATAHANDLINGLIBS_FRAMEERRORREGISTRY_HPP_
 
#include "DataHandlingIssues.hpp"
 
#include <cstdint> // uint_t types
#include <map>
#include <mutex>
#include <utility>
#include <string>
 
namespace dunedaq {
namespace datahandlinglibs {
 
class FrameErrorRegistry
{
public:
  struct ErrorInterval
  {
  public:
    ErrorInterval(uint64_t start_ts, uint64_t end_ts) // NOLINT(build/unsigned)
      : start_ts(start_ts)
      , end_ts(end_ts)
    {}
 
    uint64_t start_ts; // NOLINT(build/unsigned)
    uint64_t end_ts;   // NOLINT(build/unsigned)
 
    bool operator<(const ErrorInterval& other) const { return end_ts < other.end_ts; }
 
    bool operator>(const ErrorInterval& other) const { return end_ts > other.end_ts; }
  };
 
  FrameErrorRegistry()
    : m_errors()
  {}
 
  void set_ers_metadata(const std::string& ers_metadata)
  {
    m_ers_metadata = ers_metadata;
  }
 
  void add_error(std::string error_name, ErrorInterval error)
  {
    std::lock_guard<std::mutex> guard(m_error_map_mutex);
    m_errors.erase(error_name);
    m_errors.insert(std::make_pair(error_name, error));
  }
 
  void remove_errors_until(uint64_t ts) // NOLINT(build/unsigned)
  {
    std::lock_guard<std::mutex> guard(m_error_map_mutex);
    for (auto it = m_errors.begin(); it != m_errors.end();) {
      if (ts > it->second.end_ts) {
        std::string error_name = it->first;
        it = m_errors.erase(it);
        ers::info(ClearedError(ERS_HERE, m_ers_metadata.value_or(""), error_name));
      } else {
        it++;
      }
    }
  }
 
  void log_registered_errors() {
    std::lock_guard<std::mutex> guard(m_error_map_mutex);
    for (const auto& [error_name, _] : m_errors) {
      ers::warning(NewErrorRegistered(ERS_HERE, m_ers_metadata.value_or(""), error_name));
    }
  }
 
  bool has_error(std::string error_name) { return m_errors.find(error_name) != m_errors.end(); }
 
  bool has_error() { return !m_errors.empty(); }
 
private:
std::map<std::string, ErrorInterval> m_errors;
std::mutex m_error_map_mutex;
std::optional<std::string> m_ers_metadata;
};
 
} // namespace datahandlinglibs
} // namespace dunedaq
 
#endif // DATAHANDLINGLIBS_INCLUDE_DATAHANDLINGLIBS_FRAMEERRORREGISTRY_HPP_