log.hh

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#ifndef LOG_HH
#define LOG_HH
 
#include <exception>
#include <pqxx/pqxx>
#include <string>
 
#include "prod.hh"
#include "dut.hh"
 
struct logger {
  virtual void generated(prod &query) {(void)query; }
  virtual void executed(prod &query) {(void)query; }
  virtual void error(prod &query, const dut::failure &e) {
    (void)query, (void)e;
  }
};
 
struct query_dumper : logger {
  virtual void generated(prod &query) {
       query.out(std::cout);
       std::cout << ";" << std::endl;
  }
};
 
struct stats_collecting_logger : logger {
  long queries = 0;
  float sum_nodes = 0;
  float sum_height = 0;
  float sum_retries = 0;
  virtual void generated(prod &query);
};
 
struct cerr_logger : stats_collecting_logger {
  const int columns = 80;
  std::map<std::string, long> errors;
  virtual void report();
  virtual void generated(prod &query);
  virtual void executed(prod &query);
  virtual void error(prod &query, const dut::failure &e);
  void report(prod &p);
};
 
struct pqxx_logger : stats_collecting_logger {
  long id;
  std::shared_ptr<pqxx::connection> c;
  pqxx_logger(std::string target, std::string conninfo, struct schema &s);
  virtual void generated(prod &query);
  virtual void error(prod &query, const dut::failure &e);
};
 
#endif