CounterScope.hpp

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// ANNA - Anna is Not Nothingness Anymore                                                         //
//                                                                                                //
// (c) Copyright 2005-2015 Eduardo Ramos Testillano & Francisco Ruiz Rayo                         //
//                                                                                                //
// See project site at http://redmine.teslayout.com/projects/anna-suite                           //
// See accompanying file LICENSE or copy at http://www.teslayout.com/projects/public/anna.LICENSE //


#ifndef anna_core_oam_CounterScope_hpp
#define anna_core_oam_CounterScope_hpp

#include <anna/core/functions.hpp>
#include <anna/core/RuntimeException.hpp>
#include <anna/core/mt/Mutex.hpp>

#include <anna/core/oam/Counter.hpp>

namespace anna {

class Guard;

namespace xml {
class Node;
}

namespace oam {


class CounterScope  : public Mutex {
public:

  static const int MaxCounter = 1000; 
  ~CounterScope();

  const std::string& getName() const { return a_name; }

  const int getId() const { return a_id; }

  void create(const int counter, const char* name) noexcept(false);

  std::string asString() const ;

  xml::Node* asXML(xml::Node* parent) const noexcept(false);

protected:
  Counter::type_t increment(const int counter, const Counter::type_t value) noexcept(false);

  Counter::type_t assign(const int counter, const Counter::type_t value) noexcept(false);

  Counter::type_t getValue(const int counter) const noexcept(false);

  const Counter* getCounter(const int counter) const noexcept(false);

public:

  U64 getAccValue(const int counter) const noexcept(false);

  int resetAccValues() noexcept(false);

private:
  const int a_id;
  const std::string a_name;
  Counter* a_counters [MaxCounter];

  CounterScope(const int id, const char* name) :
    Mutex(Mutex::Mode::Recursive),
    a_id(id),
    a_name(name) {
    anna_memset(a_counters, 0, sizeof(a_counters));
  }

  friend class Safe;
  friend class Handler;
  friend class Module;
};

}
}

#endif