/**
* @file Trace.hpp
* @author The PARADEVS Development Team
* See the AUTHORS or Authors.txt file
*/
/*
* PARADEVS - the multimodeling and simulation environment
* This file is a part of the PARADEVS environment
*
* Copyright (C) 2013-2016 ULCO http://www.univ-littoral.fr
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see .
*/
#ifndef COMMON_UTILS_TRACE
#define COMMON_UTILS_TRACE 1
#include
#include
#include
#include
#include
#include
#include
namespace paradevs { namespace common {
enum TraceType { NONE = 0, I_MESSAGE, POST_EVENT, S_MESSAGE, Y_MESSAGE,
DELTA_INT, DELTA_EXT, DELTA_CONF, TA, LAMBDA, START, OUTPUT };
template < class Time >
class TraceElement
{
public:
TraceElement() : _time(Time::null), _type(NONE)
{ }
TraceElement(const std::string& model_name, typename Time::type time,
TraceType type) :
_model_name(model_name), _time(time), _type(type)
{ }
virtual ~TraceElement()
{ }
const std::string& get_comment() const
{ return _comment; }
const std::string& get_model_name() const
{ return _model_name; }
typename Time::type get_time() const
{ return _time; }
TraceType get_type() const
{ return _type; }
void set_comment(const std::string& comment)
{ _comment = comment; }
private:
std::string _model_name;
typename Time::type _time;
TraceType _type;
std::string _comment;
};
template < class Time >
class TraceElements : public std::vector < TraceElement < Time > >
{
public:
TraceElements()
{ }
virtual ~TraceElements()
{ }
TraceElements filter_model_name(
const std::string& model_name) const
{
TraceElements < Time > result;
std::copy_if(TraceElements < Time >::begin(),
TraceElements < Time >::end(), std::back_inserter(result),
[model_name](TraceElement < Time > const & x)
{ return x.get_model_name() == model_name; });
return result;
}
TraceElements filter_time(typename Time::type time) const
{
TraceElements result;
std::copy_if(TraceElements < Time >::begin(),
TraceElements < Time >::end(), std::back_inserter(result),
[time](TraceElement < Time > const & x)
{ return x.get_time() == time; });
return result;
}
TraceElements filter_type(TraceType type) const
{
TraceElements result;
std::copy_if(TraceElements < Time >::begin(),
TraceElements < Time >::end(), std::back_inserter(result),
[type](TraceElement < Time > const & x)
{ return x.get_type() == type; });
return result;
}
std::string to_string() const
{
std::ostringstream ss;
for (typename TraceElements < Time >::const_iterator it =
TraceElements < Time >::begin();
it != TraceElements < Time >::end(); ++it) {
ss << "TRACE: " << it->get_model_name() << " at "
<< it->get_time() << " <";
switch (it->get_type())
{
case NONE: ss << "none"; break;
case I_MESSAGE: ss << "i_message"; break;
case POST_EVENT: ss << "post_event"; break;
case S_MESSAGE: ss << "s_message"; break;
case Y_MESSAGE: ss << "y_message"; break;
case DELTA_INT: ss << "delta_int"; break;
case DELTA_EXT: ss << "delta_ext"; break;
case DELTA_CONF: ss << "delta_conf"; break;
case TA: ss << "ta"; break;
case LAMBDA: ss << "lambda"; break;
case START: ss << "start"; break;
case OUTPUT: ss << "output"; break;
};
ss << ">";
if (not it->get_comment().empty()) {
ss << " => " << it->get_comment();
}
ss << std::endl;
}
return ss.str();
}
};
template < class Time >
class Trace
{
public:
virtual ~Trace()
{ }
static Trace& trace()
{
std::call_once(_flag, [] ()
{ _instance.reset(new Trace()); }
);
return *_instance;
}
void clear()
{ _trace.clear(); }
const TraceElements < Time >& elements() const
{ return _trace; }
void flush()
{
if (_sstream) {
_element.set_comment(_sstream->str());
delete _sstream;
_sstream = 0;
}
_trace.push_back(_element);
}
std::mutex& mutex()
{ return _mutex; }
void set_element(const TraceElement < Time >& element)
{ _element = element; }
std::ostringstream& sstream()
{
if (_sstream == 0) {
_sstream = new std::ostringstream();
}
return *_sstream;
}
private:
Trace()
{ _sstream = 0; }
static std::shared_ptr < Trace < Time > > _instance;
static std::once_flag _flag;
TraceElements < Time > _trace;
TraceElement < Time > _element;
std::ostringstream* _sstream;
std::mutex _mutex;
};
} } // namespace paradevs common
template < class Time >
paradevs::common::Trace < Time >& operator<<(
paradevs::common::Trace < Time >& trace,
const paradevs::common::TraceElement < Time >& e)
{
std::lock_guard < std::mutex > lock(trace.mutex());
trace.set_element(e);
return trace;
}
template < class Time >
paradevs::common::Trace < Time >& operator<<(
paradevs::common::Trace < Time >& trace,
const std::string& str)
{
std::lock_guard < std::mutex > lock(trace.mutex());
trace.sstream() << str;
return trace;
}
template < class Time >
paradevs::common::Trace < Time >& operator<<(
paradevs::common::Trace < Time >& trace,
typename Time::type t)
{
std::lock_guard < std::mutex > lock(trace.mutex());
trace.sstream() << t;
return trace;
}
template < class Time >
std::shared_ptr < paradevs::common::Trace < Time > >
paradevs::common::Trace < Time >::_instance = nullptr;
template < class Time >
std::once_flag paradevs::common::Trace < Time >::_flag;
#endif