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- /**
- * @file utils/Trace.hpp
- * @author See the AUTHORS file
- */
- /*
- * Copyright (C) 2012-2019 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 <http://www.gnu.org/licenses/>.
- */
- #ifndef UTILS_TRACE
- #define UTILS_TRACE
- #include <algorithm>
- #include <iterator>
- #include <memory>
- #include <mutex>
- #include <sstream>
- #include <string>
- #include <vector>
- #include <artis/utils/DateTime.hpp>
- namespace artis {
- namespace utils {
- enum TraceType {
- NONE = 0, CHECK, COMPUTE, INIT, KERNEL, PUT
- };
- 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 "
- << utils::DateTime::toJulianDay(it->get_time()) << " <";
- switch (it->get_type()) {
- case NONE:
- ss << "none";
- break;
- case CHECK:
- ss << "check";
- break;
- case COMPUTE:
- ss << "compute";
- break;
- case INIT:
- ss << "init";
- break;
- case KERNEL:
- ss << "kernel";
- break;
- case PUT:
- ss << "put";
- 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;
- };
- }
- }
- template<class Time>
- artis::utils::Trace<Time>& operator<<(
- artis::utils::Trace<Time>& trace,
- const artis::utils::TraceElement<Time>& e)
- {
- std::lock_guard<std::mutex> lock(trace.mutex());
- trace.set_element(e);
- return trace;
- }
- template<class Time>
- artis::utils::Trace<Time>& operator<<(
- artis::utils::Trace<Time>& trace,
- const std::string& str)
- {
- std::lock_guard<std::mutex> lock(trace.mutex());
- trace.sstream() << str;
- return trace;
- }
- template<class Time>
- artis::utils::Trace<Time>& operator<<(
- artis::utils::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<artis::utils::Trace<Time> >
- artis::utils::Trace<Time>::_instance;
- template<class Time>
- std::once_flag artis::utils::Trace<Time>::_flag;
- #endif
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