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PluginServiceDetails.h
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1 #ifndef _GAUDI_PLUGIN_SERVICE_DETAILS_H_
2 #define _GAUDI_PLUGIN_SERVICE_DETAILS_H_
3 /*****************************************************************************\
4 * (c) Copyright 2013 CERN *
5 * *
6 * This software is distributed under the terms of the GNU General Public *
7 * Licence version 3 (GPL Version 3), copied verbatim in the file "LICENCE". *
8 * *
9 * In applying this licence, CERN does not waive the privileges and immunities *
10 * granted to it by virtue of its status as an Intergovernmental Organization *
11 * or submit itself to any jurisdiction. *
12 \*****************************************************************************/
13
15
16 #include <string>
17 #include <sstream>
18 #include <map>
19 #include <set>
20 #include <typeinfo>
21 #include <utility>
22
23 #if defined(__GXX_EXPERIMENTAL_CXX0X__) || __cplusplus >= 201103L
24 #include <mutex>
25 #endif
26
27 #if __GNUC__ >= 4
28 # define GAUDIPS_HASCLASSVISIBILITY
29 #endif
30
31 #if defined(GAUDIPS_HASCLASSVISIBILITY)
32 # define GAUDIPS_IMPORT __attribute__((visibility("default")))
33 # define GAUDIPS_EXPORT __attribute__((visibility("default")))
34 # define GAUDIPS_LOCAL __attribute__((visibility("hidden")))
35 #else
36 # define GAUDIPS_IMPORT
37 # define GAUDIPS_EXPORT
38 # define GAUDIPS_LOCAL
39 #endif
40
41 #ifdef GaudiPluginService_EXPORTS
42 #define GAUDIPS_API GAUDIPS_EXPORT
43 #else
44 #define GAUDIPS_API GAUDIPS_IMPORT
45 #endif
46
47 namespace Gaudi { namespace PluginService {
48
49 namespace Details {
54 template <class T>
55 class Factory {
56 public:
57 #if !defined(__REFLEX__) || defined(ATLAS)
58 template <typename S, typename... Args>
59 static typename S::ReturnType create(Args&&... args) {
60 return new T(std::forward<Args>(args)...);
61 }
62 #endif
63 };
64
67 GAUDIPS_API
68 void* getCreator(const std::string& id, const std::string& type);
69
82 template <typename F>
83 inline F getCreator(const std::string& id) {
84 union { void* src; F dst; } p2p;
85 p2p.src = getCreator(id, typeid(F).name());
86 return p2p.dst;
87 }
88
91 GAUDIPS_API
92 std::string demangle(const std::type_info& id);
93
95 template <typename T>
96 inline std::string demangle() { return demangle(typeid(T)); }
97
99 class GAUDIPS_API Registry {
100 public:
101 typedef std::string KeyType;
102
104 typedef std::map<KeyType, std::string> Properties;
105
106 struct FactoryInfo {
107 FactoryInfo(std::string lib, void* p=0,
108 std::string t="",
109 std::string rt="",
110 std::string cn="",
111 Properties props = Properties()):
112 library(std::move(lib)), ptr(p),
113 type(std::move(t)), rtype(std::move(rt)),
114 className(std::move(cn)), properties(std::move(props)) {}
115
116 std::string library;
117 void* ptr;
118 std::string type;
119 std::string rtype;
120 std::string className;
121 Properties properties;
122
123 FactoryInfo& addProperty(const KeyType& k, std::string v) {
124 properties[k] = std::move(v);
125 return *this;
126 }
127 };
128
130 typedef std::map<KeyType, FactoryInfo> FactoryMap;
131
133 static Registry& instance();
134
136 template <typename F, typename T, typename I>
137 inline FactoryInfo& add(const I& id, typename F::FuncType ptr){
138 union { typename F::FuncType src; void* dst; } p2p;
139 p2p.src = ptr;
140 std::ostringstream o; o << id;
141 return add(o.str(), p2p.dst,
142 typeid(typename F::FuncType).name(),
143 typeid(typename F::ReturnType).name(),
144 demangle<T>());
145 }
146
148 void* get(const std::string& id, const std::string& type) const;
149
151 const FactoryInfo& getInfo(const std::string& id) const;
152
154 Registry&
155 addProperty(const std::string& id,
156 const std::string& k,
157 const std::string& v);
158
160 std::set<KeyType> loadedFactories() const;
161
163 inline const FactoryMap& factories() const {
164 if (!m_initialized) const_cast<Registry*>(this)->initialize();
165 return m_factories;
166 }
167
168 private:
173 Registry();
174
176 Registry(const Registry&): m_initialized(false) {}
177
179 FactoryInfo&
180 add(const std::string& id, void *factory,
181 const std::string& type, const std::string& rtype,
182 const std::string& className,
183 const Properties& props = Properties());
184
186 inline FactoryMap& factories() {
187 if (!m_initialized) initialize();
188 return m_factories;
189 }
190
193 void initialize();
194
196 bool m_initialized;
197
199 FactoryMap m_factories;
200
201 #if defined(__GXX_EXPERIMENTAL_CXX0X__) || __cplusplus >= 201103L
202 mutable std::recursive_mutex m_mutex;
204 #endif
205 };
206
208 class GAUDIPS_API Logger {
209 public:
210 enum Level { Debug=0, Info=1, Warning=2, Error=3 };
211 Logger(Level level = Warning): m_level(level) {}
212 virtual ~Logger() {}
213 inline Level level() const { return m_level; }
214 inline void setLevel(Level level) { m_level = level; }
215 inline void info(const std::string& msg) { report(Info, msg); }
216 inline void debug(const std::string& msg) { report(Debug, msg); }
217 inline void warning(const std::string& msg) { report(Warning, msg); }
218 inline void error(const std::string& msg) { report(Error, msg); }
219 private:
220 virtual void report(Level lvl, const std::string& msg);
221 Level m_level;
222 };
223
225 GAUDIPS_API Logger& logger();
228 GAUDIPS_API void setLogger(Logger* logger);
229 }
230
232 GAUDIPS_API void SetDebug(int debugLevel);
234 GAUDIPS_API int Debug();
235
236 }}
237
238 #define _INTERNAL_FACTORY_REGISTER_CNAME(name, serial) \
239 _register_ ## _ ## serial
240
241 #define _INTERNAL_DECLARE_FACTORY_WITH_CREATOR(type, typecreator, \
242 id, factory, serial) \
243 namespace { \
244 class _INTERNAL_FACTORY_REGISTER_CNAME(type, serial) { \
245 public: \
246 typedef factory s_t; \
247 typedef typecreator f_t; \
248 static s_t::FuncType creator() { return &f_t::create<s_t>; } \
249 _INTERNAL_FACTORY_REGISTER_CNAME(type, serial) () { \
250 using ::Gaudi::PluginService::Details::Registry; \
251 Registry::instance().add<s_t, type>(id, creator()); \
252 } \
253 } _INTERNAL_FACTORY_REGISTER_CNAME(s_ ## type, serial); \
254 }
255
256 #define _INTERNAL_DECLARE_FACTORY(type, id, factory, serial) \
257 _INTERNAL_DECLARE_FACTORY_WITH_CREATOR(type, \
258 ::Gaudi::PluginService::Details::Factory<type>, \
259 id, factory, serial)
260
261 #endif //_GAUDI_PLUGIN_SERVICE_DETAILS_H_
GAUDIPS_API
#define GAUDIPS_API
Definition: PluginServiceDetails.h:44
Gaudi::PluginService::Details::Logger::error
void error(const std::string &msg)
Definition: PluginServiceDetails.h:218
Gaudi::PluginService::Details::Registry::Registry
Registry(const Registry &)
Private copy constructor for the singleton pattern.
Definition: PluginServiceDetails.h:176
gaudiComponentHelp.name
name
Definition: gaudiComponentHelp.py:28
gaudirun.args
args
Definition: gaudirun.py:236
Gaudi::PluginService::Details::Factory
Class providing default factory functions.
Definition: PluginServiceDetails.h:55
Gaudi::PluginService::Details::Logger::level
Level level() const
Definition: PluginServiceDetails.h:213
std
STL namespace.
Gaudi::PluginService::Details::Registry::factories
FactoryMap & factories()
Return the known factories (loading the list if not yet done).
Definition: PluginServiceDetails.h:186
Properties
std::vector< Gaudi::Details::PropertyBase * > Properties
Definition: PropertyMgr.h:139
Gaudi::PluginService::Details::Registry::FactoryInfo
Definition: PluginServiceDetails.h:106
std::map< KeyType, std::string >
Gaudi::PluginService::Details::Registry::FactoryInfo::properties
Properties properties
Definition: PluginServiceDetails.h:121
Gaudi::PluginService::Details::logger
GAUDIPS_API Logger & logger()
Return the current logger instance.
Definition: PluginService.cpp:344
Gaudi::PluginService::Details::Registry::FactoryInfo::addProperty
FactoryInfo & addProperty(const KeyType &k, std::string v)
Definition: PluginServiceDetails.h:123
Gaudi::PluginService::Details::Registry::Properties
std::map< KeyType, std::string > Properties
Type used for the properties implementation.
Definition: PluginServiceDetails.h:104
Gaudi::PluginService::Details::Logger
Simple logging class, just to provide a default implementation.
Definition: PluginServiceDetails.h:208
std::type_info
Gaudi::PluginService::Details::Factory::create
static S::ReturnType create(Args &&...args)
Definition: PluginServiceDetails.h:59
std::string
STL class.
GaudiPython.Persistency.add
def add(instance)
Definition: Persistency.py:32
Gaudi::PluginService::SetDebug
GAUDIPS_API void SetDebug(int debugLevel)
Backward compatibility with Reflex.
Definition: PluginService.cpp:349
Gaudi::PluginService::Details::Registry::FactoryInfo::FactoryInfo
FactoryInfo(std::string lib, void *p=0, std::string t="", std::string rt="", std::string cn="", Properties props=Properties())
Definition: PluginServiceDetails.h:107
std::ostringstream
STL class.
gaudirun.type
type
Definition: gaudirun.py:125
Gaudi::PluginService::Details::demangle
GAUDIPS_API std::string demangle(const std::type_info &id)
Return a canonical name for type_info object (implementation borrowed from GaudiKernel/System).
Definition: PluginService.cpp:141
Gaudi::PluginService::Details::Logger::Level
Level
Definition: PluginServiceDetails.h:210
std::recursive_mutex
std::ostringstream::str
T str(T...args)
Gaudi::PluginService::Details::Registry::factories
const FactoryMap & factories() const
Return the known factories (loading the list if not yet done).
Definition: PluginServiceDetails.h:163
Gaudi::PluginService::Details::Registry::FactoryInfo::ptr
void * ptr
Definition: PluginServiceDetails.h:117
Gaudi::PluginService::Details::Registry::KeyType
std::string KeyType
Definition: PluginServiceDetails.h:101
std::move
T move(T...args)
Gaudi::PluginService::Details::Logger::warning
void warning(const std::string &msg)
Definition: PluginServiceDetails.h:217
Gaudi::PluginService::Details::Logger::info
void info(const std::string &msg)
Definition: PluginServiceDetails.h:215
Gaudi::PluginService::Details::Logger::Logger
Logger(Level level=Warning)
Definition: PluginServiceDetails.h:211
ReadAndWriteWhiteBoard.dst
dst
Definition: ReadAndWriteWhiteBoard.py:17
Gaudi::PluginService::Details::Registry::FactoryInfo::library
std::string library
Definition: PluginServiceDetails.h:116
std::set
STL class.
Gaudi::PluginService::Details::getCreator
GAUDIPS_API void * getCreator(const std::string &id, const std::string &type)
Function used to load a specific factory function.
Definition: PluginService.cpp:124
gaudiComponentHelp.properties
properties
Definition: gaudiComponentHelp.py:37
GaudiMP.FdsRegistry.msg
msg
Definition: FdsRegistry.py:8
Gaudi::PluginService::Details::Registry::FactoryInfo::rtype
std::string rtype
Definition: PluginServiceDetails.h:119
Gaudi::PluginService::Details::Registry
In-memory database of the loaded factories.
Definition: PluginServiceDetails.h:99
Gaudi::PluginService::Details::Registry::add
FactoryInfo & add(const I &id, typename F::FuncType ptr)
Add a factory to the database.
Definition: PluginServiceDetails.h:137
gaudirun.level
level
Definition: gaudirun.py:261
Gaudi::PluginService::Debug
GAUDIPS_API int Debug()
Backward compatibility with Reflex.
Definition: PluginService.cpp:359
Gaudi::PluginService::Details::Logger::m_level
Level m_level
Definition: PluginServiceDetails.h:221
Gaudi::PluginService::Details::setLogger
GAUDIPS_API void setLogger(Logger *logger)
Set the logger instance to use.
Definition: PluginService.cpp:345
Gaudi::PluginService::Details::Logger::setLevel
void setLevel(Level level)
Definition: PluginServiceDetails.h:214
Gaudi::PluginService::Details::Registry::FactoryMap
std::map< KeyType, FactoryInfo > FactoryMap
Type used for the database implementation.
Definition: PluginServiceDetails.h:130
Gaudi::PluginService::Details::Registry::m_factories
FactoryMap m_factories
Internal storage for factories.
Definition: PluginServiceDetails.h:199
Gaudi
Helper functions to set/get the application return code.
Definition: __init__.py:1
Gaudi::PluginService::Details::Registry::FactoryInfo::className
std::string className
Definition: PluginServiceDetails.h:120
Gaudi::PluginService::Details::Registry::m_initialized
bool m_initialized
Flag recording if the registry has been initialized or not.
Definition: PluginServiceDetails.h:196
Gaudi::PluginService::Details::Registry::FactoryInfo::type
std::string type
Definition: PluginServiceDetails.h:118
Gaudi::PluginService::Details::Logger::debug
void debug(const std::string &msg)
Definition: PluginServiceDetails.h:216
Gaudi::PluginService::Details::Logger::~Logger
virtual ~Logger()
Definition: PluginServiceDetails.h:212