4 // Fraunhofer Institute for Open Communication Systems (FOKUS)
5 // Competence Center NETwork research (NET), St. Augustin, GERMANY
6 // Stefan Bund <g0dil@berlios.de>
8 // This program is free software; you can redistribute it and/or modify
9 // it under the terms of the GNU General Public License as published by
10 // the Free Software Foundation; either version 2 of the License, or
11 // (at your option) any later version.
13 // This program is distributed in the hope that it will be useful,
14 // but WITHOUT ANY WARRANTY; without even the implied warranty of
15 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 // GNU General Public License for more details.
18 // You should have received a copy of the GNU General Public License
19 // along with this program; if not, write to the
20 // Free Software Foundation, Inc.,
21 // 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
24 \brief Target internal header */
31 #include <boost/scoped_ptr.hpp>
33 ///////////////////////////////ih.p////////////////////////////////////////
39 /** \brief Internal: Target registry */
41 : public senf::singleton<TargetRegistry>
44 using senf::singleton<TargetRegistry>::instance;
46 void write(StreamBase const & stream, AreaBase const & area, unsigned level,
49 void timeSource(std::auto_ptr<TimeSource> source);
52 bool fallbackRouting();
57 void registerTarget(Target * target);
58 void unregisterTarget(Target * target);
60 typedef std::set<Target *> Targets;
62 boost::scoped_ptr<TimeSource> timeSource_;
64 bool fallbackRouting_;
66 friend class senf::log::Target;
67 friend class senf::singleton<TargetRegistry>;
70 /** \brief Internal: Write log message */
71 template <class Stream, class Area, class Level>
72 void write(std::string msg);
74 senf::mpl::rv<0u> RouteParameterCheck_(...);
75 senf::mpl::rv<1u> RouteParameterCheck_(StreamBase *);
76 senf::mpl::rv<2u> RouteParameterCheck_(AreaBase *);
77 template <class T> senf::mpl::rv<3u> RouteParameterCheck_(T*, typename T::SENFLogArea * = 0);
78 senf::mpl::rv<4u> RouteParameterCheck_(LevelBase *);
80 template < class T, class A2, class A1,
81 unsigned type = SENF_MPL_RV( RouteParameterCheck_(static_cast<T*>(0)) ) >
82 struct RouteParameters
85 template <class A2, class A1>
86 struct RouteParameters<mpl::nil,A2,A1,0u>
87 : public RouteParameters<A2,A1,mpl::nil>
91 static unsigned const value = NONE::value;
95 struct RouteParameters<mpl::nil,mpl::nil,mpl::nil,0u>
97 typedef mpl::nil Stream;
98 typedef mpl::nil Area;
99 typedef NilLevel Level;
102 template <class T, class A2, class A1>
103 struct RouteParameters<T,A2,A1,1u>
104 : public RouteParameters<A2,A1,mpl::nil>
109 template <class T, class A2, class A1>
110 struct RouteParameters<T,A2,A1,2u>
111 : public RouteParameters<A2,A1,mpl::nil>
116 template <class T, class A2, class A1>
117 struct RouteParameters<T,A2,A1,3u>
118 : public RouteParameters<A2,A1,mpl::nil>
120 typedef typename T::SENFLogArea Area;
123 template <class T, class A2, class A1>
124 struct RouteParameters<T,A2,A1,4u>
125 : public RouteParameters<A2,A1,mpl::nil>
130 template <class T, class RV>
133 static RV * value() { return & T::instance(); }
137 struct InstanceP<mpl::nil, RV>
139 static RV * value() { return 0; }
144 ///////////////////////////////ih.e////////////////////////////////////////
151 // comment-column: 40
152 // c-file-style: "senf"
153 // indent-tabs-mode: nil
154 // ispell-local-dictionary: "american"
155 // compile-command: "scons -u test"