hwsd  1.3.1
Local and remote ZeroConf service discovery for hardware resources
module.h
1 
2 /* Copyright (c) 2011, Stefan Eilemann <eile@eyescale.ch>
3  *
4  * This library is free software; you can redistribute it and/or modify it under
5  * the terms of the GNU Lesser General Public License version 2.1 as published
6  * by the Free Software Foundation.
7  *
8  * This library is distributed in the hope that it will be useful, but WITHOUT
9  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
10  * FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
11  * details.
12  *
13  * You should have received a copy of the GNU Lesser General Public License
14  * along with this library; if not, write to the Free Software Foundation, Inc.,
15  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
16  */
17 
18 #ifndef HWSD_MODULE_H
19 #define HWSD_MODULE_H
20 
21 #include <hwsd/api.h>
22 
23 #include <string>
24 
25 namespace hwsd
26 {
27 namespace detail
28 {
29  class Module;
30 }
32  template< typename T > class Module
33  {
34  public:
36  Module();
37 
39  virtual ~Module();
40 
48  virtual bool announce( const std::string& session ) const;
49 
51  virtual T discover() const = 0;
52 
53  HWSD_INL static Module< T >* stack_;
54  Module< T >* next_;
55  };
56 }
57 
58 #include "module.ipp" // template implementation
59 
60 #endif // HWSD_MODULE_H
Defines export visibility macros for library hwsd.
Module()
Register and construct a new module.
Definition: module.ipp:23
virtual ~Module()
Destruct this module.
Definition: module.ipp:42
virtual bool announce(const std::string &session) const
Announce the information about all found resources.
Definition: module.ipp:60
Definition: filter.h:27
Base class for runtime-attached DSOs of a query implementation.
Definition: module.h:32
virtual T discover() const =0