poller.h
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1 /*
2  * Copyright (C) 2005-2006 Tommi Maekitalo
3  *
4  * This library is free software; you can redistribute it and/or
5  * modify it under the terms of the GNU Lesser General Public
6  * License as published by the Free Software Foundation; either
7  * version 2.1 of the License, or (at your option) any later version.
8  *
9  * As a special exception, you may use this file as part of a free
10  * software library without restriction. Specifically, if other files
11  * instantiate templates or use macros or inline functions from this
12  * file, or you compile this file and link it with other files to
13  * produce an executable, this file does not by itself cause the
14  * resulting executable to be covered by the GNU General Public
15  * License. This exception does not however invalidate any other
16  * reasons why the executable file might be covered by the GNU Library
17  * General Public License.
18  *
19  * This library is distributed in the hope that it will be useful,
20  * but WITHOUT ANY WARRANTY; without even the implied warranty of
21  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
22  * Lesser General Public License for more details.
23  *
24  * You should have received a copy of the GNU Lesser General Public
25  * License along with this library; if not, write to the Free Software
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27  */
28 
29 
30 #ifndef TNT_POLLER_H
31 #define TNT_POLLER_H
32 
33 #include <tnt/job.h>
34 
35 namespace tnt
36 {
38  class PollerIf
39  {
40  PollerIf(const PollerIf&) { }
41  PollerIf& operator=(const PollerIf&) { return *this; }
42 
43  public:
44  PollerIf() { }
45  virtual ~PollerIf();
46  virtual void run() = 0;
47  virtual void doStop() = 0;
48  virtual void addIdleJob(Jobqueue::JobPtr& job) = 0;
49  };
50 
51  class Poller
52  {
53  Poller(const Poller&) { }
54  Poller& operator=(const Poller&) { return *this; }
55 
56  PollerIf* _impl;
57 
58  public:
59  explicit Poller(Jobqueue& q);
60  ~Poller()
61  { delete _impl; }
62 
63  void run();
64  void doStop() { _impl->doStop(); }
65  void addIdleJob(Jobqueue::JobPtr& job) { _impl->addIdleJob(job); }
66  };
68 }
69 
70 #endif // TNT_POLLER_H