worker.h
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1 /*
2  * Copyright (C) 2003-2005 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
26  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
27  */
28 
29 
30 #ifndef TNT_WORKER_H
31 #define TNT_WORKER_H
32 
33 #include <string>
34 #include <cxxtools/thread.h>
35 #include <cxxtools/mutex.h>
36 #include <tnt/comploader.h>
37 #include <tnt/tntnet.h>
38 #include <tnt/scope.h>
39 #include <tnt/threadcontext.h>
40 
41 namespace tnt
42 {
43  class HttpRequest;
44  class HttpReply;
45 
47  {
48  static cxxtools::Mutex mutex;
49 
50  Tntnet& application;
51 
52  static Comploader comploader;
53 
54  Scope threadScope;
55 
56  pthread_t threadId;
57  const char* state;
58  time_t lastWaitTime;
59 
60  typedef std::set<Worker*> workers_type;
61  static workers_type workers;
62 
63  bool processRequest(HttpRequest& request, std::iostream& socket,
64  unsigned keepAliveCount);
65  void logRequest(const HttpRequest& request, const HttpReply& reply, unsigned httpReturn);
66  void healthCheck(time_t currentTime);
67 
68  // thread context methods
69  void touch(); // wake watchdog timer
70  Scope& getScope();
71 
72  public:
73  explicit Worker(Tntnet& app);
74 
75  virtual void run();
76 
77  void dispatch(HttpRequest& request, HttpReply& reply);
78 
79  static void timer();
80 
81  static workers_type::size_type getCountThreads();
82 
84  { return comploader; }
85  };
86 }
87 
88 #endif // TNT_WORKER_H
89