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comparison Framework/Oracle/ThreadedOracle.h @ 748:ab236bb5dbc7

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ThreadedOracle
author Sebastien Jodogne <s.jodogne@gmail.com>
date Wed, 22 May 2019 14:46:26 +0200
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children 1181e1ad98ec
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746:d716bfb3e07c 748:ab236bb5dbc7
1 /**
2 * Stone of Orthanc
3 * Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics
4 * Department, University Hospital of Liege, Belgium
5 * Copyright (C) 2017-2019 Osimis S.A., Belgium
6 *
7 * This program is free software: you can redistribute it and/or
8 * modify it under the terms of the GNU Affero General Public License
9 * as published by the Free Software Foundation, either version 3 of
10 * the License, or (at your option) any later version.
11 *
12 * This program is distributed in the hope that it will be useful, but
13 * WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * Affero General Public License for more details.
16 *
17 * You should have received a copy of the GNU Affero General Public License
18 * along with this program. If not, see <http://www.gnu.org/licenses/>.
19 **/
20
21
22 #pragma once
23
24 #if !defined(ORTHANC_ENABLE_THREADS)
25 # error The macro ORTHANC_ENABLE_THREADS must be defined
26 #endif
27
28 #if ORTHANC_ENABLE_THREADS != 1
29 # error This file can only compiled for native targets
30 #endif
31
32 #include "../Messages/IMessageEmitter.h"
33 #include "IOracle.h"
34
35 #include <Core/WebServiceParameters.h>
36 #include <Core/MultiThreading/SharedMessageQueue.h>
37
38
39 namespace OrthancStone
40 {
41 class ThreadedOracle : public IOracle
42 {
43 private:
44 enum State
45 {
46 State_Setup,
47 State_Running,
48 State_Stopped
49 };
50
51 class Item;
52 class SleepingCommands;
53
54 IMessageEmitter& emitter_;
55 Orthanc::WebServiceParameters orthanc_;
56 Orthanc::SharedMessageQueue queue_;
57 State state_;
58 boost::mutex mutex_;
59 std::vector<boost::thread*> workers_;
60 boost::shared_ptr<SleepingCommands> sleepingCommands_;
61 boost::thread sleepingWorker_;
62 unsigned int sleepingTimeResolution_;
63
64 void Step();
65
66 static void Worker(ThreadedOracle* that);
67
68 static void SleepingWorker(ThreadedOracle* that);
69
70 void StopInternal();
71
72 public:
73 ThreadedOracle(IMessageEmitter& emitter);
74
75 virtual ~ThreadedOracle()
76 {
77 StopInternal();
78 }
79
80 void SetOrthancParameters(const Orthanc::WebServiceParameters& orthanc);
81
82 void SetWorkersCount(unsigned int count);
83
84 void SetSleepingTimeResolution(unsigned int milliseconds);
85
86 void Start();
87
88 void Stop()
89 {
90 StopInternal();
91 }
92
93 virtual void Schedule(const IObserver& receiver,
94 IOracleCommand* command);
95 };
96 }