Mercurial > hg > orthanc
annotate Core/MultiThreading/BagOfTasksProcessor.h @ 2217:4f39ab2cb453
flush
author | Sebastien Jodogne <s.jodogne@gmail.com> |
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date | Mon, 12 Dec 2016 11:56:26 +0100 |
parents | 5b818f677dd6 |
children | 29689b30f9ae |
rev | line source |
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1920 | 1 /** |
2 * Orthanc - A Lightweight, RESTful DICOM Store | |
3 * Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics | |
4 * Department, University Hospital of Liege, Belgium | |
5 * | |
6 * This program is free software: you can redistribute it and/or | |
7 * modify it under the terms of the GNU General Public License as | |
8 * published by the Free Software Foundation, either version 3 of the | |
9 * License, or (at your option) any later version. | |
10 * | |
11 * In addition, as a special exception, the copyright holders of this | |
12 * program give permission to link the code of its release with the | |
13 * OpenSSL project's "OpenSSL" library (or with modified versions of it | |
14 * that use the same license as the "OpenSSL" library), and distribute | |
15 * the linked executables. You must obey the GNU General Public License | |
16 * in all respects for all of the code used other than "OpenSSL". If you | |
17 * modify file(s) with this exception, you may extend this exception to | |
18 * your version of the file(s), but you are not obligated to do so. If | |
19 * you do not wish to do so, delete this exception statement from your | |
20 * version. If you delete this exception statement from all source files | |
21 * in the program, then also delete it here. | |
22 * | |
23 * This program is distributed in the hope that it will be useful, but | |
24 * WITHOUT ANY WARRANTY; without even the implied warranty of | |
25 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
26 * General Public License for more details. | |
27 * | |
28 * You should have received a copy of the GNU General Public License | |
29 * along with this program. If not, see <http://www.gnu.org/licenses/>. | |
30 **/ | |
31 | |
32 | |
33 #pragma once | |
34 | |
35 #include "BagOfTasks.h" | |
36 #include "SharedMessageQueue.h" | |
37 | |
38 #include <stdint.h> | |
39 #include <map> | |
40 | |
41 namespace Orthanc | |
42 { | |
43 class BagOfTasksProcessor : public boost::noncopyable | |
44 { | |
45 private: | |
46 enum BagStatus | |
47 { | |
48 BagStatus_Running, | |
49 BagStatus_Canceled, | |
50 BagStatus_Failed | |
51 }; | |
52 | |
53 | |
54 struct Bag | |
55 { | |
56 size_t size_; | |
57 size_t done_; | |
58 BagStatus status_; | |
59 | |
60 Bag() : | |
61 size_(0), | |
62 done_(0), | |
63 status_(BagStatus_Failed) | |
64 { | |
65 } | |
66 | |
67 Bag(size_t size) : | |
68 size_(size), | |
69 done_(0), | |
70 status_(BagStatus_Running) | |
71 { | |
72 } | |
73 }; | |
74 | |
75 class Task; | |
76 | |
77 | |
78 typedef std::map<uint64_t, Bag> Bags; | |
79 typedef std::map<uint64_t, bool> ExitStatus; | |
80 | |
81 SharedMessageQueue queue_; | |
82 | |
83 boost::mutex mutex_; | |
84 uint64_t countBags_; | |
85 Bags bags_; | |
86 std::vector<boost::thread*> threads_; | |
87 ExitStatus exitStatus_; | |
88 bool continue_; | |
89 | |
90 boost::condition_variable bagFinished_; | |
91 | |
92 static void Worker(BagOfTasksProcessor* that); | |
93 | |
94 void Cancel(int64_t bag); | |
95 | |
96 bool Join(int64_t bag); | |
97 | |
98 float GetProgress(int64_t bag); | |
99 | |
2110
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parents:
1923
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100 void SignalProgress(Task& task, |
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parents:
1923
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changeset
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101 Bag& bag); |
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102 |
1920 | 103 public: |
104 class Handle : public boost::noncopyable | |
105 { | |
106 friend class BagOfTasksProcessor; | |
107 | |
108 private: | |
109 BagOfTasksProcessor& that_; | |
110 uint64_t bag_; | |
111 bool hasJoined_; | |
112 bool status_; | |
113 | |
114 Handle(BagOfTasksProcessor& that, | |
1923
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parents:
1920
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115 uint64_t bag, |
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parents:
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116 bool empty) : |
1920 | 117 that_(that), |
118 bag_(bag), | |
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parents:
1920
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119 hasJoined_(empty) |
1920 | 120 { |
121 } | |
122 | |
123 public: | |
124 ~Handle() | |
125 { | |
126 Join(); | |
127 } | |
128 | |
129 void Cancel() | |
130 { | |
131 that_.Cancel(bag_); | |
132 } | |
133 | |
134 bool Join(); | |
135 | |
136 float GetProgress() | |
137 { | |
138 return that_.GetProgress(bag_); | |
139 } | |
140 }; | |
141 | |
142 | |
143 BagOfTasksProcessor(size_t countThreads); | |
144 | |
145 ~BagOfTasksProcessor(); | |
146 | |
147 Handle* Submit(BagOfTasks& tasks); | |
148 }; | |
149 } |