Mercurial > hg > orthanc
annotate Core/MultiThreading/BagOfTasksProcessor.h @ 2047:438f86ee19fc
toolbox shared by all plugins
| author | Sebastien Jodogne <s.jodogne@gmail.com> |
|---|---|
| date | Fri, 24 Jun 2016 22:28:25 +0200 |
| parents | 6ac7f31fc543 |
| children | 5b818f677dd6 |
| rev | line source |
|---|---|
| 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 | |
| 100 public: | |
| 101 class Handle : public boost::noncopyable | |
| 102 { | |
| 103 friend class BagOfTasksProcessor; | |
| 104 | |
| 105 private: | |
| 106 BagOfTasksProcessor& that_; | |
| 107 uint64_t bag_; | |
| 108 bool hasJoined_; | |
| 109 bool status_; | |
| 110 | |
| 111 Handle(BagOfTasksProcessor& that, | |
|
1923
6ac7f31fc543
fix freeze if empty bag of tasks
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1920
diff
changeset
|
112 uint64_t bag, |
|
6ac7f31fc543
fix freeze if empty bag of tasks
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1920
diff
changeset
|
113 bool empty) : |
| 1920 | 114 that_(that), |
| 115 bag_(bag), | |
|
1923
6ac7f31fc543
fix freeze if empty bag of tasks
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1920
diff
changeset
|
116 hasJoined_(empty) |
| 1920 | 117 { |
| 118 } | |
| 119 | |
| 120 public: | |
| 121 ~Handle() | |
| 122 { | |
| 123 Join(); | |
| 124 } | |
| 125 | |
| 126 void Cancel() | |
| 127 { | |
| 128 that_.Cancel(bag_); | |
| 129 } | |
| 130 | |
| 131 bool Join(); | |
| 132 | |
| 133 float GetProgress() | |
| 134 { | |
| 135 return that_.GetProgress(bag_); | |
| 136 } | |
| 137 }; | |
| 138 | |
| 139 | |
| 140 BagOfTasksProcessor(size_t countThreads); | |
| 141 | |
| 142 ~BagOfTasksProcessor(); | |
| 143 | |
| 144 Handle* Submit(BagOfTasks& tasks); | |
| 145 }; | |
| 146 } |