Mercurial > hg > orthanc
annotate Core/MultiThreading/ThreadedCommandProcessor.h @ 1261:ef74281b2ffa
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author | Sebastien Jodogne <s.jodogne@gmail.com> |
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date | Thu, 08 Jan 2015 15:45:20 +0100 |
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1 /** |
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2 * Orthanc - A Lightweight, RESTful DICOM Store |
689 | 3 * Copyright (C) 2012-2014 Medical Physics Department, CHU of Liege, |
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4 * Belgium |
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5 * |
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6 * This program is free software: you can redistribute it and/or |
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7 * modify it under the terms of the GNU General Public License as |
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8 * published by the Free Software Foundation, either version 3 of the |
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9 * License, or (at your option) any later version. |
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10 * |
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11 * In addition, as a special exception, the copyright holders of this |
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12 * program give permission to link the code of its release with the |
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13 * OpenSSL project's "OpenSSL" library (or with modified versions of it |
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14 * that use the same license as the "OpenSSL" library), and distribute |
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15 * the linked executables. You must obey the GNU General Public License |
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16 * in all respects for all of the code used other than "OpenSSL". If you |
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17 * modify file(s) with this exception, you may extend this exception to |
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18 * your version of the file(s), but you are not obligated to do so. If |
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19 * you do not wish to do so, delete this exception statement from your |
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20 * version. If you delete this exception statement from all source files |
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21 * in the program, then also delete it here. |
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22 * |
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23 * This program is distributed in the hope that it will be useful, but |
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24 * WITHOUT ANY WARRANTY; without even the implied warranty of |
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25 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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26 * General Public License for more details. |
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27 * |
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28 * You should have received a copy of the GNU General Public License |
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29 * along with this program. If not, see <http://www.gnu.org/licenses/>. |
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30 **/ |
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31 |
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32 |
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33 #pragma once |
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34 |
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35 #include "../ICommand.h" |
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36 |
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37 #include "SharedMessageQueue.h" |
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38 |
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39 namespace Orthanc |
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40 { |
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41 class ThreadedCommandProcessor |
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42 { |
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43 public: |
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44 class IListener |
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45 { |
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46 public: |
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47 virtual ~IListener() |
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48 { |
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49 } |
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50 |
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51 virtual void SignalProgress(unsigned int current, |
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52 unsigned int total) = 0; |
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53 |
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54 virtual void SignalSuccess(unsigned int total) = 0; |
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55 |
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56 virtual void SignalFailure() = 0; |
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57 |
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58 virtual void SignalCancel() = 0; |
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59 }; |
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60 |
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61 private: |
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62 SharedMessageQueue queue_; |
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63 bool done_; |
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64 bool cancel_; |
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65 std::vector<boost::thread*> threads_; |
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66 IListener* listener_; |
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67 |
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68 boost::mutex mutex_; |
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69 bool success_; |
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70 unsigned int remainingCommands_, totalCommands_; |
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71 boost::condition_variable processedCommand_; |
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72 |
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73 static void Processor(ThreadedCommandProcessor* that); |
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74 |
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75 public: |
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76 ThreadedCommandProcessor(unsigned int numThreads); |
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77 |
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78 ~ThreadedCommandProcessor(); |
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79 |
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80 // This takes the ownership of the command |
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81 void Post(ICommand* command); |
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82 |
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83 bool Join(); |
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84 |
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85 void Cancel(); |
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86 |
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87 void SetListener(IListener& listener); |
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88 |
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89 IListener& GetListener() const |
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90 { |
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91 return *listener_; |
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92 } |
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93 }; |
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94 } |