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1 /**
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2 * Orthanc - A Lightweight, RESTful DICOM Store
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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 "ServerJob.h"
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36
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37 namespace Orthanc
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38 {
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39 class ServerScheduler : public ServerFilterInstance::IListener
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40 {
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41 private:
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42 struct JobInfo
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43 {
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44 bool watched_;
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45 bool cancel_;
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46 size_t size_;
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47 size_t success_;
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48 size_t failures_;
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49 std::string description_;
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50 };
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51
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52 enum JobStatus
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53 {
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54 JobStatus_Running = 1,
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55 JobStatus_Success = 2,
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56 JobStatus_Failure = 3
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57 };
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58
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59 typedef IServerFilter::ListOfStrings ListOfStrings;
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60 typedef std::map<std::string, JobInfo> Jobs;
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61
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62 boost::mutex mutex_;
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63 boost::condition_variable jobFinished_;
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64 Jobs jobs_;
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65 SharedMessageQueue queue_;
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66 bool finish_;
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67 boost::thread worker_;
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68 std::map<std::string, JobStatus> watchedJobStatus_;
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69
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70 JobInfo& GetJobInfo(const std::string& jobId);
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71
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72 virtual void SignalSuccess(const std::string& jobId);
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73
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74 virtual void SignalFailure(const std::string& jobId);
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75
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76 static void Worker(ServerScheduler* that);
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77
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78 void SubmitInternal(ServerJob& job,
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79 bool watched);
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80
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81 public:
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82 ServerScheduler();
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83
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84 ~ServerScheduler();
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85
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86 void Submit(ServerJob& job);
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87
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88 bool SubmitAndWait(ListOfStrings& outputs,
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89 ServerJob& job);
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90
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91 bool IsRunning(const std::string& jobId);
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92
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93 void Cancel(const std::string& jobId);
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94
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95 // Returns a number between 0 and 1
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96 float GetProgress(const std::string& jobId);
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97
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98 bool IsRunning(const ServerJob& job)
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99 {
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100 return IsRunning(job.GetId());
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101 }
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102
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103 void Cancel(const ServerJob& job)
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104 {
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105 Cancel(job.GetId());
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106 }
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107
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108 float GetProgress(const ServerJob& job)
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109 {
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110 return GetProgress(job.GetId());
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111 }
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112
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113 void GetListOfJobs(ListOfStrings& jobs);
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114 };
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115 }
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