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1 /**
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2 * Google Cloud Platform credentials for DICOMweb and Orthanc
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26
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3 * Copyright (C) 2019-2020 Osimis S.A., Belgium
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4 *
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5 * This program is free software: you can redistribute it and/or
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6 * modify it under the terms of the GNU General Public License as
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7 * published by the Free Software Foundation, either version 3 of the
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8 * License, or (at your option) any later version.
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9 *
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10 * In addition, as a special exception, the copyright holders of this
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11 * program give permission to link the code of its release with the
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12 * OpenSSL project's "OpenSSL" library (or with modified versions of it
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13 * that use the same license as the "OpenSSL" library), and distribute
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14 * the linked executables. You must obey the GNU General Public License
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15 * in all respects for all of the code used other than "OpenSSL". If you
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16 * modify file(s) with this exception, you may extend this exception to
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17 * your version of the file(s), but you are not obligated to do so. If
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18 * you do not wish to do so, delete this exception statement from your
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19 * version. If you delete this exception statement from all source files
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20 * in the program, then also delete it here.
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21 *
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22 * This program is distributed in the hope that it will be useful, but
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23 * WITHOUT ANY WARRANTY; without even the implied warranty of
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24 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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25 * General Public License for more details.
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26 *
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27 * You should have received a copy of the GNU General Public License
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28 * along with this program. If not, see <http://www.gnu.org/licenses/>.
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29 **/
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30
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31
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32 #pragma once
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33
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34 #include "GoogleAccount.h"
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35
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36 #include <boost/thread.hpp>
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37
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38 class GoogleUpdater : public boost::noncopyable
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39 {
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40 private:
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41 enum State
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42 {
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43 State_Setup,
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44 State_Running,
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45 State_Done
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46 };
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47
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48 static void Worker(const State* state,
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49 const GoogleAccount* account,
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50 long refreshIntervalSeconds);
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51
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52 State state_;
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53 std::vector<boost::thread*> workers_;
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54
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55 // Singleton
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56 GoogleUpdater() :
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57 state_(State_Setup)
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58 {
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59 }
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60
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61 public:
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62 static GoogleUpdater& GetInstance()
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63 {
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64 static GoogleUpdater updater;
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65 return updater;
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66 }
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67
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68 ~GoogleUpdater();
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69
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70 void Start();
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71
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72 void Stop();
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73 };
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