Mercurial > hg > orthanc
annotate OrthancServer/Plugins/Samples/DelayedDeletion/PendingDeletionsDatabase.cpp @ 5264:99751c5a7cfe
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| author | Sebastien Jodogne <s.jodogne@gmail.com> |
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| date | Wed, 12 Apr 2023 17:43:05 +0200 |
| parents | c2ebc47f4f18 |
| children | 48b8dae6dc77 |
| rev | line source |
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Sebastien Jodogne <s.jodogne@gmail.com>
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1 /** |
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2 * Orthanc - A Lightweight, RESTful DICOM Store |
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3 * Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics |
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4 * Department, University Hospital of Liege, Belgium |
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5 * Copyright (C) 2017-2023 Osimis S.A., Belgium |
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6 * Copyright (C) 2021-2023 Sebastien Jodogne, ICTEAM UCLouvain, Belgium |
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7 * |
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8 * This program is free software: you can redistribute it and/or |
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9 * modify it under the terms of the GNU General Public License as |
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10 * published by the Free Software Foundation, either version 3 of the |
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11 * License, or (at your option) any later version. |
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12 * |
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13 * This program is distributed in the hope that it will be useful, but |
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14 * WITHOUT ANY WARRANTY; without even the implied warranty of |
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15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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16 * General Public License for more details. |
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17 * |
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18 * You should have received a copy of the GNU General Public License |
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19 * along with this program. If not, see <http://www.gnu.org/licenses/>. |
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20 **/ |
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21 |
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22 |
| 5024 | 23 #include "PendingDeletionsDatabase.h" |
| 24 | |
| 25 #include "../../../../OrthancFramework/Sources/SQLite/Statement.h" | |
| 26 #include "../../../../OrthancFramework/Sources/SQLite/Transaction.h" | |
| 27 | |
| 28 void PendingDeletionsDatabase::Setup() | |
| 29 { | |
| 30 // Performance tuning of SQLite with PRAGMAs | |
| 31 // http://www.sqlite.org/pragma.html | |
| 32 db_.Execute("PRAGMA SYNCHRONOUS=NORMAL;"); | |
| 33 db_.Execute("PRAGMA JOURNAL_MODE=WAL;"); | |
| 34 db_.Execute("PRAGMA LOCKING_MODE=EXCLUSIVE;"); | |
| 35 db_.Execute("PRAGMA WAL_AUTOCHECKPOINT=1000;"); | |
| 36 | |
| 37 { | |
| 38 Orthanc::SQLite::Transaction t(db_); | |
| 39 t.Begin(); | |
| 40 | |
| 41 if (!db_.DoesTableExist("Pending")) | |
| 42 { | |
| 43 db_.Execute("CREATE TABLE Pending(uuid TEXT, type INTEGER)"); | |
| 44 } | |
| 45 | |
| 46 t.Commit(); | |
| 47 } | |
| 48 } | |
| 49 | |
| 50 | |
| 51 PendingDeletionsDatabase::PendingDeletionsDatabase(const std::string& path) | |
| 52 { | |
| 53 db_.Open(path); | |
| 54 Setup(); | |
| 55 } | |
| 56 | |
| 57 | |
| 58 void PendingDeletionsDatabase::Enqueue(const std::string& uuid, | |
| 59 Orthanc::FileContentType type) | |
| 60 { | |
| 61 boost::mutex::scoped_lock lock(mutex_); | |
| 62 | |
| 63 Orthanc::SQLite::Transaction t(db_); | |
| 64 t.Begin(); | |
| 65 | |
| 66 { | |
| 67 Orthanc::SQLite::Statement s(db_, SQLITE_FROM_HERE, "INSERT INTO Pending VALUES(?, ?)"); | |
| 68 s.BindString(0, uuid); | |
| 69 s.BindInt(1, type); | |
| 70 s.Run(); | |
| 71 } | |
| 72 | |
| 73 t.Commit(); | |
| 74 } | |
| 75 | |
| 76 | |
| 77 bool PendingDeletionsDatabase::Dequeue(std::string& uuid, | |
| 78 Orthanc::FileContentType& type) | |
| 79 { | |
| 80 bool ok = false; | |
| 81 | |
| 82 boost::mutex::scoped_lock lock(mutex_); | |
| 83 | |
| 84 Orthanc::SQLite::Transaction t(db_); | |
| 85 t.Begin(); | |
| 86 | |
| 87 { | |
| 88 Orthanc::SQLite::Statement s(db_, SQLITE_FROM_HERE, "SELECT uuid, type FROM Pending LIMIT 1"); | |
| 89 | |
| 90 if (s.Step()) | |
| 91 { | |
| 92 uuid = s.ColumnString(0); | |
| 93 type = static_cast<Orthanc::FileContentType>(s.ColumnInt(1)); | |
| 94 | |
| 95 Orthanc::SQLite::Statement s(db_, SQLITE_FROM_HERE, "DELETE FROM Pending WHERE uuid=?"); | |
| 96 s.BindString(0, uuid); | |
| 97 s.Run(); | |
| 98 | |
| 99 ok = true; | |
| 100 } | |
| 101 } | |
| 102 | |
| 103 t.Commit(); | |
| 104 | |
| 105 return ok; | |
| 106 } | |
| 107 | |
| 108 | |
| 109 unsigned int PendingDeletionsDatabase::GetSize() | |
| 110 { | |
| 111 boost::mutex::scoped_lock lock(mutex_); | |
| 112 | |
| 113 unsigned int value = 0; | |
| 114 | |
| 115 Orthanc::SQLite::Transaction t(db_); | |
| 116 t.Begin(); | |
| 117 | |
| 118 { | |
| 119 Orthanc::SQLite::Statement s(db_, SQLITE_FROM_HERE, "SELECT COUNT(*) FROM Pending"); | |
| 120 | |
| 121 if (s.Step()) | |
| 122 { | |
| 123 int tmp = s.ColumnInt(0); | |
| 124 if (tmp > 0) | |
| 125 { | |
| 126 value = static_cast<unsigned int>(tmp); | |
| 127 } | |
| 128 } | |
| 129 } | |
| 130 | |
| 131 t.Commit(); | |
| 132 | |
| 133 return value; | |
| 134 } |