Mercurial > hg > orthanc-databases
annotate MySQL/Plugins/MySQLStorageArea.cpp @ 231:0a9b48d19643
removed mutex out of DatabaseManager
author | Sebastien Jodogne <s.jodogne@gmail.com> |
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date | Tue, 06 Apr 2021 11:59:31 +0200 |
parents | a4918d57435c |
children | 35598014f140 |
rev | line source |
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17 | 1 /** |
2 * Orthanc - A Lightweight, RESTful DICOM Store | |
3 * Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics | |
4 * Department, University Hospital of Liege, Belgium | |
193
3236894320d6
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5 * Copyright (C) 2017-2021 Osimis S.A., Belgium |
17 | 6 * |
7 * This program is free software: you can redistribute it and/or | |
8 * modify it under the terms of the GNU Affero General Public License | |
9 * as published by the Free Software Foundation, either version 3 of | |
10 * the License, or (at your option) any later version. | |
11 * | |
12 * This program is distributed in the hope that it will be useful, but | |
13 * WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
15 * Affero General Public License for more details. | |
16 * | |
17 * You should have received a copy of the GNU Affero General Public License | |
18 * along with this program. If not, see <http://www.gnu.org/licenses/>. | |
19 **/ | |
20 | |
21 | |
22 #include "MySQLStorageArea.h" | |
23 | |
24 #include "../../Framework/MySQL/MySQLDatabase.h" | |
25 #include "../../Framework/MySQL/MySQLTransaction.h" | |
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26 #include "MySQLDefinitions.h" |
17 | 27 |
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28 #include <Compatibility.h> // For std::unique_ptr<> |
152 | 29 #include <Logging.h> |
17 | 30 |
31 #include <boost/math/special_functions/round.hpp> | |
32 | |
33 | |
34 namespace OrthancDatabases | |
35 { | |
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36 void MySQLStorageArea::ConfigureDatabase(MySQLDatabase& db, |
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37 const MySQLParameters& parameters, |
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38 bool clearAll) |
17 | 39 { |
40 { | |
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41 MySQLDatabase::TransientAdvisoryLock lock(db, MYSQL_LOCK_DATABASE_SETUP); |
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42 MySQLTransaction t(db, TransactionType_ReadWrite); |
17 | 43 |
44 int64_t size; | |
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45 if (db.LookupGlobalIntegerVariable(size, "max_allowed_packet")) |
17 | 46 { |
47 int mb = boost::math::iround(static_cast<double>(size) / | |
48 static_cast<double>(1024 * 1024)); | |
49 LOG(WARNING) << "Your MySQL server cannot " | |
50 << "store DICOM files larger than " << mb << "MB"; | |
51 LOG(WARNING) << " => Consider increasing \"max_allowed_packet\" " | |
52 << "in \"my.cnf\" if this limit is insufficient for your use"; | |
53 } | |
54 else | |
55 { | |
56 LOG(WARNING) << "Unable to auto-detect the maximum size of DICOM " | |
57 << "files that can be stored in this MySQL server"; | |
58 } | |
59 | |
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60 if (clearAll) |
17 | 61 { |
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62 db.Execute("DROP TABLE IF EXISTS StorageArea", false); |
17 | 63 } |
64 | |
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65 db.Execute("CREATE TABLE IF NOT EXISTS StorageArea(" |
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66 "uuid VARCHAR(64) NOT NULL PRIMARY KEY," |
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67 "content LONGBLOB NOT NULL," |
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68 "type INTEGER NOT NULL)", false); |
17 | 69 |
70 t.Commit(); | |
71 } | |
72 | |
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73 /** |
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74 * WARNING: This lock must be acquired after |
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75 * "MYSQL_LOCK_DATABASE_SETUP" is released. Indeed, in MySQL < |
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76 * 5.7, it is impossible to acquire more than one lock at a time, |
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77 * as calling "SELECT GET_LOCK()" releases all the |
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78 * previously-acquired locks. |
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79 * https://dev.mysql.com/doc/refman/5.7/en/locking-functions.html |
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80 **/ |
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81 if (parameters.HasLock()) |
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82 { |
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83 db.AdvisoryLock(MYSQL_LOCK_STORAGE); |
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84 } |
17 | 85 } |
86 | |
87 | |
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88 MySQLStorageArea::MySQLStorageArea(const MySQLParameters& parameters, |
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89 bool clearAll) |
17 | 90 { |
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91 std::unique_ptr<MySQLDatabase> database(MySQLDatabase::OpenDatabaseConnection(parameters)); |
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92 |
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93 if (database.get() == NULL) |
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94 { |
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95 throw Orthanc::OrthancException(Orthanc::ErrorCode_InternalError); |
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96 } |
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97 |
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98 ConfigureDatabase(*database, parameters, clearAll); |
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99 SetDatabase(database.release()); |
17 | 100 } |
101 } |