Mercurial > hg > orthanc-databases
annotate MySQL/Plugins/MySQLStorageArea.cpp @ 157:275e14f57f1e
replacing deprecated std::auto_ptr by std::unique_ptr
| author | Sebastien Jodogne <s.jodogne@gmail.com> |
|---|---|
| date | Mon, 06 Jul 2020 12:45:58 +0200 |
| parents | 063aa53b5917 |
| children | 3236894320d6 |
| rev | line source |
|---|---|
| 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 | |
|
140
4cd7e45b671e
upgrade to year 2020
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
137
diff
changeset
|
5 * Copyright (C) 2017-2020 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" | |
|
137
52b3859ee0b7
MySQL: acquiring named locks instead of numbers
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
135
diff
changeset
|
26 #include "MySQLDefinitions.h" |
| 17 | 27 |
|
157
275e14f57f1e
replacing deprecated std::auto_ptr by std::unique_ptr
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
152
diff
changeset
|
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 { | |
| 36 IDatabase* MySQLStorageArea::OpenInternal() | |
| 37 { | |
|
157
275e14f57f1e
replacing deprecated std::auto_ptr by std::unique_ptr
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
152
diff
changeset
|
38 std::unique_ptr<MySQLDatabase> db(new MySQLDatabase(parameters_)); |
| 17 | 39 |
| 40 db->Open(); | |
| 41 | |
| 42 { | |
|
137
52b3859ee0b7
MySQL: acquiring named locks instead of numbers
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
135
diff
changeset
|
43 MySQLDatabase::TransientAdvisoryLock lock(*db, MYSQL_LOCK_DATABASE_SETUP); |
| 17 | 44 MySQLTransaction t(*db); |
| 45 | |
| 46 int64_t size; | |
| 47 if (db->LookupGlobalIntegerVariable(size, "max_allowed_packet")) | |
| 48 { | |
| 49 int mb = boost::math::iround(static_cast<double>(size) / | |
| 50 static_cast<double>(1024 * 1024)); | |
| 51 LOG(WARNING) << "Your MySQL server cannot " | |
| 52 << "store DICOM files larger than " << mb << "MB"; | |
| 53 LOG(WARNING) << " => Consider increasing \"max_allowed_packet\" " | |
| 54 << "in \"my.cnf\" if this limit is insufficient for your use"; | |
| 55 } | |
| 56 else | |
| 57 { | |
| 58 LOG(WARNING) << "Unable to auto-detect the maximum size of DICOM " | |
| 59 << "files that can be stored in this MySQL server"; | |
| 60 } | |
| 61 | |
| 62 if (clearAll_) | |
| 63 { | |
| 64 db->Execute("DROP TABLE IF EXISTS StorageArea", false); | |
| 65 } | |
| 66 | |
| 67 db->Execute("CREATE TABLE IF NOT EXISTS StorageArea(" | |
| 68 "uuid VARCHAR(64) NOT NULL PRIMARY KEY," | |
| 69 "content LONGBLOB NOT NULL," | |
| 70 "type INTEGER NOT NULL)", false); | |
| 71 | |
| 72 t.Commit(); | |
| 73 } | |
| 74 | |
|
137
52b3859ee0b7
MySQL: acquiring named locks instead of numbers
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
135
diff
changeset
|
75 /** |
|
52b3859ee0b7
MySQL: acquiring named locks instead of numbers
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
135
diff
changeset
|
76 * WARNING: This lock must be acquired after |
|
52b3859ee0b7
MySQL: acquiring named locks instead of numbers
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
135
diff
changeset
|
77 * "MYSQL_LOCK_DATABASE_SETUP" is released. Indeed, in MySQL < |
|
52b3859ee0b7
MySQL: acquiring named locks instead of numbers
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
135
diff
changeset
|
78 * 5.7, it is impossible to acquire more than one lock at a time, |
|
52b3859ee0b7
MySQL: acquiring named locks instead of numbers
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
135
diff
changeset
|
79 * as calling "SELECT GET_LOCK()" releases all the |
|
52b3859ee0b7
MySQL: acquiring named locks instead of numbers
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
135
diff
changeset
|
80 * previously-acquired locks. |
|
52b3859ee0b7
MySQL: acquiring named locks instead of numbers
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
135
diff
changeset
|
81 * https://dev.mysql.com/doc/refman/5.7/en/locking-functions.html |
|
52b3859ee0b7
MySQL: acquiring named locks instead of numbers
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
135
diff
changeset
|
82 **/ |
|
52b3859ee0b7
MySQL: acquiring named locks instead of numbers
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
135
diff
changeset
|
83 if (parameters_.HasLock()) |
|
52b3859ee0b7
MySQL: acquiring named locks instead of numbers
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
135
diff
changeset
|
84 { |
|
52b3859ee0b7
MySQL: acquiring named locks instead of numbers
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
135
diff
changeset
|
85 db->AdvisoryLock(MYSQL_LOCK_STORAGE); |
|
52b3859ee0b7
MySQL: acquiring named locks instead of numbers
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
135
diff
changeset
|
86 } |
|
52b3859ee0b7
MySQL: acquiring named locks instead of numbers
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
135
diff
changeset
|
87 |
| 17 | 88 return db.release(); |
| 89 } | |
| 90 | |
| 91 | |
| 92 MySQLStorageArea::MySQLStorageArea(const MySQLParameters& parameters) : | |
| 93 StorageBackend(new Factory(*this)), | |
| 94 parameters_(parameters), | |
| 95 clearAll_(false) | |
| 96 { | |
| 97 } | |
| 98 } |