--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/MySQL/Plugins/MySQLStorageArea.cpp	Tue Jul 10 10:33:02 2018 +0200
@@ -0,0 +1,87 @@
+/**
+ * Orthanc - A Lightweight, RESTful DICOM Store
+ * Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics
+ * Department, University Hospital of Liege, Belgium
+ * Copyright (C) 2017-2018 Osimis S.A., Belgium
+ *
+ * This program is free software: you can redistribute it and/or
+ * modify it under the terms of the GNU Affero General Public License
+ * as published by the Free Software Foundation, either version 3 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Affero General Public License for more details.
+ * 
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ **/
+
+
+#include "MySQLStorageArea.h"
+
+#include "../../Framework/MySQL/MySQLDatabase.h"
+#include "../../Framework/MySQL/MySQLTransaction.h"
+
+#include <Core/Logging.h>
+
+#include <boost/math/special_functions/round.hpp>
+
+
+namespace OrthancDatabases
+{
+  IDatabase* MySQLStorageArea::OpenInternal()
+  {
+    std::auto_ptr<MySQLDatabase> db(new MySQLDatabase(parameters_));
+
+    db->Open();
+
+    if (parameters_.HasLock())
+    {
+      db->AdvisoryLock(43 /* some arbitrary constant */);
+    }
+
+    {
+      MySQLTransaction t(*db);
+
+      int64_t size;
+      if (db->LookupGlobalIntegerVariable(size, "max_allowed_packet"))
+      {
+        int mb = boost::math::iround(static_cast<double>(size) /
+                                     static_cast<double>(1024 * 1024));
+        LOG(WARNING) << "Your MySQL server cannot "
+                     << "store DICOM files larger than " << mb << "MB";
+        LOG(WARNING) << "  => Consider increasing \"max_allowed_packet\" "
+                     << "in \"my.cnf\" if this limit is insufficient for your use";
+      }
+      else
+      {
+        LOG(WARNING) << "Unable to auto-detect the maximum size of DICOM "
+                     << "files that can be stored in this MySQL server";
+      }
+               
+      if (clearAll_)
+      {
+        db->Execute("DROP TABLE IF EXISTS StorageArea", false);
+      }
+
+      db->Execute("CREATE TABLE IF NOT EXISTS StorageArea("
+                  "uuid VARCHAR(64) NOT NULL PRIMARY KEY,"
+                  "content LONGBLOB NOT NULL,"
+                  "type INTEGER NOT NULL)", false);
+
+      t.Commit();
+    }
+
+    return db.release();
+  }
+
+
+  MySQLStorageArea::MySQLStorageArea(const MySQLParameters& parameters) :
+    StorageBackend(new Factory(*this)),
+    parameters_(parameters),
+    clearAll_(false)
+  {
+  }
+}