Mercurial > hg > orthanc-databases
annotate Framework/Common/RetryDatabaseFactory.cpp @ 415:7e123f047771
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| author | Alain Mazy <am@osimis.io> |
|---|---|
| date | Thu, 22 Jun 2023 18:07:41 +0200 |
| parents | 3d6886f3e5b3 |
| children | ecd0b719cff5 |
| rev | line source |
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| 227 | 1 /** |
| 2 * Orthanc - A Lightweight, RESTful DICOM Store | |
| 3 * Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics | |
| 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 |
| 227 | 7 * |
| 8 * This program is free software: you can redistribute it and/or | |
| 9 * modify it under the terms of the GNU Affero General Public License | |
| 10 * as published by the Free Software Foundation, either version 3 of | |
| 11 * the License, or (at your option) any later version. | |
| 12 * | |
| 13 * This program is distributed in the hope that it will be useful, but | |
| 14 * WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
| 16 * Affero General Public License for more details. | |
| 17 * | |
| 18 * You should have received a copy of the GNU Affero General Public License | |
| 19 * along with this program. If not, see <http://www.gnu.org/licenses/>. | |
| 20 **/ | |
| 21 | |
| 22 | |
| 23 #include "RetryDatabaseFactory.h" | |
| 24 | |
| 25 #include <Logging.h> | |
| 26 #include <OrthancException.h> | |
| 27 | |
| 28 #include <boost/thread.hpp> | |
| 29 | |
| 30 | |
| 31 namespace OrthancDatabases | |
| 32 { | |
| 33 IDatabase* RetryDatabaseFactory::Open() | |
| 34 { | |
| 35 unsigned int count = 0; | |
| 36 | |
| 37 for (;;) | |
| 38 { | |
| 39 try | |
| 40 { | |
| 41 return TryOpen(); | |
| 42 } | |
| 43 catch (Orthanc::OrthancException& e) | |
| 44 { | |
| 45 if (e.GetErrorCode() == Orthanc::ErrorCode_DatabaseUnavailable) | |
| 46 { | |
| 47 count ++; | |
| 48 | |
| 49 if (count <= maxConnectionRetries_) | |
| 50 { | |
| 51 LOG(WARNING) << "Database is currently unavailable, retrying..."; | |
| 52 boost::this_thread::sleep(boost::posix_time::seconds(connectionRetryInterval_)); | |
| 53 continue; | |
| 54 } | |
| 55 else | |
| 56 { | |
| 57 LOG(ERROR) << "Timeout when connecting to the database, giving up"; | |
| 58 } | |
| 59 } | |
| 60 | |
| 61 throw; | |
| 62 } | |
| 63 } | |
| 64 } | |
| 65 } |