Mercurial > hg > orthanc
annotate Core/Cache/SharedArchive.cpp @ 2172:84d1d392a9ab
GenerateUuid() not available in sandboxed environments
| author | Sebastien Jodogne <s.jodogne@gmail.com> |
|---|---|
| date | Wed, 23 Nov 2016 12:06:00 +0100 |
| parents | 5a8840920121 |
| children | a3a65de1840f |
| rev | line source |
|---|---|
| 1367 | 1 /** |
| 2 * Orthanc - A Lightweight, RESTful DICOM Store | |
| 1900 | 3 * Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics |
| 1367 | 4 * Department, University Hospital of Liege, Belgium |
| 5 * | |
| 6 * This program is free software: you can redistribute it and/or | |
| 7 * modify it under the terms of the GNU General Public License as | |
| 8 * published by the Free Software Foundation, either version 3 of the | |
| 9 * License, or (at your option) any later version. | |
| 10 * | |
| 11 * In addition, as a special exception, the copyright holders of this | |
| 12 * program give permission to link the code of its release with the | |
| 13 * OpenSSL project's "OpenSSL" library (or with modified versions of it | |
| 14 * that use the same license as the "OpenSSL" library), and distribute | |
| 15 * the linked executables. You must obey the GNU General Public License | |
| 16 * in all respects for all of the code used other than "OpenSSL". If you | |
| 17 * modify file(s) with this exception, you may extend this exception to | |
| 18 * your version of the file(s), but you are not obligated to do so. If | |
| 19 * you do not wish to do so, delete this exception statement from your | |
| 20 * version. If you delete this exception statement from all source files | |
| 21 * in the program, then also delete it here. | |
| 22 * | |
| 23 * This program is distributed in the hope that it will be useful, but | |
| 24 * WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 25 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
| 26 * General Public License for more details. | |
| 27 * | |
| 28 * You should have received a copy of the GNU General Public License | |
| 29 * along with this program. If not, see <http://www.gnu.org/licenses/>. | |
| 30 **/ | |
| 31 | |
| 32 | |
| 33 #include "../PrecompiledHeaders.h" | |
| 34 #include "SharedArchive.h" | |
| 35 | |
|
2172
84d1d392a9ab
GenerateUuid() not available in sandboxed environments
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
2142
diff
changeset
|
36 #include "../SystemToolbox.h" |
|
84d1d392a9ab
GenerateUuid() not available in sandboxed environments
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
2142
diff
changeset
|
37 |
| 1367 | 38 |
| 39 namespace Orthanc | |
| 40 { | |
| 41 void SharedArchive::RemoveInternal(const std::string& id) | |
| 42 { | |
| 43 Archive::iterator it = archive_.find(id); | |
| 44 | |
| 45 if (it != archive_.end()) | |
| 46 { | |
| 47 delete it->second; | |
| 48 archive_.erase(it); | |
| 49 } | |
| 50 } | |
| 51 | |
| 52 | |
| 53 SharedArchive::Accessor::Accessor(SharedArchive& that, | |
| 54 const std::string& id) : | |
| 55 lock_(that.mutex_) | |
| 56 { | |
| 57 Archive::iterator it = that.archive_.find(id); | |
| 58 | |
| 59 if (it == that.archive_.end()) | |
| 60 { | |
| 61 throw OrthancException(ErrorCode_InexistentItem); | |
| 62 } | |
| 63 else | |
| 64 { | |
| 65 that.lru_.MakeMostRecent(id); | |
| 66 item_ = it->second; | |
| 67 } | |
| 68 } | |
| 69 | |
| 70 | |
| 1368 | 71 SharedArchive::SharedArchive(size_t maxSize) : |
| 72 maxSize_(maxSize) | |
| 73 { | |
| 74 if (maxSize == 0) | |
| 75 { | |
| 76 throw OrthancException(ErrorCode_ParameterOutOfRange); | |
| 77 } | |
| 78 } | |
| 79 | |
| 80 | |
| 1367 | 81 SharedArchive::~SharedArchive() |
| 82 { | |
| 83 for (Archive::iterator it = archive_.begin(); | |
| 1386 | 84 it != archive_.end(); ++it) |
| 1367 | 85 { |
| 86 delete it->second; | |
| 87 } | |
| 88 } | |
| 89 | |
| 90 | |
| 91 std::string SharedArchive::Add(IDynamicObject* obj) | |
| 92 { | |
| 93 boost::mutex::scoped_lock lock(mutex_); | |
| 94 | |
| 95 if (archive_.size() == maxSize_) | |
| 96 { | |
| 97 // The quota has been reached, remove the oldest element | |
| 98 std::string oldest = lru_.RemoveOldest(); | |
| 99 RemoveInternal(oldest); | |
| 100 } | |
| 101 | |
|
2172
84d1d392a9ab
GenerateUuid() not available in sandboxed environments
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
2142
diff
changeset
|
102 std::string id = SystemToolbox::GenerateUuid(); |
| 1367 | 103 RemoveInternal(id); // Should never be useful because of UUID |
| 104 archive_[id] = obj; | |
| 105 lru_.Add(id); | |
| 106 | |
| 107 return id; | |
| 108 } | |
| 109 | |
| 110 | |
| 111 void SharedArchive::Remove(const std::string& id) | |
| 112 { | |
| 113 boost::mutex::scoped_lock lock(mutex_); | |
| 114 RemoveInternal(id); | |
| 115 lru_.Invalidate(id); | |
| 116 } | |
| 117 | |
| 118 | |
| 119 void SharedArchive::List(std::list<std::string>& items) | |
| 120 { | |
| 121 items.clear(); | |
| 122 | |
| 123 boost::mutex::scoped_lock lock(mutex_); | |
| 124 | |
| 125 for (Archive::const_iterator it = archive_.begin(); | |
| 1386 | 126 it != archive_.end(); ++it) |
| 1367 | 127 { |
| 128 items.push_back(it->first); | |
| 129 } | |
| 130 } | |
| 131 } | |
| 132 | |
| 133 |