--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/OrthancServer/Plugins/Engine/OrthancPluginDatabase.h	Wed Jun 10 20:30:34 2020 +0200
@@ -0,0 +1,376 @@
+/**
+ * Orthanc - A Lightweight, RESTful DICOM Store
+ * Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics
+ * Department, University Hospital of Liege, Belgium
+ * Copyright (C) 2017-2020 Osimis S.A., Belgium
+ *
+ * This program is free software: you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation, either version 3 of the
+ * License, or (at your option) any later version.
+ *
+ * In addition, as a special exception, the copyright holders of this
+ * program give permission to link the code of its release with the
+ * OpenSSL project's "OpenSSL" library (or with modified versions of it
+ * that use the same license as the "OpenSSL" library), and distribute
+ * the linked executables. You must obey the GNU General Public License
+ * in all respects for all of the code used other than "OpenSSL". If you
+ * modify file(s) with this exception, you may extend this exception to
+ * your version of the file(s), but you are not obligated to do so. If
+ * you do not wish to do so, delete this exception statement from your
+ * version. If you delete this exception statement from all source files
+ * in the program, then also delete it here.
+ * 
+ * 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
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ **/
+
+
+#pragma once
+
+#if ORTHANC_ENABLE_PLUGINS == 1
+
+#include "../../Core/SharedLibrary.h"
+#include "../../OrthancServer/Database/Compatibility/ICreateInstance.h"
+#include "../../OrthancServer/Database/Compatibility/IGetChildrenMetadata.h"
+#include "../../OrthancServer/Database/Compatibility/ILookupResources.h"
+#include "../../OrthancServer/Database/Compatibility/ILookupResourceAndParent.h"
+#include "../../OrthancServer/Database/Compatibility/ISetResourcesContent.h"
+#include "../Include/orthanc/OrthancCDatabasePlugin.h"
+#include "PluginsErrorDictionary.h"
+
+namespace Orthanc
+{
+  class OrthancPluginDatabase :
+    public IDatabaseWrapper,
+    public Compatibility::ICreateInstance,
+    public Compatibility::IGetChildrenMetadata,
+    public Compatibility::ILookupResources,
+    public Compatibility::ILookupResourceAndParent,
+    public Compatibility::ISetResourcesContent
+  {
+  private:
+    class Transaction;
+
+    typedef std::pair<int64_t, ResourceType>     AnswerResource;
+    typedef std::map<MetadataType, std::string>  AnswerMetadata;
+
+    SharedLibrary&  library_;
+    PluginsErrorDictionary&  errorDictionary_;
+    _OrthancPluginDatabaseAnswerType type_;
+    OrthancPluginDatabaseBackend backend_;
+    OrthancPluginDatabaseExtensions extensions_;
+    void* payload_;
+    IDatabaseListener* listener_;
+
+    bool      fastGetTotalSize_;
+    uint64_t  currentDiskSize_;
+
+    std::list<std::string>         answerStrings_;
+    std::list<int32_t>             answerInt32_;
+    std::list<int64_t>             answerInt64_;
+    std::list<AnswerResource>      answerResources_;
+    std::list<FileInfo>            answerAttachments_;
+
+    DicomMap*                      answerDicomMap_;
+    std::list<ServerIndexChange>*  answerChanges_;
+    std::list<ExportedResource>*   answerExportedResources_;
+    bool*                          answerDone_;
+    std::list<std::string>*        answerMatchingResources_;
+    std::list<std::string>*        answerMatchingInstances_;
+    AnswerMetadata*                answerMetadata_;
+
+    OrthancPluginDatabaseContext* GetContext()
+    {
+      return reinterpret_cast<OrthancPluginDatabaseContext*>(this);
+    }
+
+    void CheckSuccess(OrthancPluginErrorCode code);
+
+    void ResetAnswers();
+
+    void ForwardAnswers(std::list<int64_t>& target);
+
+    void ForwardAnswers(std::list<std::string>& target);
+
+    bool ForwardSingleAnswer(std::string& target);
+
+    bool ForwardSingleAnswer(int64_t& target);
+
+  public:
+    OrthancPluginDatabase(SharedLibrary& library,
+                          PluginsErrorDictionary&  errorDictionary,
+                          const OrthancPluginDatabaseBackend& backend,
+                          const OrthancPluginDatabaseExtensions* extensions,
+                          size_t extensionsSize,
+                          void *payload);
+
+    virtual void Open() 
+      ORTHANC_OVERRIDE;
+
+    virtual void Close() 
+      ORTHANC_OVERRIDE
+    {
+      CheckSuccess(backend_.close(payload_));
+    }
+
+    const SharedLibrary& GetSharedLibrary() const
+    {
+      return library_;
+    }
+
+    virtual void AddAttachment(int64_t id,
+                               const FileInfo& attachment) 
+      ORTHANC_OVERRIDE;
+
+    virtual void AttachChild(int64_t parent,
+                             int64_t child) 
+      ORTHANC_OVERRIDE;
+
+    virtual void ClearChanges() 
+      ORTHANC_OVERRIDE;
+
+    virtual void ClearExportedResources() 
+      ORTHANC_OVERRIDE;
+
+    virtual int64_t CreateResource(const std::string& publicId,
+                                   ResourceType type) 
+      ORTHANC_OVERRIDE;
+
+    virtual void DeleteAttachment(int64_t id,
+                                  FileContentType attachment) 
+      ORTHANC_OVERRIDE;
+
+    virtual void DeleteMetadata(int64_t id,
+                                MetadataType type) 
+      ORTHANC_OVERRIDE;
+
+    virtual void DeleteResource(int64_t id) 
+      ORTHANC_OVERRIDE;
+
+    virtual void FlushToDisk() 
+      ORTHANC_OVERRIDE
+    {
+    }
+
+    virtual bool HasFlushToDisk() const 
+      ORTHANC_OVERRIDE
+    {
+      return false;
+    }
+
+    virtual void GetAllMetadata(std::map<MetadataType, std::string>& target,
+                                int64_t id) 
+      ORTHANC_OVERRIDE;
+
+    virtual void GetAllPublicIds(std::list<std::string>& target,
+                                 ResourceType resourceType) 
+      ORTHANC_OVERRIDE;
+
+    virtual void GetAllPublicIds(std::list<std::string>& target,
+                                 ResourceType resourceType,
+                                 size_t since,
+                                 size_t limit) 
+      ORTHANC_OVERRIDE;
+
+    virtual void GetChanges(std::list<ServerIndexChange>& target /*out*/,
+                            bool& done /*out*/,
+                            int64_t since,
+                            uint32_t maxResults) 
+      ORTHANC_OVERRIDE;
+
+    virtual void GetChildrenInternalId(std::list<int64_t>& target,
+                                       int64_t id) 
+      ORTHANC_OVERRIDE;
+
+    virtual void GetChildrenPublicId(std::list<std::string>& target,
+                                     int64_t id) 
+      ORTHANC_OVERRIDE;
+
+    virtual void GetExportedResources(std::list<ExportedResource>& target /*out*/,
+                                      bool& done /*out*/,
+                                      int64_t since,
+                                      uint32_t maxResults) 
+      ORTHANC_OVERRIDE;
+
+    virtual void GetLastChange(std::list<ServerIndexChange>& target /*out*/) 
+      ORTHANC_OVERRIDE;
+
+    virtual void GetLastExportedResource(std::list<ExportedResource>& target /*out*/) 
+      ORTHANC_OVERRIDE;
+
+    virtual void GetMainDicomTags(DicomMap& map,
+                                  int64_t id) 
+      ORTHANC_OVERRIDE;
+
+    virtual std::string GetPublicId(int64_t resourceId) 
+      ORTHANC_OVERRIDE;
+
+    virtual uint64_t GetResourceCount(ResourceType resourceType) 
+      ORTHANC_OVERRIDE;
+
+    virtual ResourceType GetResourceType(int64_t resourceId) 
+      ORTHANC_OVERRIDE;
+
+    virtual uint64_t GetTotalCompressedSize() 
+      ORTHANC_OVERRIDE;
+    
+    virtual uint64_t GetTotalUncompressedSize() 
+      ORTHANC_OVERRIDE;
+
+    virtual bool IsExistingResource(int64_t internalId) 
+      ORTHANC_OVERRIDE;
+
+    virtual bool IsProtectedPatient(int64_t internalId) 
+      ORTHANC_OVERRIDE;
+
+    virtual void ListAvailableAttachments(std::list<FileContentType>& target,
+                                          int64_t id) 
+      ORTHANC_OVERRIDE;
+
+    virtual void LogChange(int64_t internalId,
+                           const ServerIndexChange& change) 
+      ORTHANC_OVERRIDE;
+
+    virtual void LogExportedResource(const ExportedResource& resource) 
+      ORTHANC_OVERRIDE;
+    
+    virtual bool LookupAttachment(FileInfo& attachment,
+                                  int64_t id,
+                                  FileContentType contentType) 
+      ORTHANC_OVERRIDE;
+
+    virtual bool LookupGlobalProperty(std::string& target,
+                                      GlobalProperty property) 
+      ORTHANC_OVERRIDE;
+
+    virtual bool LookupMetadata(std::string& target,
+                                int64_t id,
+                                MetadataType type) 
+      ORTHANC_OVERRIDE;
+
+    virtual bool LookupParent(int64_t& parentId,
+                              int64_t resourceId) 
+      ORTHANC_OVERRIDE;
+
+    virtual bool LookupResource(int64_t& id,
+                                ResourceType& type,
+                                const std::string& publicId) 
+      ORTHANC_OVERRIDE;
+
+    virtual bool SelectPatientToRecycle(int64_t& internalId) 
+      ORTHANC_OVERRIDE;
+
+    virtual bool SelectPatientToRecycle(int64_t& internalId,
+                                        int64_t patientIdToAvoid) 
+      ORTHANC_OVERRIDE;
+
+    virtual void SetGlobalProperty(GlobalProperty property,
+                                   const std::string& value) 
+      ORTHANC_OVERRIDE;
+
+    virtual void ClearMainDicomTags(int64_t id) 
+      ORTHANC_OVERRIDE;
+
+    virtual void SetMainDicomTag(int64_t id,
+                                 const DicomTag& tag,
+                                 const std::string& value) 
+      ORTHANC_OVERRIDE;
+
+    virtual void SetIdentifierTag(int64_t id,
+                                  const DicomTag& tag,
+                                  const std::string& value) 
+      ORTHANC_OVERRIDE;
+
+    virtual void SetMetadata(int64_t id,
+                             MetadataType type,
+                             const std::string& value) 
+      ORTHANC_OVERRIDE;
+
+    virtual void SetProtectedPatient(int64_t internalId, 
+                                     bool isProtected) 
+      ORTHANC_OVERRIDE;
+
+    virtual IDatabaseWrapper::ITransaction* StartTransaction() 
+      ORTHANC_OVERRIDE;
+
+    virtual void SetListener(IDatabaseListener& listener) 
+      ORTHANC_OVERRIDE
+    {
+      listener_ = &listener;
+    }
+
+    virtual unsigned int GetDatabaseVersion() 
+      ORTHANC_OVERRIDE;
+
+    virtual void Upgrade(unsigned int targetVersion,
+                         IStorageArea& storageArea) 
+      ORTHANC_OVERRIDE;
+
+    void AnswerReceived(const _OrthancPluginDatabaseAnswer& answer);
+
+    virtual bool IsDiskSizeAbove(uint64_t threshold) 
+      ORTHANC_OVERRIDE;
+
+    virtual void ApplyLookupResources(std::list<std::string>& resourcesId,
+                                      std::list<std::string>* instancesId,
+                                      const std::vector<DatabaseConstraint>& lookup,
+                                      ResourceType queryLevel,
+                                      size_t limit)
+      ORTHANC_OVERRIDE;
+
+    virtual bool CreateInstance(CreateInstanceResult& result,
+                                int64_t& instanceId,
+                                const std::string& patient,
+                                const std::string& study,
+                                const std::string& series,
+                                const std::string& instance)
+      ORTHANC_OVERRIDE;
+
+    // From the "ILookupResources" interface
+    virtual void GetAllInternalIds(std::list<int64_t>& target,
+                                   ResourceType resourceType) 
+      ORTHANC_OVERRIDE;
+
+    // From the "ILookupResources" interface
+    virtual void LookupIdentifier(std::list<int64_t>& result,
+                                  ResourceType level,
+                                  const DicomTag& tag,
+                                  Compatibility::IdentifierConstraintType type,
+                                  const std::string& value)
+      ORTHANC_OVERRIDE;
+    
+    // From the "ILookupResources" interface
+    virtual void LookupIdentifierRange(std::list<int64_t>& result,
+                                       ResourceType level,
+                                       const DicomTag& tag,
+                                       const std::string& start,
+                                       const std::string& end)
+      ORTHANC_OVERRIDE;
+
+    virtual void SetResourcesContent(const Orthanc::ResourcesContent& content)
+      ORTHANC_OVERRIDE;
+
+    virtual void GetChildrenMetadata(std::list<std::string>& target,
+                                     int64_t resourceId,
+                                     MetadataType metadata)
+      ORTHANC_OVERRIDE;
+
+    virtual int64_t GetLastChangeIndex() ORTHANC_OVERRIDE;
+  
+    virtual void TagMostRecentPatient(int64_t patient) ORTHANC_OVERRIDE;
+
+    virtual bool LookupResourceAndParent(int64_t& id,
+                                         ResourceType& type,
+                                         std::string& parentPublicId,
+                                         const std::string& publicId)
+      ORTHANC_OVERRIDE;
+  };
+}
+
+#endif