--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/OrthancServer/Sources/StorageCommitmentReports.cpp	Wed Jun 10 20:30:34 2020 +0200
@@ -0,0 +1,272 @@
+/**
+ * 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/>.
+ **/
+
+
+#include "PrecompiledHeadersServer.h"
+#include "StorageCommitmentReports.h"
+
+#include "../Core/OrthancException.h"
+
+namespace Orthanc
+{
+  void StorageCommitmentReports::Report::MarkAsComplete()
+  {
+    if (isComplete_)
+    {
+      throw OrthancException(ErrorCode_BadSequenceOfCalls);
+    }
+    else
+    {
+      isComplete_ = true;
+    }
+  }
+
+  void StorageCommitmentReports::Report::AddSuccess(const std::string& sopClassUid,
+                                                    const std::string& sopInstanceUid)
+  {
+    if (isComplete_)
+    {
+      throw OrthancException(ErrorCode_BadSequenceOfCalls);
+    }
+    else
+    {
+      Success success;
+      success.sopClassUid_ = sopClassUid;
+      success.sopInstanceUid_ = sopInstanceUid;
+      success_.push_back(success);
+    }
+  }
+
+  void StorageCommitmentReports::Report::AddFailure(const std::string& sopClassUid,
+                                                    const std::string& sopInstanceUid,
+                                                    StorageCommitmentFailureReason reason)
+  {
+    if (isComplete_)
+    {
+      throw OrthancException(ErrorCode_BadSequenceOfCalls);
+    }
+    else
+    {
+      Failure failure;
+      failure.sopClassUid_ = sopClassUid;
+      failure.sopInstanceUid_ = sopInstanceUid;
+      failure.reason_ = reason;
+      failures_.push_back(failure);
+    }
+  }
+
+  
+  StorageCommitmentReports::Report::Status StorageCommitmentReports::Report::GetStatus() const
+  {
+    if (!isComplete_)
+    {
+      return Status_Pending;
+    }
+    else if (failures_.empty())
+    {
+      return Status_Success;
+    }
+    else
+    {
+      return Status_Failure;
+    }
+  }
+
+
+  void StorageCommitmentReports::Report::Format(Json::Value& json) const
+  {
+    static const char* const FIELD_STATUS = "Status";
+    static const char* const FIELD_SOP_CLASS_UID = "SOPClassUID";
+    static const char* const FIELD_SOP_INSTANCE_UID = "SOPInstanceUID";
+    static const char* const FIELD_FAILURE_REASON = "FailureReason";
+    static const char* const FIELD_DESCRIPTION = "Description";
+    static const char* const FIELD_REMOTE_AET = "RemoteAET";
+    static const char* const FIELD_SUCCESS = "Success";
+    static const char* const FIELD_FAILURES = "Failures";
+
+    
+    json = Json::objectValue;
+    json[FIELD_REMOTE_AET] = remoteAet_;
+
+    bool pending;
+    
+    switch (GetStatus())
+    {
+      case Status_Pending:
+        json[FIELD_STATUS] = "Pending";
+        pending = true;
+        break;
+
+      case Status_Success:
+        json[FIELD_STATUS] = "Success";
+        pending = false;
+        break;
+
+      case Status_Failure:
+        json[FIELD_STATUS] = "Failure";
+        pending = false;
+        break;
+
+      default:
+        throw OrthancException(ErrorCode_InternalError);
+    }
+
+    if (!pending)
+    {
+      {
+        Json::Value success = Json::arrayValue;
+        for (std::list<Success>::const_iterator
+               it = success_.begin(); it != success_.end(); ++it)
+        {
+          Json::Value item = Json::objectValue;
+          item[FIELD_SOP_CLASS_UID] = it->sopClassUid_;
+          item[FIELD_SOP_INSTANCE_UID] = it->sopInstanceUid_;
+          success.append(item);
+        }
+
+        json[FIELD_SUCCESS] = success;
+      }
+
+      {
+        Json::Value failures = Json::arrayValue;
+        for (std::list<Failure>::const_iterator
+               it = failures_.begin(); it != failures_.end(); ++it)
+        {
+          Json::Value item = Json::objectValue;
+          item[FIELD_SOP_CLASS_UID] = it->sopClassUid_;
+          item[FIELD_SOP_INSTANCE_UID] = it->sopInstanceUid_;
+          item[FIELD_FAILURE_REASON] = it->reason_;
+          item[FIELD_DESCRIPTION] = EnumerationToString(it->reason_);
+          failures.append(item);
+        }
+
+        json[FIELD_FAILURES] = failures;
+      }
+    }
+  }
+
+
+  void StorageCommitmentReports::Report::GetSuccessSopInstanceUids(
+    std::vector<std::string>& target) const
+  {
+    target.clear();
+    target.reserve(success_.size());
+
+    for (std::list<Success>::const_iterator
+           it = success_.begin(); it != success_.end(); ++it)
+    {
+      target.push_back(it->sopInstanceUid_);
+    }
+  }
+
+
+  StorageCommitmentReports::~StorageCommitmentReports()
+  {
+    while (!content_.IsEmpty())
+    {
+      Report* report = NULL;
+      content_.RemoveOldest(report);
+
+      assert(report != NULL);
+      delete report;
+    }
+  }
+
+  
+  void StorageCommitmentReports::Store(const std::string& transactionUid,
+                                       Report* report)
+  {
+    std::unique_ptr<Report> protection(report);
+    
+    boost::mutex::scoped_lock lock(mutex_);
+
+    {
+      Report* previous = NULL;
+      if (content_.Contains(transactionUid, previous))
+      {
+        assert(previous != NULL);
+        delete previous;
+
+        content_.Invalidate(transactionUid);
+      }
+    }
+
+    assert(maxSize_ == 0 ||
+           content_.GetSize() <= maxSize_);
+
+    if (maxSize_ != 0 &&
+        content_.GetSize() == maxSize_)
+    {
+      assert(!content_.IsEmpty());
+      
+      Report* oldest = NULL;
+      content_.RemoveOldest(oldest);
+
+      assert(oldest != NULL);
+      delete oldest;
+    }
+
+    assert(maxSize_ == 0 ||
+           content_.GetSize() < maxSize_);
+
+    content_.Add(transactionUid, protection.release());
+  }
+
+
+  StorageCommitmentReports::Accessor::Accessor(StorageCommitmentReports& that,
+                                               const std::string& transactionUid) :
+    lock_(that.mutex_),
+    transactionUid_(transactionUid)
+  {
+    if (that.content_.Contains(transactionUid, report_))
+    {
+      that.content_.MakeMostRecent(transactionUid);
+    }
+    else
+    {
+      report_ = NULL;
+    }
+  }
+
+  const StorageCommitmentReports::Report&
+  StorageCommitmentReports::Accessor::GetReport() const
+  {
+    if (report_ == NULL)
+    {
+      throw OrthancException(ErrorCode_BadSequenceOfCalls);
+    }
+    else
+    {
+      return *report_;
+    }
+  }
+}