--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/OrthancServer/StorageCommitmentReports.cpp	Tue Mar 10 17:43:49 2020 +0100
@@ -0,0 +1,185 @@
+/**
+ * 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;
+      successes_.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;
+    }
+  }
+
+
+  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_;
+    }
+  }
+}