--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/OrthancFramework/Sources/HttpServer/BufferHttpSender.cpp	Wed Jun 10 20:30:34 2020 +0200
@@ -0,0 +1,85 @@
+/**
+ * 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 "../PrecompiledHeaders.h"
+#include "BufferHttpSender.h"
+
+#include "../OrthancException.h"
+
+#include <cassert>
+
+namespace Orthanc
+{
+  BufferHttpSender::BufferHttpSender() :
+    position_(0), 
+    chunkSize_(0),
+    currentChunkSize_(0)
+  {
+  }
+
+
+  bool BufferHttpSender::ReadNextChunk()
+  {
+    assert(position_ + currentChunkSize_ <= buffer_.size());
+
+    position_ += currentChunkSize_;
+
+    if (position_ == buffer_.size())
+    {
+      return false;
+    }
+    else
+    {
+      currentChunkSize_ = buffer_.size() - position_;
+
+      if (chunkSize_ != 0 &&
+          currentChunkSize_ > chunkSize_)
+      {
+        currentChunkSize_ = chunkSize_;
+      }
+
+      return true;
+    }
+  }
+
+
+  const char* BufferHttpSender::GetChunkContent()
+  {
+    return buffer_.c_str() + position_;
+  }
+
+
+  size_t BufferHttpSender::GetChunkSize()
+  {
+    return currentChunkSize_;
+  }
+}