New cpp folder structure

Signed-off-by: Alexander Borsuk <me@alex.bio>

libs/base/shared_buffer_manager.hpp

@@ -0,0 +1,30 @@
+#pragma once
+
+#include <list>
+#include <map>
+#include <memory>
+#include <mutex>
+#include <vector>
+
+class SharedBufferManager
+{
+public:
+  typedef std::vector<uint8_t> shared_buffer_t;
+  typedef std::shared_ptr<shared_buffer_t> shared_buffer_ptr_t;
+  typedef std::list<shared_buffer_ptr_t> shared_buffer_ptr_list_t;
+  typedef std::map<size_t, shared_buffer_ptr_list_t> shared_buffers_t;
+private:
+
+  std::mutex m_mutex;
+  shared_buffers_t m_sharedBuffers;
+
+public:
+  static SharedBufferManager & instance();
+
+  void clearReserved();
+
+  shared_buffer_ptr_t reserveSharedBuffer(size_t s);
+  void freeSharedBuffer(size_t s, shared_buffer_ptr_t buf);
+
+  static uint8_t * GetRawPointer(shared_buffer_ptr_t ptr);
+};