memory_handle.h

#pragma once
#include <memory>
#include <string>
#include <utility>
 
#include <ucp/api/ucp.h>
 
#include <ucxx/component.h>
#include <ucxx/context.h>
#include <ucxx/memory_handle_builder.h>
#include <ucxx/remote_key_builder.h>
 
namespace ucxx {
 
class RemoteKey;

class MemoryHandle : public Component {
 private:
  ucp_mem_h _handle{};       
  size_t _size{0};           
  uint64_t _baseAddress{0};  
  ucs_memory_type_t _memoryType{
    UCS_MEMORY_TYPE_HOST};  

  MemoryHandle(std::shared_ptr<Context> context,
               const size_t size,
               void* buffer,
               const ucs_memory_type_t memoryType);
 
 public:
  MemoryHandle()                               = delete;
  MemoryHandle(const MemoryHandle&)            = delete;
  MemoryHandle& operator=(MemoryHandle const&) = delete;
  MemoryHandle(MemoryHandle&& o)               = delete;
  MemoryHandle& operator=(MemoryHandle&& o)    = delete;
 
  // Allow internal construction without exposing factory functions.
  friend class detail::ConstructorFactory;
 
  ~MemoryHandle();

  [[nodiscard]] ucp_mem_h getHandle();

  [[nodiscard]] size_t getSize() const;

  [[nodiscard]] uint64_t getBaseAddress();

  [[nodiscard]] ucs_memory_type_t getMemoryType();

  [[nodiscard]] RemoteKeyBuilder remoteKeyBuilder();
};
 
}  // namespace ucxx