.. _program_listing_file_BackendLibfabric_SendEndpointZeroCopy.hpp:

Program Listing for File SendEndpointZeroCopy.hpp
=================================================

|exhale_lsh| :ref:`Return to documentation for file <file_BackendLibfabric_SendEndpointZeroCopy.hpp>` (``BackendLibfabric/SendEndpointZeroCopy.hpp``)

.. |exhale_lsh| unicode:: U+021B0 .. UPWARDS ARROW WITH TIP LEFTWARDS

.. code-block:: cpp

   #ifndef NETIO3BACKEND_BACKENDLIBFABRIC_SENDENDPOINTZEROCOPY_HPP
   #define NETIO3BACKEND_BACKENDLIBFABRIC_SENDENDPOINTZEROCOPY_HPP
   
   #include <rdma/fabric.h>
   #include <rdma/fi_domain.h>
   
   #include <tbb/concurrent_queue.h>
   
   #include "ActiveEndpoint.hpp"
   #include "DomainManager.hpp"
   #include "Helpers.hpp"
   #include "netio3-backend/Netio3Backend.hpp"
   #include "Sender.hpp"
   #include "ZeroCopyBufferManager.hpp"
   
   namespace netio3::libfabric {
     class SendEndpointZeroCopy
     {
     public:
       SendEndpointZeroCopy(ActiveEndpoint& endpoint,
                            const ConnectionParametersSendZeroCopy& connection_params,
                            std::optional<ZeroCopyBufferManager>& shared_buffer_manager,
                            DomainManager& domain_manager);
   
       [[nodiscard]] auto operator<=>(const SendEndpointZeroCopy& other) const
       {
         return m_endpoint.get().get_endpoint().ep <=> other.m_endpoint.get().get_endpoint().ep;
       }
   
       [[nodiscard]] const ActiveEndpoint& get_active_endpoint() const { return m_endpoint.get(); }
       [[nodiscard]] ActiveEndpoint& get_active_endpoint() { return m_endpoint.get(); }
   
       [[nodiscard]] NetioStatus send_data(std::span<std::uint8_t> data,
                                           std::span<const std::uint8_t> header_data,
                                           std::uint64_t key,
                                           fi_addr_t addr = 0);
   
       [[nodiscard]] NetioStatus send_data(std::span<const iovec> iov,
                                           std::span<const std::uint8_t> header_data,
                                           std::uint64_t key,
                                           fi_addr_t addr = 0);
   
       [[nodiscard]] std::uint64_t release_buffer(std::uint64_t bufnum);
   
       [[nodiscard]] std::size_t get_num_available_buffers();
   
       [[nodiscard]] std::vector<std::uint64_t> get_pending_sends();
   
     private:
       [[nodiscard]] std::optional<ZeroCopyBufferManager> create_buffer_manager(
         const ConnectionParametersSendZeroCopy& connection_params,
         DomainManager& domain_manager) const;
   
       std::reference_wrapper<ActiveEndpoint> m_endpoint;
       ConnectionParametersSendZeroCopy m_conn_parameters{};
       Sender m_sender;
       std::optional<ZeroCopyBufferManager> m_buffer_manager;
       ZeroCopyBufferManager* m_buffer_manager_ptr{nullptr};
     };
   }  // namespace netio3::libfabric
   
   #endif  // NETIO3BACKEND_BACKENDLIBFABRIC_SENDENDPOINTZEROCOPY_HPP