// (C) 2018-2023 by Folkert van Heusden // Released under MIT license #include #include #include "disk_backend.h" class disk_backend_nbd : public disk_backend { private: const std::string host; const unsigned port { 0 }; int fd { -1 }; bool connect(const bool retry); public: disk_backend_nbd(const std::string & host, const unsigned port); virtual ~disk_backend_nbd(); bool begin() override; bool read(const off_t offset, const size_t n, uint8_t *const target) override; bool write(const off_t offset, const size_t n, const uint8_t *const from) override; };