34 lines
757 B
C++
34 lines
757 B
C++
// (C) 2018-2023 by Folkert van Heusden
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// Released under MIT license
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#include <string>
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#include <sys/types.h>
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#include "disk_backend.h"
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#include "gen.h"
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class disk_backend_nbd : public disk_backend
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{
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private:
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const std::string host;
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const unsigned port { 0 };
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int fd { -1 };
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bool connect(const bool retry);
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public:
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disk_backend_nbd(const std::string & host, const unsigned port);
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virtual ~disk_backend_nbd();
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#if IS_POSIX
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json_t *serialize() const override;
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static disk_backend_nbd *deserialize(const json_t *const j);
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#endif
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bool begin() override;
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bool read(const off_t offset, const size_t n, uint8_t *const target) override;
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bool write(const off_t offset, const size_t n, const uint8_t *const from) override;
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};
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