| 1 | // Copyright (C) Microsoft Corporation. All rights reserved. |
| 2 | #pragma once |
| 3 | |
| 4 | #include "p9fid.h" |
| 5 | |
| 6 | namespace p9fs { |
| 7 | |
| 8 | class XAttr final : public XAttrBase |
| 9 | { |
| 10 | public: |
| 11 | enum class Access |
| 12 | { |
| 13 | Read, |
| 14 | Write |
| 15 | }; |
| 16 | |
| 17 | XAttr(const std::shared_ptr<const Root>& root, const std::string& fileName, const std::string& name, Access access, UINT64 size = 0, UINT32 flags = 0); |
| 18 | |
| 19 | Task<Expected<UINT32>> Read(UINT64 Offset, gsl::span<gsl::byte> Buffer) override; |
| 20 | Task<Expected<UINT32>> Write(UINT64 Offset, gsl::span<const gsl::byte> Buffer) override; |
| 21 | LX_INT Clunk() override; |
| 22 | |
| 23 | Expected<UINT64> GetSize() override; |
| 24 | |
| 25 | private: |
| 26 | Expected<UINT64> GetValue(gsl::span<gsl::byte> Buffer); |
| 27 | |
| 28 | std::shared_mutex m_Lock; |
| 29 | const std::shared_ptr<const Root> m_Root; |
| 30 | const std::string m_FileName; |
| 31 | const std::string m_Name; |
| 32 | std::vector<gsl::byte> m_Value; |
| 33 | const Access m_Access; |
| 34 | const UINT32 m_Flags; |
| 35 | }; |
| 36 | |
| 37 | } // namespace p9fs |