| 1 | // Copyright (C) Microsoft Corporation. All rights reserved. |
| 2 | #pragma once |
| 3 | |
| 4 | #include "p9defs.h" |
| 5 | #include "p9await.h" |
| 6 | #include "p9errors.h" |
| 7 | #include "p9protohelpers.h" |
| 8 | #include "p9handler.h" |
| 9 | |
| 10 | namespace p9fs { |
| 11 | |
| 12 | class XAttrBase; |
| 13 | |
| 14 | class Fid |
| 15 | { |
| 16 | public: |
| 17 | virtual ~Fid() = default; |
| 18 | |
| 19 | virtual Expected<Qid> Walk(std::string_view Name); |
| 20 | virtual Expected<std::tuple<UINT64, Qid, StatResult>> GetAttr(UINT64 Mask); |
| 21 | virtual LX_INT SetAttr(UINT32 Valid, const StatResult& Stat); |
| 22 | virtual Expected<Qid> Open(OpenFlags Flags); |
| 23 | virtual Expected<Qid> Create(std::string_view Name, OpenFlags Flags, UINT32 Mode, UINT32 Gid); |
| 24 | virtual Expected<Qid> MkDir(std::string_view Name, UINT32 Mode, UINT32 Gid); |
| 25 | virtual LX_INT ReadDir(UINT64 Offset, SpanWriter& Writer, bool IncludeAttributes); |
| 26 | virtual Task<Expected<UINT32>> Read(UINT64 Offset, gsl::span<gsl::byte> Buffer); |
| 27 | virtual Task<Expected<UINT32>> Write(UINT64 Offset, gsl::span<const gsl::byte> Buffer); |
| 28 | virtual LX_INT UnlinkAt(std::string_view Name, UINT32 Flags); |
| 29 | virtual LX_INT Remove(); |
| 30 | virtual LX_INT RenameAt(std::string_view OldName, Fid& NewParent, std::string_view NewName); |
| 31 | virtual LX_INT Rename(Fid& NewParent, std::string_view NewName); |
| 32 | virtual Expected<Qid> SymLink(std::string_view Name, std::string_view Target, UINT32 Gid); |
| 33 | virtual Expected<Qid> MkNod(std::string_view Name, UINT32 Mode, UINT32 Major, UINT32 Minor, UINT32 Gid); |
| 34 | virtual LX_INT Link(std::string_view Name, Fid& Target); |
| 35 | virtual Expected<UINT32> ReadLink(gsl::span<char> Name); |
| 36 | virtual LX_INT Fsync(); |
| 37 | virtual Expected<StatFsResult> StatFs(); |
| 38 | virtual Expected<LockStatus> Lock(LockType Type, UINT32 Flags, UINT64 Start, UINT64 Length, UINT32 ProcId, std::string_view ClientId); |
| 39 | virtual Expected<std::tuple<LockType, UINT64, UINT64, UINT32, std::string_view>> GetLock( |
| 40 | LockType Type, UINT64 Start, UINT64 Length, UINT32 ProcId, std::string_view ClientId); |
| 41 | virtual Expected<std::shared_ptr<XAttrBase>> XattrWalk(const std::string& Name); |
| 42 | virtual Expected<std::shared_ptr<XAttrBase>> XattrCreate(const std::string& Name, UINT64 Size, UINT32 Flags); |
| 43 | virtual LX_INT Clunk(); |
| 44 | |
| 45 | // 9P2000.W operations |
| 46 | virtual LX_INT Access(AccessFlags Flags); |
| 47 | |
| 48 | virtual std::shared_ptr<Fid> Clone() const; |
| 49 | virtual bool IsOnRoot(const std::shared_ptr<const IRoot>& root); |
| 50 | virtual bool IsFile() const; |
| 51 | virtual Qid GetQid() const; |
| 52 | |
| 53 | protected: |
| 54 | Fid() = default; |
| 55 | }; |
| 56 | |
| 57 | class XAttrBase : public Fid |
| 58 | { |
| 59 | public: |
| 60 | virtual Expected<UINT64> GetSize() = 0; |
| 61 | }; |
| 62 | |
| 63 | #undef CreateFile |
| 64 | Expected<std::tuple<std::shared_ptr<Fid>, Qid>> CreateFile(std::shared_ptr<const IRoot> root, LX_UID_T uid); |
| 65 | |
| 66 | } // namespace p9fs |