nfsv3

type Access uint32

type AccessCall struct {
	FileHandle []byte // root handle
	Access            //todo
}

type AccessReply struct {
	NFSStatus
	Attr   PostOpAttr
	Access //todo
}

type CommitCall struct {
	FileHandle []byte
	Offset     uint64
	Count      uint32
}

type CommitReply struct {
	NFSStatus
	Wcc
	Verifier uint64
}

type CreateCall struct {
	DirOpArg
	// 0 : UNCHECKED (default)
	// 1 : GUARDED
	// 2 : EXCLUSIVE
	Mode uint32
	Attr Sattr3
}

type CreateReply struct {
	NFSStatus
	FileHandle PostOpFH3
	Attr       PostOpAttr
	Wcc
}

type DirOpArg struct {
	FH       []byte
	Filename []byte
}

type Entry struct {
	Field    uint64
	Filename []byte
	Cookie   uint64
}

type Entry3 struct {
	IsSet bool  `xdr:"union"`
	Entry Entry `xdr:"unioncase=1"`
}

type EntryPlus struct {
	FileId   uint64
	FileName []byte
	Cookie   uint64
	Attr     PostOpAttr
	Handle   PostOpFH3
}

type EntryPlus3 struct {
	IsSet bool      `xdr:"union"`
	Entry EntryPlus `xdr:"unioncase=1"`
}

type Fattr struct {
	Type FileType
	//todo:展示详细信息S_ISUID、S_ISGID、S_ISVTX、S_IRUSR、S_IWUSR、S_IXUSR、S_IRGRP、S_IWGRP、S_IXGRP、S_IROTH、S_IWOTH、S_IXOTH
	FileMode            uint32
	Nlink               uint32
	UID                 uint32
	GID                 uint32
	Filesize            uint64
	Used                uint64
	SpecData            [2]uint32
	FSID                uint64
	Fileid              uint64
	Atime, Mtime, Ctime NFS3Time
}

type FileCacheAttribute struct {
	Filesize     uint64
	Mtime, Ctime NFS3Time
}

type FileType uint32

type FsInfoCall struct {
	FileHandle []byte
}

type FsInfoReply struct {
	NFSStatus
	Attr       PostOpAttr
	Rtmax      uint32
	Rtpref     uint32
	Rtmult     uint32
	Wtmax      uint32
	Wtpref     uint32
	Wtmult     uint32
	Dtpref     uint32
	Size       uint64
	TimeDelta  NFS3Time
	Properties uint32 //todo:format
}

type FsStatCall struct {
	FileHandle []byte
}

type FsStatReply struct {
	NFSStatus
	ObjAttr        PostOpAttr
	TotalSize      uint64
	FreeSize       uint64
	AvailableSize  uint64
	TotalFiles     uint64
	FreeFiles      uint64
	AvailableFiles uint64
	// CacheHint is called "invarsec" in the nfs standard
	Invarsec uint32
}

type GetAttrCall struct {
	FileHandle []byte
}

type GetAttrReply struct {
	NFSStatus
	Fattr
}

type LinkCall struct {
	FileHandle []byte
	DirOpArg
}

type LinkReply struct {
	NFSStatus
	ObjAttr PostOpAttr
	Wcc
}

type LookUpCall struct {
	DirOpArg
}

type LookUpReply struct {
	NFSStatus
	FH      []byte
	Attr    PostOpAttr
	DirAttr PostOpAttr
}

type MkdirCall struct {
	Where DirOpArg
	Attrs Sattr3
}

type MkdirReply struct {
	NFSStatus
	FH   PostOpFH3
	Attr PostOpAttr
	Wcc
}

type MknodCall struct {
	DirOpArg
	FileType
	Sattr3
}

type MknodReply struct {
	NFSStatus
	FileHandle []byte
	PostOpAttr
	Wcc
}

type NFS3Time struct {
	Seconds  uint32
	Nseconds uint32
}

type NFSStatus uint32

type PathConfCall struct {
	RootHandle []byte
}

type PathConfReply struct {
	NFSStatus
	ObjAttr         PostOpAttr
	LinkMax         uint32
	NameMax         uint32
	NoTrunc         uint32 //todo:bool
	ChownRestricted uint32 //todo:bool
	CaseInsensitive uint32 //todo:bool
	CasePreserving  uint32 //todo:bool
}

type PostOpAttr struct {
	IsSet bool  `xdr:"union"`
	Attr  Fattr `xdr:"unioncase=1"`
}

type PostOpFH3 struct {
	IsSet      bool   `xdr:"union"`
	FileHandle []byte `xdr:"unioncase=1"`
}

type PreOpAttr struct {
	IsSet bool     `xdr:"union"`
	Size  uint64   `xdr:"unioncase=1"`
	MTime NFS3Time `xdr:"unioncase=1"`
	CTime NFS3Time `xdr:"unioncase=1"`
}

type Procedure uint32

type ReaDirPlusArg struct {
	NFSStatus
	DirAttrs   PostOpAttr
	CookieVerf uint64
}

type ReadCall struct {
	FileHandle []byte
	Offset     uint64
	Count      uint32
}

type ReadDirArg struct {
	NFSStatus
	DirAttr  PostOpAttr
	Verifier uint64
}

type ReadDirCall struct {
	Handle   []byte
	Cookie   uint64
	Verifier uint64
	Count    uint32
}

type ReadDirPlusCall struct {
	Handle   []byte
	Cookie   uint64
	Verifier uint64
	DirCount uint32
	MaxCount uint32
}

type ReadDirPlusReply struct {
	ReaDirPlusArg
	Entries []*EntryPlus
}

type ReadDirReply struct {
	ReadDirArg
	Entries []*Entry
}

type ReadLinkCall struct {
	FileHandle []byte
}

type ReadLinkReply struct {
	NFSStatus
	Attr PostOpAttr
	Path string
}

type ReadReply struct {
	NFSStatus
	Attr  PostOpAttr
	Count uint32
	EOF   uint32
	Data  []byte
}

type RemoveCall struct {
	DirOpArg
}

type RemoveReply struct {
	NFSStatus
	Wcc
}

type RenameCall struct {
	From DirOpArg
	To   DirOpArg
}

type RenameReply struct {
	NFSStatus
	From Wcc
	To   Wcc
}

type RmdirCall struct {
	DirOpArg
}

type RmdirReply struct {
	NFSStatus
	Wcc
}

type Sattr3 struct {
	Mode  SetMode
	UID   SetID
	GID   SetID
	Size  SetSize
	Atime SetTime
	Mtime SetTime
}

type Sattrguard3 struct {
	Check bool     `xdr:"union"`
	Time  NFS3Time `xdr:"unioncase=1"` //SetToClientTime
}

type SetAttrCall struct {
	FileHandle []byte
	Attr       Sattr3
	Guard      Sattrguard3
}

type SetAttrReply struct {
	NFSStatus
	Wcc
}

type SetID struct {
	SetIt bool   `xdr:"union"`
	ID    uint32 `xdr:"unioncase=1"`
}

type SetMode struct {
	SetIt bool   `xdr:"union"`
	Mode  uint32 `xdr:"unioncase=1"`
}

type SetSize struct {
	SetIt bool   `xdr:"union"`
	Size  uint64 `xdr:"unioncase=1"`
}

type SetTime struct {
	SetIt TimeHow  `xdr:"union"`
	Time  NFS3Time `xdr:"unioncase=2"` //SetToClientTime
}

type SymLinkData3 struct {
	Sattr3
	Nfs3Path []byte
}

type SymlinkCall struct {
	DirOpArg
	SymLinkData3
}

type SymlinkReply struct {
	NFSStatus
	Obj     PostOpFH3
	ObjAttr PostOpAttr
	Wcc
}

type TimeHow int

type Wcc struct {
	Before PreOpAttr
	After  PostOpAttr
}

type WriteCall struct {
	Handle []byte
	Offset uint64
	Count  uint32
	How    uint32 //todo :format 2-filesync
	Data   []byte
}

type WriteReply struct {
	NFSStatus
	Wcc
	Count    uint32
	Commit   uint32
	Verifier uint64
}