hgfs

const (
	OpOpen               = iota /* Open file */
	OpRead                      /* Read from file */
	OpWrite                     /* Write to file */
	OpClose                     /* Close file */
	OpSearchOpen                /* Start new search */
	OpSearchRead                /* Get next search response */
	OpSearchClose               /* End a search */
	OpGetattr                   /* Get file attributes */
	OpSetattr                   /* Set file attributes */
	OpCreateDir                 /* Create new directory */
	OpDeleteFile                /* Delete a file */
	OpDeleteDir                 /* Delete a directory */
	OpRename                    /* Rename a file or directory */
	OpQueryVolumeInfo           /* Query volume information */
	OpOpenV2                    /* Open file */
	OpGetattrV2                 /* Get file attributes */
	OpSetattrV2                 /* Set file attributes */
	OpSearchReadV2              /* Get next search response */
	OpCreateSymlink             /* Create a symlink */
	OpServerLockChange          /* Change the oplock on a file */
	OpCreateDirV2               /* Create a directory */
	OpDeleteFileV2              /* Delete a file */
	OpDeleteDirV2               /* Delete a directory */
	OpRenameV2                  /* Rename a file or directory */
	OpOpenV3                    /* Open file */
	OpReadV3                    /* Read from file */
	OpWriteV3                   /* Write to file */
	OpCloseV3                   /* Close file */
	OpSearchOpenV3              /* Start new search */
	OpSearchReadV3              /* Read V3 directory entries */
	OpSearchCloseV3             /* End a search */
	OpGetattrV3                 /* Get file attributes */
	OpSetattrV3                 /* Set file attributes */
	OpCreateDirV3               /* Create new directory */
	OpDeleteFileV3              /* Delete a file */
	OpDeleteDirV3               /* Delete a directory */
	OpRenameV3                  /* Rename a file or directory */
	OpQueryVolumeInfoV3         /* Query volume information */
	OpCreateSymlinkV3           /* Create a symlink */
	OpServerLockChangeV3        /* Change the oplock on a file */
	OpWriteWin32StreamV3        /* Write WIN32_STREAM_ID format data to file */
	OpCreateSessionV4           /* Create a session and return host capabilities. */
	OpDestroySessionV4          /* Destroy/close session. */
	OpReadFastV4                /* Read */
	OpWriteFastV4               /* Write */
	OpSetWatchV4                /* Start monitoring directory changes. */
	OpRemoveWatchV4             /* Stop monitoring directory changes. */
	OpNotifyV4                  /* Notification for a directory change event. */
	OpSearchReadV4              /* Read V4 directory entries. */
	OpOpenV4                    /* Open file */
	OpEnumerateStreamsV4        /* Enumerate alternative named streams for a file. */
	OpGetattrV4                 /* Get file attributes */
	OpSetattrV4                 /* Set file attributes */
	OpDeleteV4                  /* Delete a file or a directory */
	OpLinkmoveV4                /* Rename/move/create hard link. */
	OpFsctlV4                   /* Sending FS control requests. */
	OpAccessCheckV4             /* Access check. */
	OpFsyncV4                   /* Flush all cached data to the disk. */
	OpQueryVolumeInfoV4         /* Query volume information. */
	OpOplockAcquireV4           /* Acquire OPLOCK. */
	OpOplockBreakV4             /* Break or downgrade OPLOCK. */
	OpLockByteRangeV4           /* Acquire byte range lock. */
	OpUnlockByteRangeV4         /* Release byte range lock. */
	OpQueryEasV4                /* Query extended attributes. */
	OpSetEasV4                  /* Add or modify extended attributes. */
	OpNewHeader          = 0xff /* Header op, must be unique, distinguishes packet headers. */
)

const (
	StatusSuccess = iota
	StatusNoSuchFileOrDir
	StatusInvalidHandle
	StatusOperationNotPermitted
	StatusFileExists
	StatusNotDirectory
	StatusDirNotEmpty
	StatusProtocolError
	StatusAccessDenied
	StatusInvalidName
	StatusGenericError
	StatusSharingViolation
	StatusNoSpace
	StatusOperationNotSupported
	StatusNameTooLong
	StatusInvalidParameter
	StatusNotSameDevice
	StatusStaleSession
	StatusTooManySessions
	StatusTransportError
)

const (
	AttrValidType = 1 << iota
	AttrValidSize
	AttrValidCreateTime
	AttrValidAccessTime
	AttrValidWriteTime
	AttrValidChangeTime
	AttrValidSpecialPerms
	AttrValidOwnerPerms
	AttrValidGroupPerms
	AttrValidOtherPerms
	AttrValidFlags
	AttrValidAllocationSize
	AttrValidUserID
	AttrValidGroupID
	AttrValidFileID
	AttrValidVolID
	AttrValidNonStaticFileID
	AttrValidEffectivePerms
	AttrValidExtendAttrSize
	AttrValidReparsePoint
	AttrValidShortName
)

const (
	PacketFlagRequest = 1 << iota
	PacketFlagReply
	PacketFlagInfoExterror
	PacketFlagValidFlags = 0x7
)

const (
	FileTypeRegular = iota
	FileTypeDirectory
	FileTypeSymlink
)

const (
	OpenModeReadOnly = iota
	OpenModeWriteOnly
	OpenModeReadWrite
	OpenModeAccmodes
)

const (
	Open = iota
	OpenEmpty
	OpenCreate
	OpenCreateSafe
	OpenCreateEmpty
)

const (
	PermRead  = 4
	PermWrite = 2
	PermExec  = 1
)

const (
	LockNone = iota
	LockOpportunistic
	LockExclusive
	LockShared
	LockBatch
	LockLease
)

const HeaderVersion = 0x1

const LargePacketMax = 0xf800 // HGFS_LARGE_PACKET_MAX

const (
	WriteAppend = 1
)