winio

package module
Version: v0.5.0 Latest Latest
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Published: Apr 22, 2021 License: MIT Imports: 7 Imported by: 332

README

go-winio Build Status

This repository contains utilities for efficiently performing Win32 IO operations in Go. Currently, this is focused on accessing named pipes and other file handles, and for using named pipes as a net transport.

This code relies on IO completion ports to avoid blocking IO on system threads, allowing Go to reuse the thread to schedule another goroutine. This limits support to Windows Vista and newer operating systems. This is similar to the implementation of network sockets in Go's net package.

Please see the LICENSE file for licensing information.

This project has adopted the Microsoft Open Source Code of Conduct. For more information see the Code of Conduct FAQ or contact opencode@microsoft.com with any additional questions or comments.

Thanks to natefinch for the inspiration for this library. See https://github.com/natefinch/npipe for another named pipe implementation.

Documentation

Index

Constants

This section is empty.

Variables

This section is empty.

Functions

func EncodeExtendedAttributes added in v0.4.5

func EncodeExtendedAttributes(eas []ExtendedAttribute) ([]byte, error)

EncodeExtendedAttributes encodes a list of EAs into a FILE_FULL_EA_INFORMATION buffer for use with BackupWrite, ZwSetEaFile, etc.

func EncodeReparsePoint

func EncodeReparsePoint(rp *ReparsePoint) []byte

EncodeReparsePoint encodes a Win32 REPARSE_DATA_BUFFER structure describing a symlink or mount point.

Types

type ExtendedAttribute added in v0.4.5

type ExtendedAttribute struct {
	Name  string
	Value []byte
	Flags uint8
}

ExtendedAttribute represents a single Windows EA.

func DecodeExtendedAttributes added in v0.4.5

func DecodeExtendedAttributes(b []byte) (eas []ExtendedAttribute, err error)

DecodeExtendedAttributes decodes a list of EAs from a FILE_FULL_EA_INFORMATION buffer retrieved from BackupRead, ZwQueryEaFile, etc.

type ReparsePoint

type ReparsePoint struct {
	Target       string
	IsMountPoint bool
}

ReparsePoint describes a Win32 symlink or mount point.

func DecodeReparsePoint

func DecodeReparsePoint(b []byte) (*ReparsePoint, error)

DecodeReparsePoint decodes a Win32 REPARSE_DATA_BUFFER structure containing either a symlink or a mount point.

func DecodeReparsePointData added in v0.3.0

func DecodeReparsePointData(tag uint32, b []byte) (*ReparsePoint, error)

type UnsupportedReparsePointError

type UnsupportedReparsePointError struct {
	Tag uint32
}

UnsupportedReparsePointError is returned when trying to decode a non-symlink or mount point reparse point.

func (*UnsupportedReparsePointError) Error

Directories

Path Synopsis
pkg
etw
Package etw provides support for TraceLogging-based ETW (Event Tracing for Windows).
Package etw provides support for TraceLogging-based ETW (Event Tracing for Windows).
fs
guid
Package guid provides a GUID type.
Package guid provides a GUID type.
tools
wim
Package wim implements a WIM file parser.
Package wim implements a WIM file parser.
lzx
Package lzx implements a decompressor for the the WIM variant of the LZX compression algorithm.
Package lzx implements a decompressor for the the WIM variant of the LZX compression algorithm.

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