nl

package module
v1.0.5 Latest Latest
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 Go to latest Published: Aug 31, 2022 License: MIT Imports: 7 Imported by: 17

README

go-nl

go-nl provides a netlink library for Go.

License

This software is released under the MIT License, see LICENSE

Documentation

Index

Constants

View Source 
const (
	NLA_TYPE_MASK = ^uint16(syscall.NLA_F_NESTED | syscall.NLA_F_NET_BYTEORDER)
)

Variables

This section is empty.

Functions

func DecodeAttrBytes 

func DecodeAttrBytes(b []byte) ([]byte, int, error)

func DecodeAttrString 

func DecodeAttrString(b []byte) (string, int, error)

func DecodeAttrU8 

func DecodeAttrU8(b []byte) (uint8, int, error)

func DecodeAttrU16 

func DecodeAttrU16(b []byte) (uint16, int, error)

func DecodeAttrU32 

func DecodeAttrU32(b []byte) (uint32, int, error)

func DecodeAttrU64 

func DecodeAttrU64(b []byte) (uint64, int, error)

func DecodeMsgError 

func DecodeMsgError(b []byte) (error, int, error)

func IfnameToIndex 

func IfnameToIndex(name string) (i int, err error)

func NativeEndian 

func NativeEndian() binary.ByteOrder

func Recvmsg 

func Recvmsg(s int, msg *syscall.Msghdr, flags int) (n int, err error)

func Sendmsg 

func Sendmsg(s int, msg *syscall.Msghdr, flags int) (n int, err error)

Types

type Attr 

type Attr struct {
	Type uint16

	Value Encoder
	// contains filtered or unexported fields
}

func (*Attr) Encode 

func (a *Attr) Encode(b []byte) (int, error)

func (*Attr) Len 

func (a *Attr) Len() int

func (*Attr) Nested 

func (a *Attr) Nested() bool

type AttrBytes 

type AttrBytes []byte

func (AttrBytes) Encode 

func (b AttrBytes) Encode(p []byte) (int, error)

func (AttrBytes) Len 

func (b AttrBytes) Len() int

type AttrHdr 

type AttrHdr struct {
	Len  AttrLen
	Type uint16
}

func DecodeAttrHdr 

func DecodeAttrHdr(b []byte) (AttrHdr, int, error)

func (AttrHdr) MaskedType 

func (h AttrHdr) MaskedType() int

func (AttrHdr) Nested 

func (h AttrHdr) Nested() bool

func (AttrHdr) NetByteorder 

func (h AttrHdr) NetByteorder() bool

type AttrLen 

type AttrLen uint16

func (AttrLen) Align 

func (l AttrLen) Align() int

type AttrList 

type AttrList []Attr

func (AttrList) Encode 

func (al AttrList) Encode(b []byte) (int, error)

func (AttrList) Len 

func (al AttrList) Len() int

type AttrString 

type AttrString string

func (AttrString) Encode 

func (s AttrString) Encode(b []byte) (int, error)

func (AttrString) Len 

func (s AttrString) Len() int

type AttrU8 

type AttrU8 uint8

func (AttrU8) Encode 

func (u AttrU8) Encode(b []byte) (int, error)

func (AttrU8) Len 

func (u AttrU8) Len() int

type AttrU16 

type AttrU16 uint16

func (AttrU16) Encode 

func (u AttrU16) Encode(b []byte) (int, error)

func (AttrU16) Len 

func (u AttrU16) Len() int

type AttrU32 

type AttrU32 uint32

func (AttrU32) Encode 

func (u AttrU32) Encode(b []byte) (int, error)

func (AttrU32) Len 

func (u AttrU32) Len() int

type AttrU64 

type AttrU64 uint64

func (AttrU64) Encode 

func (u AttrU64) Encode(b []byte) (int, error)

func (AttrU64) Len 

func (u AttrU64) Len() int

type Client 

type Client struct {
	// contains filtered or unexported fields
}

func NewClient 

func NewClient(conn Conner, mux *Mux) *Client

func (*Client) Do 

func (c *Client) Do(req *Request) ([]Msg, error)

func (*Client) Handler added in v1.0.5 

func (c *Client) Handler(req *Request, ch chan *Msg) HandlerFunc

type Conn 

type Conn struct {
	// contains filtered or unexported fields
}

func Open 

func Open(proto int, groups ...int) (*Conn, error)

func (*Conn) Close 

func (c *Conn) Close()

func (*Conn) Fd 

func (c *Conn) Fd() int

func (*Conn) Read 

func (c *Conn) Read(b []byte) (int, error)

func (*Conn) TakeSeq 

func (c *Conn) TakeSeq() int

func (*Conn) Write 

func (c *Conn) Write(b []byte) (int, error)

func (*Conn) Writev 

func (c *Conn) Writev(iovs []syscall.Iovec) (int, error)

type Conner added in v1.0.2 

type Conner interface {
	Fd() int
	Close()
	Read([]byte) (int, error)
	Write([]byte) (int, error)
	Writev([]syscall.Iovec) (int, error)
	TakeSeq() int
}

type Encoder 

type Encoder interface {
	Len() int
	Encode([]byte) (int, error)
}

type Encoders 

type Encoders []Encoder

func (Encoders) Encode 

func (es Encoders) Encode(b []byte) (int, error)

func (Encoders) Len 

func (es Encoders) Len() int

type Handler 

type Handler interface {
	ServeMsg(*Msg) bool
}

type HandlerFunc 

type HandlerFunc func(*Msg) bool

func (HandlerFunc) ServeMsg 

func (f HandlerFunc) ServeMsg(msg *Msg) bool

type HandlerStack 

type HandlerStack []Handler

func (HandlerStack) ServeMsg 

func (hs HandlerStack) ServeMsg(msg *Msg) bool
type Header struct {
	Len   uint32
	Type  uint16
	Flags uint16
	Seq   uint32
	Pid   uint32
}

func DecodeHeader 

func DecodeHeader(b []byte) (*Header, int, error)

type Ifreq 

type Ifreq struct {
	Name  [syscall.IFNAMSIZ]byte
	Index uint32
}

type Msg 

type Msg struct {
	Header Header
	Body   []byte
}

func DecodeMsg 

func DecodeMsg(b []byte) (*Msg, int, error)

type Mux 

type Mux struct {
	// contains filtered or unexported fields
}

func NewMux 

func NewMux() (*Mux, error)

func (*Mux) Close 

func (m *Mux) Close()

func (*Mux) PopHandler 

func (m *Mux) PopHandler(conn Conner)

func (*Mux) PushHandler 

func (m *Mux) PushHandler(conn Conner, handler Handler) error

func (*Mux) PushHandlerFunc 

func (m *Mux) PushHandlerFunc(conn Conner, f func(msg *Msg) bool) error

func (*Mux) Serve 

func (m *Mux) Serve() error

type Request 

type Request struct {
	Header    Header
	Iovs      []syscall.Iovec
	ReplyType map[uint16]struct{}
}

func NewRequest 

func NewRequest(typ, flags int) *Request

func (*Request) Append 

func (r *Request) Append(e Encoder) error

func (*Request) AppendBytes 

func (r *Request) AppendBytes(b []byte)

func (*Request) AppendPointer 

func (r *Request) AppendPointer(p unsafe.Pointer, length int)

func (*Request) AppendReplyType 

func (r *Request) AppendReplyType(typ int)

func (*Request) Commit 

func (r *Request) Commit(seq int)

func (*Request) ContainsReplyType 

func (r *Request) ContainsReplyType(typ int) bool

func (*Request) NeedAck added in v1.0.4 

func (r *Request) NeedAck() bool

Source Files

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