tap

package
v0.3.4 Latest Latest
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 Go to latest Published: Dec 12, 2021 License: MIT Imports: 17 Imported by: 0

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Index

Constants

View Source 
const (
	EventUp = 1 << iota
	EventDown
	EventMTUUpdate
)
View Source 
const (
	VPP_SUPPORT = "VPP support disabled"
)

Variables

This section is empty.

Functions

func GetIP added in v0.3.2 

func GetIP(version int, netcidr string, uid uint32) (net.IP, net.IPMask, error)

func IsNotUnicast 

func IsNotUnicast(mac_in MacAddress) bool

func Mac2charForm 

func Mac2charForm(m []byte) byte

Types

type Device 

type Device interface {
	Read([]byte, int) (int, error)  // read a packet from the device (without any additional headers)
	Write([]byte, int) (int, error) // writes a packet to the device (without any additional headers)
	Flush() error                   // flush all previous writes to the device
	MTU() (int, error)              // returns the MTU of the device
	Name() (string, error)          // fetches and returns the current name
	Events() chan Event             // returns a constant channel of events related to the device
	Close() error                   // stops the device and closes the event channel
}

func CreateDummyTAP 

func CreateDummyTAP() (tapdev Device, err error)

New creates and returns a new TUN interface for the application.

func CreateFdTAP 

func CreateFdTAP(iconfig mtypes.InterfaceConf, NodeID mtypes.Vertex) (tapdev Device, err error)

New creates and returns a new TUN interface for the application.

func CreateSockTAP 

func CreateSockTAP(iconfig mtypes.InterfaceConf, protocol string, NodeID mtypes.Vertex, loglevel mtypes.LoggerInfo) (tapdev Device, err error)

New creates and returns a new TUN interface for the application.

func CreateStdIOTAP 

func CreateStdIOTAP(iconfig mtypes.InterfaceConf, NodeID mtypes.Vertex) (tapdev Device, err error)

New creates and returns a new TUN interface for the application.

func CreateTAP 

func CreateTAP(iconfig mtypes.InterfaceConf, NodeID mtypes.Vertex) (Device, error)

func CreateTAPFromFile 

func CreateTAPFromFile(file *os.File, iconfig mtypes.InterfaceConf, NodeID mtypes.Vertex) (Device, error)

func CreateUDPSockTAP 

func CreateUDPSockTAP(iconfig mtypes.InterfaceConf, NodeID mtypes.Vertex) (tapdev Device, err error)

New creates and returns a new TUN interface for the application.

func CreateUnmonitoredTUNFromFD 

func CreateUnmonitoredTUNFromFD(fd int) (Device, string, error)

func CreateVppTAP 

func CreateVppTAP(iconfig mtypes.InterfaceConf, NodeID mtypes.Vertex, loglevel string) (tapdev Device, err error)

New creates and returns a new TUN interface for the application.

type DummyTap 

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

func (*DummyTap) Close 

func (tap *DummyTap) Close() error

func (*DummyTap) Events 

func (tap *DummyTap) Events() chan Event

func (*DummyTap) Flush 

func (tap *DummyTap) Flush() error

func (*DummyTap) MTU 

func (tap *DummyTap) MTU() (int, error)

func (*DummyTap) Name 

func (tap *DummyTap) Name() (string, error)

func (*DummyTap) Read 

func (tap *DummyTap) Read([]byte, int) (int, error)

func (*DummyTap) Write 

func (tap *DummyTap) Write(packet []byte, size int) (int, error)

type Event 

type Event int

type FdTap 

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

func (*FdTap) Close 

func (tap *FdTap) Close() error

func (*FdTap) Events 

func (tap *FdTap) Events() chan Event

func (*FdTap) Flush 

func (tap *FdTap) Flush() error

func (*FdTap) MTU 

func (tap *FdTap) MTU() (int, error)

func (*FdTap) Name 

func (tap *FdTap) Name() (string, error)

func (*FdTap) Read 

func (tap *FdTap) Read(buf []byte, offset int) (int, error)

func (*FdTap) Write 

func (tap *FdTap) Write(buf []byte, offset int) (size int, err error)

type L2MODE 

type L2MODE uint8
const (
	NoChange      L2MODE = iota
	KeyboardDebug        //Register to server
	BoardcastAndNodeID
)

func GetL2Mode 

func GetL2Mode(mode string) L2MODE

type MacAddress 

type MacAddress [6]byte

func Charform2mac 

func Charform2mac(b byte) MacAddress

func GetDstMacAddr 

func GetDstMacAddr(packet []byte) (dstMacAddr MacAddress)

func GetMacAddr 

func GetMacAddr(prefix string, uid uint32) (mac MacAddress, err error)

func GetSrcMacAddr 

func GetSrcMacAddr(packet []byte) (srcMacAddr MacAddress)

func (*MacAddress) String 

func (mac *MacAddress) String() string

type NativeTap 

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

func (*NativeTap) Close 

func (tap *NativeTap) Close() error

func (*NativeTap) Events 

func (tap *NativeTap) Events() chan Event

func (*NativeTap) File 

func (tap *NativeTap) File() *os.File

func (*NativeTap) Flush 

func (tap *NativeTap) Flush() error

func (*NativeTap) MTU 

func (tap *NativeTap) MTU() (int, error)

func (*NativeTap) Name 

func (tap *NativeTap) Name() (string, error)

func (*NativeTap) Read 

func (tap *NativeTap) Read(buf []byte, offset int) (n int, err error)

func (*NativeTap) Write 

func (tap *NativeTap) Write(buf []byte, offset int) (int, error)

type SockServerTap 

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

func (*SockServerTap) Close 

func (tap *SockServerTap) Close() error

func (*SockServerTap) Events 

func (tap *SockServerTap) Events() chan Event

func (*SockServerTap) Flush 

func (tap *SockServerTap) Flush() error

func (*SockServerTap) MTU 

func (tap *SockServerTap) MTU() (int, error)

func (*SockServerTap) Name 

func (tap *SockServerTap) Name() (string, error)

func (*SockServerTap) Read 

func (tap *SockServerTap) Read(buf []byte, offset int) (size int, err error)

func (*SockServerTap) RoutineAcceptConnection 

func (tap *SockServerTap) RoutineAcceptConnection()

func (*SockServerTap) Write 

func (tap *SockServerTap) Write(buf []byte, offset int) (size int, err error)

type StdIOTap 

type StdIOTap struct {
	L2mode L2MODE
	// contains filtered or unexported fields
}

func (*StdIOTap) Close 

func (tap *StdIOTap) Close() error

func (*StdIOTap) Events 

func (tap *StdIOTap) Events() chan Event

func (*StdIOTap) Flush 

func (tap *StdIOTap) Flush() error

func (*StdIOTap) MTU 

func (tap *StdIOTap) MTU() (int, error)

func (*StdIOTap) Name 

func (tap *StdIOTap) Name() (string, error)

func (*StdIOTap) Read 

func (tap *StdIOTap) Read(buf []byte, offset int) (int, error)

func (*StdIOTap) Write 

func (tap *StdIOTap) Write(buf []byte, offset int) (size int, err error)

type UdpSockTap 

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

func (*UdpSockTap) Close 

func (tap *UdpSockTap) Close() error

func (*UdpSockTap) Events 

func (tap *UdpSockTap) Events() chan Event

func (*UdpSockTap) Flush 

func (tap *UdpSockTap) Flush() error

func (*UdpSockTap) MTU 

func (tap *UdpSockTap) MTU() (int, error)

func (*UdpSockTap) Name 

func (tap *UdpSockTap) Name() (string, error)

func (*UdpSockTap) Read 

func (tap *UdpSockTap) Read(buf []byte, offset int) (int, error)

func (*UdpSockTap) Write 

func (tap *UdpSockTap) Write(buf []byte, offset int) (size int, err error)

type VppTap 

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

func (*VppTap) Close 

func (tap *VppTap) Close() error

func (*VppTap) Events 

func (tap *VppTap) Events() chan Event

func (*VppTap) Flush 

func (tap *VppTap) Flush() error

func (*VppTap) MTU 

func (tap *VppTap) MTU() (int, error)

func (*VppTap) Name 

func (tap *VppTap) Name() (string, error)

func (*VppTap) Read 

func (tap *VppTap) Read([]byte, int) (int, error)

func (*VppTap) Write 

func (tap *VppTap) Write(packet []byte, size int) (int, error)

Source Files

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