tun

type DefaultInterfaceMonitor interface {
	Start() error
	Close() error
	DefaultInterfaceName(destination netip.Addr) string
	DefaultInterfaceIndex(destination netip.Addr) int
	DefaultInterface(destination netip.Addr) (string, int)
	OverrideAndroidVPN() bool
	AndroidVPNEnabled() bool
	RegisterCallback(callback DefaultInterfaceUpdateCallback) *list.Element[DefaultInterfaceUpdateCallback]
	UnregisterCallback(element *list.Element[DefaultInterfaceUpdateCallback])
}

type DefaultInterfaceMonitorOptions struct {
	OverrideAndroidVPN    bool
	UnderNetworkExtension bool
}

type DefaultInterfaceUpdateCallback = func(event int)

type Handler interface {
	N.TCPConnectionHandler
	N.UDPConnectionHandler
	E.Handler
}

type LinuxTUN interface {
	Tun
	N.FrontHeadroom
	BatchSize() int
	BatchRead(buffers [][]byte, offset int, readN []int) (n int, err error)
	BatchWrite(buffers [][]byte, offset int) error
	TXChecksumOffload() bool
}

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

type NetworkUpdateCallback = func()

type NetworkUpdateMonitor interface {
	Start() error
	Close() error
	RegisterCallback(callback NetworkUpdateCallback) *list.Element[NetworkUpdateCallback]
	UnregisterCallback(element *list.Element[NetworkUpdateCallback])
}

type Options struct {
	Name                     string
	Inet4Address             []netip.Prefix
	Inet6Address             []netip.Prefix
	MTU                      uint32
	GSO                      bool
	AutoRoute                bool
	StrictRoute              bool
	Inet4RouteAddress        []netip.Prefix
	Inet6RouteAddress        []netip.Prefix
	Inet4RouteExcludeAddress []netip.Prefix
	Inet6RouteExcludeAddress []netip.Prefix
	IncludeInterface         []string
	ExcludeInterface         []string
	IncludeUID               []ranges.Range[uint32]
	ExcludeUID               []ranges.Range[uint32]
	IncludeAndroidUser       []int
	IncludePackage           []string
	ExcludePackage           []string
	InterfaceMonitor         DefaultInterfaceMonitor
	TableIndex               int
	FileDescriptor           int
	Logger                   logger.Logger
	// contains filtered or unexported fields
}

type PackageManager interface {
	Start() error
	Close() error
	IDByPackage(packageName string) (uint32, bool)
	IDBySharedPackage(sharedPackage string) (uint32, bool)
	PackageByID(id uint32) (string, bool)
	SharedPackageByID(id uint32) (string, bool)
}

type PackageManagerCallback interface {
	OnPackagesUpdated(packages int, sharedUsers int)
	E.Handler
}

type Session struct {
	SourceAddress      netip.Addr
	DestinationAddress netip.Addr
	SourcePort         uint16
	DestinationPort    uint16
}

type Stack interface {
	Start() error
	Close() error
}

type StackOptions struct {
	Context                context.Context
	Tun                    Tun
	TunOptions             Options
	EndpointIndependentNat bool
	UDPTimeout             int64
	Handler                Handler
	Logger                 logger.Logger
	ForwarderBindInterface bool
	InterfaceFinder        control.InterfaceFinder
}

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

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

type TCPSession struct {
	Source      netip.AddrPort
	Destination netip.AddrPort
	LastActive  time.Time
}

type Tun interface {
	io.ReadWriter
	N.VectorisedWriter
	Close() error
}

type WinTun interface {
	Tun
	ReadPacket() ([]byte, func(), error)
}