An easy-to-use netstack, wrapped by gvisor and wireguard-go, which supports macOS/Linux/Windows.
go get -u github.com/josexy/netstackgotype myHandler struct{}
func (*myHandler) HandleTCPConn(info *netstackgo.ConnTuple, conn net.Conn) {
log.Printf("tcp, src: %s, dst: %s", info.Src(), info.Dst())
// do something...
}
func (*myHandler) HandleUDPConn(info *netstackgo.ConnTuple, conn net.PacketConn) {
log.Printf("udp, src: %s, dst: %s", info.Src(), info.Dst())
// do something...
}
func main() {
nt := netstackgo.New(tun.TunConfig{
Name: "tun2",
Addr: "192.18.0.1/16",
MTU: tun.DefaultMTU,
})
if err := nt.Start(); err != nil {
log.Fatal(err)
}
defer nt.Close()
nt.RegisterConnHandler(&myHandler{})
interrupt := make(chan os.Signal, 1)
signal.Notify(interrupt, syscall.SIGINT)
<-interrupt
}PS: Windows user requires downloading wintun.dll from https://www.wintun.net