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main.go
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main.go
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package main
import (
"fmt"
"net"
"os"
"os/signal"
"syscall"
"github.com/Rotchamar/xdp_gtp/xdpgtp"
"github.com/cilium/ebpf/link"
)
func main() {
clientIface, err := net.InterfaceByName("eth0")
if err != nil {
return
}
upfIface, err := net.InterfaceByName("eth1")
if err != nil {
return
}
xgtp, err := xdpgtp.NewXDPGTP(link.XDPGenericMode)
if err != nil {
fmt.Println(err)
return
}
defer xgtp.Close()
err = xgtp.AttachClientFacingProgramToInterface(clientIface.Index)
if err != nil {
fmt.Println(err)
return
}
defer xgtp.DetachProgramFromInterface(clientIface.Index)
err = xgtp.AttachUpfFacingProgramToInterface(upfIface.Index)
if err != nil {
fmt.Println(err)
return
}
defer xgtp.DetachProgramFromInterface(upfIface.Index)
err = xgtp.AddUpf(net.ParseIP("10.0.100.20"))
if err != nil {
fmt.Println(err)
return
}
err = xgtp.AddClient(net.ParseIP("10.0.1.10"), 1, net.ParseIP("10.0.100.20"))
if err != nil {
fmt.Println(err)
return
}
fmt.Println("Press Ctrl-C to exit")
c := make(chan os.Signal)
signal.Notify(c, os.Interrupt, syscall.SIGTERM)
<-c
}