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main.go
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main.go
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package main
import (
"fmt"
"log"
"os"
"github.com/pkg/errors"
"github.com/takehaya/vinbero/pkg/version"
"github.com/urfave/cli"
)
func main() {
app := newApp(version.Version)
if err := app.Run(os.Args); err != nil {
log.Fatalf("%+v", err)
}
}
func newApp(version string) *cli.App {
app := cli.NewApp()
app.Name = "gtptools"
app.Version = version
app.Usage = "Implementation to spit out only gtpv1-u"
app.EnableBashCompletion = true
app.Flags = []cli.Flag{
cli.StringFlag{
Name: "mode",
Value: "server",
Usage: "mode",
},
cli.StringFlag{
Name: "listen",
Value: "172.0.1.1",
Usage: "service listen addr",
},
cli.StringFlag{
Name: "peer",
Value: "172.0.2.1",
Usage: "remote peer addr",
},
cli.StringFlag{
Name: "subscriber",
Value: "1.0.1.2",
Usage: "mobile station addr",
},
cli.StringFlag{
Name: "ote",
Value: "100",
Usage: "putput TEID",
},
cli.StringFlag{
Name: "ite",
Value: "200",
Usage: "input TEID",
},
}
app.Action = run
return app
}
func run(ctx *cli.Context) (err error) {
mode := ctx.String("mode")
peer := ctx.String("peer")
subscriber := ctx.String("subscriber")
ote := ctx.String("ote")
ite := ctx.String("ite")
listen := ctx.String("listen")
if mode == "server" {
err = server(listen, peer, subscriber, ote, ite)
} else if mode == "client" {
err = client(listen, peer, subscriber, ote, ite)
} else {
return errors.Errorf("%v is inv mode", mode)
}
if err != nil {
return err
}
fmt.Println("exit")
return nil
}