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path: root/goxyctl/main.go
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package main

import (
	"flag"
	"io/ioutil"
	"log"
	"net/rpc"
)

var (
	rpcserver  = flag.String("server", ":http-alt", "RPC Server port")
	servername = flag.String("host", "", "from")
	upstream   = flag.String("upstream", "", "to")
	keyfile    = flag.String("key", "", "TLS Key file")
	crtfile    = flag.String("cert", "", "TLS Cert file")
	remove     = flag.Bool("remove", false, "remove entry")
)

type Entry struct {
	ServerName string
	Upstream   string
	Cert       []byte
	Key        []byte
}

func main() {
	flag.Parse()

	e := Entry{
		ServerName: *servername,
		Upstream:   *upstream,
	}

	if *keyfile != "" && *crtfile != "" {
		var err error
		if e.Cert, err = ioutil.ReadFile(*crtfile); err != nil {
			log.Fatal(err)
		}
		if e.Key, err = ioutil.ReadFile(*keyfile); err != nil {
			log.Fatal(err)
		}
	}

	client, err := rpc.DialHTTP("tcp", *rpcserver)
	if err != nil {
		log.Fatal(err)
	}
	defer client.Close()

	switch {
	case e.ServerName != "" && e.Upstream != "":
		err = client.Call("GoXY.Add", e, nil)
	case e.ServerName != "" && *remove:
		err = client.Call("GoXY.Del", e, nil)
	default:
		var r []Entry
		err = client.Call("GoXY.List", struct{}{}, &r)
		for _, v := range r {
			log.Println(v.ServerName, "->", v.Upstream)
		}
	}
	if err != nil {
		log.Fatal(err)
	}
}