67 lines
1.0 KiB
Go
67 lines
1.0 KiB
Go
package main
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import (
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"flag"
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"github.com/pboehm/ddns/connection"
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"log"
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"strings"
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)
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func HandleErr(err error) {
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if err != nil {
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log.Fatal(err)
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}
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}
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var (
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DdnsDomain string
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)
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func init() {
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flag.StringVar(&DdnsDomain, "domain", "",
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"The subdomain which should be handled by DDNS")
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}
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func ValidateCommandArgs() {
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if DdnsDomain == "" {
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log.Fatal("You have to supply the domain via --domain=DOMAIN")
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} else if !strings.HasPrefix(DdnsDomain, ".") {
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// get the domain in the right format
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DdnsDomain = "." + DdnsDomain
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}
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}
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func PrepareForExecution() string {
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flag.Parse()
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ValidateCommandArgs()
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if len(flag.Args()) != 1 {
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usage()
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}
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cmd := flag.Args()[0]
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return cmd
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}
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func main() {
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cmd := PrepareForExecution()
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conn := connection.OpenConnection()
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defer conn.Close()
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switch cmd {
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case "backend":
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log.Printf("Starting PDNS Backend\n")
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RunBackend(conn)
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case "web":
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log.Printf("Starting Web Service\n")
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RunWebService(conn)
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default:
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usage()
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}
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}
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func usage() {
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log.Fatal("Usage: ./ddns [backend|web]")
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}
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