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main: use flags as arguments instead of globals

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This commit is contained in:
Fabian Reinartz 2016-06-02 15:46:30 +02:00
parent 9993a4f244
commit c8a22d5750
1 changed files with 9 additions and 9 deletions
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18
main.go
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@ -141,7 +141,7 @@ func main() {
return n
}
amURL, err := extURL(*externalURL)
amURL, err := extURL(*listenAddress, *externalURL)
if err != nil {
log.Fatal(err)
}
@ -194,7 +194,7 @@ func main() {
api.Register(router.WithPrefix(path.Join(amURL.Path, "/api")))
log.Infoln("Listening on", *listenAddress)
go listen(router)
go listen(*listenAddress, router)
var (
hup = make(chan os.Signal)
@ -223,21 +223,21 @@ func main() {
log.Infoln("Received SIGTERM, exiting gracefully...")
}
func extURL(s string) (*url.URL, error) {
if s == "" {
func extURL(listen, external string) (*url.URL, error) {
if external == "" {
hostname, err := os.Hostname()
if err != nil {
return nil, err
}
_, port, err := net.SplitHostPort(*listenAddress)
_, port, err := net.SplitHostPort(listen)
if err != nil {
return nil, err
}
s = fmt.Sprintf("http://%s:%s/", hostname, port)
external = fmt.Sprintf("http://%s:%s/", hostname, port)
}
u, err := url.Parse(s)
u, err := url.Parse(external)
if err != nil {
return nil, err
}
@ -251,8 +251,8 @@ func extURL(s string) (*url.URL, error) {
return u, nil
}
func listen(router *route.Router) {
if err := http.ListenAndServe(*listenAddress, router); err != nil {
func listen(listen string, router *route.Router) {
if err := http.ListenAndServe(listen, router); err != nil {
log.Fatal(err)
}
}