func acquireAddr(req *fasthttp.Request) (string, bool) {
addr := string(req.URI().Host())
if len(addr) == 0 {
log.Fatalf("address cannot be empty")
}
isTLS := string(req.URI().Scheme()) == "https"
tmp := strings.SplitN(addr, ":", 2)
if len(tmp) != 2 {
port := ":80"
if isTLS {
port = ":443"
}
return tmp[0] + port, isTLS
}
port := tmp[1]
portInt, err := strconv.Atoi(port)
if err != nil {
log.Fatalf("cannot parse port %q of addr %q: %s", port, addr, err)
}
if portInt < 0 {
log.Fatalf("upstreamHosts port %d cannot be negative: %q", portInt, addr)
}
return addr, isTLS
}
