cmd/routed: alt-svc fix again

cmd/routed/main.go

@@ -87,6 +87,8 @@ func setupQuic(s *Server, scfg Config) {
 		},
 	}
 
+	s.QuicServer = qs
+
 	for {
 		ln.FatalErr(context.Background(), qs.ListenAndServe())
 	}

cmd/routed/server.go

@@ -3,7 +3,6 @@ package main
 import (
 	"crypto/tls"
 	"errors"
-	"fmt"
 	"net"
 	"net/http"
 	"net/http/httputil"
@@ -13,6 +12,7 @@ import (
 	"git.xeserv.us/xena/route/internal/tun2"
 	proto "git.xeserv.us/xena/route/proto"
 	"github.com/Xe/ln"
+	"github.com/lucas-clemente/quic-go/h2quic"
 	"github.com/mtneug/pkg/ulid"
 	kcp "github.com/xtaci/kcp-go"
 	"golang.org/x/crypto/acme/autocert"
@@ -32,6 +32,8 @@ type Server struct {
 	db  database.Storage
 	ts  *tun2.Server
 
+	QuicServer *h2quic.Server
+
 	*autocert.Manager
 }
 
@@ -185,7 +187,7 @@ func (s *Server) ServeHTTP(w http.ResponseWriter, r *http.Request) {
 	rid := ulid.New().String()
 	r.Header.Set("X-Request-Id", rid)
 	w.Header().Set("X-Request-Id", rid)
-	w.Header().Add("Alt-Svc", fmt.Sprintf(`hq="%s"; ma=2592000`, s.cfg.QuicAddr))
+	s.QuicServer.SetQuicHeaders(w.Header())
 
 	// http://www.gnuterrypratchett.com/
 	w.Header().Set("X-Clacks-Overhead", "GNU Ashlynn")