修复HTTP/3下无法传递ServerAddr的问题

internal/nodes/http_request.go

@@ -1430,11 +1430,25 @@ func (this *HTTPRequest) requestScheme() string {
 
 // 请求的服务器地址中的端口
 func (this *HTTPRequest) requestServerPort() int {
-	_, port, err := net.SplitHostPort(this.ServerAddr)
-	if err == nil {
-		return types.Int(port)
+	if len(this.ServerAddr) > 0 {
+		_, port, err := net.SplitHostPort(this.ServerAddr)
+		if err == nil && len(port) > 0 {
+			return types.Int(port)
+		}
 	}
-	return 0
+
+	var host = this.RawReq.Host
+	if len(host) > 0 {
+		_, port, err := net.SplitHostPort(host)
+		if err == nil && len(port) > 0 {
+			return types.Int(port)
+		}
+	}
+
+	if this.IsHTTP {
+		return 80
+	}
+	return 443
 }
 
 func (this *HTTPRequest) Id() string {

internal/nodes/listener_http.go

@@ -105,8 +105,13 @@ func (this *HTTPListener) Reload(group *serverconfigs.ServerAddressGroup) {
 	this.Reset()
 }
 
-// ServerHTTP 处理HTTP请求
+// ServeHTTPWithAddr 处理HTTP请求
 func (this *HTTPListener) ServeHTTP(rawWriter http.ResponseWriter, rawReq *http.Request) {
+	this.ServeHTTPWithAddr(rawWriter, rawReq, this.addr)
+}
+
+// ServeHTTPWithAddr 处理HTTP请求并指定服务地址
+func (this *HTTPListener) ServeHTTPWithAddr(rawWriter http.ResponseWriter, rawReq *http.Request, serverAddr string) {
 	if len(rawReq.Host) > 253 {
 		http.Error(rawWriter, "Host too long.", http.StatusBadRequest)
 		time.Sleep(1 * time.Second) // make connection slow down
@@ -211,7 +216,7 @@ func (this *HTTPListener) ServeHTTP(rawWriter http.ResponseWriter, rawReq *http.
 		ReqServer:  server,
 		ReqHost:    reqHost,
 		ServerName: serverName,
-		ServerAddr: this.addr,
+		ServerAddr: serverAddr,
 		IsHTTP:     this.isHTTP,
 		IsHTTPS:    this.isHTTPS,
 		IsHTTP3:    this.isHTTP3,