+
+ if (ngx_http_server_addr(r, NULL) != NGX_OK) {
+ return NGX_ERROR;
+ }
+
+ v->data = ngx_pnalloc(r->pool, sizeof("65535") - 1);
+ if (v->data == NULL) {
+ return NGX_ERROR;
+ }
+
+ switch (r->connection->local_sockaddr->sa_family) {
+
+#if (NGX_HAVE_INET6)
+ case AF_INET6:
+ sin6 = (struct sockaddr_in6 *) r->connection->local_sockaddr;
+ port = ntohs(sin6->sin6_port);
+ break;
+#endif
+
+ default: /* AF_INET */
+ sin = (struct sockaddr_in *) r->connection->local_sockaddr;
+ port = ntohs(sin->sin_port);
+ break;
+ }
+
+ if (port > 0 && port < 65536) {
+ v->len = ngx_sprintf(v->data, "%ui", port) - v->data;
+ }