servername        636 http/ngx_http_request.c     const char               *servername;
servername        641 http/ngx_http_request.c     servername = SSL_get_servername(ssl_conn, TLSEXT_NAMETYPE_host_name);
servername        643 http/ngx_http_request.c     if (servername == NULL) {
servername        650 http/ngx_http_request.c                    "SSL server name: \"%s\"", servername);
servername        652 http/ngx_http_request.c     len = ngx_strlen(servername);
servername        660 http/ngx_http_request.c     host = (u_char *) servername;