[core] Add vr->ts_started struct member, representing the ev_tstamp when the vr has been started

include/lighttpd/virtualrequest.h

@@ -65,6 +65,8 @@ struct liVRequest {
 
 	liVRequestState state;
 
+	ev_tstamp ts_started;
+
 	liVRequestHandlerCB
 		handle_request_headers,
 		handle_response_headers, handle_response_body,

src/main/virtualrequest.c

@@ -324,6 +324,8 @@ void li_vrequest_start(liVRequest *vr) {
 	if (LI_VRS_CLEAN == vr->state) {
 		li_request_reset(&vr->request);
 	}
+
+	vr->ts_started = CUR_TS(vr->wrk);
 }
 
 /* received all request headers */

src/main/worker.c

@@ -285,6 +285,7 @@ void li_worker_new_con(liWorker *ctx, liWorker *wrk, liSocketAddress remote_addr
 		ev_io_set(&con->sock_watcher, s, EV_READ);
 		ev_io_start(wrk->loop, &con->sock_watcher);
 		con->ts_started = CUR_TS(wrk);
+		con->mainvr->ts_started = CUR_TS(wrk);
 
 		con->remote_addr = remote_addr;
 		li_sockaddr_to_string(remote_addr, con->remote_addr_str, FALSE);