From 1bf07d6b588573d13471dfc0a41bc3cfcc4f79dd Mon Sep 17 00:00:00 2001
From: Jakob Borg <jakob@nym.se>
Date: Mon, 12 May 2014 21:15:18 -0300
Subject: [PATCH] Write response before shutting down

---
 cmd/syncthing/gui.go | 15 ++++++++++++---
 1 file changed, 12 insertions(+), 3 deletions(-)

diff --git a/cmd/syncthing/gui.go b/cmd/syncthing/gui.go
index ac89d6f7d..c5aa4b31c 100644
--- a/cmd/syncthing/gui.go
+++ b/cmd/syncthing/gui.go
@@ -157,19 +157,28 @@ func restGetConfigInSync(w http.ResponseWriter) {
 	json.NewEncoder(w).Encode(map[string]bool{"configInSync": configInSync})
 }
 
-func restPostRestart() {
+func restPostRestart(w http.ResponseWriter) {
+	flushResponse(`{"ok": "restarting"}`, w)
 	go restart()
 }
 
-func restPostReset() {
+func restPostReset(w http.ResponseWriter) {
+	flushResponse(`{"ok": "resetting repos"}`, w)
 	resetRepositories()
 	go restart()
 }
 
-func restPostShutdown() {
+func restPostShutdown(w http.ResponseWriter) {
+	flushResponse(`{"ok": "shutting down"}`, w)
 	go shutdown()
 }
 
+func flushResponse(s string, w http.ResponseWriter) {
+	w.Write([]byte(s + "\n"))
+	f := w.(http.Flusher)
+	f.Flush()
+}
+
 var cpuUsagePercent [10]float64 // The last ten seconds
 var cpuUsageLock sync.RWMutex