octoleo/syncthing
1
0
Fork 0
mirror of https://github.com/octoleo/syncthing.git synced 2024-12-23 03:18:59 +00:00
Code Issues Packages Projects Releases Wiki Activity

Fix API event subscription

Browse Source 
The API never got the first few events ("Starting" etc) as it subscribed
too late. Instead, set up a subscription for it early on. If the API is
configured not to run this is unnecessary but doesn't hurt very much.
This commit is contained in:
Jakob Borg 2015-06-16 09:17:58 +02:00
parent a6d9150b14
commit 1ac40a3043
2 changed files with 10 additions and 9 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

10
cmd/syncthing/gui.go
View File

@ -49,7 +49,6 @@ var (
guiErrors = []guiError{}
guiErrorsMut = sync.NewMutex()
startTime = time.Now()
eventSub *events.BufferedSubscription
)
type apiSvc struct {
@ -60,14 +59,16 @@ type apiSvc struct {
fss *folderSummarySvc
stop chan struct{}
systemConfigMut sync.Mutex
eventSub *events.BufferedSubscription
}
func newAPISvc(cfg config.GUIConfiguration, assetDir string, m *model.Model) (*apiSvc, error) {
func newAPISvc(cfg config.GUIConfiguration, assetDir string, m *model.Model, eventSub *events.BufferedSubscription) (*apiSvc, error) {
svc := &apiSvc{
cfg: cfg,
assetDir: assetDir,
model: m,
systemConfigMut: sync.NewMutex(),
eventSub: eventSub,
}
var err error
@ -125,9 +126,6 @@ func (s *apiSvc) Serve() {
s.stop = make(chan struct{})
l.AddHandler(logger.LevelWarn, s.showGuiError)
sub := events.Default.Subscribe(events.AllEvents)
eventSub = events.NewBufferedSubscription(sub, 1000)
defer events.Default.Unsubscribe(sub)
// The GET handlers
getRestMux := http.NewServeMux()
@ -743,7 +741,7 @@ func (s *apiSvc) getEvents(w http.ResponseWriter, r *http.Request) {
f := w.(http.Flusher)
f.Flush()
evs := eventSub.Since(since, nil)
evs := s.eventSub.Since(since, nil)
if 0 < limit && limit < len(evs) {
evs = evs[len(evs)-limit:]
}

9
cmd/syncthing/main.go
View File

@ -447,6 +447,9 @@ func syncthingMain() {
mainSvc.Add(newVerboseSvc())
}
// Event subscription for the API; must start early to catch the early events.
apiSub := events.NewBufferedSubscription(events.Default.Subscribe(events.AllEvents), 1000)
if len(os.Getenv("GOMAXPROCS")) == 0 {
runtime.GOMAXPROCS(runtime.NumCPU())
}
@ -628,7 +631,7 @@ func syncthingMain() {
// GUI
setupGUI(mainSvc, cfg, m)
setupGUI(mainSvc, cfg, m, apiSub)
// The default port we announce, possibly modified by setupUPnP next.
@ -768,7 +771,7 @@ func startAuditing(mainSvc *suture.Supervisor) {
l.Infoln("Audit log in", auditFile)
}
func setupGUI(mainSvc *suture.Supervisor, cfg *config.Wrapper, m *model.Model) {
func setupGUI(mainSvc *suture.Supervisor, cfg *config.Wrapper, m *model.Model, apiSub *events.BufferedSubscription) {
opts := cfg.Options()
guiCfg := overrideGUIConfig(cfg.GUI(), guiAddress, guiAuthentication, guiAPIKey)
@ -797,7 +800,7 @@ func setupGUI(mainSvc *suture.Supervisor, cfg *config.Wrapper, m *model.Model) {
urlShow := fmt.Sprintf("%s://%s/", proto, net.JoinHostPort(hostShow, strconv.Itoa(addr.Port)))
l.Infoln("Starting web GUI on", urlShow)
api, err := newAPISvc(guiCfg, guiAssets, m)
api, err := newAPISvc(guiCfg, guiAssets, m, apiSub)
if err != nil {
l.Fatalln("Cannot start GUI:", err)
}