func doUI(client *rest.Client, url string, logger *log.Logger) error {
app := ui.NewApp(client, url)
app.SetLogger(logger)
if e := topsl.AppInit(); e != nil {
return e
}
app.Logf("Starting up user interface")
topsl.SetApplication(app)
app.ShowMain()
// periodic updates please
go func() {
for {
topsl.AppDraw()
time.Sleep(time.Second)
}
}()
topsl.RunApplication()
return nil
}
func (a *App) refresh() {
client := a.client
etag := ""
for {
items, e := a.getItems()
topsl.AppLock()
a.items = items
a.err = e
topsl.AppUnlock()
topsl.AppDraw()
ctx, cancel := context.WithTimeout(context.Background(),
time.Hour)
etag, e = client.Watch(ctx, etag)
cancel()
if e != nil {
time.Sleep(2 * time.Second)
}
}
}
func (a *App) refreshLog(ctx context.Context, name string) {
info, e := a.client.GetLog(name)
for {
topsl.AppLock()
if a.logName == name {
a.logInfo = info
a.logErr = e
topsl.AppUnlock()
topsl.AppDraw()
} else {
topsl.AppUnlock()
return
}
select {
case <-ctx.Done():
return
default:
}
info, e = a.client.WatchLog(ctx, name, info)
}
}