func (cmd *Command) overviewAction(backendId string, watch int, limit int) {
var bk *engine.BackendKey
if backendId != "" {
bk = &engine.BackendKey{Id: backendId}
}
for {
frontends, err := cmd.client.TopFrontends(bk, limit)
if err != nil {
cmd.printError(err)
frontends = []engine.Frontend{}
}
servers, err := cmd.client.TopServers(bk, limit)
if err != nil {
cmd.printError(err)
servers = []engine.Server{}
}
t := time.Now()
if watch != 0 {
goterm.Clear()
goterm.MoveCursor(1, 1)
goterm.Flush()
fmt.Fprintf(cmd.out, "%s Every %d seconds. Top %d entries\n\n", t.Format("2006-01-02 15:04:05"), watch, limit)
}
cmd.printOverview(frontends, servers)
if watch != 0 {
goterm.Flush()
} else {
return
}
time.Sleep(time.Second * time.Duration(watch))
}
}
func main() {
tm.Clear() // Clear current screen
for {
// By moving cursor to top-left position we ensure that console output
// will be overwritten each time, instead of adding new.
tm.MoveCursor(1, 1)
tm.Println("Current Time:", time.Now().Format(time.RFC1123))
tm.Flush() // Call it every time at the end of rendering
time.Sleep(time.Second)
}
}
func main() {
tm.Clear()
tm.MoveCursor(0, 0)
chart := tm.NewLineChart(100, 20)
data := new(tm.DataTable)
data.AddColumn("Time")
data.AddColumn("Sin(x)")
data.AddColumn("Cos(x+1)")
for i := 0.1; i < 10; i += 0.1 {
data.AddRow(i, math.Sin(i), math.Cos(i+1))
}
tm.Println(chart.Draw(data))
tm.Flush()
}