func ttyStart(tree *processtree.ProcessTree, done, quit chan bool) {
go func() {
scw := &StringChannelWriter{make(chan string, 10)}
slog.SetDefaultLogger(slog.NewShinyLogger(scw, scw))
termios, err := ttyutils.NoEcho(uintptr(os.Stdout.Fd()))
if err != nil {
theChart.terminalSupported = false
}
for {
select {
case <-quit:
ttyutils.RestoreTerminalState(uintptr(os.Stdout.Fd()), termios)
done <- true
return
case output := <-scw.Notif:
theChart.L.Lock()
if theChart.drawnInitial {
print(output)
}
theChart.extraOutput += output
theChart.L.Unlock()
theChart.draw()
case <-theChart.update:
theChart.draw()
}
}
}()
}
func Start(tree *processtree.ProcessTree, done chan bool) chan bool {
quit := make(chan bool)
go func() {
theChart = &StatusChart{}
theChart.RootSlave = tree.Root
theChart.numberOfSlaves = len(tree.SlavesByName)
theChart.Commands = tree.Commands
theChart.update = make(chan bool, 10)
theChart.directLogger = slog.NewShinyLogger(os.Stdout, os.Stderr)
theChart.terminalSupported = true
scw := &StringChannelWriter{make(chan string, 10)}
slog.DefaultLogger = slog.NewShinyLogger(scw, scw)
termios, err := ttyutils.NoEcho(uintptr(os.Stdout.Fd()))
if err != nil {
theChart.terminalSupported = false
}
ticker := time.Tick(1000 * time.Millisecond)
for {
select {
case <-quit:
ttyutils.RestoreTerminalState(uintptr(os.Stdout.Fd()), termios)
done <- true
return
case <-ticker:
if theChart.terminalSupported {
theChart.draw()
}
case output := <-scw.Notif:
theChart.L.Lock()
if theChart.drawnInitial {
print(output)
}
theChart.extraOutput += output
theChart.L.Unlock()
theChart.draw()
case <-tree.StateChanged:
theChart.draw()
case <-theChart.update:
theChart.draw()
}
}
}()
return quit
}