/// <summary>
/// Find the available chromecast receivers
/// </summary>
/// <typeparam name="cancellationToken">Enable to cancel the operation before timeout</typeparam>
/// <typeparam name="timeOut">Define custom timeout when required, default is 2000 ms</typeparam>
/// <returns>a collection of chromecast receivers</returns>
public async Task <IEnumerable <ChromecastReceiver> > FindReceiversAsync(CancellationToken cancellationToken)
{
if (_serviceBrowser.IsBrowsing)
{
_serviceBrowser.StopBrowse();
}
_serviceBrowser.StartBrowse("_googlecast._tcp");
while (!cancellationToken.IsCancellationRequested)
{
await Task.Delay(100);
}
_serviceBrowser.StopBrowse();
return(DiscoveredDevices);
}
private void scanTimer_Tick(object sender, EventArgs e)
{
scanTimer.Stop();
serviceBrowser.StopBrowse();
this.Invoke(new MethodInvoker(delegate
{
if (buttonList.Count == 0)
{
message.Text = "Couldn't find any esprgb devices in your network";
}
resScnDevice.Visible = true;
}));
}
private void refresh_mdns_Click(object sender, RoutedEventArgs e)
{
new Action(() =>
{
node.Log("开始扫描MDNS");
ServiceBrowser browser = new ServiceBrowser();
SynchronizationContext context = new SynchronizationContext();
browser.StartBrowse("*", context);
Thread.Sleep(3000);
browser.StopBrowse();
node.Log("更新结果");
Dispatcher.Invoke(() => mdns_result.ItemsSource = browser.Services);
}).ThreadStart(() => Dispatcher.Invoke(() => refresh_mdns.IsEnabled = false), () => Dispatcher.Invoke(() => refresh_mdns.IsEnabled = true));
}
/// <summary>
/// Discover all the nanoleaf systems on the network
/// </summary>
/// <param name="timeoutInMs">the discover scan timeout</param>
/// <returns>list of light systems</returns>
public async Task <IList <ILightSystem> > DiscoverAsync(int timeoutInMs = 5000)
{
var systems = new List <ILightSystem>();
var systemsLock = new object();
var discover = new ServiceBrowser();
discover.ServiceAdded += (object sender, ServiceAnnouncementEventArgs e) =>
{
lock (systemsLock)
{
systems.AddRange(e.Announcement.Addresses
.Select(addr => new IPEndPoint(addr, e.Announcement.Port))
.Select(endpoint => new NanoleafLightSystem(endpoint)));
}
};
discover.StartBrowse(ServiceName);
await Task.Delay(timeoutInMs);
discover.StopBrowse();
return(systems);
}
public void StopDiscovery()
{
serviceBrowser.StopBrowse();
}
public void Dispose()
{
serviceBrowser.StopBrowse();
Available.Clear();
}
private void btnOK_Click(object sender, EventArgs e)
{
// clean before exit
serviceBrowser.StopBrowse();
this.Close();
}