private async void DeviceLocator_DeviceAvailable(object sender, DeviceAvailableEventArgs arg)
{
try
{
var usn = arg.DiscoveredDevice.Usn;
var host = arg.DiscoveredDevice.DescriptionLocation.Host;
lock (foundDevices)
{
if (foundDevices.Contains(usn + host))
{
Debug.WriteLine("Discovered but already found: " + usn, "Discovery");
return;
}
Debug.WriteLine("Discovered new: " + usn, "Discovery");
foundDevices.Add(usn + host);
}
if (!arg.DiscoveredDevice.ResponseHeaders.TryGetValues("SERVER", out var values) || !values.Any(s => s.Contains("Panasonic")))
{
return;
}
var info = await arg.DiscoveredDevice.GetDeviceInfo() as SsdpRootDevice;
if (info == null)
{
return;
}
if (info.ModelName != "LUMIX")
{
return;
}
if (usnToLumix.TryGetValue(usn, out var oldcamera))
{
await oldcamera.Disconnect(false);
lock (foundDevices)
{
foundDevices.Add(usn + host);
}
}
var dev = new DeviceInfo(info, usn);
Log.Trace("Discovered " + dev.ModelName, tags: "camera." + dev.ModelName);
OnDeviceDiscovered(dev);
}
catch (HttpRequestException e)
{
// var status = WebSocketError.GetStatus(ex.GetBaseException().HResult);
Debug.WriteLine(e);
// Ignore because GetDeviceInfo has problems
}
catch (Exception e)
{
Log.Error(e);
}
}
protected void OnDeviceDiscovered(DeviceInfo obj)
{
DeviceDiscovered?.Invoke(obj);
}