void _ssdpHandler_MessageReceived(object sender, SsdpMessageEventArgs e)
{
string nts;
e.Headers.TryGetValue("NTS", out nts);
if (String.Equals(e.Method, "NOTIFY", StringComparison.OrdinalIgnoreCase) &&
String.Equals(nts, "ssdp:byebye", StringComparison.OrdinalIgnoreCase) &&
!_disposed)
{
EventHelper.FireEventIfNotNull(DeviceLeft, this, e, _logger);
return;
}
try
{
var ip = _networkManager.GetLocalIpAddresses().FirstOrDefault();
if (ip != null)
{
e.LocalIp = IPAddress.Parse(ip);
TryCreateDevice(e);
}
}
catch (OperationCanceledException)
{
}
catch (Exception ex)
{
_logger.ErrorException("Error creating play to controller", ex);
}
}
private void OnMessageReceived(SsdpMessageEventArgs args)
{
if (string.Equals(args.Method, "M-SEARCH", StringComparison.OrdinalIgnoreCase))
{
RespondToSearch(args.EndPoint, args.Headers["st"]);
}
EventHelper.FireEventIfNotNull(MessageReceived, this, args, _logger);
}
private async void OnMessageReceived(SsdpMessageEventArgs args)
{
if (string.Equals(args.Method, "M-SEARCH", StringComparison.OrdinalIgnoreCase))
{
string mx = null;
args.Headers.TryGetValue("mx", out mx);
int delaySeconds;
if (!string.IsNullOrWhiteSpace(mx) &&
int.TryParse(mx, NumberStyles.Any, CultureInfo.InvariantCulture, out delaySeconds) &&
delaySeconds > 0)
{
if (_config.GetDlnaConfiguration().EnableDebugLogging)
{
_logger.Debug("Delaying search response by {0} seconds", delaySeconds);
}
await Task.Delay(delaySeconds * 1000).ConfigureAwait(false);
}
RespondToSearch(args.EndPoint, args.Headers["st"]);
}
EventHelper.FireEventIfNotNull(MessageReceived, this, args, _logger);
}
private async void OnMessageReceived(SsdpMessageEventArgs args)
{
if (string.Equals(args.Method, "M-SEARCH", StringComparison.OrdinalIgnoreCase))
{
var headers = args.Headers;
TimeSpan delay = GetSearchDelay(headers);
if (_config.GetDlnaConfiguration().EnableDebugLogging)
{
_logger.Debug("Delaying search response by {0} seconds", delay.TotalSeconds);
}
await Task.Delay(delay).ConfigureAwait(false);
string st;
if (headers.TryGetValue("st", out st))
{
RespondToSearch(args.EndPoint, st);
}
}
EventHelper.FireEventIfNotNull(MessageReceived, this, args, _logger);
}
private async void OnMessageReceived(SsdpMessageEventArgs args)
{
if (string.Equals(args.Method, "M-SEARCH", StringComparison.OrdinalIgnoreCase))
{
string mx = null;
args.Headers.TryGetValue("mx", out mx);
int delaySeconds;
if (!string.IsNullOrWhiteSpace(mx) &&
int.TryParse(mx, NumberStyles.Any, CultureInfo.InvariantCulture, out delaySeconds)
&& delaySeconds > 0)
{
if (_config.GetDlnaConfiguration().EnableDebugLogging)
{
_logger.Debug("Delaying search response by {0} seconds", delaySeconds);
}
await Task.Delay(delaySeconds * 1000).ConfigureAwait(false);
}
RespondToSearch(args.EndPoint, args.Headers["st"]);
}
EventHelper.FireEventIfNotNull(MessageReceived, this, args, _logger);
}
private void TryCreateDevice(SsdpMessageEventArgs args)
{
string nts;
args.Headers.TryGetValue("NTS", out nts);
string usn;
if (!args.Headers.TryGetValue("USN", out usn)) usn = string.Empty;
string nt;
if (!args.Headers.TryGetValue("NT", out nt)) nt = string.Empty;
// Ignore when a device is indicating it's shutting down
if (string.Equals(nts, "ssdp:byebye", StringComparison.OrdinalIgnoreCase))
{
return;
}
// Need to be able to download device description
string location;
if (!args.Headers.TryGetValue("Location", out location) ||
string.IsNullOrEmpty(location))
{
return;
}
if (_config.GetDlnaConfiguration().EnableDebugLogging)
{
var headerTexts = args.Headers.Select(i => string.Format("{0}={1}", i.Key, i.Value));
var headerText = string.Join(",", headerTexts.ToArray());
_logger.Debug("{0} Device message received from {1}. Headers: {2}", args.Method, args.EndPoint, headerText);
}
EventHelper.FireEventIfNotNull(DeviceDiscovered, this, args, _logger);
}