private async Task <TRANSPORTSTATE?> GetTransportInfo(TransportCommands avCommands, CancellationToken cancellationToken)
{
var command = avCommands.ServiceActions.FirstOrDefault(c => c.Name == "GetTransportInfo");
if (command == null)
{
return(null);
}
var service = GetAvTransportService();
if (service == null)
{
return(null);
}
var result = await new SsdpHttpClient(_httpClient, _config).SendCommandAsync(Properties.BaseUrl, service, command.Name, avCommands.BuildPost(command, service.ServiceType), false)
.ConfigureAwait(false);
if (result == null || result.Document == null)
{
return(null);
}
var transportState =
result.Document.Descendants(uPnpNamespaces.AvTransport + "GetTransportInfoResponse").Select(i => i.Element("CurrentTransportState")).FirstOrDefault(i => i != null);
var transportStateValue = transportState == null ? null : transportState.Value;
if (transportStateValue != null)
{
TRANSPORTSTATE state;
if (Enum.TryParse(transportStateValue, true, out state))
{
return(state);
}
}
return(null);
}
private Task SetPlay(TransportCommands avCommands, CancellationToken cancellationToken)
{
var command = avCommands.ServiceActions.FirstOrDefault(c => c.Name == "Play");
if (command == null)
{
return(Task.CompletedTask);
}
var service = GetAvTransportService();
if (service == null)
{
throw new InvalidOperationException("Unable to find service");
}
return(new SsdpHttpClient(_httpClient, _config).SendCommandAsync(Properties.BaseUrl, service, command.Name, avCommands.BuildPost(command, service.ServiceType, 1)));
}