public async Task StartAsync(MqttServerOptions options)
{
if (options == null)
{
throw new ArgumentNullException(nameof(options));
}
if (_defaultEndpointSocket != null)
{
throw new InvalidOperationException("Server is already started.");
}
if (options.DefaultEndpointOptions.IsEnabled)
{
_defaultEndpointSocket = new StreamSocketListener();
await _defaultEndpointSocket.BindServiceNameAsync(options.GetDefaultEndpointPort().ToString(), SocketProtectionLevel.PlainSocket);
_defaultEndpointSocket.ConnectionReceived += AcceptDefaultEndpointConnectionsAsync;
}
if (options.TlsEndpointOptions.IsEnabled)
{
throw new NotSupportedException("TLS servers are not supported for UWP apps.");
}
}
public void Start(MqttServerOptions options)
{
if (_isRunning)
{
throw new InvalidOperationException("Server is already started.");
}
_isRunning = true;
_cancellationTokenSource = new CancellationTokenSource();
if (options.DefaultEndpointOptions.IsEnabled)
{
_defaultEndpointSocket = new Socket(SocketType.Stream, ProtocolType.Tcp);
_defaultEndpointSocket.Bind(new IPEndPoint(IPAddress.Any, options.GetDefaultEndpointPort()));
_defaultEndpointSocket.Listen(options.ConnectionBacklog);
Task.Run(() => AcceptDefaultEndpointConnectionsAsync(_cancellationTokenSource.Token), _cancellationTokenSource.Token);
}
if (options.TlsEndpointOptions.IsEnabled)
{
if (options.TlsEndpointOptions.Certificate == null)
{
throw new ArgumentException("TLS certificate is not set.");
}
_tlsCertificate = new X509Certificate2(options.TlsEndpointOptions.Certificate);
_tlsEndpointSocket = new Socket(SocketType.Stream, ProtocolType.Tcp);
_tlsEndpointSocket.Bind(new IPEndPoint(IPAddress.Any, options.GetTlsEndpointPort()));
_tlsEndpointSocket.Listen(options.ConnectionBacklog);
Task.Run(() => AcceptTlsEndpointConnectionsAsync(_cancellationTokenSource.Token), _cancellationTokenSource.Token);
}
}
public Task StartAsync(MqttServerOptions options)
{
if (_cancellationTokenSource != null)
{
throw new InvalidOperationException("Server is already started.");
}
_cancellationTokenSource = new CancellationTokenSource();
if (options.DefaultEndpointOptions.IsEnabled)
{
_defaultEndpointSocket = new Socket(SocketType.Stream, ProtocolType.Tcp);
_defaultEndpointSocket.Bind(new IPEndPoint(IPAddress.Any, options.GetDefaultEndpointPort()));
_defaultEndpointSocket.Listen(options.ConnectionBacklog);
Task.Run(() => AcceptDefaultEndpointConnectionsAsync(_cancellationTokenSource.Token), _cancellationTokenSource.Token);
}
if (options.TlsEndpointOptions.IsEnabled)
{
if (options.TlsEndpointOptions.Certificate == null)
{
throw new ArgumentException("TLS certificate is not set.");
}
_tlsCertificate = new X509Certificate2(options.TlsEndpointOptions.Certificate);
if (!_tlsCertificate.HasPrivateKey)
{
throw new InvalidOperationException("The certificate for TLS encryption must contain the private key.");
}
_tlsEndpointSocket = new Socket(SocketType.Stream, ProtocolType.Tcp);
_tlsEndpointSocket.Bind(new IPEndPoint(IPAddress.Any, options.GetTlsEndpointPort()));
_tlsEndpointSocket.Listen(options.ConnectionBacklog);
Task.Run(() => AcceptTlsEndpointConnectionsAsync(_cancellationTokenSource.Token), _cancellationTokenSource.Token);
}
return(Task.FromResult(0));
}