public MqttClient(MqttClientOptions options, IMqttCommunicationAdapter adapter)
{
_options = options ?? throw new ArgumentNullException(nameof(options));
_adapter = adapter ?? throw new ArgumentNullException(nameof(adapter));
_adapter.PacketSerializer.ProtocolVersion = options.ProtocolVersion;
}
public static int GetPort(this MqttClientOptions options)
{
if (options == null)
{
throw new ArgumentNullException(nameof(options));
}
if (options.Port.HasValue)
{
return(options.Port.Value);
}
return(!options.TlsOptions.UseTls ? 1883 : 8883);
}
public async Task ConnectAsync(MqttClientOptions options)
{
if (options == null)
{
throw new ArgumentNullException(nameof(options));
}
ThrowIfConnected("It is not allowed to connect with a server after the connection is established.");
try
{
_options = options;
_cancellationTokenSource = new CancellationTokenSource();
_latestPacketIdentifier = 0;
_packetDispatcher.Reset();
_adapter = _communicationChannelFactory.CreateMqttCommunicationAdapter(options);
MqttNetTrace.Verbose(nameof(MqttClient), "Trying to connect with server.");
await _adapter.ConnectAsync(_options.DefaultCommunicationTimeout).ConfigureAwait(false);
MqttNetTrace.Verbose(nameof(MqttClient), "Connection with server established.");
await SetupIncomingPacketProcessingAsync();
await AuthenticateAsync(options.WillMessage);
MqttNetTrace.Verbose(nameof(MqttClient), "MQTT connection with server established.");
if (_options.KeepAlivePeriod != TimeSpan.Zero)
{
StartSendKeepAliveMessages(_cancellationTokenSource.Token);
}
Connected?.Invoke(this, EventArgs.Empty);
}
catch (Exception)
{
await DisconnectInternalAsync().ConfigureAwait(false);
throw;
}
}
public MqttClient(MqttClientOptions options, IMqttCommunicationAdapter adapter)
{
_options = options ?? throw new ArgumentNullException(nameof(options));
_adapter = adapter ?? throw new ArgumentNullException(nameof(adapter));
}