private async Task InitClient()
{
if (_mqttClient == null)
{
_mqttClient = _mqttfactory.CreateMqttClient();
var mqttHost = ConfigurationManagerExtensions.GetValueByKey("Mqtt:Host") ?? "127.0.0.1";
var option = new MQTTnet.Client.MqttClientOptions
{
ChannelOptions = new MQTTnet.Client.MqttClientTcpOptions
{
Server = mqttHost
},
ClientId = "dudu_" + Guid.NewGuid().ToString(),
//KeepAlivePeriod = new TimeSpan(0, 0, 1)
};
_mqttClient.ApplicationMessageReceived += (sender, e) =>
{
Console.WriteLine("Client Received: Do anything you want");
Console.WriteLine("Sender");
Console.WriteLine(JsonConvert.SerializeObject(sender));
Console.WriteLine("MqttApplicationMessageReceivedEventArgs");
Console.WriteLine(JsonConvert.SerializeObject(e));
};
_mqttClient.Disconnected += (sender, e) =>
{
//try reconnect
_mqttClient.ConnectAsync(option);
};
await _mqttClient.ConnectAsync(option);
await _mqttClient.SubscribeAsync(new List <TopicFilter>() {
new TopicFilterBuilder()
.WithTopic(_mqttClient.Options.ClientId)
.WithAtLeastOnceQoS()
.Build()
});
}
}
public bool Connect()
{
try
{
var factory = new MQTTnet.MqttFactory();
mqttClient = factory.CreateMqttClient();
var options = new MQTTnet.Client.Options.MqttClientOptionsBuilder()
.WithTcpServer(this.Ip, this.Port)
.Build();
mqttClient.ConnectAsync(options, System.Threading.CancellationToken.None);
mqttClient.ConnectedHandler = new MQTTnet.Client.Connecting.MqttClientConnectedHandlerDelegate(e =>
{
if (Subscriptions != null)
{
MakeSubscriptions();
}
});
mqttClient.ApplicationMessageReceivedHandler = new MQTTnet.Client.Receiving.MqttApplicationMessageReceivedHandlerDelegate(e =>
{
String msg = System.Text.Encoding.UTF8.GetString(e.ApplicationMessage.Payload);
var deserializedData = JsonConvert.DeserializeObject <EventData>(msg);
deserializedData.Id = e.ApplicationMessage.Topic;
foreach (var s in Subscriptions)
{
if (s.Value.EventId == deserializedData.Id)
{
var pointer = s.Value.FunctionPointer;
var parameters = pointer.Method.GetParameters();
var parameterArrayForInvoke = new object[parameters.Length];
foreach (var eintrag in s.Value.IntegrationFlow)
{
int currentParameterCallIndex = 0;
for (; currentParameterCallIndex < parameters.Length; currentParameterCallIndex++)
{
if (parameters[currentParameterCallIndex].Name == eintrag.Key)
{
var currentParameterCallType = pointer.Method.GetParameters()[currentParameterCallIndex].ParameterType;
break;
}
}
Object deserializedParameter = null;
deserializedParameter = deserializedData.Data[eintrag.Value];
parameterArrayForInvoke[currentParameterCallIndex] = deserializedParameter;
}
pointer.DynamicInvoke(parameterArrayForInvoke);
}
}
});
}
catch
{
return(false);
}
return(true);
}
