private void Client_MqttMsgPublishReceived(object sender, MqttMsgPublishEventArgs e)
{
var msg = MqttMessageBuilder
.NewMessage()
.AddTopic(e.Topic)
.SetMessage(Encoding.UTF8.GetString(e.Message))
.SetRawMessage(e.Message)
.SetMessageType(MqttMessageType.MQTT_PUBLISH)
.Build();
MessageReceivedString?.Invoke(msg);
}
public void MqttConnect()
{
if ((_autoReconnect) && (!_reconnectTimerStarted))
{
_reconnectTimer.Start();
_reconnectTimerStarted = true;
}
if (client.IsConnected)
{
client.Disconnect();
}
System.Threading.Thread.Sleep(10);
var offlineWill = MqttMessageBuilder
.NewMessage()
.AddDeviceIdToTopic
.AddTopic(_mqttSettings.will.topic)
.Build();
byte conn = client.Connect(_mqttSettings.deviceId, _mqttSettings.user, _mqttSettings.password, true, MqttMsgBase.QOS_LEVEL_EXACTLY_ONCE,
_mqttSettings.will.enabled, offlineWill.GetRawTopic(), _mqttSettings.will.offlineMessage, false, _mqttSettings.will.keepAlive);
if (client.IsConnected)
{
var onlineWill = MqttMessageBuilder
.NewMessage()
.AddDeviceIdToTopic
.AddTopic(_mqttSettings.will.topic)
.SetMessage(_mqttSettings.will.onlineMessage)
.SetMessageType(MqttMessageType.MQTT_PUBLISH)
.Build();
Publish(onlineWill);
ConnectionConnected?.Invoke();
}
else
{
switch (conn)
{
case MqttMsgConnack.CONN_REFUSED_IDENT_REJECTED:
ConnectionClosed?.Invoke("Ident rejected by server", conn);
break;
case MqttMsgConnack.CONN_REFUSED_NOT_AUTHORIZED:
ConnectionClosed?.Invoke("User not authorized", conn);
break;
case MqttMsgConnack.CONN_REFUSED_PROT_VERS:
ConnectionClosed?.Invoke("Protocol version mismatch", conn);
break;
case MqttMsgConnack.CONN_REFUSED_SERVER_UNAVAILABLE:
ConnectionClosed?.Invoke("Server unavailable", conn);
break;
case MqttMsgConnack.CONN_REFUSED_USERNAME_PASSWORD:
ConnectionClosed?.Invoke("User/Pass error", conn);
break;
default:
ConnectionClosed?.Invoke("Unknown error", conn);
break;
}
}
_queueCancellationTokenSource = new CancellationTokenSource();
Task t;
t = Task.Run(() => ProcessMessageQueue(), _queueCancellationTokenSource.Token);
}