private IMqttClient CreateMqttClient(MqttAddress addr)
{
var ClientOptions = new MqttClientOptions
{
ClientId = addr.ClientId,
ChannelOptions = new MqttClientTcpOptions
{
Server = addr.BindAddress,
Port = addr.Port,
}
};
var mqttClient = new MqttFactory().CreateMqttClient();
mqttClient.DisconnectedHandler = new MqttClientDisconnectedHandlerDelegate(async e =>
{
//Console.WriteLine("### DISCONNECTED FROM SERVER ###");
await Task.Delay(TimeSpan.FromSeconds(1));
try
{
await mqttClient.ReconnectAsync();
logger.Trace("RECONNECTED BROKER");
}
catch
{
logger.Trace("### RECONNECTING FAILED ###");
}
});
bool IsSuccess = false;
for (int i = 0; i < 3; i++)
{
try
{
mqttClient.ConnectAsync(ClientOptions);
IsSuccess = true;
break;
}
catch (Exception ex)
{
logger.Error(ex, $"#### MQTT BROKER CONNECTING FAILED ### \n{addr.ToJson()}");
Thread.Sleep(TimeSpan.FromSeconds(30));
continue;
}
}
if (IsSuccess == false)
{
logger.Error("#### 브로커 접속에 실패했습니다. 다시 실행해주세요. ####");
return(null);
}
return(mqttClient);
}
public SubscribeWorker(NLog.ILogger _logger, string topic, MqttAddress to)
{
logger = _logger;
to_address = to;
_client = CreateMqttClient(to);
}
