/// <summary>
/// Запуск задачи соединения с облаком
/// </summary>
/// <param name="connection_string"></param>
/// <param name="client_id"></param>
private async Task <bool> Start(MQTTClient client)
{
return(await Task.Run(() =>
{
try
{
var configuration = new MqttConfiguration
{
//BufferSize = 128 * 1024,
Port = client.Port
//KeepAliveSecs = 10,
//WaitTimeoutSecs = 12,
//MaximumQualityOfService = MqttQualityOfService.AtMostOnce
//AllowWildcardsInTopicFilters = true
};
//System.Net.Sockets.Socket.
CloudConnectionResult.Message = "В ожидании соединения";
_client = MqttClient.CreateAsync(client.Server, configuration).Result;
_client.Disconnected += _client_Disconnected;
var sessionState = _client.ConnectAsync(new MqttClientCredentials(clientId: client.ClientId, userName: client.UserName, password: client.Password), cleanSession: false).Result;
CloudConnectionResult.Message = "Соединение установлено";
return true;
}
catch (System.Exception ex)
{
CloudConnectionResult.Message = ex.Message;
Log.Debug(MQTT_TAG, ex.Message);
Toast.MakeText(_context, ex.Message, ToastLength.Long);
return false;
}
}));
}
private async void StartAsync(MQTTClient client)
{
bool result = await Start(client);
CreateAlertResult();
}
public MQTTService(MQTTClient client, Context context)
{
this._context = context;
StartAsync(client);
}
