private void MQTTConnectiobn()
{
byte returnCode = AppMQTTClient.Connect(ClientId, "ash", "ash", false, BrokerKeepAlivePeriod);
if (returnCode != 0)
{
MakeConnection();
}
}
public string Subscribe(string messgeTopic)
{
if (AppMQTTClient != null)
{
ushort msgId = AppMQTTClient.Subscribe(new string[] { messgeTopic },
new byte[] { MqttMsgBase.QOS_LEVEL_EXACTLY_ONCE }
);
//Logger.Info(string.Format("Subscription to topic {0}", messgeTopic));
}
return("Success");
}
private void DefinedMQTTCommunicationEvents()
{
AppMQTTClient.MqttMsgPublished += client_MqttMsgPublished; //publish
AppMQTTClient.MqttMsgSubscribed += client_MqttMsgSubscribed; //subscribe confirmation
AppMQTTClient.MqttMsgUnsubscribed += client_MqttMsgUnsubscribed;
AppMQTTClient.MqttMsgPublishReceived += client_MqttMsgPublishReceived; //received message.
AppMQTTClient.ConnectionClosed += client_ConnectionClosed;
ushort submsgId = AppMQTTClient.Subscribe(new string[] { "shhello", "sh/configuration", "sh/command", "sh/feedback/#" },
new byte[] { MqttMsgBase.QOS_LEVEL_EXACTLY_ONCE, MqttMsgBase.QOS_LEVEL_EXACTLY_ONCE,
MqttMsgBase.QOS_LEVEL_EXACTLY_ONCE, MqttMsgBase.QOS_LEVEL_EXACTLY_ONCE });
}
public void MakeDisConnect()
{
if (AppMQTTClient != null && AppMQTTClient.IsConnected)
{
try
{
AppMQTTClient.Disconnect();
}
catch (Exception ex)
{
Logger.LogError(ex, string.Format("Could not disconnect to MQ broker: {0}", ex.Message));
}
}
}
public string Publish(string messgeTopic, string publishMessage)
{
if (AppMQTTClient != null)
{
try
{
lock (locker)
{
ushort msgId = AppMQTTClient.Publish(messgeTopic, // topic
Encoding.UTF8.GetBytes(publishMessage), // message body
MqttMsgBase.QOS_LEVEL_EXACTLY_ONCE, // QoS level
false);
}
}
catch (Exception ex)
{
// log.Warn("Error while publishing: " + ex.Message, ex);
}
}
return("Success");
}
public void MakeConnection()
{
Logger.Info("Make Connection Envoke");
#region MyRegion
try
{
if (AppMQTTClient == null || !AppMQTTClient.IsConnected)
{
Logger.Info("MQTT process to start connection.");
if (BrokerAddress == "192.168.11.236")
{
LocalBrokerConnection(BrokerAddress);
}
else if (BrokerAddress == "192.168.11.189")
{
BrokerConnectionWithoutCertificateForCommand(BrokerAddress);
}
else if (BrokerAddress == "192.168.11.190")
{
Logger.Info("Try to connect with broker.");
//BrokerConnectionWithoutCertificateForCommand(BrokerAddress);
BrokerConnectionWithCertificateForWebBroker(BrokerAddress);
Logger.Info("Web broker connection successfull.");
}
else if (BrokerAddress == "192.168.11.150")
{
BrokerConnectionWithoutCertificate(BrokerAddress);
}
else
{
BrokerConnectionWithCertificate(BrokerAddress);
}
DefinedMQTTCommunicationEvents();
Logger.Info("MQTT successfully stablished connection.");
}
}
catch (Exception ex)
{
Logger.Info(string.Format("Could not stablished connection to MQ broker: {0}", ex.Message));
//don't leave the client connected
if (AppMQTTClient != null && AppMQTTClient.IsConnected)
{
try
{
AppMQTTClient.Disconnect();
}
catch
{
////Logger.LogError(ex, string.Format("Could not disconnect to MQ broker: {1}", ex.Message));
}
}
//ideally through exception and call make connection on hanle it.
MakeConnection();
Logger.Info(string.Format("Try to connect with mqtt"));
}
#endregion
}
