/// <summary>
/// disconnect event handler
/// </summary>
/// <param name="e"></param>
private void DisconnectHandler(MqttClientDisconnectedEventArgs e)
{
if (MqttClientDisconnectReason.NormalDisconnection == e.ReasonCode)
{
ActiveMQ_MQTT_Settings.Trace(m_strConsumerClientID + " disconnect ActiveMQ normally.");
}
else
{
ActiveMQ_MQTT_Settings.Trace(m_strConsumerClientID + " disconnect ActiveMQ with error code: " + e.ReasonCode.ToString());
}
Reconnect();
}
/// <summary>
/// connect event handler
/// </summary>
/// <param name="e"></param>
private void ConnectHandler(MqttClientConnectedEventArgs e)
{
if (MqttClientConnectResultCode.Success == e.AuthenticateResult.ResultCode)
{
ActiveMQ_MQTT_Settings.Trace(m_strProducerClientID + " Connect ActiveMQ success.");
}
else
{
ActiveMQ_MQTT_Settings.Trace(m_strProducerClientID + "Connect ActiveMQ failed, error code: " + e.AuthenticateResult.ResultCode.ToString());
Reconnect();
}
}
/// <summary>
/// reconnect
/// </summary>
private void Reconnect()
{
if (!m_mqttConsumer.IsConnected)
{
IMqttClientOptions mqttClientOptions = new MqttClientOptionsBuilder()
.WithClientId(m_strConsumerClientID)
.WithTcpServer(ActiveMQ_MQTT_Settings.s_strBrokerName, ActiveMQ_MQTT_Settings.s_nBrokerPort)
.Build();
m_mqttConsumer.ConnectAsync(mqttClientOptions, CancellationToken.None);
ActiveMQ_MQTT_Settings.Trace(m_strConsumerClientID + " Reconnecting.");
Thread.Sleep(3000);
}
}
/// <summary>
/// connect event handler
/// </summary>
/// <param name="e"></param>
private void ConnectHandler(MqttClientConnectedEventArgs e)
{
if (MqttClientConnectResultCode.Success == e.AuthenticateResult.ResultCode)
{
ActiveMQ_MQTT_Settings.Trace(m_strConsumerClientID + " Connect ActiveMQ success.");
MqttTopicFilter mqttTopicFilter = new MqttTopicFilterBuilder()
.WithTopic(ActiveMQ_MQTT_Settings.s_strTopic)
.WithExactlyOnceQoS()
.Build();
m_mqttConsumer.SubscribeAsync(mqttTopicFilter);
}
else
{
ActiveMQ_MQTT_Settings.Trace(m_strConsumerClientID + "Connect ActiveMQ failed, error code: " + e.AuthenticateResult.ResultCode.ToString());
Reconnect();
}
}
/// <summary>
/// publish message to the topic
/// </summary>
private void ConsumeMessage()
{
while (true)
{
if (m_mqttConsumer.IsConnected && (!m_queueConsumeMsg.IsEmpty))
{
ConsumeMessageInfo oConsumeMessageInfo;
if (m_queueConsumeMsg.TryDequeue(out oConsumeMessageInfo))
{
ActiveMQ_MQTT_Settings.Trace(m_strConsumerClientID + "<<< Received topic content: [" +
System.Text.Encoding.ASCII.GetString(oConsumeMessageInfo.Content) +
"]");
}
}
else
{
Thread.Sleep(1000);
}
}
}
/// <summary>
/// publish message to the topic
/// </summary>
private void PublishMessage()
{
while (true)
{
if (m_mqttProducer.IsConnected)
{
string strMessage = m_strProducerClientID + " produced message " + m_nMesssageSequenceNumber.ToString();
m_nMesssageSequenceNumber = ((0 != (m_nMesssageSequenceNumber % int.MaxValue)) ? (++m_nMesssageSequenceNumber) : 0);
MqttApplicationMessage mqttMessage = new MqttApplicationMessageBuilder()
.WithTopic(ActiveMQ_MQTT_Settings.s_strTopic)
.WithPayload(strMessage)
.WithExactlyOnceQoS()
.Build();
m_mqttProducer.PublishAsync(mqttMessage, CancellationToken.None);
ActiveMQ_MQTT_Settings.Trace(m_strProducerClientID + ">>> Published topic content: [" + strMessage + "]");
Thread.Sleep(100);
}
else
{
Thread.Sleep(1000);
}
}
}
