/// <summary>
/// initial mqtt cllient and connect to ActiveMQ
/// </summary>
public Producer()
{
m_strProducerClientID = "Producer-" + s_nProducerID.ToString();
s_nProducerID = ((0 != (s_nProducerID % int.MaxValue)) ? (++s_nProducerID) : 0);
m_mqttProducer = new MqttClient(ActiveMQ_MQTT_Settings.s_strBrokerName,
ActiveMQ_MQTT_Settings.s_nBrokerPort,
false, null, null, MqttSslProtocols.None);
try
{
m_mqttProducer.Connect(m_strProducerClientID,
ActiveMQ_MQTT_Settings.s_strUserName,
ActiveMQ_MQTT_Settings.s_strPassword);
m_bIsConnected = true;
ActiveMQ_MQTT_Settings.Trace(m_strProducerClientID + " Connect ActiveMQ success.");
}
catch (Exception ex)
{
ActiveMQ_MQTT_Settings.Trace("Connect ActiveMQ failed, error msg: " + ex.Message + "; error stack trace: " + ex.StackTrace);
if (m_bIsConnected)
{
m_mqttProducer.Disconnect();
m_bIsConnected = false;
}
}
}
/// <summary>
/// initial mqtt cllient and connect to ActiveMQ
/// </summary>
public Consumer()
{
m_strConsumerClientID = "Consumer-" + s_nConsumerID.ToString();
s_nConsumerID = ((0 != (s_nConsumerID % int.MaxValue)) ? (++s_nConsumerID) : 0);
m_mqttConsumer = new MqttClient(ActiveMQ_MQTT_Settings.s_strBrokerName,
ActiveMQ_MQTT_Settings.s_nBrokerPort,
false, null, null, MqttSslProtocols.None);
m_mqttConsumer.MqttMsgPublishReceived += PublishReceived;
try
{
m_mqttConsumer.Connect(m_strConsumerClientID,
ActiveMQ_MQTT_Settings.s_strUserName,
ActiveMQ_MQTT_Settings.s_strPassword);
m_mqttConsumer.Subscribe(new string[] { ActiveMQ_MQTT_Settings.s_strTopic },
new byte[] { MqttMsgBase.QOS_LEVEL_EXACTLY_ONCE });
m_bIsConnected = true;
ActiveMQ_MQTT_Settings.Trace(m_strConsumerClientID + " Connect ActiveMQ success.");
}
catch (Exception ex)
{
ActiveMQ_MQTT_Settings.Trace("Connect ActiveMQ failed, error msg: " + ex.Message + "; error stack trace: " + ex.StackTrace);
if (m_bIsConnected)
{
m_mqttConsumer.Disconnect();
m_bIsConnected = false;
}
}
m_queueConsumeMsg = new ConcurrentQueue <ConsumeMessageInfo>();
}
/// <summary>
/// publish message to the topic
/// </summary>
private void PublishMessage()
{
while (m_bIsConnected)
{
string strMessage = m_strProducerClientID + " produced message " + m_nMesssageSequenceNumber.ToString();
m_nMesssageSequenceNumber = ((0 != (m_nMesssageSequenceNumber % int.MaxValue)) ? (++m_nMesssageSequenceNumber) : 0);
m_mqttProducer.Publish(ActiveMQ_MQTT_Settings.s_strTopic,
System.Text.Encoding.ASCII.GetBytes(strMessage),
MqttMsgBase.QOS_LEVEL_EXACTLY_ONCE,
false);
ActiveMQ_MQTT_Settings.Trace(m_strProducerClientID + " published topic content: [" + strMessage + "]");
Thread.Sleep(100);
}
}
/// <summary>
/// publish message to the topic
/// </summary>
private void ConsumeMessage()
{
while (m_bIsConnected)
{
if (!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) +
"] internal message id:[" + oConsumeMessageInfo.InternalMsgID + "]");
}
}
else
{
Thread.Sleep(100);
}
}
}