private void sendMQT(KPIN kpin)
{
//this is same as the code taken from the pdf
//MqttClient clientPub = new MqttClient(IPAddress.Parse(ipAddress));
string timeStamp = (DateTime.UtcNow).ToString("o");
string topic = "v1/items/pin/" + kpin.getUnitId() + "/" + kpin.getEvent();
MqttClient clientPub = new MqttClient(ipAddress);
string clientIdPub = Guid.NewGuid().ToString();
clientPub.Connect(clientIdPub);
//{"datetime": "2015-07-15t13:18:46z","data" :{“actuatorID”:”1234”,”productID”:”123”}}
string strValue = Convert.ToString("{\"datetime\": \"" + timeStamp + "\",\"data\" :{\"actuatorID\": \"" + kpin.getUnitId() + "\",\"productID\":\"\"}}");
//string strValue = Convert.ToString("{‘data’ : {‘id’ : ‘" + kpin.getUnitId() + "’},'timestamp' : '"+ timeStamp +"'}");
clientPub.Publish(topic, Encoding.UTF8.GetBytes(strValue), MqttMsgBase.QOS_LEVEL_EXACTLY_ONCE, false);
//It is important to have the last param set false. It is the retain parameter, if set to true
//this will retain the message in broker and will send it for new subscribers which will
//trigger unsolicited events.
}
public void sending()
{
KPIN tmpKpin = new KPIN("Not a kping", (byte)0x02);
bool sendStat = false;
while (ThreadOn)
{
Thread.Sleep(1);
lock (sendKpinBuff)
{
if(sendKpinBuff.Count>0)
{
tmpKpin = sendKpinBuff.Dequeue();
sendStat = true;
}
}
if (sendStat)
{
try
{ // this is the format of the topic
//string topic = "v1/items/hanger/1003430/event/active";
sendMQT(tmpKpin);
}
catch (Exception)
{
}
//do the sending part with releasing the buffer to others to use
Console.Write("Sending - ");
Console.Write(tmpKpin.getUnitId());
Console.Write(" - ");
Console.WriteLine(tmpKpin.getEvent());
sendStat = false;
}
}
}