#pragma warning disable 1998
public async Task SendMessageToIoTHubAsync(string deviceId, string location, string key, object value)
#pragma warning restore 1998
{
try
{
string strvalue = null;
if (value is double || value is float)
{
strvalue = $"{((double)value):F}";
}
else
{
strvalue = $"\"{value.ToString()}\"";
}
var payload =
$"{{\"deviceid\": \"{deviceId}\", \"location\": \"{location}\", \"channelvalue\": {value}, \"channelkey\": \"{key}\", \"localtimestamp\": \"{DateTime.Now.ToUniversalTime():O}\"}}";
_mqttclient.Publish($"devices/{_deviceid}/messages/events/", Encoding.UTF8.GetBytes(payload));
Debug.WriteLine(payload);
}
catch (Exception ex)
{
Debug.WriteLine(ex.Message);
//TODO Log
}
}
static void Main(string[] args)
{
Console.WriteLine("***********PUBLISHER***********");
//MqttClient client = new MqttClient("dev.rabbitmq.com", 1883, false, null);
MqttClient client = new MqttClient("localhost", 1883, false, null);
var state = client.Connect("Client993", "guest", "guest", false, 0, false, null, null, true, 60);
string strValue = Convert.ToString("On");
while (true)
{
// publish a message with command to turn LED on
client.Publish("ABC12345/led", Encoding.UTF8.GetBytes(strValue), MqttMsgBase.QOS_LEVEL_AT_LEAST_ONCE, true);
mcount++;
Console.WriteLine(String.Format("Message {0} published.", mcount.ToString()));
Console.WriteLine("Press enter to send Off command...");
Console.ReadLine();
// publish a message with command to turn LED on
client.Publish("ABC12345/led", Encoding.UTF8.GetBytes("Off"), MqttMsgBase.QOS_LEVEL_AT_LEAST_ONCE, true);
mcount++;
Console.WriteLine(String.Format("Message {0} published.", mcount.ToString()));
Console.WriteLine("Press enter to send On comamnd...");
Console.ReadLine();
}
}
static void Main(string[] args)
{
try
{
localClient = new uPLibrary.Networking.M2Mqtt.MqttClient("172.30.28.5");
string clientId = Guid.NewGuid().ToString();
localClient.Connect(clientId);
XmlDocument doc = new XmlDocument();
doc.Load("\\Users\\Rodric\\Desktop\\values.xml");
XmlNodeList elementList = doc.GetElementsByTagName("book");
XmlNode node = elementList[1];
for (int i = 0; i < elementList.Count; i++)
{
string loc = elementList[i]["location"].InnerText;
string temp = elementList[i]["temperature"].InnerText;
string time = elementList[i]["time"].InnerText;
string allData = loc + ";" + temp + ";" + time;
byte[] data = Encoding.UTF8.GetBytes(allData);
localClient.Publish("/home/temperature", Encoding.UTF8.GetBytes(allData), uPLibrary.Networking.M2Mqtt.Messages.MqttMsgBase.QOS_LEVEL_EXACTLY_ONCE, false);
}
}
catch (Exception ex)
{
Console.WriteLine("Connection Failed: " + ex.Message);
}
}
private void Form1_Load(object sender, EventArgs e)
{
// create client instance
MqttClient client = new MqttClient("test.mosquitto.org");
client.Connect("Test VS",null,null);
// string strValue = Convert.ToString(value);
// publish a message on "/home/temperature" topic with QoS 2
client.Publish("/home/temperature", Encoding.UTF8.GetBytes("test"));
}
protected override void OnStart(string[] args)
{
t = new Timer(10000); // Timer de 10 secondes.
t.Elapsed += new ElapsedEventHandler(t_Elapsed);
t.Start();
// create client instance
MqttClient client = new MqttClient("test.mosquitto.org");
client.Connect("SMO_IoT_WindowsService", null, null);
// publish a message on "/home/temperature" topic with QoS 2
IoT_Topics iot = new IoT_Topics();
Iot_Constants IOTCONST = new Iot_Constants();
string sTopic = iot.Get_Topics("", "");
client.Publish("ou", Encoding.UTF8.GetBytes(sTopic));
}
public RendererControl()
{
client = new MqttClient("127.0.0.1");
client.Connect(new Guid().ToString());
Get["/"] = (v) =>
{
return "See <a href=\"on\">on</a> and <a href=\"off\">off</a>";
};
Get["/on"] = _ =>
{
client.Publish("/lights/standing/state", new[] { (byte)1 });
return "Lights set to on";
};
Get["/off"] = _ =>
{
client.Publish("/lights/standing/state", new[] { (byte)0 });
return "Lights set to off";
};
}
public async void Run(IBackgroundTaskInstance taskInstance)
{
m_Deferral = taskInstance.GetDeferral();
taskInstance.Canceled += TaskInstanceCanceled;
// initialize I2C
var i2cSettings = new I2cConnectionSettings(TSL2561.Address)
{
BusSpeed = I2cBusSpeed.FastMode,
SharingMode = I2cSharingMode.Shared,
};
var selector = I2cDevice.GetDeviceSelector(m_DeviceSelector);
var deviceInformation = await DeviceInformation.FindAllAsync(selector);
m_Device = await I2cDevice.FromIdAsync(deviceInformation[0].Id, i2cSettings);
// initialize sensor
m_Sensor = new TSL2561(m_Device);
m_Sensor.SetTiming(m_Gain, m_Timing);
m_Sensor.PowerUp();
// initialize MQTT
try
{
m_Client = new MqttClient(m_Host);
m_Client.Connect(m_ClientId);
}
catch (MqttConnectionException ex)
{
// ignore connection exception and retry to connect later
Debug.WriteLine("Cannot connect to MQTT broker: " + ex.Message);
m_Client = null;
}
var appService = taskInstance.TriggerDetails as AppServiceTriggerDetails;
if (appService != null && appService.Name == m_ServiceName)
{
m_AppServiceConnection = appService.AppServiceConnection;
m_AppServiceConnection.RequestReceived += OnRequestReceived;
}
m_Client.Publish(m_ServiceTopic, Encoding.UTF8.GetBytes(DateTime.Now.ToUniversalTime().ToString("O")), m_QoS, true);
// start timer
m_Timer = new Timer(LuxProvider, null, m_TimerDueTime, m_TimerInterval);
}
private void Form1_Load(object sender, EventArgs e)
{
try
{
MqttClient client = new MqttClient("m20.cloudmqtt.com:18478");
byte code = client.Connect("MyClient_MQTT", "xzofiqbg", "igNpeCm_8j6f");
client.MqttMsgPublished += client_MqttMsgPublished;
ushort msgId = client.Publish("/my_topic", // topic
Encoding.UTF8.GetBytes("MyMessageBody"), // message body
MqttMsgBase.QOS_LEVEL_EXACTLY_ONCE, // QoS level
false); // retained
}
catch
{
textBox1.Text = "Erreur catch";
}
}
static void Main(string[] args)
{
// create client instance
MqttClient client = new MqttClient(IPAddress.Parse("192.168.178.30"), 1883,false, MqttSslProtocols.None,null,null);
string clientId = Guid.NewGuid().ToString();
client.Connect(clientId);
Random r = new Random((int)DateTime.Now.Ticks);
//string strValue = Convert.ToString(23.00);
double stuff = 0;
while (true)
{
// publish a message on "/home/temperature" topic with QoS 2
stuff = r.NextDouble() * 100;
client.Publish("sensors/temperature/dht22", Encoding.UTF8.GetBytes(Convert.ToString(stuff)), MqttMsgBase.QOS_LEVEL_EXACTLY_ONCE, true);
Console.WriteLine(stuff);
Thread.Sleep(1000);
}
}
static void Main(string[] args)
{
MqttClient clientPub = new MqttClient(IPAddress.Parse("127.0.0.1"));
string clientIdPub = Guid.NewGuid().ToString();
clientPub.Connect(clientIdPub);
string strValue = Convert.ToString("{‘data’ : {‘id’ : ‘121212122’},'timestamp' : '2015-07-16T11:35:02+00:00'}");
clientPub.Publish("v1/items/hanger/1003430/event/active",
Encoding.UTF8.GetBytes(strValue),
MqttMsgBase.QOS_LEVEL_EXACTLY_ONCE, false);
try
{
}
catch (Exception e)
{
Console.WriteLine("{0} Exception caught.", e);
}
//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.
}
private void Publish_Click(object sender, RoutedEventArgs e)
{
MqttClient Mq;
string broker = "192.168.42.1";
//string broker = "127.0.0.1";
Refresh_Click(this, null);
Mq = new MqttClient(broker);
Mq.Connect("pNavPlan3");
System.Diagnostics.Trace.WriteLine($"Connected to MQTT @ {broker}", "1");
var jsn = NavPointText;
Mq.Publish("Navplan/WayPoints", Encoding.ASCII.GetBytes(jsn));
System.Threading.Thread.Sleep(200);
Mq.Disconnect();
StatusText = "NavPoints published";
}
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.
}
private void SendMessage(JSONNode json)
{
byte[] message = Encoding.UTF8.GetBytes(json.ToString());
mqttClient.Publish(mqttTopic, message, MqttMsgBase.QOS_LEVEL_EXACTLY_ONCE, false);
}