private const string _password = "******"; // Password of the user
static void Main()
{
Console.WriteLine("Welcome to the get current operating state of a workplace example!" + Environment.NewLine);
string workplaceNumber = "R_WPL_04"; // YOUR WORKPLACE NUMBER
Console.WriteLine("Determine token ..." + Environment.NewLine);
TokenHandler tokenHandler = new TokenHandler(_user, _password, _urlForTokenGeneration);
Token token = tokenHandler.GetAccessToken();
Console.WriteLine("Token: " + token.Access_token + Environment.NewLine);
Console.WriteLine("Determine workplace " + workplaceNumber + "..." + Environment.NewLine);
FORCEBridgeConnector connector = new FORCEBridgeConnector(_urlToBridgeAPI, token);
var workplace = connector.GetWorkplaceByNumber(workplaceNumber);
Console.WriteLine(String.Format("Workplace: {0} ({1})", workplace.Number, workplace.Description));
Console.WriteLine(String.Format("State: {2}: {1} (Id: {0})", workplace.OperatingState.Id, workplace.OperatingState.Description, workplace.OperatingState.Code));
}
private const string _operating_state_code_for_alarming = "999"; // The operating state for alarming
static async Task Main()
{
Console.WriteLine("Welcome to the alerting example (based on mqtt callbacks)!");
Console.WriteLine("");
TokenHandler tokenHandler = new TokenHandler(_user, _password, _urlForTokenGeneration);
Token token = tokenHandler.GetAccessToken();
FORCEBridgeConnector connector = new FORCEBridgeConnector(_urlToBridgeAPI, token);
Console.WriteLine("Connect to the Bridge API and get workplace ID of defined workplace " + _workplaceNumber);
Console.WriteLine("");
string workplaceId = connector.GetWorkplaceByNumber(_workplaceNumber).Id;
// Register Callback on Bridge API
string MQTTTCPUrl = "mqtt://test.mosquitto.org"; //Define your MQTT-Broker and topic!!!!
string PORT = "1883";
string MQTTTopicName = "external/statechange";
string EventType = "WORKPLACE_OPERATING_STATE_CHANGED";
Console.WriteLine("Register callback " + EventType + " of workplace " + workplaceId + " for MQTT-Broker " + MQTTTCPUrl + ", topic " + MQTTTopicName);
Console.WriteLine("");
string callbackRegistrationJSON = BuildCallbackRegistrationJSON(MQTTTCPUrl + ":" + PORT + "/" + MQTTTopicName, workplaceId, EventType);
connector.RegisterCallback(callbackRegistrationJSON);
Console.WriteLine("Registration completed.");
Console.WriteLine("");
// Inizialize a MQTT-Client and subscribe to the above defined topic
Console.WriteLine("Initialize a MQTT Client and subscripe to the given topic " + MQTTTopicName + "...");
Console.WriteLine("");
var options = new MqttClientOptionsBuilder()
.WithTcpServer(MQTTTCPUrl.Replace("mqtt://", String.Empty), 1883)
.Build();
var factory = new MqttFactory();
var mqttClient = factory.CreateMqttClient();
await mqttClient.ConnectAsync(options, CancellationToken.None);
// Subscribe to the defined topic
await mqttClient.SubscribeAsync(new TopicFilterBuilder().WithTopic(MQTTTopicName).Build());
Console.WriteLine("Wait for machine state changes ...");
Console.WriteLine("");
List <string> callbackIDs = new List <string>();
mqttClient.UseApplicationMessageReceivedHandler(e =>
{
Console.WriteLine("---------------------------------------");
try
{
// WILL BE EXECUTED IF A MACHINE STATE OCCURES
var payload = Encoding.UTF8.GetString(e.ApplicationMessage.Payload);
var callbackResponse = Newtonsoft.Json.JsonConvert.DeserializeObject <WorkplaceOperatingStateChangedCallbackResponse>(payload);
if (!callbackIDs.Contains(callbackResponse.Properties.CallbackId))
{
callbackIDs.Add(callbackResponse.Properties.CallbackId);
}
Console.WriteLine("--- RECEIVED " + EventType + " MESSAGE ---");
Console.WriteLine("---------------------------------------");
Console.WriteLine("Current operating state: " + callbackResponse.Properties.Data.CurrentOperatingState.Description + " (" + callbackResponse.Properties.Data.CurrentOperatingState.Code + ")");
Console.WriteLine("Previous operating state: " + callbackResponse.Properties.Data.PreviousOperatingState.Description + " (" + callbackResponse.Properties.Data.PreviousOperatingState.Code + ")");
if (callbackResponse.Properties.Data.CurrentOperatingState.Code == _operating_state_code_for_alarming)
{
Console.WriteLine("---------------------------------------");
Console.WriteLine(" !!! WARNING WARNING WARNING WARNING !!!");
Console.WriteLine(" --- MACHINE SWITCHED TO STATE CODE " + _operating_state_code_for_alarming + " ---");
}
}
catch (Exception ex)
{
Console.WriteLine(" !!! ERROR OCCURED !!! " + ex.ToString());
}
Console.WriteLine("---------------------------------------");
Console.WriteLine("");
});
Console.ReadLine();
// DELETE THE CALLBACK
Console.WriteLine("Delete the previous registered callback ...");
foreach (var id in callbackIDs)
{
Console.WriteLine("Delete the callback with id" + id);
connector.DeleteCallback(id);
}
}
