public async Task StartListening()
{
var mqttSuccess = await MessagingClient.StartListeningAsync();
//Start our check timer
MqttCheckTimer = new Timer(async(o) => {
if (MqttCheckTimer == null)
{
return; //If the timer is null, we've stopped listening
}
if (!ReceivedMqttCheckForInterval)
{
//We've missed a packet -- perform stop start here
Console.WriteLine("MQTT disconnect detected, performing reconnect.");
await StopListening();
await StartListening();
}
else
{
ReceivedMqttCheckForInterval = false;
try {
await SendNotification(IntegrationId, "mqttcheck", 0);
} catch (Exception e) {
}
}
}, null, 0, MqttCheckTimerIntervalInMs);
if (!mqttSuccess)
{
Console.WriteLine("MQTT connection failed. Attempting reconnect, but please check that the MQTT URL is valid and the server is reachable by the extension.");
await StopListening();
await StartListening();
}
}
/// <summary>
/// Configure extension
/// </summary>
/// <returns>true if extension authenticates to server; false if there is an error</returns>
private static Boolean ConfigureExtension()
{
var config = _config;
string username = config["Username"];
string password = config["Password"];
string userId = config["UserId"];
string domain = config["Domain"];
var connectionInfo = new ConnectionInfo(username, password, domain, ApiUrl, MqttUrl);
var authenticationManager = new ApiAuthenticationManager(connectionInfo);
_apiClient = new ApiClient(authenticationManager);
_messagingClient = new MessagingClient(authenticationManager);
var success = _messagingClient.StartListeningAsync().Result;
if (!success)
{
logger.Error("Failed to connect to mqtt");
return(false);
}
return(true);
}