public void StartProvidingTelemetry()
{
SockJS = new SockJS(EndpointConfiguration.Value.Url);
SockJS.AddEventListener("open", (sender, e) =>
{
SockJS.Send(EndpointConfiguration.Value.ConnectionString);
});
SockJS.AddEventListener("message", (sender, obj) =>
{
if (obj[0] is TransportMessageEvent msg)
{
var dataString = msg.Data.ToString();
if (dataString.Contains("No subscription found"))
{
return;
}
var conn = dataString.StartsWith("CONNECTED");
canSend |= conn;
if (conn)
{
SubscriptionModels.ToList().ForEach(ProcessChanges);
}
var kk = TransportLocationData.FromJson(dataString);
if (kk is null)
{
return;
}
OnTelemetryArrived?.Invoke(this, kk);
}
});
SockJS.AddEventListener("close", (sender, e) =>
{
Task.Run(StartProvidingTelemetry);
});
}
public TransportDataProviderService(IOptions <EndpointConfiguration> EndpointConfiguration)
{
this.EndpointConfiguration = EndpointConfiguration;
OnSubscriptionListChanged = (b) => { SubscriptionModels.Add(b); ProcessChanges(b); };
}