private async Task RunAsync(CancellationToken cancellationToken)
{
// TODO: Replace the following with your own logic.
while (!cancellationToken.IsCancellationRequested)
{
receivedMessage = cloudQueue.GetMessage();
if (receivedMessage != null)
{
try
{
string s = "";
s = blobHelper.DownloadFromBlob("blob");
s = s + "..........\n" + receivedMessage.AsString;
blobHelper.UploadToBlob("blob", s);
Trace.WriteLine(blobHelper.DownloadFromBlob("blob"));
cloudQueue.DeleteMessage(receivedMessage);
}
catch { }
}
Trace.TraceInformation("Working");
await Task.Delay(2000);
}
}
private void OpenInternalService()
{
try
{
if (blobHelper.DownloadFromBlob("servicehoststatus").ToUpper().Equals("OTVORENO"))
{
cloudQueue.DeleteMessage(receivedMessage);
Trace.WriteLine("ServiceHost was alredy opened,message deleted");
return;
}
else
{
jobServer.OpenInternalService();
blobHelper.UploadToBlob("servicehoststatus", "OTVORENO");
cloudQueue.DeleteMessage(receivedMessage);
Trace.WriteLine("ServiceHost is opened,message deleted");
}
}
catch (Exception e)
{
Trace.TraceError($"ERROR: {e.Message}");
blobHelper.UploadToBlob("servicehoststatus", "ERROR");
}
}
public override bool OnStart()
{
// Set the maximum number of concurrent connections
ServicePointManager.DefaultConnectionLimit = 12;
// For information on handling configuration changes
// see the MSDN topic at https://go.microsoft.com/fwlink/?LinkId=166357.
bool result = base.OnStart();
//Izvuci ID iz worker role
id = int.Parse(RoleEnvironment.CurrentRoleInstance.Id.Split('_')[2]);
blobHelper = new BlobHelper();
cloudQueue = QueueHelper.GetQueueReference("queue");
jobServer = new JobServer();
if (id == 0)
{
jobServer.AddInternalService();
try
{
if (blobHelper.DownloadFromBlob("servicehoststatus").ToUpper() == "OTVORENO")
{
jobServer.OpenInternalService();
}
else
{
//POCETNO STANJE JE CLOSE
}
}
catch (Exception e)
{
Trace.TraceError($"ERROR: {e.Message}");
}
}
else if (id == 1)
{
//DRUGA INSTANCA WORKER ROLE OTVARA SERVICE HOST ZA WEB I PRIMA PORUKU
//KONTAKTIRA PRVU INSTANCU DA PROVERI DA LI JE ZIVA
jobServer.AddExternalService();
jobServer.OpenExternalService();
}
else
{
Trace.WriteLine("Instance is not in use.");
}
Trace.TraceInformation("WorkerRole has been started");
return(result);
}
public ActionResult Index()
{
string uniqueBlobName = string.Format("poruka_{0}_{1}", DateTime.Now.ToShortDateString(), ++id);
BlobHelper blobHelper = new BlobHelper();
string text = blobHelper.DownloadFromBlob(uniqueBlobName);
if (text == null)
{
id--;
return(RedirectToAction("Autobus"));
}
else if (text.Equals("Blue"))
{
return(RedirectToAction("Autobus"));
}
else
{
return(RedirectToAction("Vozac"));
}
}
public string Download(string uniqName)
{
return(blobHelper.DownloadFromBlob(uniqName));
}