public override void Run()
{
// This is a sample worker implementation. Replace with your logic.
Trace.WriteLine("FractalWorkerRole entry point called", "Information");
CloudStorageAccount account = CloudStorageAccount.FromConfigurationSetting("DataConnectionString");
CloudBlobClient blobClient = account.CreateCloudBlobClient();
CloudBlobContainer blobContainer = blobClient.GetContainerReference("fractalsectors");
blobContainer.CreateIfNotExist();
QueueUtilities qutil = new QueueUtilities(account);
CloudQueue queue = qutil.CreateQueueIfNotExists("fractaltoprocess");
CloudQueue outqueue = qutil.CreateQueueIfNotExists("fractalsectors");
Calculator calculator = new Calculator();
while (true)
{
CloudQueueMessage msg = queue.GetMessage();
if (msg != null)
{
Trace.WriteLine(string.Format("Processing {0}", msg.AsString));
SectorInfo info = SectorUtilities.FromMessageToSectorInfo(msg);
if (info.Width > 100 || info.Height > 100)
{
Trace.WriteLine("Splitting message...");
for (int x = 0; x < info.Width; x += 100)
{
for (int y = 0; y < info.Height; y += 100)
{
SectorInfo newinfo = info.Clone();
newinfo.FromX = x + info.FromX;
newinfo.FromY = y + info.FromY;
newinfo.Width = Math.Min(100, info.Width - x);
newinfo.Height = Math.Min(100, info.Height - y);
CloudQueueMessage newmsg = SectorUtilities.FromSectorInfoToMessage(newinfo);
queue.AddMessage(newmsg);
}
}
}
else
{
Trace.WriteLine("Processing message...");
Sector sector = calculator.CalculateSector(info);
string blobname = string.Format("{0}.{1}.{2}.{3}.{4}", info.Id, sector.FromX, sector.FromY, sector.Width, sector.Height);
CloudBlob blob = blobContainer.GetBlobReference(blobname);
MemoryStream stream = new MemoryStream();
BinaryWriter writer = new BinaryWriter(stream);
foreach (int value in sector.Values)
{
writer.Write(value);
}
writer.Flush();
stream.Seek(0, SeekOrigin.Begin);
blob.UploadFromStream(stream);
stream.Close();
CloudQueueMessage outmsg = new CloudQueueMessage(blobname);
outqueue.AddMessage(outmsg);
}
queue.DeleteMessage(msg);
}
else
{
Thread.Sleep(10000);
Trace.WriteLine("Working", "Information");
}
}
}