public static void Run(string layers)
{
Console.WriteLine("Benchmarking " + layers);
UrlGenerator urlGenerator = new UrlGenerator(layers);
string result = "Layers: " + layers + "\r\n";
string result2 = "";
for (int z = zMin; z <= zMax; z++)
{
List <TileRequest> requests = new List <TileRequest>();
for (int i = 0; i < total; i++)
{
TileRequest request = new TileRequest(urlGenerator.Get(z));
request.Send();
requests.Add(request);
}
requests.Sort();
// calc statistics
long sum = 0;
for (int i = 0; i < effective; i++)
{
sum += requests[i].milliSeconds;
}
result += "zoom " + z + ": avg/" + (sum / effective) + " high/" + requests[0].milliSeconds + " low/" + requests[effective - 1].milliSeconds + "\r\n";
result2 += requests[0].url + "\r\n";
}
File.AppendAllText(reportPath, result + result2 + "\r\n");
}
public void Start(int maxZoom)
{
Console.WriteLine("Estimated file count: " + (int)((xmax - xmin) * (ymax - ymin) * 1.333 / (1 << (2 * (zoom - maxZoom)))));
int count = 0;
for (int z = 0; z <= maxZoom; z++)
{
int shift = zoom - z;
int x1 = Math.Max((xmin >> shift) - 4, 0);
int x2 = Math.Min((xmax >> shift) + 4, (1 << z) - 1);
int y1 = Math.Max((ymin >> shift) - 4, 0);
int y2 = Math.Min((ymax >> shift) + 4, (1 << z) - 1);
for (int x = x1; x <= x2; x++)
{
for (int y = y1; y <= y2; y++)
{
if (count % 1000 == 0)
{
Console.Write(count + " ");
}
count++;
string url = urlTemplate.Replace("{z}", z.ToString()).Replace("{x}", x.ToString()).Replace("{y}", y.ToString());
TileRequest request = new TileRequest(url);
request.Send();
if (!request.success)
{
Console.WriteLine("Failed to access " + url);
}
else
{
Directory.CreateDirectory(XYZToFolder(x, y, z));
FileStream fileStream = new FileStream(XYZToPath(x, y, z), FileMode.Create);
request.imageStream.WriteTo(fileStream);
fileStream.Close();
}
}
}
}
Console.WriteLine("\r\n" + count + " files are generated");
}
static void PrefillCache(string prefillUrl, string styleSet, string[] layers)
{
int sum = 0;
for (int z = 0; z <= prefillMaxZoom; z++)
{
sum += (1 << z) * (1 << z);
}
Console.WriteLine("Start prefilling cache...");
Console.WriteLine("Tile total count: " + sum);
foreach (string layer in layers)
{
Console.WriteLine("Start requesting " + layer);
Stopwatch watch = new Stopwatch();
watch.Start();
long slowest = 0;
int count = 0;
for (int z = 0; z <= prefillMaxZoom; z++)
{
int xmax = 1 << z;
for (int x = 0; x < xmax; x++)
{
for (int y = 0; y < xmax; y++)
{
TileRequest ut = new TileRequest(prefillUrl + styleSet + "&x=" + x + "&y=" + y + "&z=" + z + "&layers=" + layer);
ut.Send();
slowest = Math.Max(slowest, ut.milliSeconds);
count++;
if (count % 100 == 0)
{
Console.Write(count + " ");
}
}
}
}
watch.Stop();
Console.WriteLine("\r\nFinish in " + watch.Elapsed + ", avg/" + (watch.ElapsedMilliseconds / count) + ", high/" + slowest + "\r\n");
}
}