public void DownloadChunks()
{
logger.LogTechState("Downloading chunk data...");
const int maxFails = 5;
Parallel.ForEach(chunks, chunkXY =>
{
int fails;
bool success = false;
do
{
fails = 0;
try
{
logger.LogDebug($"DownloadChunks(): downloading chunk {chunkXY}");
byte[] data = HttpWrapper.GetChunkData(chunkXY);
BinaryConversion.DropPixelProtectionInfo(data);
CachedChunks[chunkXY] = BinaryConversion.ToColorRectangle(data, PixelMap.ChunkSideSize, PixelMap.ChunkSideSize);
logger.LogDebug($"DownloadChunks(): downloaded chunk {chunkXY}");
success = true;
}
catch (Exception ex)
{
logger.LogDebug($"DownloadChunks(): error - {ex.Message}");
if (++fails == maxFails)
{
fails = 0;
logger.LogDebug($"DownloadChunks(): {maxFails} fails in row, pause 30s");
Thread.Sleep(TimeSpan.FromSeconds(30));
break;
}
}
} while (!success);
});
logger.LogTechInfo("Chunk data is downloaded");
OnMapUpdated?.Invoke(this, null);
}