public void Download()
{
int retries = 0;
while (retries++ < 3)
{
try
{
ArchivePartInfo info = api.DownloadArchivePart(jobId, start, end);
Stream stream = info.Stream();
List <byte> dynamicData = new List <byte>();
int data;
long bytesRead = 0;
while ((data = stream.ReadByte()) != -1)
{
bytesRead = metric.incrementTransferredBytes(1);
dynamicData.Add((byte)data);
}
bucket.Initialize(dynamicData.Count);
dynamicData.CopyTo(bucket.Data());
using (Stream hashStream = new MemoryStream(bucket.Data(), 0, dynamicData.Count))
{
string checksum = Amazon.Glacier.TreeHashGenerator.CalculateTreeHash(hashStream);
if (checksum != info.Checksum())
{
metric.removeTransferredBytes(bytesRead);
throw new Exception("Checksum mismatch");
}
bucket.Checksum(checksum);
bucket.IsReady(true);
metric.incrementTransferredParts();
}
return;
}
catch (Exception e)
{
Console.WriteLine("Downloader Exception: " + e.Message);
}
}
Console.WriteLine("Download failed");
}
private void OnTransferProgress(Object sender, EventArgs e)
{
try
{
string tmp = e.ToString();
System.Text.RegularExpressions.Match match = System.Text.RegularExpressions.Regex.Match(tmp, "Bytes transferred: ([0-9]+)");
int numBytes = int.Parse(match.Groups[1].Value);
// Add the delta to the total then save the new byte count
metric.incrementTransferredBytes(numBytes - lastBytesCount);
lastBytesCount = numBytes;
}
catch (Exception ex)
{
Console.WriteLine("Exception: " + ex.Message);
}
}