public virtual async Task <int> CreateDownloadTask(
string url,
IProgress <DownloadBytesProgress> progressReporter
)
{
var receivedBytes = 0;
var client = new WebClient();
OnStartWait();
using (var storage = OpenStorage(url))
using (var stream = await client.OpenReadTaskAsync(url))
{
_throttle.WaitOne();
OnStopWait();
var buffer = new byte[BUFFER_SIZE];
var totalBytes = Int32.Parse(client.ResponseHeaders [HttpResponseHeader.ContentLength]);
while (true)
{
var bytesRead = await stream.ReadAsync(buffer, 0, buffer.Length);
if (bytesRead == 0)
{
_throttle.Release();
break;
}
Decrypt(buffer, bytesRead);
storage.Write(buffer, 0, bytesRead);
receivedBytes += bytesRead;
if (progressReporter != null)
{
var args = new DownloadBytesProgress(url, receivedBytes, totalBytes);
progressReporter.Report(args);
}
}
}
return(receivedBytes);
}
public virtual async Task<int> CreateDownloadTask(
string url,
IProgress<DownloadBytesProgress> progressReporter
)
{
var receivedBytes = 0;
var client = new WebClient ();
OnStartWait ();
using (var storage = OpenStorage (url))
using (var stream = await client.OpenReadTaskAsync (url))
{
_throttle.WaitOne ();
OnStopWait ();
var buffer = new byte[BUFFER_SIZE];
var totalBytes = Int32.Parse (client.ResponseHeaders [HttpResponseHeader.ContentLength]);
while (true)
{
var bytesRead = await stream.ReadAsync (buffer, 0, buffer.Length);
if (bytesRead == 0)
{
_throttle.Release ();
break;
}
Decrypt (buffer, bytesRead);
storage.Write (buffer, 0, bytesRead);
receivedBytes += bytesRead;
if (progressReporter != null)
{
var args = new DownloadBytesProgress (url, receivedBytes, totalBytes);
progressReporter.Report (args);
}
}
}
return receivedBytes;
}
