public async Task <AsyncDownloaderOutput <byte[]> > GetData(string url, Action <DownloadProgressChangedEventArgs> report = null)
{
try
{
using (var webClient = new WebClient())
{
webClient.DownloadProgressChanged += (s, e) => report?.Invoke(e);
var data = await webClient.DownloadDataTaskAsync(new Uri(url));
var output = new AsyncDownloaderOutput <byte[]>(data);
return(output);
}
}
catch (Exception ex)
{
return(new AsyncDownloaderOutput <byte[]>(ex));
}
}
/// <summary>
/// stazeni pouze casti zdrojoveho souboru (musi podporovat server na druhe strane)
/// </summary>
public async Task <AsyncDownloaderOutput <Stream> > GetDataRange(string url, long?rangeFrom, long?rangeTo)
{
try
{
using (var client = new HttpClient())
{
client.DefaultRequestHeaders.Range = new RangeHeaderValue(rangeFrom, rangeTo);
var response = await client.GetAsync(url);
response.EnsureSuccessStatusCode();
var responseStream = await response.Content.ReadAsStreamAsync();
var output = new AsyncDownloaderOutput <Stream>(responseStream);
return(output);
}
}
catch (Exception ex)
{
return(new AsyncDownloaderOutput <Stream>(ex));
}
}