protected virtual async Task <bool> DownloadBinaryFile(string fileLocation, string url)
{
try
{
return(await fileDownloader.DownloadFileWithResumeAsync(url, fileLocation).TimeoutAfter(shellService.Settings.TimeOut));
}
catch (IOException ex) when((ex.HResult & 0xFFFF) == 0x27 || (ex.HResult & 0xFFFF) == 0x70)
{
// Disk Full, HRESULT: -2147024784 == 0xFFFFFFFF80070070
Logger.Error("Downloader:DownloadBinaryFile: {0}", ex);
shellService.ShowError(ex, Resources.DiskFull);
crawlerService.StopCommand.Execute(null);
return(false);
}
catch (IOException ex) when((ex.HResult & 0xFFFF) == 0x20)
{
// The process cannot access the file because it is being used by another process.", HRESULT: -2147024864 == 0xFFFFFFFF80070020
return(true);
}
catch (WebException webException) when((webException.Response != null))
{
var webRespStatusCode = (int)((HttpWebResponse)webException?.Response).StatusCode;
if (webRespStatusCode >= 400 && webRespStatusCode < 600) // removes inaccessible files: http status codes 400 to 599
{
try { File.Delete(fileLocation); } // could be open again in a different thread
catch { }
}
return(false);
}
catch
{
return(false);
}
}
protected virtual async Task <bool> DownloadBinaryFile(string fileLocation, string url, CancellationToken ct)
{
try
{
var fileDownloader = new FileDownloader();
return(await fileDownloader.DownloadFileWithResumeAsync(url, fileLocation,
shellService.Settings, ct));
}
catch (IOException ex) when((ex.HResult & 0xFFFF) == 0x27 || (ex.HResult & 0xFFFF) == 0x70)
{
Logger.Error("ManagerController:Download: {0}", ex);
shellService.ShowError(ex, Resources.DiskFull);
crawlerService.StopCommand.Execute(null);
return(false);
}
catch (WebException webException) when((webException.Response != null))
{
var webRespStatusCode = (int)((HttpWebResponse)webException?.Response).StatusCode;
if (webRespStatusCode >= 400 && webRespStatusCode < 600) // removes inaccessible files: status code 400 -- 599
{
File.Delete(fileLocation);
}
return(false);
}
catch
{
return(false);
}
}
protected virtual async Task <bool> DownloadBinaryFile(string fileLocation, string url, CancellationToken ct)
{
try
{
var fileDownloader = new FileDownloader();
return(await fileDownloader.DownloadFileWithResumeAsync(url, fileLocation,
shellService.Settings, ct));
}
catch (IOException ex) when((ex.HResult & 0xFFFF) == 0x27 || (ex.HResult & 0xFFFF) == 0x70)
{
Logger.Error("ManagerController:Download: {0}", ex);
shellService.ShowError(ex, Resources.DiskFull);
crawlerService.StopCommand.Execute(null);
return(false);
}
catch
{
return(false);
}
}