public async Task <Stream> DownloadPackageOrNullAsync(
string id,
NuGetVersion version,
CancellationToken cancellationToken)
{
try
{
using (var downloadStream = await _client.DownloadPackageAsync(id, version, cancellationToken))
{
return(await downloadStream.AsTemporaryFileStreamAsync(cancellationToken));
}
}
catch (PackageNotFoundException)
{
return(null);
}
catch (Exception e)
{
_logger.LogError(
e,
"Failed to download {PackageId} {PackageVersion} from upstream",
id,
version);
return(null);
}
}
private async Task IndexFromSourceAsync(string id, NuGetVersion version, CancellationToken cancellationToken)
{
cancellationToken.ThrowIfCancellationRequested();
_logger.LogInformation(
"Attempting to mirror package {PackageId} {PackageVersion}...",
id,
version);
Stream packageStream = null;
try
{
using (var stream = await _upstreamClient.DownloadPackageAsync(id, version, cancellationToken))
{
packageStream = await stream.AsTemporaryFileStreamAsync();
}
_logger.LogInformation(
"Downloaded package {PackageId} {PackageVersion}, indexing...",
id,
version);
var result = await _indexer.IndexAsync(packageStream, cancellationToken);
_logger.LogInformation(
"Finished indexing package {PackageId} {PackageVersion} with result {Result}",
id,
version,
result);
}
catch (PackageNotFoundException)
{
_logger.LogWarning(
"Failed to download package {PackageId} {PackageVersion}",
id,
version);
return;
}
catch (Exception e)
{
_logger.LogError(
e,
"Failed to mirror package {PackageId} {PackageVersion}",
id,
version);
}
finally
{
packageStream?.Dispose();
}
}
public async Task <Stream> DownloadPackageAsync(string id, NuGetVersion version,
CancellationToken cancellationToken)
{
return(await _client.DownloadPackageAsync(id, version, cancellationToken));
}
