public override async Task <DownloadResourceResult> GetDownloadResourceResultAsync(
PackageIdentity identity,
ISettings settings,
ILogger logger,
CancellationToken token)
{
if (identity == null)
{
throw new ArgumentNullException(nameof(identity));
}
if (settings == null)
{
throw new ArgumentNullException(nameof(settings));
}
if (logger == null)
{
throw new ArgumentNullException(nameof(logger));
}
token.ThrowIfCancellationRequested();
var sourcePackage = identity as SourcePackageDependencyInfo;
bool isFromUri = sourcePackage?.PackageHash != null &&
sourcePackage?.DownloadUri != null;
try
{
if (isFromUri)
{
// If this is a SourcePackageDependencyInfo object with everything populated
// and it is from an online source, use the machine cache and download it using the
// given url.
return(await _feedParser.DownloadFromUrl(sourcePackage, sourcePackage.DownloadUri, settings, logger, token));
}
else
{
// Look up the package from the id and version and download it.
return(await _feedParser.DownloadFromIdentity(identity, settings, logger, token));
}
}
catch (OperationCanceledException)
{
return(new DownloadResourceResult(DownloadResourceResultStatus.Cancelled));
}
catch (Exception ex) when(!(ex is FatalProtocolException))
{
// if the expcetion is not FatalProtocolException, catch it.
string message = string.Format(CultureInfo.CurrentCulture, Strings.Log_ErrorDownloading, identity, _feedParser.Source.Source);
logger.LogError(message + Environment.NewLine + ExceptionUtilities.DisplayMessage(ex));
throw new FatalProtocolException(message, ex);
}
}
public override async Task <DownloadResourceResult> GetDownloadResourceResultAsync(
PackageIdentity identity,
PackageDownloadContext downloadContext,
string globalPackagesFolder,
ILogger logger,
CancellationToken token)
{
if (identity == null)
{
throw new ArgumentNullException(nameof(identity));
}
if (downloadContext == null)
{
throw new ArgumentNullException(nameof(downloadContext));
}
if (logger == null)
{
throw new ArgumentNullException(nameof(logger));
}
var stopwatch = Stopwatch.StartNew();
try
{
token.ThrowIfCancellationRequested();
var sourcePackage = identity as SourcePackageDependencyInfo;
bool isFromUri = sourcePackage?.PackageHash != null &&
sourcePackage?.DownloadUri != null;
try
{
if (isFromUri)
{
// If this is a SourcePackageDependencyInfo object with everything populated
// and it is from an online source, use the machine cache and download it using the
// given url.
return(await _feedParser.DownloadFromUrl(
sourcePackage,
sourcePackage.DownloadUri,
downloadContext,
globalPackagesFolder,
logger,
token));
}
else
{
using (var sourceCacheContext = new SourceCacheContext())
{
// Look up the package from the id and version and download it.
return(await _feedParser.DownloadFromIdentity(
identity,
downloadContext,
globalPackagesFolder,
sourceCacheContext,
logger,
token));
}
}
}
catch (OperationCanceledException)
{
return(new DownloadResourceResult(DownloadResourceResultStatus.Cancelled));
}
catch (Exception ex) when(!(ex is FatalProtocolException))
{
string message = string.Format(CultureInfo.CurrentCulture, Strings.Log_ErrorDownloading, identity, _feedParser.Source);
throw new FatalProtocolException(message, ex);
}
}
finally
{
ProtocolDiagnostics.RaiseEvent(new ProtocolDiagnosticResourceEvent(
_source,
resourceType: nameof(DownloadResource),
type: nameof(DownloadResourceV2Feed),
method: nameof(GetDownloadResourceResultAsync),
stopwatch.Elapsed));
}
}