private StreamInterceptor CreateInterceptor(HttpResponseMessage response)
{
crc32cHashBase64 = null;
hasher = null;
IEnumerable <string> values;
if (response.Headers.TryGetValues(Crc32c.HashHeaderName, out values))
{
string prefix = Crc32c.HashName + "=";
foreach (var value in values.SelectMany(v => v.Split(',')))
{
if (value.StartsWith(prefix))
{
hasher = new Crc32c();
crc32cHashBase64 = value.Substring(prefix.Length);
return(hasher.UpdateHash);
}
}
}
return(null);
}
protected override void OnResponseReceived(HttpResponseMessage response)
{
base.OnResponseReceived(response);
crc32cHashBase64 = null;
hasher = null;
IEnumerable <string> values;
if (response.Headers.TryGetValues(Crc32c.HashHeaderName, out values))
{
string prefix = Crc32c.HashName + "=";
foreach (var value in values.SelectMany(v => v.Split(',')))
{
if (value.StartsWith(prefix))
{
hasher = new Crc32c();
crc32cHashBase64 = value.Substring(prefix.Length);
break;
}
}
}
}
internal UploadHelper(
StorageClient client,
Object destination,
Stream source,
UploadObjectOptions options,
IProgress <IUploadProgress> progress)
{
_client = client;
_mediaUpload = client.CreateObjectUploader(destination, source, options);
if (progress != null)
{
_mediaUpload.ProgressChanged += progress.Report;
}
var validationMode = options?.UploadValidationMode ?? UploadObjectOptions.DefaultValidationMode;
GaxPreconditions.CheckEnumValue(validationMode, nameof(UploadObjectOptions.UploadValidationMode));
switch (validationMode)
{
case UploadValidationMode.DeleteAndThrow:
_crc = new Crc32c();
_mediaUpload.UploadStreamInterceptor += _crc.UpdateHash;
_validationFailureAction = obj => client.DeleteObject(obj, new DeleteObjectOptions {
Generation = obj.Generation
});
_validationFailureAsyncAction = (obj, token) => client.DeleteObjectAsync(obj, new DeleteObjectOptions {
Generation = obj.Generation
}, token);
break;
case UploadValidationMode.ThrowOnly:
_crc = new Crc32c();
_mediaUpload.UploadStreamInterceptor += _crc.UpdateHash;
break;
}
}
