/// <summary>
/// Creates a user facing error message from a failed B2 request.
/// </summary>
/// <param name="res">A <see cref="HttpWebResponse"/> with a non-2xx status code.</param>
/// <returns>A string describing the error.</returns>
private static string StringifyB2Error(HttpWebResponse res)
{
B2Error err = ParseB2Error(res);
if (err == null)
{
return($"Status {res.StatusCode}, unknown error.");
}
string colonSpace = string.IsNullOrWhiteSpace(err.message) ? "" : ": ";
return($"Got status {err.status} ({err.code}){colonSpace}{err.message}");
}
/// <summary>
/// Tries to parse a <see cref="B2Error"/> from the given response.
/// </summary>
/// <param name="res">The response that contains an error.</param>
/// <returns>
/// The parse result, or null if the response is successful or cannot be parsed.
/// </returns>
/// <exception cref="IOException">If the response body cannot be read.</exception>
private static B2Error ParseB2Error(HttpWebResponse res)
{
if (UploadHelpers.IsSuccessfulResponse(res))
{
return(null);
}
try
{
string body = UploadHelpers.ResponseToString(res);
DebugHelper.WriteLine($"B2 uploader: ParseB2Error() got: {body}");
B2Error err = JsonConvert.DeserializeObject <B2Error>(body);
return(err);
}
catch (JsonException)
{
return(null);
}
}
public B2UploadResult(int rc, B2Error error, B2Upload upload)
{
RC = rc;
Error = error;
Upload = upload;
}
public void Deconstruct(out int rc, out B2Error error, out B2Upload upload)
{
rc = RC;
error = Error;
upload = Upload;
}
