///<summary>Creates a response frame that represents "failure" and contains an exception. The returned frame is
/// complete and no additional data can be included in its payload.</summary>
/// <param name="exception">The exception to marshal into the frame.</param>
/// <param name="current">The current parameter holds decoded header data and other information about the
/// request currently dispatched.</param>
/// <returns>An <see cref="Ice.OutputStream"/> that holds the new frame.</returns>
public static Ice.OutputStream CreateFailureResponseFrame(System.Exception exception, Ice.Current current)
{
var ostr = new Ice.OutputStream(current.Adapter.Communicator, Ice.Util.CurrentProtocolEncoding);
ostr.WriteBlob(Protocol.replyHdr);
ostr.WriteInt(current.RequestId);
try
{
throw exception;
}
catch (Ice.RequestFailedException ex)
{
if (ex.Id.Name == null || ex.Id.Name.Length == 0)
{
ex.Id = current.Id;
}
if (ex.Facet == null || ex.Facet.Length == 0)
{
ex.Facet = current.Facet;
}
if (ex.Operation == null || ex.Operation.Length == 0)
{
ex.Operation = current.Operation;
}
if (ex is Ice.ObjectNotExistException)
{
ostr.WriteByte(ReplyStatus.replyObjectNotExist);
}
else if (ex is Ice.FacetNotExistException)
{
ostr.WriteByte(ReplyStatus.replyFacetNotExist);
}
else if (ex is Ice.OperationNotExistException)
{
ostr.WriteByte(ReplyStatus.replyOperationNotExist);
}
else
{
Debug.Assert(false);
}
ex.Id.IceWrite(ostr);
// For compatibility with the old FacetPath.
if (ex.Facet == null || ex.Facet.Length == 0)
{
ostr.WriteStringSeq(Array.Empty <string>());
}
else
{
string[] facetPath2 = { ex.Facet };
ostr.WriteStringSeq(facetPath2);
}
ostr.WriteString(ex.Operation);
}
catch (Ice.UnknownLocalException ex)
{
ostr.WriteByte(ReplyStatus.replyUnknownLocalException);
ostr.WriteString(ex.Unknown);
}
catch (Ice.UnknownUserException ex)
{
ostr.WriteByte(ReplyStatus.replyUnknownUserException);
ostr.WriteString(ex.Unknown);
}
catch (Ice.UnknownException ex)
{
ostr.WriteByte(ReplyStatus.replyUnknownException);
ostr.WriteString(ex.Unknown);
}
catch (Ice.UserException ex)
{
ostr.WriteByte(ReplyStatus.replyUserException);
// Exceptions are always marshaled in the sliced format:
ostr.StartEncapsulation(current.Encoding, FormatType.SlicedFormat);
ostr.WriteException(ex);
ostr.EndEncapsulation();
}
catch (Ice.Exception ex)
{
ostr.WriteByte(ReplyStatus.replyUnknownLocalException);
ostr.WriteString(ex.ice_id() + "\n" + ex.StackTrace);
}
catch (System.Exception ex)
{
ostr.WriteByte(ReplyStatus.replyUnknownException);
ostr.WriteString(ex.ToString());
}
return(ostr);
}