Example #1
0
        private async ValueTask InvokeAllAsync(Ice.OutputStream os, int requestId)
        {
            // The object adapter DirectCount was incremented by the caller and we are responsible to decrement it
            // upon completion.

            Ice.Instrumentation.IDispatchObserver?dispatchObserver = null;
            try
            {
                if (_traceLevels.Protocol >= 1)
                {
                    FillInValue(os, new Ice.OutputStream.Position(0, 10), os.Size);
                    if (requestId > 0)
                    {
                        FillInValue(os, new Ice.OutputStream.Position(0, Ice1Definitions.HeaderSize), requestId);
                    }
                    TraceUtil.TraceSend(os, _logger, _traceLevels);
                }

                // TODO Avoid copy OutputStream buffer
                var requestFrame = new Ice.InputStream(os.Communicator, os.Encoding, os.ToArray());
                requestFrame.Pos = Ice1Definitions.RequestHeader.Length;

                int start   = requestFrame.Pos;
                var current = new Ice.Current(requestId, requestFrame, _adapter);

                // Then notify and set dispatch observer, if any.
                Ice.Instrumentation.ICommunicatorObserver?communicatorObserver = _adapter.Communicator.Observer;
                if (communicatorObserver != null)
                {
                    int encapsSize = requestFrame.GetEncapsulationSize();

                    dispatchObserver = communicatorObserver.GetDispatchObserver(current,
                                                                                requestFrame.Pos - start + encapsSize);
                    dispatchObserver?.Attach();
                }

                bool amd = true;
                try
                {
                    Ice.IObject?servant = current.Adapter.Find(current.Id, current.Facet);

                    if (servant == null)
                    {
                        amd = false;
                        throw new Ice.ObjectNotExistException(current.Id, current.Facet, current.Operation);
                    }

                    ValueTask <Ice.OutputStream> vt = servant.DispatchAsync(requestFrame, current);
                    amd = !vt.IsCompleted;
                    if (requestId != 0)
                    {
                        Ice.OutputStream responseFrame = await vt.ConfigureAwait(false);

                        dispatchObserver?.Reply(responseFrame.Size - Ice1Definitions.HeaderSize - 4);
                        SendResponse(requestId, responseFrame, amd);
                    }
                }
                catch (System.Exception ex)
                {
                    if (requestId != 0)
                    {
                        Ice.RemoteException actualEx;
                        if (ex is Ice.RemoteException remoteEx && !remoteEx.ConvertToUnhandled)
                        {
                            actualEx = remoteEx;
                        }
                        else
                        {
                            actualEx = new UnhandledException(current.Id, current.Facet, current.Operation, ex);
                        }

                        Incoming.ReportException(actualEx, dispatchObserver, current);
                        var responseFrame = new Ice.OutgoingResponseFrame(current, actualEx);
                        dispatchObserver?.Reply(responseFrame.Size - Ice1Definitions.HeaderSize - 4);
                        SendResponse(requestId, responseFrame, amd);
                    }
                }
            }