Пример #1
0
        private static string SendData(this ConnectorBase connector, MethodCallInfo callInfo)
        {
            //TryAgain:
            bool isIgnorePriority = false;

            try
            {
                TaskCompletionSource <MethodCallbackInfo> valueData = new TaskCompletionSource <MethodCallbackInfo>();
                CancellationTokenSource ct = new CancellationTokenSource();
                ct.Token.Register(() => valueData.TrySetCanceled(), useSynchronizationContext: false);

                bool   added   = WaitedMethodsForResponse.TryAdd(callInfo.Guid, valueData);
                object service = connector.Services.ContainsKey(callInfo.ServiceName) ? connector.Services[callInfo.ServiceName] : null;
                //#if (PORTABLE)
                MethodInfo method = service?.GetType().FindMethod(callInfo.MethodName);
                //#else
                //                var method = service?.GetType().FindMethod(callInfo.MethodName, RuntimeTypeHelper.GetMethodTypes(service.GetType(), callInfo).ToArray());
                //#endif
                //
                isIgnorePriority = method?.GetCustomAttributes <PriorityCallAttribute>().Count() > 0;

                connector.SendData(callInfo);


                MethodCallbackInfo result = valueData.Task.Result;

                if (result == null)
                {
                    if (connector.IsDisposed)
                    {
                        throw new ObjectDisposedException("Provider");
                    }
                    if (!connector.IsConnected)
                    {
                        throw new Exception("client disconnected");
                    }
                    return(null);
                }
                if (result.IsException)
                {
                    throw new Exception("server exception:" + ClientSerializationHelper.DeserializeObject <string>(result.Data));
                }
                else if (result.IsAccessDenied && result.Data == null)
                {
                    throw new Exception("server permission denied exception.");
                }

                return(result.Data);
            }
            catch (Exception ex)
            {
                if (connector.IsConnected && !connector.SendPingAndWaitToReceive())
                {
                    connector.Disconnect();
                }
                throw ex;
            }
            finally
            {
                WaitedMethodsForResponse.Remove(callInfo.Guid);
            }
        }