private static void EndGetRequestStream <T>(IAsyncResult getRequestStreamResult) { ExecutionState <T> executionState = (ExecutionState <T>)getRequestStreamResult.AsyncState; executionState.CurrentOperation = ExecutorOperation.EndGetRequestStream; try { executionState.UpdateCompletedSynchronously(getRequestStreamResult.CompletedSynchronously); executionState.ReqStream = executionState.Req.EndGetRequestStream(getRequestStreamResult); executionState.CurrentOperation = ExecutorOperation.BeginUploadRequest; Logger.LogInformational(executionState.OperationContext, SR.TraceUpload); MultiBufferMemoryStream multiBufferMemoryStream = executionState.RestCMD.SendStream as MultiBufferMemoryStream; if (multiBufferMemoryStream != null && !executionState.RestCMD.SendStreamLength.HasValue) { multiBufferMemoryStream.BeginFastCopyTo(executionState.ReqStream, executionState.OperationExpiryTime, EndFastCopyTo <T>, executionState); } else { // don't calculate md5 here as we should have already set this for auth purposes executionState.RestCMD.SendStream.WriteToAsync(executionState.ReqStream, executionState.RestCMD.SendStreamLength, null /* maxLength */, false, executionState, null /* streamCopyState */, EndSendStreamCopy); } } catch (Exception ex) { Logger.LogWarning(executionState.OperationContext, SR.TraceUploadError, ex.Message); executionState.ExceptionRef = ExecutorBase.TranslateExceptionBasedOnParseError(ex, executionState.Cmd.CurrentResult, executionState.Resp, executionState.Cmd.ParseError); Executor.EndOperation(executionState); } }
// Note for future maintainers: // In EndOperation<T> above, this method is called and sync-Wait()'d on, with runPostProcess set to false. // This means that, if 'runPostProcess' is ever false, this method must never hit an await point. // This restriction is irrelevant in future versions of the library that only have an async executor. private static async Task EndOperationAsync <T>(ExecutionState <T> executionState, bool runPostProcess) { Executor.FinishRequestAttempt(executionState); try { // If an operation has been canceled of timed out this should overwrite any exception Executor.CheckCancellation(executionState); Executor.CheckTimeout(executionState, true); // Success if (executionState.ExceptionRef == null) { if (runPostProcess) { // Step 9 - This will not be called if an exception is raised during stream copying await Executor.RunPostProcessAsync(executionState); } DisposeAndEnd <T>(executionState); executionState.OnComplete(); return; } } catch (Exception ex) { Logger.LogWarning(executionState.OperationContext, SR.TracePostProcessError, ex.Message); executionState.ExceptionRef = ExecutorBase.TranslateExceptionBasedOnParseError(ex, executionState.Cmd.CurrentResult, executionState.Resp, executionState.Cmd.ParseError); } finally { try { if (executionState.ReqStream != null) { executionState.ReqStream.Dispose(); executionState.ReqStream = null; } if (executionState.Resp != null) { executionState.Resp.Close(); executionState.Resp = null; } } catch (Exception) { // no op } } ConsiderRetry <T>(executionState); }
private static void EndFastCopyTo <T>(IAsyncResult fastCopyToResult) { ExecutionState <T> executionState = (ExecutionState <T>)fastCopyToResult.AsyncState; try { executionState.UpdateCompletedSynchronously(fastCopyToResult.CompletedSynchronously); MultiBufferMemoryStream multiBufferMemoryStream = (MultiBufferMemoryStream)executionState.RestCMD.SendStream; multiBufferMemoryStream.EndFastCopyTo(fastCopyToResult); Executor.EndSendStreamCopy(executionState); } catch (Exception ex) { Logger.LogWarning(executionState.OperationContext, SR.TraceUploadError, ex.Message); executionState.ExceptionRef = ExecutorBase.TranslateExceptionBasedOnParseError(ex, executionState.Cmd.CurrentResult, executionState.Resp, executionState.Cmd.ParseError); Executor.EndOperation(executionState); } }
private static void BeginGetResponse <T>(ExecutionState <T> executionState) { executionState.CurrentOperation = ExecutorOperation.BeginGetResponse; Logger.LogInformational(executionState.OperationContext, SR.TraceGetResponse); try { APMWithTimeout.RunWithTimeout( executionState.Req.BeginGetResponse, Executor.EndGetResponse <T>, Executor.AbortRequest <T>, executionState, executionState.RemainingTimeout); } catch (Exception ex) { Logger.LogWarning(executionState.OperationContext, SR.TraceGetResponseError, ex.Message); executionState.ExceptionRef = ExecutorBase.TranslateExceptionBasedOnParseError(ex, executionState.Cmd.CurrentResult, executionState.Resp, executionState.Cmd.ParseError); Executor.EndOperation(executionState); } }
public static T ExecuteSync <T>(RESTCommand <T> cmd, IRetryPolicy policy, OperationContext operationContext) { // Note all code below will reference state, not params directly, this will allow common code with async executor using (ExecutionState <T> executionState = new ExecutionState <T>(cmd, policy, operationContext)) { bool shouldRetry = false; TimeSpan delay = TimeSpan.Zero; do { try { executionState.Init(); // 0. Begin Request Executor.StartRequestAttempt(executionState); // Steps 1-4 Executor.ProcessStartOfRequest(executionState, SR.TraceStartRequestSync); Executor.CheckTimeout <T>(executionState, true); } catch (Exception ex) { Logger.LogError(executionState.OperationContext, SR.TraceInitRequestError, ex.Message); // Store exception and throw here. All operations in this try would be non-retryable by default. At this point, the request is not even made. // Therefore, we will not get extended error info. Hence ParseError doesn't matter here. StorageException storageEx = ExecutorBase.TranslateExceptionBasedOnParseError(ex, executionState.Cmd.CurrentResult, executionState.Resp, executionState.Cmd.ParseError); storageEx.IsRetryable = false; executionState.ExceptionRef = storageEx; throw executionState.ExceptionRef; } // Enter Retryable Section of execution try { // 5. potentially upload data if (cmd.SendStream != null) { executionState.CurrentOperation = ExecutorOperation.BeginGetRequestStream; Logger.LogInformational(executionState.OperationContext, SR.TracePrepareUpload); executionState.Req.Timeout = (int)executionState.RemainingTimeout.TotalMilliseconds; executionState.ReqStream = executionState.Req.GetRequestStream(); executionState.CurrentOperation = ExecutorOperation.BeginUploadRequest; Logger.LogInformational(executionState.OperationContext, SR.TraceUpload); MultiBufferMemoryStream multiBufferMemoryStream = cmd.SendStream as MultiBufferMemoryStream; try { if (multiBufferMemoryStream != null && !cmd.SendStreamLength.HasValue) { multiBufferMemoryStream.FastCopyTo(executionState.ReqStream, executionState.OperationExpiryTime); } else { // don't calculate md5 here as we should have already set this for auth purposes executionState.RestCMD.SendStream.WriteToSync(executionState.ReqStream, cmd.SendStreamLength, null /* maxLength */, false, true, executionState, null /* streamCopyState */); } executionState.ReqStream.Flush(); executionState.ReqStream.Dispose(); executionState.ReqStream = null; } catch (Exception) { executionState.Req.Abort(); throw; } } // 6. Get response try { executionState.CurrentOperation = ExecutorOperation.BeginGetResponse; Logger.LogInformational(executionState.OperationContext, SR.TraceGetResponse); executionState.Req.Timeout = (int)executionState.RemainingTimeout.TotalMilliseconds; executionState.Resp = (HttpWebResponse)executionState.Req.GetResponse(); executionState.CurrentOperation = ExecutorOperation.EndGetResponse; } catch (WebException ex) { Logger.LogWarning(executionState.OperationContext, SR.TraceGetResponseError, ex.Message); executionState.Resp = (HttpWebResponse)ex.Response; if (ex.Status == WebExceptionStatus.Timeout || executionState.ReqTimedOut) { throw new TimeoutException(); } if (executionState.Resp == null) { throw; } else { executionState.ExceptionRef = ExecutorBase.TranslateExceptionBasedOnParseError(ex, executionState.Cmd.CurrentResult, executionState.Resp, executionState.Cmd.ParseError); } } // Response Logger.LogInformational(executionState.OperationContext, SR.TraceResponse, executionState.Cmd.CurrentResult.HttpStatusCode, executionState.Cmd.CurrentResult.ServiceRequestID, executionState.Cmd.CurrentResult.ContentMd5, executionState.Cmd.CurrentResult.Etag); Executor.FireResponseReceived(executionState); // 7. Do Response parsing (headers etc, no stream available here) if (cmd.PreProcessResponse != null) { executionState.CurrentOperation = ExecutorOperation.PreProcess; executionState.Result = cmd.PreProcessResponse(cmd, executionState.Resp, executionState.ExceptionRef, executionState.OperationContext); // clear exception executionState.ExceptionRef = null; Logger.LogInformational(executionState.OperationContext, SR.TracePreProcessDone); } // 8. (Potentially reads stream from server) executionState.CurrentOperation = ExecutorOperation.GetResponseStream; cmd.ResponseStream = executionState.Resp.GetResponseStream(); if (!cmd.RetrieveResponseStream) { cmd.DestinationStream = Stream.Null; } if (cmd.DestinationStream != null) { if (cmd.StreamCopyState == null) { cmd.StreamCopyState = new StreamDescriptor(); } try { executionState.CurrentOperation = ExecutorOperation.BeginDownloadResponse; Logger.LogInformational(executionState.OperationContext, SR.TraceDownload); cmd.ResponseStream.WriteToSync(cmd.DestinationStream, null /* copyLength */, null /* maxLength */, cmd.CalculateMd5ForResponseStream, false, executionState, cmd.StreamCopyState); } finally { cmd.ResponseStream.Dispose(); cmd.ResponseStream = null; } } // Step 9 - This will not be called if an exception is raised during stream copying Executor.ProcessEndOfRequest(executionState); Executor.FinishRequestAttempt(executionState); return(executionState.Result); } catch (Exception e) { Logger.LogWarning(executionState.OperationContext, SR.TraceGenericError, e.Message); Executor.FinishRequestAttempt(executionState); StorageException translatedException = ExecutorBase.TranslateExceptionBasedOnParseError(e, executionState.Cmd.CurrentResult, executionState.Resp, executionState.Cmd.ParseError); executionState.ExceptionRef = translatedException; Logger.LogInformational(executionState.OperationContext, SR.TraceRetryCheck, executionState.RetryCount, executionState.Cmd.CurrentResult.HttpStatusCode, translatedException.IsRetryable ? "yes" : "no", translatedException.Message); shouldRetry = false; if (translatedException.IsRetryable && (executionState.RetryPolicy != null)) { executionState.CurrentLocation = Executor.GetNextLocation(executionState.CurrentLocation, cmd.LocationMode); Logger.LogInformational(executionState.OperationContext, SR.TraceNextLocation, executionState.CurrentLocation); IExtendedRetryPolicy extendedRetryPolicy = executionState.RetryPolicy as IExtendedRetryPolicy; if (extendedRetryPolicy != null) { RetryContext retryContext = new RetryContext( executionState.RetryCount++, cmd.CurrentResult, executionState.CurrentLocation, cmd.LocationMode); RetryInfo retryInfo = extendedRetryPolicy.Evaluate(retryContext, executionState.OperationContext); if (retryInfo != null) { Logger.LogInformational(executionState.OperationContext, SR.TraceRetryInfo, retryInfo.TargetLocation, retryInfo.UpdatedLocationMode); shouldRetry = true; executionState.CurrentLocation = retryInfo.TargetLocation; cmd.LocationMode = retryInfo.UpdatedLocationMode; delay = retryInfo.RetryInterval; } } else { shouldRetry = executionState.RetryPolicy.ShouldRetry( executionState.RetryCount++, cmd.CurrentResult.HttpStatusCode, executionState.ExceptionRef, out delay, executionState.OperationContext); } if ((delay < TimeSpan.Zero) || (delay > Constants.MaximumRetryBackoff)) { delay = Constants.MaximumRetryBackoff; } } } finally { if (executionState.Resp != null) { executionState.Resp.Close(); executionState.Resp = null; } } if (!shouldRetry || (executionState.OperationExpiryTime.HasValue && (DateTime.Now + delay).CompareTo(executionState.OperationExpiryTime.Value) > 0)) { Logger.LogError(executionState.OperationContext, shouldRetry ? SR.TraceRetryDecisionTimeout : SR.TraceRetryDecisionPolicy, executionState.ExceptionRef.Message); throw executionState.ExceptionRef; } else { if (executionState.Cmd.RecoveryAction != null) { // I.E. Rewind stream etc. executionState.Cmd.RecoveryAction(executionState.Cmd, executionState.ExceptionRef, executionState.OperationContext); } if (delay > TimeSpan.Zero) { Logger.LogInformational(executionState.OperationContext, SR.TraceRetryDelay, (int)delay.TotalMilliseconds); Thread.Sleep(delay); } Logger.LogInformational(executionState.OperationContext, SR.TraceRetry); } Executor.FireRetrying(executionState); }while (shouldRetry); } // should never get here, either return, or throw; throw new NotImplementedException(SR.InternalStorageError); }
private static void EndOperation <T>(ExecutionState <T> executionState) { Executor.FinishRequestAttempt(executionState); try { // If an operation has been canceled of timed out this should overwrite any exception Executor.CheckCancellation(executionState); Executor.CheckTimeout(executionState, true); // Success if (executionState.ExceptionRef == null) { // Step 9 - This will not be called if an exception is raised during stream copying Executor.ProcessEndOfRequest(executionState); executionState.OnComplete(); return; } } catch (Exception ex) { Logger.LogWarning(executionState.OperationContext, SR.TracePostProcessError, ex.Message); executionState.ExceptionRef = ExecutorBase.TranslateExceptionBasedOnParseError(ex, executionState.Cmd.CurrentResult, executionState.Resp, executionState.Cmd.ParseError); } finally { try { if (executionState.ReqStream != null) { executionState.ReqStream.Dispose(); executionState.ReqStream = null; } if (executionState.Resp != null) { executionState.Resp.Close(); executionState.Resp = null; } } catch (Exception) { // no op } } // Handle Retry try { StorageException translatedException = TranslateExceptionBasedOnParseError(executionState.ExceptionRef, executionState.Cmd.CurrentResult, executionState.Resp, executionState.Cmd.ParseError); executionState.ExceptionRef = translatedException; Logger.LogInformational(executionState.OperationContext, SR.TraceRetryCheck, executionState.RetryCount, executionState.Cmd.CurrentResult.HttpStatusCode, translatedException.IsRetryable ? "yes" : "no", translatedException.Message); bool shouldRetry = false; TimeSpan delay = TimeSpan.Zero; if (translatedException.IsRetryable && (executionState.RetryPolicy != null)) { executionState.CurrentLocation = Executor.GetNextLocation(executionState.CurrentLocation, executionState.RestCMD.LocationMode); Logger.LogInformational(executionState.OperationContext, SR.TraceNextLocation, executionState.CurrentLocation); IExtendedRetryPolicy extendedRetryPolicy = executionState.RetryPolicy as IExtendedRetryPolicy; if (extendedRetryPolicy != null) { RetryContext retryContext = new RetryContext( executionState.RetryCount++, executionState.Cmd.CurrentResult, executionState.CurrentLocation, executionState.RestCMD.LocationMode); RetryInfo retryInfo = extendedRetryPolicy.Evaluate(retryContext, executionState.OperationContext); if (retryInfo != null) { Logger.LogInformational(executionState.OperationContext, SR.TraceRetryInfo, retryInfo.TargetLocation, retryInfo.UpdatedLocationMode); shouldRetry = true; executionState.CurrentLocation = retryInfo.TargetLocation; executionState.RestCMD.LocationMode = retryInfo.UpdatedLocationMode; delay = retryInfo.RetryInterval; } } else { shouldRetry = executionState.RetryPolicy.ShouldRetry( executionState.RetryCount++, executionState.Cmd.CurrentResult.HttpStatusCode, executionState.ExceptionRef, out delay, executionState.OperationContext); } if ((delay < TimeSpan.Zero) || (delay > Constants.MaximumRetryBackoff)) { delay = Constants.MaximumRetryBackoff; } } if (!shouldRetry || (executionState.OperationExpiryTime.HasValue && (DateTime.Now + delay).CompareTo(executionState.OperationExpiryTime.Value) > 0)) { Logger.LogError(executionState.OperationContext, shouldRetry ? SR.TraceRetryDecisionTimeout : SR.TraceRetryDecisionPolicy, executionState.ExceptionRef.Message); // No Retry executionState.OnComplete(); } else { if (executionState.Cmd.RecoveryAction != null) { // I.E. Rewind stream etc. executionState.Cmd.RecoveryAction(executionState.Cmd, executionState.ExceptionRef, executionState.OperationContext); } if (delay > TimeSpan.Zero) { Logger.LogInformational(executionState.OperationContext, SR.TraceRetryDelay, (int)delay.TotalMilliseconds); executionState.UpdateCompletedSynchronously(false); if (executionState.BackoffTimer == null) { executionState.BackoffTimer = new Timer( Executor.RetryRequest <T>, executionState, (int)delay.TotalMilliseconds, Timeout.Infinite); } else { executionState.BackoffTimer.Change((int)delay.TotalMilliseconds, Timeout.Infinite); } executionState.CancelDelegate = () => { // Disabling the timer here, but there is still a scenario where the user calls cancel after // the timer starts the next retry but before it sets the CancelDelegate back to null. However, even // if that happens, next retry will start and then stop immediately because of the cancelled flag. Timer backoffTimer = executionState.BackoffTimer; if (backoffTimer != null) { executionState.BackoffTimer = null; backoffTimer.Dispose(); } Logger.LogWarning(executionState.OperationContext, SR.TraceAbortRetry); Executor.CheckCancellation(executionState); executionState.OnComplete(); }; } else { // Start next request immediately Executor.RetryRequest <T>(executionState); } } } catch (Exception ex) { // Catch all ( i.e. users retry policy throws etc.) Logger.LogWarning(executionState.OperationContext, SR.TraceRetryError, ex.Message); executionState.ExceptionRef = ExecutorBase.TranslateExceptionBasedOnParseError(ex, executionState.Cmd.CurrentResult, executionState.Resp, executionState.Cmd.ParseError); executionState.OnComplete(); } }
private static void EndGetResponse <T>(IAsyncResult getResponseResult) { ExecutionState <T> executionState = (ExecutionState <T>)getResponseResult.AsyncState; executionState.CurrentOperation = ExecutorOperation.EndGetResponse; try { executionState.UpdateCompletedSynchronously(getResponseResult.CompletedSynchronously); try { executionState.Resp = executionState.Req.EndGetResponse(getResponseResult) as HttpWebResponse; } catch (WebException ex) { Logger.LogWarning(executionState.OperationContext, SR.TraceGetResponseError, ex.Message); executionState.Resp = (HttpWebResponse)ex.Response; if (ex.Status == WebExceptionStatus.Timeout || executionState.ReqTimedOut) { throw new TimeoutException(); } if (executionState.Resp == null) { throw; } else { // Store this exception for now. It will be parsed/thrown after the stream is read in step 8 executionState.ExceptionRef = ex; } } Logger.LogInformational(executionState.OperationContext, SR.TraceResponse, executionState.Cmd.CurrentResult.HttpStatusCode, executionState.Cmd.CurrentResult.ServiceRequestID, executionState.Cmd.CurrentResult.ContentMd5, executionState.Cmd.CurrentResult.Etag); Executor.FireResponseReceived(executionState); // 7. Do Response parsing (headers etc, no stream available here) if (executionState.RestCMD.PreProcessResponse != null) { executionState.CurrentOperation = ExecutorOperation.PreProcess; try { executionState.Result = executionState.RestCMD.PreProcessResponse(executionState.RestCMD, executionState.Resp, executionState.ExceptionRef, executionState.OperationContext); // clear exception executionState.ExceptionRef = null; Logger.LogInformational(executionState.OperationContext, SR.TracePreProcessDone); } catch (Exception ex) { executionState.ExceptionRef = ex; } } Executor.CheckCancellation(executionState); executionState.CurrentOperation = ExecutorOperation.GetResponseStream; executionState.RestCMD.ResponseStream = executionState.Resp.GetResponseStream(); // 8. (Potentially reads stream from server) if (executionState.ExceptionRef != null) { executionState.CurrentOperation = ExecutorOperation.BeginDownloadResponse; Logger.LogInformational(executionState.OperationContext, SR.TraceDownloadError); executionState.RestCMD.ErrorStream = new MemoryStream(); executionState.RestCMD.ResponseStream.WriteToAsync(executionState.RestCMD.ErrorStream, null /* copyLength */, null /* maxLength */, false /* calculateMd5 */, executionState, new StreamDescriptor(), EndResponseStreamCopy); } else { if (!executionState.RestCMD.RetrieveResponseStream) { executionState.RestCMD.DestinationStream = Stream.Null; } if (executionState.RestCMD.DestinationStream != null) { if (executionState.RestCMD.StreamCopyState == null) { executionState.RestCMD.StreamCopyState = new StreamDescriptor(); } executionState.CurrentOperation = ExecutorOperation.BeginDownloadResponse; Logger.LogInformational(executionState.OperationContext, SR.TraceDownload); executionState.RestCMD.ResponseStream.WriteToAsync(executionState.RestCMD.DestinationStream, null /* copyLength */, null /* maxLength */, executionState.RestCMD.CalculateMd5ForResponseStream, executionState, executionState.RestCMD.StreamCopyState, EndResponseStreamCopy); } else { // Dont want to copy stream, just want to consume it so end Executor.EndOperation(executionState); } } } catch (Exception ex) { Logger.LogWarning(executionState.OperationContext, SR.TracePreProcessError, ex.Message); executionState.ExceptionRef = ExecutorBase.TranslateExceptionBasedOnParseError(ex, executionState.Cmd.CurrentResult, executionState.Resp, executionState.Cmd.ParseError); Executor.EndOperation(executionState); } }
private static void EndOperation <T, INTERMEDIATE_TYPE>(ExecutionState <T> executionState) { TableExecutor.FinishRequestAttempt(executionState); lock (executionState.CancellationLockerObject) { executionState.CancelDelegate = null; TableExecutor.CheckCancellation(executionState); // Handle Success if (executionState.ExceptionRef == null) { Logger.LogInformational(executionState.OperationContext, SR.TraceSuccess); executionState.OnComplete(); return; } } // Handle Retry try { StorageException translatedException = ExecutorBase.TranslateDataServiceExceptionBasedOnParseError(executionState.ExceptionRef, executionState.Cmd.CurrentResult, executionState.Cmd.ParseDataServiceError); executionState.ExceptionRef = translatedException; Logger.LogInformational(executionState.OperationContext, SR.TraceRetryCheck, executionState.RetryCount, executionState.Cmd.CurrentResult.HttpStatusCode, translatedException.IsRetryable ? "yes" : "no", translatedException.Message); bool shouldRetry = false; TimeSpan delay = TimeSpan.Zero; if (translatedException.IsRetryable && (executionState.RetryPolicy != null)) { shouldRetry = executionState.RetryPolicy.ShouldRetry( executionState.RetryCount++, executionState.Cmd.CurrentResult.HttpStatusCode, executionState.ExceptionRef, out delay, executionState.OperationContext); if ((delay < TimeSpan.Zero) || (delay > Constants.MaximumRetryBackoff)) { delay = Constants.MaximumRetryBackoff; } } if (!shouldRetry || (executionState.OperationExpiryTime.HasValue && (DateTime.Now + delay).CompareTo(executionState.OperationExpiryTime.Value) > 0)) { Logger.LogError(executionState.OperationContext, shouldRetry ? SR.TraceRetryDecisionTimeout : SR.TraceRetryDecisionPolicy, executionState.ExceptionRef.Message); // No Retry executionState.OnComplete(); } else { if (executionState.Cmd.RecoveryAction != null) { // I.E. Rewind stream etc. executionState.Cmd.RecoveryAction(executionState.Cmd, executionState.ExceptionRef, executionState.OperationContext); } if (delay > TimeSpan.Zero) { Logger.LogInformational(executionState.OperationContext, SR.TraceRetryDelay, (int)delay.TotalMilliseconds); executionState.UpdateCompletedSynchronously(false); if (executionState.BackoffTimer == null) { executionState.BackoffTimer = new Timer( TableExecutor.RetryRequest <T, INTERMEDIATE_TYPE>, executionState, (int)delay.TotalMilliseconds, Timeout.Infinite); } else { executionState.BackoffTimer.Change((int)delay.TotalMilliseconds, Timeout.Infinite); } executionState.CancelDelegate = () => { // Disabling the timer here, but there is still a scenario where the user calls cancel after // the timer starts the next retry but before it sets the CancelDelegate back to null. However, even // if that happens, next retry will start and then stop immediately because of the cancelled flag. Timer backoffTimer = executionState.BackoffTimer; if (backoffTimer != null) { executionState.BackoffTimer = null; backoffTimer.Dispose(); } Logger.LogWarning(executionState.OperationContext, SR.TraceAbortRetry); TableExecutor.CheckCancellation(executionState); executionState.OnComplete(); }; } else { // Start Next Request Immediately Logger.LogInformational(executionState.OperationContext, SR.TraceRetry); InitRequest <T, INTERMEDIATE_TYPE>(executionState); } } } catch (Exception ex) { // Catch all ( i.e. users retry policy throws etc.) Logger.LogWarning(executionState.OperationContext, SR.TraceRetryError, ex.Message); executionState.ExceptionRef = ExecutorBase.TranslateExceptionBasedOnParseError(ex, executionState.Cmd.CurrentResult, executionState.Resp, executionState.Cmd.ParseError); executionState.OnComplete(); } }