protected AsyncCallback PrepareAsyncCompletion(AsyncCompletion callback)
{
this.nextAsyncCompletion = callback;
if (AsyncResult.asyncCompletionWrapperCallback == null)
{
AsyncResult.asyncCompletionWrapperCallback = new AsyncCallback(AsyncCompletionWrapperCallback);
}
return(AsyncResult.asyncCompletionWrapperCallback);
}
private AsyncCompletion GetNextCompletion()
{
AsyncCompletion result = _nextAsyncCompletion;
#if NET451
_transactionContext = null;
#endif
_nextAsyncCompletion = null;
return(result);
}
AsyncCompletion GetNextCompletion()
{
AsyncCompletion result = this.nextAsyncCompletion;
#if NET451
this.transactionContext = null;
#endif
this.nextAsyncCompletion = null;
return(result);
}
AsyncCompletion GetNextCompletion()
{
AsyncCompletion result = this.nextAsyncCompletion;
#if !WINDOWS_UWP && !PCL
this.transactionContext = null;
#endif
this.nextAsyncCompletion = null;
return(result);
}
bool TryContinueHelper(IAsyncResult result, out AsyncCompletion callback)
{
if (result == null)
{
throw Fx.Exception.AsError(new InvalidOperationException(CommonResources.InvalidNullAsyncResult));
}
callback = null;
if (result.CompletedSynchronously)
{
#if !WINDOWS_UWP && !PCL
// Once we pass the check, we know that we own forward progress, so transactionContext is correct. Verify its state.
if (this.transactionContext != null)
{
if (this.transactionContext.State != TransactionSignalState.Completed)
{
ThrowInvalidAsyncResult("Check/SyncContinue cannot be called from within the PrepareTransactionalCall using block.");
}
else if (this.transactionContext.IsSignalled)
{
// This is most likely to happen when result.CompletedSynchronously registers differently here and in the callback, which
// is the fault of 'result'.
ThrowInvalidAsyncResult(result);
}
}
#endif
}
#if !WINDOWS_UWP && !PCL
else if (object.ReferenceEquals(result, this.deferredTransactionalResult))
{
// The transactionContext may not be current if forward progress has been made via the callback. Instead,
// use deferredTransactionalResult to see if we are supposed to execute a post-transaction callback.
//
// Once we pass the check, we know that we own forward progress, so transactionContext is correct. Verify its state.
if (this.transactionContext == null || !this.transactionContext.IsSignalled)
{
ThrowInvalidAsyncResult(result);
}
this.deferredTransactionalResult = null;
}
#endif
else
{
return(false);
}
callback = GetNextCompletion();
if (callback == null)
{
ThrowInvalidAsyncResult("Only call Check/SyncContinue once per async operation (once per PrepareAsyncCompletion).");
}
return(true);
}
protected AsyncCallback PrepareAsyncCompletion(AsyncCompletion callback)
{
this._beforePrepareAsyncCompletionAction?.Invoke();
this._nextAsyncCompletion = callback;
if (AsyncResult.s_asyncCompletionWrapperCallback == null)
{
AsyncResult.s_asyncCompletionWrapperCallback = Fx.ThunkCallback(new AsyncCallback(AsyncCompletionWrapperCallback));
}
return(AsyncResult.s_asyncCompletionWrapperCallback);
}
bool TryContinueHelper(IAsyncResult result, out AsyncCompletion callback)
{
if (result.CompletedSynchronously)
{
callback = GetNextCompletion();
return(true);
}
else
{
callback = null;
return(false);
}
}
protected AsyncCallback PrepareAsyncCompletion(AsyncCompletion callback)
{
if (this.beforePrepareAsyncCompletionAction != null)
{
this.beforePrepareAsyncCompletionAction();
}
this.nextAsyncCompletion = callback;
if (AsyncResult.asyncCompletionWrapperCallback == null)
{
AsyncResult.asyncCompletionWrapperCallback = Fx.ThunkCallback(new AsyncCallback(AsyncCompletionWrapperCallback));
}
return(AsyncResult.asyncCompletionWrapperCallback);
}
protected AsyncCallback PrepareAsyncCompletion(AsyncCompletion callback)
{
if (_beforePrepareAsyncCompletionAction != null)
{
_beforePrepareAsyncCompletionAction();
}
_nextAsyncCompletion = callback;
if (AsyncResult._asyncCompletionWrapperCallback == null)
{
AsyncResult._asyncCompletionWrapperCallback = new AsyncCallback(AsyncCompletionWrapperCallback);
}
return(AsyncResult._asyncCompletionWrapperCallback);
}
static void AsyncCompletionWrapperCallback(IAsyncResult result)
{
if (result == null)
{
throw Fx.Exception.AsError(new InvalidOperationException(SRCore.InvalidNullAsyncResult));
}
if (result.CompletedSynchronously)
{
return;
}
AsyncResult thisPtr = (AsyncResult)result.AsyncState;
if (thisPtr.transactionContext != null && !thisPtr.transactionContext.Signal(result))
{
// The TransactionScope isn't cleaned up yet and can't be done on this thread. Must defer
// the callback (which is likely to attempt to commit the transaction) until later.
return;
}
AsyncCompletion callback = thisPtr.GetNextCompletion();
if (callback == null)
{
ThrowInvalidAsyncResult(result);
}
bool completeSelf = false;
Exception completionException = null;
try
{
completeSelf = callback(result);
}
catch (Exception e)
{
if (Fx.IsFatal(e))
{
throw;
}
completeSelf = true;
completionException = e;
}
if (completeSelf)
{
thisPtr.Complete(false, completionException);
}
}
bool ProcessReceiveContext()
{
if (this.receiveContext != null)
{
if (handleEndProcessReceiveContext == null)
{
handleEndProcessReceiveContext = new AsyncCompletion(HandleEndProcessReceiveContext);
}
IAsyncResult nextResult = ReceiveContextAsyncResult.BeginProcessReceiveContext(this, this.receiveContext, PrepareAsyncCompletion(handleEndProcessReceiveContext), this);
return(SyncContinue(nextResult));
}
return(true);
}
public WriteMessageAsyncResult(Message message, Stream stream, WebMessageEncoder webMessageEncoder, AsyncCallback callback, object state)
: base(callback, state)
{
this.message = message;
this.stream = stream;
this.webMessageEncoder = webMessageEncoder;
WebContentFormat messageFormat = webMessageEncoder.ExtractFormatFromMessage(message);
JavascriptCallbackResponseMessageProperty javascriptResponseMessageProperty;
switch (messageFormat)
{
case WebContentFormat.Json:
this.encoder = webMessageEncoder.JsonMessageEncoder;
this.Schedule();
break;
case WebContentFormat.Xml:
if (message.Properties.TryGetValue <JavascriptCallbackResponseMessageProperty>(JavascriptCallbackResponseMessageProperty.Name, out javascriptResponseMessageProperty) &&
javascriptResponseMessageProperty != null &&
!String.IsNullOrEmpty(javascriptResponseMessageProperty.CallbackFunctionName))
{
throw TraceUtility.ThrowHelperError(new InvalidOperationException(SR2.JavascriptCallbackNotsupported), message);
}
this.encoder = webMessageEncoder.TextMessageEncoder;
this.Schedule();
break;
case WebContentFormat.Raw:
if (message.Properties.TryGetValue <JavascriptCallbackResponseMessageProperty>(JavascriptCallbackResponseMessageProperty.Name, out javascriptResponseMessageProperty) &&
javascriptResponseMessageProperty != null &&
!String.IsNullOrEmpty(javascriptResponseMessageProperty.CallbackFunctionName))
{
throw TraceUtility.ThrowHelperError(new InvalidOperationException(SR2.JavascriptCallbackNotsupported), message);
}
handleEndWriteMessage = new AsyncCompletion(HandleEndWriteMessage);
IAsyncResult result = webMessageEncoder.RawMessageEncoder.BeginWriteMessage(message, stream, PrepareAsyncCompletion(HandleEndWriteMessage), this);
if (SyncContinue(result))
{
this.Complete(true);
}
break;
default:
throw Fx.AssertAndThrow("This should never get hit because GetFormatForContentType shouldn't return a WebContentFormat other than Json, Xml, and Raw");
}
}
private static void AsyncCompletionWrapperCallback(IAsyncResult result)
{
if (result == null)
{
throw Fx.Exception.AsError(new InvalidOperationException(InternalSR.InvalidNullAsyncResult));
}
if (result.CompletedSynchronously)
{
return;
}
AsyncResult thisPtr = (AsyncResult)result.AsyncState;
if (!thisPtr.OnContinueAsyncCompletion(result))
{
return;
}
AsyncCompletion callback = thisPtr.GetNextCompletion();
if (callback == null)
{
ThrowInvalidAsyncResult(result);
}
bool completeSelf = false;
Exception completionException = null;
try
{
completeSelf = callback(result);
}
catch (Exception e)
{
if (Fx.IsFatal(e))
{
throw;
}
completeSelf = true;
completionException = e;
}
if (completeSelf)
{
thisPtr.Complete(false, completionException);
}
}
private static void AsyncCompletionWrapperCallback(IAsyncResult result)
{
if (result == null)
{
throw new ArgumentNullException("null");
}
if (result.CompletedSynchronously)
{
return;
}
AsyncResult thisPtr = (AsyncResult)result.AsyncState;
if (!thisPtr.OnContinueAsyncCompletion(result))
{
return;
}
AsyncCompletion callback = thisPtr.GetNextCompletion();
if (callback == null)
{
ThrowInvalidAsyncResult(result);
}
bool completeSelf = false;
Exception completionException = null;
try
{
completeSelf = callback(result);
}
catch (Exception e)
{
if (Utility.IsFatal(e))
{
throw;
}
completeSelf = true;
completionException = e;
}
if (completeSelf)
{
thisPtr.Complete(false, completionException);
}
}
protected AsyncCallback PrepareAsyncCompletion(AsyncCompletion callback)
{
if (this.transactionContext != null)
{
if (this.transactionContext.IsPotentiallyAbandoned)
{
this.transactionContext = null;
}
else
{
this.transactionContext.Prepared();
}
}
this.nextAsyncCompletion = callback;
if (asyncCompletionWrapperCallback == null)
{
asyncCompletionWrapperCallback = Fx.ThunkCallback(new AsyncCallback(AsyncResult.AsyncCompletionWrapperCallback));
}
return(asyncCompletionWrapperCallback);
}
bool TryContinueHelper(IAsyncResult result, out AsyncCompletion callback)
{
if (result == null)
{
throw new ArgumentNullException("result");
}
callback = null;
if (!result.CompletedSynchronously)
{
return(false);
}
callback = GetNextCompletion();
if (callback == null)
{
ThrowInvalidAsyncResult("Only call Check/SyncContinue once per async operation (once per PrepareAsyncCompletion).");
}
return(true);
}
bool TryContinueHelper(IAsyncResult result, out AsyncCompletion continueCallback)
{
if (result == null)
{
throw new ArgumentNullException("result");
}
continueCallback = null;
if (!result.CompletedSynchronously)
{
return(false);
}
continueCallback = GetNextCompletion();
if (continueCallback == null)
{
ThrowInvalidAsyncResult(string.Format(CultureInfo.CurrentCulture, Resources.Error_OnlyOnceChecOrSyncPerOperation));
}
return(true);
}
private bool TryContinueHelper(IAsyncResult result, out AsyncCompletion callback)
{
if (result == null)
{
throw Fx.Exception.AsError(new InvalidOperationException(SRCore.InvalidNullAsyncResult));
}
callback = null;
if (result.CompletedSynchronously)
{
if (this.transactionContext != null)
{
if (this.transactionContext.State != TransactionSignalState.Completed)
{
ThrowInvalidAsyncResult("Check/SyncContinue cannot be called from within the PrepareTransactionalCall using block.");
}
else if (this.transactionContext.IsSignalled)
{
ThrowInvalidAsyncResult(result);
}
}
}
else
{
if (!object.ReferenceEquals(result, this.deferredTransactionalResult))
{
return(false);
}
if ((this.transactionContext == null) || !this.transactionContext.IsSignalled)
{
ThrowInvalidAsyncResult(result);
}
this.deferredTransactionalResult = null;
}
callback = this.GetNextCompletion();
if (callback == null)
{
ThrowInvalidAsyncResult("Only call Check/SyncContinue once per async operation (once per PrepareAsyncCompletion).");
}
return(true);
}
private static void AsyncCompletionWrapperCallback(IAsyncResult result)
{
if (result == null)
{
throw Fx.Exception.AsError(new InvalidOperationException(CommonResources.InvalidNullAsyncResult));
}
if (result.CompletedSynchronously)
{
return;
}
var thisPtr = (AsyncResult)result.AsyncState;
AsyncCompletion callback = thisPtr.GetNextCompletion();
if (callback == null)
{
ThrowInvalidAsyncResult(result);
}
bool completeSelf = false;
Exception completionException = null;
try
{
completeSelf = callback(result);
}
catch (Exception e)
{
completeSelf = true;
completionException = e;
}
if (completeSelf)
{
thisPtr.Complete(false, completionException);
}
}
protected AsyncCallback PrepareAsyncCompletion(AsyncCompletion callback)
{
if (this.transactionContext != null)
{
// It might be an old, leftover one, if an exception was thrown within the last using (PrepareTransactionalCall()) block.
if (this.transactionContext.IsPotentiallyAbandoned)
{
this.transactionContext = null;
}
else
{
this.transactionContext.Prepared();
}
}
this.nextAsyncCompletion = callback;
if (AsyncResult.asyncCompletionWrapperCallback == null)
{
AsyncResult.asyncCompletionWrapperCallback = new AsyncCallback(AsyncCompletionWrapperCallback);
}
return(AsyncResult.asyncCompletionWrapperCallback);
}
static void AsyncCompletionWrapperCallback(IAsyncResult result)
{
if (result == null)
{
throw new ArgumentNullException("result");
}
if (result.CompletedSynchronously)
{
return;
}
AsyncResult thisPtr = (AsyncResult)result.AsyncState;
AsyncCompletion callback = thisPtr.GetNextCompletion();
if (callback == null)
{
ThrowInvalidAsyncResult(result);
}
bool completeSelf;
Exception completionException = null;
try
{
completeSelf = callback(result);
}
catch (Exception e)
{
completeSelf = true;
completionException = e;
}
if (completeSelf)
{
thisPtr.Complete(false, completionException);
}
}
private static void AsyncCompletionWrapperCallback(IAsyncResult result)
{
if (result == null)
{
throw Fx.Exception.AsError(new InvalidOperationException(SRCore.InvalidNullAsyncResult));
}
if (!result.CompletedSynchronously)
{
AsyncResult asyncState = (AsyncResult)result.AsyncState;
if ((asyncState.transactionContext == null) || asyncState.transactionContext.Signal(result))
{
AsyncCompletion nextCompletion = asyncState.GetNextCompletion();
if (nextCompletion == null)
{
ThrowInvalidAsyncResult(result);
}
bool flag = false;
Exception exception = null;
try
{
flag = nextCompletion(result);
}
catch (Exception exception2)
{
if (Fx.IsFatal(exception2))
{
throw;
}
flag = true;
exception = exception2;
}
if (flag)
{
asyncState.Complete(false, exception);
}
}
}
}
protected AsyncCallback PrepareAsyncCompletion(AsyncCompletion callback)
{
#if NET451
if (_transactionContext != null)
{
// It might be an old, leftover one, if an exception was thrown within the last using (PrepareTransactionalCall()) block.
if (_transactionContext.IsPotentiallyAbandoned)
{
_transactionContext = null;
}
else
{
_transactionContext.Prepared();
}
}
#endif
_nextAsyncCompletion = callback;
if (s_asyncCompletionWrapperCallback == null)
{
s_asyncCompletionWrapperCallback = new AsyncCallback(AsyncCompletionWrapperCallback);
}
return(s_asyncCompletionWrapperCallback);
}
bool ReleaseInstance()
{
if (handleEndUnload == null)
{
handleEndUnload = new AsyncCompletion(HandleEndUnload);
}
IAsyncResult result = null;
try
{
if (this.isTryUnload)
{
result = this.BeginTryUnload(timeoutHelper.RemainingTime(),
this.PrepareAsyncCompletion(handleEndUnload), this);
}
else
{
result = this.BeginUnload(timeoutHelper.RemainingTime(),
this.PrepareAsyncCompletion(handleEndUnload), this);
}
}
catch (FaultException exception)
{
if (OperationExecutionFault.IsAbortedFaultException(exception))
{
FxTrace.Exception.AsWarning(exception);
return true;
}
else
{
throw;
}
}
if (result.CompletedSynchronously)
{
return HandleEndUnload(result);
}
else
{
return false;
}
}
bool HandleEndAcquireReference()
{
this.referenceAcquired = true;
if (this.instance.TryReleaseLastReference())
{
if (handleEndAbandon == null)
{
handleEndAbandon = new AsyncCompletion(HandleEndAbandon);
}
IAsyncResult result = this.instance.BeginAbandon(new FaultException(OperationExecutionFault.CreateAbortedFault(SR.DefaultAbortReason)), false,
this.timeoutHelper.RemainingTime(), PrepareAsyncCompletion(handleEndAbandon), this);
return SyncContinue(result);
}
else
{
return true;
}
}
bool Track()
{
// For aborted, the AbortInstance will handle tracking.
if (this.instance.state != State.Aborted && this.instance.Controller.HasPendingTrackingRecords)
{
if (handleEndTrack == null)
{
handleEndTrack = new AsyncCompletion(HandleEndTrack);
}
IAsyncResult result = this.instance.Controller.BeginFlushTrackingRecords(this.instance.trackTimeout, PrepareAsyncCompletion(handleEndTrack), this);
if (result.CompletedSynchronously)
{
return HandleEndTrack(result);
}
else
{
return false;
}
}
else
{
return ReleaseLock();
}
}
bool AttachTransaction()
{
if (this.OperationTransaction != null && this.Instance.transactionContext == null)
{
this.Instance.transactionContext = new TransactionContext(this.Instance, this.OperationTransaction);
this.Instance.isInTransaction = true;
this.Instance.isRunnable = false;
}
if (this.IsSynchronousOperation)
{
PerformOperation();
return Track();
}
else
{
if (handleEndPerformOperation == null)
{
handleEndPerformOperation = new AsyncCompletion(HandleEndPerformOperation);
}
IAsyncResult result = BeginPerformOperation(PrepareAsyncCompletion(handleEndPerformOperation), this);
if (result.CompletedSynchronously)
{
return HandleEndPerformOperation(result);
}
else
{
return false;
}
}
}
AsyncCallback PrepareInnerAsyncCompletion(AsyncCompletion innerCallback)
{
this.nextInnerAsyncCompletion = innerCallback;
return PrepareAsyncCompletion(outermostCallback);
}
AsyncCompletion GetNextInnerAsyncCompletion()
{
AsyncCompletion next = this.nextInnerAsyncCompletion;
Fx.Assert(this.nextInnerAsyncCompletion != null, "Must have had one if we are calling GetNext");
this.nextInnerAsyncCompletion = null;
return next;
}
static bool OnReleasePersistenceContext(IAsyncResult result)
{
ReleaseInstanceAsyncResult thisPtr = (ReleaseInstanceAsyncResult)result.AsyncState;
thisPtr.workflowInstance.persistenceContext.EndRelease(result);
if (onClosePersistenceContext == null)
{
onClosePersistenceContext = new AsyncCompletion(OnClosePersistenceContext);
}
IAsyncResult closeResult = thisPtr.workflowInstance.persistenceContext.BeginClose(thisPtr.timeoutHelper.RemainingTime(),
thisPtr.PrepareAsyncCompletion(onClosePersistenceContext), thisPtr);
return thisPtr.SyncContinue(closeResult);
}
bool AbandonReceiveContext(Exception operationException)
{
Fx.Assert(ShouldAbandonReceiveContext(), "ShouldAbandonReceiveContext() is false!");
if (handleEndAbandonReceiveContext == null)
{
handleEndAbandonReceiveContext = new AsyncCompletion(HandleEndAbandonReceiveContext);
}
Fx.Assert(operationException != null, "operationException must not be null!");
Fx.Assert(this.operationException == null, "AbandonReceiveContext must not be called twice!");
this.operationException = operationException;
IAsyncResult result = this.receiveContext.BeginAbandon(TimeSpan.MaxValue, this.PrepareAsyncCompletion(handleEndAbandonReceiveContext), this);
return SyncContinue(result);
}
bool ReleasePersistenceContext()
{
if (this.workflowInstance.persistenceContext.State != CommunicationState.Opened)
{
return true;
}
if (onReleasePersistenceContext == null)
{
onReleasePersistenceContext = new AsyncCompletion(OnReleasePersistenceContext);
}
IAsyncResult result = this.workflowInstance.persistenceContext.BeginRelease(this.workflowInstance.persistTimeout,
PrepareAsyncCompletion(onReleasePersistenceContext), this);
return SyncContinue(result);
}
bool ProcessReceiveContext()
{
if (this.receiveContext != null)
{
if (handleEndProcessReceiveContext == null)
{
handleEndProcessReceiveContext = new AsyncCompletion(HandleEndProcessReceiveContext);
}
IAsyncResult nextResult = ReceiveContextAsyncResult.BeginProcessReceiveContext(this, this.receiveContext, PrepareAsyncCompletion(handleEndProcessReceiveContext), this);
return SyncContinue(nextResult);
}
return true;
}
public WriteMessageAsyncResult(Message message, Stream stream, WebMessageEncoder webMessageEncoder, AsyncCallback callback, object state)
: base(callback, state)
{
this.message = message;
this.stream = stream;
this.webMessageEncoder = webMessageEncoder;
WebContentFormat messageFormat = webMessageEncoder.ExtractFormatFromMessage(message);
JavascriptCallbackResponseMessageProperty javascriptResponseMessageProperty;
switch (messageFormat)
{
case WebContentFormat.Json:
this.encoder = webMessageEncoder.JsonMessageEncoder;
this.Schedule();
break;
case WebContentFormat.Xml:
if (message.Properties.TryGetValue<JavascriptCallbackResponseMessageProperty>(JavascriptCallbackResponseMessageProperty.Name, out javascriptResponseMessageProperty) &&
javascriptResponseMessageProperty != null &&
!String.IsNullOrEmpty(javascriptResponseMessageProperty.CallbackFunctionName))
{
throw TraceUtility.ThrowHelperError(new InvalidOperationException(SR2.JavascriptCallbackNotsupported), message);
}
this.encoder = webMessageEncoder.TextMessageEncoder;
this.Schedule();
break;
case WebContentFormat.Raw:
if (message.Properties.TryGetValue<JavascriptCallbackResponseMessageProperty>(JavascriptCallbackResponseMessageProperty.Name, out javascriptResponseMessageProperty) &&
javascriptResponseMessageProperty != null &&
!String.IsNullOrEmpty(javascriptResponseMessageProperty.CallbackFunctionName))
{
throw TraceUtility.ThrowHelperError(new InvalidOperationException(SR2.JavascriptCallbackNotsupported), message);
}
handleEndWriteMessage = new AsyncCompletion(HandleEndWriteMessage);
IAsyncResult result = webMessageEncoder.RawMessageEncoder.BeginWriteMessage(message, stream, PrepareAsyncCompletion(HandleEndWriteMessage), this);
if (SyncContinue(result))
{
this.Complete(true);
}
break;
default:
throw Fx.AssertAndThrow("This should never get hit because GetFormatForContentType shouldn't return a WebContentFormat other than Json, Xml, and Raw");
}
}
protected AsyncCallback PrepareAsyncCompletion(AsyncCompletion callback)
{
this._nextAsyncCompletion = callback;
return(AsyncResult._asyncCompletionWrapperCallback ??
(AsyncResult._asyncCompletionWrapperCallback = new AsyncCallback(AsyncCompletionWrapperCallback)));
}
private AsyncCompletion GetNextCompletion()
{
AsyncCompletion result = this.nextAsyncCompletion;
this.nextAsyncCompletion = null;
return result;
}
public SaveAsyncResult(Guid id, string workflowInstanceStatus, WorkflowDefinitionInfo definitionInfo, string connectionString, TimeSpan timeout, AsyncCallback callback, object state)
: base(callback, state)
{
this.definitionInfo = definitionInfo;
if (handleEndExecuteNonQuery == null)
{
handleEndExecuteNonQuery = new AsyncCompletion(HandleEndExecuteNonQuery);
}
this.connection = new SqlConnection(connectionString);
if (!StatusIsComplete(workflowInstanceStatus))
{
this.command = BuildAssociateDefinitionCommand(this.connection, id, this.definitionInfo.Path);
}
else
{
this.command = BuildDeleteDefinitionCommand(this.connection, id);
}
this.connection.Open();
IAsyncResult result = command.BeginExecuteNonQuery(PrepareAsyncCompletion(handleEndExecuteNonQuery), this);
if (result.CompletedSynchronously)
{
if (HandleEndExecuteNonQuery(result))
{
Complete(true);
}
}
}
