static void OnWriteComplete(TransportAsyncCallbackArgs args)
{
WriteAsyncResult thisPtr = (WriteAsyncResult)args.UserToken;
thisPtr.completedSynchronously = args.CompletedSynchronously;
thisPtr.Complete();
}
static void OnWriteComplete(IAsyncResult result)
{
if (result.CompletedSynchronously)
{
return;
}
WriteAsyncResult thisPtr = result.AsyncState as WriteAsyncResult;
Exception completionException = null;
try
{
thisPtr.HandleWriteComplete(result);
}
catch (Exception ex)
{
completionException = ex;
}
thisPtr.Complete(false, completionException);
}
private unsafe void OnAsyncWriteComplete(bool haveResult, int error, int numBytes)
{
WriteAsyncResult writeAsyncResult = this.writeAsyncResult;
this.writeAsyncResult = null;
if (writeAsyncResult == null)
{
throw Fx.AssertAndThrow("Write completed with no WriteAsyncResult available.");
}
Exception e = null;
this.WriteTimer.Cancel();
lock (this.writeLock)
{
try
{
try
{
if (this.closeState == CloseState.HandleClosed)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(this.CreatePipeClosedException(TransferOperation.Write));
}
if (!haveResult)
{
if (UnsafeNativeMethods.GetOverlappedResult(this.pipe.DangerousGetHandle(), this.writeOverlapped.NativeOverlapped, out numBytes, 0) == 0)
{
error = Marshal.GetLastWin32Error();
}
else
{
error = 0;
}
}
if (error != 0)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(Exceptions.CreateWriteException(error));
}
if (numBytes != writeAsyncResult.WriteSize)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new PipeException(System.ServiceModel.SR.GetString("PipeWriteIncomplete")));
}
}
catch (PipeException exception2)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelper(this.ConvertPipeException(exception2, TransferOperation.Write), this.ExceptionEventType);
}
}
catch (Exception exception3)
{
if (Fx.IsFatal(exception3))
{
throw;
}
e = exception3;
}
finally
{
this.isWriteOutstanding = false;
this.WriteIOCompleted();
this.ExitWritingState();
}
}
writeAsyncResult.Complete(false, e);
}
public unsafe IAsyncResult BeginWrite(byte[] buffer, int offset, int size, bool immediate, TimeSpan timeout, AsyncCallback callback, object state)
{
IAsyncResult result2;
TimeoutHelper helper = new TimeoutHelper(timeout);
this.FinishPendingWrite(timeout);
ConnectionUtilities.ValidateBufferBounds(buffer, offset, size);
if (this.autoBindToCompletionPort && !this.isBoundToCompletionPort)
{
lock (this.readLock)
{
lock (this.writeLock)
{
this.ValidateEnterWritingState(true);
this.EnsureBoundToCompletionPort();
}
}
}
lock (this.writeLock)
{
try
{
this.ValidateEnterWritingState(true);
if (this.isWriteOutstanding)
{
throw Fx.AssertAndThrow("Write I/O already pending when BeginWrite called.");
}
WriteAsyncResult result = new WriteAsyncResult(callback, state, size);
try
{
this.writeTimeout = timeout;
this.WriteTimer.Set(helper.RemainingTime());
this.writeAsyncResult = result;
this.isWriteOutstanding = true;
this.writeOverlapped.StartAsyncOperation(buffer, this.onAsyncWriteComplete, this.isBoundToCompletionPort);
if (UnsafeNativeMethods.WriteFile(this.pipe.DangerousGetHandle(), this.writeOverlapped.BufferPtr + offset, size, IntPtr.Zero, this.writeOverlapped.NativeOverlapped) == 0)
{
int error = Marshal.GetLastWin32Error();
if (error != 0x3e5)
{
this.isWriteOutstanding = false;
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(Exceptions.CreateWriteException(error));
}
}
}
finally
{
if (!this.isWriteOutstanding)
{
this.writeOverlapped.CancelAsyncOperation();
this.writeAsyncResult = null;
this.WriteTimer.Cancel();
}
}
if (!this.isWriteOutstanding)
{
int num2;
Exception exception = Exceptions.GetOverlappedWriteException(this.pipe, this.writeOverlapped.NativeOverlapped, out num2);
if ((exception == null) && (num2 != size))
{
exception = new PipeException(System.ServiceModel.SR.GetString("PipeWriteIncomplete"));
}
if (exception != null)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(exception);
}
result.Complete(true);
}
else
{
this.EnterWritingState();
}
result2 = result;
}
catch (PipeException exception2)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelper(this.ConvertPipeException(exception2, TransferOperation.Write), this.ExceptionEventType);
}
}
return result2;
}
