/// <summary>
/// Set the ByteBuffer's FlushAsyncArgs to invoke FlushAsync()
/// </summary>
/// <returns></returns>
internal AsyncCompletionResult FlushAsync()
{
if (this.position <= 0)
{
return(AsyncCompletionResult.Completed);
}
Fx.Assert(this.FlushAsyncArgs != null, "FlushAsyncArgs not set.");
if (flushCallback == null)
{
flushCallback = new AsyncCallback(OnAsyncFlush);
}
int bytesToWrite = this.position;
this.SetWritePending();
this.position = 0;
if (TD.BufferedAsyncWriteStartIsEnabled())
{
TD.BufferedAsyncWriteStart(this.parent.EventTraceActivity, this.GetHashCode(), bytesToWrite);
}
IAsyncResult asyncResult = this.stream.BeginWrite(this.bytes, 0, bytesToWrite, flushCallback, this);
if (asyncResult.CompletedSynchronously)
{
if (TD.BufferedAsyncWriteStopIsEnabled())
{
TD.BufferedAsyncWriteStop(this.parent.EventTraceActivity);
}
this.stream.EndWrite(asyncResult);
this.ResetWritePending();
return(AsyncCompletionResult.Completed);
}
return(AsyncCompletionResult.Queued);
}