public override void Complete()
{
Debug.Assert((CompletionFlags & (OperationCompletionFlags.OperationCancelled | OperationCompletionFlags.OperationFinished)) != 0);
ResetOperationState();
_readNotWrite = IsReadNotWrite;
var completionFlags = CompletionFlags;
Saea.Complete(completionFlags);
if ((completionFlags & OperationCompletionFlags.CompletedCanceledSync) == OperationCompletionFlags.CompletedCanceledSync)
{
// Caller threw an exception which prevents further use of this.
ResetAndReturnThis();
}
else
{
_vts.SetResult(0);
ManualResetEventSlim?mre = Interlocked.Exchange(ref _mre, s_completedSentinel);
// This ManualResetEventSlim is used to wait until the operation completed.
// After that a direct call is made to get the result.
mre?.Set();
}
}
/// <summary>
/// Releases all resources used by <see cref="SaeaAwaitable" />.
/// </summary>
public void Dispose()
{
lock (SyncRoot)
{
if (!IsDisposed)
{
Saea.Dispose();
IsDisposed = true;
}
}
}
void IThreadPoolWorkItem.Execute()
{
// Capture state.
OperationCompletionFlags completionStatus = CompletionFlags;
// Reset state.
CompletionFlags = OperationCompletionFlags.None;
CurrentAsyncContext = null;
// Complete.
Saea.Complete(completionStatus);
}
/// <summary>
/// Clear properties to prepare
/// <see cref="SaeaAwaitable" /> for pooling.
/// </summary>
public void ClearAndResetSaeaProperties()
{
Saea.SocketFlags = SocketFlags.None;
Saea.SocketError = SocketError.Success;
Saea.SendPacketsSendSize = 0;
Saea.SendPacketsElements = null;
Saea.DisconnectReuseSocket = false;
Saea.BufferList = null;
Saea.AcceptSocket = null;
Saea.RemoteEndPoint = null;
Saea.UserToken = null;
if (_initBufferSize != MAGIC)
{
// restore buffer
Saea.SetBuffer(0, _initBufferSize);
}
}
