diff options
author | Diva Canto | 2015-09-04 14:14:53 -0700 |
---|---|---|
committer | Diva Canto | 2015-09-04 14:14:53 -0700 |
commit | 9005365115a0c56c4d4827bff67bf8e5e317e5d6 (patch) | |
tree | f8f08dba663031a5c62c707fc02c7bda77a923fe /OpenSim/Framework/Communications/RestClient.cs | |
parent | Deleted unused interface (diff) | |
download | opensim-SC_OLD-9005365115a0c56c4d4827bff67bf8e5e317e5d6.zip opensim-SC_OLD-9005365115a0c56c4d4827bff67bf8e5e317e5d6.tar.gz opensim-SC_OLD-9005365115a0c56c4d4827bff67bf8e5e317e5d6.tar.bz2 opensim-SC_OLD-9005365115a0c56c4d4827bff67bf8e5e317e5d6.tar.xz |
Deleted old unfinished code under Framework.Communications that wasn't being used anywhere.
Also folded GenericAsyncResult into RestClient, since it is used only there. This is preparation to remove Framework.Communications entirely.
Diffstat (limited to '')
-rw-r--r-- | OpenSim/Framework/Communications/RestClient.cs | 154 |
1 files changed, 154 insertions, 0 deletions
diff --git a/OpenSim/Framework/Communications/RestClient.cs b/OpenSim/Framework/Communications/RestClient.cs index 6f517b6..ff7cb4d 100644 --- a/OpenSim/Framework/Communications/RestClient.cs +++ b/OpenSim/Framework/Communications/RestClient.cs | |||
@@ -519,4 +519,158 @@ namespace OpenSim.Framework.Communications | |||
519 | 519 | ||
520 | #endregion Async Invocation | 520 | #endregion Async Invocation |
521 | } | 521 | } |
522 | |||
523 | internal class SimpleAsyncResult : IAsyncResult | ||
524 | { | ||
525 | private readonly AsyncCallback m_callback; | ||
526 | |||
527 | /// <summary> | ||
528 | /// Is process completed? | ||
529 | /// </summary> | ||
530 | /// <remarks>Should really be boolean, but VolatileRead has no boolean method</remarks> | ||
531 | private byte m_completed; | ||
532 | |||
533 | /// <summary> | ||
534 | /// Did process complete synchronously? | ||
535 | /// </summary> | ||
536 | /// <remarks>I have a hard time imagining a scenario where this is the case, again, same issue about | ||
537 | /// booleans and VolatileRead as m_completed | ||
538 | /// </remarks> | ||
539 | private byte m_completedSynchronously; | ||
540 | |||
541 | private readonly object m_asyncState; | ||
542 | private ManualResetEvent m_waitHandle; | ||
543 | private Exception m_exception; | ||
544 | |||
545 | internal SimpleAsyncResult(AsyncCallback cb, object state) | ||
546 | { | ||
547 | m_callback = cb; | ||
548 | m_asyncState = state; | ||
549 | m_completed = 0; | ||
550 | m_completedSynchronously = 1; | ||
551 | } | ||
552 | |||
553 | #region IAsyncResult Members | ||
554 | |||
555 | public object AsyncState | ||
556 | { | ||
557 | get { return m_asyncState; } | ||
558 | } | ||
559 | |||
560 | public WaitHandle AsyncWaitHandle | ||
561 | { | ||
562 | get | ||
563 | { | ||
564 | if (m_waitHandle == null) | ||
565 | { | ||
566 | bool done = IsCompleted; | ||
567 | ManualResetEvent mre = new ManualResetEvent(done); | ||
568 | if (Interlocked.CompareExchange(ref m_waitHandle, mre, null) != null) | ||
569 | { | ||
570 | mre.Close(); | ||
571 | } | ||
572 | else | ||
573 | { | ||
574 | if (!done && IsCompleted) | ||
575 | { | ||
576 | m_waitHandle.Set(); | ||
577 | } | ||
578 | } | ||
579 | } | ||
580 | |||
581 | return m_waitHandle; | ||
582 | } | ||
583 | } | ||
584 | |||
585 | |||
586 | public bool CompletedSynchronously | ||
587 | { | ||
588 | get { return Thread.VolatileRead(ref m_completedSynchronously) == 1; } | ||
589 | } | ||
590 | |||
591 | |||
592 | public bool IsCompleted | ||
593 | { | ||
594 | get { return Thread.VolatileRead(ref m_completed) == 1; } | ||
595 | } | ||
596 | |||
597 | #endregion | ||
598 | |||
599 | #region class Methods | ||
600 | |||
601 | internal void SetAsCompleted(bool completedSynchronously) | ||
602 | { | ||
603 | m_completed = 1; | ||
604 | if (completedSynchronously) | ||
605 | m_completedSynchronously = 1; | ||
606 | else | ||
607 | m_completedSynchronously = 0; | ||
608 | |||
609 | SignalCompletion(); | ||
610 | } | ||
611 | |||
612 | internal void HandleException(Exception e, bool completedSynchronously) | ||
613 | { | ||
614 | m_completed = 1; | ||
615 | if (completedSynchronously) | ||
616 | m_completedSynchronously = 1; | ||
617 | else | ||
618 | m_completedSynchronously = 0; | ||
619 | m_exception = e; | ||
620 | |||
621 | SignalCompletion(); | ||
622 | } | ||
623 | |||
624 | private void SignalCompletion() | ||
625 | { | ||
626 | if (m_waitHandle != null) m_waitHandle.Set(); | ||
627 | |||
628 | if (m_callback != null) m_callback(this); | ||
629 | } | ||
630 | |||
631 | public void EndInvoke() | ||
632 | { | ||
633 | // This method assumes that only 1 thread calls EndInvoke | ||
634 | if (!IsCompleted) | ||
635 | { | ||
636 | // If the operation isn't done, wait for it | ||
637 | AsyncWaitHandle.WaitOne(); | ||
638 | AsyncWaitHandle.Close(); | ||
639 | m_waitHandle.Close(); | ||
640 | m_waitHandle = null; // Allow early GC | ||
641 | } | ||
642 | |||
643 | // Operation is done: if an exception occured, throw it | ||
644 | if (m_exception != null) throw m_exception; | ||
645 | } | ||
646 | |||
647 | #endregion | ||
648 | } | ||
649 | |||
650 | internal class AsyncResult<T> : SimpleAsyncResult | ||
651 | { | ||
652 | private T m_result = default(T); | ||
653 | |||
654 | public AsyncResult(AsyncCallback asyncCallback, Object state) : | ||
655 | base(asyncCallback, state) | ||
656 | { | ||
657 | } | ||
658 | |||
659 | public void SetAsCompleted(T result, bool completedSynchronously) | ||
660 | { | ||
661 | // Save the asynchronous operation's result | ||
662 | m_result = result; | ||
663 | |||
664 | // Tell the base class that the operation completed | ||
665 | // sucessfully (no exception) | ||
666 | base.SetAsCompleted(completedSynchronously); | ||
667 | } | ||
668 | |||
669 | public new T EndInvoke() | ||
670 | { | ||
671 | base.EndInvoke(); | ||
672 | return m_result; | ||
673 | } | ||
674 | } | ||
675 | |||
522 | } \ No newline at end of file | 676 | } \ No newline at end of file |