public int InvokeAsyncRequest(OutgoingAsync outAsync, bool synchronous)
{
//
// Increase the direct count to prevent the thread pool from being destroyed before
// invokeAll is called. This will also throw if the object adapter has been deactivated.
//
_adapter.IncDirectCount();
int requestId = 0;
try
{
lock (this)
{
outAsync.Cancelable(this); // This will throw if the request is canceled
if (!outAsync.IsOneway)
{
requestId = ++_requestId;
_asyncRequests.Add(requestId, outAsync);
}
_sendAsyncRequests.Add(outAsync, requestId);
}
}
catch (System.Exception)
{
_adapter.DecDirectCount();
throw;
}
outAsync.AttachCollocatedObserver(_adapter, requestId);
if (!synchronous || outAsync.IsOneway || _reference.InvocationTimeout > 0)
{
// Don't invoke from the user thread if async or invocation timeout is set
// TODO: why is oneway included in this list?
_adapter.ThreadPool.Dispatch(
() =>
{
if (SentAsync(outAsync))
{
Debug.Assert(outAsync.RequestFrame != null);
ValueTask vt = InvokeAllAsync(outAsync.RequestFrame, requestId);
// TODO: do something with the value task
}
});
}
else // Optimization: directly call invokeAll
{
if (SentAsync(outAsync))
{
Debug.Assert(outAsync.RequestFrame != null);
ValueTask vt = InvokeAllAsync(outAsync.RequestFrame, requestId);
// TODO: do something with the value task
}
}
return(OutgoingAsyncBase.AsyncStatusQueued);
}
public void add(OutgoingAsync outAsync, int interval)
{
lock (this)
{
RetryTask task = new RetryTask(this, outAsync);
_instance.timer().schedule(task, interval);
_requests.Add(task, null);
}
}
public bool sendAsyncRequest(OutgoingAsync @out, out Ice.AsyncCallback sentCallback)
{
_m.Lock();
try
{
if (!initialized())
{
_requests.AddLast(new Request(@out));
sentCallback = null;
return(false);
}
}
finally
{
_m.Unlock();
}
return(_connection.sendAsyncRequest(@out, _compress, _response, out sentCallback));
}
public void asyncRequestCanceled(OutgoingAsyncBase outAsync, Ice.LocalException ex)
{
lock (this)
{
int requestId;
if (_sendAsyncRequests.TryGetValue(outAsync, out requestId))
{
if (requestId > 0)
{
_asyncRequests.Remove(requestId);
}
_sendAsyncRequests.Remove(outAsync);
Ice.AsyncCallback cb = outAsync.completed(ex);
if (cb != null)
{
outAsync.invokeCompletedAsync(cb);
}
_adapter.decDirectCount(); // invokeAll won't be called, decrease the direct count.
return;
}
if (outAsync is OutgoingAsync)
{
OutgoingAsync o = (OutgoingAsync)outAsync;
Debug.Assert(o != null);
foreach (KeyValuePair <int, OutgoingAsyncBase> e in _asyncRequests)
{
if (e.Value == o)
{
_asyncRequests.Remove(e.Key);
Ice.AsyncCallback cb = outAsync.completed(ex);
if (cb != null)
{
outAsync.invokeCompletedAsync(cb);
}
return;
}
}
}
}
}
public RetryTask(RetryQueue retryQueue, OutgoingAsync outAsync)
{
_retryQueue = retryQueue;
_outAsync = outAsync;
}
internal Request(OutgoingAsync @out)
{
this.@out = @out;
}
public bool sendAsyncRequest(OutgoingAsync @out, out Ice.AsyncCallback sentCallback)
{
return(_connection.sendAsyncRequest(@out, _compress, _response, out sentCallback));
}