public void AsyncRequestCanceled(OutgoingAsyncBase outAsync, Ice.LocalException ex)
{
lock (this)
{
if (_exception != null)
{
return; // The request has been notified of a failure already.
}
if (!Initialized())
{
LinkedListNode <ProxyOutgoingAsyncBase> p = _requests.First;
while (p != null)
{
if (p.Value == outAsync)
{
_requests.Remove(p);
if (outAsync.Exception(ex))
{
outAsync.InvokeExceptionAsync();
}
return;
}
p = p.Next;
}
Debug.Assert(false); // The request has to be queued if it timed out and we're not initialized yet.
}
}
Debug.Assert(_connection != null);
_connection.AsyncRequestCanceled(outAsync, ex);
}
protected void Cancel(Ice.LocalException ex)
{
ICancellationHandler handler;
{
lock (this)
{
if (_cancellationHandler == null)
{
_cancellationException = ex;
return;
}
handler = _cancellationHandler;
}
}
handler.AsyncRequestCanceled(this, ex);
}
public void SetException(Ice.LocalException ex)
{
lock (this)
{
Debug.Assert(!_flushing && !_initialized && _exception == null);
_exception = ex;
_flushing = true; // Ensures request handler is removed before processing new requests.
}
//
// NOTE: remove the request handler *before* notifying the requests that the connection
// failed. It's important to ensure that future invocations will obtain a new connect
// request handler once invocations are notified.
//
try
{
_reference.GetCommunicator().RemoveRequestHandler(_reference, this);
}
catch (Ice.CommunicatorDestroyedException)
{
// Ignore
}
foreach (ProxyOutgoingAsyncBase outAsync in _requests)
{
if (outAsync.Exception(_exception))
{
outAsync.InvokeExceptionAsync();
}
}
_requests.Clear();
lock (this)
{
_flushing = false;
_proxies.Clear();
_proxy = null; // Break cyclic reference count.
Monitor.PulseAll(this);
}
}
public void exception(Ice.LocalException exception)
{
_callback.exception(exception);
}
public int closing(bool initiator, Ice.LocalException ex)
{
return(_transceiver.closing(initiator, ex));
}
public void invokeException(int requestId, LocalException ex, int invokeNum, bool amd)
{
//
// Fatal exception while invoking a request. Since sendResponse/sendNoResponse isn't
// called in case of a fatal exception we decrement _dispatchCount here.
//
lock(this)
{
setState(StateClosed, ex);
if(invokeNum > 0)
{
Debug.Assert(_dispatchCount >= invokeNum);
_dispatchCount -= invokeNum;
if(_dispatchCount == 0)
{
if(_state == StateFinished)
{
reap();
}
System.Threading.Monitor.PulseAll(this);
}
}
}
}
internal void completed(LocalException ex)
{
if(outAsync != null)
{
Ice.AsyncCallback cb = outAsync.completed(ex);
if(cb != null)
{
outAsync.invokeCompleted(cb);
}
}
}
private void setState(int state, LocalException ex)
{
//
// If setState() is called with an exception, then only closed
// and closing states are permissible.
//
Debug.Assert(state >= StateClosing);
if(_state == state) // Don't switch twice.
{
return;
}
if(_exception == null)
{
//
// If we are in closed state, an exception must be set.
//
Debug.Assert(_state != StateClosed);
_exception = ex;
//
// We don't warn if we are not validated.
//
if(_warn && _validated)
{
//
// Don't warn about certain expected exceptions.
//
if(!(_exception is CloseConnectionException ||
_exception is ForcedCloseConnectionException ||
_exception is ConnectionTimeoutException ||
_exception is CommunicatorDestroyedException ||
_exception is ObjectAdapterDeactivatedException ||
(_exception is ConnectionLostException && _state >= StateClosing)))
{
warning("connection exception", _exception);
}
}
}
//
// We must set the new state before we notify requests of any
// exceptions. Otherwise new requests may retry on a
// connection that is not yet marked as closed or closing.
//
setState(state);
}
public void exception(LocalException ex)
{
lock(this)
{
setState(StateClosed, ex);
}
}
internal void deadRemoteLogger(Ice.RemoteLoggerPrx remoteLogger, Ice.Logger logger, Ice.LocalException ex,
string operation)
{
//
// No need to convert remoteLogger as we only use its identity
//
if (removeRemoteLogger(remoteLogger))
{
if (_traceLevel > 0)
{
logger.trace(_traceCategory, "detached `" + remoteLogger.ToString() + "' because "
+ operation + " raised:\n" + ex.ToString());
}
}
}
public int handleException__(ObjectDel_ @delegate, LocalException ex, bool sleep, ref int cnt)
{
//
// Only _delegate needs to be mutex protected here.
//
lock(this)
{
if(@delegate == _delegate)
{
_delegate = null;
}
}
if(cnt == -1) // Don't retry if the retry count is -1.
{
throw ex;
}
try
{
return _reference.getInstance().proxyFactory().checkRetryAfterException(ex, _reference, sleep, ref cnt);
}
catch(CommunicatorDestroyedException)
{
//
// The communicator is already destroyed, so we cannot
// retry.
//
throw ex;
}
}
internal void finished(LocalException ex)
{
if(@out != null)
{
@out.finished(ex, isSent);
}
else if(outAsync != null)
{
outAsync.finished__(ex, isSent);
}
}
public void invokeException(LocalException ex, int invokeNum)
{
//
// Fatal exception while invoking a request. Since sendResponse/sendNoResponse isn't
// called in case of a fatal exception we decrement _dispatchCount here.
//
_m.Lock();
try
{
setState(StateClosed, ex);
if(invokeNum > 0)
{
Debug.Assert(_dispatchCount > 0);
_dispatchCount -= invokeNum;
Debug.Assert(_dispatchCount >= 0);
if(_dispatchCount == 0)
{
if(_state == StateFinished)
{
_reaper.add(this, _observer);
}
_m.NotifyAll();
}
}
}
finally
{
_m.Unlock();
}
}
public void exception(LocalException ex)
{
_m.Lock();
try
{
setState(StateClosed, ex);
}
finally
{
_m.Unlock();
}
}
internal void completed(LocalException ex)
{
if(outAsync != null)
{
if(outAsync.exception(ex))
{
outAsync.invokeException();
}
}
stream = null;
}
public int handleException__(ObjectDel_ @delegate, LocalException ex, bool sleep, ref int cnt,
InvocationObserver obsv)
{
//
// Only _delegate needs to be mutex protected here.
//
lock(this)
{
if(@delegate == _delegate)
{
_delegate = null;
}
}
try
{
if(cnt == -1) // Don't retry if the retry count is -1.
{
throw ex;
}
int interval;
try
{
interval = _reference.getInstance().proxyFactory().checkRetryAfterException(ex, _reference, sleep,
ref cnt);
}
catch(CommunicatorDestroyedException)
{
//
// The communicator is already destroyed, so we cannot
// retry.
//
throw ex;
}
if(obsv != null)
{
obsv.retried();
}
return interval;
}
catch(Ice.LocalException e)
{
if(obsv != null)
{
obsv.failed(e.ice_name());
}
throw;
}
}
