/// <summary>
/// Reconnects to all remote events or delegates of any known proxy for this connection, after a server restart.
/// </summary>
/// <remarks>
/// Does not check, if the event handler registrations are truly lost.
/// </remarks>
private void ReconnectRemoteEventsCore()
{
if (_isDisposed)
{
return;
}
try
{
lock (RemoteEventsLock)
{
var subscriptions = AliveProxies.Select(p => p.GetActiveSubscriptions()).Where(s => !s.DelegateCorrelationSet.IsNullOrEmpty()).ToArray();
var correlationSets = subscriptions.SelectMany(s => s.DelegateCorrelationSet).ToArray();
_localSubscriptionTracker.Reset(correlationSets);
PrepareCallContext(false);
RemoteDispatcher.ReconnectEventHandlers(subscriptions);
}
}
catch (Exception ex)
{
Trace.WriteLine("Error while restoring client subscriptions: {0}", ex);
}
}
public void SubscriptionTrackerCanReset()
{
// add one
var subscriptionTracker = new SubscriptionTracker();
var guids = new List <Guid>();
guids.Add(new Guid("d970d9f3-b15b-4c88-8bdc-34fb3f9d119c"));
Assert.AreEqual("1:e2a5278b5a85bfc1ec258003b697183d8a3330eb750ec3439cbcbfe19e285b87", subscriptionTracker.Add(guids));
Assert.AreEqual(1, subscriptionTracker.Count);
// clear and re-add
var duplicates = @"
a3c9a21f-e6b4-43e6-a651-ec6c9afde1a0
a3c9a21f-e6b4-43e6-a651-ec6c9afde1a0
d4b506e5-c70f-47a7-902b-764d2c8ac64a
3ccc7db1-bc5e-476d-b348-752e3695a317
51dd1835-824f-49c7-be96-45f8cb768aa8
a3c9a21f-e6b4-43e6-a651-ec6c9afde1a0
a3c9a21f-e6b4-43e6-a651-ec6c9afde1a0
38edea28-9bca-419a-a85b-8393f468f354
5f21501d-4f10-4258-b7f5-a1979a124b7b
e45bbd78-93dd-42bc-bda9-137f204fbba4"
.Split('\n')
.Select(s => s.Trim())
.Where(s => !string.IsNullOrEmpty(s))
.Select(s => new Guid(s));
Assert.AreEqual("7:73f2e8b827163446542377ef1da37d9a2dc7b0c0d70f824ed9a06a92446bd78b", subscriptionTracker.Reset(duplicates));
// clear
Assert.AreEqual("0:e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855", subscriptionTracker.Reset());
Assert.AreEqual(0, subscriptionTracker.Count);
}