public void Run()
{
try
{
var activeClients = _store.GetActiveClientSubscriptions(TimeSpan.FromMilliseconds(_interval));
if (activeClients != null)
{
OperationContext context = OperationContext.CreateWith(OperationContextFieldName.InternalOperation, true);
foreach (KeyValuePair <string, IList <string> > pair in activeClients)
{
foreach (string client in pair.Value)
{
if (_context.NCacheLog.IsInfoEnabled)
{
_context.NCacheLog.Info("SubscriptionRefresher", client + " being refreshed for topic " + pair.Key);
}
_store.TopicOperation(new SubscriptionOperation(pair.Key, Common.Enum.TopicOperationType.RefreshSubscription,
new SubscriptionInfo()
{
ClientId = client
}), context);
}
}
}
}
catch (Exception e)
{
_context.NCacheLog.Error("SubscriptionReresherTask", e.ToString());
}
}
private void RemoveInactiveClients()
{
var inactiveClients = _store.GetInActiveClientSubscriptions(TimeSpan.FromMinutes(10));
int runCount = 0;
if (inactiveClients != null)
{
OperationContext context = OperationContext.CreateWith(OperationContextFieldName.InternalOperation, true);
foreach (KeyValuePair <string, IList <string> > pair in inactiveClients)
{
foreach (string inactiveClient in pair.Value)
{
if (runCount++ > 200)
{
_hadPendingWork = true;
break; //to prevent starvation and let other operations happen
}
try
{
if (_context.NCacheLog.IsInfoEnabled)
{
_context.NCacheLog.Info("MessageProcessor.RemoveInactiveClients", inactiveClient + " subscription removed due to inactivity against topic " + pair.Key);
}
_store.TopicOperation(new SubscriptionOperation(pair.Key, TopicOperationType.UnSubscribe, new SubscriptionInfo()
{
ClientId = inactiveClient
}), context);
}
catch (Exception e)
{
_context.NCacheLog.Error("MessageProcessor.RemoveInactiveClients", e.ToString());
}
}
}
}
}
