private void RemoveInactiveClients()
{
var inactiveClients = _store.GetInActiveClientSubscriptions(ServiceConfiguration.PubSubClientInactivityTimeout);
int runCount = 0;
if (inactiveClients != null)
{
OperationContext context = null;
try
{
context = OperationContext.CreateAndMarkInUse(_context.TransactionalPoolManager, NCModulesConstants.PubSub, 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.RemoveInavtiveSubscripber, new SubscriptionInfo()
{
ClientId = inactiveClient
}), context);
}
catch (Exception e)
{
_context.NCacheLog.Error("MessageProcessor.RemoveInactiveClients", e.ToString());
}
}
}
}
finally
{
MiscUtil.ReturnOperationContextToPool(context, _context.TransactionalPoolManager);
context?.MarkFree(NCModulesConstants.PubSub);
}
}
}
public void Run()
{
OperationContext context = null;
try
{
var activeClients = _store.GetActiveClientSubscriptions(TimeSpan.FromMilliseconds(_interval));
if (activeClients != null)
{
context = OperationContext.CreateAndMarkInUse(_context.TransactionalPoolManager, NCModulesConstants.PubSub, 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());
}
finally
{
MiscUtil.ReturnOperationContextToPool(context, _context.TransactionalPoolManager);
context?.MarkFree(NCModulesConstants.PubSub);
}
}
public override void ExecuteCommand(ClientManager clientManager, Alachisoft.NCache.Common.Protobuf.Command command)
{
int overload;
string exception = null;
Stopwatch stopWatch = new Stopwatch();
stopWatch.Start();
try
{
overload = command.MethodOverload;
cmdInfo = ParseCommand(command, clientManager);
}
catch (System.Exception exc)
{
_removeResult = OperationResult.Failure;
if (!base.immatureId.Equals("-2"))
{
//PROTOBUF:RESPONSE
_serializedResponsePackets.Add(Alachisoft.NCache.Common.Util.ResponseHelper.SerializeExceptionResponseWithType(exc, command.requestID, command.commandID, clientManager.ClientVersion));
}
return;
}
CompressedValueEntry flagValueEntry = null;
NCache nCache = clientManager.CmdExecuter as NCache;
if (!cmdInfo.DoAsync)
{
OperationContext operationContext = null;
try
{
Notifications notification = null;
if (cmdInfo.DsItemRemovedId != -1)
{
notification = new Notifications(clientManager.ClientID, -1, -1, -1, -1, cmdInfo.DsItemRemovedId
, Runtime.Events.EventDataFilter.None, Runtime.Events.EventDataFilter.None); //DataFilter not required
}
operationContext = _operationContext;
operationContext.Add(OperationContextFieldName.OperationType, OperationContextOperationType.CacheOperation);
operationContext.Add(OperationContextFieldName.ClientId, clientManager.ClientID);
operationContext.Add(OperationContextFieldName.MethodOverload, overload);
operationContext.Add(OperationContextFieldName.RaiseCQNotification, true);
CommandsUtil.PopulateClientIdInContext(ref operationContext, clientManager.ClientAddress);
flagValueEntry = nCache.Cache.Remove(cmdInfo.Key, cmdInfo.FlagMap, notification, cmdInfo.LockId, cmdInfo.Version, cmdInfo.LockAccessType, cmdInfo.ProviderName, operationContext);
stopWatch.Stop();
UserBinaryObject ubObject = null;
if (flagValueEntry != null)
{
if (flagValueEntry.Value is UserBinaryObject)
{
ubObject = (UserBinaryObject)flagValueEntry.Value;
}
else
{
var flag = flagValueEntry.Flag;
ubObject = (flagValueEntry == null) ? null : (UserBinaryObject)nCache.Cache.SocketServerDataService.GetClientData(flagValueEntry.Value, ref flag, LanguageContext.DOTNET);
}
}
//PROTOBUF:RESPONSE
RemoveResponse removeResponse = _removeResponse;
if (ubObject != null)
{
removeResponse.value.AddRange(ubObject.DataList);
removeResponse.flag = flagValueEntry.Flag.Data;
removeResponse.itemType = MiscUtil.EntryTypeToProtoItemType(flagValueEntry.Type);
}
if (clientManager.ClientVersion >= 5000)
{
ResponseHelper.SetResponse(removeResponse, command.requestID, command.commandID);
_serializedResponsePackets.Add(ResponseHelper.SerializeResponse(removeResponse, Response.Type.REMOVE));
}
else
{
Response response = Stash.ProtobufResponse;
{
response.remove = removeResponse;
};
ResponseHelper.SetResponse(response, command.requestID, command.commandID, Response.Type.REMOVE);
_serializedResponsePackets.Add(Alachisoft.NCache.Common.Util.ResponseHelper.SerializeResponse(response));
}
}
catch (System.Exception exc)
{
_removeResult = OperationResult.Failure;
exception = exc.ToString();
_serializedResponsePackets.Add(Alachisoft.NCache.Common.Util.ResponseHelper.SerializeExceptionResponseWithType(exc, command.requestID, command.commandID, clientManager.ClientVersion));
}
finally
{
operationContext?.MarkFree(NCModulesConstants.SocketServer);
cmdInfo.FlagMap?.MarkFree(NCModulesConstants.SocketServer);
TimeSpan executionTime = stopWatch.Elapsed;
if (flagValueEntry != null)
{
MiscUtil.ReturnEntryToPool(flagValueEntry.Entry, clientManager.CacheTransactionalPool);
MiscUtil.ReturnCompressedEntryToPool(flagValueEntry, clientManager.CacheTransactionalPool);
}
try
{
if (Alachisoft.NCache.Management.APILogging.APILogManager.APILogManger != null && Alachisoft.NCache.Management.APILogging.APILogManager.EnableLogging)
{
APILogItemBuilder log = new APILogItemBuilder(MethodsName.REMOVE.ToLower());
log.GenerateRemoveAPILogItem(cmdInfo.Key, cmdInfo.FlagMap, cmdInfo.LockId, (long)cmdInfo.Version, cmdInfo.LockAccessType, cmdInfo.ProviderName, cmdInfo.DsItemRemovedId, overload, exception, executionTime, clientManager.ClientID.ToLower(), clientManager.ClientSocketId.ToString());
}
}
catch
{
}
}
}
else
{
OperationContext operationContext = null;
try
{
cmdInfo.FlagMap = new BitSet {
Data = cmdInfo.FlagMap.Data
};
object[] package = null;
if (cmdInfo.RequestId != -1 || cmdInfo.DsItemRemovedId != -1)
{
package = new object[] { cmdInfo.Key, cmdInfo.FlagMap, new Notifications(clientManager.ClientID,
Convert.ToInt32(cmdInfo.RequestId),
-1,
-1,
(short)(cmdInfo.RequestId == -1 ? -1 : 0),
cmdInfo.DsItemRemovedId
, Runtime.Events.EventDataFilter.None, Runtime.Events.EventDataFilter.None), cmdInfo.ProviderName }; //DataFilter not required
}
else
{
package = new object[] { cmdInfo.Key, cmdInfo.FlagMap, null, cmdInfo.ProviderName };
}
operationContext = OperationContext.CreateAndMarkInUse(clientManager.CacheFakePool, NCModulesConstants.SocketServer);
operationContext.Add(OperationContextFieldName.OperationType, OperationContextOperationType.CacheOperation);
operationContext.Add(OperationContextFieldName.RaiseCQNotification, true);
operationContext.Add(OperationContextFieldName.MethodOverload, overload);
nCache.Cache.RemoveAsync(package, operationContext);
stopWatch.Stop();
}
finally
{
operationContext?.MarkFree(NCModulesConstants.SocketServer);
TimeSpan executionTime = stopWatch.Elapsed;
try
{
if (Alachisoft.NCache.Management.APILogging.APILogManager.APILogManger != null && Alachisoft.NCache.Management.APILogging.APILogManager.EnableLogging)
{
APILogItemBuilder log = new APILogItemBuilder(MethodsName.RemoveAsync.ToLower());
log.GenerateRemoveAPILogItem(cmdInfo.Key, cmdInfo.FlagMap, cmdInfo.LockId, (long)cmdInfo.Version, cmdInfo.LockAccessType, cmdInfo.ProviderName, cmdInfo.DsItemRemovedId, overload, exception, executionTime, clientManager.ClientID.ToLower(), clientManager.ClientSocketId.ToString());
}
}
catch { }
}
}
}
