Esempio n. 1
0
        /// <summary>
        /// Add the object to the cluster. Does load balancing as well.
        /// </summary>
        /// <param name="key">key of the entry.</param>
        /// <returns>cache entry.</returns>
        /// <remarks>
        /// This method either invokes <see cref="handleAdd"/> on one of the server nodes in the cluster,
        /// or invokes <see cref="Local_Add"/> locally.
        /// </remarks>
        protected bool Clustered_Add(ArrayList dests, object key, ExpirationHint eh, OperationContext operationContext)
        {
            bool result = false;

            try
            {
                /// Ask every server to add the object, except myself.
                Function func    = new Function((int)OpCodes.AddHint, new object[] { key, eh, operationContext }, false, key);
                RspList  results = Cluster.BroadcastToMultiple(dests,
                                                               func,
                                                               GroupRequest.GET_ALL, _asyncOperation);

                ClusterHelper.ValidateResponses(results, typeof(bool), Name);

                /// Check if the operation failed on any node.
                result = ClusterHelper.FindAtomicAddHintReplicated(results);
            }
            catch (CacheException e)
            {
                throw;
            }
            catch (Exception e)
            {
                throw new GeneralFailureException(e.Message, e);
            }
            return(result);
        }
Esempio n. 2
0
        protected Hashtable Clustered_Insert(ArrayList dests, object[] keys, CacheEntry[] cacheEntries, OperationContext operationContext)
        {
            try
            {
                if (ServerMonitor.MonitorActivity)
                {
                    ServerMonitor.LogClientActivity("RepCacheBase.InsertBlk", "enter");
                }
                /// Ask every server to update the object, except myself.
                Function func    = new Function((int)OpCodes.Insert, new object[] { keys, cacheEntries, operationContext }, false);
                RspList  results = Cluster.BroadcastToMultiple(dests,
                                                               func,
                                                               GroupRequest.GET_ALL);

                ClusterHelper.ValidateResponses(results, typeof(Hashtable), Name);

                /// Check if the operation failed on any node.
                return(ClusterHelper.FindAtomicBulkInsertStatusReplicated(results));
            }
            catch (CacheException e)
            {
                throw;
            }
            catch (Exception e)
            {
                throw new GeneralFailureException(e.Message, e);
            }
            finally
            {
                if (ServerMonitor.MonitorActivity)
                {
                    ServerMonitor.LogClientActivity("RepCacheBase.InsertBlk", "exit");
                }
            }
        }
Esempio n. 3
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        protected LockOptions Clustered_IsLocked(object key, ref object lockId, ref DateTime lockDate, OperationContext operationContext)
        {
            try
            {
                Function func = new Function((int)OpCodes.IsLocked, new object[] { key, lockId, lockDate, operationContext }, false);

                RspList results = Cluster.BroadcastToMultiple(Cluster.Servers,
                                                              func,
                                                              GroupRequest.GET_ALL);

                try
                {
                    ClusterHelper.ValidateResponses(results, typeof(LockOptions), Name);
                }
                catch (LockingException le)
                {
                    //release the lock preemptively...
                    Clustered_UnLock(key, null, true, operationContext);
                    return(null);
                }

                return(ClusterHelper.FindAtomicIsLockedStatusReplicated(results, ref lockId, ref lockDate));
            }
            catch (CacheException e)
            {
                throw;
            }
            catch (Exception e)
            {
                throw new GeneralFailureException(e.Message, e);
            }
        }
Esempio n. 4
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        /// <summary>
        /// Remove the objects from the cluster.
        /// </summary>
        /// <param name="dest"></param>
        /// <param name="keys">keys of the entries.</param>
        /// <param name="ir"></param>
        /// <param name="cbEntry"></param>
        /// <param name="notify"></param>
        /// <param name="operationContext"></param>
        /// <returns>list of failed keys</returns>
        /// <remarks>
        /// This method invokes <see cref="handleRemove"/> on every server node in the cluster.
        /// </remarks>
        protected Hashtable Clustered_Remove(Address dest, object[] keys, ItemRemoveReason ir, CallbackEntry cbEntry, bool notify, OperationContext operationContext)
        {
            if (ServerMonitor.MonitorActivity)
            {
                ServerMonitor.LogClientActivity("PartCacheBase.RemoveBlk", "");
            }

            Hashtable removedEntries = new Hashtable();
            ArrayList dests          = new ArrayList();

            dests.Add(dest);
            try
            {
                Function func    = new Function((int)OpCodes.Remove, new object[] { keys, ir, notify, cbEntry, operationContext }, false);
                RspList  results = Cluster.Multicast(dests, func, GetFirstResponse, false);

                if (results == null)
                {
                    return(removedEntries);
                }

                //muds:
                if (results.SuspectedMembers.Count == dests.Count)
                {
                    //All the members of this group has gone down.
                    //we must try this operation on some other group.
                    throw new Runtime.Exceptions.SuspectedException("operation failed because the group member was suspected");
                }

                ClusterHelper.ValidateResponses(results, typeof(Hashtable), Name);
                ArrayList rspList = ClusterHelper.GetAllNonNullRsp(results, typeof(Hashtable));

                if (rspList.Count <= 0)
                {
                    return(removedEntries);
                }

                IEnumerator ia = rspList.GetEnumerator();
                while (ia.MoveNext())
                {
                    Rsp       rsp     = (Rsp)ia.Current;
                    Hashtable removed = (Hashtable)rsp.Value;

                    IDictionaryEnumerator ide = removed.GetEnumerator();
                    while (ide.MoveNext())
                    {
                        removedEntries.Add(ide.Key, ide.Value);
                    }
                }
            }
            catch (CacheException e)
            {
                throw;
            }
            catch (Exception e)
            {
                throw new GeneralFailureException(e.Message, e);
            }
            return(removedEntries);
        }
        /// <summary>
        /// Returns a .NET IEnumerator interface so that a client should be able
        /// to iterate over the elements of the cache store.
        /// </summary>
        /// <returns>IDictionaryEnumerator enumerator.</returns>
        protected IDictionaryEnumerator Clustered_GetEnumerator(ArrayList dests, IDictionaryEnumerator local)
        {
            IDictionaryEnumerator retVal = null;

            try
            {
                Function func    = new Function((int)OpCodes.KeyList, null);
                RspList  results = Cluster.BroadcastToMultiple(dests,
                                                               func,
                                                               GroupRequest.GET_ALL,
                                                               Cluster.Timeout * 10,
                                                               false);
                if (results == null)
                {
                    return(retVal);
                }

                ClusterHelper.ValidateResponses(results, typeof(object[]), Name);

                Rsp       rsp       = null;
                ArrayList validRsps = new ArrayList();
                for (int i = 0; i < results.size(); i++)
                {
                    rsp = (Rsp)results.elementAt(i);

                    if (rsp.Value != null)
                    {
                        validRsps.Add(rsp);
                    }
                }

                int index      = (local == null ? 0 : 1);
                int totalEnums = validRsps.Count + index;
                IDictionaryEnumerator[] enums = new IDictionaryEnumerator[totalEnums];
                if (local != null)
                {
                    enums[0] = local;
                }
                for (int i = 0; i < validRsps.Count; i++)
                {
                    rsp            = (Rsp)validRsps[i];
                    enums[index++] = new LazyPartitionedKeysetEnumerator(this,
                                                                         rsp.Value as object[],
                                                                         rsp.Sender as Address,
                                                                         false);
                }
                retVal = new AggregateEnumerator(enums);
            }
            catch (CacheException e)
            {
                throw;
            }
            catch (Exception e)
            {
                throw new GeneralFailureException(e.Message, e);
            }
            return(retVal);
        }
Esempio n. 6
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        /// <summary>
        /// Verifies that joining node has no data integrity conflicts with other nodes of the
        /// cluster.
        /// </summary>
        /// <returns>True, if no data integrity conflicts found, other wise false</returns>
        /// <remarks>Each partitioned node can have his data affinity. Data groups other than the
        /// strongly affiliated groups can be loadbalanced to any of the existing node. In such a
        /// situaltion if a new node joins and it has strong affinity with the groups whose data
        /// was previously distributed evenly, then a data integrity conflict arises. To avoid such
        /// conflicts each joining node first varifes that no other node on the cluster has data
        /// of his groups. If it is so, then he has to leave the cluster.</remarks>
        public bool VerifyDataIntegrity()
        {
            bool integrityVarified = true;
            bool integrityIssue    = false;


            try
            {
                if (Cluster.Servers.Count > 1)
                {
                    if (_stats != null && _stats.LocalNode.DataAffinity != null)
                    {
                        DataAffinity affinity = _stats.LocalNode.DataAffinity;

                        if (affinity.Groups != null && affinity.Groups.Count > 0)
                        {
                            Function fun     = new Function((int)OpCodes.VerifyDataIntegrity, (object)affinity.Groups, false);
                            RspList  results = Cluster.BroadcastToServers(fun, GroupRequest.GET_ALL, false);

                            if (results != null)
                            {
                                ClusterHelper.ValidateResponses(results, typeof(bool), Name);
                                Rsp response;
                                for (int i = 0; i < results.size(); i++)
                                {
                                    response = (Rsp)results.elementAt(i);
                                    if (response.wasReceived())
                                    {
                                        integrityIssue = Convert.ToBoolean(response.Value);
                                        if (integrityIssue)
                                        {
                                            Context.NCacheLog.Error("PartitionedCacheBase.Verifydataintegrity()", "data integrity issue from " + response.Sender.ToString());
                                            integrityVarified = false;
                                        }
                                    }
                                    else
                                    {
                                        Context.NCacheLog.Error("PartitionedCacheBase.Verifydataintegrity()", "data integrity varification not received from " + response.Sender.ToString());
                                        integrityVarified = false;
                                        break;
                                    }
                                }
                            }
                        }
                    }
                }
            }
            catch (Exception e)
            {
                if (Context != null)
                {
                    Context.NCacheLog.Error("PartitionedCacheBase.Verifydataintegrity()", e.ToString());
                }
                integrityVarified = false;
            }

            return(integrityVarified);
        }
Esempio n. 7
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        /// <summary>
        /// Remove the objects from the cluster.
        /// </summary>
        /// <param name="keys">keys of the entries.</param>
        /// <returns>list of failed keys</returns>
        /// <remarks>
        /// This method invokes <see cref="handleRemove"/> on every server node in the cluster.
        /// </remarks>
        protected Hashtable Clustered_Remove(object[] keys, ItemRemoveReason ir, CallbackEntry cbEntry, bool notify, OperationContext operationContext)
        {
            Hashtable removedEntries = new Hashtable();

            try
            {
                if (ServerMonitor.MonitorActivity)
                {
                    ServerMonitor.LogClientActivity("RepCacheBase.RemoveBlk", "enter");
                }
                Function func    = new Function((int)OpCodes.Remove, new object[] { keys, ir, notify, cbEntry, operationContext }, false);
                RspList  results = Cluster.BroadcastToServers(func, GroupRequest.GET_ALL);

                if (results == null)
                {
                    return(removedEntries);
                }

                ClusterHelper.ValidateResponses(results, typeof(Hashtable), Name);
                ArrayList rspList = ClusterHelper.GetAllNonNullRsp(results, typeof(Hashtable));

                if (rspList.Count <= 0)
                {
                    return(removedEntries);
                }

                IEnumerator ia = rspList.GetEnumerator();
                while (ia.MoveNext())
                {
                    Rsp       rsp     = (Rsp)ia.Current;
                    Hashtable removed = (Hashtable)rsp.Value;

                    IDictionaryEnumerator ide = removed.GetEnumerator();
                    while (ide.MoveNext())
                    {
                        removedEntries.Add(ide.Key, ide.Value);
                    }
                }
            }
            catch (CacheException e)
            {
                throw;
            }
            catch (Exception e)
            {
                throw new GeneralFailureException(e.Message, e);
            }
            finally
            {
                if (ServerMonitor.MonitorActivity)
                {
                    ServerMonitor.LogClientActivity("RepCacheBase.RemoveBlk", "exit");
                }
            }
            return(removedEntries);
        }
Esempio n. 8
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        /// <summary>
        /// Remove the object from the cluster.
        /// </summary>
        /// <param name="key">key of the entry.</param>
        /// <returns>cache entry.</returns>
        /// <remarks>
        /// This method invokes <see cref="handleRemove"/> on every server node in the cluster.
        /// </remarks>
        protected CacheEntry Clustered_Remove(object key, ItemRemoveReason ir, CallbackEntry cbEntry, bool notify, object lockId, LockAccessType accessType, OperationContext operationContext)
        {
            CacheEntry retVal = null;

            try
            {
                if (ServerMonitor.MonitorActivity)
                {
                    ServerMonitor.LogClientActivity("RepCacheBase.Remove", "enter");
                }
                Function func    = new Function((int)OpCodes.Remove, new object[] { key, ir, notify, cbEntry, lockId, accessType, operationContext }, false, key);
                RspList  results = Cluster.BroadcastToServers(func, GroupRequest.GET_ALL, _asyncOperation);
                if (results == null)
                {
                    return(retVal);
                }

                ClusterHelper.ValidateResponses(results, typeof(OperationResponse), Name);

                Rsp rsp = ClusterHelper.FindAtomicRemoveStatusReplicated(results);
                if (rsp == null)
                {
                    return(retVal);
                }

                OperationResponse opRes = rsp.Value as OperationResponse;
                if (opRes != null)
                {
                    CacheEntry entry = opRes.SerializablePayload as CacheEntry;
                    if (entry != null)
                    {
                        entry.Value = opRes.UserPayload;
                    }
                    return(entry);
                }
            }
            catch (CacheException e)
            {
                throw;
            }
            catch (Exception e)
            {
                throw new GeneralFailureException(e.Message, e);
            }
            finally
            {
                if (ServerMonitor.MonitorActivity)
                {
                    ServerMonitor.LogClientActivity("RepCacheBase.Remove", "exit");
                }
            }
            return(retVal);
        }
Esempio n. 9
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        /// <summary>
        /// Add the object to the cluster. Does load balancing as well.
        /// </summary>
        /// <param name="key">key of the entry.</param>
        /// <returns>cache entry.</returns>
        /// <remarks>
        /// This method either invokes <see cref="handleAdd"/> on one of the server nodes in the cluster,
        /// or invokes <see cref="Local_Add"/> locally.
        /// </remarks>
        protected CacheAddResult Clustered_Add(ArrayList dests, object key, CacheEntry cacheEntry, OperationContext operationContext)
        {
            CacheAddResult result = CacheAddResult.Failure;

            try
            {
                if (ServerMonitor.MonitorActivity)
                {
                    ServerMonitor.LogClientActivity("RepCacheBase.Add", "enter");
                }

                /// Ask every server to add the object, except myself.
                Function func        = new Function((int)OpCodes.Add, new object[] { key, cacheEntry, operationContext }, false, key);
                Array    userPayLoad = null;
                if (cacheEntry.Value is CallbackEntry)
                {
                    CallbackEntry cbEntry = ((CallbackEntry)cacheEntry.Value);
                    userPayLoad = cbEntry.UserData;
                }
                else
                {
                    userPayLoad = cacheEntry.UserData;
                }

                func.UserPayload = userPayLoad;
                RspList results = Cluster.BroadcastToMultiple(dests,
                                                              func,
                                                              GroupRequest.GET_ALL, _asyncOperation);

                ClusterHelper.ValidateResponses(results, typeof(CacheAddResult), Name);

                /// Check if the operation failed on any node.
                result = ClusterHelper.FindAtomicAddStatusReplicated(results);
            }
            catch (CacheException e)
            {
                throw;
            }
            catch (Exception e)
            {
                throw new GeneralFailureException(e.Message, e);
            }
            finally
            {
                if (ServerMonitor.MonitorActivity)
                {
                    ServerMonitor.LogClientActivity("RepCacheBase.Add", "exit");
                }
            }
            return(result);
        }
Esempio n. 10
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        /// <summary>
        /// Retrieve the list of keys fron the cache for the given group or sub group.
        /// </summary>
        protected Hashtable Clustered_GetData(ArrayList dests, string group, string subGroup, OperationContext operationContext)
        {
            Hashtable table = new Hashtable();

            try
            {
                Function func = new Function((int)OpCodes.GetData, new object[] { group, subGroup, operationContext }, true);
                func.Cancellable = true;
                RspList results = Cluster.Multicast(dests, func, GroupRequest.GET_ALL, false);
                if (results == null)
                {
                    return(null);
                }

                ClusterHelper.ValidateResponses(results, typeof(HashVector), Name);
                IList rspList = ClusterHelper.GetAllNonNullRsp(results, typeof(HashVector));

                if (rspList.Count <= 0)
                {
                    return(null);
                }
                else
                {
                    IEnumerator im = rspList.GetEnumerator();
                    while (im.MoveNext())
                    {
                        Rsp       rsp    = (Rsp)im.Current;
                        Hashtable cTable = (Hashtable)rsp.Value;
                        if (cTable != null)
                        {
                            IDictionaryEnumerator ide = cTable.GetEnumerator();
                            while (ide.MoveNext())
                            {
                                table[ide.Key] = ide.Value;
                            }
                        }
                    }
                }
            }
            catch (CacheException e)
            {
                throw;
            }
            catch (Exception e)
            {
                throw new GeneralFailureException(e.Message, e);
            }

            return(table);
        }
Esempio n. 11
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        protected ArrayList Clustered_GetKeysByTag(ArrayList dests, string[] tags, TagComparisonType comparisonType, bool excludeSelf, OperationContext operationContext)
        {
            ArrayList keys = new ArrayList();

            try
            {
                Function func = new Function((int)OpCodes.GetKeysByTag, new object[] { tags, comparisonType, operationContext }, excludeSelf);
                func.Cancellable = true;
                RspList results = Cluster.Multicast(dests, func, GroupRequest.GET_ALL, false, Cluster.Timeout * 10);
                if (results == null)
                {
                    return(null);
                }

                ClusterHelper.ValidateResponses(results, typeof(ArrayList), Name);
                IList rspList = ClusterHelper.GetAllNonNullRsp(results, typeof(ClusteredArrayList));

                if (rspList.Count <= 0)
                {
                    return(null);
                }
                else
                {
                    IEnumerator im = rspList.GetEnumerator();
                    while (im.MoveNext())
                    {
                        Rsp         rsp     = (Rsp)im.Current;
                        ICollection entries = (ICollection)rsp.Value;
                        if (entries != null)
                        {
                            IEnumerator ide = entries.GetEnumerator();
                            while (ide.MoveNext())
                            {
                                keys.Add(ide.Current);
                            }
                        }
                    }
                }

                return(keys);
            }
            catch (CacheException e)
            {
                throw;
            }
            catch (Exception e)
            {
                throw new GeneralFailureException(e.Message, e);
            }
        }
Esempio n. 12
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        protected Hashtable Clustered_GetTag(ArrayList dests, string[] tags, TagComparisonType comparisonType, bool excludeSelf, OperationContext operationContext)
        {
            Hashtable keyValues = new Hashtable();

            try
            {
                Function func = new Function((int)OpCodes.GetTag, new object[] { tags, comparisonType, operationContext }, excludeSelf);
                func.Cancellable = true;
                RspList results = Cluster.BroadcastToMultiple(dests, func, GroupRequest.GET_ALL, false);
                if (results == null)
                {
                    return(null);
                }

                ClusterHelper.ValidateResponses(results, typeof(HashVector), Name);
                IList rspList = ClusterHelper.GetAllNonNullRsp(results, typeof(HashVector));

                if (rspList.Count <= 0)
                {
                    return(null);
                }
                else
                {
                    IEnumerator im = rspList.GetEnumerator();
                    while (im.MoveNext())
                    {
                        Rsp         rsp     = (Rsp)im.Current;
                        IDictionary entries = (IDictionary)rsp.Value;
                        if (entries != null)
                        {
                            IDictionaryEnumerator ide = entries.GetEnumerator();
                            while (ide.MoveNext())
                            {
                                keyValues[ide.Key] = ide.Value;
                            }
                        }
                    }
                }

                return(keyValues);
            }
            catch (CacheException e)
            {
                throw;
            }
            catch (Exception e)
            {
                throw new GeneralFailureException(e.Message, e);
            }
        }
Esempio n. 13
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        /// <summary>
        /// Remove the objects from the cluster.
        /// </summary>
        /// <param name="keys">keys of the entries.</param>
        /// <returns>list of failed keys</returns>
        /// <remarks>
        /// This method invokes <see cref="handleRemove"/> on every server node in the cluster.
        /// </remarks>
        protected Hashtable Clustered_RemoveGroup(string group, string subGroup, bool notify, OperationContext operationContext)
        {
            Hashtable removedEntries = new Hashtable();

            try
            {
                Function func = new Function((int)OpCodes.RemoveGroup, new object[] { group, subGroup, notify, operationContext }, false);
                func.Cancellable = true;
                RspList results = Cluster.BroadcastToServers(func, GroupRequest.GET_ALL, false);

                if (results == null)
                {
                    return(removedEntries);
                }

                ClusterHelper.ValidateResponses(results, typeof(Hashtable), Name);
                IList rspList = ClusterHelper.GetAllNonNullRsp(results, typeof(Hashtable));

                if (rspList.Count <= 0)
                {
                    return(removedEntries);
                }

                IEnumerator ia = rspList.GetEnumerator();
                while (ia.MoveNext())
                {
                    Rsp       rsp     = (Rsp)ia.Current;
                    Hashtable removed = (Hashtable)rsp.Value;

                    IDictionaryEnumerator ide = removed.GetEnumerator();
                    while (ide.MoveNext())
                    {
                        removedEntries.Add(ide.Key, ide.Value);
                    }
                }
            }
            catch (CacheException e)
            {
                throw;
            }
            catch (Exception e)
            {
                throw new GeneralFailureException(e.Message, e);
            }

            return(removedEntries);
        }
Esempio n. 14
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 protected void Clustered_GetNextChunk(ArrayList dests, EnumerationPointer pointer, OperationContext operationContext)
 {
     try
     {
         Function func    = new Function((int)OpCodes.GetNextChunk, new object[] { pointer, operationContext }, true);
         RspList  results = Cluster.BroadcastToMultiple(dests, func, GroupRequest.GET_ALL, false);
         ClusterHelper.ValidateResponses(results, null, Name);
     }
     catch (CacheException e)
     {
         throw;
     }
     catch (Exception e)
     {
         throw new GeneralFailureException(e.Message, e);
     }
 }
Esempio n. 15
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        /// <summary>
        /// Retrieve the list of keys fron the cache for the given group or sub group.
        /// </summary>
        protected ArrayList Clustered_GetKeys(ArrayList dests, string group, string subGroup)
        {
            ArrayList list = new ArrayList();

            try
            {
                Function func = new Function((int)OpCodes.GetKeys, new object[] { group, subGroup }, true);
                func.Cancellable = true;
                RspList results = Cluster.Multicast(dests, func, GroupRequest.GET_ALL, false);
                if (results == null)
                {
                    return(null);
                }

                ClusterHelper.ValidateResponses(results, typeof(ArrayList), Name);
                IList rspList = ClusterHelper.GetAllNonNullRsp(results, typeof(ClusteredArrayList));

                if (rspList.Count <= 0)
                {
                    return(null);
                }
                else
                {
                    IEnumerator im = rspList.GetEnumerator();
                    while (im.MoveNext())
                    {
                        Rsp       rsp   = (Rsp)im.Current;
                        ArrayList cList = (ArrayList)rsp.Value;
                        if (cList != null)
                        {
                            list.AddRange(cList);
                        }
                    }
                }
            }
            catch (CacheException e)
            {
                throw;
            }
            catch (Exception e)
            {
                throw new GeneralFailureException(e.Message, e);
            }
            return(list);
        }
Esempio n. 16
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        protected QueryResultSet Clustered_Search(ArrayList dests, string queryText, IDictionary values, bool excludeSelf, OperationContext operationContext)
        {
            QueryResultSet resultSet = new QueryResultSet();

            try
            {
                Function func    = new Function((int)OpCodes.Search, new object[] { queryText, values, operationContext }, excludeSelf);
                RspList  results = Cluster.BroadcastToMultiple(dests, func, GroupRequest.GET_ALL, false);

                if (results == null)
                {
                    return(null);
                }

                ClusterHelper.ValidateResponses(results, typeof(QueryResultSet), Name);
                ArrayList rspList = ClusterHelper.GetAllNonNullRsp(results, typeof(QueryResultSet));

                if (rspList.Count <= 0)
                {
                    return(null);
                }
                else
                {
                    IEnumerator im = rspList.GetEnumerator();
                    while (im.MoveNext())
                    {
                        Rsp            rsp         = (Rsp)im.Current;
                        QueryResultSet cRestultSet = (QueryResultSet)rsp.Value;
                        resultSet.Compile(cRestultSet);
                    }
                }

                return(resultSet);
            }
            catch (CacheException e)
            {
                throw;
            }
            catch (Exception e)
            {
                throw new GeneralFailureException(e.Message, e);
            }
        }
Esempio n. 17
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        protected bool Clustered_Lock(object key, LockExpiration lockExpiration, ref object lockId, ref DateTime lockDate, OperationContext operationContext)
        {
            try
            {
                if (ServerMonitor.MonitorActivity)
                {
                    ServerMonitor.LogClientActivity("RepCacheBase.Lock", "enter");
                }
                Function func = new Function((int)OpCodes.LockKey, new object[] { key, lockId, lockDate, lockExpiration, operationContext }, false);

                RspList results = Cluster.BroadcastToMultiple(Cluster.Servers,
                                                              func,
                                                              GroupRequest.GET_ALL);

                try
                {
                    ClusterHelper.ValidateResponses(results, typeof(LockOptions), Name);
                }
                catch (LockingException le)
                {
                    //release the lock preemptively...
                    Clustered_UnLock(key, null, true, operationContext);
                    return(false);
                }

                return(ClusterHelper.FindAtomicLockStatusReplicated(results, ref lockId, ref lockDate));
            }
            catch (CacheException e)
            {
                throw;
            }
            catch (Exception e)
            {
                throw new GeneralFailureException(e.Message, e);
            }
            finally
            {
                if (ServerMonitor.MonitorActivity)
                {
                    ServerMonitor.LogClientActivity("RepCacheBase.Lock", "exit");
                }
            }
        }
Esempio n. 18
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        protected CacheInsResultWithEntry Clustered_Insert(ArrayList dests, object key, CacheEntry cacheEntry, object lockId, LockAccessType accessType, OperationContext operationContext)
        {
            try
            {
                if (ServerMonitor.MonitorActivity)
                {
                    ServerMonitor.LogClientActivity("RepCacheBase.Insert", "enter");
                }


                /// Ask every server to update the object, except myself.
                Function func        = new Function((int)OpCodes.Insert, new object[] { key, cacheEntry, _statusLatch.IsAnyBitsSet(NodeStatus.Initializing), lockId, accessType, operationContext }, false, key);
                Array    userPayLoad = null;
                if (cacheEntry.Value is CallbackEntry)
                {
                    CallbackEntry cbEntry = ((CallbackEntry)cacheEntry.Value);
                    userPayLoad = cbEntry.UserData;
                }
                else
                {
                    userPayLoad = cacheEntry.UserData;
                }

                func.UserPayload = userPayLoad;
                RspList results = Cluster.BroadcastToMultiple(dests,
                                                              func,
                                                              GroupRequest.GET_ALL, _asyncOperation);

                ClusterHelper.ValidateResponses(results, typeof(OperationResponse), Name);

                //Bug Fixed, during state transfer (one node up with the exisiting one) of replicated cache,
                //while client doing insert operaion continously, which incrementing the add/sec counter while the client only performing insert
                //means no need to incrment add/sec counter, need only updat/sec to be incremented
                //so after discussing with QA, we modify the code here.
                CacheInsResultWithEntry retVal = ClusterHelper.FindAtomicInsertStatusReplicated(results);
                if (retVal != null && retVal.Result == CacheInsResult.Success && results != null)
                {
                    for (int i = 0; i < results.Results.Count; i++)
                    {
                        if (((CacheInsResultWithEntry)((OperationResponse)results.Results[i]).SerializablePayload).Result == CacheInsResult.SuccessOverwrite)
                        {
                            retVal.Result = CacheInsResult.SuccessOverwrite;
                            break;
                        }
                    }
                }
                return(retVal);
            }
            catch (CacheException e)
            {
                throw;
            }
            catch (Exception e)
            {
                throw new GeneralFailureException(e.Message, e);
            }
            finally
            {
                if (ServerMonitor.MonitorActivity)
                {
                    ServerMonitor.LogClientActivity("RepCacheBase.Insert", "exit");
                }
            }
        }