/// <summary>
/// Responsible for updating/inserting an object to the data source. The Key and the
/// object are passed as parameter.
/// </summary>
/// <param name="key"></param>
/// <param name="val"></param>
/// <returns>-1 if writer is null, 0 if user operation returned false, 1 if successful</returns>
private OperationResult WriteThru(WriteOperation writeOp, OperationContext operationContext)
{
OperationResult result = null;
if (_dsWriter == null)
{
return(result);
}
Stopwatch writeThruWatch = new Stopwatch();
writeThruWatch.Start();
if (operationContext.Contains(OperationContextFieldName.MethodOverload))
{
writeOp.MethodOverlaod = (int)operationContext.GetValueByField(OperationContextFieldName.MethodOverload);
}
result = _dsWriter.WriteToDataSource(writeOp);
writeThruWatch.Stop();
double elapsedByWriteThru = writeThruWatch.Elapsed.TotalSeconds;
if (elapsedByWriteThru > ServiceConfiguration.CommandExecutionThreshold &&
ServiceConfiguration.EnableCommandThresholdLogging)
{
if (_context.NCacheLog != null)
{
_context.NCacheLog.Warn("WriteThruProviderMgr.WriteThru",
"WriteThru took " + elapsedByWriteThru + " seconds to complete. Which is longer than expected.");
}
}
return(result);
}
/// <summary>
///
/// </summary>
/// <param name="keys"></param>
/// <param name="exh"></param>
/// <param name="evh"></param>
/// <returns></returns>
public Dictionary <string, ProviderCacheItem> ReadThru(string[] keys, OperationContext operationContext)
{
Dictionary <string, ProviderCacheItem> cacheItems = null;
try
{
if (_dsReader is ICustomReadThru)
{
if (operationContext.Contains(OperationContextFieldName.ReadThru))
{
((ICustomReadThru)_dsReader).DoReadThru =
Convert.ToBoolean(operationContext.GetValueByField(OperationContextFieldName.ReadThru));
}
if (operationContext.Contains(OperationContextFieldName.ReadThru))
{
((ICustomReadThru)_dsReader).ProviderName =
operationContext.GetValueByField(OperationContextFieldName.ReadThruProviderName) as string;
}
}
System.Diagnostics.Stopwatch readThruWatch = new System.Diagnostics.Stopwatch();
readThruWatch.Start();
cacheItems = _dsReader.LoadFromSource(keys);
readThruWatch.Stop();
double elapsedByReadThru = readThruWatch.Elapsed.TotalSeconds;
if (elapsedByReadThru > ServiceConfiguration.CommandExecutionThreshold &&
ServiceConfiguration.EnableCommandThresholdLogging)
{
if (_context.NCacheLog != null)
{
_context.NCacheLog.Warn("ReadthruProviderMgr.ReadThru",
"ReadThru took " + elapsedByReadThru +
" seconds to complete. Which is longer than expected.");
}
}
this._context.PerfStatsColl.IncrementReadThruPerSecBy(keys.Length);
}
catch (Exception e)
{
}
return(cacheItems);
}
private void AddNamedTag(object key, Hashtable value, CacheEntry entry, OperationContext operationContext)
{
string type = value["type"] as string;
Hashtable tagsList = ((Hashtable)value["named-tags-list"]).Clone() as Hashtable;
if (tagsList != null && type != null)
{
Hashtable metaInfoAttribs = (Hashtable)tagsList.Clone();
IQueryIndex index;
lock (_indexMap.SyncRoot)
{
if (!_indexMap.Contains(type))
{
if (_sharedAttributeIndex != null && _sharedAttributeIndex.ContainsKey(type))
{
AttributeIndex tempAttrib = _sharedAttributeIndex[type];
tempAttrib.Initialize(new ArrayList());
_indexMap.Add(type, tempAttrib);
}
else
{
_indexMap[type] = new AttributeIndex(null, _cacheName, type, true);
}
}
index = _indexMap[type] as IQueryIndex;
if (index != null)
{
long prevSize = index.IndexInMemorySize;
index.AddToIndex(key, new QueryItemContainer(entry, tagsList));
_queryIndexMemorySize += index.IndexInMemorySize - prevSize;
}
}
if (operationContext.Contains(OperationContextFieldName.IndexMetaInfo))
{
MetaInformation metaInformation =
(MetaInformation)operationContext.GetValueByField(OperationContextFieldName.IndexMetaInfo);
metaInformation.Add(metaInfoAttribs);
}
else
{
MetaInformation metaInformation = new MetaInformation(metaInfoAttribs);
metaInformation.CacheKey = key as string;
metaInformation.Type = value["type"] as string;
operationContext.Add(OperationContextFieldName.IndexMetaInfo, metaInformation);
entry.ObjectType = value["type"] as string;
}
}
}
/// <summary>
/// Retrieve the object from the cluster.
/// </summary>
/// <param name="key">key of the entry.</param>
/// <param name="excludeSelf">Set false to do a complete cluster lookup.</param>
/// <returns>cache entry.</returns>
protected CacheEntry Clustered_Get(Address address, object key, ref object lockId, ref DateTime lockDate, LockAccessType accessType, OperationContext operationContext)
{
CacheEntry retVal = null;
try
{
if (operationContext.Contains(OperationContextFieldName.IsClusteredOperation))
{
throw new InvalidReaderException("Reader state has been lost due to state transfer.");
}
if (ServerMonitor.MonitorActivity)
{
ServerMonitor.LogClientActivity("RepCacheBase.Get", "enter");
}
Function func = new Function((int)OpCodes.Get, new object[] { key, operationContext });
object result = Cluster.SendMessage(address, func, GroupRequest.GET_FIRST, false);
if (result == null)
{
return(retVal);
}
retVal = (CacheEntry)((OperationResponse)result).SerializablePayload;
if (retVal != null)
{
retVal.Value = ((OperationResponse)result).UserPayload;
}
}
catch (CacheException e)
{
throw;
}
catch (Exception e)
{
throw new GeneralFailureException(e.Message, e);
}
finally
{
if (ServerMonitor.MonitorActivity)
{
ServerMonitor.LogClientActivity("RepCacheBase.Get", "exit");
}
}
return(retVal);
}
internal override CacheEntry GetInternal(object key, bool isUserOperation, OperationContext operationContext)
{
CacheEntry entry = base.GetInternal(key, isUserOperation, operationContext);
if (entry != null)
{
if (operationContext != null)
{
if (operationContext.Contains(OperationContextFieldName.GenerateQueryInfo))
{
if (entry.ObjectType != null)
{
CacheEntry clone = (CacheEntry)entry.Clone();
clone.QueryInfo = _queryIndexManager.GetQueryInfo(key, entry);
return(clone);
}
}
}
}
return(entry);
}
/// <summary>
/// Removes the object and key pair from the cache. The key is specified as parameter.
/// Moreover it take a removal reason and a boolean specifying if a notification should
/// be raised.
/// </summary>
/// <param name="key">key of the entry.</param>
/// <param name="removalReason">reason for the removal.</param>
/// <param name="notify">boolean specifying to raise the event.</param>
/// <param name="isUserOperation"></param>
/// <param name="lockId"></param>
/// <param name="accessType"></param>
/// <param name="operationContext"></param>
/// <returns>item value</returns>
public override CacheEntry Remove(object key, ItemRemoveReason removalReason, bool notify, bool isUserOperation, object lockId, LockAccessType accessType, OperationContext operationContext)
{
CacheEntry e = null;
CacheEntry pe = null;
{
object actualKey = key;
if (key is object[])
{
actualKey = ((object[])key)[0];
}
if (accessType != LockAccessType.IGNORE_LOCK)
{
pe = GetInternal(actualKey, false, operationContext);
if (pe != null)
{
if (pe.IsItemLocked() && !pe.CompareLock(lockId))
{
throw new LockingException("Item is locked.");
}
}
}
e = RemoveInternal(actualKey, removalReason, isUserOperation, operationContext);
EventId eventId = null;
EventContext eventContext = null;
OperationID opId = operationContext.OperatoinID;
if (e != null)
{
if (_stateTransferKeyList != null && _stateTransferKeyList.ContainsKey(key))
_stateTransferKeyList.Remove(key);
// commented by muds
try
{
if (e.ExpirationHint != null)
{
_context.ExpiryMgr.RemoveFromIndex(key);
((IDisposable)e.ExpirationHint).Dispose();
}
}
catch (Exception ex)
{
NCacheLog.Error("LocalCacheBase.Remove(object, ItemRemovedReason, bool):", ex.ToString());
}
if (IsSelfInternal)
{
// Disposed the one and only cache entry.
((IDisposable)e).Dispose();
if (removalReason == ItemRemoveReason.Expired)
{
_context.PerfStatsColl.IncrementExpiryPerSecStats();
}
else if (!_context.CacheImpl.IsEvictionAllowed && removalReason == ItemRemoveReason.Underused)
{
_context.PerfStatsColl.IncrementEvictPerSecStats();
}
_context.PerfStatsColl.IncrementCountStats((long)Count);
}
if (notify)
{
CallbackEntry cbEtnry = e.Value as CallbackEntry;// e.DeflattedValue(_context.SerializationContext);
if (cbEtnry != null && cbEtnry.ItemRemoveCallbackListener != null && cbEtnry.ItemRemoveCallbackListener.Count > 0)
{
//generate event id
if (!operationContext.Contains(OperationContextFieldName.EventContext)) //for atomic operations
{
eventId = EventId.CreateEventId(opId);
}
else //for bulk
{
eventId = ((EventContext)operationContext.GetValueByField(OperationContextFieldName.EventContext)).EventID;
}
eventId.EventType = EventType.ITEM_REMOVED_CALLBACK;
eventContext = new EventContext();
eventContext.Add(EventContextFieldName.EventID, eventId);
EventCacheEntry eventCacheEntry = CacheHelper.CreateCacheEventEntry(cbEtnry.ItemRemoveCallbackListener, e);
eventContext.Item = eventCacheEntry;
eventContext.Add(EventContextFieldName.ItemRemoveCallbackList, cbEtnry.ItemRemoveCallbackListener.Clone());
//Will always reaise the whole entry for old clients
NotifyCustomRemoveCallback(actualKey, e, removalReason, false, (OperationContext)operationContext.Clone(), eventContext);
}
}
}
else if (_stateTransferKeyList != null && _stateTransferKeyList.ContainsKey(key))
{
_stateTransferKeyList.Remove(key);
}
}
_stats.UpdateCount(this.Count);
if (_context.PerfStatsColl != null)
{
_context.PerfStatsColl.SetCacheSize(Size);
}
return e;
}
/// <summary>
/// Adds a pair of key and value to the cache. If the specified key already exists
/// in the cache; it is updated, otherwise a new item is added to the cache.
/// </summary>
/// <param name="key">key of the entry.</param>
/// <param name="cacheEntry">the cache entry.</param>
/// <returns>returns the result of operation.</returns>
public sealed override CacheInsResultWithEntry Insert(object key, CacheEntry cacheEntry, bool notify, bool isUserOperation, object lockId, LockAccessType access, OperationContext operationContext)
{
CacheInsResultWithEntry result = new CacheInsResultWithEntry();
try
{
CacheEntry pe = null;
CallbackEntry cbEtnry = null;
OperationID opId = operationContext.OperatoinID;
EventId eventId = null;
EventContext eventContext = null;
pe = GetInternal(key, false, operationContext);
result.Entry = pe;
if (pe != null && access != LockAccessType.IGNORE_LOCK)
{
{
if (access == LockAccessType.RELEASE || access == LockAccessType.DONT_RELEASE)
{
if (pe.IsItemLocked() && !pe.CompareLock(lockId))
{
result.Result = CacheInsResult.ItemLocked;
result.Entry = null;
return result;
}
}
if (access == LockAccessType.DONT_RELEASE)
{
cacheEntry.CopyLock(pe.LockId, pe.LockDate, pe.LockExpiration);
}
else
{
cacheEntry.ReleaseLock();
}
}
}
ExpirationHint peExh = pe == null ? null : pe.ExpirationHint;
if (pe != null && pe.Value is CallbackEntry)
{
cbEtnry = pe.Value as CallbackEntry;
cacheEntry = CacheHelper.MergeEntries(pe, cacheEntry);
}
result.Result = InsertInternal(key, cacheEntry, isUserOperation, pe, operationContext);
if ((result.Result == CacheInsResult.Success || result.Result == CacheInsResult.SuccessNearEvicition) && _stateTransferKeyList != null &&
_stateTransferKeyList.ContainsKey(key))
{
result.Result = result.Result == CacheInsResult.Success ? CacheInsResult.SuccessOverwrite : CacheInsResult.SuccessOverwriteNearEviction;
}
// Not enough space, evict and try again.
if (result.Result == CacheInsResult.NeedsEviction || result.Result == CacheInsResult.SuccessNearEvicition
|| result.Result == CacheInsResult.SuccessOverwriteNearEviction)
{
Evict();
if (result.Result == CacheInsResult.SuccessNearEvicition) result.Result = CacheInsResult.Success;
if (result.Result == CacheInsResult.SuccessOverwriteNearEviction) result.Result = CacheInsResult.SuccessOverwrite;
}
// Operation completed!
if (result.Result == CacheInsResult.Success || result.Result == CacheInsResult.SuccessOverwrite)
{
// commented by muds
//remove the old hint from expiry index.
if (peExh != null)
_context.ExpiryMgr.RemoveFromIndex(key);
if (cacheEntry.ExpirationHint != null)
{
cacheEntry.ExpirationHint.CacheKey = (string)key;
if (isUserOperation)
{
try
{
_context.ExpiryMgr.ResetHint(peExh, cacheEntry.ExpirationHint);
}
catch (Exception e)
{
RemoveInternal(key, ItemRemoveReason.Removed, false, operationContext);
throw e;
}
}
else
{
cacheEntry.ExpirationHint.ReInitializeHint(Context);
}
_context.ExpiryMgr.UpdateIndex(key, cacheEntry);
}
if (IsSelfInternal)
{
_context.PerfStatsColl.IncrementCountStats((long)Count);
}
}
_stats.UpdateCount(this.Count);
switch (result.Result)
{
case CacheInsResult.Success:
break;
case CacheInsResult.SuccessOverwrite:
if (notify)
{
EventCacheEntry eventCacheEntry = CacheHelper.CreateCacheEventEntry(Runtime.Events.EventDataFilter.DataWithMetadata, cacheEntry); ;
EventCacheEntry oldEventCacheEntry = CacheHelper.CreateCacheEventEntry(Runtime.Events.EventDataFilter.DataWithMetadata, pe);
if (cbEtnry != null)
{
if (cbEtnry.ItemUpdateCallbackListener != null && cbEtnry.ItemUpdateCallbackListener.Count > 0)
{
if (!operationContext.Contains(OperationContextFieldName.EventContext)) //for atomic operations
{
eventId = EventId.CreateEventId(opId);
eventContext = new EventContext();
}
else //for bulk
{
eventId = ((EventContext)operationContext.GetValueByField(OperationContextFieldName.EventContext)).EventID;
}
eventContext = new EventContext();
eventId.EventType = EventType.ITEM_UPDATED_CALLBACK;
eventContext.Add(EventContextFieldName.EventID, eventId);
eventContext.Item = eventCacheEntry;
eventContext.OldItem = oldEventCacheEntry;
NotifyCustomUpdateCallback(key, cbEtnry.ItemUpdateCallbackListener, false, (OperationContext)operationContext.Clone(), eventContext);
}
}
}
break;
}
}
finally
{
}
if (_context.PerfStatsColl != null)
{
_context.PerfStatsColl.SetCacheSize(Size);
}
return result;
}
internal override CacheEntry GetInternal(object key, bool isUserOperation, OperationContext operationContext)
{
CacheEntry entry = base.GetInternal(key, isUserOperation, operationContext);
if (entry != null)
{
if (operationContext != null)
{
if (operationContext.Contains(OperationContextFieldName.GenerateQueryInfo))
{
if (entry.ObjectType != null)
{
CacheEntry clone = (CacheEntry)entry.Clone();
clone.QueryInfo = _queryIndexManager.GetQueryInfo(key, entry);
return clone;
}
}
}
}
return entry;
}
protected EventContext CreateEventContext(OperationContext operationContext, Alachisoft.NCache.Persistence.EventType eventType)
{
EventContext eventContext = new EventContext();
OperationID opId = operationContext != null ? operationContext.OperatoinID : null;
//generate event id
if (operationContext == null || !operationContext.Contains(OperationContextFieldName.EventContext)) //for atomic operations
{
eventContext.EventID = EventId.CreateEventId(opId);
}
else //for bulk
{
eventContext.EventID = ((EventContext)operationContext.GetValueByField(OperationContextFieldName.EventContext)).EventID;
}
eventContext.EventID.EventType = eventType;
return eventContext;
}
//PROTOBUF
public override void ExecuteCommand(ClientManager clientManager, Alachisoft.NCache.Common.Protobuf.Command command)
{
NCache nCache = clientManager.CmdExecuter as NCache;
int overload;
long dataLength = 0;
string exception = null;
bool itemUpdated = false;
bool itemRemove = false;
Stopwatch stopWatch = new Stopwatch();
stopWatch.Start();
try
{
try
{
overload = command.MethodOverload;
serializationContext = nCache.CacheId;
cmdInfo = base.ParseCommand(command, clientManager, serializationContext);
}
catch (System.Exception exc)
{
_addResult = OperationResult.Failure;
{
//PROTOBUF:RESPONSE
_serializedResponsePackets.Add(Alachisoft.NCache.Common.Util.ResponseHelper.SerializeExceptionResponseWithType(exc, command.requestID, command.commandID, clientManager.ClientVersion));
}
return;
}
Notifications callbackEntry = null;
if (cmdInfo.UpdateCallbackId != -1 || cmdInfo.RemoveCallbackId != -1 || (!cmdInfo.RequestId.Equals("-1") && cmdInfo.DoAsync) || cmdInfo.DsItemAddedCallbackId != -1)
{
if (cmdInfo.RemoveCallbackId != -1)
{
itemRemove = true;
}
if (cmdInfo.UpdateCallbackId != -1)
{
itemUpdated = true;
}
callbackEntry = new Notifications(!string.IsNullOrEmpty(cmdInfo.ClientID) ? cmdInfo.ClientID : clientManager.ClientID,
Convert.ToInt32(cmdInfo.RequestId),
cmdInfo.RemoveCallbackId,
cmdInfo.UpdateCallbackId,
(short)(cmdInfo.RequestId == -1 ? -1 : 0),
cmdInfo.DsItemAddedCallbackId,
(EventDataFilter)cmdInfo.UpdateDataFilter,
(EventDataFilter)cmdInfo.RemoveDataFilter);
}
UserBinaryObject data = cmdInfo.value as UserBinaryObject;
if (data != null)
{
dataLength = data.Length;
}
if (!cmdInfo.DoAsync)
{
OperationContext operationContext = null;
try
{
operationContext = _operationContext;
operationContext.Add(OperationContextFieldName.OperationType, OperationContextOperationType.CacheOperation);
CommandsUtil.PopulateClientIdInContext(ref operationContext, clientManager.ClientAddress);
operationContext.Add(OperationContextFieldName.RaiseCQNotification, true);
UInt64 itemVersion = 0;
if (cmdInfo.ItemVersion == 0)
{
itemVersion = (ulong)(DateTime.UtcNow - Common.Util.Time.ReferenceTime).TotalMilliseconds;
}
else
{
itemVersion = cmdInfo.ItemVersion;
}
operationContext.Add(OperationContextFieldName.ItemVersion, itemVersion);
operationContext.Add(OperationContextFieldName.MethodOverload, overload);
operationContext?.MarkInUse(NCModulesConstants.SocketServer);
if (cmdInfo.Group != null)
{
if (string.IsNullOrEmpty(cmdInfo.Type))
{
cmdInfo.Type = oldClientsGroupType;
}
}
nCache.Cache.Add(cmdInfo.Key,
cmdInfo.value,
cmdInfo.ExpirationHint,
cmdInfo.EvictionHint,
cmdInfo.Group,
cmdInfo.SubGroup,
cmdInfo.queryInfo,
cmdInfo.Flag, cmdInfo.ProviderName, cmdInfo.ResyncProviderName, operationContext, null, callbackEntry, cmdInfo.Type);
stopWatch.Stop();
if (operationContext.Contains(OperationContextFieldName.ItemVersion))
{
itemVersion = (ulong)operationContext.GetValueByField(OperationContextFieldName.ItemVersion);
}
_addResponse.itemversion = itemVersion;
if (clientManager.ClientVersion >= 5000)
{
ResponseHelper.SetResponse(_addResponse, command.requestID, command.commandID);
_serializedResponsePackets.Add(ResponseHelper.SerializeResponse(_addResponse, Response.Type.ADD));
}
else
{
//PROTOBUF:RESPONSE
var response = Stash.ProtobufResponse;
response.addResponse = _addResponse;
ResponseHelper.SetResponse(response, command.requestID, command.commandID, Response.Type.ADD);
_serializedResponsePackets.Add(Alachisoft.NCache.Common.Util.ResponseHelper.SerializeResponse(response));
}
}
catch (System.Exception exc)
{
_addResult = 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);
TimeSpan executionTime = stopWatch.Elapsed;
try
{
if (Alachisoft.NCache.Management.APILogging.APILogManager.APILogManger != null && Alachisoft.NCache.Management.APILogging.APILogManager.EnableLogging)
{
APILogItemBuilder log = new APILogItemBuilder(MethodsName.ADD.ToLower());
object toInsert;
if (cmdInfo.value is UserBinaryObject)
{
toInsert = dataLength;
}
else
{
toInsert = cmdInfo.DataFormatValue;
}
Hashtable expirationHint = log.GetDependencyExpirationAndQueryInfo(cmdInfo.ExpirationHint, cmdInfo.queryInfo);
log.GenerateADDInsertAPILogItem(cmdInfo.Key, toInsert, expirationHint["dependency"] != null ? expirationHint["dependency"] as ArrayList : null, expirationHint["absolute-expiration"] != null ? (long)expirationHint["absolute-expiration"] : -1, expirationHint["sliding-expiration"] != null ? (long)expirationHint["sliding-expiration"] : -1, cmdInfo.EvictionHint.Priority, expirationHint["tag-info"] != null ? expirationHint["tag-info"] as Hashtable : null, cmdInfo.Group, cmdInfo.SubGroup, cmdInfo.Flag, cmdInfo.ProviderName, cmdInfo.ResyncProviderName, false, expirationHint["named-tags"] != null ? expirationHint["named-tags"] as Hashtable : null, cmdInfo.UpdateCallbackId, cmdInfo.DsItemAddedCallbackId, false, itemUpdated, itemRemove, overload, exception, executionTime, clientManager.ClientID, clientManager.ClientSocketId.ToString());
}
}
catch { }
}
}
else
{
OperationContext operationContext = null;
try
{
operationContext = new OperationContext(OperationContextFieldName.OperationType, OperationContextOperationType.CacheOperation);
operationContext.Add(OperationContextFieldName.WriteThru, cmdInfo.Flag.IsBitSet(BitSetConstants.WriteThru));
operationContext.Add(OperationContextFieldName.WriteBehind, cmdInfo.Flag.IsBitSet(BitSetConstants.WriteBehind));
if (cmdInfo.ProviderName != null)
{
operationContext.Add(OperationContextFieldName.WriteThruProviderName, cmdInfo.ProviderName);
}
operationContext.Add(OperationContextFieldName.RaiseCQNotification, true);
UInt64 itemVersion = 0;
if (cmdInfo.ItemVersion == 0)
{
itemVersion = (ulong)(DateTime.UtcNow - Common.Util.Time.ReferenceTime).TotalMilliseconds;
}
else
{
itemVersion = cmdInfo.ItemVersion;
}
operationContext.Add(OperationContextFieldName.ItemVersion, itemVersion);
operationContext.Add(OperationContextFieldName.MethodOverload, overload);
operationContext.MarkInUse(NCModulesConstants.SocketServer);
bool onAsyncCall = false;
if (callbackEntry != null)
{
onAsyncCall = true;
}
if (cmdInfo.Group != null)
{
if (string.IsNullOrEmpty(cmdInfo.Type))
{
cmdInfo.Type = oldClientsGroupType;
}
}
// Fetching this from pool to avoid value corruption for eviction hint for old
cmdInfo.EvictionHint = Caching.EvictionPolicies.PriorityEvictionHint.Create(
clientManager.CacheTransactionalPool, cmdInfo.EvictionHint.Priority
);
nCache.Cache.AddAsync(cmdInfo.Key,
cmdInfo.value,
cmdInfo.ExpirationHint,
cmdInfo.EvictionHint,
cmdInfo.Group,
cmdInfo.SubGroup,
cmdInfo.Flag,
cmdInfo.queryInfo, cmdInfo.ProviderName, operationContext, callbackEntry, cmdInfo.Type);
stopWatch.Stop();
TimeSpan executionTime = stopWatch.Elapsed;
try
{
if (Alachisoft.NCache.Management.APILogging.APILogManager.APILogManger != null && Alachisoft.NCache.Management.APILogging.APILogManager.EnableLogging)
{
APILogItemBuilder log = new APILogItemBuilder(MethodsName.ADDASYNC.ToLower());
Hashtable expirationHint = log.GetDependencyExpirationAndQueryInfo(cmdInfo.ExpirationHint, cmdInfo.queryInfo);
object toInsert;
if (cmdInfo.value is UserBinaryObject)
{
toInsert = dataLength;
}
else
{
toInsert = cmdInfo.DataFormatValue;
}
log.GenerateADDInsertAPILogItem(cmdInfo.Key, toInsert, expirationHint["dependency"] != null ? expirationHint["dependency"] as ArrayList : null, expirationHint["absolute-expiration"] != null ? (long)expirationHint["absolute-expiration"] : -1, expirationHint["sliding-expiration"] != null ? (long)expirationHint["sliding-expiration"] : -1, cmdInfo.EvictionHint.Priority, expirationHint["tag-info"] != null ? expirationHint["tag-info"] as Hashtable : null, cmdInfo.Group, cmdInfo.SubGroup, cmdInfo.Flag, cmdInfo.ProviderName, cmdInfo.ResyncProviderName, false, expirationHint["named-tags"] != null ? expirationHint["named-tags"] as Hashtable : null, cmdInfo.UpdateCallbackId, cmdInfo.DsItemAddedCallbackId, onAsyncCall, itemUpdated, itemRemove, overload, exception, executionTime, clientManager.ClientID, clientManager.ClientSocketId.ToString());
}
}
catch { }
}
finally
{
operationContext?.MarkFree(NCModulesConstants.SocketServer);
}
}
}
finally
{
cmdInfo.Flag?.MarkFree(NCModulesConstants.SocketServer);
}
}
public override object RemoveSync(object[] keys, ItemRemoveReason reason, bool notify, OperationContext operationContext)
{
ArrayList depenedentItemList = new ArrayList();
try
{
Hashtable totalRemovedItems = new Hashtable();
CacheEntry entry = null;
IDictionaryEnumerator ide = null;
for (int i = 0; i < keys.Length; i++)
{
try
{
if (keys[i] != null)
{
entry = Internal.Remove(keys[i], reason, false, null, LockAccessType.IGNORE_LOCK, operationContext);
}
if (entry != null)
{
totalRemovedItems.Add(keys[i], entry);
}
}
catch (Exception ex)
{
}
}
ide = totalRemovedItems.GetEnumerator();
while (ide.MoveNext())
{
try
{
entry = ide.Value as CacheEntry;
if (entry != null)
{
if (entry.Value is CallbackEntry)
{
EventId eventId = null;
OperationID opId = operationContext.OperatoinID;
CallbackEntry cbEtnry = (CallbackEntry)entry.Value;
EventContext eventContext = null;
if (cbEtnry != null && cbEtnry.ItemRemoveCallbackListener != null && cbEtnry.ItemRemoveCallbackListener.Count > 0)
{
//generate event id
if (!operationContext.Contains(OperationContextFieldName.EventContext)) //for atomic operations
{
eventId = EventId.CreateEventId(opId);
}
else //for bulk
{
eventId = ((EventContext)operationContext.GetValueByField(OperationContextFieldName.EventContext)).EventID;
}
eventId.EventType = EventType.ITEM_REMOVED_CALLBACK;
eventContext = new EventContext();
eventContext.Add(EventContextFieldName.EventID, eventId);
EventCacheEntry eventCacheEntry = CacheHelper.CreateCacheEventEntry(cbEtnry.ItemRemoveCallbackListener, entry);
eventContext.Item = eventCacheEntry;
eventContext.Add(EventContextFieldName.ItemRemoveCallbackList, cbEtnry.ItemRemoveCallbackListener.Clone());
//Will always reaise the whole entry for old clients
NotifyCustomRemoveCallback(ide.Key, entry, reason, true, operationContext, eventContext);
}
}
}
}
catch (Exception ex)
{
}
}
}
catch (Exception)
{
throw;
}
return(depenedentItemList);
}
public override object RemoveSync(object[] keys, ItemRemoveReason reason, bool notify,
OperationContext operationContext)
{
try
{
Hashtable totalRemovedItems = new Hashtable();
CacheEntry entry = null;
IDictionaryEnumerator ide = null;
if (NCacheLog.IsInfoEnabled)
NCacheLog.Info("PartitionedCache.RemoveSync", "Keys = " + keys.Length.ToString());
for (int i = 0; i < keys.Length; i++)
{
try
{
if (keys[i] != null)
entry = Local_Remove(keys[i], reason, null, null, false, null, LockAccessType.IGNORE_LOCK, operationContext);
if (entry != null)
{
totalRemovedItems.Add(keys[i], entry);
}
}
catch (Exception ex)
{
throw;
}
}
ArrayList keysOfRemoveNotification = new ArrayList();
ArrayList entriesOfRemoveNotification = new ArrayList();
List<EventContext> eventContexts = new List<EventContext>();
int sizeThreshhold = 30*1024;
int countThreshhold = 50;
int size = 0;
ide = totalRemovedItems.GetEnumerator();
while (ide.MoveNext())
{
try
{
entry = ide.Value as CacheEntry;
if (entry != null)
{
if (entry.Value is CallbackEntry)
{
EventId eventId = null;
OperationID opId = operationContext.OperatoinID;
CallbackEntry cbEtnry = (CallbackEntry) entry.Value;
EventContext eventContext = null;
if (cbEtnry != null && cbEtnry.ItemRemoveCallbackListener != null &&
cbEtnry.ItemRemoveCallbackListener.Count > 0)
{
//generate event id
if (!operationContext.Contains(OperationContextFieldName.EventContext))
//for atomic operations
{
eventId = EventId.CreateEventId(opId);
}
else //for bulk
{
eventId =
((EventContext)
operationContext.GetValueByField(OperationContextFieldName.EventContext))
.EventID;
}
eventId.EventType = Alachisoft.NCache.Persistence.EventType.ITEM_REMOVED_CALLBACK;
eventContext = new EventContext();
eventContext.Add(EventContextFieldName.EventID, eventId);
EventCacheEntry eventCacheEntry =
CacheHelper.CreateCacheEventEntry(cbEtnry.ItemRemoveCallbackListener, entry);
eventContext.Item = eventCacheEntry;
eventContext.Add(EventContextFieldName.ItemRemoveCallbackList,
cbEtnry.ItemRemoveCallbackListener.Clone());
RaiseAsyncCustomRemoveCalbackNotifier(ide.Key, entry, reason, operationContext,
eventContext);
}
}
}
}
catch (Exception)
{
}
}
}
catch (Exception)
{
}
return null;
}
/// <summary>
/// Responsible for loading the object from the external data source.
/// Key is passed as parameter.
/// </summary>
/// <param name="key"></param>
/// <returns></returns>
///
public void ReadThru(string key, out ProviderCacheItem item, OperationContext operationContext)
{
item = null;
try
{
if (_dsReader is ICustomReadThru)
{
if (operationContext.Contains(OperationContextFieldName.ReadThru))
{
((ICustomReadThru)_dsReader).DoReadThru =
Convert.ToBoolean(operationContext.GetValueByField(OperationContextFieldName.ReadThru));
}
if (operationContext.Contains(OperationContextFieldName.ReadThru))
{
((ICustomReadThru)_dsReader).ProviderName =
operationContext.GetValueByField(OperationContextFieldName.ReadThruProviderName) as string;
}
if (operationContext.Contains(OperationContextFieldName.GroupInfo))
{
GroupInfo gi = operationContext.GetValueByField(OperationContextFieldName.GroupInfo) as GroupInfo;
if (gi != null)
{
((ICustomReadThru)_dsReader).Group = gi.Group;
((ICustomReadThru)_dsReader).SubGroup = gi.SubGroup;
}
}
}
Stopwatch readThruWatch = new Stopwatch();
readThruWatch.Start();
_dsReader.LoadFromSource(key, out item);
readThruWatch.Stop();
double elapsedByReadThru = readThruWatch.Elapsed.TotalSeconds;
if (elapsedByReadThru > ServiceConfiguration.CommandExecutionThreshold &&
ServiceConfiguration.EnableCommandThresholdLogging)
{
if (_context.NCacheLog != null)
{
_context.NCacheLog.Warn("ReadThruProviderMgr.ReadThru",
"ReadThru took " + elapsedByReadThru +
" seconds to complete. Which is longer than expected.");
}
}
this._context.PerfStatsColl.IncrementReadThruPerSec();
}
catch (Exception e)
{
//Client doesnt throw the inner exception
//Client casts the thrown exception message into Operation failed Exception therefore the current inner exception will be casted
//in Operation failed exception > Inner Exception > Inner Exception
throw new OperationFailedException("IReadThruProvider.LoadFromSource failed. Error: " + e.ToString(), e);
}
finally
{
try
{
// reset all here
((ICustomReadThru)_dsReader).DoReadThru = false;
((ICustomReadThru)_dsReader).Group = null;
((ICustomReadThru)_dsReader).SubGroup = null;
((ICustomReadThru)_dsReader).ProviderName = null;
}
catch {}
}
}
