/// <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);
}
public void Serialize(CompactWriter writer)
{
Address.WriteAddress(writer, _address);
writer.WriteObject(_subgroupName);
CacheStatistics.WriteCacheStatistics(writer, _stats);
writer.Write(_status.Data);
DataAffinity.WriteDataAffinity(writer, _dataAffinity);
writer.WriteObject(_connectedClients);
writer.Write(_isInproc);
Address.WriteAddress(writer, _rendererAddress);
writer.Write(_isStartedAsMirror);
}
public void Deserialize(CompactReader reader)
{
_address = Address.ReadAddress(reader);
_subgroupName = reader.ReadObject() as string;
_stats = CacheStatistics.ReadCacheStatistics(reader);
_status = new BitSet(reader.ReadByte());
_dataAffinity = DataAffinity.ReadDataAffinity(reader);
_connectedClients = (ArrayList)reader.ReadObject();
_isInproc = reader.ReadBoolean();
_rendererAddress = Address.ReadAddress(reader);
_isStartedAsMirror = reader.ReadBoolean();
}
public void Serialize(CompactWriter writer)
{
Address.WriteAddress(writer, _address);
writer.WriteObject(_subgroupName);
CacheStatistics.WriteCacheStatistics(writer, _stats);
writer.Write(_status.Data);
DataAffinity.WriteDataAffinity(writer, _dataAffinity);
writer.WriteObject(_connectedClients);
writer.Write(_isInproc);
Address.WriteAddress(writer, _rendererAddress);
writer.WriteObject(_nodeGuid);
writer.Write(_statsReplicationCounter);
writer.Write((byte)CacheNodeStatus);
}
public void Deserialize(CompactReader reader)
{
_address = Address.ReadAddress(reader);
_subgroupName = reader.ReadObject() as string;
//_subgroupName = reader.ReadString();
_stats = CacheStatistics.ReadCacheStatistics(reader);
_status = new BitSet(reader.ReadByte());
_dataAffinity = DataAffinity.ReadDataAffinity(reader);
_connectedClients = (ArrayList)reader.ReadObject();
_isInproc = reader.ReadBoolean();
_rendererAddress = Address.ReadAddress(reader);
_nodeGuid = reader.ReadObject() as string;
_statsReplicationCounter = reader.ReadInt32();
this.CacheNodeStatus = (Alachisoft.NCache.Common.Monitoring.CacheNodeStatus)reader.ReadByte();
}
/// <summary>
/// Copy constructor
/// </summary>
/// <param name="info"></param>
protected NodeInfo(NodeInfo info)
{
this._address = info._address == null ? null : info._address.Clone() as Address;
this._rendererAddress = info._rendererAddress != null?info._rendererAddress.Clone() as Address : null;
this._stats = info._stats == null ? null:info._stats.Clone() as CacheStatistics;
this._status = info._status;
this._subgroupName = info._subgroupName;
this._isInproc = info._isInproc;
this._dataAffinity = info._dataAffinity == null ? null : info._dataAffinity.Clone() as DataAffinity;
_isStartedAsMirror = info.IsStartedAsMirror;
if (info._connectedClients != null)
{
lock (info._connectedClients.SyncRoot)
this._connectedClients = info._connectedClients.Clone() as ArrayList;
}
}
/// <summary>
/// Copy constructor
/// </summary>
/// <param name="info"></param>
protected NodeInfo(NodeInfo info)
{
this._address = info._address == null ? null : info._address.Clone() as Address;
this._rendererAddress = info._rendererAddress != null?info._rendererAddress.Clone() as Address : null;
this._stats = info._stats == null ? null : info._stats.Clone() as CacheStatistics;
this._status = info._status;
this._subgroupName = info._subgroupName;
this._isInproc = info._isInproc;
this._dataAffinity = info._dataAffinity == null ? null : info._dataAffinity.Clone() as DataAffinity;
this._nodeGuid = info._nodeGuid;
_statsReplicationCounter = info._statsReplicationCounter;
this.CacheNodeStatus = info.CacheNodeStatus;
if (info._connectedClients != null)
{
lock (info._connectedClients.SyncRoot)
{
this._connectedClients = info._connectedClients.Clone() as ArrayList;
}
}
}