public void RefreshTopology(bool isForceRefresh = false)
{
TopologyInfo topology = null;
bool flag = DxStoreRegistryConfigProvider.Tracer.IsTraceEnabled(TraceType.DebugTrace);
Utils.RunOperation(this.ManagerConfig.Identity, "RefreshTopology", delegate
{
topology = this.GetLocalServerTopology(isForceRefresh);
}, this.eventLogger, LogOptions.LogException, true, new TimeSpan?(TimeSpan.FromMinutes(1.0)), new TimeSpan?(this.ManagerConfig.Settings.PeriodicExceptionLoggingDuration), null, null, null);
if (topology != null)
{
if (topology.IsConfigured)
{
if (flag)
{
DxStoreRegistryConfigProvider.Tracer.TraceDebug <string, string>(0L, "RefreshConfig found a valid topology '{0}' members: {1}", topology.Name, topology.Members.JoinWithComma("<null>"));
}
if (!topology.IsAllMembersVersionCompatible)
{
DxStoreRegistryConfigProvider.Tracer.TraceDebug <string>(0L, "RefreshConfig found that some of the members are version compatible - will be retrying in next iteration", topology.Name);
return;
}
bool flag2 = false;
InstanceGroupMemberConfig[] configuredMembers = Utils.EmptyArray <InstanceGroupMemberConfig>();
string[] serversToRemove = Utils.EmptyArray <string>();
InstanceGroupConfig groupConfig = this.GetGroupConfig(topology.Name, false);
if (groupConfig != null)
{
if (flag)
{
DxStoreRegistryConfigProvider.Tracer.TraceDebug <string, string>(0L, "Group {0} already exist with configured members {1}", topology.Name, (from m in groupConfig.Members
select m.Name).JoinWithComma("<null>"));
}
flag2 = true;
configuredMembers = groupConfig.Members;
if (!groupConfig.Settings.IsAppendOnlyMembership)
{
serversToRemove = (from m in configuredMembers
let isFound = topology.Members.Any((string tm) => string.Equals(tm, m.Name))
where !isFound && !m.IsManagedExternally
select m.Name).ToArray <string>();
}
}
string[] serversToAdd = (from tm in topology.Members
let isFound = configuredMembers.Any((InstanceGroupMemberConfig m) => string.Equals(tm, m.Name))
where !isFound
select tm).ToArray <string>();
this.UpdateMembers(topology.Name, serversToRemove, serversToAdd, !flag2, !flag2);
return;
}
else
{
InstanceGroupConfig[] allGroupConfigs = this.GetAllGroupConfigs();
foreach (InstanceGroupConfig instanceGroupConfig in allGroupConfigs)
{
if (instanceGroupConfig.IsMember(instanceGroupConfig.Self, true))
{
string[] array2 = (from member in instanceGroupConfig.Members
where !member.IsManagedExternally
select member into m
select m.Name).ToArray <string>();
if (flag)
{
DxStoreRegistryConfigProvider.Tracer.TraceDebug <string, string>(0L, "{0}: Removing members '{1}' from group since local node is not part of group member any more", instanceGroupConfig.Identity, array2.JoinWithComma("<null>"));
}
this.RemoveMembers(instanceGroupConfig.Name, array2);
}
}
}
}
}
