internal static Guid GetPreferredDCWithContainerizedUsnChanged(string serviceInstanceName)
{
if (!SyncConfiguration.EnableContainerizedUsnChangedOptimization())
{
throw new InvalidOperationException("SyncConfiguration.EnableContainerizedUsnChangedOptimization() == false");
}
if (serviceInstanceName == null)
{
throw new ArgumentNullException("serviceInstanceName");
}
string text = serviceInstanceName.ToLowerInvariant() + "_PreferredContainerizedUsnChangedDC";
string configurationValue = SyncConfiguration.GetConfigurationValue <string>(text, null);
if (configurationValue != null)
{
List <Guid> list = new List <Guid>();
foreach (string text2 in configurationValue.Split(new char[]
{
','
}))
{
Guid item;
if (Guid.TryParse(text2, out item))
{
list.Add(item);
ExTraceGlobals.BackSyncTracer.TraceDebug <string, string>((long)SyncConfiguration.TraceId, "GetPreferredDCWithContainerizedUsnChanged Adding a valid DC invocation id: {0} for service instance {1}.", text2, serviceInstanceName);
}
else
{
ExTraceGlobals.BackSyncTracer.TraceDebug <string, string>((long)SyncConfiguration.TraceId, "GetPreferredDCWithContainerizedUsnChanged Invalid DC invocation id: {0} defined for service instance {1}. Skipping it.", text2, serviceInstanceName);
}
}
if (list.Count > 0)
{
Random random = new Random();
return(list.ElementAt(random.Next(list.Count)));
}
ExTraceGlobals.BackSyncTracer.TraceDebug <string>((long)SyncConfiguration.TraceId, "GetPreferredDCWithContainerizedUsnChanged - Found no valid DC invocation ids for service instance: {0}", serviceInstanceName);
}
else
{
ExTraceGlobals.BackSyncTracer.TraceDebug <string>((long)SyncConfiguration.TraceId, "GetPreferredDCWithContainerizedUsnChanged - RegistryValue: {0} is null", text);
}
return(Guid.Empty);
}
public TenantFullSyncPageToken(Guid invocationId, Guid tenantExternalDirectoryId, ADObjectId tenantOuId, ServiceInstanceId serviceInstanceId, bool useDirSyncBasedTfs = false)
{
ExTraceGlobals.TenantFullSyncTracer.TraceDebug((long)this.TenantExternalDirectoryId.GetHashCode(), "New TenantFullSyncPageToken");
this.Version = 3;
ExTraceGlobals.TenantFullSyncTracer.TraceDebug <int>((long)this.TenantExternalDirectoryId.GetHashCode(), "TenantFullSyncPageToken this.Version = {0}", this.Version);
this.TenantExternalDirectoryId = tenantExternalDirectoryId;
ExTraceGlobals.TenantFullSyncTracer.TraceDebug <Guid>((long)this.TenantExternalDirectoryId.GetHashCode(), "TenantFullSyncPageToken this.TenantExternalDirectoryId = {0}", this.TenantExternalDirectoryId);
this.TenantObjectGuid = tenantOuId.ObjectGuid;
ExTraceGlobals.TenantFullSyncTracer.TraceDebug <Guid>((long)this.TenantExternalDirectoryId.GetHashCode(), "TenantFullSyncPageToken this.TenantObjectGuid = {0}", this.TenantObjectGuid);
this.State = TenantFullSyncState.EnumerateLiveObjects;
ExTraceGlobals.TenantFullSyncTracer.TraceDebug <string>((long)this.TenantExternalDirectoryId.GetHashCode(), "TenantFullSyncPageToken this.State = {0}", this.State.ToString());
this.ServiceInstanceId = serviceInstanceId;
ExTraceGlobals.TenantFullSyncTracer.TraceDebug <ServiceInstanceId>((long)this.TenantExternalDirectoryId.GetHashCode(), "TenantFullSyncPageToken this.ServiceInstanceId = {0}", this.ServiceInstanceId);
this.ErrorObjectsAndFailureCounts = new Dictionary <string, int>();
this.SequenceId = Guid.NewGuid();
this.SequenceStartTimestamp = DateTime.UtcNow;
ExTraceGlobals.TenantFullSyncTracer.TraceDebug <Guid, DateTime>((long)this.TenantExternalDirectoryId.GetHashCode(), "TenantFullSyncPageToken Starting a new sequence this.SequenceId = {0} this.SequenceStartTimestamp = {1} ", this.SequenceId, this.SequenceStartTimestamp);
this.TenantScopedBackSyncCookie = (useDirSyncBasedTfs ? new BackSyncCookie(this.ServiceInstanceId) : null);
this.InvocationId = (useDirSyncBasedTfs ? this.TenantScopedBackSyncCookie.InvocationId : invocationId);
ExTraceGlobals.TenantFullSyncTracer.TraceDebug <Guid>((long)this.TenantExternalDirectoryId.GetHashCode(), "TenantFullSyncPageToken this.InvocationId = {0}", this.InvocationId);
this.UseContainerizedUsnChangedIndex = false;
if (SyncConfiguration.EnableContainerizedUsnChangedOptimization())
{
Guid preferredDCWithContainerizedUsnChanged = SyncConfiguration.GetPreferredDCWithContainerizedUsnChanged(this.ServiceInstanceId.InstanceId);
if (preferredDCWithContainerizedUsnChanged != Guid.Empty)
{
this.InvocationId = preferredDCWithContainerizedUsnChanged;
this.UseContainerizedUsnChangedIndex = true;
ExTraceGlobals.TenantFullSyncTracer.TraceDebug <Guid>((long)this.TenantExternalDirectoryId.GetHashCode(), "TenantFullSyncPageToken overwriting this.InvocationId = {0} and this.UseContainerizedUsnChangedIndex = true", this.InvocationId);
}
else
{
ExTraceGlobals.TenantFullSyncTracer.TraceDebug <ServiceInstanceId>((long)this.TenantExternalDirectoryId.GetHashCode(), "TenantFullSyncPageToken: Could not find preferred DC for service instance {0}. Containerized USN index will NOT be used.", this.ServiceInstanceId);
}
}
if (this.UseContainerizedUsnChangedIndex && useDirSyncBasedTfs)
{
throw new InvalidOperationException("Invalid configuration - cannot use Containerized UsnChanged Index and Dirsync based TFS simultaneously.");
}
if (this.UseContainerizedUsnChangedIndex)
{
this.PreviousState = this.State;
}
}