internal void PreMountCopy(Guid mdbGuid, bool isPublicMdb)
{
RegistryReplicator registryReplicator = null;
RealRegistry realRegistry = null;
ClusterRegistry clusterRegistry = null;
AmConfig config = AmSystemManager.Instance.Config;
if (config.IsPamOrSam)
{
string text = isPublicMdb ? RegistryMonitor.publicString : RegistryMonitor.privateString;
string text2 = string.Format(RegistryMonitor.localRegistryPathFormat, Environment.MachineName, mdbGuid, text);
string root = string.Format(RegistryMonitor.clusterRegistryPathFormat, mdbGuid, text);
try
{
if (this.replicators.ContainsKey(mdbGuid))
{
this.replicators[mdbGuid].DisableCopy();
}
SafeRegistryHandle handle;
DiagnosticsNativeMethods.ErrorCode errorCode = DiagnosticsNativeMethods.RegOpenKeyEx(SafeRegistryHandle.LocalMachine, text2, 0, 131097, out handle);
if (DiagnosticsNativeMethods.ErrorCode.FileNotFound == errorCode)
{
RegistryKey registryKey = Registry.LocalMachine.CreateSubKey(text2);
if (registryKey != null)
{
registryKey.Close();
errorCode = DiagnosticsNativeMethods.RegOpenKeyEx(SafeRegistryHandle.LocalMachine, text2, 0, 131097, out handle);
}
}
if (errorCode != DiagnosticsNativeMethods.ErrorCode.Success)
{
throw new AmRegistryException("RegOpenKeyEx", new Win32Exception((int)errorCode));
}
realRegistry = new RealRegistry(text2, handle);
clusterRegistry = new ClusterRegistry(root, config.DagConfig.Cluster.Handle);
registryReplicator = new RegistryReplicator(realRegistry, clusterRegistry, null);
realRegistry = null;
clusterRegistry = null;
if (!registryReplicator.IsInitialReplication)
{
registryReplicator.InverseCopy();
}
}
catch (ClusterException innerException)
{
throw new AmDbMountNotAllowedDueToRegistryConfigurationException(innerException);
}
catch (AmRegistryException innerException2)
{
throw new AmDbMountNotAllowedDueToRegistryConfigurationException(innerException2);
}
finally
{
if (registryReplicator != null)
{
registryReplicator.Dispose();
}
if (realRegistry != null)
{
realRegistry.Dispose();
}
if (clusterRegistry != null)
{
clusterRegistry.Dispose();
}
if (this.replicators.ContainsKey(mdbGuid))
{
this.replicators[mdbGuid].EnableCopy();
}
}
}
}
private void MonitorRegistry()
{
int num = 0;
int num2 = RegistryParameters.RegistryMonitorPollingIntervalInSec / 5;
AmConfig amConfig = null;
Dictionary <Guid, RegistryReplicator> .KeyCollection.Enumerator enumerator = this.replicators.Keys.GetEnumerator();
try
{
bool flag = false;
RegistryReplicator registryReplicator = null;
RealRegistry realRegistry = null;
ClusterRegistry clusterRegistry = null;
List <Guid> list = new List <Guid>();
List <WaitHandle> list2 = new List <WaitHandle>();
while (!this.stopEvent.WaitOne(5000, false))
{
amConfig = AmSystemManager.Instance.Config;
while (!this.stopEvent.WaitOne(0, false) && amConfig.IsPamOrSam)
{
AmClusterHandle handle = amConfig.DagConfig.Cluster.Handle;
if (flag)
{
enumerator.Dispose();
enumerator = this.replicators.Keys.GetEnumerator();
}
int num3 = 0;
list2.Clear();
list.Clear();
while (num3 < 64 && enumerator.MoveNext())
{
if (this.replicators[enumerator.Current].IsValid)
{
list2.Add(this.replicators[enumerator.Current].KeyChanged);
list.Add(enumerator.Current);
num3++;
}
}
flag = (num3 < 64);
if (list2.Count <= 0)
{
goto IL_205;
}
int num4 = WaitHandle.WaitAny(list2.ToArray(), 5000, false);
if (num4 >= 0 && num4 < list2.Count)
{
Guid key = list[num4];
if (this.replicators[key].IsCopyEnabled)
{
lock (this.workQueue)
{
this.workQueue.Enqueue(this.replicators[key]);
this.replicators[key].KeyChanged.Reset();
}
try
{
DiagnosticsNativeMethods.ErrorCode errorCode = DiagnosticsNativeMethods.RegNotifyChangeKeyValue((SafeRegistryHandle)this.replicators[key].Handle, true, DiagnosticsNativeMethods.RegistryNotifications.ChangeName | DiagnosticsNativeMethods.RegistryNotifications.ChangeAttributes | DiagnosticsNativeMethods.RegistryNotifications.LastSet, this.replicators[key].KeyChanged.SafeWaitHandle, true);
if (errorCode != DiagnosticsNativeMethods.ErrorCode.Success)
{
throw new AmRegistryException("RegNotifyChangeKeyValue", new Win32Exception((int)errorCode));
}
goto IL_21B;
}
catch (AmRegistryException ex)
{
AmTrace.Warning("Registering for registry key change notifications failed. Inner Exception: {0}", new object[]
{
ex
});
goto IL_21B;
}
goto IL_205;
}
}
IL_21B:
if (num == 0 || this.dbMountedEvent.WaitOne(0, false))
{
num2 = RegistryParameters.RegistryMonitorPollingIntervalInSec / 5;
foreach (KeyValuePair <Guid, RegistryReplicator> keyValuePair in this.replicators)
{
keyValuePair.Value.SetMarkedForRemoval();
}
IADDatabase[] databasesToMonitor = this.GetDatabasesToMonitor();
if (databasesToMonitor != null)
{
foreach (IADDatabase iaddatabase in databasesToMonitor)
{
if (this.replicators.ContainsKey(iaddatabase.Guid))
{
this.replicators[iaddatabase.Guid].ResetMarkedForRemoval();
}
else
{
Exception ex2 = null;
try
{
if (!flag)
{
enumerator.Dispose();
flag = true;
}
string text = iaddatabase.IsPublicFolderDatabase ? RegistryMonitor.publicString : RegistryMonitor.privateString;
string text2 = string.Format(RegistryMonitor.localRegistryPathFormat, Environment.MachineName, iaddatabase.Guid, text);
string root = string.Format(RegistryMonitor.clusterRegistryPathFormat, iaddatabase.Guid, text);
ManualResetEvent manualResetEvent = new ManualResetEvent(false);
SafeRegistryHandle safeRegistryHandle;
DiagnosticsNativeMethods.ErrorCode errorCode = DiagnosticsNativeMethods.RegOpenKeyEx(SafeRegistryHandle.LocalMachine, text2, 0, 131097, out safeRegistryHandle);
if (DiagnosticsNativeMethods.ErrorCode.FileNotFound == errorCode)
{
RegistryKey registryKey = Registry.LocalMachine.CreateSubKey(text2);
if (registryKey != null)
{
registryKey.Close();
errorCode = DiagnosticsNativeMethods.RegOpenKeyEx(SafeRegistryHandle.LocalMachine, text2, 0, 131097, out safeRegistryHandle);
}
}
if (errorCode != DiagnosticsNativeMethods.ErrorCode.Success)
{
throw new AmRegistryException("RegOpenKeyEx", new Win32Exception((int)errorCode));
}
realRegistry = new RealRegistry(text2, safeRegistryHandle);
clusterRegistry = new ClusterRegistry(root, amConfig.DagConfig.Cluster.Handle);
registryReplicator = new RegistryReplicator(realRegistry, clusterRegistry, manualResetEvent);
realRegistry = null;
clusterRegistry = null;
if (registryReplicator.IsInitialReplication)
{
registryReplicator.Copy(handle);
registryReplicator.SetInitialReplication();
}
else
{
registryReplicator.InverseCopy();
}
errorCode = DiagnosticsNativeMethods.RegNotifyChangeKeyValue(safeRegistryHandle, true, DiagnosticsNativeMethods.RegistryNotifications.ChangeName | DiagnosticsNativeMethods.RegistryNotifications.ChangeAttributes | DiagnosticsNativeMethods.RegistryNotifications.LastSet, manualResetEvent.SafeWaitHandle, true);
if (errorCode != DiagnosticsNativeMethods.ErrorCode.Success)
{
throw new AmRegistryException("RegNotifyChangeKeyValue", new Win32Exception((int)errorCode));
}
this.replicators.Add(iaddatabase.Guid, registryReplicator);
registryReplicator = null;
}
catch (AmRegistryException ex3)
{
ex2 = ex3;
AmTrace.Warning("Failed to add database to monitor: {0}. Exception: {1}", new object[]
{
iaddatabase.Name,
ex3
});
}
catch (ClusterException ex4)
{
ex2 = ex4;
AmTrace.Warning("Failed to add database to monitor: {0}. Exception: {1}", new object[]
{
iaddatabase.Name,
ex4
});
}
finally
{
if (ex2 != null)
{
ReplayEventLogConstants.Tuple_RegistryReplicatorException.LogEvent(null, new object[]
{
ex2
});
}
if (registryReplicator != null)
{
registryReplicator.Dispose();
registryReplicator = null;
}
if (realRegistry != null)
{
realRegistry.Dispose();
realRegistry = null;
}
if (clusterRegistry != null)
{
clusterRegistry.Dispose();
clusterRegistry = null;
}
}
}
}
}
list.Clear();
foreach (KeyValuePair <Guid, RegistryReplicator> keyValuePair2 in this.replicators)
{
if (keyValuePair2.Value.IsMarkedForRemoval)
{
list.Add(keyValuePair2.Key);
}
}
lock (this.workQueue)
{
foreach (Guid key2 in list)
{
registryReplicator = this.replicators[key2];
registryReplicator.SetInvalid();
if (!registryReplicator.IsCopying)
{
if (!flag)
{
flag = true;
}
this.replicators.Remove(key2);
registryReplicator.Dispose();
}
}
}
registryReplicator = null;
}
num = (num + 1) % num2;
amConfig = AmSystemManager.Instance.Config;
continue;
IL_205:
if (!this.stopEvent.WaitOne(5000, false))
{
goto IL_21B;
}
break;
}
}
foreach (KeyValuePair <Guid, RegistryReplicator> keyValuePair3 in this.replicators)
{
if (!keyValuePair3.Value.IsCopying)
{
keyValuePair3.Value.SetInvalid();
}
}
}
finally
{
enumerator.Dispose();
}
}