private void RegisterForChangeNotification(IDistributedStoreKey dsKey, AmClusterNotifyHandle hChange)
{
AmClusterRegkeyHandle clusdbKeyHandle = this.GetClusdbKeyHandle(dsKey);
if (clusdbKeyHandle != null && !clusdbKeyHandle.IsInvalid)
{
ClusterNotifyFlags dwFilter = ClusterNotifyFlags.CLUSTER_CHANGE_REGISTRY_VALUE;
IntPtr dwNotifyKey = (IntPtr)1;
int num = ClusapiMethods.RegisterClusterNotify(hChange, dwFilter, clusdbKeyHandle, dwNotifyKey);
if (num != 0)
{
NetworkManager.TraceError("RegisterClusterNotify for reg notification 0x{0:X8}", new object[]
{
num
});
throw AmExceptionHelper.ConstructClusterApiException(num, "RegisterClusterNotify(Network Registry)", new object[0]);
}
}
}
private void MonitorEvents()
{
AmClusterNotifyHandle amClusterNotifyHandle = null;
IDistributedStoreKey distributedStoreKey = null;
IDistributedStoreChangeNotify distributedStoreChangeNotify = null;
try
{
ClusterNotifyFlags networkClusterNotificationMask = RegistryParameters.NetworkClusterNotificationMask;
NetworkManager.TraceDebug("SettingClusterMask as 0x{0:x}", new object[]
{
networkClusterNotificationMask
});
amClusterNotifyHandle = ClusapiMethods.CreateClusterNotifyPort(AmClusterNotifyHandle.InvalidHandle, this.ClusterHandle, networkClusterNotificationMask, IntPtr.Zero);
if (amClusterNotifyHandle == null || amClusterNotifyHandle.IsInvalid)
{
int lastWin32Error = Marshal.GetLastWin32Error();
NetworkManager.TraceError("CreateClusterNotifyPort failed. Error code 0x{0:X8}", new object[]
{
lastWin32Error
});
throw new ClusCommonTransientException("CreateClusterNotifyPort", new Win32Exception(lastWin32Error));
}
using (IDistributedStoreKey clusterKey = DistributedStore.Instance.GetClusterKey(this.ClusterHandle, null, null, DxStoreKeyAccessMode.Write, false))
{
distributedStoreKey = clusterKey.OpenKey("Exchange\\DagNetwork", DxStoreKeyAccessMode.CreateIfNotExist, false, null);
}
this.RegisterForChangeNotification(distributedStoreKey, amClusterNotifyHandle);
TimeSpan t = new TimeSpan(0, 0, RegistryParameters.NetworkStatusPollingPeriodInSecs);
while (this.m_clusterHandlesAreValid && !this.m_shutdown)
{
StringBuilder stringBuilder = new StringBuilder(256);
uint num = Convert.ToUInt32(stringBuilder.Capacity);
IntPtr zero = IntPtr.Zero;
ClusterNotifyFlags clusterNotifyFlags;
int clusterNotify = ClusapiMethods.GetClusterNotify(amClusterNotifyHandle, out zero, out clusterNotifyFlags, stringBuilder, ref num, 3000U);
if (this.m_shutdown)
{
break;
}
if (this.m_netMap == null)
{
if (!this.TryDriveMapRefresh())
{
break;
}
}
else if (clusterNotify == 258)
{
if (t < ExDateTime.TimeDiff(ExDateTime.Now, this.m_mapLoadTime) && !this.TryDriveMapRefresh())
{
break;
}
}
else if (clusterNotify != 0)
{
NetworkManager.TraceDebug("GetClusterNotify() returned unexpected status code 0x{0:X)", new object[]
{
clusterNotify
});
}
else
{
string text = stringBuilder.ToString();
NetworkManager.TraceDebug("GetClusterNotify() returned notifyKey={0}, filterType=0x{1:x}, resName={2}", new object[]
{
zero,
clusterNotifyFlags,
text
});
if ((clusterNotifyFlags & ~(ClusterNotifyFlags.CLUSTER_CHANGE_NODE_PROPERTY | ClusterNotifyFlags.CLUSTER_CHANGE_REGISTRY_NAME | ClusterNotifyFlags.CLUSTER_CHANGE_REGISTRY_ATTRIBUTES | ClusterNotifyFlags.CLUSTER_CHANGE_REGISTRY_VALUE | ClusterNotifyFlags.CLUSTER_CHANGE_REGISTRY_SUBTREE | ClusterNotifyFlags.CLUSTER_CHANGE_RESOURCE_STATE | ClusterNotifyFlags.CLUSTER_CHANGE_RESOURCE_DELETED | ClusterNotifyFlags.CLUSTER_CHANGE_RESOURCE_ADDED | ClusterNotifyFlags.CLUSTER_CHANGE_RESOURCE_PROPERTY | ClusterNotifyFlags.CLUSTER_CHANGE_GROUP_STATE | ClusterNotifyFlags.CLUSTER_CHANGE_GROUP_DELETED | ClusterNotifyFlags.CLUSTER_CHANGE_GROUP_ADDED | ClusterNotifyFlags.CLUSTER_CHANGE_GROUP_PROPERTY | ClusterNotifyFlags.CLUSTER_CHANGE_RESOURCE_TYPE_DELETED | ClusterNotifyFlags.CLUSTER_CHANGE_RESOURCE_TYPE_ADDED | ClusterNotifyFlags.CLUSTER_CHANGE_RESOURCE_TYPE_PROPERTY | ClusterNotifyFlags.CLUSTER_CHANGE_CLUSTER_RECONNECT | ClusterNotifyFlags.CLUSTER_CHANGE_QUORUM_STATE | ClusterNotifyFlags.CLUSTER_CHANGE_CLUSTER_PROPERTY)) != ~(ClusterNotifyFlags.CLUSTER_CHANGE_NODE_STATE | ClusterNotifyFlags.CLUSTER_CHANGE_NODE_DELETED | ClusterNotifyFlags.CLUSTER_CHANGE_NODE_ADDED | ClusterNotifyFlags.CLUSTER_CHANGE_NODE_PROPERTY | ClusterNotifyFlags.CLUSTER_CHANGE_REGISTRY_NAME | ClusterNotifyFlags.CLUSTER_CHANGE_REGISTRY_ATTRIBUTES | ClusterNotifyFlags.CLUSTER_CHANGE_REGISTRY_VALUE | ClusterNotifyFlags.CLUSTER_CHANGE_REGISTRY_SUBTREE | ClusterNotifyFlags.CLUSTER_CHANGE_RESOURCE_STATE | ClusterNotifyFlags.CLUSTER_CHANGE_RESOURCE_DELETED | ClusterNotifyFlags.CLUSTER_CHANGE_RESOURCE_ADDED | ClusterNotifyFlags.CLUSTER_CHANGE_RESOURCE_PROPERTY | ClusterNotifyFlags.CLUSTER_CHANGE_GROUP_STATE | ClusterNotifyFlags.CLUSTER_CHANGE_GROUP_DELETED | ClusterNotifyFlags.CLUSTER_CHANGE_GROUP_ADDED | ClusterNotifyFlags.CLUSTER_CHANGE_GROUP_PROPERTY | ClusterNotifyFlags.CLUSTER_CHANGE_RESOURCE_TYPE_DELETED | ClusterNotifyFlags.CLUSTER_CHANGE_RESOURCE_TYPE_ADDED | ClusterNotifyFlags.CLUSTER_CHANGE_RESOURCE_TYPE_PROPERTY | ClusterNotifyFlags.CLUSTER_CHANGE_CLUSTER_RECONNECT | ClusterNotifyFlags.CLUSTER_CHANGE_NETWORK_STATE | ClusterNotifyFlags.CLUSTER_CHANGE_NETWORK_DELETED | ClusterNotifyFlags.CLUSTER_CHANGE_NETWORK_ADDED | ClusterNotifyFlags.CLUSTER_CHANGE_NETWORK_PROPERTY | ClusterNotifyFlags.CLUSTER_CHANGE_NETINTERFACE_STATE | ClusterNotifyFlags.CLUSTER_CHANGE_NETINTERFACE_DELETED | ClusterNotifyFlags.CLUSTER_CHANGE_NETINTERFACE_ADDED | ClusterNotifyFlags.CLUSTER_CHANGE_NETINTERFACE_PROPERTY | ClusterNotifyFlags.CLUSTER_CHANGE_QUORUM_STATE | ClusterNotifyFlags.CLUSTER_CHANGE_CLUSTER_STATE | ClusterNotifyFlags.CLUSTER_CHANGE_CLUSTER_PROPERTY | ClusterNotifyFlags.CLUSTER_CHANGE_HANDLE_CLOSE) && !this.TryDriveMapRefresh())
{
break;
}
}
}
}
finally
{
if (amClusterNotifyHandle != null)
{
amClusterNotifyHandle.Dispose();
amClusterNotifyHandle = null;
}
if (distributedStoreChangeNotify != null)
{
distributedStoreChangeNotify.Dispose();
}
if (distributedStoreKey != null)
{
distributedStoreKey.Dispose();
}
}
}
