public static void SyncComponentStates(MultiValuedProperty <string> adComponentStates)
{
if (adComponentStates != null)
{
using (RegistryKey localMachine = Registry.LocalMachine)
{
foreach (string value in adComponentStates)
{
ServerComponentStates.ItemEntry itemEntry;
if (ServerComponentStates.TryParseRemoteStateString(value, out itemEntry))
{
string subkey = string.Format("{0}\\{1}", "SOFTWARE\\Microsoft\\ExchangeServer\\v15\\ServerComponentStates", itemEntry.Component);
using (RegistryKey registryKey = localMachine.CreateSubKey(subkey))
{
bool flag = true;
object value2 = registryKey.GetValue(itemEntry.Requester);
ServiceState serviceState;
DateTime t;
if (value2 != null && registryKey.GetValueKind(itemEntry.Requester) == RegistryValueKind.String && ServerComponentStates.TryParseLocalStateString(value2 as string, out serviceState, out t) && itemEntry.Timestamp <= t)
{
flag = false;
}
if (flag)
{
ServerComponentStates.LogTransition(itemEntry.Component, itemEntry.Requester, itemEntry.State);
string value3 = ServerComponentStates.FormLocalString(itemEntry.State, itemEntry.Timestamp);
registryKey.SetValue(itemEntry.Requester, value3, RegistryValueKind.String);
}
}
}
}
}
}
}
public static MultiValuedProperty <string> UpdateRemoteState(MultiValuedProperty <string> componentStates, string requester, string component, ServiceState state)
{
if (!ServerComponentStates.IsValidName(component))
{
throw new ArgumentException(DirectoryStrings.ComponentNameInvalid);
}
if (!ServerComponentStates.IsValidName(requester))
{
throw new ArgumentException(DirectoryStrings.RequesterNameInvalid);
}
MultiValuedProperty <string> multiValuedProperty = new MultiValuedProperty <string>();
if (componentStates != null)
{
foreach (string text in componentStates)
{
ServerComponentStates.ItemEntry itemEntry;
if (ServerComponentStates.TryParseRemoteStateString(text, out itemEntry) && (!string.Equals(itemEntry.Component, component, StringComparison.OrdinalIgnoreCase) || !string.Equals(itemEntry.Requester, requester, StringComparison.OrdinalIgnoreCase)))
{
multiValuedProperty.Add(text);
}
}
}
multiValuedProperty.Add(string.Format("1:{0}:{1}:{2}:{3}", new object[]
{
component,
requester,
(int)state,
DateTime.UtcNow.Ticks
}));
return(multiValuedProperty);
}
private static List <ServerComponentStates.ItemEntry> GetLocalStates(string targetServerFqdn, string component)
{
string name = string.Format("{0}\\{1}", "SOFTWARE\\Microsoft\\ExchangeServer\\v15\\ServerComponentStates", component);
List <ServerComponentStates.ItemEntry> result;
using (RegistryKey localMachineKey = ServerComponentStates.GetLocalMachineKey(targetServerFqdn))
{
using (RegistryKey registryKey = localMachineKey.OpenSubKey(name))
{
List <ServerComponentStates.ItemEntry> list = new List <ServerComponentStates.ItemEntry>();
if (registryKey == null)
{
result = list;
}
else
{
foreach (string text in registryKey.GetValueNames())
{
object value = registryKey.GetValue(text);
ServiceState state;
DateTime timestamp;
if (ServerComponentStates.IsValidName(text) && registryKey.GetValueKind(text) == RegistryValueKind.String && ServerComponentStates.TryParseLocalStateString(value as string, out state, out timestamp))
{
list.Add(new ServerComponentStates.ItemEntry(component, text, state, timestamp));
}
}
result = list;
}
}
}
return(result);
}
private static List <ServerComponentStates.ItemEntry> GetReconciledStates(string targetServerFqdn, MultiValuedProperty <string> adComponentStates, ServerComponentStateSources sourcesToUse, string component, out List <ServerComponentStates.ItemEntry> localStates, out List <ServerComponentStates.ItemEntry> remoteStates)
{
localStates = null;
remoteStates = null;
List <ServerComponentStates.ItemEntry> localStatesTemp = null;
List <ServerComponentStates.ItemEntry> result = null;
if (sourcesToUse.HasFlag(ServerComponentStateSources.Registry))
{
Exception ex = ServerComponentStateManager.RunLocalRegistryOperationNoThrow(delegate
{
localStatesTemp = ServerComponentStates.GetLocalStates(targetServerFqdn, component);
});
if (ex != null && !sourcesToUse.HasFlag(ServerComponentStateSources.AD))
{
throw new ServerComponentApiException(DirectoryStrings.ServerComponentLocalRegistryError(ex.ToString()), ex);
}
localStates = localStatesTemp;
result = localStatesTemp;
}
if (sourcesToUse.HasFlag(ServerComponentStateSources.AD))
{
remoteStates = ServerComponentStates.GetRemoteStates(adComponentStates, component);
result = remoteStates;
}
if (localStates != null && remoteStates != null)
{
result = ServerComponentStates.ReconcileStates(localStates, remoteStates);
}
return(result);
}
public static void SyncAdState()
{
MultiValuedProperty <string> adStates = null;
Exception ex = ServerComponentStateManager.RunADOperationNoThrow(delegate
{
adStates = ServerComponentStateManager.ReadLocalServerComponentStatesFromAD();
ServerComponentStateManager.UseAdStates(adStates);
});
if (ex != null)
{
ServerComponentStateManager.Tracer.TraceError <Exception>(0L, "SyncAdState failed to read from AD: {0}", ex);
throw new ServerComponentApiException(DirectoryStrings.ServerComponentReadADError(ex.ToString()), ex);
}
Exception ex2 = ServerComponentStateManager.RunLocalRegistryOperationNoThrow(delegate
{
ServerComponentStates.SyncComponentStates(adStates);
});
if (ex2 != null)
{
ServerComponentStateManager.Tracer.TraceError <Exception>(0L, "SyncAdState failed in ServerComponentStates.SyncComponentStates: {0}", ex2);
throw new ServerComponentApiException(DirectoryStrings.ServerComponentLocalRegistryError(ex2.ToString()), ex2);
}
}
public static bool IsRemoteComponentOnlineAccordingToADInternal(MultiValuedProperty <string> componentStates, ServerComponentEnum serverComponent)
{
List <ServerComponentStates.ItemEntry> remoteStates = ServerComponentStates.GetRemoteStates(componentStates, ServerComponentStates.GetComponentId(serverComponent));
ServiceState effectiveState = ServerComponentStates.GetEffectiveState(remoteStates, ServiceState.Active);
return(effectiveState == ServiceState.Active);
}
public static ServiceState ReadEffectiveComponentState(string targetServerFqdn, MultiValuedProperty <string> adComponentStates, ServerComponentStateSources sourcesToUse, string component, ServiceState defaultState)
{
bool flag;
List <ServerComponentStates.ItemEntry> list;
List <ServerComponentStates.ItemEntry> list2;
return(ServerComponentStates.ReadEffectiveComponentState(targetServerFqdn, adComponentStates, sourcesToUse, component, defaultState, out flag, out list, out list2));
}
private static bool TryParseLocalStateString(string value, out ServiceState state, out DateTime timeStamp)
{
state = ServiceState.Inactive;
timeStamp = DateTime.MinValue;
string[] array = value.Split(new char[]
{
':'
});
return(array.Length >= 3 && ServerComponentStates.IsSupportedEncodingVersion(array[0]) && Enum.TryParse <ServiceState>(array[1], out state) && ServerComponentStates.TryParseTimeStamp(array[2], out timeStamp));
}
internal static ServiceState ReadDirectComponentState(string targetServerFqdn, MultiValuedProperty <string> adComponentStates, ServerComponentStateSources sourcesToUse, string component, ServiceState defaultState, out List <ServerComponentStates.ItemEntry> returnLocalStates, out List <ServerComponentStates.ItemEntry> returnRemoteStates)
{
if (!ServerComponentStates.IsValidName(component))
{
throw new ArgumentException(DirectoryStrings.ComponentNameInvalid);
}
List <ServerComponentStates.ItemEntry> reconciledStates = ServerComponentStates.GetReconciledStates(targetServerFqdn, adComponentStates, sourcesToUse, component, out returnLocalStates, out returnRemoteStates);
return(ServerComponentStates.GetEffectiveState(reconciledStates, defaultState));
}
public static void SetOnline(ServerComponentEnum serverComponent)
{
Exception ex = ServerComponentStateManager.RunLocalRegistryOperationNoThrow(delegate
{
ServerComponentStates.UpdateLocalState(null, ServerComponentRequest.HealthApi.ToString(), serverComponent.ToString(), ServiceState.Active);
});
if (ex != null)
{
ServerComponentStateManager.Tracer.TraceError <ServerComponentEnum, Exception>(0L, "SetOnline({0}) failed: {1}", serverComponent, ex);
throw new ServerComponentApiException(DirectoryStrings.ServerComponentLocalRegistryError(ex.ToString()), ex);
}
}
private static bool TryParseRemoteStateString(string value, out ServerComponentStates.ItemEntry entry)
{
entry = null;
string[] array = value.Split(new char[]
{
':'
});
ServiceState state;
DateTime timestamp;
if (array.Length >= 5 && ServerComponentStates.IsSupportedEncodingVersion(array[0]) && !string.IsNullOrEmpty(array[1]) && !string.IsNullOrEmpty(array[2]) && Enum.TryParse <ServiceState>(array[3], out state) && ServerComponentStates.TryParseTimeStamp(array[4], out timestamp))
{
entry = new ServerComponentStates.ItemEntry(array[1], array[2], state, timestamp);
return(true);
}
return(false);
}
private static List <ServerComponentStates.ItemEntry> GetRemoteStates(MultiValuedProperty <string> componentStates, string component)
{
List <ServerComponentStates.ItemEntry> list = new List <ServerComponentStates.ItemEntry>();
if (componentStates == null)
{
return(list);
}
foreach (string value in componentStates)
{
ServerComponentStates.ItemEntry itemEntry;
if (ServerComponentStates.TryParseRemoteStateString(value, out itemEntry) && string.Equals(itemEntry.Component, component, StringComparison.OrdinalIgnoreCase))
{
list.Add(itemEntry);
}
}
return(list);
}
public static ServiceState GetEffectiveState(ServerComponentEnum serverComponent, bool onlineByDefault)
{
MultiValuedProperty <string> adStates = null;
try
{
adStates = ServerComponentStateManager.Instance.GetAdStates();
}
catch (ServerComponentApiException arg)
{
ServerComponentStateManager.Tracer.TraceError <ServerComponentApiException>(0L, "GetEffectiveState ignoring failure to get adStates. Ex was {0}", arg);
}
ServiceState compState = ServiceState.Inactive;
ServerComponentStateManager.RunLocalRegistryOperation(delegate
{
compState = ServerComponentStates.ReadEffectiveComponentState(null, adStates, ServerComponentStates.GetComponentId(serverComponent), onlineByDefault ? ServiceState.Active : ServiceState.Inactive);
});
return(compState);
}
public static void UpdateLocalState(string targetServerFqdn, string requester, string component, ServiceState state)
{
if (!ServerComponentStates.IsValidName(component))
{
throw new ArgumentException(DirectoryStrings.ComponentNameInvalid);
}
if (!ServerComponentStates.IsValidName(requester))
{
throw new ArgumentException(DirectoryStrings.RequesterNameInvalid);
}
string subkey = string.Format("{0}\\{1}", "SOFTWARE\\Microsoft\\ExchangeServer\\v15\\ServerComponentStates", component);
using (RegistryKey localMachineKey = ServerComponentStates.GetLocalMachineKey(targetServerFqdn))
{
using (RegistryKey registryKey = localMachineKey.CreateSubKey(subkey))
{
ServerComponentStates.LogTransition(component, requester, state);
registryKey.SetValue(requester, ServerComponentStates.FormLocalString(state, DateTime.UtcNow));
}
}
}
public static ServiceState ReadEffectiveComponentState(string targetServerFqdn, MultiValuedProperty <string> adComponentStates, ServerComponentStateSources sourcesToUse, string component, ServiceState defaultState, out bool serverWideIsInactive, out List <ServerComponentStates.ItemEntry> returnLocalStates, out List <ServerComponentStates.ItemEntry> returnRemoteStates)
{
if (!ServerComponentStates.IsValidName(component))
{
throw new ArgumentException(DirectoryStrings.ComponentNameInvalid);
}
if (sourcesToUse == (ServerComponentStateSources)0)
{
throw new ArgumentException("sourcesToUse argument must have at least one source");
}
serverWideIsInactive = false;
List <ServerComponentStates.ItemEntry> reconciledStates = ServerComponentStates.GetReconciledStates(targetServerFqdn, adComponentStates, sourcesToUse, component, out returnLocalStates, out returnRemoteStates);
if (!string.Equals(component, ServerComponentStates.MonitoringComponentId, StringComparison.OrdinalIgnoreCase) && !string.Equals(component, ServerComponentStates.RecoveryActionsEnabledComponentId, StringComparison.OrdinalIgnoreCase))
{
ServiceState effectiveState;
if (string.Equals(component, ServerComponentStates.ServerWideOfflineComponentId, StringComparison.OrdinalIgnoreCase))
{
effectiveState = ServerComponentStates.GetEffectiveState(reconciledStates, ServiceState.Active);
if (effectiveState != ServiceState.Active)
{
serverWideIsInactive = true;
}
return(effectiveState);
}
List <ServerComponentStates.ItemEntry> list;
List <ServerComponentStates.ItemEntry> list2;
List <ServerComponentStates.ItemEntry> reconciledStates2 = ServerComponentStates.GetReconciledStates(targetServerFqdn, adComponentStates, sourcesToUse, ServerComponentStates.ServerWideOfflineComponentId, out list, out list2);
effectiveState = ServerComponentStates.GetEffectiveState(reconciledStates2, ServiceState.Active);
if (effectiveState != ServiceState.Active)
{
serverWideIsInactive = true;
return(ServiceState.Inactive);
}
}
return(ServerComponentStates.GetEffectiveState(reconciledStates, defaultState));
}
public static ServiceState ReadEffectiveComponentState(string targetServerFqdn, MultiValuedProperty <string> adComponentStates, string component, ServiceState defaultState)
{
return(ServerComponentStates.ReadEffectiveComponentState(targetServerFqdn, adComponentStates, ServerComponentStateSources.All, component, defaultState));
}
public static ServiceState ReadEffectiveComponentState(ServerComponentEnum serverComponent, ServiceState defaultState)
{
return(ServerComponentStates.ReadEffectiveComponentState(null, null, ServerComponentStateSources.Registry, ServerComponentStates.GetComponentId(serverComponent), defaultState));
}
internal static bool IsRemoteComponentOnlineAccordingToAD(ADComputer server, ServerComponentEnum serverComponent)
{
return(ServerComponentStates.IsRemoteComponentOnlineAccordingToADInternal(server.ComponentStates, serverComponent));
}
private static bool IsRemoteComponentOnlineInternal(string fqdn, MultiValuedProperty <string> componentStates, ServerComponentEnum serverComponent)
{
ServiceState serviceState = ServerComponentStates.ReadEffectiveComponentState(fqdn, componentStates, ServerComponentStates.GetComponentId(serverComponent), ServiceState.Active);
return(serviceState == ServiceState.Active);
}
internal static bool IsServerOnline(MultiValuedProperty <string> componentStates)
{
return(ServerComponentStates.IsRemoteComponentOnlineAccordingToADInternal(componentStates, ServerComponentEnum.ServerWideOffline));
}
internal static bool IsRemoteComponentOnline(ADComputer server, ServerComponentEnum serverComponent)
{
return(ServerComponentStates.IsRemoteComponentOnlineInternal(server.DnsHostName, server.ComponentStates, serverComponent));
}
internal static bool IsRemoteComponentOnline(Server server, ServerComponentEnum serverComponent)
{
return(ServerComponentStates.IsRemoteComponentOnlineInternal(server.Fqdn, server.ComponentStates, serverComponent));
}
private static void LogTransition(string component, string requester, ServiceState state)
{
if (state != ServiceState.Active)
{
Globals.LogEvent(DirectoryEventLogConstants.Tuple_ServerComponentStateSetOffline, Environment.MachineName, new object[]
{
component,
requester,
state.ToString()
});
return;
}
bool flag = false;
List <ServerComponentStates.ItemEntry> list = null;
List <ServerComponentStates.ItemEntry> localStates = ServerComponentStates.GetLocalStates(null, ServerComponentStates.ServerWideOfflineComponentId);
foreach (ServerComponentStates.ItemEntry itemEntry in localStates)
{
if (itemEntry.State != ServiceState.Active && !string.Equals(itemEntry.Requester, requester, StringComparison.OrdinalIgnoreCase))
{
flag = true;
break;
}
}
if (!flag && !string.Equals(component, ServerComponentStates.ServerWideOfflineComponentId, StringComparison.OrdinalIgnoreCase))
{
list = ServerComponentStates.GetLocalStates(null, component);
foreach (ServerComponentStates.ItemEntry itemEntry2 in list)
{
if (itemEntry2.State != ServiceState.Active && !string.Equals(itemEntry2.Requester, requester, StringComparison.OrdinalIgnoreCase))
{
flag = true;
break;
}
}
}
if (!flag)
{
DateTime dateTime = DateTime.UtcNow;
foreach (ServerComponentStates.ItemEntry itemEntry3 in localStates)
{
if (itemEntry3.State != ServiceState.Active && itemEntry3.Timestamp < dateTime)
{
dateTime = itemEntry3.Timestamp;
}
}
if (list != null)
{
foreach (ServerComponentStates.ItemEntry itemEntry4 in list)
{
if (itemEntry4.State != ServiceState.Active && itemEntry4.Timestamp < dateTime)
{
dateTime = itemEntry4.Timestamp;
}
}
}
Globals.LogEvent(DirectoryEventLogConstants.Tuple_ServerComponentStateSetOnline, Environment.MachineName, new object[]
{
component,
requester,
dateTime
});
}
}
internal static bool IsServerOnline(ADComputer server)
{
return(ServerComponentStates.IsRemoteComponentOnlineAccordingToADInternal(server.ComponentStates, ServerComponentEnum.ServerWideOffline));
}
